CN1530838A - System for realizing main-board envirnoment test - Google Patents
System for realizing main-board envirnoment test Download PDFInfo
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- CN1530838A CN1530838A CNA031191495A CN03119149A CN1530838A CN 1530838 A CN1530838 A CN 1530838A CN A031191495 A CNA031191495 A CN A031191495A CN 03119149 A CN03119149 A CN 03119149A CN 1530838 A CN1530838 A CN 1530838A
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Abstract
The system includes connecting master control computer with input/output device, temperature voltage collecting device, constant temperature and humidity box as well as programmed power source; connecting master board system to be tested to master control computer; connecting constant temperature and humidity box built in with master board to be tested with master control computer and temperature voltage collecting device; connecting power source control device with input/output device, programmed power source and master board system to be tested; connecting temperature voltage collecting device to master board system to be tested as well as constant temperature and humidity box.
Description
Technical field
The present invention relates to the computer motherboard field tests, particularly about a kind of system that realizes envivonment test of mainboard.
Background technology
Along with development of science and technology, computing machine has been widely applied to be produced and the various aspects of life, and people have also proposed more and more higher requirement to the performance of computing machine and stability thereof, reliability.Such as, in some industry such as bank, security, telecommunications, high reliability has become to one of most important requirement of computing machine.And mainboard is as the basic components of a computer system, and quality of its stability and reliability and computing machine is closely related, and therefore, the test of reinforcement main board system is an important step of raising computer product reliability.
At present, computer manufacturer tests main board system, mainly be divided into for two steps: a step is that main board system is positioned in the climatic chamber, changes the environment temperature of mainboard by the temperature of manual adjustments climatic chamber, and it is normal can measuring like this that mainboard works in what temperature range; Another step is to provide operating voltage with a regulated power supply to main board system, and it is normal can measuring by this step that main board system works in what voltage range.But under actual conditions, when main board system was in normal operating conditions, temperature and voltage but acted on simultaneously, and whether the voltage of exporting for the temperature and the regulated power supply of climatic chamber output is accurate, normal, and the tester can't judge.
So this manual, method of testing separate type, non intelligent can not really be simulated the working environment of mainboard, main board system may not obtain yet deep layer, the effective environmental test.Therefore, test result also just can't be as weighing whether stable, the reliable foundation of main board system.
Summary of the invention
In view of this, the invention provides a kind of system that realizes envivonment test of mainboard, make it to provide deep layer, effective test environment, and can carry out envivonment test of mainboard automatic, closed loop, intelligence.
A kind of system of envivonment test of mainboard that realizes comprises:
Main control computer links to each other with programmable power supply with input/output device, temperature voltage harvester, climatic chamber;
Input/output device, receive the digital switch machine control signal of main control computer output, analog switch machine control signal after the output analog to digital conversion is to power control, with, receive the analog switch machine status signal of tested main board system output, the digital switch machine status signal after the output digital-to-analog conversion is to main control computer;
Programmable power supply receives Regulation Control signal, output power control signal that main control computer is exported, according to Regulation Control Signal Regulation output voltage, regulates output power according to the output power control signal;
Power control receives the switching on and shutting down control signal of input/output device output, according to being connected of switching on and shutting down control signal control programmable power supply and tested main board system;
Be used to place the climatic chamber of tested main board system, receive the temperature adjustment control signal of main control computer output, regulate temperature according to the temperature adjustment control signal;
The temperature voltage harvester, the environment temperature and the operating voltage of gathering tested main board system export main control computer to.
Described main control computer further comprises:
The testing process control module links to each other with energy supply control module with parameter configuration module, test report generation module, climatic chamber control module;
Parameter configuration module is used for selecting tested object, configuration testing environmental parameter, and exports the environmental parameter information of tested object and configuration to the testing process control module;
Test report generation module, the information that provides according to the testing process control module generates test report; Power initialization and verification module are used for initialization programmable power supply and verification thereof; Temperature, voltage acquisition module, receive temperature, voltage feedback signal that the temperature voltage harvester sends, according to temperature feedback signal output environment Temperature Feedback information to testing process control module and temperature and voltage display module, with, according to voltage feedback signal output services Voltage Feedback information to testing process control module and temperature and voltage display module;
Temperature and voltage display module, temperature and Voltage Feedback information that reception temperature, voltage acquisition module provide are according to temperature and Voltage Feedback information displays temperature and change in voltage curve;
The climatic chamber control module, the temperature adjustment control command that the acceptance test process control module sends controls signal to climatic chamber according to temperature adjustment control command output temperature adjustment;
Energy supply control module, the switching on and shutting down that the acceptance test process control module sends, Regulation Control order control signal to input/output device according to switching on and shutting down output switching on and shutting down, export the Regulation Control signal to programmable power supply according to the Regulation Control order.
Described parameter configuration module further comprises:
The test product describing module is used to import tested main board system test point information, and exports tested dot information to the testing process control module; The test environment configuration module is used for the configuration testing environmental parameter, and exports test environment parameter to the testing process control module;
The test data collection module is used for being provided with, exporting Information Monitoring, exports Information Monitoring to the testing process control module.
Described parameter configuration module also further comprises: reporting to the police is provided with module, be used for setting the test macro alert if, and exporting alert if to the testing process control module, described testing process control module is carried out alarm indication according to alert and if temperature, Voltage Feedback information.
This system further comprises:
The GPIB address card, the Regulation Control signal that the main control computer that is used to transfer sends to programmable power supply.
Described temperature voltage harvester further comprises:
One placed climatic chamber with last temperature sensor, was used to gather the ambient temperature information of tested main board system, and output analog temperature feedback signal is to mould/analog-to-digital conversion apparatus;
Gathered the information of voltage of tested main board system with last voltage sensor for one, output aanalogvoltage feedback signal is to mould/analog-to-digital conversion apparatus;
Mould/analog-to-digital conversion apparatus, receive the analog temperature signal of temperature sensor output, with the digital voltage feedback signal after the analog to digital conversion export to main control computer and, receive the aanalogvoltage feedback signal of voltage sensor output, export the temperature feedback signal after the analog to digital conversion to main control computer.
Described programmable power supply further comprises:
First programme-controlled dc power, the reception main control computer sends the 3.3V voltage control signal in the Regulation Control signal, exports 3.3V voltage to power control according to the 3.3V voltage control signal;
Second programme-controlled dc power, the reception main control computer sends the 5V voltage control signal in the Regulation Control signal, exports 5V voltage to power control according to the 5V voltage control signal;
The 3rd programme-controlled dc power, the reception main control computer sends the 12V voltage control signal in the Regulation Control signal, exports 12V voltage to power control according to the 12V voltage control signal;
PC power source is input as the 220V alternating voltage, and the voltage of exporting tested main board system need of work is to power control, and the voltage of output does not comprise 3.3V, 5V, 12V.
Described power control further comprises five relays, receives the analog switch machine control signal of input/output device output,
According to the switching on and shutting down control signal, first relay is controlled being connected of tested main board system 3.3V power input and first programme-controlled dc power; Second relay is controlled being connected of tested main board system 5V power input and second programme-controlled dc power; The 3rd relay is controlled being connected of tested main board system 12V power input and the 3rd programme-controlled dc power; The tested main board system power input of the 4th relay control except that 3.3V, 5V, 12V is connected with PC power source; The 5th relay is controlled being connected of switch of tested main board system and tested main board system.
Described input/output device is digital I/O card.
The present invention realizes simulation to main board system environment temperature, operating voltage by climatic chamber and programmable power supply, thereby has tested the stability and the reliability of tested main board system, makes main board system obtain real environmental testing.
Therefore, use said system to carry out envivonment test of mainboard, following advantage arranged:
1) the present invention has simulated the working environment of mainboard fully, has significantly reduced the influence of human factor to test result;
2) the present invention can gather a plurality of test point information simultaneously, provides a large amount of foundations for weighing tested main board system;
3) save a large amount of human and material resources, testing efficiency improves greatly;
4) because main control computer can be controlled the output power of programmable power supply, therefore, for the output power range of testing the required power supply of tested main board system is provided convenience;
5) because can test report, after the test, the user can locate the environmental baseline of product failure according to test report rapidly.
Description of drawings
Fig. 1 is for realizing system construction drawing of the present invention;
Fig. 2 is a software module block diagram in the main control computer.
Embodiment
Describe technical scheme of the present invention in detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, the present invention realizes that the system of envivonment test of mainboard comprises main control computer 101, digital I/O card 102, temperature voltage harvester 103, climatic chamber 104, GPIB address card 105, power control 107 and programmable power supply 108.Wherein, GPIB address card 105, digital I/O card 102 place main control computer 101 inside, and main control computer 101 links to each other with climatic chamber 104 by serial ports, and tested main board system 106 is placed in the climatic chamber 104, and links to each other with programmable power supply 108.Main control computer 101 is by adjusting climatic chamber 104 and programmable power supply 108, thereby change provides the temperature and the voltage of tested main board system 106; The voltage of main voltage test points and supply voltage etc. on the environment temperature that main control computer 101 also will be by the tested main board system 106 of temperature voltage harvester real time monitoring, the temperature of main devices, the plate.
Main control computer is the control center of whole test system, is used to control the test voltage and the probe temperature of tested main board system, generates test report etc.; Numeral I/O card is a kind of input/output device, can carry out D/A or mould/number conversion; Temperature, voltage data harvester are used for gathering tested main board system voltage and temperature data; Climatic chamber is used to provide the probe temperature of tested main board system, and temperature range is-70 ℃～200 ℃; Voltage, the Current Regulation instruction that main control computer sends to programmable power supply that be used to transfer of GPIB address card; Power control be used to control the switch of tested main board system power unit and system switching on and shutting down, restart and functions such as dormancy; Programmable power supply comprises PC power source and programme-controlled dc power two parts, PC power source is used to provide tested main board system to remove 3.3V, 5V, voltage beyond the 12V, programme-controlled dc power can provide+3.3V ,+5V ,+12V voltage, and the control voltage signal adjusting+3.3V that can send according to main control computer ,+5V ,+12V voltage, drawing inclined to one side scope is ± 10%, output current can be regulated in the 0-30A scope, and its design meets the ATX power specifications.
Power control is made up of five relays, and the on off state of relay is by the corresponding output channel control of digital I/O card.Wherein, first, second, third relay is controlled the on off state of programmable power supply output 3.3V, 5V, 12V respectively; The on off state of the 4th relay control 220V AC power; The 5th relay is controlled switching on and shutting down, dormancy or the rebooting status of tested main board system.
The temperature voltage harvester also further comprises mould/analog-to-digital conversion apparatus, temperature sensor and voltage sensor, and temperature sensor places climatic chamber.Wherein, mould/analog-to-digital conversion apparatus is meant with analog signal conversion to be the device of digital signal; Temperature sensor is used to gather the temperature information of tested main board system real work, and the temperature information of gathering is sent into mould/analog-to-digital conversion apparatus with the form of simulating signal, after mould/analog-to-digital conversion apparatus is converted into digital signal, exports main control computer to; Voltage sensor is used to gather the information of voltage of tested main board system real work, and the information of voltage the gathered form of simulating signal is sent into mould/analog-to-digital conversion apparatus, after mould/analog-to-digital conversion apparatus is converted into digital signal, exports main control computer to.
Programmable power supply also further comprises three programme-controlled dc powers and PC power source.Wherein, first programme-controlled dc power is used to export 3.3V voltage, links to each other with power control with main control computer; Second programme-controlled dc power is used to export 5V voltage, links to each other with power control with main control computer; The 3rd programme-controlled dc power is used to export 12V voltage, links to each other with power control with main control computer; PC power source, its operating voltage is the 220V alternating voltage, exports the voltage of tested main board system need of work, and this voltage do not comprise 3.3V, 5V, 12V, links to each other with power control.
And main control computer inside also comprises the software section of realizing control automatically and generating test report.Referring to shown in Figure 2, software section specifically comprises with lower module: parameter configuration module 201, test report generation module 202, power initialization and verification module 203, testing process control module 204, temperature and voltage acquisition module 205, temperature and voltage curve display module 206, climatic chamber control module 207 and energy supply control module 208 etc.
Wherein, parameter configuration module 201 is to be used for selecting tested object, pre-configured test environment parameter etc., and this module links to each other with test report generation module 202.Parameter configuration module 201 also further comprises test product describing module, test environment configuration module, reporting to the police is provided with module and test data collection module.The test product describing module is that system under test (SUT) is described, and is used to generate test report and configuration testing systematic parameter; The test environment configuration module is used for preestablishing various environment configurations parameters; Warning is provided with the alert if that module is used for setting test macro; Test report generation module is used to generate test report information; The test data collection module is used for setting in advance the information that will gather.
Test report generation module 202 is after test finishes, and is used to generate the module of test report; Power initialization and verification module 203 are used for initialization programmable power supply and verification thereof; Testing process control module 204, be used to control system under test (SUT) switching on and shutting down, restart, dormancy etc.; Temperature and voltage acquisition module 205 receive temperature, voltage feedback signal from the temperature voltage harvester, and the temperature after will handling, voltage signal are sent to temperature and voltage curve display module; Temperature and voltage display module 206 are used for according to voltage, Temperature Feedback information display voltage and temperature variation curve; Climatic chamber control module 207 is used for the temperature control command that the switching test process control module sends, and regulates the temperature of climatic chamber; Energy supply control module 208 is used for sending Control of Voltage information according to the testing process control module, and control power control repeat circuit is connected, disconnected.
As shown in Figure 2, the principle of work of software section is as follows:
Power initialization and verification module 203 are sent the checking signal of programme-controlled dc power by the GPIB card, and programmable power supply carries out verification according to the checking signal of receiving.
Test product describing module, test environment configuration module, reporting to the police is provided with module and test data collection module and will describes variable, configuration variables, warning variable and test data variable respectively and deliver to testing process control module 204; Testing process control module 204 is according to the Information Selection measurand of describing in the variable, send the Regulation Control order according to the environment temperature in the configuration variables and information of voltage and test data variable to energy supply control module, send the temperature adjustment control command to the climatic chamber control module; Energy supply control module is sent to programmable power supply by the GPIB card with the Regulation Control order, and programmable power supply will be according to the Regulation Control signal output voltage of receiving; After the climatic chamber control module is received the temperature adjustment control signal, by serial ports the temperature adjustment control signal is sent to climatic chamber, climatic chamber will be adjusted temperature according to the temperature adjustment control signal of receiving; Temperature, voltage acquisition module will be sent to the testing process control module from temperature, the Voltage Feedback information of temperature voltage harvester on the one hand, if the testing process control module find current voltage or temperature and exceed certain numerical value, will send warning; On the other hand these information are sent to temperature and the voltage curve display module shows.After end of test (EOT), main control computer will generate test report or daily record by test report generation module according to the data that testing process control module and parameter configuration module provide.
Referring to shown in Figure 1, the present invention realizes that the mainboard testing principle is as follows:
Main control computer sends the Regulation Control signal by the GPIB card to programmable power supply, this Regulation Control signal comprises+3.3V ,+5V ,+the 12V voltage control signal, programme-controlled dc power receives+3.3V ,+5V ,+the 12V voltage control signal after, output+3.3V ,+5V ,+12V voltage, and will export+3.3V ,+5V ,+the 12V voltage signal delivers to power control; PC power source is sent to power control with the voltage of output.
Main control computer is sent to tested main board system and power control by the digital I/O card control signal of will starting shooting; In the start control signal, power control with PC power source and+3.3V ,+5V ,+the 12V power supply signal sends into tested main board system, tested main board system brings into operation.
Main control computer sends the temperature adjustment control signal by serial ports to climatic chamber, and climatic chamber is by temperature adjustment control signal output temperature.
The temperature voltage harvester is the information of voltage of temperature variation in the real time monitoring climatic chamber and tested main board testing system, and gives main control computer by the temperature voltage harvester with the actual environment temperature of tested main board system and the information feedback of working voltage.Main control computer will show from temperature, the Voltage Feedback information of temperature voltage harvester, and voltage and temperature according to effective supply, whether the state of supply of analyzing the aging control box of current programmable power supply and temperature is normal, if undesired, warning then makes mistakes.After test finishes, more all information is generated test report, analyze use for the tester.
And, for the working environment and the duty of clear more tested main board system, can select to have the temperature voltage harvester of many collection points, just further increase a plurality of temperature sensors and voltage sensor.Like this, just a plurality of temperature sensors can be set in climatic chamber, gather the many places temperature information, such as, environment temperature, cpu temperature, north bridge temperature, south bridge temperature, metal-oxide-semiconductor temperature etc.; Simultaneously, by the increase voltage sensor, the operating voltage of gathering the tested main board system in many places, such as: 3.3V voltage, 5V voltage, 5VSB voltage, 12V voltage, 2.5V voltage, VDDQ voltage, VDIMM voltage etc.Certainly, user's test point of can sampling as required so that the more normal operation of supervisory system, thereby is made sufficient preparation for test post analysis data.
In addition, test macro of the present invention also by parameter configuration module built-in multiple test parameter.Wherein, voltage test points comprises that-10% ,-6% ,-5%, 0%, 5%, 6%, 10% draws partially; The temperature test point comprises-10 degree ,-5 degree, 0 degree, 25 degree, 40 degree, 55 degree, 60 degree, 70 degree.So, by array mode, parameter-embeddedly just can comprise 56 groups of testing schemes.
Certainly, if the user can't find satisfied test point in parameter-embedded, as long as before test, environment temperature and the voltage that provides can be provided pre-configured parameter configuration module.
Claims (9)
1, a kind of system that realizes envivonment test of mainboard is characterized in that, this system comprises:
Main control computer links to each other with programmable power supply with input/output device, temperature voltage harvester, climatic chamber;
Input/output device, receive the digital switch machine control signal of main control computer output, analog switch machine control signal after the output analog to digital conversion is to power control, with, receive the analog switch machine status signal of tested main board system output, the digital switch machine status signal after the output digital-to-analog conversion is to main control computer;
Programmable power supply receives Regulation Control signal, output power control signal that main control computer is exported, according to Regulation Control Signal Regulation output voltage, regulates output power according to the output power control signal;
Power control receives the switching on and shutting down control signal of input/output device output, according to being connected of switching on and shutting down control signal control programmable power supply and tested main board system;
Be used to place the climatic chamber of tested main board system, receive the temperature adjustment control signal of main control computer output, regulate temperature according to the temperature adjustment control signal;
The temperature voltage harvester, the environment temperature and the operating voltage of gathering tested main board system export main control computer to.
2, method according to claim 1 is characterized in that, described main control computer further comprises:
The testing process control module links to each other with energy supply control module with parameter configuration module, test report generation module, climatic chamber control module;
Parameter configuration module is used for selecting tested object, configuration testing environmental parameter, and exports the environmental parameter information of tested object and configuration to the testing process control module;
Test report generation module, the information that provides according to the testing process control module generates test report;
Power initialization and verification module are used for initialization programmable power supply and verification thereof;
Temperature, voltage acquisition module, receive temperature, voltage feedback signal that the temperature voltage harvester sends, according to temperature feedback signal output environment Temperature Feedback information to testing process control module and temperature and voltage display module, with, according to voltage feedback signal output services Voltage Feedback information to testing process control module and temperature and voltage display module;
Temperature and voltage display module, temperature and Voltage Feedback information that reception temperature, voltage acquisition module provide are according to temperature and Voltage Feedback information displays temperature and change in voltage curve;
The climatic chamber control module, the temperature adjustment control command that the acceptance test process control module sends controls signal to climatic chamber according to temperature adjustment control command output temperature adjustment;
Energy supply control module, the switching on and shutting down that the acceptance test process control module sends, Regulation Control order control signal to input/output device according to switching on and shutting down output switching on and shutting down, export the Regulation Control signal to programmable power supply according to the Regulation Control order.
3, system according to claim 2 is characterized in that, described parameter configuration module further comprises:
The test product describing module is used to import tested main board system test point information, and exports tested dot information to the testing process control module;
The test environment configuration module is used for the configuration testing environmental parameter, and exports test environment parameter to the testing process control module;
The test data collection module is used for being provided with, exporting Information Monitoring, exports Information Monitoring to the testing process control module.
4, system according to claim 3, it is characterized in that, described parameter configuration module also further comprises: reporting to the police is provided with module, be used for setting the test macro alert if, and exporting alert if to the testing process control module, described testing process control module is carried out alarm indication according to alert and if temperature, Voltage Feedback information.
5, system according to claim 1 is characterized in that, this system further comprises:
The GPIB address card, the Regulation Control signal that the main control computer that is used to transfer sends to programmable power supply.
6, system according to claim 1 is characterized in that, described temperature voltage harvester further comprises:
One placed climatic chamber with last temperature sensor, was used to gather the ambient temperature information of tested main board system, and output analog temperature feedback signal is to mould/analog-to-digital conversion apparatus;
Gathered the information of voltage of tested main board system with last voltage sensor for one, output aanalogvoltage feedback signal is to mould/analog-to-digital conversion apparatus;
Mould/analog-to-digital conversion apparatus, receive the analog temperature signal of temperature sensor output, with the digital voltage feedback signal after the analog to digital conversion export to main control computer and, receive the aanalogvoltage feedback signal of voltage sensor output, export the temperature feedback signal after the analog to digital conversion to main control computer.
7, system according to claim 1 is characterized in that, described programmable power supply further comprises:
First programme-controlled dc power, the reception main control computer sends the 3.3V voltage control signal in the Regulation Control signal, exports 3.3V voltage to power control according to the 3.3V voltage control signal;
Second programme-controlled dc power, the reception main control computer sends the 5V voltage control signal in the Regulation Control signal, exports 5V voltage to power control according to the 5V voltage control signal;
The 3rd programme-controlled dc power, the reception main control computer sends the 12V voltage control signal in the Regulation Control signal, exports 12V voltage to power control according to the 12V voltage control signal;
PC power source is input as the 220V alternating voltage, and the voltage of exporting tested main board system need of work is to power control, and the voltage of output does not comprise 3.3V, 5V, 12V.
8, system according to claim 7 is characterized in that, described power control further comprises five relays, receives the analog switch machine control signal of input/output device output,
According to the switching on and shutting down control signal, first relay is controlled being connected of tested main board system 3.3V power input and first programme-controlled dc power; Second relay is controlled being connected of tested main board system 5V power input and second programme-controlled dc power; The 3rd relay is controlled being connected of tested main board system 12V power input and the 3rd programme-controlled dc power; The tested main board system power input of the 4th relay control except that 3.3V, 5V, 12V is connected with PC power source; The 5th relay is controlled being connected of switch of tested main board system and tested main board system.
9, system according to claim 1 is characterized in that, described input/output device is digital I/O card.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB031191495A CN100476753C (en) | 2003-03-14 | 2003-03-14 | System for realizing main-board envirnoment test |
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| CNB031191495A CN100476753C (en) | 2003-03-14 | 2003-03-14 | System for realizing main-board envirnoment test |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100412753C (en) * | 2004-11-20 | 2008-08-20 | 鸿富锦精密工业（深圳）有限公司 | Circuit for producing operating voltage of host board chip set |
| CN101504552A (en) * | 2009-03-09 | 2009-08-12 | 深圳和而泰智能控制股份有限公司 | Temperature calibration system and method |
| CN101887111A (en) * | 2009-05-15 | 2010-11-17 | 施耐德电器工业公司 | System and method for automatically testing analog module used for programmable logic controller (PLC) |
| CN102447411A (en) * | 2010-10-11 | 2012-05-09 | 深圳市金威源科技股份有限公司 | Universal type power supply aging system |
| CN103529824A (en) * | 2013-10-21 | 2014-01-22 | 广东威创视讯科技股份有限公司 | Stability test method and system |
| CN106249136A (en) * | 2016-07-27 | 2016-12-21 | 中国电子科技集团公司第四十研究所 | The endurance testing device of a kind of coaxial electric mechanical switch and method |
| CN110297282A (en) * | 2019-08-06 | 2019-10-01 | 深圳面元智能科技有限公司 | Seismic exploration equipment tester |
| CN111289828A (en) * | 2020-03-16 | 2020-06-16 | 网易（杭州）网络有限公司 | Constant temperature testing device, temperature control method, host, equipment and medium |
| CN113552051A (en) * | 2020-04-24 | 2021-10-26 | 比亚迪股份有限公司 | Sample test box and method, and sample test system |
| CN113959748A (en) * | 2021-10-26 | 2022-01-21 | 航天信息股份有限公司 | Computer environment performance test equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100412753C (en) * | 2004-11-20 | 2008-08-20 | 鸿富锦精密工业（深圳）有限公司 | Circuit for producing operating voltage of host board chip set |
| CN101504552A (en) * | 2009-03-09 | 2009-08-12 | 深圳和而泰智能控制股份有限公司 | Temperature calibration system and method |
| WO2010102505A1 (en) * | 2009-03-09 | 2010-09-16 | 深圳和而泰智能控制股份有限公司 | Temperature calibration system and method thereof |
| CN101887111A (en) * | 2009-05-15 | 2010-11-17 | 施耐德电器工业公司 | System and method for automatically testing analog module used for programmable logic controller (PLC) |
| CN102447411B (en) * | 2010-10-11 | 2014-08-27 | 深圳市金威源科技股份有限公司 | Universal type power supply aging system |
| CN102447411A (en) * | 2010-10-11 | 2012-05-09 | 深圳市金威源科技股份有限公司 | Universal type power supply aging system |
| CN103529824A (en) * | 2013-10-21 | 2014-01-22 | 广东威创视讯科技股份有限公司 | Stability test method and system |
| CN103529824B (en) * | 2013-10-21 | 2016-04-27 | 广东威创视讯科技股份有限公司 | Stability test method and system |
| CN106249136A (en) * | 2016-07-27 | 2016-12-21 | 中国电子科技集团公司第四十研究所 | The endurance testing device of a kind of coaxial electric mechanical switch and method |
| CN106249136B (en) * | 2016-07-27 | 2019-02-26 | 中国电子科技集团公司第四十一研究所 | A kind of endurance testing device and method of coaxial electric mechanical switch |
| CN110297282A (en) * | 2019-08-06 | 2019-10-01 | 深圳面元智能科技有限公司 | Seismic exploration equipment tester |
| CN111289828A (en) * | 2020-03-16 | 2020-06-16 | 网易（杭州）网络有限公司 | Constant temperature testing device, temperature control method, host, equipment and medium |
| CN113552051A (en) * | 2020-04-24 | 2021-10-26 | 比亚迪股份有限公司 | Sample test box and method, and sample test system |
| CN113959748A (en) * | 2021-10-26 | 2022-01-21 | 航天信息股份有限公司 | Computer environment performance test equipment |
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| CN100476753C (en) | 2009-04-08 |
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