CN105137228A - Electric discharging device and testing system comprising the same - Google Patents
Electric discharging device and testing system comprising the same Download PDFInfo
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- CN105137228A CN105137228A CN201510494717.0A CN201510494717A CN105137228A CN 105137228 A CN105137228 A CN 105137228A CN 201510494717 A CN201510494717 A CN 201510494717A CN 105137228 A CN105137228 A CN 105137228A
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- 238000012360 testing method Methods 0.000 title claims description 24
- 238000007599 discharging Methods 0.000 title abstract description 20
- 230000005611 electricity Effects 0.000 claims description 12
- 238000012544 monitoring process Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 description 11
- 239000000203 mixture Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010998 test method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004886 process control Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
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- 238000012956 testing procedure Methods 0.000 description 1
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Abstract
The invention discloses an electric discharging device comprises a constant-current electric discharging unit and a control module. The constant-current electric discharging unit is connected with a tested device. The control module is connected with the constant-current electric discharging unit and is used for making the constant-current electric discharging unit output the electric amount of the tested device through an electric discharging current with a constant magnitude. The electric discharging device realizes quick electric discharging by means of the constant-current electric discharging unit, and furthermore can be upgraded to a manner of performing electric discharging by means of a plurality of constant-current electric discharging units, thereby improving an electric discharging efficiency and reducing a total electric discharging time.
Description
Technical field
The present invention relates to field of industry detection, particularly relate to a kind of electric discharge device and comprise the test macro of this electric discharge device.
Background technology
In electron device testing flow process, have a lot of upper Electrical Test Procedure and non-on Electrical Test Procedure.After each test that powers on completes, always to perform one section of discharge procedures, guarantee that the dump energy in DUT is not too large.Because when the power that to power on opens time next time, excessive dump energy can produce a large electric current in DUT inside, thus infringement DUT, affect electron device quality and life-span.
So electrical testing must be inevitable after terminating at every turn for discharge procedures.And if it is oversize to spend in this object time, whole test process will become very long.
Discharge procedures, in traditional design, mainly uses the not identical resistance of a lot of resistance value to solve.According to the voltage that the calculating DUT continued holds, select the resistance of desired characteristic impedance to guarantee that discharge current is a rational scope, performs discharge procedures.Nonetheless, this kind of design can not controlled discharge electric current accurately, and so easy guiding discharge electric current is too small causes the situation that discharging efficiency is too low.
Summary of the invention
The object of this invention is to provide a kind of electric discharge device and the test macro comprising electric discharge device, can electron device testing be widely used in, improve discharging efficiency, reduce discharge time.
Technical scheme provided by the invention is as follows:
A kind of electric discharge device, comprises constant-current discharge unit and control module;
Described constant-current discharge unit connects measured device;
Described control module is connected with described constant-current discharge unit, exports the electricity of measured device for the described constant-current discharge unit of control after measured device test terminates with the discharge current value of a constant size.
The present invention can realize rapid discharge mechanism, shortens the testing process time.
Preferred further, described constant-current discharge unit is multiple; Described multiple constant-current discharge unit is in parallel.
The present invention discharges by using multiple constant-current discharge units synchronization, walks abreast to improve discharging efficiency, reduces total discharge time.
Further preferred, described control module specifically comprises processor and the digital to analog converter be connected with described processor respectively and analog to digital converter.
Preferred further, described processor is used for the output voltage being obtained described measured device by described analog to digital converter, and determines the discharge current value of described constant-current discharge unit according to described output voltage.
Preferred further, described processor is also for controlling described constant-current discharge unit with the electricity of described discharge current value output measured device by described digital to analog converter.
Preferred further, described processor also for the output voltage by described analog to digital converter Real-Time Monitoring measured device, and when described output voltage is lower than preset value, controls described constant-current discharge unit and stops electric discharge.
The present invention also provides a kind of test macro, comprises switching motherboard, tester and power supply unit, and described tester connects measured device by described switching motherboard, also comprises above-mentioned electric discharge device; Described electric discharge device is connected with described tester, for exporting the electricity of measured device at the end of described tester test measured device with the discharge current value of constant size.
The present invention mainly uses constant-current discharge unit to realize rapid discharge, and can be upgraded to use multiple constant-current discharge units synchronization discharge, walk abreast to improve discharging efficiency, reduce total discharge time.Such as use the electric capacity that constant-current discharge unit is 100uf for capacitance, it needs sparking voltage to be 24V, and constant discharge current value is 0.3A, and the required time is 100*24/0.3=8ms.Therefore, the present invention has more excellent technique effect.
Accompanying drawing explanation
Below by clearly understandable mode, accompanying drawings preferred implementation, to a kind of method and above-mentioned characteristic, technical characteristic, advantage and implementation thereof be further described.
Fig. 1 is the main composition structural representation of a kind of electric discharge device of the present invention;
Fig. 2 is the structural representation that a kind of electric discharge device of the present invention comprises multiple constant-current discharge unit;
Fig. 3 be a kind of electric discharge device of the present invention be fully composed structural representation;
Fig. 4 is the composition structural representation of a kind of test macro of the present invention;
Fig. 5 is the switching motherboard schematic diagram in a kind of test macro of the present invention.
Drawing reference numeral illustrates:
1. electric discharge device, 11. constant-current discharge unit, 12. control modules, 121. digital to analog converters, 122. analog to digital converters, 123. processors, 2. switching motherboard, 3. tester, 4. power supply unit.
Embodiment
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, contrast accompanying drawing is illustrated the specific embodiment of the present invention below.Apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, and obtain other embodiment.
For making simplified form, only schematically show part related to the present invention in each figure, they do not represent its practical structures as product.In addition, be convenient to make simplified form understand, there are the parts of identical structure or function in some figure, only schematically depict one of them, or only marked one of them.In this article, " one " not only represents " only this ", also can represent the situation of " more than one ".
Fig. 1 is the main composition structural representation of a kind of electric discharge device of the present invention.As a specific embodiment of the present invention, as shown in Figure 1, a kind of electric discharge device 1, comprises constant-current discharge unit 11 and control module 12;
Described constant-current discharge unit 11 connects measured device 5;
Described control module 12 is connected with described constant-current discharge unit 11, exports the electricity of measured device 5 for the described constant-current discharge unit 11 of control after measured device 5 test terminates with the discharge current value of a constant size.
The present invention controls by control module 12 electricity that constant-current discharge unit 11 exports measured device 5, thus realizes rapid discharge.
Improve above-described embodiment, obtaining preferred embodiment two, Fig. 2 is the structural representation that a kind of electric discharge device of the present invention comprises multiple constant-current discharge unit 11, and as shown in Figure 2, described constant-current discharge unit 11 is multiple; Described multiple constant-current discharge unit 11 is in parallel.
The present invention uses multiple constant-current discharge unit 11 synchronously to discharge, and walks abreast to improve discharging efficiency, reduces total discharge time.
Above-described embodiment is improved, obtain preferred embodiment three, Fig. 3 be a kind of electric discharge device of the present invention be fully composed structural representation, as shown in Figure 3, described control module 12 specifically comprises processor 123 and the digital to analog converter 121 be connected with described processor 123 respectively and analog to digital converter 122.
Turnover number weighted-voltage D/A converter 121 (DigitaltoAnalogConverters, DAC), the digital quantity of parallel binary is converted to DC voltage or DC current, it is commonly used for the output channel of process control computer system, be connected with processor 123, realize the automatic control to production run.
Analog to digital converter 122 (AnalogtoDigitalConverters, ADC), is converted to the digital quantity of parallel binary by DC voltage or DC current, it is commonly used for the input channel of process control computer system, is connected with processor 123.
Concrete, described processor 123 for being obtained the output voltage of described measured device 5 by described analog to digital converter 122, and determines the discharge current value of described constant-current discharge unit 11 according to described output voltage.
Concrete, described processor 123 is also for controlling described constant-current discharge unit 11 with the electricity of described discharge current value output measured device 5 by described digital to analog converter 121.
In the present invention, digital to analog converter 121 and analog to digital converter 122 come together to form heart---the control module 12 of electric discharge device 1 respectively with processor 123.The output voltage of measured device 5 is converted to digital quantity input processor 123 by electric signal by analog to digital converter 122, is processed by processor 123; Processor 123 calculates corresponding discharge current value size according to output voltage values, and converts this discharge current value to analog quantity by digital to analog converter 121, goes to drive constant-current discharge unit 11 to remove to export the electricity of measured device 5.
Digital to analog converter 121 and analog to digital converter 122 can obtain the voltage of measured device 5 end, and then they are converted to the binary format that processor 123 can identify reading, and this process should be reversible, therefore processor 123 just can monitor the voltage of measured device 5 end at any time.
Improve above-described embodiment, concrete, described processor 123 also for the output voltage by described analog to digital converter 122 Real-Time Monitoring measured device 5, and when described output voltage is lower than preset value, controls described constant-current discharge unit 11 and stops electric discharge.Because constant-current discharge unit 11 constantly discharges, the voltage of measured device 5 is also in constantly declining, when the voltage drop of measured device 5 is to preset value, electricity in measured device 5 is safe, now, stop constant-current discharge unit 11, and then this time discharge procedures terminates, opening power, on the next one, Electrical Test Procedure starts to perform.
Fig. 4 is the composition schematic diagram of a kind of test macro of the present invention, as another specific embodiment of the present invention, as shown in Figure 4, a kind of test macro, comprise switching motherboard 2, tester 3 and power supply unit 4, described tester 3 connects measured device 5 by described switching motherboard 2, also comprises above-mentioned electric discharge device 1; Described electric discharge device 1 is connected with described tester 3, for exporting the electricity of measured device 5 at the end of measured device 5 tested by described tester 3 with the discharge current value of constant size.
Concrete, in test macro, power supply unit 4 supplies electrical power to measured device 5, and measured device 5 is connected to tester 3 device by switching motherboard 2 simultaneously, then under measured device 5 electric power is opened, performs a series of testing procedure by tester 3 device.
Fig. 5 is the switching motherboard schematic diagram in a kind of test macro of the present invention.As shown in Figure 5, switching motherboard 2 is made up of several relay switches.Different switches can come respectively, the PIN of the required different measured device 5 of different Switch Controller.Each relay switch can have different voltage driven, and as 1.8V drives, 3.3V drives and waits to show difference.
Introduce the course of work of the present invention in detail below.
First, tester 3 pairs of measured devices 5 carry out upper electrical testing.After having tested, electric discharge device 1 first obtains the sampling and outputting voltage value of measured device 5, according to the size of this output voltage values determination discharge current value.
Electric discharge device 1 controls constant-current discharge unit 11 pairs of measured devices 5 according to discharge current value and carries out discharge operation.
Meanwhile, the voltage in electric discharge device 1 Real-Time Monitoring measured device 5, after the voltage drop of measured device 5 to preset value being detected, controls constant-current discharge unit 11 and stops electric discharge.
Electric discharge terminates, and on the next one, Electrical Test Procedure starts to perform.
The present invention mainly uses constant-current discharge unit to realize rapid discharge, and can be upgraded to use multiple constant-current discharge units synchronization discharge, walk abreast to improve discharging efficiency, reduce total discharge time.
It should be noted that above-described embodiment all can independent assortment as required.The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. an electric discharge device, is characterized in that, comprises constant-current discharge unit and control module;
Described constant-current discharge unit connects measured device;
Described control module is connected with described constant-current discharge unit, exports the electricity of measured device for the described constant-current discharge unit of control after measured device test terminates with the discharge current value of a constant size.
2. electric discharge device as claimed in claim 1, is characterized in that:
Described constant-current discharge unit is multiple; Described multiple constant-current discharge unit is in parallel.
3. electric discharge device as claimed in claim 1, is characterized in that:
Described control module specifically comprises processor and the digital to analog converter be connected with described processor respectively and analog to digital converter.
4. electric discharge device as claimed in claim 3, is characterized in that:
Described processor is used for the output voltage being obtained described measured device by described analog to digital converter, and determines the discharge current value of described constant-current discharge unit according to described output voltage.
5. electric discharge device as claimed in claim 4, is characterized in that:
Described processor is also for controlling described constant-current discharge unit with the electricity of described discharge current value output measured device by described digital to analog converter.
6. electric discharge device as claimed in claim 5, is characterized in that:
Described processor also for the output voltage by described analog to digital converter Real-Time Monitoring measured device, and when described output voltage is lower than preset value, controls described constant-current discharge unit and stops electric discharge.
7. a test macro, comprises switching motherboard, tester and power supply unit, and described tester connects measured device by described switching motherboard, characterized by further comprising the electric discharge device described in the claims 1-6 any one; Described electric discharge device is connected with described tester, for exporting the electricity of measured device at the end of described tester test measured device with the discharge current value of constant size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510494717.0A CN105137228B (en) | 2015-09-11 | 2015-09-11 | A kind of electric discharge device and the test system comprising the electric discharge device |
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| CN201510494717.0A CN105137228B (en) | 2015-09-11 | 2015-09-11 | A kind of electric discharge device and the test system comprising the electric discharge device |
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| CN105137228A true CN105137228A (en) | 2015-12-09 |
| CN105137228B CN105137228B (en) | 2017-12-19 |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1189106A (en) * | 1997-09-08 | 1999-03-30 | Central Res Inst Of Electric Power Ind | Multi-stage charging method/device for secondary battery |
| JP4014112B1 (en) * | 2006-09-20 | 2007-11-28 | 株式会社パワーシステム | Capacitor module characteristic inspection device |
| CN201007738Y (en) * | 2007-03-07 | 2008-01-16 | 来万刚 | Battery electric quantity metering display circuit device of LED lamp |
| CN201145736Y (en) * | 2008-01-21 | 2008-11-05 | 浙江超威电源有限公司 | Tester for constant current discharging load of accumulator |
| CN201637835U (en) * | 2010-03-30 | 2010-11-17 | 河南电力试验研究院 | Remote storage battery checking discharging test device |
| CN201867480U (en) * | 2010-11-25 | 2011-06-15 | 浙江三辰电器有限公司 | Intelligent storage battery discharging instrument |
| CN102565561A (en) * | 2010-12-27 | 2012-07-11 | 德律科技股份有限公司 | Testing system and discharging device thereof |
| CN202735490U (en) * | 2012-06-27 | 2013-02-13 | 安徽省临泉县嘉柏列科技有限公司 | Device for reducing residual voltage retaining time of battery test equipment |
| CN103163434A (en) * | 2013-03-07 | 2013-06-19 | 苏州科技学院 | Constant current discharging device for ultra-high voltage long cable after direct-current withstand voltage test |
| CN103412262A (en) * | 2013-07-25 | 2013-11-27 | 天津市松正电动汽车技术股份有限公司 | Battery charging and discharging testing equipment and method |
| CN104062595A (en) * | 2014-05-09 | 2014-09-24 | 超威电源有限公司 | Method for detecting failure of lead-acid storage battery |
-
2015
- 2015-09-11 CN CN201510494717.0A patent/CN105137228B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1189106A (en) * | 1997-09-08 | 1999-03-30 | Central Res Inst Of Electric Power Ind | Multi-stage charging method/device for secondary battery |
| JP4014112B1 (en) * | 2006-09-20 | 2007-11-28 | 株式会社パワーシステム | Capacitor module characteristic inspection device |
| CN201007738Y (en) * | 2007-03-07 | 2008-01-16 | 来万刚 | Battery electric quantity metering display circuit device of LED lamp |
| CN201145736Y (en) * | 2008-01-21 | 2008-11-05 | 浙江超威电源有限公司 | Tester for constant current discharging load of accumulator |
| CN201637835U (en) * | 2010-03-30 | 2010-11-17 | 河南电力试验研究院 | Remote storage battery checking discharging test device |
| CN201867480U (en) * | 2010-11-25 | 2011-06-15 | 浙江三辰电器有限公司 | Intelligent storage battery discharging instrument |
| CN102565561A (en) * | 2010-12-27 | 2012-07-11 | 德律科技股份有限公司 | Testing system and discharging device thereof |
| CN202735490U (en) * | 2012-06-27 | 2013-02-13 | 安徽省临泉县嘉柏列科技有限公司 | Device for reducing residual voltage retaining time of battery test equipment |
| CN103163434A (en) * | 2013-03-07 | 2013-06-19 | 苏州科技学院 | Constant current discharging device for ultra-high voltage long cable after direct-current withstand voltage test |
| CN103412262A (en) * | 2013-07-25 | 2013-11-27 | 天津市松正电动汽车技术股份有限公司 | Battery charging and discharging testing equipment and method |
| CN104062595A (en) * | 2014-05-09 | 2014-09-24 | 超威电源有限公司 | Method for detecting failure of lead-acid storage battery |
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| CN105137228B (en) | 2017-12-19 |
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Denomination of invention: A discharge device and a test system including the discharge device Effective date of registration: 20221204 Granted publication date: 20171219 Pledgee: Huzhou Wuxing Rural Commercial Bank Co.,Ltd. high tech Zone Green sub branch Pledgor: Huzhou YingLie Intellectual Property Operation Co.,Ltd. Registration number: Y2022330003403 |
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Date of cancellation: 20231205 Granted publication date: 20171219 Pledgee: Huzhou Wuxing Rural Commercial Bank Co.,Ltd. high tech Zone Green sub branch Pledgor: Huzhou YingLie Intellectual Property Operation Co.,Ltd. Registration number: Y2022330003403 |
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