CN101261310B - Electromagnetic relay dynamic environmental test system - Google Patents
Electromagnetic relay dynamic environmental test system Download PDFInfo
- Publication number
- CN101261310B CN101261310B CN2008100643513A CN200810064351A CN101261310B CN 101261310 B CN101261310 B CN 101261310B CN 2008100643513 A CN2008100643513 A CN 2008100643513A CN 200810064351 A CN200810064351 A CN 200810064351A CN 101261310 B CN101261310 B CN 101261310B
- Authority
- CN
- China
- Prior art keywords
- resistance
- connects
- module
- microprocessor
- pin
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
A mechanical environment testing system of an electromagnetic relay relates to the measuring field of the electromagnetic relay, solving the problem that the control information of vibration conditions and the monitoring information of contact states cannot be obtained simultaneously in existing testing processes. The system adds a contact monitoring module and the input end of the contact monitoring module is connected to a contact of a relay to be tested. The output end of the contact monitoring module is connected to the input end of a data collection module. The output end of the data collection module is connected to the input end of a microprocessor and the input end of a communication module. The microprocessor is connected with the communication module in series. The communication module is connected with a USB port of an upper computer. The system combines the microprocessor and a real-time system to put up a closed-loop system and control an electromagnetic vibration table so as to achieve high control precision, truly simulate the working environment, exactly determine the failure mode of elements and mechanical weak links and further provide necessary material for vibration protection. The system realizes simultaneous working of the vibration test and the contact monitoring so as to more accurately record the mechanical weak links of the tested electric appliances.
Description
Technical field
The present invention relates to the relay fields of measurement.
Background technology
Electromagnetic relay is a kind of physical quantity (electric weight or non electrical quantity) when reaching setting when input; its electric output circuit is switched on the automatic motion electrical equipment of (conducting) or disjunction (blocking-up, shutoff); all being widely used in fields such as Automation of Manufacturing Process device, electric system protection device, all kinds of remote control and communicator, is one of the electric elements on basis in the modern automatic control system.
And the small-sized sealing electromagnetic relay extensively is applied to high-end fields such as space flight and national defence because it has that power switched is big, highly sensitive, the conversion degree of depth is high and the irreplaceable advantage of solid-state devices such as anti-environment capacity is strong.The handoff functionality of electromagnetic relay is generally realized by armature system and these two mechanical systems of contact system, and both are being subjected under the dynamic excitation, particularly under the harsh mechanical condition in the application such as national defence and space flight, misoperation very easily takes place, deciliter phenomenon that causes between reed continuing can cause arcing, burn touch, wearing and tearing even thermofussion welding, make relay physical construction and electrical function transmission fault occur.Therefore the anti-vibration performance of small-sized sealing electromagnetic relay is subjected to each big relay production firm and national defence, space flight user's concern, in order to improve the reliability under the hermetically sealed electromagnetic relay mechanical environment, " the electromagnetic relay general specification that reliability index is arranged " that production firm formulates according to General Armament Department (GJB65B-99), " the power-type electromagnetic relay general specification that reliability index is arranged " (GJB2888-97) and " electronics and electrical equipment test method " (GJB360A-96) etc. the dynamic environmental test condition in a plurality of standards relay is tested, wherein the electromagnetic vibration generator system pilot system is owing to its reliability height, and controllability is well to reproduce the important means of army's mark mechanical environment.Current mechanics fail-test generally is to be finished jointly by electromagnetic vibration generator system and electric shock checkout equipment, and two equipment are separate, therefore in test is carried out, can only busy relay the mechanical test by specified conditions whether, obtained definite failure condition when closing automatically and accurately and (for example tremble and close or tremble disconnected time of origin and can't tremble disconnected and tremble at contact system, with tremble the disconnected frequency values and the time domain waveform of excitation of trembling corresponding excitation when closing), shortcoming is reproduced the Test Information that lost efficacy and encourage.
Summary of the invention
The present invention can not obtain vibration condition control information and contacts status monitoring information simultaneously in order to solve in the existing process of the test, has proposed a kind of electromagnetic relay dynamic environmental test system.
Electromagnetic relay dynamic environmental test system of the present invention comprises microprocessor, communication module, D/A converter module, storer, host computer, power amplifier module and electromagnetic vibration generator system; Microprocessor is by on address bus and the data bus connected storage, the data output end of microprocessor connects the data input pin of D/A converter module, the analog signal output of D/A converter module connects the input end of analog signal of power amplifier module, the output terminal of power amplifier module connects the driving input end of electromagnetic vibration generator system, and it also comprises data acquisition module, acceleration transducer, electric charge amplification module and contact monitoring modular; Measured relay and acceleration transducer are arranged on the electromagnetic vibration generator system, the input end of analog signal of contact monitoring modular connects on the contact of measured relay, the output terminal of acceleration transducer connects the input end of electric charge amplification module, the analog signal output of electric charge amplification module and the analog signal output of contact monitoring modular are connected the input end of analog signal of data acquisition module respectively, the data output end of data acquisition module connects the data input pin of microprocessor and the data input pin of communication module respectively, microprocessor and communication module are connected in series, and communication module connects on the USB port of host computer.
The present invention builds closed-loop system in conjunction with microprocessor and real-time system electromagnetic vibration generator system is controlled, reach good control accuracy, realize that " the electromagnetic relay general specification that reliability index is arranged " (GJB65B-99) and " electronics and electrical equipment test method " impact, high frequency and random vibration test of stipulating in (GJB360A-96), analog operation environment comparatively truly, determine the failure mode and the mechanics weak link of element comparatively exactly, and then the data of necessity is provided for vibration protection.In control system, added high-Speed Data-Acquisition Module and contact monitoring modular, realized vibration test and contact the monitoring carry out simultaneously, accurate recording is by the mechanics weak link of electricity measurer more.Because shaking table opertaing device and the common cooperative work of contact monitoring equipment, this proving installation is can the accurate recording relay contact disconnected by trembling, tremble the time of origin when closing, the time domain waveform of current excitation, the acceleration frequency of current excitation, the slip-stick artist can reproduce failure condition by emulation or test according to these conditions, for further products perfection and improvement provide reference data.The development of China's electrical equipment anti-vibration experimental technique and the universalness of mechanical test had important and practical meanings.
Description of drawings
Fig. 1 is a structural representation of the present invention; Fig. 2 is the electrical block diagram of embodiment two.
Embodiment
Embodiment one: in conjunction with Fig. 1 present embodiment is described, present embodiment is made up of microprocessor 1, communication module 2, data acquisition module 3, D/A converter module 4, storer 5, acceleration transducer 6, electric charge amplification module 7, host computer 8, power amplifier module 9, electromagnetic vibration generator system 10 and contact monitoring modular 11; Microprocessor 1 is by on address bus and the data bus connected storage 5, the data output end of microprocessor 1 connects the data input pin of D/A converter module 4, the analog signal output of D/A converter module 4 connects the input end of analog signal of power amplifier module 9, the output terminal of power amplifier module 9 connects the driving input end of electromagnetic vibration generator system 10, measured relay 12 and acceleration transducer 6 are arranged on the electromagnetic vibration generator system 10, the input end of analog signal of contact monitoring modular 11 connects on the contact of measured relay 12, the output terminal of acceleration transducer 6 connects the input end of electric charge amplification module 7, the analog signal output of electric charge amplification module 7 and the analog signal output of contact monitoring modular 11 are connected the input end of analog signal of data acquisition module 3 respectively, the data output end of data acquisition module 3 connects the data input pin of microprocessor 1 and the data input pin of communication module 2 respectively, microprocessor 1 is connected in series with communication module 2, and communication module 2 connects on the USB port of host computer 8.Microprocessor 1 adopts the TMS320 series DSP to build closed-loop control system, according to the test standard requirement generation and the adjustment live signal of host computer.Communication module 2 adopts the FX2LP series of Cypress companies to make up the high speed USB data transmission channel, and it is connected by RS-232 interface with microprocessor 1, and the test type and the correlation test parameter of host computer 8 settings sent to microprocessor 1; Communication module 2 and data acquisition module 3 are connected with address bus by data bus independently, send contact contact condition Monitoring Data to host computer 8 in vibration test.Data acquisition module 3 can adopt the AD7892 chip high speed image data of 5 AD companies, wherein four the tunnel gathers the contact condition signal of two groups of contacts, and other one the tunnel gathers the acceleration signal of vibration table.The data of being gathered send to microprocessor 1 and communication module 2 by address and data bus.D/A converter module 4 adopts the DAC7625 of TI companies to build, and according to microprocessor 1 result of calculation output time domain drive waveforms, it is connected by bus with microprocessor 1, and the analog output channel is connected to power amplifier module.Storer 5 adopts the IS61LV6414 of ISSI company, and the 64K byte ram in the sheet is used for the mass data that storage microprocessor 1 produces when analytic signal.Acceleration transducer 6 adopts the CA-YD-103 of Jiangsu Lianneng Electronic Technology Co., Ltd. piezoelectric accelerometer.Electric charge amplification module 7 adopts the YE5852A of Jiangsu Lianneng Electronic Technology Co., Ltd. type charge amplifier.Power amplifier module 9 adopts the analog output signal of the PA78DK logarithmic mode modular converter 4 of Darlington transistor MJ11032, MJ11033 and APEX company to carry out power amplification and drive electromagnetic vibration generator system 10.Electromagnetic vibration generator system 10 adopts state-run 709 factory's compact electromagnetic shaking tables.
Embodiment two: in conjunction with Fig. 2 present embodiment is described, present embodiment and embodiment one difference are that contact monitoring modular 11 is made up of the first operational amplifier L1, the second operational amplifier L2, first resistance R, 1 to the 9th resistance R 9 and first capacitor C, 1 to the 4th capacitor C 4; The relay first electric shock signal output terminal connects an end of the 5th resistance R 5, one end of the 7th resistance R 7 and the pin 3 of the first operational amplifier L1, the other end of the 5th resistance R 5 connects the 5V power supply, the relay second electric shock signal output terminal connects the other end and the ground connection of the 7th resistance R 7, the pin 4 of the first operational amplifier L1 connects the end of the 8th resistance R8 and an end of the 3rd capacitor C 3, other end connection-12V the power supply of the 8th resistance R8, the other end ground connection of the 3rd capacitor C 3, the pin 7 of the first operational amplifier L1 connects an end of first resistance R 1 and an end of first capacitor C 1, other end connection+12V the power supply of first resistance R 1, the other end ground connection of first capacitor C 1, the pin two of the first operational amplifier L1 is connected an end of the 6th resistance R 6 with pin 6, the other end of the 6th resistance R 6 connects the pin 3 of the second operational amplifier L2, the pin 4 of the second operational amplifier L2 connects the end of the 9th resistance R9 and an end of the 4th capacitor C 4, other end connection-12V the power supply of the 9th resistance R9, the other end ground connection of the 4th capacitor C 4, the pin 7 of the second operational amplifier L2 connects an end of second resistance R 2 and an end of second capacitor C 2, other end connection+12V the power supply of second resistance R 2, the other end ground connection of second capacitor C 2, the pin 6 of the second operational amplifier L2 connects an end and the electric shock state output end of the 4th resistance R 4, the pin two of the other end of the 4th resistance R 4 and the second operational amplifier L2 is connected an end of the 3rd resistance R 3, the other end ground connection of the 3rd resistance R 3.The low-pass filter that contact monitoring modular 11 is formed with LF356 operational amplifier, resistance and electric capacity, generation+5V signal when the measured relay closing of contact produces the 0V signal when cut-offfing, thereby judges the contacts status in the process of the test.
Apparatus of the present invention can be carried out impact shock test, dither test, random vibration test, impact limit acceleration evaluation test, dither limit acceleration evaluation test, random vibration limit acceleration evaluation test.
It is as follows to adopt this device to carry out the step of impact shock test:
Step 1: the test type of setting in the host computer 8 is impact shock test and impact shock test parameters;
Step 2: the test initialization, microprocessor 1 reads nominal shock pulse duration and two parameters of pulse acceleration peak value of impulse test from host computer 8;
Step 3: according to the current time closed loop time domain waveform amplitude of adjusting, wait for that output interrupts, do not have sampling and interrupt, only enter steps A; Impact shock test data acquisition module 3 is simultaneously monitored two groups of contact contact conditions of measured relay by contact monitoring modular 11, and is uploaded to host computer 8 by communication module 2;
Steps A: when microprocessor 1 is received the trigger pip of inner first timer, enter the output interrupt routine, result of calculation is outputed to D/A converter module 4, and interrupt returning, enter the wait interruption status from output; After D/A converter module 4 is received data, the corresponding change of output analog voltage, and through power amplifier module 9 driving electromagnetic vibration generator systems 10;
Step 4: judge whether test period finishes, and is, then enters step 5; , then do not return step 3;
Step 5: microprocessor 1 locking output, return step 1.
It is as follows to adopt this device to impact the step of limit acceleration evaluation test:
Step 1: the test type of setting in the host computer 8 is for impacting the limit acceleration evaluation test and impacting limit acceleration evaluation test parameter;
Step 2: nominal shock pulse duration and two parameters of pulse acceleration peak value of impacting the limit acceleration evaluation test are read in test initialization, microprocessor 1 from host computer 8;
Step 3: according to the current time closed loop time domain waveform amplitude of adjusting, wait for that output interrupts, do not have sampling and interrupt, only enter steps A; Impact shock test data acquisition module 3 is simultaneously monitored two groups of contact contact conditions of measured relay by contact monitoring modular 11, and is uploaded to host computer 8 by communication module 2;
Steps A: when microprocessor 1 is received the trigger pip of inner first timer, enter the output interrupt routine, result of calculation is outputed to D/A converter module 4, and interrupt returning, enter the wait interruption status from output; After D/A converter module 4 is received data, the corresponding change of output analog voltage, and through power amplifier module 9 driving electromagnetic vibration generator systems 10;
Step C: when contact monitoring modular 11 monitor get an electric shock occur trembling disconnected, tremble and close phenomenon and send to host computer 8, host computer 8 sends information to microprocessor 1, microprocessor 1 interrupts current test, write down current acceleration amplitude, and carry out and impact limit acceleration evaluation test program, reduce acceleration amplitude and carry out impulse test repeatedly, and record is trembled and closed or tremble disconnected minimum acceleration amplitude and be sent to host computer 8 and store;
Step 4: judge whether test period finishes, and is, then enters step 5; , then do not return step 3;
Step 5: microprocessor 1 locking output, return step 1.
Wherein can adopt the impact condition is 1000m/s
2, the contact was trembled disconnectedly when the half-sine wave of 6ms was impacted, and program is with attack time: 6ms, and reduces amplitude: 950m/s successively
2, 900m/s
2, 850m/s
2... carry out the half-sine wave impulse test, tremble disconnected minimal impact acceleration amplitude (m/s until finding
2).
It is as follows to adopt this device to carry out the step of dither test:
Step 1: the test type of setting in the host computer 8 is dither test and dither test parameters;
Step 2: frequency range, acceleration amplitude and three parameters of cross-over frequency of dither test are read in test initialization, microprocessor 1 from host computer 8;
Step 3: according to the feedback result closed loop of last one-period the adjust amplitude and the frequency of current time domain waveform, wait for that output is interrupted and sampling is interrupted,,, otherwise continue to wait for if sampling is interrupted then forwarded step B to if output is interrupted then changed steps A over to; Test data acquisition module 3 is simultaneously monitored two groups of contact contact conditions of measured relay by contact monitoring modular 11, and is uploaded to host computer 8 by communication module 2;
Steps A: when microprocessor 1 is received the trigger pip of inner first timer, enter the output interrupt routine, result of calculation is outputed to D/A converter module 4, and interrupt returning, enter the wait interruption status from output; After D/A converter module 4 is received data, the corresponding change of output analog voltage, and through power amplifier module 9 driving electromagnetic vibration generator systems 10;
Step B: when microprocessor 1 is received the trigger pip of inner second timer, enter the sampling interrupt routine, the A/D transformation result of microprocessor reading of data acquisition module 3, acquisition is through the acceleration signal of the table top of the electromagnetic vibration generator system 10 of electric charge amplification module 7 and acceleration transducer 6 transmission, read and judge whether to gather full one-period data after finishing, not, then return, enter the wait interruption status from the sampling interrupt routine; Be that then calculating is synthesized next periodic signal and returned from the sampling interrupt routine, enters the wait interruption status;
Step 4: judge whether test period finishes, and is, then enters step 5; , then do not return step 3;
Step 5: microprocessor 1 locking output, return step 1.
It is as follows to adopt this device to carry out the step of dither limit acceleration evaluation test:
Step 1: the test type of setting in the host computer 8 is dither limit acceleration evaluation test and dither limit acceleration evaluation test parameter;
Step 2: the test initialization, microprocessor 1 reads frequency range, acceleration amplitude and three parameters of cross-over frequency of dither limit acceleration evaluation test from host computer 8;
Step 3: according to the feedback result closed loop of last one-period the adjust amplitude and the frequency of current time domain waveform, wait for that output is interrupted and sampling is interrupted,,, otherwise continue to wait for if sampling is interrupted then forwarded step B to if output is interrupted then changed steps A over to; Test data acquisition module 3 is simultaneously monitored two groups of contact contact conditions of measured relay by contact monitoring modular 11, and is uploaded to host computer 8 by communication module 2;
Steps A: when microprocessor 1 is received the trigger pip of inner first timer, enter the output interrupt routine, result of calculation is outputed to D/A converter module 4, and interrupt returning, enter the wait interruption status from output; After D/A converter module 4 is received data, the corresponding change of output analog voltage, and through power amplifier module 9 driving electromagnetic vibration generator systems 10;
Step B: when microprocessor 1 is received the trigger pip of inner second timer, enter the sampling interrupt routine, the A/D transformation result of microprocessor reading of data acquisition module 3, acquisition is through the acceleration signal of the table top of the electromagnetic vibration generator system 10 of electric charge amplification module 7 and acceleration transducer 6 transmission, read and judge whether to gather full one-period data after finishing, not, then return, enter the wait interruption status from the sampling interrupt routine; Be that then calculating is synthesized next periodic signal and returned from the sampling interrupt routine, enters the wait interruption status;
Step C: when contact monitoring modular 11 monitor get an electric shock occur trembling disconnected, tremble and close phenomenon and send to host computer 8, host computer 8 sends information to microprocessor 1, microprocessor 1 interrupts current test, the acceleration amplitude and the acceleration frequency of record current period, and execution dither limit acceleration evaluation test program, in this frequency, reduce acceleration peak value, increase frequency sweep density and carry out frequency sweep and carry out the dither test, determine to tremble to close, tremble disconnected frequency range and minimum acceleration value; After determining to finish, continue the test interrupted just now, disconnected incentive condition is closed, trembled to next the trembling of search up to off-test; And record is trembled and is closed or tremble disconnected minimum acceleration amplitude and be sent to host computer 8 and store;
Step 4: judge whether test period finishes, and is, then enters step 5; , then do not return step 3;
Step 5: microprocessor 1 locking output, return step 1.
Wherein the parameter of dither limit acceleration evaluation test is frequency range 10～3000Hz, acceleration amplitude 300m/s
2, frequency change rate 2.32Hz/s carries out frequency sweep test; Occur in the process of the test trembling and close or tremble disconnected phenomenon, then tremble with the search of the frequency change rate of 1Hz/s and close or tremble disconnected frequency range, the search back that finishes is closed and is trembled in the disconnected frequency range trembling, respectively to quicken amplitude: 290m/s
2, 280m/s
2, 270m/s
2..., 1Hz/s carries out frequency sweep, trembles and closes or tremble disconnected acceleration amplitude up to finding out minimum.
It is as follows to adopt this device to carry out the step of random vibration test:
Step 1: the test type of setting in the host computer 8 is random vibration test and random vibration test parameter;
Step 2: acceleration power spectral density and total two parameters of root mean square accekeration of random test are read in test initialization, microprocessor 1 from host computer 8;
Step 3: calculate the acceleration amplitude of next time data frame according to the feedback result of a last time frame, wait for that output is interrupted and sampling is interrupted,,, otherwise continue to wait for if sampling is interrupted then forwarded step B to if output is interrupted then changed steps A over to; Test data acquisition module 3 is simultaneously monitored two groups of contact contact conditions of measured relay by contact monitoring modular 11, and is uploaded to host computer 8 by communication module 2;
Steps A: when microprocessor 1 is received the trigger pip of inner first timer, enter the output interrupt routine, result of calculation is outputed to D/A converter module 4, and interrupt returning, enter the wait interruption status from output; After D/A converter module 4 is received data, the corresponding change of output analog voltage, and through power amplifier module 9 driving electromagnetic vibration generator systems 10;
Step B: when microprocessor 1 is received the trigger pip of inner second timer, enter the sampling interrupt routine, the A/D transformation result of microprocessor reading of data acquisition module 3, acquisition is through the acceleration signal of the table top of the electromagnetic vibration generator system 10 of electric charge amplification module 7 and acceleration transducer 6 transmission, read and judge whether to gather enough frame data after finishing, not, then return, enter the wait interruption status from the sampling interrupt routine; Be that then calculating is synthesized the signal of next time frame and returned from the sampling interrupt routine, enters the wait interruption status;
Step 4: judge whether test period finishes, and is, then enters step 5; , then do not return step 3;
Step 5: microprocessor 1 locking output, return step 1.
It is as follows to adopt this device to carry out the step of random vibration limit acceleration evaluation test:
Step 1: the test type of setting in the host computer 8 is random vibration limit acceleration evaluation test and random vibration limit acceleration evaluation test parameter;
Step 2: acceleration power spectral density and total two parameters of root mean square accekeration of random vibration limit acceleration evaluation test are read in test initialization, microprocessor 1 from host computer 8;
Step 3: calculate the acceleration amplitude of next time data frame according to the feedback result of a last time frame, wait for that output is interrupted and sampling is interrupted,,, otherwise continue to wait for if sampling is interrupted then forwarded step B to if output is interrupted then changed steps A over to; Test data acquisition module 3 is simultaneously monitored two groups of contact contact conditions of measured relay by contact monitoring modular 11, and is uploaded to host computer 8 by communication module 2;
Steps A: when microprocessor 1 is received the trigger pip of inner first timer, enter the output interrupt routine, result of calculation is outputed to D/A converter module 4, and interrupt returning, enter the wait interruption status from output; After D/A converter module 4 is received data, the corresponding change of output analog voltage, and through power amplifier module 9 driving electromagnetic vibration generator systems 10;
Step B: when microprocessor 1 is received the trigger pip of inner second timer, enter the sampling interrupt routine, the A/D transformation result of microprocessor reading of data acquisition module 3, acquisition is through the acceleration signal of the table top of the electromagnetic vibration generator system 10 of electric charge amplification module 7 and acceleration transducer 6 transmission, read and judge whether to gather enough frame data after finishing, not, then return, enter the wait interruption status from the sampling interrupt routine; Be that then calculating is synthesized the signal of next time frame and returned from the sampling interrupt routine, enters the wait interruption status;
Step C: when contact monitoring modular 11 monitor get an electric shock occur trembling disconnected, tremble and close phenomenon and send to host computer 8, host computer 8 sends information to microprocessor 1, microprocessor 1 interrupts current test, the time-domain signal of record current time frame, and the acceleration amplitude of reduction time-domain signal, and carry out random vibration limit acceleration evaluation test program, and the acceleration amplitude that reduces time-domain signal carries out random vibration test, determines to tremble to close, tremble disconnected minimum acceleration value; After determining to finish, continue the test interrupted just now, disconnected incentive condition is closed, trembled to next the trembling of search up to off-test; And record is trembled and is closed or tremble disconnected minimum acceleration amplitude and be sent to host computer 8 and store;
Step 4: judge whether test period finishes, and is, then enters step 5; , then do not return step 3;
Step 5: microprocessor 1 locking output, return step 1.
Wherein the parameter of random vibration limit acceleration evaluation test is an acceleration power spectral density: 40 (m/s
2)
2, total root mean square accekeration 239.1m/s
2Carry out random vibration test, occur in the process of the test trembling and close or tremble disconnected phenomenon, then repeat the time-domain signal of current time frame and progressively reduce acceleration amplitude, tremble and close or tremble disconnected accekeration up to finding out minimum.
Claims (2)
1. electromagnetic relay dynamic environmental test system, it comprises microprocessor (1), communication module (2), D/A converter module (4), storer (5), host computer (8), power amplifier module (9) and electromagnetic vibration generator system (10); Microprocessor (1) is by on address bus and the data bus connected storage (5), the data output end of microprocessor (1) connects the data input pin of D/A converter module (4), the analog signal output of D/A converter module (4) connects the input end of analog signal of power amplifier module (9), the output terminal of power amplifier module (9) connects the driving input end of electromagnetic vibration generator system (10), it is characterized in that electromagnetic relay dynamic environmental test system also comprises data acquisition module (3), acceleration transducer (6), electric charge amplification module (7) and contact monitoring modular (11); Measured relay (12) and acceleration transducer (6) are arranged on the electromagnetic vibration generator system (10), the input end of analog signal of contact monitoring modular (11) connects on the contact of measured relay (12), the output terminal of acceleration transducer (6) connects the input end of electric charge amplification module (7), the analog signal output of electric charge amplification module (7) and the analog signal output of contact monitoring modular (11) are connected the input end of analog signal of data acquisition module (3) respectively, the data output end of data acquisition module (3) connects the data input pin of microprocessor (1) and the data input pin of communication module (2) respectively, microprocessor (1) is connected in series with communication module (2), and communication module (2) connects on the USB port of host computer (8).
2. electromagnetic relay dynamic environmental test system according to claim 1 is characterized in that contact monitoring modular (11) is made up of the first operational amplifier L1, the second operational amplifier L2, first resistance R, 1 to the 9th resistance R 9 and first capacitor C, 1 to the 4th capacitor C 4; The relay first electric shock signal output terminal connects an end of the 5th resistance R 5, one end of the 7th resistance R 7 and the pin 3 of the first operational amplifier L1, the other end of the 5th resistance R 5 connects the 5V power supply, the relay second electric shock signal output terminal connects the other end and the ground connection of the 7th resistance R 7, the pin 4 of the first operational amplifier L1 connects the end of the 8th resistance R8 and an end of the 3rd capacitor C 3, other end connection-12V the power supply of the 8th resistance R8, the other end ground connection of the 3rd capacitor C 3, the pin 7 of the first operational amplifier L1 connects an end of first resistance R 1 and an end of first capacitor C 1, other end connection+12V the power supply of first resistance R 1, the other end ground connection of first capacitor C 1, the pin two of the first operational amplifier L1 is connected an end of the 6th resistance R 6 with pin 6, the other end of the 6th resistance R 6 connects the pin 3 of the second operational amplifier L2, the pin 4 of the second operational amplifier L2 connects the end of the 9th resistance R9 and an end of the 4th capacitor C 4, other end connection-12V the power supply of the 9th resistance R9, the other end ground connection of the 4th capacitor C 4, the pin 7 of the second operational amplifier L2 connects an end of second resistance R 2 and an end of second capacitor C 2, other end connection+12V the power supply of second resistance R 2, the other end ground connection of second capacitor C 2, the pin 6 of the second operational amplifier L2 connects an end and the electric shock state output end of the 4th resistance R 4, the pin two of the other end of the 4th resistance R 4 and the second operational amplifier L2 is connected an end of the 3rd resistance R 3, the other end ground connection of the 3rd resistance R 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100643513A CN101261310B (en) | 2008-04-22 | 2008-04-22 | Electromagnetic relay dynamic environmental test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100643513A CN101261310B (en) | 2008-04-22 | 2008-04-22 | Electromagnetic relay dynamic environmental test system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101261310A CN101261310A (en) | 2008-09-10 |
| CN101261310B true CN101261310B (en) | 2010-06-02 |
Family
ID=39961897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100643513A Expired - Fee Related CN101261310B (en) | 2008-04-22 | 2008-04-22 | Electromagnetic relay dynamic environmental test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101261310B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103063250A (en) * | 2012-12-25 | 2013-04-24 | 苏州长菱测试技术有限公司 | System and method for vibration test equipment fault monitoring |
| CN103954912A (en) * | 2014-05-05 | 2014-07-30 | 上海沪工汽车电器有限公司 | Method for monitoring shaking of relay contacts of automobile junction box |
| CN106052991B (en) * | 2016-05-24 | 2018-11-27 | 贵州航天电子科技有限公司 | A kind of product mistake reaction test system |
| CN106568566A (en) * | 2016-10-21 | 2017-04-19 | 中国电力科学研究院 | Dry type hollow parallel reactor anti-vibration test method and system |
| CN109001618A (en) * | 2017-06-06 | 2018-12-14 | 国网浙江省电力公司电力科学研究院 | A kind of unstable open-circuit fault reproducing method of electromagnetic relay and system |
| CN108414925A (en) * | 2018-01-31 | 2018-08-17 | 中国航空综合技术研究所 | A kind of test device that the mechanical action of vibration environment lower switch controllably applies |
| CN110624807A (en) * | 2018-06-21 | 2019-12-31 | 刘云轩 | All-digital electromagnetic vibration table system and working method thereof |
| CN109959495B (en) * | 2019-04-09 | 2021-03-02 | 哈尔滨工业大学 | Vibration table negative feedback failure detection system of device redundancy particle collision detection device and detection method thereof |
| CN114236384B (en) * | 2021-12-10 | 2023-10-03 | 歌尔股份有限公司 | Method, equipment and storage medium for generating sweep frequency characteristic curve |
| CN114674513A (en) * | 2022-03-28 | 2022-06-28 | 深圳市永达电子信息股份有限公司 | Performance test system and method for vibration reliability of circuit interface |
| CN116754163B (en) * | 2023-06-13 | 2023-12-05 | 哈尔滨工业大学 | Bending load test system and method suitable for ceramic capacitor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4061964A (en) * | 1975-07-14 | 1977-12-06 | Hitachi, Ltd. | Armature operation-release testing apparatus |
| CN2620283Y (en) * | 2003-06-03 | 2004-06-09 | 南京大学 | Automatic fast measurer for relay |
-
2008
- 2008-04-22 CN CN2008100643513A patent/CN101261310B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4061964A (en) * | 1975-07-14 | 1977-12-06 | Hitachi, Ltd. | Armature operation-release testing apparatus |
| CN2620283Y (en) * | 2003-06-03 | 2004-06-09 | 南京大学 | Automatic fast measurer for relay |
Non-Patent Citations (1)
| Title |
|---|
| JP昭64-80876A 1989.03.27 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101261310A (en) | 2008-09-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101261310B (en) | Electromagnetic relay dynamic environmental test system | |
| CN203940782U (en) | A kind of antiaircraft gun automatic machine parameter test device | |
| CN101446255B (en) | Fuel rail assembly pressure pulsation tester and testing method thereof | |
| CN103018651A (en) | On-chip testing system of micro-electromechanical system (MEMS) device and testing method thereof | |
| CN101408553B (en) | Rotary peed-measuring and frequency outputting device | |
| CN104391501B (en) | A kind of condition monitoring system and method for Supervisory Computer Control System For Hydroelectic Power Plant | |
| CN102410781A (en) | Detection device and detection method for frequency of artillery launchings | |
| CN113589063B (en) | Lightning arrester valve plate pressure-sensitive characteristic evaluation system and method under multiple lightning strike actions | |
| CN101561509A (en) | Tri-component digital geophone and acquisition method thereof | |
| CN100492031C (en) | Measuring system for surge protector transient protective level based on differential input | |
| CN104459417A (en) | Energy tolerance testing device and method | |
| CN201199257Y (en) | High-voltage impulse tester | |
| CN105182203A (en) | Device and method for detecting partial discharge of power capacitor | |
| CN102135444A (en) | Portable power mechanical-vibration measurement analyzer | |
| CN202049225U (en) | Synchronous intelligent calibration device for power generator | |
| CN203788304U (en) | Device for testing function of hardware interface | |
| CN203038025U (en) | Optical phase-shifting interferometer vibration resistance experiment platform intelligent control system | |
| CN203249936U (en) | A magnetoelectric tachometric sensor experiment apparatus | |
| CN206223321U (en) | A kind of temperature and humidity pressure measuring circuit of low-cost and high-precision | |
| CN105403799A (en) | Electrostatic transducer reliability analysis method and system | |
| CN109600705B (en) | Loudspeaker life test system | |
| CN116155143A (en) | Method and device for acquiring motor parameters | |
| CN101576524B (en) | Detection device for dynamical contacting impedance of magnetic reed pipe and detection method thereof | |
| CN208270065U (en) | A kind of practical gas turbine Vibration-Measuring System | |
| CN111781444A (en) | Automatic testing system and method for grid-connected single machine |
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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100602 Termination date: 20130422 |