CN106249178A - A kind of alternating current parameter detection and aging testing system - Google Patents
A kind of alternating current parameter detection and aging testing system Download PDFInfo
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- CN106249178A CN106249178A CN201610802531.1A CN201610802531A CN106249178A CN 106249178 A CN106249178 A CN 106249178A CN 201610802531 A CN201610802531 A CN 201610802531A CN 106249178 A CN106249178 A CN 106249178A
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- 238000012360 testing method Methods 0.000 title claims abstract description 90
- 230000032683 aging Effects 0.000 title claims abstract description 29
- 238000001514 detection method Methods 0.000 title claims abstract description 23
- 238000005070 sampling Methods 0.000 claims abstract description 46
- 238000004891 communication Methods 0.000 claims abstract description 37
- 238000012545 processing Methods 0.000 claims abstract description 35
- 238000000034 method Methods 0.000 claims abstract description 8
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/40—Testing power supplies
- G01R31/42—AC power supplies
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/22—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of ac into dc
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/06—Arrangements for measuring electric power or power factor by measuring current and voltage
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Abstract
The present invention relates to alternating current parameter detection and the technical field of burn-in test, refer in particular to a kind of alternating current parameter detection and aging testing system.It include ac parameter test module, ipc monitor module, for ac parameter is tested module be connected with ipc monitor module communicate total communication module and alternating current power supply；Ac parameter test module include for detect gather product alternating current parameter electric parameter sampling module, for process and preserve the data of electric parameter sampling module collection processing module and for the alternating current from alternating current power supply is converted to unidirectional current output direct current supply module, processing module is connected with described electric parameter sampling module；The data of preservation are sent in ipc monitor module carry out result and show by processing module；Ac parameter test module includes multiple described electric parameter sampling module.Substantially increase the efficiency of burn-in test, reduce production cost, can effectively prevent bad product from coming into the market.
Description
Technical field
The present invention relates to alternating current parameter detection and the technical field of burn-in test, refer in particular to a kind of alternating current parameter
Detection and aging testing system.
Background technology
Exchange product test in the market, such as LED, fluorescent tube etc., production producer majority is to pass through
Being energized to product, then the range estimation product whether method such as luminous, the most original, also cannot accurately know whether product reaches design
Parameter request, such as whether size of current in the range of design, and active power is the most up to standard, and whether power factor reaches sets
Meter requirement etc., also having part producer is often the operating current of simple test product, and not input voltage to product, work
Active power, power factor etc. detects, and the reliability of the product that causes dispatching from the factory can not get ensureing, it is impossible to effectively prevents from not conforming to
Lattice product comes into the market.
The aging monitoring measuring technology of existing AC light series products mainly faces problems with, or simply estimates product
Luminescence is the most normal, it is impossible to know alternating current parameter such as alternating voltage, alternating current, active power, power factor etc. accurate
Numerical value, it is impossible to judge whether product reaches the parameter request of design, the reliability of the product that causes coming into the market can not get effectively protecting
Barrier；Expensive Special alternating-current electric parameter test class instrument is used to detect, and due to an instrument one-time detection one
Individual product, efficiency is very low and cost of labor and instrument cost are the highest.
Summary of the invention
The defect that the present invention is directed to cannot detect in problem of the prior art the alternating current parameter of test product provides one
Alternating current parameter detection and aging testing system, can test alternating current parameter comprehensively, effectively prevent bad product from coming into the market.
In order to solve above-mentioned technical problem, the present invention adopts the following technical scheme that
A kind of alternating current parameter detection that the present invention provides and aging testing system, including ac parameter test module, upper
Machine monitoring module, for total communication module ac parameter being tested module be connected with ipc monitor module communicate and exchange
Power supply；
Described ac parameter test module include for detect gather product alternating current parameter electric parameter sampling module,
For processing and preserve the processing module of the data that electric parameter sampling module gathers and for by the alternating current from alternating current power supply
Being converted to the direct current supply module of unidirectional current output, described processing module is connected with described electric parameter sampling module；
The data of preservation are sent to carry out result in described ipc monitor module and show by described processing module；
Described ac parameter test module includes multiple described electric parameter sampling module；
Described electric parameter sampling module includes alternating voltage sampling circuit and alternating current sample circuit, described electric parameter sampling mould
Multiple test interface for detecting the alternating current parameter gathering product it is provided with on block.
Wherein, described total communication module after the signal of ipc monitor module is converted to RS485 signal of communication with
Described processing module connects, and described ac parameter test module also includes for being converted to by the signal of communication of processing module
The secondary communication module that RS232 signal of communication is connected with ipc monitor module, described secondary communication module is with processing module even
Connect.
Wherein, the light thermocouple for carrying out Phototube Coupling it is provided with between described processing module and described secondary communication module
Clutch.
Wherein, described direct current supply module is provided with power supply adaptor, the input of described power supply adaptor and described friendship
Stream power supply connects, and described electric parameter sampling module and processing module are provided with power supply interface, the output of described power supply adaptor
End power supply interface with described electric parameter sampling module and processing module respectively is connected.
Wherein, described ipc monitor module is provided with man-machine interaction circle of the ac parameter data for showing product
Face.
Wherein, also include for providing high temperature test environment and the heating air draft module of low-temperature test environment for product,
It is provided with the temperature detecting module for detecting product work ambient temperature in described heating air draft module.
Wherein, also including warning alert module, described warning alert module is powered by described direct current supply module,
Described warning alert module is connected with temperature detecting module, ac parameter test module respectively.
Wherein, the electric current for isolating ac high-voltage it is provided with between described test interface and described electric parameter sampling module
Transformer.
Wherein, it is provided with the voltage for isolating ac high-voltage between described ac parameter test module and alternating current power supply
Transformer.
Beneficial effects of the present invention:
A kind of alternating current parameter detection that the present invention provides and aging testing system, can the simultaneously multiple product of test monitoring, a set of
The integrated multiple modules of device systems can simultaneously hundreds of above products of test monitoring, and whether can close with automatic discrimination product
Lattice, and record product test ageing parameter automatically, facilitate subsequent statistical analysis, thus substantially increase the effect of burn-in test
Rate, shortens the production cycle, reduces production cost, can effectively prevent bad product or not meet the product inflow city of design parameter
, good reliability.
Accompanying drawing explanation
Fig. 1 is the detection of a kind of alternating current parameter and the theory diagram of aging testing system of the present invention.
Fig. 2 is the circuit diagram of the alternating voltage sampling circuit of the electric parameter sampling module of the present invention.
Fig. 3 is the circuit diagram of the alternating current sample circuit of the electric parameter sampling module of the present invention
Reference in fig. 1-3 includes:
The 1 ac parameter test total communication module of module 2 ipc monitor module 3
4 electric parameter sampling module 5 processing module 6 alternating current power supplys
7 direct current supply module 8 test interface 9 secondary communication module
10 heating air draft module 11 warning alert modules.
Detailed description of the invention
For the ease of the understanding of those skilled in the art, the present invention is made further with accompanying drawing below in conjunction with embodiment
Bright, that embodiment is mentioned content not limitation of the invention.Below in conjunction with accompanying drawing, the present invention is described in detail.
The present invention provide a kind of alternating current parameter detection and aging testing system, including ac parameter test module 1,
Ipc monitor module 2, it is connected the mould that always communicates of communication with ipc monitor module 2 for ac parameter is tested module 1
Block 3 and alternating current power supply 6；
Described ac parameter test module 1 includes the electric parameter sampling module for detecting the alternating current parameter gathering product
4, for processing and preserve the processing module 5 of the data that electric parameter sampling module 4 gathers and for by the friendship from alternating current power supply 6
Stream electricity is converted to the direct current supply module 7 of unidirectional current output, and described processing module 5 is connected with described electric parameter sampling module 4；
The data of preservation are sent to carry out result in described ipc monitor module 2 and show by described processing module 5；
Described ac parameter test module 1 includes multiple described electric parameter sampling module 4；
Described electric parameter sampling module 4 includes alternating voltage sampling circuit and alternating current sample circuit, and described electric parameter is sampled
Multiple test interface 8 for detecting the alternating current parameter gathering product it is provided with in module 4.
Specifically, described alternating current power supply 6 is by after line voltage adaptation, ipc monitor module 2 and ac parameter are surveyed respectively
Die trial block 1 is powered, and meanwhile, line voltage is converted to unidirectional current supply electric parameter sampling module 4 He by described direct current supply module 7
Processing module 5；Described electric parameter sampling module 4 carries out sample collection, described process mould to alternating voltage, the alternating current of product
Alternating voltage and alternating current are contrasted by block 5 and calculating processes, and obtain power factor (PF), active power, conversion efficiency, and will
Data preserve, and these data can store in power down, will not lose after power down；Described processing module 5 can be incited somebody to action by total communication module 3
Data are transferred to ipc monitor module 2 and show, it is simple to operator check and operate；Described ac parameter is tested
Module 1 includes multiple described electric parameter sampling module 4 and can realize multiple products are detected and monitored, it is adaptable to large quantities of
The product of amount detects and monitors, and reduces equipment cost and operator's cost.
Specifically, such as Fig. 2, the alternating voltage sampling circuit of described electric parameter sampling module 4, resistance R131, electricity are included
Resistance R132, resistance R133, resistance R134, resistance R125, electric capacity C101, electric capacity C108, diode D1, diode D2, amplifier
One end of the 1 terminating resistor R133 of LF353 and amplifier LF354, described amplifier LF353, the other end of described resistance R133
Connect 3 ends of amplifier LF354, the 3 end ground connection of described amplifier LF353, the 2 terminating resistor R131's of described amplifier LF353
One end, the other end of described resistance R131 is connected with tested product, one end of described resistance R132 and the 2 of amplifier LF353
End connects, and the other end of described resistance R132 is connected with 1 end of amplifier LF353, one end of described electric capacity C101 and amplifier
2 ends of LF353 connect, the other end ground connection of described electric capacity C101；One end of described resistance R134 and 3 ends of amplifier LF354
Connecting, another termination 3.3V voltage of described resistance R134,2 ends of described amplifier LF354 are connected with one end of resistance R125,
1 end of amplifier LF354 is connected with one end of resistance R125, and the other end of described resistance R25 is connected with terminals AD, described in connect
Line end AD is connected to chip TMS 320 F 2812；One end of described electric capacity C108 is connected with terminals AD, another of described electric capacity C108
End ground connection, the anode of described diode D1 is connected with the negative electrode of diode D2, and the negative electrode of described diode D1 meets 3.3V voltage, institute
State the plus earth of diode D1；Described amplifier LF353 constitutes voltage follower, resistance R131 and electric capacity C101 to suppress
Interference, described amplifier LF354 is for lifting level, and the signal boost that will be around zero level fluctuation is unipolar signal, institute
State diode D1 and D2 and carry out voltage follow.
Specifically, such as Fig. 3, the alternating current sample circuit of described electric parameter sampling module 4, including amplifier LF1, amplification
Device LF2, electric capacity C3, electric capacity C4, resistance R9, resistance R10, resistance R11, resistance R12, resistance R13, resistance R14, resistance R15, two
Pole pipe D3 and diode D4,3 ends of described amplifier LF1 are connected with one end of resistance R11, another termination of described resistance R11
Ground, one end ground connection of described resistance R9, the other end of described resistance R9 is connected with one end of resistance R10, and described resistance R10's is another
One end is connected with 2 ends of amplifier LF1, and described electric capacity C4 is in parallel with resistance R9；1 end of described amplifier LF1 is with resistance R14's
One end connects, and the other end of described resistance R14 is connected with 3 ends of amplifier LF2,1 end of described amplifier LF2 and resistance R15
One end connect, 2 ends of described amplifier LF2 are connected with 1 end of amplifier LF2, the other end of described resistance R15 and terminals
ADC connects, and described terminals ADC is connected to chip TMS 320 F 2812；The negative electrode of described diode D4 connects with the anode of diode D3
Connect, the negative electrode of described diode D3 connect voltage input VCC, the plus earth of described diode D4, one end of described electric capacity C3 with
The negative electrode of diode D4 connects, and the other end ground connection of described electric capacity C3, the negative electrode of described diode D4 is connected with terminals ADC；
Alternating current, after electric capacity C4 filters, is sampled, and current signal is transformed to voltage signal, then by operational amplifier LF1,
LF2 constitutes phase inverter, and diode D3 and D4 constitutes amplitude limiter circuit, it is ensured that output voltage signal, at 0-3V, meets chip
The digital-to-analogue conversion input reference signal of TMS320F2812.
Specifically, described ac parameter test module 1 includes multiple described electric parameter sampling module 4, described electricity ginseng
Amount sampling module 4 is provided with multiple test interface 8, can monitor simultaneously and test multiple product, and can automatically identify product
Product are the most qualified and record product tests ageing parameter, are also convenient for follow-up statistical analysis, it is preferable that described test interface 8
Quantity be 16, the test interface of odd number is for testing the alternating current of product 8, and the test interface 8 of even numbers is used for testing product
The alternating voltage of product.
A kind of alternating current parameter detection that the present invention provides and aging testing system, described total communication module 3 for by
The signal of position machine monitoring module 2 is connected with described processing module 5 after being converted to RS485 signal of communication, and described ac parameter is surveyed
Die trial block 1 also includes for the signal of communication of processing module 5 is converted to RS232 signal of communication and ipc monitor module 2
The secondary communication module 9 connected, described secondary communication module 9 is connected with processing module 5.Specifically, described secondary communication module 9
The signal of communication of processing module 5 is converted to RS232 signal of communication realize being connected with ipc monitor module 2, it is possible to achieve long
The reliable communication of distance, tests the integral monitoring of module 1 for ipc monitor module 2 and ac parameter and controls to provide signal
Connect；RS232 signal of communication is converted to RS485 signal of communication and realizes and process the connection without module by described total communication module 3.
A kind of alternating current parameter that the present invention provides detects and aging testing system, described processing module 5 and described secondary
The photoelectrical coupler for carrying out Phototube Coupling it is provided with between communication module 9.Specifically, described photoelectrical coupler can realize
Phototube Coupling, stable and reliable in work, strong interference immunity.
A kind of alternating current parameter that the present invention provides detects and aging testing system, and described direct current supply module 7 is provided with
Power supply adaptor, the input of described power supply adaptor is connected with described alternating current power supply 6, described electric parameter sampling module 4 and place
Reason module 5 be provided with power supply interface, the outfan of described power supply adaptor respectively with described electric parameter sampling module 4 and process
The power supply interface of module 5 connects.Specifically, the electrical network of alternating current power supply 6 is handed over by described direct current supply module 7 by power supply adaptor
Stream electricity is converted to unidirectional current output, and unidirectional current output by after transformer isolation, exports two-way power supply, then carries out rectification filter again
Ripple, then accesses manostat, and this two-way power supply is respectively secondary communication module 9 and ac parameter test module 1 is powered, it is achieved
Ac parameter test module 1 and the electrical isolation of extraneous power supply, improve safety, ensure that stable operating voltage is reliable simultaneously.
A kind of alternating current parameter that the present invention provides detects and aging testing system, and described ipc monitor module 2 is arranged
There is the human-computer interaction interface of ac parameter data for showing product.Specifically, described ipc monitor module 2 reads respectively
The alternating current parameter of individual product includes that alternating voltage, alternating current, power factor (PF), active power, conversion efficiency carry out processing also
Display is shown to operator on described human-computer interaction interface and checks, and is shown the normal work of product by different colors
Making state, abnormal operation, communication lost contact state, described human-computer interaction interface can monitor hundreds of to thousands of products simultaneously
The duty of product and running parameter, owing to have employed different colors to distinguish the duty that product is different so that product
Abnormal operation very clear, it is simple to operator use.
A kind of alternating current parameter that the present invention provides detects and aging testing system, also includes for providing height for product
Temperature test environment and the heating air draft module 10 of low-temperature test environment, described heating air draft module 10 is provided with for detecting product
The temperature detecting module of product operating ambient temperature.Specifically, the working environment of product can be carried out by described heating exhaust system
Heat up or air draft cooling, product duty in the environment of high temperature or low temperature, described temperature detecting module can be detected respectively
The operating ambient temperature of product can be detected, it is simple to operator operate.
A kind of alternating current parameter that the present invention provides detects and aging testing system, also includes warning alert module 11,
Described warning alert module 11 is powered by described direct current supply module 7, and described warning alert module 11 is examined with temperature respectively
Survey module, ac parameter test module 1 connects.Specifically, described warning alert module 11 can detect the exception of product
Carry out during situation reporting to the police to remind product to go wrong；Can also carry out reporting to the police to remind associative operation when product completes test
Personnel；Specifically, described warning alert module 11 can also realize high temperature alarm according to wealthy value set in advance, facilitates user couple
The management and monitoring of large number quipments system, improves the safety of device systems simultaneously.
The detection of a kind of alternating current parameter and aging testing system, described test interface 8 and described electricity that the present invention provides are joined
It is provided with the current transformer for isolating ac high-voltage between amount sampling module 4.Specifically, described current transformer will exchange
Current sensing signal is input in ac parameter test module 1 sample for electric parameter sampling module 4, current transformer effectively every
Test module 1 from ac high-voltage with described ac parameter, improve safety and reliability.
A kind of alternating current parameter that the present invention provides detects and aging testing system, described ac parameter test module 1
And between alternating current power supply 6, it is provided with the voltage transformer for isolating ac high-voltage.Specifically, described voltage transformer will exchange
The induced signal of voltage is input in ac parameter test module 1 sample for electric parameter sampling module 4, described voltage transformer
Ac high-voltage can be isolated and test module 1 with ac parameter, it is ensured that ac parameter test module 1 is not by the shadow of ac high-voltage
Ring, improve safety and reliability.
Specifically, described voltage transformer summation current transformer be apply in alternating current circuit to alternating voltage with exchange
Electric current produces the device of electromagnetic induction signal by electromagnetic induction principle；Described voltage transformer summation current transformer has to be handed over
Electromagnetic isolation AC network and the effect of generation sensor current signal in stream signal acquisition process.
The above, be only present pre-ferred embodiments, and the present invention not makees any pro forma restriction, although
The present invention is open as above with preferred embodiment, but is not limited to the present invention, any those skilled in the art,
In the range of technical solution of the present invention, when the technology contents utilizing the disclosure above makes a little change or is modified to equivalent change
The Equivalent embodiments changed, as long as being without departing from technical solution of the present invention content, refers to above example according to the technology of the present invention
Any simple modification, equivalent variations and the modification made, belongs in the range of technical solution of the present invention.
Claims (9)
1. an alternating current parameter detection and aging testing system, it is characterised in that:
Including ac parameter test module, ipc monitor module, supervise for ac parameter being tested module and host computer
Control module connects total communication module and the alternating current power supply of communication；
Described ac parameter test module include for detect gather product alternating current parameter electric parameter sampling module,
For processing and preserve the processing module of the data that electric parameter sampling module gathers and for by the alternating current from alternating current power supply
Being converted to the direct current supply module of unidirectional current output, described processing module is connected with described electric parameter sampling module；
The data of preservation are sent to carry out result in described ipc monitor module and show by described processing module；
Described ac parameter test module includes multiple described electric parameter sampling module；
Described electric parameter sampling module includes alternating voltage sampling circuit and alternating current sample circuit, described electric parameter sampling mould
Multiple test interface for detecting the alternating current parameter gathering product it is provided with on block.
A kind of alternating current parameter detection the most according to claim 1 and aging testing system, it is characterised in that: described total logical
Letter module is connected with described processing module after the signal of ipc monitor module is converted to RS485 signal of communication, described
Ac parameter test module also includes for the signal of communication of processing module is converted to RS232 signal of communication and host computer
The secondary communication module that monitoring module connects, described secondary communication module is connected with processing module.
A kind of alternating current parameter detection the most according to claim 2 and aging testing system, it is characterised in that: described process
The photoelectrical coupler for carrying out Phototube Coupling it is provided with between module and described secondary communication module.
A kind of alternating current parameter detection the most according to claim 1 and aging testing system, it is characterised in that: described direct current
Supply module is provided with power supply adaptor, and the input of described power supply adaptor is connected with described alternating current power supply, described electric parameter
Sampling module and processing module are provided with power supply interface, and the outfan of described power supply adaptor is sampled with described electric parameter respectively
The power supply interface of module and processing module connects.
A kind of alternating current parameter detection the most according to claim 1 and aging testing system, it is characterised in that: described upper
Machine monitoring module is provided with the human-computer interaction interface of the ac parameter data for showing product.
A kind of alternating current parameter detection the most according to claim 1 and aging testing system, it is characterised in that: also include
For providing high temperature test environment and the heating air draft module of low-temperature test environment for product, described heating air draft module is arranged
There is the temperature detecting module for detecting product work ambient temperature.
A kind of alternating current parameter detection the most according to claim 6 and aging testing system, it is characterised in that: also include
Warning alert module, described warning alert module is powered by described direct current supply module, and described warning alert module is respectively
It is connected with temperature detecting module, ac parameter test module.
A kind of alternating current parameter detection the most according to claim 1 and aging testing system, it is characterised in that: described test
The current transformer for isolating ac high-voltage it is provided with between interface and described electric parameter sampling module.
A kind of alternating current parameter detection the most according to claim 1 and aging testing system, it is characterised in that: described exchange
It is provided with the voltage transformer for isolating ac high-voltage between electric parameter test module and alternating current power supply.
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| CN201610802531.1A CN106249178A (en) | 2016-09-05 | 2016-09-05 | A kind of alternating current parameter detection and aging testing system |
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Application publication date: 20161221 |