CN101968519A - Electric control reliability automatic testing device - Google Patents
Electric control reliability automatic testing device Download PDFInfo
- Publication number
- CN101968519A CN101968519A CN2009101819508A CN200910181950A CN101968519A CN 101968519 A CN101968519 A CN 101968519A CN 2009101819508 A CN2009101819508 A CN 2009101819508A CN 200910181950 A CN200910181950 A CN 200910181950A CN 101968519 A CN101968519 A CN 101968519A
- Authority
- CN
- China
- Prior art keywords
- voltage
- control section
- automatically controlled
- electric
- power
- 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
Images
Abstract
The invention discloses an electric control reliability automatic testing device, which integrates a voltage interrupt simulation, a voltage fluctuation simulation and a load impact together and has the advantages of high reliability and convenient operation. Through the control of a core control part, mains voltage fluctuation simulation is realized by switching power-on of at least three paths of power supply voltages; a power supply of a system power supply part is detected in real time by a mains power-down detection part, a detected signal is transmitted to the core control part, and the core control part receives the detected signal and then stores current test data; when power failure occurs in, because the core control part stores the test data in real time, the testing device automatically restores and works when power is supplied again to realize an unattended intelligent test; voltage sag and load impact time can be randomly set through an electric panel; the voltage fluctuation time and a voltage combination mode can be randomly set; the expansion mode is good; and the testing device is convenient for maintenance because of integral design.
Description
Technical field
The present invention relates to a kind of testing apparatus, especially a kind of automatically controlled board test apparatus.
Background technology
Along with economic development, people are more and more higher for the quality requirements of electric equipment products, and are particularly strict especially to the checking of life of product.The equipment of life-span checking mainly is made up of climatic chamber, voltage fluctuation analog machine and automatically controlled dynamic simulation tester at present.
The effect of voltage fluctuation analog machine is: simulation during mains fluctuation to the influence of automatically controlled plate work.Principle of work is: utilize three pressure regulators and three time relays to do regularly order and switch input voltage, reach the purpose that the simulation mains fluctuation changes.Its major defect is: the cost height, and voltage fluctuation is non-adjustable interval time, can't display voltage cycle of fluctuation and magnitude of voltage, so be that order switching simulate effect is bad because of changing voltage;
The effect of automatically controlled dynamic simulation tester is: simulation is manually done the function blocked operation to automatically controlled plate, and whether be implemented in the life-span proof procedure each function intact.Principle of work is: do machine open/close or function blocked operation by two automatically controlled plates of time relay timing controlled.Its major defect is: control is than unicity, can't displayed record to the number of operations of automatically controlled plate, and no-voltage interrupts and the electric voltage dropping function, and voltage fluctuation separates test with automatically controlled dynamic similation, has both reduced tester's work efficiency, has increased testing cost again.
Summary of the invention
In order to overcome above-mentioned defective, the invention provides a kind of automatically controlled fiduciary level ATE (automatic test equipment), voltage interruption can be simulated, voltage fluctuation simulation and load shock combine, the reliability height, easy to operate.
The present invention for the technical scheme that solves its technical matters and adopt is:
A kind of automatically controlled fiduciary level ATE (automatic test equipment), system's power pack is powered to equipment, comprises core control section, voltage fluctuation simulation part, data display unit, load shock control section, total regularly part, civil power detection of power loss part and electric-control system operation control section;
Described core control section is by system's power pack power supply;
Described voltage fluctuation simulation part branch comprises multiple power supplies voltage segment and multichannel selection input and self-locking module, described multiple power supplies voltage segment comprises three-way power voltage at least, this multiple power supplies voltage segment selects input and self-locking module to select connection arbitrary road supply voltage wherein through multichannel, and described multichannel selects input and self-locking module to be controlled by the core control section;
Described data display unit comprises electric current and voltage display part, clock and cycle index display part and the automatically controlled number of times of load display part, transfers to total timing part after multichannel selects input and self-locking module to select the road voltage source connected through electric current and voltage display part display voltage value and current value; Clock is electrically connected clock and cycle index display part circulation demonstration work T.T. and voltage fluctuation number of times respectively with cycle index display part and the automatically controlled number of times of load display part with the core control section; The circulation of the automatically controlled number of times of load display part shows load shock number of times and voltage interruption number of times.
Described total timing partly is messaging in electric-control system operation control section, electric-control system operation control section is controlled by the core control section, this electric-control system operation control section is messaging in the load shock control section, this load shock control section is controlled by the core control section, the load shock control section carries out the function switch test to automatically controlled plate, automatically controlled plate is electrically connected with electric-control system operation control section, electric-control system operation control section carries out the testing sequence management to automatically controlled plate, to low supply voltage, and be messaging in the load shock control section as: high power supply voltage; The load shock control section is done the load shock test to automatically controlled plate, and automatically controlled plate is carried out the function blocked operation, as: the high/low speed switching of range hood and the ON/OFF of illuminating lamp etc.; Total regularly part presses the setting-up time interval interrupt and conducting selects input and self-locking module to select the road voltage source of connecting through multichannel, simulates the civil power burst with this and has a power failure.
Described civil power detection of power loss partly is messaging in the core control section, civil power detection of power loss part is surveyed the real-time frame of the power supply of system's power pack, and the signal that frame is surveyed transfers to the core control section, the core control section is received after frame is surveyed signal and is preserved current each test data, when running into power failure, because the core control section preserves test data in real time, equipment recovers automatically and enters work when treating to send a telegram here once more, realizes the unattended intelligent test.
As a further improvement on the present invention: be provided with first and second cycle control module, the described first cycle control module is messaging in the load shock control section, and the first cycle control module is messaging in the load shock control section and makes it carry out the function blocked operation to automatically controlled plate by setting-up time; The described second cycle control module is messaging in electric-control system operation control section, and the second cycle control module is messaging in electric-control system operation control section and assists it to carry out the testing sequence management by setting-up time.
As a further improvement on the present invention: be provided with automatically and the manual mode handover module this working method automatic and manual mode handover module setting core control section.
As a further improvement on the present invention: be provided with an electric-control board, this electric-control board is provided with general supply display lamp, at least three supply voltage pilot lamp, first and second three charactron display boards, first and second six charactron display boards, power switch and start buttons;
Described the one or three charactron display board display voltage value, described the two or three charactron display board shows current value; Described electric current and voltage display part comprises voltage table, reometer and first and second three charactron display boards, the one or three the corresponding electrical connection with voltage table of charactron display board, the two or three the corresponding electrical connection with reometer of charactron display board;
Described the one or six charactron display board circulation demonstration work T.T. and voltage fluctuation number of times, described clock and cycle index display part comprise the one or six charactron display board; Described the two or six charactron display board circulation shows load shock number of times and voltage interruption number of times, and the automatically controlled number of times of described load display part comprises the two or six charactron display board;
Described general supply display lamp indication mechanism power supply connection situation;
Situation is connected in the selection of the corresponding respectively indication multiple power supplies of described at least three supply voltage pilot lamp voltage segment;
Described power switch is connected and the system of cut-out power pack;
Described start button opening device operation.
Also be provided with two groups of buttons on the described electric-control board, every group of button is provided with five buttons, these five buttons are respectively: button, selector button, switching push button are set, add button and subtract button, in order to each setting-up time to be set, as voltage interruption time, load shock time and voltage fluctuation time etc.;
As a further improvement on the present invention: described electric-control board is provided with the automatic/hand selector switch, the automatic and manual mode handover module of this automatic/hand selector switch control.
As a further improvement on the present invention: also be provided with a lighting device, described electric-control board is provided with lighting button, and described lighting button can start lighting device lighting, the convenient for maintaining illumination.
As a further improvement on the present invention: the core control section is a core control circuit of using computer microprocessor.
As a further improvement on the present invention: described computer microprocessor is the 16F877 single-chip microcomputer.
The invention has the beneficial effects as follows: voltage interruption simulation, voltage fluctuation simulation and load shock are combined, the reliability height, easy to operate.By the control of core control section, connect by the exchange of three-way power voltage at least and to realize the mains fluctuation simulation; By civil power detection of power loss part the real-time frame of the power supply of system's power pack is surveyed, and the signal that frame is surveyed transfers to the core control section, the core control section is received after frame is surveyed signal and is preserved current each test data, when running into power failure, because the core control section is preserved test data in real time, equipment recovers automatically and enters work when treating to send a telegram here once more, realizes the unattended intelligent test; By electric-control board, electric voltage dropping and load shock time can be provided with arbitrarily; Voltage fluctuation time and voltage array mode can be provided with arbitrarily; Favorable expandability; Because the present invention is the integrated design, and maintains easily.In sum, the present invention is in conjunction with mains fluctuation simulation, user's various feature operation simulations in use and the multiple functional automatically controlled reliability test equipment of voltage interruption analog modulation dynamic similation, and civil power had intelligence restoration after the power failure suddenly, can significantly increase work efficiency, realize unmanned.
Description of drawings
Fig. 1 is a principle of the invention synoptic diagram;
Fig. 2 is an electric-control board synoptic diagram of the present invention.
Embodiment
Embodiment: a kind of automatically controlled fiduciary level ATE (automatic test equipment), equipment is given in 6 power supplies of system's power pack, comprises core control section 1, voltage fluctuation simulation part, data display unit, load shock control section 2, total regularly part 3, civil power detection of power loss part 4 and electric-control system operation control section 5;
Described core control section 1 is by 6 power supplies of system's power pack;
Described voltage fluctuation simulation part branch comprises multiple power supplies voltage segment 7 and multichannel selection input and self-locking module 8, described multiple power supplies voltage segment 7 comprises three-way power voltage at least, this multiple power supplies voltage segment 7 selects input and self-locking module 8 to select connection arbitrary road supply voltage wherein through multichannel, described multichannel selects input and self-locking module 8 by 1 control of core control section, thereby the control by core control section 1 is connected by the exchange of three-way power voltage at least and to be realized the mains fluctuation simulation;
Described data display unit comprises electric current and voltage display part 9, clock and cycle index display part 10 and the automatically controlled number of times of load display part 11, transfers to total timing part 3 after multichannel selects input and self-locking module 8 to select the road voltage source connected through electric current and voltage display part 9 display voltage values and current value; Clock is electrically connected with core control section 1 respectively with cycle index display part 10 and the automatically controlled number of times of load display part 11, clock and cycle index display part 10 circulation demonstration work T.T. and voltage fluctuation number of times; 11 circulations of the automatically controlled number of times of load display part show load shock number of times and voltage interruption number of times.
Described total timing part 3 is messaging in electric-control system operation control section 5, electric-control system operation control section 5 is by 1 control of core control section, this electric-control system operation control section 5 is messaging in load shock control section 2, this load shock control section 2 is by 1 control of core control section, 2 pairs of automatically controlled plates of load shock control section carry out the function switch test, automatically controlled plate is electrically connected with electric-control system operation control section 5,5 pairs of automatically controlled plates of electric-control system operation control section carry out the testing sequence management, to low supply voltage, and be messaging in load shock control section 2 as: high power supply voltage; 2 pairs of automatically controlled plates of load shock control section are done the load shock test, and automatically controlled plate is carried out the function blocked operation, as: the high/low speed switching of range hood and the ON/OFF of illuminating lamp etc.; Total regularly part 3 presses the setting-up time interval interrupt and conducting selects input and self-locking module 8 to select the road voltage source of connecting through multichannel, simulates the civil power burst with this and has a power failure.
Described civil power detection of power loss part 4 is messaging in core control section 1, the real-time frame of the power supply of 4 pairs of system's power packs 6 of civil power detection of power loss part is surveyed, and the signal that frame is surveyed transfers to core control section 1, core control section 1 is received after frame is surveyed signal and is preserved current each test data, when running into power failure, because core control section 1 is preserved test data in real time, equipment recovers automatically and enters work when treating to send a telegram here once more, realizes the unattended intelligent test.
As a further improvement on the present invention: be provided with first and second cycle control module 12,13, the described first cycle control module 12 is messaging in load shock control section 2, the first cycle control modules 12 and is messaging in load shock control section 2 and makes it carry out the function blocked operation to automatically controlled plate by setting-up time; The described second cycle control module 13 is messaging in electric-control system operation control section 5, the second cycle control modules 13 and is messaging in electric-control system operation control section 5 and assists it to carry out the testing sequence management by setting-up time.
As a further improvement on the present invention: be provided with automatically and manual mode handover module 14 these working methods automatic and manual mode handover module 14 setting core control sections 1.
As a further improvement on the present invention: be provided with an electric-control board 20, this electric-control board 20 is provided with general supply display lamp 21, at least three supply voltage pilot lamp 22, first and second three charactron display boards 23,24, first and second six charactron display boards 25,26, power switch 27 and start buttons 28
Described the one or three charactron display board 23 display voltage values, described the two or three charactron display board 24 shows current value; Described electric current and voltage display part 9 comprises one or three corresponding electrical connections with voltage table of charactron display board 23 of voltage table, reometer and first and second three charactron display boards 23,24, the, the two or three the corresponding electrical connection with reometer of charactron display board 24;
Described the one or six charactron display board 25 circulation demonstration work T.T. and voltage fluctuation number of times, described clock and cycle index display part 10 comprise the one or six charactron display board 25; Described the two or six charactron display board 26 circulations show load shock number of times and voltage interruption number of times, and the automatically controlled number of times of described load display part 11 comprises the two or six charactron display board 26;
Described general supply display lamp 21 indication mechanisms power supply connection situation;
Situation is connected in the selection of the corresponding respectively indication multiple power supplies of described at least three supply voltage pilot lamp 22 voltage segment 7;
Described power switch 27 is connected and the system of cut-out power pack 6;
Described start button 28 opening devices operation.
Also be provided with two groups of buttons on the described electric-control board 20, every group of button is provided with five buttons, these five buttons are respectively: button 31, selector button 32, switching push button 33 are set, add button 34 and subtract button 35, in order to each setting-up time to be set, as voltage interruption time, load shock time and voltage fluctuation time etc.;
As a further improvement on the present invention: described electric-control board 20 is provided with automatic/hand selector switch 37, the automatic and manual mode handover module 14 of these automatic/hand selector switch 37 controls.
As a further improvement on the present invention: also be provided with a lighting device, described electric-control board 20 is provided with lighting button 36, and described lighting button 36 can start lighting device lighting, the convenient for maintaining illumination.
As a further improvement on the present invention: core control section 1 is a core control circuit of using computer microprocessor.
As a further improvement on the present invention: described computer microprocessor is the 16F877 single-chip microcomputer.
The present invention combines voltage interruption simulation, voltage fluctuation simulation and load shock, and the reliability height is easy to operate.By the control of core control section 1, connect by the exchange of three-way power voltage at least and to realize the mains fluctuation simulation; Survey by the real-time frame of the power supply of 4 pairs of system's power packs 6 of civil power detection of power loss part, and the signal that frame is surveyed transfers to core control section 1, core control section 1 is received after frame is surveyed signal and is preserved current each test data, when running into power failure, because core control section 1 is preserved test data in real time, equipment recovers automatically and enters work when treating to send a telegram here once more, realizes the unattended intelligent test; By electric-control board 20, electric voltage dropping and load shock time can be provided with arbitrarily; Voltage fluctuation time and voltage array mode can be provided with arbitrarily; Favorable expandability; Because the present invention is the integrated design, and maintains easily.
In sum, the present invention is in conjunction with mains fluctuation simulation, user's various feature operation simulations in use and the multiple functional automatically controlled reliability test equipment of voltage interruption analog modulation dynamic similation, and civil power had intelligence restoration after the power failure suddenly, can significantly increase work efficiency, realize unmanned.
Claims (8)
1. automatically controlled fiduciary level ATE (automatic test equipment), equipment is given in system's power pack (6) power supply, it is characterized in that: comprise core control section (1), voltage fluctuation simulation part, data display unit, load shock control section (2), total regularly part (3), civil power detection of power loss part (4) and electric-control system operation control section (5);
Described core control section (1) is powered by system's power pack (6);
Described voltage fluctuation simulation part branch comprises multiple power supplies voltage segment (7) and multichannel selection input and self-locking module (8), described multiple power supplies voltage segment (7) comprises three-way power voltage at least, this multiple power supplies voltage segment (7) selects input and self-locking module (8) to select connection arbitrary road supply voltage wherein through multichannel, and described multichannel selects input and self-locking module (8) to be controlled by core control section (1);
Described data display unit comprises electric current and voltage display part (9), clock and cycle index display part (10) and the automatically controlled number of times of load display part (11), transfers to total timing part (3) after multichannel selects input and self-locking module (8) to select the road voltage source connected through electric current and voltage display part (9) display voltage value and current value; Clock is electrically connected with core control section (1) respectively with cycle index display part (10) and the automatically controlled number of times of load display part (11), clock and cycle index display part (10) circulation demonstration work T.T. and voltage fluctuation number of times; The automatically controlled number of times of load display part (11) circulation shows load shock number of times and voltage interruption number of times.
Described total timing part (3) is messaging in electric-control system operation control section (5), electric-control system operation control section (5) is controlled by core control section (1), this electric-control system operation control section (5) is messaging in load shock control section (2), this load shock control section (2) is by core control section (1) control, and load shock control section (2) carries out the function switch test to automatically controlled plate.
Described civil power detection of power loss part (4) is messaging in core control section (1).
2. automatically controlled fiduciary level ATE (automatic test equipment) according to claim 1 is characterized in that: be provided with first and second cycle control module (12,13), the described first cycle control module (12) is messaging in load shock control section (2); The described second cycle control module (13) is messaging in electric-control system operation control section (5).
3. automatically controlled fiduciary level ATE (automatic test equipment) according to claim 1 is characterized in that: be provided with automatically and manual mode handover module (14) this working method automatic and manual mode handover module (14) setting core control section (1).
4. according to claim 1,2 or 3 described automatically controlled fiduciary level ATE (automatic test equipment), it is characterized in that: be provided with an electric-control board (20), this electric-control board is provided with general supply display lamp (21), at least three supply voltage pilot lamp (22), first and second three charactron display boards (23,24), first and second six charactron display boards (25,26), power switch (27) and start button (28)
Described the one or three charactron display board (23) display voltage value, described the two or three charactron display board (24) shows current value; Described electric current and voltage display part (9) comprises voltage table, reometer and first and second three charactron display boards, the one or three the corresponding electrical connection with voltage table of charactron display board, the two or three the corresponding electrical connection with reometer of charactron display board;
Described the one or six charactron display board (25) circulation demonstration work T.T. and voltage fluctuation number of times, described clock and cycle index display part (10) comprise the one or six charactron display board; Described the two or six charactron display board (26) circulation shows load shock number of times and voltage interruption number of times, and the automatically controlled number of times of described load display part (11) comprises the two or six charactron display board;
Described general supply display lamp (21) indication mechanism power supply connection situation;
Described at least three supply voltage pilot lamp (22) selection of corresponding indication multiple power supplies voltage segment (7) are respectively connected situation;
System's power pack (6) is connected and cut off to described power switch (27);
The operation of described start button (28) opening device.
Also be provided with two groups of buttons on the described electric-control board, every group of button is provided with five buttons, and these five buttons are respectively: button (31), selector button (32), switching push button (33) are set, add button (34) and subtract button (35).
5. automatically controlled fiduciary level ATE (automatic test equipment) according to claim 4 is characterized in that: described electric-control board is provided with automatic/hand selector switch (37), the automatic and manual mode handover module (14) of this automatic/hand selector switch control.
6. automatically controlled fiduciary level ATE (automatic test equipment) according to claim 5 is characterized in that: also be provided with a lighting device, described electric-control board is provided with lighting button (36), and described lighting button can start lighting device lighting.
7. automatically controlled fiduciary level ATE (automatic test equipment) according to claim 1 is characterized in that: core control section (1) is a core control circuit of using computer microprocessor.
8. automatically controlled fiduciary level ATE (automatic test equipment) according to claim 7 is characterized in that: described computer microprocessor is the 16F877 single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910181950 CN101968519B (en) | 2009-07-27 | 2009-07-27 | Electric control reliability automatic testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910181950 CN101968519B (en) | 2009-07-27 | 2009-07-27 | Electric control reliability automatic testing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101968519A true CN101968519A (en) | 2011-02-09 |
| CN101968519B CN101968519B (en) | 2013-10-30 |
Family
ID=43547703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910181950 Active CN101968519B (en) | 2009-07-27 | 2009-07-27 | Electric control reliability automatic testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101968519B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105445539A (en) * | 2015-11-24 | 2016-03-30 | 中国电力科学研究院 | Photovoltaic power station dynamic wattless performance test method and system |
| CN106771914A (en) * | 2016-12-13 | 2017-05-31 | 深圳市沃特玛电池有限公司 | A kind of method of testing and device |
| CN111896824A (en) * | 2020-07-14 | 2020-11-06 | 华东计算技术研究所（中国电子科技集团公司第三十二研究所） | Unattended reliability testing device and system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1019987A (en) * | 1996-07-03 | 1998-01-23 | Advantest Corp | Device interface function testing method and equipment |
| JPH10253681A (en) * | 1997-03-14 | 1998-09-25 | Fujitsu Denso Ltd | Load test aiding apparatus |
| CN1532553A (en) * | 2003-03-26 | 2004-09-29 | 英业达股份有限公司 | Automatic detection method |
| JP2007129823A (en) * | 2005-11-02 | 2007-05-24 | Toyota Motor Corp | Power supply testing system suitable for testing power supply system in motor generator |
| CN201222086Y (en) * | 2008-05-06 | 2009-04-15 | Tcl集团股份有限公司 | Detection device for air conditioner |
| CN201421560Y (en) * | 2009-04-30 | 2010-03-10 | 樱花卫厨（中国）股份有限公司 | Electrical control reliability automatic test device |
-
2009
- 2009-07-27 CN CN 200910181950 patent/CN101968519B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1019987A (en) * | 1996-07-03 | 1998-01-23 | Advantest Corp | Device interface function testing method and equipment |
| JPH10253681A (en) * | 1997-03-14 | 1998-09-25 | Fujitsu Denso Ltd | Load test aiding apparatus |
| CN1532553A (en) * | 2003-03-26 | 2004-09-29 | 英业达股份有限公司 | Automatic detection method |
| JP2007129823A (en) * | 2005-11-02 | 2007-05-24 | Toyota Motor Corp | Power supply testing system suitable for testing power supply system in motor generator |
| CN201222086Y (en) * | 2008-05-06 | 2009-04-15 | Tcl集团股份有限公司 | Detection device for air conditioner |
| CN201421560Y (en) * | 2009-04-30 | 2010-03-10 | 樱花卫厨（中国）股份有限公司 | Electrical control reliability automatic test device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105445539A (en) * | 2015-11-24 | 2016-03-30 | 中国电力科学研究院 | Photovoltaic power station dynamic wattless performance test method and system |
| CN105445539B (en) * | 2015-11-24 | 2021-04-30 | 中国电力科学研究院 | Method and system for testing dynamic reactive performance of photovoltaic power station |
| CN106771914A (en) * | 2016-12-13 | 2017-05-31 | 深圳市沃特玛电池有限公司 | A kind of method of testing and device |
| CN111896824A (en) * | 2020-07-14 | 2020-11-06 | 华东计算技术研究所（中国电子科技集团公司第三十二研究所） | Unattended reliability testing device and system |
| CN111896824B (en) * | 2020-07-14 | 2023-08-11 | 华东计算技术研究所（中国电子科技集团公司第三十二研究所） | Unattended reliability testing device and system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101968519B (en) | 2013-10-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103308797B (en) | Intelligent automatic standby power supply switching device calibration system | |
| CN201203627Y (en) | Auto-switch power supply device for test and test system composed by the same | |
| CN103077632B (en) | Isolation disconnecting link electric operating mechanism training device | |
| CN101968519B (en) | Electric control reliability automatic testing device | |
| CN201421560Y (en) | Electrical control reliability automatic test device | |
| CN203396869U (en) | Integrated test equipment | |
| CN205958728U (en) | Power module test fixture | |
| CN103293350B (en) | Minisize simulative circuit breaker | |
| CN202339692U (en) | Detection device for light emitting diode (LED) display screen driving plate | |
| CN202710672U (en) | Power-on reliability test system | |
| CN202305726U (en) | Ageing monitoring equipment for distributors | |
| CN205140330U (en) | Trouble analogue means is observed and controled in power supply | |
| CN201508645U (en) | Low-voltage comprehensive fault simulation device | |
| CN101650400A (en) | Testing equipment of generating set control screen | |
| CN203287451U (en) | Intelligent verification system of automatic switching apparatus of stand-by power supply | |
| CN104941103A (en) | Power module detection device for ship fire control system | |
| CN206431267U (en) | A kind of ageing tester of illuminator | |
| CN207036969U (en) | A kind of prepared auto restart action logic test accessory | |
| CN109166362A (en) | EMU circuit loop simulation training method and simulation training system | |
| CN202305748U (en) | Testing device for remote control motherboard of distribution automation terminal | |
| CN203299647U (en) | Intelligent circuit board testing apparatus | |
| CN203178430U (en) | Fire protection lamp circuit board online dynamic tester | |
| CN207571237U (en) | A kind of harness test board | |
| TWM586442U (en) | Aircraft navigation light simulation system | |
| CN106896320B (en) | PLC board simulation detection jig |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |