CN104133139A - Multifunctional PXI module integration testing instrument and testing method thereof - Google Patents
Multifunctional PXI module integration testing instrument and testing method thereof Download PDFInfo
- Publication number
- CN104133139A CN104133139A CN201410367717.XA CN201410367717A CN104133139A CN 104133139 A CN104133139 A CN 104133139A CN 201410367717 A CN201410367717 A CN 201410367717A CN 104133139 A CN104133139 A CN 104133139A
- Authority
- CN
- China
- Prior art keywords
- module
- test
- unit
- input
- control unit
- 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.)
- Pending
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention discloses a multifunctional PXI module integration testing instrument and a testing method of the multifunctional PXI module integration testing instrument. The combined instrument technology is adopted, nine common PXI instrument and meter functional modules including a digital multimeter, a digital oscilloscope, an arbitrary waveform generator, a radio frequency signal source, a radio frequency power meter, a spectrum analyzer, a modulation degree analyzer, an audio analyzer and a bus testing instrument are integrated into a small portal device. The modularization combination of various testing functions in the measuring and controlling field is achieved, various testing requirements can be met, a measuring and controlling system is reduced in size, energy consumption is reduced, and the control level is improved.
Description
Technical field
The present invention relates to the fields such as electronic equipment measurement, observing and controlling, relate in particular to a kind of multi-functional PXI module integration testing tool and method of testing thereof.
Background technology
Existing electronic equipment is measured, observing and controlling has following two kinds of modes:
1. measurement, observing and controlling common instrument have: digital multimeter, digital oscilloscope, AWG (Arbitrary Waveform Generator), radio-frequency signal source, radio-frequency power meter, spectrum analyzer, degree of modulation analyser, audio analyzer and bus tester etc., these conventionally test instruments are all autonomous devices, when use, take larger operating surface, cost is higher, operation inconvenience simultaneously.
2. be an ATE TT&C system by conventionally test instrument integrations such as digital multimeter, digital oscilloscope, AWG (Arbitrary Waveform Generator), radio-frequency signal source, radio-frequency power meter, spectrum analyzer, degree of modulation analyser, audio analyzer and bus testers, operability increases, but volume is large, cost and energy consumption all higher, uneconomical, not environmental protection.
Summary of the invention
For addressing the above problem, the invention provides a kind of multi-functional PXI module integration testing tool, comprise power module, system control unit, test adaptation unit, input and display unit, equipment under test electrical connecting unit, PXI backboard;
Described power module is for powering to whole system;
Described system control unit operation has testing software, and described testing software calls test module corresponding to test adaptation unit according to the test command of input, and the test result information receiving is processed;
The integrated some test modules of described test adaptation unit, described some test modules comprise multimeter module and/or spectrum analysis module and/or bus analysis module and/or Digital Oscillograph Module and/or random waveform generation module and/or radiofrequency signal source module; Each test module is all connected with PXI backboard by bus; Described spectrum analysis module, bus test module, multimeter module, Digital Oscillograph Module are for signal measurement, and described random wave module and radiofrequency signal source module are for signal output;
Input and display unit are used for man-machine interaction input test order, and test result after treatment system control unit is shown on display screen;
Equipment under test electrical connecting unit comprises some electrical connection interfaces, for being electrically connected of equipment under test and instrument;
Described power module, system control unit, test adaptation unit are all connected with PXI backboard; System control unit is connected with display screen;
Described PXI backboard is for the exchanges data of system.
Further, input and display unit comprise display screen and control panel, and described display screen is used for man-machine interaction input test order, and test result after treatment system control unit is shown on display screen; Described control panel comprises some buttons, for load button information; Described display screen is connected with system control unit.
Further, also comprise control circuit, described control circuit comprises keyboard circuit, power switch circuit; Described keyboard circuit, for the information of each button of control panel is converted to serial code information, is transferred to system control unit processing; Described power switch circuit is for controlling the opening and closing of complete machine power supply; Described keyboard circuit is connected with system control unit.
Further, described keyboard circuit comprises a coding chip, wave filter and peripheral electric capacity thereof, described coding chip is for being converted to serial code information by the information of each button of control panel, transfer to the processing of system control unit central controller, wave filter and peripheral electric capacity thereof are realized the filtering to input power, filtering clutter signal, avoids the interference of clutter to button.
Further, power switch circuit comprises switch drive pipe, magnetic latching relay, switch relay, described switch drive pipe is connected with magnetic latching relay, magnetic latching relay is connected with switch relay, in the time pressing power switch, switch drive pipe is in conducting state, magnetic latching relay, switch relay have electric current to flow through, complete machine electric power starting; While discharging power switch, switch drive pipe is in cut-off state, and magnetic latching relay, switch relay no current flow through, and complete machine power supply is in closed condition.
Further, also comprise fan and fan control circuitry, described fan control circuitry comprises hysteresis loop comparator and temperature regulating resistor, power supply chip, the temperature of described temperature regulating resistor for regulating starting fan and closing, power supply chip is used to fan power supply, described power supply chip has and starts/close pin, described startup/close pin to be subject to hysteresis loop comparator control.
Further, described instrument setting, by USB interface and/or Ethernet interface and/or gpib interface, realizes information interaction.
Further, also comprise housing, described housing comprises cover unit, front panel, bottom and back shroud parts, and described input and display module are arranged on front panel.
The method that above-mentioned multifunction module integration testing instrument is tested comprises the following steps:
1. equipment under test is connected with equipment under test electrical connecting unit;
2. select test module by input and display unit, and can carry out test parameter adjusting by the button of control panel as required;
3. utilize one or more test module of selecting to test equipment under test, obtain the parameters of equipment under test;
4. input and display unit show test results.
Beneficial effect of the present invention is:
The present invention adopts modular design, can realize different test functions by different combinations, meets the demand of different user; Adopt system controlling software and man-machine operation and control interface, realize the manipulation to each functional module.The present invention has realized the modular combination of the multiple test function of measurement, measurement and control area, can meet various testing requirements, makes to measure, TT&C system reduced volume, reduced energy consumption, improved manipulation level.
Brief description of the drawings
Fig. 1 is module principle figure of the present invention.
Fig. 2 is keyboard circuit schematic diagram.
Fig. 3 is power on-off control circuit schematic diagram.
Fig. 4 is structural representation of the present invention.
Fig. 5 is fan control circuitry schematic diagram.
Embodiment
Design concept of the present invention is: adopt synthetic instrument technology, 9 kinds of conventional PXI instrument and meter functional modules such as digital multimeter, digital oscilloscope, AWG (Arbitrary Waveform Generator), radio-frequency signal source, radio-frequency power meter, spectrum analyzer, degree of modulation analyser, audio analyzer and bus tester are integrated into a miniature portable equipment.
Below technical solution of the present invention is elaborated.
As shown in Figure 1, the present invention includes housing and be positioned at power module, system control unit, test adaptation unit, input and display unit, control circuit, the PXI backboard of housing, be arranged on the equipment under test electrical connecting unit on housing.
Described power module is for powering to whole system.
Described system control unit operation has testing software, and described testing software calls test module corresponding to test adaptation unit according to the test command of input, and the test result information receiving is processed.
Input and display unit are used for man-machine interaction input test order, and test result after treatment system control unit is shown on display screen.This element comprises display screen and control panel, and described display screen is used for man-machine interaction input test order, and test result after treatment system control unit is shown on display screen; Described control panel comprises some buttons, for load button information; Described display screen is connected with system control unit.Certainly, this element can be also touch-screen.
The integrated some test modules of described test adaptation unit, the integrated some test modules of described test adaptation unit, described some test modules comprise multimeter module and/or spectrum analysis module and/or bus analysis module and/or Digital Oscillograph Module and/or random waveform generation module and/or radiofrequency signal source module; Each test module is all connected with PXI backboard by bus; Described spectrum analysis module, bus test module, multimeter module, Digital Oscillograph Module are for signal measurement, and described random wave module and radiofrequency signal source module are for signal output.
Between each test module, carry out Power supply and information interaction by PXI bus, realize between test module and the interconnection and interflow of test module and control panel by the communications cable.Described spectrum analysis module (can carry out frequency measurement, power measurement, degree of modulation analysis, spectrum analysis, audio analysis), bus test module, multimeter module (can carry out voltage, electric current, resistance measurement), oscillograph module are for signal measurement, and described random wave module (comprising digital signal generator, waveform generator) is exported for signal with radiofrequency signal source module (comprising tone signal, AM modulation, PM modulation, FM modulation, pulsed modulation).Each test module is all optional above, and user can match partly or entirely as required.
Described control circuit comprises keyboard circuit, power switch circuit.Described keyboard circuit, for the information of each button of control panel is converted to serial code information, is transferred to system control unit processing; Described power switch circuit is for controlling the opening and closing of complete machine power supply; Described keyboard circuit is connected with system control unit.Equipment under test electrical connecting unit comprises some electrical connection interfaces, for being electrically connected of equipment under test and instrument.As shown in Figure 2, coding chip U1 is acp chip to keyboard circuit schematic diagram, and Main Function is that the information of each button of control panel is converted to serial code information, transfers to system control unit processing.Wave filter FL1 and peripheral electric capacity thereof are realized the filtering to input power, and filtering clutter signal is avoided the interference of clutter to button.
As shown in Figure 3, Q1 is switch drive pipe to power switch circuit schematic diagram, and U5 is magnetic latching relay, and U3 is switch relay.Described switch drive pipe Q1 is connected with magnetic latching relay U5, and magnetic latching relay U5 is connected with switch relay U3, if press power switch, Q1 is in conducting state, K1, the K2 end of U5 has electric current to flow through, and this electric current flows through U3 equally, is realized the unlatching of complete machine power supply by U3.While discharging power switch, Q1 is in cut-off state, and the K1 of U5, K2 end no current flows through, and 1 pin of this U3 and 8 pin also no current flow through, and control complete machine power supply in closed condition by U3.
Equipment under test electrical connecting unit comprises some electrical connection interfaces, for being electrically connected of equipment under test and instrument.These electrical connection interfaces are all arranged on housing outer surface.
Described power module, system control unit, each test module of test adaptation unit are all connected with PXI backboard; System control unit is connected with display screen, keyboard circuit.
Described PXI backboard is for the exchanges data of instrument.
PXI backboard is connected with power module, system control unit, test adaptation unit by bus, and described system control unit is connected with keyboard circuit, display screen by VGA, USB.
As shown in Figure 4, housing comprises following parts: cover unit, front panel, bottom, fan component, ventilating part and back shroud parts, and casing structure adopts Portable Reinforced design, and casing adopts heat loss through convection, adopt the manufacture of fine aluminum alloy, whole equipment is light.
Preferably, the present invention also comprises fan and fan control circuitry.As shown in Figure 5, U4 is acp chip to fan control circuitry schematic diagram, forms hysteresis loop comparator by U4 and peripheral circuit, and R15 is temperature regulating resistor, regulates this resistance by the temperature that changes starting fan and close.U2 is the power supply chip for fan power supply, and U2 the 5th pin is the startup/close pin of power supply, is subject to the output voltage control of U4, and powered-down during for low level, starts power supply conversion during for high level.Preferred, be provided with ventilating part in the present invention bottom, described ventilating part and fan cooperating, play better thermolysis.
The present invention also arranges USB interface, Ethernet interface or gpib interface, realizes the information interaction with external unit.
Below using method of the present invention is described.
Step 1: equipment under test is connected with equipment under test electrical connecting unit;
Step 1: select test module by input and display unit, and can carry out test parameter adjusting by the button of control panel as required;
Step 3: utilize one or more test module of selecting to test equipment under test, obtain the parameters of equipment under test;
Step 4: input and display unit show test results;
Step 5: carry out as required result printing or information interaction.
Beneficial effect of the present invention is:
The present invention adopts modular design, can realize different test functions by different combinations, meets the demand of different user; Adopt system controlling software and man-machine operation and control interface, realize the manipulation to each functional module.The present invention has realized the modular combination of the multiple test function of measurement, measurement and control area, can meet various testing requirements, makes to measure, TT&C system reduced volume, reduced energy consumption, improved manipulation level.
Claims (9)
1. a multi-functional PXI module integration testing tool, is characterized in that, comprises power module, system control unit, test adaptation unit, input and display unit, equipment under test electrical connecting unit, PXI backboard;
Described power module is for powering to whole system;
Described system control unit operation has testing software, and described testing software calls test module corresponding to test adaptation unit according to the test command of input, and the test result information receiving is processed;
The integrated some test modules of described test adaptation unit, described some test modules comprise multimeter module and/or spectrum analysis module and/or bus analysis module and/or Digital Oscillograph Module and/or random waveform generation module and/or radiofrequency signal source module; Each test module is all connected with PXI backboard by bus; Described spectrum analysis module, bus test module, multimeter module, Digital Oscillograph Module are for signal measurement, and described random wave module and radiofrequency signal source module are for signal output;
Input and display unit are used for man-machine interaction input test order, and test result after treatment system control unit is shown on display screen;
Equipment under test electrical connecting unit comprises some electrical connection interfaces, for being electrically connected of equipment under test and instrument;
Described power module, system control unit, each test module of test adaptation unit are all connected with PXI backboard; System control unit is connected with display screen;
Described PXI backboard is for the exchanges data of system.
2. multifunction module integration testing instrument as claimed in claim 1, it is characterized in that, input and display unit comprise display screen and control panel, and described display screen is used for man-machine interaction input test order, and test result after treatment system control unit is shown on display screen; Described control panel comprises some buttons, for load button information; Described display screen is connected with system control unit.
3. multifunction module integration testing instrument as claimed in claim 2, is characterized in that, also comprise control circuit, described control circuit comprises keyboard circuit, power switch circuit; Described keyboard circuit, for the information of each button of control panel is converted to serial code information, is transferred to system control unit processing; Described power switch circuit is for controlling the opening and closing of complete machine power supply; Described keyboard circuit is connected with system control unit.
4. multifunction module integration testing instrument as claimed in claim 3, it is characterized in that, described keyboard circuit comprises a coding chip, wave filter and peripheral electric capacity thereof, described coding chip is for being converted to serial code information by the information of each button of control panel, transfer to the processing of system control unit central controller, wave filter and peripheral electric capacity thereof are realized the filtering to input power, and filtering clutter signal is avoided the interference of clutter to button.
5. multifunction module integration testing instrument as claimed in claim 3, it is characterized in that, power switch circuit comprises switch drive pipe, magnetic latching relay, switch relay, described switch drive pipe is connected with magnetic latching relay, magnetic latching relay is connected with switch relay, in the time pressing power switch, switch drive pipe is in conducting state, and magnetic latching relay, switch relay have electric current to flow through, the unlatching of complete machine power supply; While discharging power switch, switch drive pipe is in cut-off state, and magnetic latching relay, switch relay no current flow through, and complete machine power supply is in closed condition.
6. multifunction module integration testing instrument as claimed in claim 1, it is characterized in that, also comprise fan and fan control circuitry, described fan control circuitry comprises hysteresis loop comparator and temperature regulating resistor, power supply chip, the temperature of described temperature regulating resistor for regulating starting fan and closing, power supply chip is used to fan power supply, described power supply chip to have to start/close pin, described startup/close pin to be subject to hysteresis loop comparator control.
7. multifunction module integration testing instrument as claimed in claim 1, is characterized in that, described instrument setting, by USB interface and/or Ethernet interface and/or gpib interface, realizes information interaction.
8. multifunction module integration testing instrument as claimed in claim 1, is characterized in that, also comprises housing, and described housing comprises cover unit, front panel, bottom and back shroud parts, and described input and display module are arranged on front panel.
9. application rights requires the method that in 1～8, the multifunction module integration testing instrument described in any one is tested, and it is characterized in that, described method of testing comprises:
Equipment under test is connected with equipment under test electrical connecting unit;
Select test module by input and display unit, and can carry out test parameter adjusting by the button of control panel as required;
Utilize one or more test module of selecting to test equipment under test, obtain the parameters of equipment under test;
Input and display unit show test results.
?
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410367717.XA CN104133139A (en) | 2014-07-30 | 2014-07-30 | Multifunctional PXI module integration testing instrument and testing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410367717.XA CN104133139A (en) | 2014-07-30 | 2014-07-30 | Multifunctional PXI module integration testing instrument and testing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104133139A true CN104133139A (en) | 2014-11-05 |
Family
ID=51805886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410367717.XA Pending CN104133139A (en) | 2014-07-30 | 2014-07-30 | Multifunctional PXI module integration testing instrument and testing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104133139A (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106353547A (en) * | 2015-07-13 | 2017-01-25 | 罗德施瓦兹两合股份有限公司 | Electronic measurement device and method for operating an electronic measurement device |
| CN106571267A (en) * | 2016-06-12 | 2017-04-19 | 吉林建筑大学 | Driving method of multiple magnetic latching relays |
| WO2017190264A1 (en) * | 2016-05-03 | 2017-11-09 | 浙江大学 | Spliced and folded modular instrument bus device |
| CN107548008A (en) * | 2017-08-15 | 2018-01-05 | 怀集县正华电器有限公司 | A kind of sound equipment tester |
| CN107576838A (en) * | 2017-09-12 | 2018-01-12 | 江西洪都航空工业集团有限责任公司 | A kind of parallel differential data acquisition device and collecting method |
| CN108776295A (en) * | 2018-06-06 | 2018-11-09 | 北京中航科电测控技术股份有限公司 | A kind of efficient ETAP automatization test systems |
| US10309990B2 (en) | 2016-09-20 | 2019-06-04 | Rohde & Schwarz Gmbh & Co. Kg | Measuring and analyzing device as well as method for measuring and analyzing signals |
| WO2019140680A1 (en) * | 2018-01-22 | 2019-07-25 | 深圳市汇顶科技股份有限公司 | Test card and test system |
| CN111258836A (en) * | 2020-03-02 | 2020-06-09 | 浙江万里学院 | Multifunctional vehicle bus consistency testing device and method |
| CN111505429A (en) * | 2020-06-03 | 2020-08-07 | 北京博电新力电气股份有限公司 | Super capacitor detection device |
| CN112485701A (en) * | 2020-11-25 | 2021-03-12 | 国营芜湖机械厂 | Universal switching adapter plate for testing DC/DC power supply module and testing method thereof |
| KR20210142813A (en) * | 2020-05-19 | 2021-11-26 | 주식회사 넥시스 | Hardware-dedicated test system |
| CN114325304A (en) * | 2021-11-24 | 2022-04-12 | 国营芜湖机械厂 | Universal detection device and detection method for airborne radio frequency circuit board |
| CN114814443A (en) * | 2022-06-29 | 2022-07-29 | 陕西中测智能科技有限公司 | Multifunctional detection system for electric heating belt of heat preservation pipe |
| CN116125960A (en) * | 2023-03-27 | 2023-05-16 | 中国人民解放军32181部队 | Comprehensive verification equipment of motor-driven calibration vehicle |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201133917Y (en) * | 2007-10-12 | 2008-10-15 | 陕西海泰电子有限责任公司 | Portable multifunctional universal tester |
| CN201303447Y (en) * | 2008-10-29 | 2009-09-02 | 杭州鸿雁智能科技有限公司 | Multi-control electronic switch |
| CN101603979A (en) * | 2008-06-11 | 2009-12-16 | 东莞理工学院 | Embedded computer electrometric integrated instrument |
| CN201556105U (en) * | 2009-10-19 | 2010-08-18 | 中兴通讯股份有限公司 | Self temperature-reducing circuit for wireless terminal |
| CN202092673U (en) * | 2010-12-31 | 2011-12-28 | 成都天奥测控技术有限公司 | Portable test platform device based on PXI bus |
| CN202494757U (en) * | 2012-02-28 | 2012-10-17 | 常州天合光能有限公司 | Device for testing intelligent assembly |
| CN202904367U (en) * | 2012-06-12 | 2013-04-24 | 湖北三江航天红峰控制有限公司 | A testing system based on a PXI bus |
| CN203204533U (en) * | 2012-05-15 | 2013-09-18 | 北京泛华恒兴科技有限公司 | PXI (PCI eXtensions for Instrumentation) heat dissipation computer case and PXI testing system |
| CN103389784A (en) * | 2012-05-10 | 2013-11-13 | 北京泛华恒兴科技有限公司 | Portable PXI (PCI eXtensions for Instrumentation) case and portable PXI test system |
| CN103414529A (en) * | 2013-08-26 | 2013-11-27 | 华北计算技术研究所 | Universal automatic testing and fault diagnosis system |
| CN103454522A (en) * | 2013-08-08 | 2013-12-18 | 中国人民解放军总装备部军械技术研究所 | Electronic replacement part technology state automatic detection system and method based on PXI bus |
-
2014
- 2014-07-30 CN CN201410367717.XA patent/CN104133139A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201133917Y (en) * | 2007-10-12 | 2008-10-15 | 陕西海泰电子有限责任公司 | Portable multifunctional universal tester |
| CN101603979A (en) * | 2008-06-11 | 2009-12-16 | 东莞理工学院 | Embedded computer electrometric integrated instrument |
| CN201303447Y (en) * | 2008-10-29 | 2009-09-02 | 杭州鸿雁智能科技有限公司 | Multi-control electronic switch |
| CN201556105U (en) * | 2009-10-19 | 2010-08-18 | 中兴通讯股份有限公司 | Self temperature-reducing circuit for wireless terminal |
| CN202092673U (en) * | 2010-12-31 | 2011-12-28 | 成都天奥测控技术有限公司 | Portable test platform device based on PXI bus |
| CN202494757U (en) * | 2012-02-28 | 2012-10-17 | 常州天合光能有限公司 | Device for testing intelligent assembly |
| CN103389784A (en) * | 2012-05-10 | 2013-11-13 | 北京泛华恒兴科技有限公司 | Portable PXI (PCI eXtensions for Instrumentation) case and portable PXI test system |
| CN203204533U (en) * | 2012-05-15 | 2013-09-18 | 北京泛华恒兴科技有限公司 | PXI (PCI eXtensions for Instrumentation) heat dissipation computer case and PXI testing system |
| CN202904367U (en) * | 2012-06-12 | 2013-04-24 | 湖北三江航天红峰控制有限公司 | A testing system based on a PXI bus |
| CN103454522A (en) * | 2013-08-08 | 2013-12-18 | 中国人民解放军总装备部军械技术研究所 | Electronic replacement part technology state automatic detection system and method based on PXI bus |
| CN103414529A (en) * | 2013-08-26 | 2013-11-27 | 华北计算技术研究所 | Universal automatic testing and fault diagnosis system |
Non-Patent Citations (2)
| Title |
|---|
| 张旭涛 等: "《单片机原理与应用》", 31 August 2013, 北京理工大学出版社 * |
| 王苏敬 等: "基于虚拟仪器的电路板单板测试系统", 《铁道机车车辆》 * |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106353547A (en) * | 2015-07-13 | 2017-01-25 | 罗德施瓦兹两合股份有限公司 | Electronic measurement device and method for operating an electronic measurement device |
| WO2017190264A1 (en) * | 2016-05-03 | 2017-11-09 | 浙江大学 | Spliced and folded modular instrument bus device |
| CN106571267A (en) * | 2016-06-12 | 2017-04-19 | 吉林建筑大学 | Driving method of multiple magnetic latching relays |
| US10309990B2 (en) | 2016-09-20 | 2019-06-04 | Rohde & Schwarz Gmbh & Co. Kg | Measuring and analyzing device as well as method for measuring and analyzing signals |
| CN107548008A (en) * | 2017-08-15 | 2018-01-05 | 怀集县正华电器有限公司 | A kind of sound equipment tester |
| CN107576838A (en) * | 2017-09-12 | 2018-01-12 | 江西洪都航空工业集团有限责任公司 | A kind of parallel differential data acquisition device and collecting method |
| WO2019140680A1 (en) * | 2018-01-22 | 2019-07-25 | 深圳市汇顶科技股份有限公司 | Test card and test system |
| CN108776295A (en) * | 2018-06-06 | 2018-11-09 | 北京中航科电测控技术股份有限公司 | A kind of efficient ETAP automatization test systems |
| CN111258836A (en) * | 2020-03-02 | 2020-06-09 | 浙江万里学院 | Multifunctional vehicle bus consistency testing device and method |
| CN111258836B (en) * | 2020-03-02 | 2024-01-23 | 浙江万里学院 | Multifunctional vehicle bus consistency testing device and method |
| KR20210142813A (en) * | 2020-05-19 | 2021-11-26 | 주식회사 넥시스 | Hardware-dedicated test system |
| KR102344305B1 (en) * | 2020-05-19 | 2021-12-29 | 주식회사 넥시스 | Hardware-dedicated test system |
| CN111505429A (en) * | 2020-06-03 | 2020-08-07 | 北京博电新力电气股份有限公司 | Super capacitor detection device |
| CN112485701A (en) * | 2020-11-25 | 2021-03-12 | 国营芜湖机械厂 | Universal switching adapter plate for testing DC/DC power supply module and testing method thereof |
| CN114325304A (en) * | 2021-11-24 | 2022-04-12 | 国营芜湖机械厂 | Universal detection device and detection method for airborne radio frequency circuit board |
| CN114814443A (en) * | 2022-06-29 | 2022-07-29 | 陕西中测智能科技有限公司 | Multifunctional detection system for electric heating belt of heat preservation pipe |
| CN116125960A (en) * | 2023-03-27 | 2023-05-16 | 中国人民解放军32181部队 | Comprehensive verification equipment of motor-driven calibration vehicle |
| CN116125960B (en) * | 2023-03-27 | 2023-11-28 | 中国人民解放军32181部队 | Comprehensive verification equipment of motor-driven calibration vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104133139A (en) | Multifunctional PXI module integration testing instrument and testing method thereof | |
| CN105510763B (en) | Ic pin test device | |
| CN111142008B (en) | Circuit board power parameter testing system and method | |
| CN104215860A (en) | Portable automated testing device and working method thereof | |
| KR100603861B1 (en) | A system for the electric experiment | |
| CN109901089B (en) | Calibration system of digital unit tester | |
| CN105954623B (en) | A kind of regulating and measuring system and its test method of universal frequency source class plug-in unit | |
| CN211878121U (en) | Circuit board power parameter testing equipment and system | |
| US6094624A (en) | Electronic test facility | |
| CN206990690U (en) | Low frequency noise measurement device | |
| CN107179451A (en) | Integrated low frequency noise measurement device | |
| CN104871020A (en) | An electronic load module and a method and a system therefor | |
| CN201403121Y (en) | Cell phone with universal meter | |
| CN209691190U (en) | A kind of integrated virtual instrument based on digital-to-analog circuit experiment | |
| CN210514572U (en) | Test instrument with quick-charging test voltage conversion and electronic load | |
| CN207689657U (en) | Buckle type single-phase electric energy meter on-site calibration instrument | |
| CN116500484A (en) | Multichannel programmable power analysis system | |
| CN108508378A (en) | A kind of test method and system of power initiation characteristic | |
| Ji et al. | The design of data acquisition system based on virtual instrument | |
| CN211478919U (en) | Optical module testing arrangement | |
| CN211123024U (en) | PCB branch current detection device and PCB detection system | |
| CN108008345A (en) | Buckle type single-phase electric energy meter on-site calibration instrument | |
| CN210181590U (en) | MCU parameter testing system | |
| Sundaramurthy et al. | Design and implementation of reconfigurable virtual instruments using Raspberry Pi core | |
| CN106443460A (en) | Power supply management device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141105 |