CN109799451B - A kind of current testing device on production line - Google Patents
A kind of current testing device on production line Download PDFInfo
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- CN109799451B CN109799451B CN201910301759.6A CN201910301759A CN109799451B CN 109799451 B CN109799451 B CN 109799451B CN 201910301759 A CN201910301759 A CN 201910301759A CN 109799451 B CN109799451 B CN 109799451B
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- 238000012360 testing method Methods 0.000 title claims abstract description 78
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
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- 230000005611 electricity Effects 0.000 claims description 5
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Abstract
A kind of current testing device on production line, including testboard and test pallet, test pallet is placed on testboard, testboard is equipped with transmitting electromagnetic coil and transmitting module, transmitting electromagnetic coil is connected with transmitting module, transmitting module emits electromagnetic wave by transmitting electromagnetic coil, test cell is equipped in test pallet, test cell includes receiving electromagnetic coil, electromagnetic conversion module and power output interface, electromagnetic coil is received to be connected with electromagnetic conversion module, electromagnetic conversion module is connected with power output interface, electromagnetic conversion module obtains electromagnetic wave from electromagnetic coil is received, and electromagnetic wave is converted into electric energy；The electromagnetic energy that test cell obtains can be adjusted by changing the distance between testboard and test pallet.For the present invention convenient for manually screening, test process is efficiently convenient, can effectively reduce production cost, can volume production implementation, strong applicability.
Description
Technical field
The present invention relates to current testing device, a kind of be specifically related on production line current testing device.
Background technique
Intelligent wearable device is more more and more universal at present, these usual equipment have the characteristics that low-power consumption length is standby, therefore
In production engineering, the test to electric current and power consumption is necessary step, could be by testing and going out as long as reaching specified requirement
Goods.But the power consumption of these equipment is very low, and the low required precision to test equipment of current value is relatively high, and when batch production largely purchases
Configuring high-precision test equipment will increase the cost of production.
In addition, the test result of electric current shows that numerical value is also not reliably by manually reading instrument, usually also need
Develop test software on computer and carry out the test result of read test instrument and identified and judgeed, these additional computer equipments and
Software development cost can all increase the production cost and technical difficulty of producing line.
The hardware of these intelligent wearable devices generally has intelligent processor, electricity inspection, the configuration of LED light, benefit
External high precision measurement instrument whether can not be needed with these configurations, self carries out standby or operating current judgement identification
, theoretically, hardware design can accomplish the inspection for using itself electric current really, but wearable device is inherently by size
Limitation, increase circuit adverse effect is all brought in cost and space.And production firm can not also go that client is required each to set
Standby all to increase such circuit function, applicability is not also high.
108089048 A of CN discloses a kind of low current test device, is the current aperture card using former phasor analysis instrument
Pincers increase the Multiple coil induction coil for low current acquisition newly outside electric current clamp, are connected on CT secondary current circuit, that is, adopt
Collect coil, makes external application acquisition coil is repeatedly equidirectional to be wrapped on mobilizable opening clamp iron core/magnetic core, be applied with acquisition coil
Be fused into one with clamp, share an electromagnetic system, adjust be applied with acquisition N times of the number of turns of coil, make its generate N times magnetic flux from
And amplify Weak current, keep phasor analysis instrument to show data stabilization.Structure is complicated for the current testing device, needs external point
Analyzer device, and complicated circuit is needed to amplify electric current.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the shortcomings of above-mentioned background technique, provide on a kind of production line
Current testing device, convenient for manually being screened, test process is efficiently convenient, can effectively reduce production cost, can volume production implement,
Strong applicability.
The technical solution used to solve the technical problems of the present invention is that the current testing device on a kind of production line, including
Testboard and test pallet, test pallet are placed on testboard, and the spacing distance between test pallet and testboard is adjustable, described
Testboard is equipped with transmitting electromagnetic coil and transmitting module, and transmitting electromagnetic coil is connected with transmitting module, and transmitting module passes through hair
Radio magnetic coil emits electromagnetic wave, and test cell is equipped in the test pallet, and test cell includes receiving electromagnetic coil, electromagnetism
Conversion module and power output interface receive electromagnetic coil and are placed in test pallet bottom, receive electromagnetic coil and electromagnetic conversion mould
Block is connected, and electromagnetic conversion module is connected with power output interface, and electromagnetic conversion module obtains electromagnetic wave from electromagnetic coil is received, and
Electromagnetic wave is converted into electric energy；The electromagnetic energy that test cell obtains is fixed as P=ULower limit*IThe upper limit, IThe upper limitTo be tested hardware circuit
The upper limit current that plate works normally, ULower limitFor the minium operation voltage value of hardware circuit board.
Further, height-adjustable cushion block is equipped between the test pallet and testboard, by the height for adjusting cushion block
Degree is to adjust the spacing distance between test pallet and testboard.
Further, the power output interface is spring thimble, metal clip or connector mode.
Further, it is tested hardware circuit board and is equipped with warning device, shown by opening or closing for warning device
Whether the electric current of tested hardware circuit board is qualified.
Further, the warning device is LED light.
Compared with prior art, advantages of the present invention is as follows:
For the hardware device of low-power consumption, the power supply provided by way of electromagnetic coupling can drive the present invention
Come, and adjusts the distance of electromagnetic coupling to be adapted to the hardware device of different power consumption；It is surveyed without high-precision power-supply device
Examination, can effectively reduce production cost；It can be tested simultaneously containing multiple test cells on test pallet, producing line operator passes through
The LED light state observed in tested hardware circuit board just can determine whether electric current is normal, can filter out electric current substandard product,
Convenient for manually being screened, test process is efficiently convenient, can volume production implement, strong applicability.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention.
Fig. 2 is the top view of the testboard of embodiment illustrated in fig. 1.
Fig. 3 is the top view of the test pallet of embodiment illustrated in fig. 1.
In figure: 1-testboard, 2-test pallets, 3-cushion blocks, 4-tested hardware circuit boards, 1-1-transmitting electromagnetism
Coil, 1-2-transmitting module, 2-1-reception electromagnetic coil, 2-2-electromagnetic conversion module, 2-3-power output interface.
Specific embodiment
With reference to the accompanying drawing and specific embodiment present invention is further described in detail.
Referring to Fig.1, the present embodiment includes testboard 1 and test pallet 2, and test pallet 2 is placed on testboard 1 and is surveyed
Examination is equipped with height-adjustable cushion block 3 between test pallet 2 and testboard 1.
Referring to Fig. 2, testboard 1 is equipped with transmitting electromagnetic coil 1-1 and transmitting module 1-2, transmitting electromagnetic coil 1-1 and hair
It penetrates module 1-2 to be connected, transmitting module 1-2, which is accessed after external power supply, emits electromagnetic wave by transmitting electromagnetic coil 1-1.
Referring to Fig. 3, set in test pallet 2 there are four test cell, each test cell include receive electromagnetic coil 2-1,
Electromagnetic conversion module 2-2 and power output interface 2-3.It receives electromagnetic coil 2-1 and is placed in 2 bottom of test pallet, receive electromagnetic wire
Circle 2-1 is connected with electromagnetic conversion module 2-2, and electromagnetic conversion module 2-2 is connected with power output interface 2-3, electromagnetic conversion module
2-2 obtains electromagnetic wave from electromagnetic coil 2-1 is received, and electromagnetic wave is converted into electric energy.
When test pallet 2 is placed in 1 top of testboard, the electromagnetism that the electromagnetic wave that testboard 1 emits can be tested pallet 2 turns
Mold changing block 2-2 is converted into electric energy, is exported by power output interface 2-3 to tested hardware circuit board 4.
The relationship of electromagnetic energy P and electric energy that test cell receives are P=UI, and under identical energy, voltage and current is at anti-
The relationship of ratio.The upper limit current of the tested normal work of hardware circuit board 4 is set as IThe upper limit, set in tested hardware circuit board 4
Processor can the lower voltage limit in working range be ULower limit, then the height of cushion block 3 between testboard 1 and test pallet 2 is adjusted
(namely spacing distance between adjusting test pallet 2 and testboard 1), the electromagnetic energy that test cell is obtained is fixed as
P=ULower limit*IThe upper limit 。
When tested hardware circuit board 4 gets electric energy normal work by power output interface 2-3, it is tested hardware electricity
The processor of road plate 4 obtains the voltage value of power supply by ADC audit function, if voltage value > ULower limit, then illustrate operating current <
IThe upper limit, in the normal range, the LED light that processor controls in tested hardware circuit board 4 is opened or flashing, then is tested hardware
The electric current of circuit board 4 is normal., whereas if voltage < ULower limitOr voltage is too low causes tested hardware circuit board 4 all can not work
Make, the LED light in tested hardware circuit board 4 is in close state, then the electric current for being tested hardware circuit board 4 is abnormal.
Power output interface 2-3 of the present invention is the modes such as spring thimble or metal clip, connector, power output interface 2-
3 by the power supply and ground progress physical connection on the power supply of electromagnetic conversion module 2-2 and earth signal and test board.
Cushion block 3 in the present invention can also be facilitated using mechanical drive modes such as screw thread or levers and be adjusted 2 He of test pallet
Spacing distance between testboard 1.
Concrete operations mode is exemplified below:
Assuming that the running current average out to 2mA of certain hardware circuit board (tested hardware circuit board 4), test request are super
It crosses 5mA and is judged as rejected product.The operating voltage range 1.8V-5V of this hardware circuit board, software determine that 2V is underproof mark
Directrix.Then we adjust the height of cushion block 3 between testboard 1 and test pallet 2, since the energy of electromagnetic coupling can be with antenna
Between distance variation and change, it is more closer bigger, it is more remote smaller；Therefore suitably apart from upper, so that the test on test pallet 2
The energy that unit can obtain is P=2V*5mA=10mW.
Tested hardware circuit board 4 is put into each test cell on test pallet 2, is tested in hardware circuit board 4
Power supply and earth signal connect with power interface.Testboard 1 accesses external power supply and starts to work, and transmitting module 1-2 passes through hair
Radio magnetic coil 1-1 persistently emits electromagnetic wave.
Entire test pallet 2 is placed on the cushion block 3 on testboard 1, tested hardware circuit board 4 passes through electromagnetic coupling
Electricity is obtained, is started to work.Test program inside the processor of tested hardware circuit board 4 starts to judge power supply electricity at this time
Pressure.Due to the energy of acquisition be it is fixed, when operating current is 2mA, voltage is 5V, if electric current it is bigger than normal arrive 5mA,
Voltage can drop to 2V.Processor detects that voltage is greater than 2V, then illustrates that electric current is normal, then opens the flashing light movement of LED light；Instead
It, operating current is abnormal if lower than 2V, and LED light will not open any movement；If the operating current of circuit board is bigger,
So that supply voltage is lower than 1.8V, then processor can not also work, and LED light is similarly in closed state at this time.
For the hardware device of low-power consumption, the power supply provided by way of electromagnetic coupling can drive the present invention
Come, and adjusts the distance of electromagnetic coupling to be adapted to the hardware device of different power consumption.It is surveyed without high-precision power-supply device
Examination, can effectively reduce production cost.It can be tested simultaneously containing multiple test cells on test pallet 2, producing line operator is logical
It crosses the LED light state observed in tested hardware circuit board 4 just can determine whether electric current is normal, the unqualified production of electric current can be filtered out
Product, convenient for manually being screened, test process is efficiently convenient.
Those skilled in the art can carry out various modifications to the present invention and modification, if these modifications and variations are at this
Within the scope of invention claim and its equivalent technologies, then these modifications and variations are also within protection scope of the present invention.
The prior art that the content being not described in detail in specification is known to the skilled person.
Claims (4)
1. the current testing device on a kind of production line, it is characterised in that: including testboard and test pallet, test pallet is placed in
On testboard, the spacing distance between test pallet and testboard is adjustable, and the testboard is equipped with transmitting electromagnetic coil and hair
Module is penetrated, transmitting electromagnetic coil is connected with transmitting module, and transmitting module emits electromagnetic wave, the test by transmitting electromagnetic coil
Test cell is equipped in pallet, test cell includes receiving electromagnetic coil, electromagnetic conversion module and power output interface, receives electricity
Magnetic coil is placed in test pallet bottom, receives electromagnetic coil and is connected with electromagnetic conversion module, and electromagnetic conversion module and power supply export
Interface is connected, and electromagnetic conversion module obtains electromagnetic wave from electromagnetic coil is received, and electromagnetic wave is converted into electric energy；Test cell obtains
The electromagnetic energy taken is fixed as P=ULower limit*IThe upper limit, IThe upper limitTo be tested the upper limit current that hardware circuit board works normally, ULower limitFor hardware
The minium operation voltage value of circuit board.
2. the current testing device on production line as described in claim 1, it is characterised in that: the test pallet and testboard
Between be equipped with height-adjustable cushion block, the height by adjusting cushion block adjusts the interval distance between test pallet and testboard
From.
3. the current testing device on production line as claimed in claim 1 or 2, it is characterised in that: the power output interface
For metal clip or connector mode.
4. the current testing device on production line as claimed in claim 3, it is characterised in that: the connector is spring top
Needle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910301759.6A CN109799451B (en) | 2019-04-16 | 2019-04-16 | A kind of current testing device on production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910301759.6A CN109799451B (en) | 2019-04-16 | 2019-04-16 | A kind of current testing device on production line |
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| Publication Number | Publication Date |
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| CN109799451A CN109799451A (en) | 2019-05-24 |
| CN109799451B true CN109799451B (en) | 2019-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910301759.6A Active CN109799451B (en) | 2019-04-16 | 2019-04-16 | A kind of current testing device on production line |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113064405B (en) * | 2021-03-31 | 2024-10-29 | 北京品驰医疗设备股份有限公司 | Reliability testing device of external control equipment for implantable medical instrument |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08262069A (en) * | 1995-03-17 | 1996-10-11 | Hewlett Packard Japan Ltd | Measuring device of voltage/current characteristics |
| JP2000171493A (en) * | 1998-12-02 | 2000-06-23 | Advantest Corp | Method and instrument for measuring current |
| CN1547035A (en) * | 2003-12-12 | 2004-11-17 | 华中科技大学 | a current sensor |
| CN203365521U (en) * | 2013-06-24 | 2013-12-25 | 海能达通信股份有限公司 | Current detection circuit and power control circuit |
| CN106597084A (en) * | 2016-12-12 | 2017-04-26 | 广州汽车集团股份有限公司 | Testing system for electric vehicle's wireless power charging system |
| CN207742298U (en) * | 2017-12-29 | 2018-08-17 | 深圳宜特检测技术有限公司 | A kind of chip ageing test device |
-
2019
- 2019-04-16 CN CN201910301759.6A patent/CN109799451B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08262069A (en) * | 1995-03-17 | 1996-10-11 | Hewlett Packard Japan Ltd | Measuring device of voltage/current characteristics |
| JP2000171493A (en) * | 1998-12-02 | 2000-06-23 | Advantest Corp | Method and instrument for measuring current |
| CN1547035A (en) * | 2003-12-12 | 2004-11-17 | 华中科技大学 | a current sensor |
| CN203365521U (en) * | 2013-06-24 | 2013-12-25 | 海能达通信股份有限公司 | Current detection circuit and power control circuit |
| CN106597084A (en) * | 2016-12-12 | 2017-04-26 | 广州汽车集团股份有限公司 | Testing system for electric vehicle's wireless power charging system |
| CN207742298U (en) * | 2017-12-29 | 2018-08-17 | 深圳宜特检测技术有限公司 | A kind of chip ageing test device |
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| CN109799451A (en) | 2019-05-24 |
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