CN107271750A - Current detecting part, intelligent terminal and electric current detecting method - Google Patents
Current detecting part, intelligent terminal and electric current detecting method Download PDFInfo
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- CN107271750A CN107271750A CN201710472401.0A CN201710472401A CN107271750A CN 107271750 A CN107271750 A CN 107271750A CN 201710472401 A CN201710472401 A CN 201710472401A CN 107271750 A CN107271750 A CN 107271750A
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- intelligent terminal
- current detecting
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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
- G01R19/0092—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
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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
- G01R19/145—Indicating the presence of current or voltage
- G01R19/15—Indicating the presence of current
Abstract
The invention provides a kind of current detecting part, intelligent terminal and electric current detecting method, it is related on current detection technology field, the mainboard of the intelligent terminal and current detecting part is installed；Current detecting part includes：The current detection circuit and analog to digital conversion circuit being sequentially connected；Current detection circuit is attached with the first connecting line for gathering signal, and analog to digital conversion circuit is attached with the second connecting line for transmitting testing result；Wherein, one end that the first connecting line is connected with current detection circuit is USB interface, and the other end of the first connecting line is the positive negative testing probe of two separation；Current detection circuit is connected by the USB slot of intelligent terminal with USB interface；One end that second connecting line is connected with analog to digital conversion circuit is fixing end, and the other end of the second connecting line is connected with the processor on mainboard；Processor is used to digital current values including the display screen in intelligent terminal.The present invention alleviates the technical problem that conventional current telogenesis is originally higher and build is larger.
Description
Technical field
The present invention relates to current detection technology field, more particularly, to a kind of current detecting part, intelligent terminal and electric current
Detection method.
Background technology
Common current detecting equipment is ammeter, and traditional ammeter generally carries display function, namely carries display
Screen, shows current measurement value on the display screen.Due to carrying display screen, existing ammeter build is generally larger, and
And cost is higher.User generally requires to buy the ammeter of high cost, and when in use, in addition it is also necessary to specially carry the electric current
Table, the larger ammeter of build often brings carrying and inconvenient problem with use to user.
The content of the invention
In view of this, it is an object of the invention to provide a kind of current detecting part, intelligent terminal and electric current detecting method,
To alleviate the technical problem that conventional current telogenesis is originally higher and build is larger.
To achieve these goals, the technical scheme that the embodiment of the present invention is used is as follows：
In a first aspect, the embodiments of the invention provide a kind of current detecting part, including：The current detecting electricity being sequentially connected
Road and analog to digital conversion circuit；Wherein, current detection circuit is attached with the first connecting line for gathering signal, analog to digital conversion circuit
The second connecting line for transmitting testing result is attached with, and the second connecting line is additionally operable to be connected with display unit；
Current detection circuit is used for the analog current value that Devices to test is detected by the first connecting line, and by analog current value
Send to analog to digital conversion circuit；
Analog to digital conversion circuit is used to analog current value being converted to digital current values, and digital current values are connected by second
Wiring is exported to display unit and shown.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the first of first aspect, wherein, electricity
Flowing detection part is used for the mainboard installed in intelligent terminal, and one end that the second connecting line is connected with analog to digital conversion circuit is fixation
End, the other end of the second connecting line is the free end for being connected with the processor on mainboard；
One end that first connecting line is connected with current detection circuit is USB interface, and the other end of the first connecting line is two
The positive negative testing probe of separation；Wherein, current detection circuit is used to USB interface connect by the USB slot of intelligent terminal.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of second of first aspect, wherein,
One end that two connecting lines are connected with analog to digital conversion circuit is fixing end, and the other end of the second connecting line is USB interface, for passing through
The USB slot of intelligent terminal is connected with the processor of intelligent terminal；
One end that first connecting line is connected with current detection circuit is fixing end, and the other end of the first connecting line is two pieces points
From positive negative testing probe.
With reference to the first or second of possible embodiment of first aspect, the embodiments of the invention provide first aspect
The third possible embodiment, wherein, the type of USB interface is Type C interface.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the 4th of first aspect kind, wherein, electricity
Current detection circuit and analog to digital conversion circuit are integrated into current measurement chip.
Second aspect, the embodiment of the present invention, which is also provided, is provided with electric current inspection on a kind of intelligent terminal, the mainboard of intelligent terminal
Survey part；Wherein, current detecting part includes：The current detection circuit and analog to digital conversion circuit being sequentially connected；
Current detection circuit is attached with the first connecting line for gathering signal, and analog to digital conversion circuit is attached with for transmitting
Second connecting line of testing result；Wherein, one end that the first connecting line is connected with current detection circuit is USB interface, and first connects
The other end of wiring is the positive negative testing probe of two separation；Current detection circuit is connect by the USB slot of intelligent terminal with USB
Mouth connects；One end that second connecting line is connected with analog to digital conversion circuit is on fixing end, the other end and mainboard of the second connecting line
Processor be connected；
Current detection circuit is used for the analog current value that Devices to test is detected by the first connecting line, and by analog current value
Send to analog to digital conversion circuit；
Analog to digital conversion circuit is used to analog current value being converted to digital current values, and digital current values are connected by second
Wiring is sent to processor；
Processor is used to digital current values including the display screen in intelligent terminal.
With reference to second aspect, the embodiments of the invention provide the possible embodiment of the first of second aspect, wherein, electricity
Current detection circuit and analog to digital conversion circuit are integrated into current measurement chip, and current measurement chip is embedded in the neck of mainboard.
With reference to second aspect, the embodiments of the invention provide the possible embodiment of second of second aspect, wherein, intelligence
Groove can be additionally provided with the shell of terminal, for housing the first connecting line.
With reference to second aspect, the embodiments of the invention provide the possible embodiment of the third of second aspect, wherein,
The type of USB slot is Type C slots, and the type of USB interface is Type C interface.
The third aspect, the embodiments of the invention provide a kind of electric current detecting method, it is any that this method is applied to second aspect
The intelligent terminal that possible embodiment is provided is planted, method includes：
When the current detecting for receiving user is instructed, digital current values are obtained from current detecting part；
Digital current values are included on the display screen of intelligent terminal.
The embodiments of the invention provide a kind of current detecting part, intelligent terminal and electric current detecting method, the current detecting
Part can gather signal using the first connecting line, and digital current values are obtained using current detection circuit and analog to digital conversion circuit,
And digital current values can be exported to display unit by the second connecting line and shown.The current detecting part only possesses circuit knot
Structure and lead, possess display without itself, can be electric to the numeral measured by other display units by the second connecting line
Flow valuve is shown, thus has preferably saved cost, while effectively reducing volume.
Above-mentioned intelligent terminal and electric current detecting method, can install current detecting part, intelligence on the mainboard of intelligent terminal
Energy terminal can show the digital current values that current detecting part is measured on a display screen, so that user is conveniently known
Current detecting result.Because current detecting part is arranged in intelligent terminal, user can be convenient for carrying the intelligent terminal, and
Current detecting is carried out using the intelligent terminal when needed, without the ammeter of high cost and large volume, electric current is effectively reduced
Testing cost, while making current detecting more convenient and easy.
Other features and advantages of the present invention will be illustrated in the following description, also, partly be become from specification
Obtain it is clear that or being understood by implementing the present invention.The purpose of the present invention and other advantages are in specification, claims
And specifically noted structure is realized and obtained in accompanying drawing.
To enable the above objects, features and advantages of the present invention to become apparent, preferred embodiment cited below particularly, and coordinate
Appended accompanying drawing, is described in detail below.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 shows a kind of structural representation for current detecting part that the embodiment of the present invention is provided；
Fig. 2 shows a kind of structural representation for intelligent terminal that the embodiment of the present invention is provided；
Fig. 3 shows a kind of flow chart for electric current detecting method that the embodiment of the present invention is provided；
Fig. 4 shows the flow chart for another electric current detecting method that the embodiment of the present invention is provided.
Icon：
10- current detection circuits；The connecting lines of 11- first；11A-USB interfaces；11B-USB slots；11a- just tests probe；
11b- negative testing probes；20- analog to digital conversion circuits；The connecting lines of 21- second；30- processors；40- display screens；100- intelligence is eventually
End；200- Devices to tests.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with accompanying drawing to the present invention
Technical scheme be clearly and completely described, it is clear that described embodiment is a part of embodiment of the invention, rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of protection of the invention.
Traditional ammeter generally carries display function, and display screen would generally improve cost, and cause the build of ammeter
It is larger, not readily portable application.Based on this, a kind of current detecting part provided in an embodiment of the present invention, intelligent terminal and electric current
Detection method, the problem of can preferably alleviating the ammeter that current detecting cost is higher and not readily portable build is larger.This
The intelligent terminal that embodiment is provided, can be smart mobile phone, desktop computer, tablet personal computer, PDA (Personal Digital
Assistant, personal digital assistant) etc. any terminal device, in the embodiment of the present invention, the intelligent terminal can also referred to as eventually
End or terminal device, describe in detail to the embodiment of the present invention below.
The embodiment of the present invention is described in detail below.
Embodiment one：
A kind of structural representation of current detecting part shown in Figure 1, including：The current detection circuit being sequentially connected
10 and analog to digital conversion circuit 20；Wherein, current detection circuit 10 is attached with the first connecting line 11 for gathering signal, and modulus turns
Change circuit 20 and be attached with the second connecting line 21 for transmitting testing result, and the second connecting line 21 is additionally operable to and display unit connects
Connect；
Current detection circuit 10 is used for the analog current value that Devices to test is detected by the first connecting line, and by analog current
Value is sent to analog to digital conversion circuit；
Analog to digital conversion circuit 20 is used to analog current value being converted to digital current values, and digital current values are passed through into second
Connecting line is exported to display unit and shown.Specifically, the display unit can be the subsidiary display function such as mobile phone, tablet personal computer
Intelligent terminal.
It should be noted that the first connecting line and the second connecting line in Fig. 1 are only simple signals, specifically, first connects
Wiring can include the wire harness of many p-wires, and such as including positive p-wire or negative testing line, the free end of positive p-wire is set
Positive test probe is equipped with, the free end of negative testing line is provided with negative testing probe, positive negative testing probe separates, but positive and negative p-wire
Wire harness can be tied to and collectively form the first connecting line.
Above-mentioned current detecting part provided in an embodiment of the present invention can gather signal using the first connecting line, utilize electric current
Detection circuit and analog to digital conversion circuit obtain digital current values, it is possible to export digital current values to aobvious by the second connecting line
Show that part is shown.The current detecting part only possesses circuit structure and lead, without itself configuration display, passes through the second connection
Line can be shown by other display units to the digital current values measured, thus preferably save cost, be had simultaneously
Effect reduces volume.
In the present embodiment, a kind of implementation of current measurement chip is given, current detection circuit can be used
MAX471 chips, analog to digital conversion circuit can use AD7916 chips, and the MAX471 chips and AD7916 chips can be integrated into
Current measurement chip for detecting electric current.
Wherein, above-mentioned MAX471 chips are a kind of accurate superior MCU amplifiers, using the device can realize with
Ground is the conversion of the current/voltage referred to.MAX471 includes the inside detection resistance of precision, and accuracy of detection height is (in operating temperature
In the range of, 2%) its precision is；Indicated with two-way detection, charging and discharging state can be monitored；Internal detection resistance and detection
Ability is 3A, can also expand detection current range and low-cost advantage when used in parallel.AD7916 is analog device
A kind of 10 high speed serialization A/D converters of low-power consumption of company (Analog Devices) production.The product have 8 pin DIP and
Two kinds of packing forms of SOIC, and with internal clocking.Its peripheral wiring is extremely simple；AD7916 conversion time is 1.6 μ s,
Using the output of standard SPI synchronous serial interfaces and single power supply (2.4V~5.1V) power supply.Under automatic low-power consumption mode, the device
Total power consumption of the part when changing throughput into 500kSPS is only 3.7mW, therefore feature is suitable for portable apparatus and various batteries
The application scenario of power supply is used.
Current detection circuit and analog to digital conversion circuit provided in an embodiment of the present invention can also be directly integrated in one piece of circuit
On plate, the current measurement chip of integration is directly constituted, the chip that can also be respectively adopted in correlation technique is realized, and by two
Integrated chip is arranged on circuit board, and then is integrated into current measurement chip.First connecting line and the second connecting line can be with
The output pin of the current measurement chip is connected.
Embodiment two：
Present embodiments provide a kind of current detecting part that can be installed on the mainboard of intelligent terminal, the current detecting
Part can be current measurement chip, to be directly mounted in the neck on the mainboard of intelligent terminal；Certainly, the current detecting
Device directly can also be laid on mainboard by part.
The current detecting part that the present embodiment is provided is used for the mainboard installed in intelligent terminal, wherein, the second connecting line
The one end being connected with analog to digital conversion circuit is fixing end, and the other end of the second connecting line is for being connected with the processor on mainboard
Free end；The free end when in use, can be connected by user with processor；Certainly, if by current measurement chip
Install in the neck on mainboard, user by current measurement chip when being embedded in neck, the free end meeting of the second connecting line
Directly connect with processor, install very convenient.
One end that first connecting line is connected with current detection circuit is USB interface, and the other end of the first connecting line is two
The positive negative testing probe of separation；Wherein, current detection circuit is used to USB interface connect by the USB slot of intelligent terminal.The
One connecting line can be understood as wire harness, and one end is integrated to be bundled into wire harness, directly connects with USB interface, the positive negative testing of the other end
Probe separates；
The type of USB interface is more, all if any USB1.0 interfaces, USB2.0 interfaces, USB-TypeC interfaces etc.；It is preferred that,
The type for the USB interface that the present embodiment is used is Type C interface, and the characteristics of Type C interface is maximum is can to support Dual-face inserting
Enter, to be greatly user-friendly.Further, since Type-C interfaces are increasingly popularized, so the electric current that the present embodiment is provided
Detection part can extensive use, be connected with the more display device for possessing Type-C interfaces.
Of course, it is possible to use other types of USB interface according to the actual requirements and flexibly, it will not be repeated here.
The above-mentioned current detecting part that the present embodiment is provided, can be directly mounted on the mainboard of intelligent terminal, user
Without specially carrying ammeter, by the electric current for being installed on the i.e. measurable Devices to test of the current detecting part inside intelligent terminal
Value, and by the display screen reading of intelligent terminal, it is simple and convenient.
Embodiment three：
A kind of current detecting part that may be disposed at the display device exteriors such as intelligent terminal is present embodiments provided,
In the current detecting part, one end that the second connecting line is connected with analog to digital conversion circuit be fixing end, the second connecting line it is another
Hold as USB interface, for being connected by the USB slot of intelligent terminal with the processor of intelligent terminal；Specifically, USB interface is (again
Can be described as the male mouths of USB) when connecting with USB slot (can be described as USB female mouth) again, the second connecting line can then survey current detecting part
The digital current values obtained are sent to the processor of intelligent terminal by USB interface, so that digital current values are shown in by processor
On the display screen of intelligent terminal.Wherein, the processor inside intelligent terminal is electrically connected with USB slot.
One end that first connecting line is connected with current detection circuit is fixing end, and the other end of the first connecting line is two pieces points
From positive negative testing probe.First connecting line is wire harness.
Because above-mentioned current detecting part is external part, it is preferred that the current detecting part includes housing, analog-to-digital conversion
Circuit and current detection circuit are placed in the housing, and the first connecting line and the second connecting line are drawn from the housing.
It is preferred that, the type of USB interface is supports the Type C interface of two-sided insertion, to be user-friendly.
The above-mentioned current detecting part that the present embodiment is provided, cost is relatively low, and structure is simplified and is easy to carry；Needing to use
When, the intelligent terminals such as the USB interface of the second connecting line of current detecting part and mobile phone are connected, it is convenient and swift.
Example IV：
Current detecting is installed on a kind of structural representation of intelligent terminal shown in Figure 2, the mainboard of intelligent terminal
Part；Wherein, current detecting part includes：The current detection circuit 10 and analog to digital conversion circuit 20 being sequentially connected；
Current detection circuit 10 is attached with the first connecting line for gathering signal, and analog to digital conversion circuit is attached with for passing
Second connecting line 21 of defeated testing result；Wherein, one end that the first connecting line 11 is connected with current detection circuit is USB interface
11A, the other end of the first connecting line is the positive negative testing probe of two separation；Respectively positive test probe 11a and negative testing are visited
Pin 11b；Current detection circuit 10 is connected by the USB slot 11B of intelligent terminal with usb 1 1A；Second connecting line 21 and mould
One end of number change-over circuit connection is fixing end, and the other end of the second connecting line is connected with the processor 30 on mainboard；
Current detection circuit 10 is used for the analog current value that Devices to test 200 is detected by the first connecting line, and will simulation
Current value is sent to analog to digital conversion circuit；
Analog to digital conversion circuit 20 is used to analog current value being converted to digital current values, and digital current values are passed through into second
Connecting line is sent to processor；
Processor 30 is used to digital current values including the display screen 40 in intelligent terminal.Wherein, processor 30 is with showing
Display screen 40 is electrically connected.
The above-mentioned intelligent terminal that the present embodiment is provided, can install current detecting part, intelligence on the mainboard of intelligent terminal
Energy terminal can show the digital current values that current detecting part is measured on a display screen, so that user is conveniently known
Current detecting result.Because current detecting part is arranged in intelligent terminal, user can be convenient for carrying the intelligent terminal, and
Current detecting is carried out using the intelligent terminal when needed, without the ammeter of high cost and large volume, electric current is effectively reduced
Testing cost, while making current detecting more convenient and easy.
Because current detecting part will be installed in the mainboard of intelligent terminal, it is preferred that current detection circuit and modulus turn
Change circuit and be integrated into current measurement chip, current measurement chip is embedded in the neck of mainboard.
The electric signal for treating side apparatus is gathered by the first connecting line in view of intelligent terminal, the first connecting line is placed in intelligence
The outside of terminal, it is preferred that be additionally provided with groove on the shell of intelligent terminal, for housing the first connecting line.
First connecting line directly can be positioned in the groove by user, and first connecting line is taken out when needing test
, it is convenient and swift.
In order to allow user to be more convenient to use the electric signal that the first connecting line gathers Devices to test, it is preferred that USB
The type of slot is Type C slots, and the type of USB interface is Type C interface.From the interface of USB Type C types, nothing
Positive and negative need to be distinguished, two-sided insertion is supported, more facilitates when using, also conforms to the development trend of current USB interface.
The above-mentioned intelligent terminal that the present embodiment is provided, built-in current detection part (can specifically use current measurement chip cloth
On mainboard in terminal), and current detecting, the one of first connecting line can be carried out by the first connecting line device under test
Hold as positive and negative probe, the other end is connected by USB interface with intelligent terminal, the electric signal that positive negative testing probe is detected is transmitted
Current detection circuit in intelligent terminal.User is without specially buying or carrying ammeter, you can carried by the present embodiment
The intelligent terminal detected current value of confession, it is very portable.
Embodiment five：
The intelligent terminal provided for previous embodiment, a kind of flow chart of electric current detecting method shown in Figure 3 should
Method includes：
Step S302, when the current detecting for receiving user is instructed, digital current values are obtained from current detecting part；Tool
Body, current detecting can be received by the application program on intelligent terminal and instructed.
Step S304, digital current values are included on the display screen of intelligent terminal.
The above-mentioned electric current detecting method that the present embodiment is provided, intelligent terminal can obtain numeral electricity by current detecting part
Flow valuve, and the digital current values are shown on a display screen, user can be convenient for carrying the intelligent terminal, and utilize when needed
The intelligent terminal carries out current detecting, without the ammeter of high cost and large volume, effectively reduces current detecting cost, simultaneously
Make current detecting more convenient and easy.
The flow chart of another electric current detecting method shown in Figure 4, this method comprises the following steps：
Step S402, receives current detecting by the preset application program of intelligent terminal and instructs；
Step S404, judges whether to receive the Devices to test that is detected from current detecting part in preset time
Digital current values；If it is, performing step S406；If not, performing step S408；
Step S406, digital current values are included on the display screen of intelligent terminal；
Step S408, sends faulty operation prompting.Wherein, the prompting can be sent by the form of buzzing, can also be straight
Connect and shown on a display screen with written form, expression is not detected by current value, it may be possible to which user grasps when testing electric current
Slip up, such as the first connecting line does not connect accurately with Devices to test.Pointed out by faulty operation, user can be reminded to note
Meaning, and positive negative testing probe is connected with Devices to test, accurately to measure the current value of Devices to test.
The technique effect of the method that the present embodiment is provided, its realization principle and generation is identical with previous embodiment, is letter
Describe, embodiment of the method part does not refer to part, refers to corresponding contents in aforementioned means embodiment.
The computer journey of a kind of current detecting part, intelligent terminal and electric current detecting method that the embodiment of the present invention is provided
Sequence product, including the computer-readable recording medium of program code is stored, the instruction that described program code includes can be used for holding
Method described in row previous methods embodiment, implements and can be found in embodiment of the method, will not be repeated here.
In addition, in the description of the embodiment of the present invention, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
If the function is realized using in the form of SFU software functional unit and is used as independent production marketing or in use, can be with
It is stored in a computer read/write memory medium.Understood based on such, technical scheme is substantially in other words
The part contributed to prior art or the part of the technical scheme can be embodied in the form of software product, the meter
Calculation machine software product is stored in a storage medium, including some instructions are to cause a computer equipment (can be individual
People's computer, server, or network equipment etc.) perform all or part of step of each of the invention embodiment methods described.
And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with the medium of store program codes.
Finally it should be noted that：Embodiment described above, is only the embodiment of the present invention, to illustrate the present invention
Technical scheme, rather than its limitations, protection scope of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, it will be understood by those within the art that：Any one skilled in the art
The invention discloses technical scope in, it can still modify to the technical scheme described in previous embodiment or can be light
Change is readily conceivable that, or equivalent substitution is carried out to which part technical characteristic；And these modifications, change or replacement, do not make
The essence of appropriate technical solution departs from the spirit and scope of technical scheme of the embodiment of the present invention, should all cover the protection in the present invention
Within the scope of.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of current detecting part, it is characterised in that including：The current detection circuit and analog to digital conversion circuit being sequentially connected；
Wherein, the current detection circuit is attached with the first connecting line for gathering signal, and analog-digital conversion circuit as described is attached with use
In the second connecting line of transmission testing result, and second connecting line is additionally operable to be connected with display unit；
The current detection circuit is used for the analog current value by first connecting line detection Devices to test, and by the mould
Intend current value to send to analog-digital conversion circuit as described；
Analog-digital conversion circuit as described is used to the analog current value being converted to digital current values, and the digital current values are led to
Cross second connecting line and export to the display unit and show.
2. current detecting part according to claim 1, it is characterised in that the current detecting part is used to be arranged on intelligence
On the mainboard of energy terminal, one end that second connecting line is connected with analog-digital conversion circuit as described is fixing end, and described second connects
The other end of wiring is the free end for being connected with the processor on the mainboard；
One end that first connecting line is connected with the current detection circuit be USB interface, first connecting line it is another
Hold the positive negative testing probe for two separation；Wherein, the current detection circuit is used for the USB slot by the intelligent terminal
Connect with the USB interface.
3. current detecting part according to claim 1, it is characterised in that second connecting line and the analog-to-digital conversion
One end of circuit connection is fixing end, and the other end of second connecting line is USB interface, for the USB by intelligent terminal
Slot is connected with the processor of the intelligent terminal；
One end that first connecting line is connected with the current detection circuit is fixing end, the other end of first connecting line
For the positive negative testing probe of two separation.
4. the current detecting part according to Claims 2 or 3, it is characterised in that the type of the USB interface is Type C
Interface.
5. current detecting part according to claim 1, it is characterised in that the current detection circuit and the modulus turn
Change circuit and be integrated into current measurement chip.
6. a kind of intelligent terminal, it is characterised in that be provided with current detecting part on the mainboard of the intelligent terminal；Wherein, institute
Stating current detecting part includes：The current detection circuit and analog to digital conversion circuit being sequentially connected；
The current detection circuit is attached with the first connecting line for gathering signal, and analog-digital conversion circuit as described, which is attached with, to be used for
Transmit the second connecting line of testing result；Wherein, one end that first connecting line is connected with the current detection circuit is USB
Interface, the other end of first connecting line is the positive negative testing probe of two separation；The current detection circuit passes through described
The USB slot of intelligent terminal connects with the USB interface；One end that second connecting line is connected with analog-digital conversion circuit as described
For fixing end, the other end of second connecting line is connected with the processor on the mainboard；
The current detection circuit is used for the analog current value by first connecting line detection Devices to test, and by the mould
Intend current value to send to analog-digital conversion circuit as described；
Analog-digital conversion circuit as described is used to the analog current value being converted to digital current values, and the digital current values are led to
Second connecting line is crossed to send to the processor；
The processor is used to the digital current values including the display screen in the intelligent terminal.
7. intelligent terminal according to claim 6, it is characterised in that the current detection circuit and analog-to-digital conversion electricity
Road is integrated into current measurement chip, and the current measurement chip is embedded in the neck of the mainboard.
8. intelligent terminal according to claim 6, it is characterised in that be additionally provided with the shell of the intelligent terminal recessed
Groove, for housing first connecting line.
9. intelligent terminal according to claim 6, it is characterised in that the type of the USB slot is Type C slots, institute
The type for stating USB interface is Type C interface.
10. a kind of electric current detecting method, it is characterised in that methods described is applied to any one of claim 6 to 9 intelligence eventually
End, methods described includes：
When the current detecting for receiving user is instructed, the digital current values are obtained from the current detecting part；
The digital current values are included on the display screen of the intelligent terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710472401.0A CN107271750A (en) | 2017-06-20 | 2017-06-20 | Current detecting part, intelligent terminal and electric current detecting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710472401.0A CN107271750A (en) | 2017-06-20 | 2017-06-20 | Current detecting part, intelligent terminal and electric current detecting method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107271750A true CN107271750A (en) | 2017-10-20 |
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| CN201710472401.0A Pending CN107271750A (en) | 2017-06-20 | 2017-06-20 | Current detecting part, intelligent terminal and electric current detecting method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI776715B (en) * | 2020-12-21 | 2022-09-01 | 張成君 | Cable assembly capable of detecting bidirectional charging-current |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204694759U (en) * | 2015-06-03 | 2015-10-07 | 深圳市振邦智能科技有限公司 | A kind of voltage signal acquisition device based on mobile phone microphone interface |
| CN204694758U (en) * | 2015-06-03 | 2015-10-07 | 深圳市振邦智能科技有限公司 | A kind of portable electric signal acquiring system |
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2017
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204694759U (en) * | 2015-06-03 | 2015-10-07 | 深圳市振邦智能科技有限公司 | A kind of voltage signal acquisition device based on mobile phone microphone interface |
| CN204694758U (en) * | 2015-06-03 | 2015-10-07 | 深圳市振邦智能科技有限公司 | A kind of portable electric signal acquiring system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI776715B (en) * | 2020-12-21 | 2022-09-01 | 張成君 | Cable assembly capable of detecting bidirectional charging-current |
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