CN109061337A - Low-power consumption product inspection method - Google Patents
Low-power consumption product inspection method Download PDFInfo
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- CN109061337A CN109061337A CN201810700556.XA CN201810700556A CN109061337A CN 109061337 A CN109061337 A CN 109061337A CN 201810700556 A CN201810700556 A CN 201810700556A CN 109061337 A CN109061337 A CN 109061337A
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- Prior art keywords
- low
- power consumption
- consumption product
- measured
- switch
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Abstract
The present invention relates to a kind of low-power consumption product inspection methods, obtain the current working status of low-power consumption product to be measured；Control instruction is issued to control switch according to power supply and current working status；Control switch is set to control the on state of itself according to control instruction；Division module is set to control the resistance value between access power supply and low-power consumption product to be measured according to the on state of control switch；For sampling the pressure drop at the division module both ends；According to pressure drop and connect power supply, control switch, division module, low-power consumption product to be measured are formed by the resistance value of division module after measure loop and calculate the present current value of low-power consumption product to be measured；Judge whether low-power consumption product to be measured is qualified under current working status according to present current value.It is therefore not necessary to adjust power supply, and multiple low-power consumption products to be measured can be detected simultaneously by control switch and the division module, improve the detection efficiency of low-power consumption product to be measured, and mode of operation is easy.
Description
Technical field
The present invention relates to product testings, in particular to a kind of without resetting power supply measurement range, easy to operate, efficiency
High low-power consumption product inspection method.
Background technique
It is increasing to radio communication mold group demand with the development of technology of Internet of things.Wherein, with Lora and NB-IOT skill
Art is the approval of the low-power consumption of representative, the wide covering wireless module product acquisition market demand, and explosive growth is presented.How to reduce
The production cost of this power consumption product, improving production efficiency is that there is an urgent need to study and solve the problems, such as.
In the test of low-power consumption production, need to guarantee each product quality, testing current is a very crucial ring
Section.The usually electric current under test maximum transmission power and the electric current under power saving standby mode.Due to this low-power consumption module power saving
Standby current under mode only has 2~5uA, and the electric current under maximum transmission power can reach 250~300mA, difference nearly 100,000
Times.The electric current that accurately test so big difference, needs high-precision, and the ammeter of Larger Dynamic measurement range goes to complete to test.
In general, this ammeter price is all more expensive, an ammeter once can only also test a determinand product, production efficiency
Also relatively low.
Summary of the invention
Based on this, it is necessary to provide a kind of without resetting power supply measurement range, easy to operate, high-efficient low-power consumption
Product inspection method.
A kind of low-power consumption product inspection method, comprising the following steps:
Obtain the current working status of low-power consumption product to be measured；
Control instruction is issued to the control switch according to the power supply and the current working status；
The control switch is set to control the on state of itself according to the control instruction；
Make the division module according to the control of the on state of the control switch access the power supply and it is described to
Survey the resistance value between low-power consumption product；
Sample the pressure drop at the division module both ends；
According to the pressure drop and connect the power supply, control switch, the division module, described to be measured low
Power consumption product is formed by the resistance value of the division module after measure loop to calculate the current electricity of the low-power consumption product to be measured
Flow valuve；
Judge whether the low-power consumption product to be measured is qualified under current working status according to the present current value.
The control switch includes switch common end and at least one switch in one of the embodiments,.
The division module includes at least one divider resistance unit in one of the embodiments,.
Divider resistance unit one end is set to connect the switch common end, the other end pair in one of the embodiments,
The switch should be connected.
The quantity of the divider resistance unit is equal with the quantity of the switch and described in one of the embodiments,
Divider resistance unit and the switch correspond, wherein and the low-power consumption product to be measured is equal with the quantity of the switch, and
The switch is corresponded with the low-power consumption product to be measured.
In one of the embodiments, further include: connect according to the quantity of the low-power consumption product to be measured control switch
Enter the quantity in the measure loop.
In one of the embodiments, further include: keep the resistance value of the divider resistance unit in the division module incomplete
It is identical.
The current working status includes high current working condition and standby mode in one of the embodiments,.
The low-power consumption product includes wireless module in one of the embodiments, the method also includes: for nothing
Line mould group carries out current detecting.
In one of the embodiments, the method also includes: current detecting carried out simultaneously at least two wireless modules.
Above-mentioned low-power consumption product inspection method use control switch and division module adjust power supply with it is to be measured low
Resistance value between power consumption product, and then achieve the purpose that adjustment low-power consumption product test current value to be measured.Since power consumption to be measured produces
Test current value of the product under different working condition is different, therefore, adjusts the resistance between power supply and low-power consumption product to be measured
Value can be realized as the test of low-power consumption product to be measured, without adjusting power supply, and can pass through control switch and described point
Die block simultaneously detects multiple low-power consumption products to be measured, improves the detection efficiency of low-power consumption product to be measured, Er Qiecao
Make mode simplicity.
Detailed description of the invention
Fig. 1 is the flow chart of low-power consumption product inspection method；
Fig. 2 is the schematic diagram of low-power consumption product inspection method.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give presently preferred embodiments of the present invention.But the invention can be realized in many different forms, however it is not limited to this paper institute
The embodiment of description.On the contrary, purpose of providing these embodiments is keeps the understanding to the disclosure more thorough
Comprehensively.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that the limitation present invention.Term as used herein "and/or" includes one or more related
Listed item any and all combinations.
As shown in Figure 1, being the module map of low-power consumption product inspection method.
A kind of low-power consumption product inspection method, which comprises the following steps:
Step S110 obtains the current working status of low-power consumption product to be measured；
In the present embodiment, the working condition of low-power consumption product to be measured is obtained using controller 104.If being currently standby shape
State, it means that the test electric current of low-power consumption product to be measured can be very small, correspondingly, then needing to be turned up division module 102
Resistance value is accessed, so that low-power consumption product to be measured is at safe standby mode, and then realizes testing current.
Step S112 issues control to the control switch according to the power supply and the current working status and refers to
It enables；
Specifically, in standby mode, power supply, control switch 101, division module 102 and low-power consumption product to be measured
Form measure loop, wherein select the access resistance value of division module 102 therefore can quickly lead to by control switch 101
The access resistance value that division module 102 is turned up in control switch 101 is crossed, and detects 102 liang of division module by voltage sample module 103
The pressure drop at end, so that low-power consumption product to be measured can be able to carry out current detecting.
If being currently in working condition, it means that the test electric current of low-power consumption product to be measured can be bigger, correspondingly, then
Need to turn down the access resistance value of division module 102, so that low-power consumption product to be measured is at safe working condition, Jin Ershi
Existing testing current.
Step S114 makes the control switch control the on state of itself according to the control instruction.
Specifically, connecting switch or disconnection switch according to control instruction is corresponding.
Step S116 makes the division module access the power supply according to the control of the on state of the control switch
With the resistance value between the low-power consumption product to be measured.
The conducting of difference switch, so that the resistance value in access circuit is not exactly the same.It therefore, can be low-power consumption product to be measured
Different detection pressure drops is provided.
Step S118 samples the pressure drop at the division module both ends；
Step S120 according to the pressure drop and connects the power supply, the control switch, the division module, institute
It states low-power consumption product to be measured and is formed by the resistance value of the division module after measure loop to calculate the low-power consumption product to be measured
Present current value；
Specifically, in working condition, power supply, control switch 101, division module 102 and low-power consumption product to be measured
Form measure loop, wherein select the access resistance value of division module 102 therefore can quickly lead to by control switch 101
The access resistance value that control switch 101 turns down division module 102 is crossed, and detects 102 liang of division module by voltage sample module 103
The pressure drop at end, so that low-power consumption product to be measured can be able to carry out current detecting.
Thus, under the case where obtaining resistance value and pressure drop, the electric current flowed through in low-power consumption product to be measured can be calculated,
And then it completes to detect by the assessment to the electric current.
Step S122, according to the present current value judge the low-power consumption product to be measured under current working status whether
It is qualified.
In general, in standby mode, calculated electric current should be very low, if more than in standby current threshold range,
Then it can be seen that the low-power consumption product to be measured is unqualified.Similarly, in working condition, calculated electric current should worked normally
It is too high or too low all to think that the low-power consumption product to be measured is unqualified in current range.
Above-mentioned detection method is not necessarily to adjust the pressure drop of power supply, without the ammeter for using different accuracy, thus,
In entire test process, without changing the internal structure of detection method or using different detection instruments, it will be able to quick and straight
What is connect detects low-power consumption product to be measured, so that the detection of low-power consumption product is more convenient.
Incorporated by reference to Fig. 2.
Control switch 101 includes switch common end 1011 and at least one switch 1012.The connection of common end 1011 is switched to supply
Power supply.Switch 1012 connects division module 102 and low-power consumption product to be measured.
Division module 102 includes at least one divider resistance unit.
In the present embodiment, divider resistance unit includes 2 different divider resistances of resistance value.Wherein, this 2 divider resistances
One end simultaneously connection switch common end 1011, another termination switch 1012.It can be selected by switch common end 1011 and switch
Whether selecting the access of 2 divider resistances.In one embodiment, 2 divider resistances can be accessed simultaneously, also may be selected wherein one
A divider resistance access.
In other implementations, divider resistance unit includes 2,4,6 or more divider resistance, and every 2 or every 3 divide
Electric group connects a switch 1012.
The above method further include: make divider resistance unit one end connect the switch common end 1011, the other end is corresponding to be connected
Connect the switch 1012.
The quantity of divider resistance unit is equal with the quantity of the switch 1012, and the divider resistance unit is opened with described
It closes 1012 to correspond, wherein the low-power consumption product to be measured is equal with the quantity of the switch 1012, and the switch 1012
It is corresponded with the low-power consumption product to be measured.Due to control switch 101 and division module 102 can connect simultaneously it is multiple to be measured
Therefore low-power consumption product can simultaneously detect multiple low-power consumption products.
If the standby current of multiple low-power consumption products is different, only need to select connecing for corresponding divider resistance unit
Enter resistance value can while detect different low-power consumption products to be measured.
For example, the standby current of low-power consumption product A to be measured is a1, the standby current of low-power consumption product B to be measured is b1, to be measured
The standby current of low-power consumption products C is c1, then, it is corresponding, the divider resistance unit that low-power consumption product A to be measured is correspondingly connected with
Access resistance value is a2, and the access resistance value for the divider resistance unit that low-power consumption product B to be measured is correspondingly connected with is b2, and low-power consumption to be measured produces
The access resistance value for the divider resistance unit that product C is correspondingly connected be c2, in turn, enable each low-power consumption product to be measured normally into
Row detection.
Similarly, when carrying out working condition detection to different low-power consumption products to be measured, select resistance value access principle same
On, details are not described herein.
The above method further include: the switch is controlled according to the quantity of the low-power consumption product to be measured and accesses described detect back
Quantity in road.
Since each switch 1012 corresponds to specific low-power consumption product to be measured, low-power consumption to be measured is connected in switch
After product, then need corresponding switch 1012 accessing measure loop.
The above method further include: keep the resistance value of the divider resistance unit in division module 102 not exactly the same.
Since the type of low-power consumption product to be measured is different, required test load is not exactly the same, different to meet
The low-power consumption product to be measured of type, thus, it sets the resistance value of divider resistance unit to needed for all types of low-power consumption products to be measured
Load resistance value.
Current working status includes high current working condition and standby mode.It is generally desirable to be produced to low-power consumption to be measured
Product carry out the current detecting under current detecting and working condition under standby mode, and it is excessive to can be avoided standby current, so as to
Machine power consumption is excessively high to cause unnecessary loss or operating current excessively high, damages product.
Low-power consumption product includes wireless module, the method also includes: for carrying out current detecting to wireless module.
The above method further include: current detecting is carried out simultaneously at least two wireless modules.
Based on the above embodiment, 2 or more same type low-power consumption products can be detected or different types of
Low-power consumption product is detected.
Above-mentioned low-power consumption product inspection method use control switch 101 and division module 102 adjust power supply with
Resistance value between low-power consumption product to be measured, and then achieve the purpose that adjustment low-power consumption product test current value to be measured.Due to be measured
Test current value of the power consumption product under different working condition is different, therefore, adjustment power supply and low-power consumption product to be measured it
Between resistance value can be realized as the test of low-power consumption product to be measured, without adjusting power supply, and control switch 101 can be passed through
And the division module 102 simultaneously detects multiple low-power consumption products to be measured, improves the detection of low-power consumption product to be measured
Efficiency, and mode of operation is easy.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of low-power consumption product inspection method, which comprises the following steps:
Obtain the current working status of low-power consumption product to be measured；
Control instruction is issued to the control switch according to the power supply and the current working status；
The control switch is set to control the on state of itself according to the control instruction；
Make the division module according to the control of the on state of the control switch access the power supply with it is described to be measured low
Resistance value between power consumption product；
Sample the pressure drop at the division module both ends；
According to the pressure drop and connect the power supply, the control switch, the division module, the low-power consumption to be measured
Product is formed by the resistance value of the division module after measure loop to calculate the present current value of the low-power consumption product to be measured；
Judge whether the low-power consumption product to be measured is qualified under current working status according to the present current value.
2. low-power consumption product inspection method according to claim 1, which is characterized in that the control switch includes that switch is public
End and at least one switch altogether.
3. low-power consumption product inspection method according to claim 2, which is characterized in that the division module includes at least one
A divider resistance unit.
4. low-power consumption product inspection method according to claim 3, which is characterized in that further include: make the divider resistance
Unit one end connects the switch common end, and the other end is correspondingly connected with the switch.
5. low-power consumption product inspection method according to claim 3, which is characterized in that the quantity of the divider resistance unit
It is equal with the quantity of the switch, and the divider resistance unit and the switch correspond, wherein the low-power consumption to be measured
Product is equal with the quantity of the switch, and the switch is corresponded with the low-power consumption product to be measured.
6. low-power consumption product inspection method according to claim 3, which is characterized in that further include: according to described to be measured low
The quantity of power consumption product controls the quantity that the switch accesses in the measure loop.
7. low-power consumption product inspection method according to claim 3, which is characterized in that further include: make the division module
In divider resistance unit resistance value it is not exactly the same.
8. low-power consumption product inspection method according to claim 1, which is characterized in that the current working status includes big
Current work state and standby mode.
9. low-power consumption product inspection method according to claim 1, which is characterized in that the low-power consumption product includes wireless
Module, the method also includes: for carrying out current detecting to wireless module.
10. low-power consumption product inspection method according to claim 9, which is characterized in that the method also includes: at least
Two wireless modules carry out current detecting simultaneously.
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| CN201810700556.XA CN109061337A (en) | 2018-06-29 | 2018-06-29 | Low-power consumption product inspection method |
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| CN201810700556.XA CN109061337A (en) | 2018-06-29 | 2018-06-29 | Low-power consumption product inspection method |
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| CN201810700556.XA Pending CN109061337A (en) | 2018-06-29 | 2018-06-29 | Low-power consumption product inspection method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110557300A (en) * | 2019-08-08 | 2019-12-10 | 厦门骐俊物联科技股份有限公司 | system and method for detecting whether NB-IoT module is qualified or not in low power consumption |
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