CN108872748A - Low-power consumption product detection device - Google Patents
Low-power consumption product detection device Download PDFInfo
- Publication number
- CN108872748A CN108872748A CN201810701186.1A CN201810701186A CN108872748A CN 108872748 A CN108872748 A CN 108872748A CN 201810701186 A CN201810701186 A CN 201810701186A CN 108872748 A CN108872748 A CN 108872748A
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- Prior art keywords
- power consumption
- low
- consumption product
- measured
- switch
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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
Abstract
The present invention relates to a kind of low-power consumption product detection devices, including control switch, division module, voltage sample module and controller；Control switch is used to control the on state of itself according to control instruction；Division module controls the resistance value between access power supply and low-power consumption product to be measured according to the on state of control switch；Voltage sample module is used for the pressure drop using division module both ends；Controller be used for according to the pressure drop and connect power supply, after control switch, division module, low-power consumption product to be measured are formed by measure loop, the resistance value of division module calculate the present current value of low-power consumption product to be measured；Controller is used to judge according to present current value whether low-power consumption product to be measured to be qualified under current working status.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 detection device.
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 detection device.
A kind of low-power consumption product detection device, for low-power consumption product to be measured carry out testing current, including control switch,
Division module, voltage sample module and controller；
The control switch for connecting power supply and the division module, the division module for connect it is described to
Survey low-power consumption product；The voltage sample module connects the division module, and the controller is for connecting the low function to be measured
Consume product and the control switch；
The controller is used to obtain the current working status of the low-power consumption product to be measured, and according to the power supply
And the current working status issues control instruction to the control switch；
The control switch is used to control the on state of itself according to the control instruction；The division module is according to institute
State the resistance value between the on state control access power supply of control switch and the low-power consumption product to be measured；The electricity
Pressure sampling module is used to sample the pressure drop at the division module both ends；The controller is used for according to the pressure drop and connects institute
State power supply, the control switch, the division module, the low-power consumption product to be measured be formed by measure loop after, institute
The resistance value of division module is stated to calculate the present current value of the low-power consumption product to be measured；The controller according to for working as
Preceding current value judges whether the low-power consumption product to be measured is qualified under current working status.
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 connects the switch common end in one of the embodiments, and the other end is corresponding
Connect the switch.
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.
The controller is used for according to the control of the quantity of the low-power consumption product to be measured in one of the embodiments,
Switch accesses the quantity in the measure loop.
The resistance value of the divider resistance unit in the division module is not exactly the same in one of the embodiments,.
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, and described device is used for wireless module
Carry out current detecting.
Described device is used to carry out current detecting simultaneously at least two wireless modules in one of the embodiments,.
Above-mentioned low-power consumption product detection device 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 module map of low-power consumption product detection device；
Fig. 2 is the schematic diagram of low-power consumption product detection device.
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 detection device.
A kind of low-power consumption product detection device, for carrying out testing current, including control switch to low-power consumption product to be measured
101, division module 102, voltage sample module 103 and controller 104；
For connecting power supply and the division module 102, the division module 102 is used for the control switch 101
Connect the low-power consumption product to be measured；The voltage sample module 103 connects the division module 102, and the controller 104 is used
In the connection low-power consumption product to be measured and the control switch 101；
The controller 104 is used to obtain the current working status of the low-power consumption product to be measured, and according to the power supply
Power supply and the current working status issue control instruction to the control switch 101；
The control switch 101 is used to control the on state of itself according to the control instruction；The division module 102
The resistance accessed between the power supply and the low-power consumption product to be measured is controlled according to the on state of the control switch 101
Value；The voltage sample module 103 is used to sample the pressure drop at 102 both ends of division module；The controller 104 is used for basis
The pressure drop and the connection power supply, the control switch 101, the division module 102, the low-power consumption production to be measured
Product be formed by measure loop after, the resistance value of the division module 102 calculate the current flow of the low-power consumption product to be measured
Value；The controller 104 is used to judge the low-power consumption product to be measured under current working status according to the present current value
It is whether qualified.
In the present embodiment, controller 104 is used to obtain the working condition of low-power consumption product to be measured.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.
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.
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.
Above-mentioned detection device 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 device 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.
Divider resistance unit one end connects the switch common end 1011, and the other end is correspondingly connected with 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.
Controller 104, which is used to control the switch according to the quantity of the low-power consumption product to be measured, accesses the measure loop
In quantity.
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 resistance value of divider resistance unit in division module 102 is 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, and described device is used to carry out current detecting to wireless module.
Above-mentioned apparatus is used to carry out current detecting 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 detection device 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 detection device, for carrying out testing current to low-power consumption product to be measured, which is characterized in that including
Control switch, division module, voltage sample module and controller；
For the control switch for connecting power supply and the division module, the division module is described to be measured low for connecting
Power consumption product；The voltage sample module connects the division module, and the controller is produced for connecting the low-power consumption to be measured
Product and the control switch；
The controller is used to obtain the current working status of the low-power consumption product to be measured, and according to the power supply and institute
It states current working status and issues control instruction to the control switch；
The control switch is used to control the on state of itself according to the control instruction；The division module is according to the control
The on state control of system switch accesses the resistance value between the power supply and the low-power consumption product to be measured；The voltage is adopted
Egf block is used to sample the pressure drop at the division module both ends；The controller is used for according to the pressure drop and connects the confession
Power supply, the control switch, the division module, the low-power consumption product to be measured be formed by measure loop after, described point
The resistance value of die block calculates the present current value of the low-power consumption product to be measured；The controller is used for according to the current electricity
Flow valuve judges whether the low-power consumption product to be measured is qualified under current working status.
2. low-power consumption product detection device 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 detection device 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 detection device according to claim 3, which is characterized in that divider resistance unit one end connects
The switch common end is connect, the other end is correspondingly connected with the switch.
5. low-power consumption product detection device 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 detection device according to claim 3, which is characterized in that the controller is used for according to
The quantity of low-power consumption product to be measured controls the quantity that the switch accesses in the measure loop.
7. low-power consumption product detection device according to claim 3, which is characterized in that the partial pressure electricity in the division module
The resistance value for hindering unit is not exactly the same.
8. low-power consumption product detection device 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 detection device according to claim 1, which is characterized in that the low-power consumption product includes wireless
Module, described device are used to carry out current detecting to wireless module.
10. low-power consumption product detection device according to claim 9, which is characterized in that described device is used for at least two
A wireless module carries out current detecting simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810701186.1A CN108872748A (en) | 2018-06-29 | 2018-06-29 | Low-power consumption product detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810701186.1A CN108872748A (en) | 2018-06-29 | 2018-06-29 | Low-power consumption product detection device |
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| Publication Number | Publication Date |
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| CN108872748A true CN108872748A (en) | 2018-11-23 |
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| CN201810701186.1A Pending CN108872748A (en) | 2018-06-29 | 2018-06-29 | Low-power consumption product detection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113193926A (en) * | 2020-01-14 | 2021-07-30 | 中移物联网有限公司 | Test circuit, test fixture, NB communication module test method and test system |
| CN114333971A (en) * | 2020-09-30 | 2022-04-12 | 长鑫存储技术有限公司 | Power consumption measuring assembly and method and chip power consumption measuring device |
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| CN103389419A (en) * | 2012-05-10 | 2013-11-13 | 上海博泰悦臻电子设备制造有限公司 | Sleep wake-up test device of vehicle-mounted system |
| CN205157760U (en) * | 2015-10-21 | 2016-04-13 | 许继集团有限公司 | Ammeter communication module's consumption detection device |
| CN106405249A (en) * | 2016-06-24 | 2017-02-15 | 东莞钜威动力技术有限公司 | Detection circuit and detection method for detecting insulation resistance of electric vehicle |
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2018
- 2018-06-29 CN CN201810701186.1A patent/CN108872748A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103389419A (en) * | 2012-05-10 | 2013-11-13 | 上海博泰悦臻电子设备制造有限公司 | Sleep wake-up test device of vehicle-mounted system |
| CN205157760U (en) * | 2015-10-21 | 2016-04-13 | 许继集团有限公司 | Ammeter communication module's consumption detection device |
| CN106405249A (en) * | 2016-06-24 | 2017-02-15 | 东莞钜威动力技术有限公司 | Detection circuit and detection method for detecting insulation resistance of electric vehicle |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113193926A (en) * | 2020-01-14 | 2021-07-30 | 中移物联网有限公司 | Test circuit, test fixture, NB communication module test method and test system |
| CN113193926B (en) * | 2020-01-14 | 2022-06-10 | 中移物联网有限公司 | Test circuit, test fixture, NB communication module test method and test system |
| CN114333971A (en) * | 2020-09-30 | 2022-04-12 | 长鑫存储技术有限公司 | Power consumption measuring assembly and method and chip power consumption measuring device |
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