CN110308321A - Dynamic current detection method and device - Google Patents
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- CN110308321A CN110308321A CN201910606452.7A CN201910606452A CN110308321A CN 110308321 A CN110308321 A CN 110308321A CN 201910606452 A CN201910606452 A CN 201910606452A CN 110308321 A CN110308321 A CN 110308321A
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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
- G01R19/2506—Arrangements for conditioning or analysing measured signals, e.g. for indicating peak values ; Details concerning sampling, digitizing or waveform capturing
- G01R19/2509—Details concerning sampling, digitizing or waveform capturing
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Abstract
The invention discloses a method and a device for detecting dynamic current. Wherein, the method comprises the following steps: acquiring a trigger signal of key operation; obtaining a level signal corresponding to key operation based on the trigger signal; acquiring partial level signals meeting a preset condition in the level signals, wherein the preset condition is that the sampling time of the level signals belongs to a preset time period in the sampling period of the level signals; using part of the level signal as a dynamic current test point; and detecting the dynamic current of the key based on the current value of the dynamic current test point. The invention solves the technical problem of lower detection reliability of the remote controller in the related technology.
Description
Technical field
The present invention relates to dynamic current detection technique fields, a kind of detection method in particular to dynamic current and
Device.
Background technique
Remote control electronic product more and more comes into daily life, brings very big convenience for people's lives
Property.It due to the large batch of production of the remote controler of various types of key classes and uses, the automatic detection system of remote controler becomes
Current urgent need detection device.And during being detected to remote controler, the electric current of remote controler, especially dynamic current are non-
It often is not easy to capture, is easy to cause the detection reliability to remote controler lower.
For the lower problem of the above-mentioned detection reliability to remote controler in the related technology, effective solution is not yet proposed at present
Certainly scheme.
Summary of the invention
The embodiment of the invention provides a kind of detection method and device of dynamic current, right in the related technology at least to solve
The lower technical problem of the detection reliability of remote controler.
According to an aspect of an embodiment of the present invention, provide a kind of detection method of dynamic current, comprising: get by
The trigger signal of key operation；The corresponding level signal of the button operation is obtained based on the trigger signal；Obtain the level
Meet the partial-level signals of predetermined condition in signal, wherein the predetermined condition belongs to institute for the sampling time of level signal
State the predetermined period in the sampling period of level signal；Using the partial-level signals as Dynamic Current Testing point；Based on institute
The current value for stating Dynamic Current Testing point detects the dynamic current of the key.
Optionally, the level signal for obtaining the corresponding key of the button operation based on the trigger signal includes: to institute
The trigger signal for stating button operation triggering executes decoding operate；Read the initial code parsed in the decoding operation procedures；
The level signal of the corresponding key of the button operation is obtained using the timing node where the initial code as starting point.
Optionally, after the trigger signal triggered to the button operation executes decoding operate, the inspection of the dynamic current
Survey method further include: obtain the corresponding Wave data of the decoding operate；The Wave data is sent to predetermined display apparatus,
To show the corresponding waveform of the Wave data in the predetermined display apparatus, wherein the waveform and the level signal
It is corresponding.
Optionally, the level signal is that high level replaces existing signal with low level.
Optionally, the partial-level signals are the corresponding signal of high level, wherein the high level duration is
9ms。
Another aspect according to an embodiment of the present invention, additionally provides a kind of detection device of dynamic current, comprising: the
One acquiring unit, for getting the trigger signal of button operation；Second acquisition unit, for being obtained based on the trigger signal
The corresponding level signal of the button operation；Third acquiring unit meets predetermined condition for obtaining in the level signal
Partial-level signals, wherein the predetermined condition is to belong to the sampling period of the level signal sampling time of level signal
Interior predetermined period；Determination unit, for using the partial-level signals as Dynamic Current Testing point；Detection unit is used for
Current value based on the Dynamic Current Testing point detects the dynamic current of the key.
Optionally, the second acquisition unit includes: decoder module, the trigger signal for triggering to the button operation
Execute decoding operate；Reading unit, for reading the initial code parsed in the decoding operation procedures；Module is obtained, is used
In the level signal for obtaining the corresponding key of the button operation using the timing node where the initial code as starting point.
Optionally, the detection device of the dynamic current further include: the 4th acquiring unit, for being touched to the button operation
After the trigger signal of hair executes decoding operate, the corresponding Wave data of the decoding operate is obtained；Display unit is used for institute
It states Wave data and is sent to predetermined display apparatus, to show the corresponding wave of the Wave data in the predetermined display apparatus
Shape, wherein the waveform is corresponding with the level signal.
Optionally, the level signal is that high level replaces existing signal with low level.
Optionally, the partial-level signals are the corresponding signal of high level, wherein the high level duration is
9ms。
Another aspect according to an embodiment of the present invention, additionally provides a kind of remote controler, and the remote controler uses above-mentioned
Any one of described in dynamic current detection method.
Another aspect according to an embodiment of the present invention, additionally provides a kind of storage medium, the storage medium includes
The program of storage, wherein described program execute it is any one of above-mentioned described in dynamic current detection method.
Another aspect according to an embodiment of the present invention, additionally provides a kind of processor, the processor is for running
Program, wherein described program run when execute it is any one of above-mentioned described in dynamic current detection method.
In embodiments of the present invention, using the trigger signal for getting button operation；Key behaviour is obtained based on trigger signal
Make corresponding level signal；Obtain the partial-level signals for meeting predetermined condition in level signal, wherein predetermined condition is level
The sampling time of signal belongs to the predetermined period in the sampling period of level signal；It is surveyed partial-level signals as dynamic current
Pilot；The mode that current value based on Dynamic Current Testing point detects the dynamic current of key realizes the inspection of dynamic current
It surveys, the detection method of the dynamic current provided through the embodiment of the present invention may be implemented to detect dynamic current quickly and in time
Purpose, improve the detection efficiency of the equipment of pending dynamic current detection, and then solve in the related technology to remote controler
The lower technical problem of detection reliability.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart of the detection method of dynamic current according to an embodiment of the present invention；
Fig. 2 is the schematic diagram of dynamic current detection platform according to an embodiment of the present invention；
Fig. 3 is the flow chart of the detection method of optional dynamic current according to an embodiment of the present invention；
Fig. 4 is the schematic diagram of the detection device of dynamic current according to an embodiment of the present invention.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein can in addition to illustrating herein or
Sequence other than those of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that cover
Cover it is non-exclusive include, for example, the process, method, system, product or equipment for containing a series of steps or units are not necessarily limited to
Step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, product
Or other step or units that equipment is intrinsic.
Embodiment 1
According to embodiments of the present invention, a kind of embodiment of the method for the detection method of dynamic current is provided, needs to illustrate
It is that step shown in the flowchart of the accompanying drawings can execute in a computer system such as a set of computer executable instructions,
Also, although logical order is shown in flow charts, and it in some cases, can be to be different from sequence execution herein
Shown or described step.
Fig. 1 is the flow chart of the detection method of dynamic current according to an embodiment of the present invention, as shown in Figure 1, the dynamic electric
The detection method of stream includes the following steps:
Step S102 gets the trigger signal of button operation.
Step S104 obtains the corresponding level signal of button operation based on trigger signal.
Step S106 obtains the partial-level signals for meeting predetermined condition in level signal, wherein predetermined condition is level
The sampling time of signal belongs to the predetermined period in the sampling period of level signal.
Step S108, using partial-level signals as Dynamic Current Testing point.
Step S110, the current value based on Dynamic Current Testing point detect the dynamic current of key.
Through the above steps, the available trigger signal to button operation；Button operation pair is obtained based on trigger signal
The level signal answered；Obtain the partial-level signals for meeting predetermined condition in level signal, wherein predetermined condition is level signal
Sampling time belong to the predetermined period in the sampling period of level signal；Using partial-level signals as Dynamic Current Testing
Point；Current value based on Dynamic Current Testing point detects the dynamic current of key.Relative to dynamic electric in the related technology
Stream is not easy the drawback captured, testing result is unstable, and the detection method of the dynamic current provided through the embodiment of the present invention can be with
It realizes the purpose for detecting dynamic current quickly and in time, improves the detection effect of the equipment of pending dynamic current detection
Rate, and then solve the lower technical problem of the detection reliability to remote controler in the related technology.
It should be noted that the detection hardware packet of the detection method for executing dynamic current provided in an embodiment of the present invention
It includes: supporting the INA226 chip of IIC communication, configurable offset address, wherein it is pending that an I/O at most can control 16 roads
The equipment of dynamic current detection, has largely saved cpu resource.
Specifically, the problem of detection hardware here considers test speed and stability from hardware circuit design.Hardware
Aspect is to detect dynamic current for high-precision current detection chip INA226；Software aspects have used at the data based on system
Reason method analyzes the coding principle of the equipment of pending dynamic current detection, in the device keys of pending dynamic current detection
When pressing, the dynamic of the equipment of pending dynamic current detection is captured at the equipment initial code of pending dynamic current detection in time
Current test point, and handle in time.While ensure that the accuracy and stability of data test, testing efficiency is also improved.
Fig. 2 is the schematic diagram of dynamic current detection platform according to an embodiment of the present invention, with the detection of pending dynamic current
Equipment be illustrated for remote controler, remote controler dynamic current is the current conditions for the moment remote controler that remote controller key is pressed,
The design hardware current detection circuit uses INA226.INA226 is a bidirectional current/power monitor, has IIC
Communication function, device monitoring shunt pressure drop and bus power source voltage.It may be programmed calibration value, conversion time and be averaged function
It is combined with internal multiplier, it can be achieved that current value and performance number are directly read.As shown in Fig. 2, by remote controler and INA226
It is connected between dynamic current detection circuit, to obtain dynamic current when remote controller key is pressed, and the dynamic current that will acquire
After data are sent to single-chip microcontroller progress data processing, it is uploaded to host computer, to realize the purpose detected to dynamic current.
In step S104, the level signal that the corresponding key of button operation is obtained based on trigger signal may include: pair
The trigger signal of button operation triggering executes decoding operate；Read the initial code parsed in decoding operation procedures；With starting
Timing node where code is the level signal that starting point obtains the corresponding key of button operation.
For example, the software test of dynamic current, is the data processing method based on system, is in IR decoding processes
Initial code is read to start to measure.When carrying out dynamic current analysis, in the case where not pressing key pressing, it is low that level, which is to maintain,
Voltage status；In the case where pressing key pressing, high level and low level alternating is presented with decoding low and high level in level, and each
Decoding is the same in the high-voltage value of high level state everywhere, only the sample different in size of retention time, so, remote controler starting
Current value at code is enough to reflect the dynamic current situation of remote controler, and this section of high level time is continuously 9ms, enough monolithics
Machine handles data, ensure that the accuracy of test data.
Dynamic current is tested in the 9ms of remote controler initial code, the data tested every 1ms are stored in array and are found
Best test method.The testing current value of 4-9ms in initial code be it is very accurate very stable, so single-chip microcontroller captures electric current
Test point is the test point at the rear 4ms of initial code 9ms as electric current, reads current detection value, without more by software filtering
Secondary measurement only need to read a data, it is ensured that the accuracy and stability of Dynamic Current Testing.
In an alternative embodiment, after the trigger signal triggered to button operation executes decoding operate, this is dynamic
The detection method of state electric current can also include: to obtain the corresponding Wave data of decoding operate；Wave data is sent to predetermined aobvious
Show equipment, with the corresponding waveform of display waveform data in predetermined display apparatus, wherein waveform is corresponding with level signal.
Wherein, level signal is that high level replaces existing signal with low level.
It should be noted that partial-level signals are the corresponding signal of high level, wherein high level duration is 9ms.
Fig. 3 is the flow chart of the detection method of optional dynamic current according to an embodiment of the present invention, as shown in figure 3, really
The equipment of fixed pending dynamic current detection presses key pressing, detects dynamic current timer count in low level；Work as inspection
After measuring external interrupt, judge whether to be first failing edge, in the case where the judgment result is yes, postpones the laggard action of 4ms
The capture and test of state electric current；Whether dynamic current is detected in low level conversely, returning, and control counter counts.
The detection method of the dynamic current provided through the embodiment of the present invention, due to being by the incipient starting of key pressing
Code test dynamic current, so the test assignment highest priority of dynamic current, in conjunction with remote control decoding principle, capture in time and
When handle, improve testing efficiency.
In addition, the detection method of the dynamic current provided through the embodiment of the present invention is sufficiently fast in single-chip microcontroller processing data
In the case of, the dynamic current suitable for various coding modes detects, and the working efficiency of key class detection device and steady can be improved
It is qualitative, and it is suitable for the capture of immediate current.
Embodiment 2
Another aspect according to an embodiment of the present invention, additionally provides a kind of for executing the detection method of dynamic current
Installation practice, Fig. 4 is the schematic diagram of the detection device of dynamic current according to an embodiment of the present invention, as shown in figure 4, this is dynamic
The detection device of state electric current includes: first acquisition unit 41, second acquisition unit 43, third acquiring unit 45, determination unit 47
And detection unit 49.The detection device of the dynamic current is described in detail below.
First acquisition unit 41, for getting the trigger signal of button operation.
Second acquisition unit 43, for obtaining the corresponding level signal of button operation based on trigger signal.
Third acquiring unit 45, for obtaining the partial-level signals for meeting predetermined condition in level signal, wherein predetermined
Condition is to belong to the predetermined period in the sampling period of level signal in the sampling time of level signal.
Determination unit 47, for using partial-level signals as Dynamic Current Testing point.
Detection unit 49 detects the dynamic current of key for the current value based on Dynamic Current Testing point.
Herein it should be noted that above-mentioned first acquisition unit 41, second acquisition unit 43, third acquiring unit 45, really
Order member 47 and detection unit 49 correspond to the step S102 to S110 in embodiment 1, above-mentioned module and corresponding step institute
The example of realization is identical with application scenarios, but is not limited to the above embodiments 1 disclosure of that.It should be noted that above-mentioned mould
Block can execute in a computer system such as a set of computer executable instructions as a part of of device.
From the foregoing, it will be observed that in embodiments of the present invention, the triggering letter of button operation can be got by first acquisition unit
Number；And trigger signal is based on using second acquisition unit and obtains the corresponding level signal of button operation；And it is obtained using third
Unit obtains the partial-level signals for meeting predetermined condition in level signal, wherein when predetermined condition is the sampling of level signal
Between belong to the predetermined period in sampling period of level signal；Recycle determination unit using partial-level signals as dynamic current
Test point；The dynamic current of key is detected based on the current value of Dynamic Current Testing point followed by detection unit.Phase
The drawback captured, testing result is unstable is not easy for dynamic current in the related technology, what is provided through the embodiment of the present invention is dynamic
The purpose for detecting dynamic current quickly and in time may be implemented in the detection device of state electric current, improves pending dynamic current
The detection efficiency of the equipment of detection, and then solve the lower technical problem of the detection reliability to remote controler in the related technology.
In an alternative embodiment, second acquisition unit includes: decoder module, the touching for triggering to button operation
It signals to execute decoding operate；Reading unit, for reading the initial code parsed in decoding operation procedures；Module is obtained,
For obtaining the level signal of the corresponding key of button operation using the timing node where initial code as starting point.
In an alternative embodiment, the detection device of the dynamic current further include: the 4th acquiring unit, for right
After the trigger signal of button operation triggering executes decoding operate, the corresponding Wave data of decoding operate is obtained；Display unit is used
In Wave data is sent to predetermined display apparatus, with the corresponding waveform of display waveform data in predetermined display apparatus, wherein
Waveform is corresponding with level signal.
In an alternative embodiment, level signal is that high level replaces existing signal with low level.
In an alternative embodiment, partial-level signals are the corresponding signal of high level, wherein when high level continues
A length of 9ms.
Embodiment 3
Another aspect according to an embodiment of the present invention, additionally provides a kind of remote controler, and the remote controler uses above-mentioned
Any one of described in dynamic current detection method.Remote controler can be carried out by the detection method of the dynamic current real
The purpose for now quickly and in time detecting dynamic current improves the detection effect of the remote controler of pending dynamic current detection
Rate, and then solve the lower technical problem of the detection reliability to remote controler in the related technology.
Embodiment 4
Another aspect according to an embodiment of the present invention, additionally provides a kind of storage medium, and storage medium includes storage
Program, wherein program executes the detection method of any one of above-mentioned dynamic current.
Embodiment 5
Another aspect according to an embodiment of the present invention additionally provides a kind of processor, and processor is used to run program,
Wherein, the detection method of any one of above-mentioned dynamic current is executed when program is run.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
In the above embodiment of the invention, it all emphasizes particularly on different fields to the description of each embodiment, does not have in some embodiment
The part of detailed description, reference can be made to the related descriptions of other embodiments.
In several embodiments provided herein, it should be understood that disclosed technology contents can pass through others
Mode is realized.Wherein, the apparatus embodiments described above are merely exemplary, such as the division of the unit, Ke Yiwei
A kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or components can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Between coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or communication link of unit or module
It connects, can be electrical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
On unit.It can some or all of the units may be selected to achieve the purpose of the solution of this embodiment according to the actual needs.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can for personal computer, server or network equipment etc.) execute each embodiment the method for the present invention whole or
Part steps.And storage medium above-mentioned includes: that USB flash disk, read-only memory (ROM, Read-OnlyMemory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic or disk etc. be various to can store program code
Medium.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of detection method of dynamic current characterized by comprising
Get the trigger signal of button operation；
The corresponding level signal of the button operation is obtained based on the trigger signal；
Obtain the partial-level signals for meeting predetermined condition in the level signal, wherein the predetermined condition is level signal
Sampling time belong to the predetermined period in the sampling period of the level signal；
Using the partial-level signals as Dynamic Current Testing point；
Current value based on the Dynamic Current Testing point detects the dynamic current of the key.
2. the method according to claim 1, wherein it is corresponding to obtain the button operation based on the trigger signal
The level signal of key include:
Decoding operate is executed to the trigger signal of button operation triggering；
Read the initial code parsed in the decoding operation procedures；
The level signal of the corresponding key of the button operation is obtained using the timing node where the initial code as starting point.
3. according to the method described in claim 2, it is characterized in that, executing solution in the trigger signal triggered to the button operation
After code operation, further includes:
Obtain the corresponding Wave data of the decoding operate；
The Wave data is sent to predetermined display apparatus, to show the Wave data pair in the predetermined display apparatus
The waveform answered, wherein the waveform is corresponding with the level signal.
4. according to the method in any one of claims 1 to 3, which is characterized in that the level signal be high level with it is low
The existing signal of level alternating.
5. according to the method described in claim 4, it is characterized in that, the partial-level signals be the corresponding signal of high level,
Wherein, the high level duration is 9ms.
6. a kind of detection device of dynamic current characterized by comprising
First acquisition unit, for getting the trigger signal of button operation；
Second acquisition unit, for obtaining the corresponding level signal of the button operation based on the trigger signal；
Third acquiring unit, for obtaining the partial-level signals for meeting predetermined condition in the level signal, wherein described pre-
Fixed condition is to belong to the predetermined period in the sampling period of the level signal in the sampling time of level signal；
Determination unit, for using the partial-level signals as Dynamic Current Testing point；
Detection unit detects the dynamic current of the key for the current value based on the Dynamic Current Testing point.
7. device according to claim 6, which is characterized in that the second acquisition unit includes:
Decoder module, the trigger signal for triggering to the button operation execute decoding operate；
Reading unit, for reading the initial code parsed in the decoding operation procedures；
Module is obtained, for obtaining the corresponding key of the button operation by starting point of the timing node where the initial code
Level signal.
8. a kind of remote controler, which is characterized in that the remote controler uses dynamic electric described in any one of claim 1 to 5
The detection method of stream.
9. a kind of storage medium, which is characterized in that the storage medium includes the program of storage, wherein described program right of execution
Benefit require any one of 1 to 5 described in dynamic current detection method.
10. a kind of processor, which is characterized in that the processor is for running program, wherein right of execution when described program is run
Benefit require any one of 1 to 5 described in dynamic current detection method.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111624918A (en) * | 2020-06-08 | 2020-09-04 | 上海东软载波微电子有限公司 | Method, device and system for acquiring working state of microcontroller and readable storage medium |
| CN112631237A (en) * | 2020-11-30 | 2021-04-09 | 珠海格力智能装备有限公司 | Detection method, device and system of wire controller and nonvolatile storage medium |
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