CN107257533A - A kind of impedance triggers automated testing method - Google Patents
A kind of impedance triggers automated testing method Download PDFInfo
- Publication number
- CN107257533A CN107257533A CN201710366700.6A CN201710366700A CN107257533A CN 107257533 A CN107257533 A CN 107257533A CN 201710366700 A CN201710366700 A CN 201710366700A CN 107257533 A CN107257533 A CN 107257533A
- Authority
- CN
- China
- Prior art keywords
- test
- impedance
- measured device
- dut
- autotest
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R29/00—Monitoring arrangements; Testing arrangements
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Abstract
Automated testing method is triggered the invention discloses a kind of impedance, utilize the test circuit in test equipment, and autotest built in the test software of computer, whether test equipment is accessed by autotest and test circuit automatic decision measured device, to realize the purpose tested automatically, test circuit is communicated to connect with test software, the test circuit is in series by the access interface of AC power, resistance and measured device, the measured device is connected in test process with the access interface of measured device, and measured device is in series with a resistor.A kind of impedance triggering automated testing method of the present invention, test is accurate, while testing the impedance of measured device, just can determine whether whether measured device is good by practical impedance；Test speed is fast, it is not necessary to manual intervention, and manual intervention is only needed in the case where measured device is not accessed accurately, and automation starts test software, greatlys save the testing time, improve testing efficiency, save testing cost.
Description
【Technical field】
The present invention relates to the technical field of electroacoustical measurement, more particularly to a kind of impedance triggering automated testing method.
【Background technology】
At present, in general electroacoustical measurement method, testing process is：The tested device of access, then test is clicked on manually
The button of software interface starts test or starts test using floor push, and such method of testing causes test every time all to need
Manually to determine whether measured device connects, and test is realized by operating software, automaticity is relatively low, test operation
It is cumbersome, cause testing efficiency not high.It is cumbersome in order to solve current electroacoustical measurement method, cause testing efficiency is not high to ask
Topic, it is necessary to propose a kind of impedance triggering automated testing method, save the testing time, realize automation mechanized operation, improve product
Production efficiency.
【The content of the invention】
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, there is provided a kind of impedance triggering automatic test side
Method, it aims to solve the problem that electroacoustical measurement method is cumbersome in the prior art, the technical problem for causing testing efficiency not high.
To achieve the above object, the present invention proposes a kind of impedance triggering automated testing method, and it is based on utilizing test
Test circuit in equipment, and the built-in autotest in the test software of computer, it is automatic by autotest
Judge whether measured device accesses test equipment, to realize the purpose tested automatically, comprise the following steps：
S1, startup test software；
S2, in test software operation interface set test circuit alternating voltage VSWith circuit output impedance Res and
Impedance judges setting value；
S3, autotest detect and read the voltage V at resistance Res two endsAB, and calculated by calculation formula tested
The impedance R at device two endsDUT1；
S4, autotest timing detect and read the voltage V at resistance Res two endsAB, and calculated by calculation formula
The impedance R at measured device two endsDUT2；
The R that S5, autotest are obtained according to calculatingDUTValue is judged, if RDUT1 value judges setting value more than impedance
And RDUT2 values judge setting value less than or equal to impedance, then start test equipment, and jump to step S7, otherwise jump to step
S6；
S6, completion assignment operation, RDUT1=RDUT2；And go to step S4；
S7, autotest control test equipment are tested measured device, after the completion of current measured device test,
Autotest records test result automatically, and enters step S8；
Whether S8, inspection software press stop button, if then closing software, terminate test；If it is not, then jumping to step
S6。
Preferably, described test circuit is in series by the access interface of AC power, resistance and measured device, institute
The measured device stated is connected in test process with the access interface of measured device, and measured device is in series with a resistor.
Preferably, described test circuit is communicated to connect with test software.
Preferably, the calculation formula in described step S3, S4 is：WhereinWork as quilt
When survey device does not accurately access test equipment, I=0, RDUT=∞；When measured device accurately accesses test equipment, RDUTIt is worth and is
The practical impedance of measured device.
Preferably, the cycle of autotest timing detection is 100ms-2s in described step S4.
Beneficial effects of the present invention：Compared with prior art, a kind of impedance triggering automatic test side that the present invention is provided
Method, using the test circuit in test equipment, and the built-in autotest in the test software of computer, by examining automatically
Whether ranging sequence and test circuit automatic decision measured device access test equipment, and to realize the purpose tested automatically, test is accurate
Really；The impedance of measured device is tested simultaneously, just can determine whether whether measured device is good by the impedance of measured device；Test speed
Degree is fast, it is not necessary to manual intervention, and manual intervention is only needed in the case where measured device is not accessed accurately, and automation starts test
Software, greatlys save the testing time, improves testing efficiency, saves testing cost.
The feature and advantage of the present invention will be described in detail by embodiment combination accompanying drawing.
【Brief description of the drawings】
Fig. 1 is the flow chart that a kind of impedance of the embodiment of the present invention triggers automated testing method；
Fig. 2 is the principle schematic of the test circuit of the embodiment of the present invention.
【Embodiment】
To make the object, technical solutions and advantages of the present invention of greater clarity, below by drawings and Examples, to this
Invention is further elaborated.However, it should be understood that the specific embodiments described herein are merely illustrative of the present invention,
The scope being not intended to limit the invention.In addition, in the following description, the description to known features and technology is eliminated, to keep away
Exempt from unnecessarily to obscure idea of the invention.
Refering to Fig. 1, the embodiment of the present invention provides a kind of impedance triggering automated testing method, and it is based on utilizing test equipment
In test circuit, and the built-in autotest in the test software of computer passes through autotest automatic decision
Whether measured device accesses test equipment, and to realize the purpose tested automatically, general principle is：If not accessing measured device,
Testing impedance value will be infinitely great, measured if correct access can be set by the user in certain value, software certain value as judge according to
According to, then using an impedance it is descending and by setting value be used as once effectively access, described test circuit and test software
Communication connection, described test circuit is in series by the access interface of AC power, resistance and measured device, and described is tested
Device is connected in test process with the access interface of measured device, and measured device is in series with a resistor, comprises the following steps：
S1, startup test software.
S2, in test software operation interface set test circuit alternating voltage VSWith circuit output impedance Res and
Impedance judges setting value.
S3, autotest detect and read the voltage V at resistance Res two endsAB, and calculated by calculation formula tested
The impedance R at device two endsDUT1。
S4, autotest timing detect and read the voltage V at resistance Res two endsAB, and calculated by calculation formula
The impedance R at measured device two endsDUT2, the cycle of autotest timing detection is 100ms-2s.
Wherein, calculation formula is：WhereinWhen measured device, accurately access test is not set
When standby, I=0, RDUT=∞；When measured device accurately accesses test equipment, RDUTIt is worth the practical impedance for measured device.
With reference to Fig. 2, it is known that alternating voltage VS, resistance output impedance Res, autotest gathers with certain cycle
The voltage V of AB two ends (i.e. resistance two ends)AB, according to Ohm's law, pass through VS、Res、VABCalculate measured device two ends
Impedance RDUT：
Electric current
If measured device is not accessed, electric current I=0, RDUT=∞；
If measured device is accessed, actual R can be calculatedDUT, start test.
The R that S5, autotest are obtained according to calculatingDUTValue is judged, if RDUT1 value judges setting value more than impedance
And RDUT2 values judge setting value less than or equal to impedance, then start test equipment, and jump to step S7, otherwise jump to step
S6。
In embodiments of the present invention, the cycle of autotest timing detection is 200ms, works as RDUTDuring=∞, quilt is represented
Survey device and do not access test equipment accurately；Work as RDUTWhen being worth the practical impedance for measured device, represent that measured device accurately accesses survey
Equipment is tried, by calculating RDUTValue just can determine whether whether measured device accurately accesses test equipment to start test equipment, it is not necessary to
It is manually operated every time, the production time is greatly shortened, production efficiency is improved.
S6, completion assignment operation, RDUT1=RDUT2；And go to step S4.
S7, autotest control test equipment are tested measured device, after the completion of current measured device test,
Autotest records test result automatically, and enters step S8.
Whether S8, inspection software press stop button, if then closing software, terminate test；If it is not, then jumping to step
S6。
A kind of impedance triggering automated testing method of the present invention, using the test circuit in test equipment, and in computer
Test software in built-in autotest, whether connect by autotest and test circuit automatic decision measured device
Enter test equipment, to realize the purpose tested automatically, test is accurate；The impedance of measured device is tested simultaneously, by being tested device
The impedance of part just can determine whether whether measured device is good；Test speed is fast, it is not necessary to manual intervention, only inaccurate in measured device
Manual intervention is needed in the case of access, automation starts test software, greatlys save the testing time, improve test effect
Rate, saves testing cost.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modification, equivalent substitution or improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (5)
1. a kind of impedance triggers automated testing method, it is based on using the test circuit in test equipment, and in computer
Whether built-in autotest, test equipment is accessed by autotest automatic decision measured device in test software,
To realize the purpose tested automatically, it is characterised in that：Comprise the following steps：
S1, startup test software；
S2, in test software operation interface set test circuit alternating voltage VSSentence with circuit output impedance Res and impedance
Disconnected setting value；
S3, autotest detect and read the voltage V at resistance Res two endsAB, and measured device is calculated by calculation formula
The impedance R at two endsDUT1；
S4, autotest timing detect and read the voltage V at resistance Res two endsAB, and calculated by calculation formula tested
The impedance R at device two endsDUT2；
The R that S5, autotest are obtained according to calculatingDUTValue is judged, if RDUT1 value more than impedance judge setting value and
RDUT2 values judge setting value less than or equal to impedance, then start test equipment, and jump to step S7, otherwise jump to step S6；
S6, completion assignment operation, RDUT1=RDUT2；And go to step S4；
S7, autotest control test equipment are tested measured device, after the completion of current measured device test, automatically
Detection program records test result automatically, and enters step S8；
Whether S8, inspection software press stop button, if then closing software, terminate test；If it is not, then jumping to step S6.
2. a kind of impedance triggering automated testing method as claimed in claim 1, it is characterised in that：Described test circuit by
The access interface of AC power, resistance and measured device is in series, described measured device in test process with tested device
The access interface connection of part, and measured device is in series with a resistor.
3. a kind of impedance triggering automated testing method as claimed in claim 1, it is characterised in that：Described test circuit with
Test software is communicated to connect.
4. a kind of impedance triggering automated testing method as claimed in claim 1, it is characterised in that：Described step S3, S4
In calculation formula be：WhereinWhen measured device does not accurately access test equipment, I=
0, RDUT=∞；When measured device accurately accesses test equipment, RDUTIt is worth the practical impedance for measured device.
5. a kind of impedance triggering automated testing method as claimed in claim 1, it is characterised in that：In described step S4 certainly
The cycle of dynamic detection program timing detection is 100ms-2s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710366700.6A CN107257533B (en) | 2017-05-23 | 2017-05-23 | Impedance trigger automatic test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710366700.6A CN107257533B (en) | 2017-05-23 | 2017-05-23 | Impedance trigger automatic test method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107257533A true CN107257533A (en) | 2017-10-17 |
| CN107257533B CN107257533B (en) | 2020-02-14 |
Family
ID=60027667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710366700.6A Active CN107257533B (en) | 2017-05-23 | 2017-05-23 | Impedance trigger automatic test method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107257533B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107864442A (en) * | 2017-10-27 | 2018-03-30 | Tcl通力电子（惠州）有限公司 | Method of testing based on intelligent sound equipment, intelligent sound equipment and storage medium |
| CN112394837A (en) * | 2020-11-17 | 2021-02-23 | 德兴市恒海科技有限公司 | Automatic impedance detection method applied to panel |
| CN113625678A (en) * | 2021-06-28 | 2021-11-09 | 上海空间电源研究所 | Automatic simulation test method for port impedance |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4365119A (en) * | 1980-07-28 | 1982-12-21 | Bell Telephone Laboratories, Incorporated | Automatically adjustable bidirectional-to-unidirectional transmission network |
| US5939875A (en) * | 1997-03-17 | 1999-08-17 | Hewlett-Packard Company | Universal probe interface |
| US20050012510A1 (en) * | 2003-07-15 | 2005-01-20 | Thibedeau Dennis G. | Testing and display of electrical system impedance |
| US6876219B2 (en) * | 2002-05-03 | 2005-04-05 | Infineon Technologies Ag | Test configuration with automatic test machine and integrated circuit and method for determining the time behavior of an integrated circuit |
| CN101074976A (en) * | 2006-05-15 | 2007-11-21 | 深圳Tcl新技术有限公司 | Method and apparatus for inspecting connection status between display device and peripheral equipment |
| CN101435841A (en) * | 2007-11-16 | 2009-05-20 | 鸿富锦精密工业（深圳）有限公司 | Test system and method |
| CN201307924Y (en) * | 2008-11-14 | 2009-09-09 | 宇龙计算机通信科技(深圳)有限公司 | Earphone detecting circuit and terminal device using earphone detecting device |
| CN102590779A (en) * | 2012-03-29 | 2012-07-18 | 东莞帝佑仪器有限公司 | Connection detection device of dielectric strength tester and connection detection method thereof |
| CN106124921A (en) * | 2016-07-27 | 2016-11-16 | 江门市地尔汉宇电器股份有限公司 | A kind of charging pile connects confirmation circuit and connects confirmation method |
-
2017
- 2017-05-23 CN CN201710366700.6A patent/CN107257533B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4365119A (en) * | 1980-07-28 | 1982-12-21 | Bell Telephone Laboratories, Incorporated | Automatically adjustable bidirectional-to-unidirectional transmission network |
| US5939875A (en) * | 1997-03-17 | 1999-08-17 | Hewlett-Packard Company | Universal probe interface |
| US6876219B2 (en) * | 2002-05-03 | 2005-04-05 | Infineon Technologies Ag | Test configuration with automatic test machine and integrated circuit and method for determining the time behavior of an integrated circuit |
| US20050012510A1 (en) * | 2003-07-15 | 2005-01-20 | Thibedeau Dennis G. | Testing and display of electrical system impedance |
| CN101074976A (en) * | 2006-05-15 | 2007-11-21 | 深圳Tcl新技术有限公司 | Method and apparatus for inspecting connection status between display device and peripheral equipment |
| CN101435841A (en) * | 2007-11-16 | 2009-05-20 | 鸿富锦精密工业（深圳）有限公司 | Test system and method |
| CN201307924Y (en) * | 2008-11-14 | 2009-09-09 | 宇龙计算机通信科技(深圳)有限公司 | Earphone detecting circuit and terminal device using earphone detecting device |
| CN102590779A (en) * | 2012-03-29 | 2012-07-18 | 东莞帝佑仪器有限公司 | Connection detection device of dielectric strength tester and connection detection method thereof |
| CN106124921A (en) * | 2016-07-27 | 2016-11-16 | 江门市地尔汉宇电器股份有限公司 | A kind of charging pile connects confirmation circuit and connects confirmation method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107864442A (en) * | 2017-10-27 | 2018-03-30 | Tcl通力电子（惠州）有限公司 | Method of testing based on intelligent sound equipment, intelligent sound equipment and storage medium |
| CN107864442B (en) * | 2017-10-27 | 2021-02-05 | Tcl通力电子（惠州）有限公司 | Test method based on intelligent voice equipment, intelligent voice equipment and storage medium |
| CN112394837A (en) * | 2020-11-17 | 2021-02-23 | 德兴市恒海科技有限公司 | Automatic impedance detection method applied to panel |
| CN113625678A (en) * | 2021-06-28 | 2021-11-09 | 上海空间电源研究所 | Automatic simulation test method for port impedance |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107257533B (en) | 2020-02-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107257533A (en) | A kind of impedance triggers automated testing method | |
| CN103033667B (en) | Current measurement device and method | |
| CN103197171A (en) | Evaluation method for paper oil insulation aging state through characteristic parameters based on time domain dielectric response | |
| CN105182126B (en) | Improved distribution transformer energy efficiency metering detection method | |
| CN104062618A (en) | Verification method for on-line monitoring device of double-signal-source capacitive equipment | |
| CN114200381B (en) | Intelligent ammeter reliability detection system and method | |
| CN104569673B (en) | Test circuit, method and apparatus | |
| CN203299318U (en) | Short-circuit detection apparatus for battery core | |
| CN105823576A (en) | NTC thermistor response time test device and test method | |
| CN203688599U (en) | Four-wire test fixture | |
| CN104615060B (en) | A kind of switch quantity acquisition circuit and its acquisition method for directly adopting straight jump | |
| CN204129151U (en) | Testing touch screen machine | |
| CN203572957U (en) | On-site meter calibration system | |
| CN105093084A (en) | Partial discharge automatic testing device | |
| CN202815193U (en) | Battery test device | |
| CN107255528A (en) | A kind of medical electrical equipment direct current winding temperature rise test device and method of testing | |
| CN104062619B (en) | Verification system for on-line monitoring device of double-signal-source capacitive equipment | |
| CN107271071B (en) | New-energy automobile permanent-magnetic synchronous motor stator temperature sensor consistency detecting method | |
| CN102565651B (en) | Method and system for testing performance of heterojunction bipolar transistor | |
| CN202748415U (en) | Automatic electric property test machine for network transformer | |
| WO2019084849A1 (en) | Method for evaluating quality of elevator parts, system, apparatus, and storage medium | |
| CN201974517U (en) | Metering detection device for earth resistance testers | |
| CN210534238U (en) | Wire and cable unit length direct current resistance measuring device | |
| CN103207216B (en) | Non-destructive testing method for sugar content in spherical fruit and device thereof | |
| CN204495909U (en) | Wide-range high-accuracy electrical resistance collection circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 310000 No. 10, Xianqiao Road, Zhongtai street, Yuhang District, Hangzhou City, Zhejiang Province Patentee after: Hangzhou Zhaohua Electronics Co.,Ltd. Address before: 310000 building 1-3, No. 31-1, Xianxing Road, Xianlin street, Yuhang District, Hangzhou City, Zhejiang Province Patentee before: CRY SOUND CO.,LTD. |
|
| CP03 | Change of name, title or address |