CN107870274A - A kind of low-pressure electronic equipment product experiment detection device and method for testing and detecting - Google Patents
A kind of low-pressure electronic equipment product experiment detection device and method for testing and detecting Download PDFInfo
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- CN107870274A CN107870274A CN201710962813.2A CN201710962813A CN107870274A CN 107870274 A CN107870274 A CN 107870274A CN 201710962813 A CN201710962813 A CN 201710962813A CN 107870274 A CN107870274 A CN 107870274A
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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
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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
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3277—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches
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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
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3277—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches
- G01R31/3278—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches of relays, solenoids or reed switches
Abstract
The invention discloses a kind of low-pressure electronic equipment product experiment detection device, including power module, signal processing module, display module, data storage transport module, data acquisition module, alarm module and protection module；The power module includes input power and powered for low-pressure electronic equipment product to be measured；The data acquisition module includes voltage acquisition module and current acquisition module, for gathering low-pressure electronic equipment product detection data to be measured；The data acquisition module passes through the data storage transport module and the signal processing module electrical bond；The protection module and the signal processing module electrical bond；The power supply output module and the protection module electrical bond；The alarm module and the signal processing module electrical bond.The invention also discloses a kind of low-pressure electronic equipment product method for testing and detecting, by the real-time data acquisition to key parameter, carries out overall merit, makes corresponding judgement, realizes the electrical endurance test monitoring protection to low-pressure electronic equipment product.
Description
Technical field
The present invention relates to the technical field of measurement and test of low-pressure electronic equipment product, tests and examines more particularly, to a kind of low-pressure electronic equipment product
Survey device and method for testing and detecting.
Background technology
Technologies for AC Low Voltage Circuit Breakers is widely used in power system power transmission and distribution as a kind of low-pressure electronic equipment product, product type
It is more, such as omnipotent breaker, breaker of plastic casing, miniature circuit breaker, residual current action breaker etc..According to actual use
Situation Technologies for AC Low Voltage Circuit Breakers applies in general to rated voltage and is no more than 1140V, and rated current is no more than 6300A, and frequency is
In 50Hz industrial and agricultural production and resident's daily life.Technologies for AC Low Voltage Circuit Breakers line maintenance and routine use process need into
Row closed and disconnected operates, in order to ensure that Technologies for AC Low Voltage Circuit Breakers has enough closures and breaking operation number.In above-mentioned correlation
Technologies for AC Low Voltage Circuit Breakers is defined in product standard under the rated current and rated voltage of electrical service life testing system, is closed
Close and number, frequency and the time of opening operation, the electrical endurance that the experiment is referred to as low-pressure electronic equipment product are tested.
The electrical endurance experiment ordinary test cycle of Technologies for AC Low Voltage Circuit Breakers is longer, and experiment is dangerous larger, tests process
In when there are abnormal conditions testing crew be difficult to find by external inspection, processing is not in time when thus causing to be in an emergency
Initiation accident, causes damage.Such as the machinery of certain model Technologies for AC Low Voltage Circuit Breakers handle during electrical endurance experiment is carried out
Operating mechanism fails, and testing crew is carrying out normal closed and disconnected operation from external observation handle, but low-voltage alternating-current breaks
The inside contact of road device is always maintained at closure state.Contact is kept closed so that having electric current to deposit in electrical service life testing system
, heat can be produced according to the presence of Joule's law reasoning electric current, persistently producing substantial amounts of heat can not distribute in time, therefore
Trigger fire in electrical service life testing system, cause huge economic loss.
CN201110454595.4 provides a kind of machinery and electrical service life testing system, and the system is included by least 20 sets
The supply unit that test loop is formed, supply unit connection distributed measurement control device, distributed measurement control device pass through
Communication bus is connected with centralized control apparatus, and centralized control apparatus is connected by Ethernet with remote supervisory and control(ling) equipment, distribution
Formula measure and control device and centralized control apparatus are connected by communication bus with data storage device, can complete up to 20 kinds simultaneously not
Same test parameters, the machinery of 120 different test products and the measurement in lab of electrical endurance.CN201220497155.7 discloses one
Kind relay contact electrical endurance experimental rig, including alternating current steady voltage plug, resistive load group and PLC test control cabinets, pass through
Cable, which is sequentially connected in series, to be formed, and the life-span of actual use situation that can be to contact carries out simulated test.
CN201510746352.6 propose a kind of residual current action breaker electrical endurance test operation device and
It is applied, and the device can realize that being automatically performed the operation that residual current action breaker handle closes, test button disconnects follows
Ring, the closed and disconnected for carrying out electrical endurance experiment to residual current action breaker operate.
CN201610154180.8 proposes a kind of circuit breaker of intelligent transformer substation electrical endurance loss and arc extinguishing merit rating
Method, using network message recorder in GOOSE net pull-in ranges target breaker open operation command message and corresponding disconnected
Road device open position message, is obtained at the time of protective relaying device or measure and control device send separating brake order and intelligent terminal is sent point
At the time of gate position message, breaker arcing start time is calculated, overall merit is carried out according to the sequence of gathered data.
CN201220314265.5 proposes a kind of electric remaining life prediction meanss of breaker, the device direct measurement breaker
Closing time, overvoltage, drop-out current, ambient pressure, access times and insulating coefficient, and using these as input quantity, profit
The prediction of breaker service life is realized with A/D converter, processor, translation circuit, industrial computer and transport module.
CN201110434114.3 proposes a kind of detection means of magnetic switch electrical endurance, can simulate a variety of surveys
Test ring border, so as to detect electrical endurance of the magnetic switch under different simulated environments, have and test the advantages of accurate, and the dress
Put simple in construction, cost is low.CN201410627879.2 proposes a kind of electric life test protection device of breaker and its fortune
Line mode, the real-time prison of the data such as test period, test number (TN) during the device is tested electrical endurance by hardware circuit
Survey is judged and protected.
Although above-mentioned prior art is from electrical service life testing system, electrical endurance operation device, electrical endurance loss and pre-
Survey, electrical endurance detects, electrical endurance tests protection device etc. and tests electrical endurance expansion research.But in low tension
During the electrical endurance experiment of device product, key parameter is rated voltage, rated current, conduction time, interval time, experiment
Number, above-mentioned five parameters are associated, it is necessary to be monitored simultaneously, overall merit are then carried out, to judge electrical endurance
Abnormal conditions whether occur during experiment, and take safeguard measure in time.The present invention is from passing through the real-time number to key parameter
According to collection, overall merit is carried out, makes corresponding judgement, realize the electrical endurance test monitoring protection to low-pressure electronic equipment product.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of low-voltage electrical apparatus that can detect experiment low-pressure electronic equipment product
Product testing detection means and method for testing and detecting, guarantor is monitored for the electrical endurance experiment process of low-pressure electronic equipment product
Shield, overcome prior art imperfect to low-pressure electronic equipment product electrical endurance experiment process key parameter monitoring, some failures are showed
The defects of as taking the deficiency of safeguard measure when can not find and break down in time.
To achieve these goals, the present invention uses following technical scheme：
A kind of low-pressure electronic equipment product experiment detection device, including power module, signal processing module, display module, data storage
Transport module, data acquisition module, alarm module and protection module；The power module includes input power and out-put supply,
The out-put supply is powered for low-pressure electronic equipment product to be measured；The data acquisition module includes voltage acquisition module and current acquisition
Module, for gathering low-pressure electronic equipment product detection data to be measured；The data acquisition module transmits mould by the data storage
Block and the signal processing module electrical bond；The protection module and the signal processing module electrical bond；The power supply
Output module and the protection module electrical bond；The alarm module and the signal processing module electrical bond.
As a kind of perferred technical scheme, the protection module is vacuum circuit breaker.
As a kind of perferred technical scheme, the alarm module is buzzer.
As a kind of perferred technical scheme, the current acquisition module is Rogowski coil.
A kind of low-pressure electronic equipment product experiment detection device of the present invention, voltage acquisition module and current acquisition module collection are low
Voltage data and current data of the electric equipment products during testing inspection are pressed, voltage data and current data pass through data storage
After defeated module transfer to signal processing module processing, the voltage oscillogram on display module during real-time display testing inspection
And the oscillogram and peak value of peak value and test current, the numerical value of conduction time, the numerical value of interval time, the numerical value of test number (TN).
Signal processing module can include the setting peak value of voltage, the peak value of setting electric current, the numerical value of conduction time, interval with setup parameter
The numerical value of time, the numerical value of test number (TN), and integrate commenting by the real time data to above-mentioned five parameters and setup parameter
Valency, draw the logic judgment that abnormal conditions whether occur during testing；Low-pressure electronic equipment product to be measured and power supply output module electricity
Connection, when detecting fault message during test monitoring, protection module, which exports the power supply of power supply output module, to be disconnected, and is shown
Show that module shows fault message, alarm module sends warning, so as to find, show fault message in time and by low-voltage electrical apparatus
The dump of product, effectively low-pressure electronic equipment product is protected to prevent potential safety hazard simultaneously.
According to the structure of above low-voltage electrical apparatus experiment detection device, the invention also provides a kind of low-pressure electronic equipment product is tested
Detection method, comprise the following steps：S1, the institute by low-pressure electronic equipment product to be measured and the low-pressure electronic equipment product experiment detection device
State out-put supply electrical connection；The data acquisition module of the low-pressure electronic equipment product experiment detection device and low-pressure electronic equipment product to be measured
Electrically combine；S2, predeterminated voltage peak is set on the signal processing module of the low-pressure electronic equipment product experiment detection device
Value UP, predetermined current peak IP, default conduction time T, preset interval time t, default test number (TN) N；S3, carry out low-voltage electrical apparatus
Product testing detects；The voltage acquisition module, the data transfer of current acquisition module collection are transmitted by the data storage
Module is stored and transmitted to the signal processing module and handled, and obtains test voltage peak value US, test current peak IS, it is real
Border conduction time TS, actual interval time tS, test number (TN) NS；Whether S4, the signal processing module judge low-pressure electronic equipment product
Failure：By test voltage peak value US, test current peak IS, actual conduction time TS, actual interval time tS, test number (TN) NSPoint
Not with the predeterminated voltage peak value UP, predetermined current peak IP, default conduction time T, preset interval time t, default test number (TN)
N is contrasted；If S5, S4 judge that low-pressure electronic equipment product has failure, the protection module is defeated by the power supply of the out-put supply
Go out to disconnect；The display module shows fault message, and the alarm module sends warning；If S6, S4 judge low-pressure electronic equipment product
In the absence of failure, testing inspection terminates.UP、IP, T, t, N mutually should be predeterminated voltage peak value, predetermined current peak value, default logical respectively
Electric time, preset interval time, default test number (TN), carry out the low-voltage electrical apparatus of electrical endurance experiment as needed by testing crew
The actual parameter setting of product.
As a kind of perferred technical scheme, whether signal processing module described in the step S4 judges low-pressure electronic equipment product
The method of failure is：Work as US>1.1UPOr US<0.9 UPWhen be determined as power failure；Work as IS>1.1IPOr IS<0.9IPWhen be determined as
Current failure；Work as TS>1.2T or TS<It is determined as conduction time failure during 0.8T；Work as tS>1.2t or tS<It is judged to being spaced during 0.8t
Time failure；Work as NS=N or NS>It is determined as test number (TN) failure during N.
As a kind of perferred technical scheme, when the step S5 is carried out；The signal processing module judges step S4
Fault message store to the data storage transport module.
As a kind of perferred technical scheme, before the low-pressure electronic equipment product testing inspection, in addition to described low
The debugging of piezoelectricity device product testing detection means, comprises the following steps：ST1, in the low-pressure electronic equipment product experiment detection device
The signal processing module on predeterminated voltage peak value U is setP, predetermined current peak IP, default conduction time T, predetermined interval when
Between t, default test number (TN) N；ST2, by the input of the voltage acquisition module of the low-pressure electronic equipment product experiment detection device with
The output end connection of pressure regulator, as pressure regulator output voltage peak value USMore than 1.1U or less than 0.9UPWhen, the protection module will
The power supply output of the out-put supply disconnects, and the display module shows fault message, and the alarm module sends warning；Work as tune
Depressor output voltage peak value USMore than or equal to 0.9UPAnd it is less than or equal to 1.1UPWhen, the out-put supply keeps power supply output, institute
State alarm module and do not send warning；ST3, the input by the current acquisition module of the low-pressure electronic equipment product experiment detection device
It is connected with the output end of current measurement coil, when the test current peak I that the output end of current measurement coil exportsSMore than 1.1IP
Or ISLess than 0.9IPWhen, the protection module, which exports the power supply of the out-put supply, to be disconnected, and the display module shows failure
Information, the alarm module send warning；When the test current peak I that the output end of current measurement coil exportsSIt is more than or equal to
0.9IPAnd it is less than or equal to 1.1IPWhen, the out-put supply keeps power supply output, and the alarm module does not send warning；ST4、
The output end of the input of the current acquisition module of the low-pressure electronic equipment product experiment detection device and current measurement coil is connected
Connect, the test current duration of the output end output of current measurement coil is TS, work as TSDuring more than 1.2T or less than 0.8T, institute
State protection module and export the power supply of the out-put supply and disconnect, the display module shows fault message, the alarm module
Send warning；Work as TSWhen more than or equal to 0.8T and being less than or equal to 1.2T, the out-put supply keeps power supply output, the warning
Module does not send warning；ST5, input and electric current by the current acquisition module of the low-pressure electronic equipment product experiment detection device
The output end connection of measuring coil, the test current interval time of the output end output of current measurement coil is tS, work as tSIt is more than
1.2t or during less than 0.8t, the protection module, which exports the power supply of the out-put supply, to be disconnected, the display module display therefore
Hinder information, the alarm module sends warning；Work as tSWhen more than or equal to 0.8t and being less than or equal to 1.2t, the out-put supply is protected
Power supply output is held, the alarm module does not send warning；ST6, the electric current of the low-pressure electronic equipment product experiment detection device adopted
The input of collection module is connected with the output end of current measurement coil, the test current of the output end output of current measurement coil
Number is NS, work as NSDuring equal to N or more than N, the protection module, which exports the power supply of the out-put supply, to be disconnected, the display mould
Block shows fault message, and the alarm module sends warning；Work as NSDuring less than N, the out-put supply keeps power supply output, described
Alarm module does not send warning.
Adopted as the voltage acquisition module to the preferred of above scheme, the low-pressure electronic equipment product experiment detection device
Collection alternating voltage virtual value is up to 1200V, peak value 2000V；The current acquisition module carries out the alternating current of current acquisition
Stream virtual value is up to 10kA, peak value 20kA；Conduction time and interval time the minimum reference unit is 0.01ms.
Above-mentioned voltage refers to the numerical value for the voltage peak that test voltage duration of existence voltage acquisition module collects；Electric current is
The numerical value for the test current peak value that finger to finger test electric current duration of existence current acquisition module collects；Conduction time refers to test current
From current moment to this period between finish time is gone out, by signal processing module automatic decision and calculate；Interval time refers to
This period that test current finish time last time goes out between current moment to next test current, sentenced automatically by signal processing module
Break and calculate；Test current is designated as once testing from occurring to terminating, and test number (TN) refers to the cumulative frequency that test current occurs,
By signal processing module automatic decision and accumulate.
Voltage failure may be that the insulation of AC circuit breaker is breakdown；Current failure may be that three-phase contact abrasion seriously makes
Obtaining a wherein phase contact can not close, or other short-circuit conditions occur；Conduction time failure may be low-pressure electronic equipment product
Contact melting welding, the handle operation mechanism damage of low-pressure electronic equipment product cause contact to be unable to disjunction；Interval time failure may be electricity
Gas life test operation device, which breaks down, causes low-pressure electronic equipment product not have normally closed or electrical service life testing system to go out
Existing failure so that the interval occurred twice between test current is long；Test number (TN) failure may be that low-pressure electronic equipment product is electric
Life test accumulation test number (TN) exceedes setting test number (TN), but electrical endurance experiment backup actuating device continues to low tension
Device product carries out closed and disconnected operation.Above failure can use the experiment detection device of the invention disclosed and testing inspection side
Method is detected, it is to be understood that this segment description is only failure citing, low-pressure electronic equipment product may occur in electrical endurance experiment
Other failures also the device that disclose of the present invention and its application can be used to be detected, protection scope of the present invention is with the present invention's
Claims are defined.
Compared with prior art, the substantive distinguishing features of protrusion of the invention and marked improvement are as follows：
The present invention carries out induction and conclusion to the various failures being likely to occur during the electrical endurance experiment of low-pressure electronic equipment product, right
Rated voltage, rated current, conduction time, interval time, test number (TN) this five key parameters, are detected.The present invention's
Low-pressure electronic equipment product experiment detection device can take corresponding safeguard measure in low-pressure electronic equipment product failure, and it is hidden to prevent safety
Suffer from, design concept is rigorous, and situation about being likely to occur is considered more comprehensively.The present invention chooses a low-voltage alternating-current in development and connect
Tentaculum carries out electrical endurance experiment, and test number (TN) is 6000 times, low-pressure electronic equipment product testing inspection of the invention during experiment
Device generates effective protection to the low voltage AC contactor of detection, and a variety of events are run into during electrical endurance experiment
Barrier, low-pressure electronic equipment product experiment detection device of the invention generate effective protection, have reached expected design effect.This hair
Prescribed voltage acquisition module and the current acquisition module scope of application are wide, and the parameter of different size model low-pressure electronic equipment product is completely covered
Scope, therefore applicability is extensive in use for a kind of low-pressure electronic equipment product test monitoring device of the present invention, can be applied to low
Press related low-pressure electronic equipment product and electrical endurance the experiment class such as AC circuit breaker, low voltage AC contactor, low-voltage alternating-current relay
As test process.
The present invention is monitored protection for the electrical endurance experiment process of low-pressure electronic equipment product, overcomes prior art pair
Low-pressure electronic equipment product electrical endurance experiment process key parameter monitoring it is imperfect, some phenomena of the failure can not be found in time and
The defects of deficiency of safeguard measure is taken during failure.
Brief description of the drawings
Fig. 1 is a kind of composition schematic diagram of low-pressure electronic equipment product experiment detection device embodiment of the present invention；
Fig. 2 is a kind of application flow schematic diagram of low-pressure electronic equipment product method for testing and detecting of the present invention.
Embodiment
Below in conjunction with the accompanying drawings, the embodiment of the present invention is described in detail.
As shown in figure 1, a kind of low-pressure electronic equipment product experiment detection device of the present invention, including power module, signal transacting mould
Block, display module, data storage transport module, data acquisition module, alarm module and protection module；The power module includes
Input power and out-put supply, the out-put supply are powered for low-pressure electronic equipment product to be measured；The data acquisition module includes electricity
Acquisition module and current acquisition module are pressed, for gathering low-pressure electronic equipment product detection data to be measured；The data acquisition module leads to
Cross the data storage transport module and the signal processing module electrical bond；The protection module and the signal transacting mould
Block electrical bond；The power supply output module and the protection module electrical bond；The alarm module and the signal transacting
Modular electrical combines.A kind of low-pressure electronic equipment product experiment detection device of the present invention, voltage acquisition module and current acquisition module
Voltage data and current data of the low-pressure electronic equipment product during testing inspection are gathered, voltage data and current data are through data
Storage transport module is transmitted to signal processing module processing, the voltage on display module during real-time display testing inspection
The oscillogram and peak value of oscillogram and peak value and test current, the numerical value of conduction time, the numerical value of interval time, test number (TN)
Numerical value.Signal processing module can include the setting peak value of voltage, the peak value of setting electric current, the number of conduction time with setup parameter
Value, the numerical value of interval time, the numerical value of test number (TN), and carried out by the real time data to above-mentioned five parameters and setup parameter
Overall merit, draw the logic judgment that abnormal conditions whether occur during testing；Low-pressure electronic equipment product to be measured exports with power supply
Module electrically connects, and when detecting fault message during test monitoring, protection module exports the power supply of power supply output module
Disconnect, display module shows fault message, and alarm module sends warning, so as to find, show fault message in time and incite somebody to action
The dump of low-pressure electronic equipment product, effectively low-pressure electronic equipment product is protected to prevent potential safety hazard simultaneously.
As a kind of perferred technical scheme, the protection module is vacuum circuit breaker.
As a kind of perferred technical scheme, the alarm module is buzzer.
As a kind of perferred technical scheme, the current acquisition module is Rogowski coil.
As shown in Fig. 2 a kind of low-pressure electronic equipment product test monitoring method, comprises the following steps：S1, by low-voltage electrical apparatus to be measured
Product electrically connects with the out-put supply of the low-pressure electronic equipment product experiment detection device；The low-pressure electronic equipment product experiment inspection
The data acquisition module for surveying device is electrically combined with low-pressure electronic equipment product to be measured；S2, in the low-pressure electronic equipment product testing inspection
Predeterminated voltage peak value U is set on the signal processing module of deviceP, predetermined current peak IP, default conduction time T, it is default between
Every time t, default test number (TN) N；S3, carry out low-pressure electronic equipment product testing inspection；The voltage acquisition module, current acquisition mould
The data transfer of block collection, which is stored and transmitted to the signal processing module by the data storage transport module, to be handled,
Obtain test voltage peak value US, test current peak IS, actual conduction time TS, actual interval time tS, test number (TN) NS；S4、
The signal processing module judge low-pressure electronic equipment product whether failure：By test voltage peak value US, test current peak IS, it is actual
Conduction time TS, actual interval time tS, test number (TN) NSRespectively with the predeterminated voltage peak value UP, predetermined current peak IP, it is pre-
If conduction time T, preset interval time t, default test number (TN) N are contrasted；If S5, S4 judge that low-pressure electronic equipment product has event
Barrier, the protection module, which exports the power supply of the out-put supply, to be disconnected；The display module shows fault message, the warning
Module sends warning；If S6, S4 judge that failure is not present in low-pressure electronic equipment product, testing inspection terminates.UP、IP, T, t, N difference phase
Predeterminated voltage peak value, predetermined current peak value, default conduction time, preset interval time, default test number (TN) are should be, by testing people
Member carries out the actual parameter setting of the low-pressure electronic equipment product of electrical endurance experiment as needed.
Being more particularly described a kind of low-pressure electronic equipment product test monitoring method of the present invention is：Low-pressure electronic equipment product is in electrical endurance
During experiment, first before electrical endurance on-test, testing crew sets predeterminated voltage peak value on signal processing module
UP, predetermined current peak IP, default conduction time T, preset interval time t, default test number (TN) N；Then electrical endurance was tested
Voltage acquisition module collection test voltage data, current acquisition module collection test current data, above-mentioned two groups of data are led in journey
Data storage transport module is crossed using real-time Transmission to signal processing module, signal processing module is showing after handling information
Show the oscillogram that voltage oscillogram and peak value and test current are shown in module and peak value, the numerical value of conduction time, interval time
Numerical value, the numerical value of test number (TN)；Obtain test voltage peak value U simultaneouslyS, test current peak IS, actual conduction time TS, it is real
Border interval time tS, test number (TN) NSThe real-time parameter of this five data；And it is based on test voltage peak value US, test current peak
Value IS, actual conduction time TS, actual interval time tS, test number (TN) NSWith above-mentioned predeterminated voltage peak value UP, predetermined current peak value
IP, default conduction time T, preset interval time t, the corresponding contrast judgement between default test number (TN) N whether break down and
Failure situation, failure situation include：Work as US>1.1UPOr US<0.9 UPWhen be judged as voltage failure, work as IS>1.1IPOr IS<
0.9IPWhen be judged as current failure, work as TS>1.2T or TS<It is judged as conduction time failure during 0.8T, works as tS>1.2t or tS<
It is judged as interval time failure during 0.8t, works as NS=N or NS>It is judged as test number (TN) failure during N；Above-mentioned failure situation has any
When one kind occurs, signal processing module controls protection module that the power supply of the out-put supply is exported into disconnection；The display module
Fault message is shown, the alarm module sends warning；Testing crew rushes to electrical endurance and tests ready-made investigation failure, pending fault
Exclude, continue electrical endurance experiment；Signal processing module judges to think that electrical endurance experiment is normally carried out in the case of remaining,
Continue testing inspection, until testing inspection is completed.
As a kind of perferred technical scheme, whether signal processing module described in the step S4 judges low-pressure electronic equipment product
The method of failure is：Work as US>1.1UPOr US<0.9 UPWhen be determined as power failure；Work as IS>1.1IPOr IS<0.9IPWhen be determined as
Current failure；Work as TS>1.2T or TS<It is determined as conduction time failure during 0.8T；Work as tS>1.2t or tS<It is judged to being spaced during 0.8t
Time failure；Work as NS=N or NS>It is determined as test number (TN) failure during N.
Signal processing module carries out overall merit according to the real time data of monitoring during the experiment, in the event of above-mentioned
Five kinds of failures in it is one or several kinds of, signal processing module sends instruction and causes the protection module by the out-put supply
Power supply output disconnects, and the display module shows fault message, and the alarm module sends warning, and now testing crew is rushed to existing
Field is checked, is found out the reason for breaking down, is fixed a breakdown, and then closes out-put supply, and out-put supply keeps power supply output,
Continue to test, until off-test.
As a kind of perferred technical scheme, when the step S5 is carried out；The signal processing module judges step S4
Fault message store to the data storage transport module, so as to subsequently check experiment during fault message and divided
Analysis utilizes.
As a kind of perferred technical scheme, before the low-pressure electronic equipment product testing inspection, in addition to described low
The debugging of piezoelectricity device product testing detection means, comprises the following steps：ST1, in the low-pressure electronic equipment product experiment detection device
The signal processing module on predeterminated voltage peak value U is setP, predetermined current peak IP, default conduction time T, predetermined interval when
Between t, default test number (TN) N；ST2, by the input of the voltage acquisition module of the low-pressure electronic equipment product experiment detection device with
The output end connection of pressure regulator, as pressure regulator output voltage peak value USMore than 1.1U or less than 0.9UPWhen, the protection module will
The power supply output of the out-put supply disconnects, and the display module shows fault message, and the alarm module sends warning；Work as tune
Depressor output voltage peak value USMore than or equal to 0.9UPAnd it is less than or equal to 1.1UPWhen, the out-put supply keeps power supply output, institute
State alarm module and do not send warning；ST3, the input by the current acquisition module of the low-pressure electronic equipment product experiment detection device
It is connected with the output end of current measurement coil, when the test current peak I that the output end of current measurement coil exportsSMore than 1.1IP
Or ISLess than 0.9IPWhen, the protection module, which exports the power supply of the out-put supply, to be disconnected, and the display module shows failure
Information, the alarm module send warning；When the test current peak I that the output end of current measurement coil exportsSIt is more than or equal to
0.9IPAnd it is less than or equal to 1.1IPWhen, the out-put supply keeps power supply output, and the alarm module does not send warning；ST4、
The output end of the input of the current acquisition module of the low-pressure electronic equipment product experiment detection device and current measurement coil is connected
Connect, the test current duration of the output end output of current measurement coil is TS, work as TSDuring more than 1.2T or less than 0.8T, institute
State protection module and export the power supply of the out-put supply and disconnect, the display module shows fault message, the alarm module
Send warning；Work as TSWhen more than or equal to 0.8T and being less than or equal to 1.2T, the out-put supply keeps power supply output, the warning
Module does not send warning；ST5, input and electric current by the current acquisition module of the low-pressure electronic equipment product experiment detection device
The output end connection of measuring coil, the test current interval time of the output end output of current measurement coil is tS, work as tSIt is more than
1.2t or during less than 0.8t, the protection module, which exports the power supply of the out-put supply, to be disconnected, the display module display therefore
Hinder information, the alarm module sends warning；Work as tSWhen more than or equal to 0.8t and being less than or equal to 1.2t, the out-put supply is protected
Power supply output is held, the alarm module does not send warning；ST6, the electric current of the low-pressure electronic equipment product experiment detection device adopted
The input of collection module is connected with the output end of current measurement coil, the test current of the output end output of current measurement coil
Number is NS, work as NSDuring equal to N or more than N, the protection module, which exports the power supply of the out-put supply, to be disconnected, the display mould
Block shows fault message, and the alarm module sends warning；Work as NSDuring less than N, the out-put supply keeps power supply output, described
Alarm module does not send warning.
In actual applications, the voltage acquisition module collection alternating current of the low-pressure electronic equipment product experiment detection device
It is pressed with valid value and is up to 1200V, peak value 2000V；The current acquisition module carries out the alternating current virtual value of current acquisition
It is up to 10kA, peak value 20kA；Conduction time and interval time the minimum reference unit is 0.01ms.
The present invention carries out overall merit, makes corresponding judgement, realization pair from by the real-time data acquisition to key parameter
The electrical endurance test monitoring protection of low-pressure electronic equipment product.
Case study on implementation of the present invention is these are only, is not intended to limit the invention, as long as those of ordinary skill in the art
The equivalent modification made according to disclosed content or change, it should all include the protection domain described in claims
It is interior.
Claims (9)
- A kind of 1. low-pressure electronic equipment product experiment detection device, it is characterised in that：Including power module, signal processing module, display Module, data storage transport module, data acquisition module, alarm module and protection module；The power module includes input electricity Source and out-put supply, the out-put supply are powered for low-pressure electronic equipment product to be measured；The data acquisition module includes voltage acquisition Module and current acquisition module, for gathering low-pressure electronic equipment product detection data to be measured；The data acquisition module passes through described Data storage transport module and the signal processing module electrical bond；The protection module and the signal processing module are electric With reference to；The power supply output module and the protection module electrical bond；The alarm module and signal processing module electricity Depressed conjunction.
- A kind of 2. low-pressure electronic equipment product experiment detection device according to claim 1, it is characterised in that：The protection module For vacuum circuit breaker.
- A kind of 3. low-pressure electronic equipment product experiment detection device according to claim 1, it is characterised in that：The alarm module For buzzer.
- A kind of 4. low-pressure electronic equipment product experiment detection device according to claim 1, it is characterised in that：The current acquisition Module is Rogowski coil.
- 5. a kind of method for testing and detecting of low-pressure electronic equipment product experiment detection device described in application claim 1, its feature exist In comprising the following steps：S1, low-pressure electronic equipment product to be measured electrically connected with the out-put supply of the low-pressure electronic equipment product experiment detection device； The data acquisition module of the low-pressure electronic equipment product experiment detection device is electrically combined with low-pressure electronic equipment product to be measured；S2, predeterminated voltage peak value U is set on the signal processing module of the low-pressure electronic equipment product experiment detection deviceP, it is pre- If current peak IP, default conduction time T, preset interval time t, default test number (TN) N；S3, carry out low-pressure electronic equipment product testing inspection；The voltage acquisition module, the data transfer of current acquisition module collection are led to Cross the data storage transport module and store and transmit to the signal processing module and handled, obtain test voltage peak value US, test current peak IS, actual conduction time TS, actual interval time tS, test number (TN) NS；S4, the signal processing module judge low-pressure electronic equipment product whether failure：By test voltage peak value US, test current peak value IS, actual conduction time TS, actual interval time tS, test number (TN) NSRespectively with the predeterminated voltage peak value UP, predetermined current peak Value IP, default conduction time T, preset interval time t, default test number (TN) N contrasted；If S5, S4 judge that low-pressure electronic equipment product has failure, the protection module, which exports the power supply of the out-put supply, to be disconnected； The display module shows fault message, and the alarm module sends warning；If S6, S4 judge that failure, off-test is not present in low-pressure electronic equipment product.
- A kind of 6. low-pressure electronic equipment product method for testing and detecting according to claim 5, it is characterised in that the step S4 institutes State signal processing module and judge whether the method for failure is low-pressure electronic equipment product：Work as US>1.1UPOr US<0.9 UPWhen be determined as electricity Source failure；Work as IS>1.1IPOr IS<0.9IPWhen be determined as current failure；Work as TS>1.2T or TS<It is determined as conduction time during 0.8T Failure；Work as tS>1.2t or tS<It is determined as interval time failure during 0.8t；Work as NS=N or NS>It is determined as test number (TN) failure during N.
- 7. a kind of low-pressure electronic equipment product method for testing and detecting according to claim 5, it is characterised in that the step S5 enters During row；The signal processing module stores the step S4 fault messages judged to the data storage transport module.
- 8. a kind of low-pressure electronic equipment product method for testing and detecting according to claim 5, it is characterised in that in the low tension Before the detection of device product testing, in addition to the debugging to the low-pressure electronic equipment product experiment detection device, comprise the following steps：ST1, predeterminated voltage peak value U is set on the signal processing module of the low-pressure electronic equipment product experiment detection deviceP、 Predetermined current peak IP, default conduction time T, preset interval time t, default test number (TN) N；ST2, the input of voltage acquisition module and the output end of pressure regulator by the low-pressure electronic equipment product experiment detection device Connection, as pressure regulator output voltage peak value USMore than 1.1U or less than 0.9UPWhen, the protection module is by the out-put supply Power supply output disconnects, and the display module shows fault message, and the alarm module sends warning；When pressure regulator output voltage peak Value USMore than or equal to 0.9UPAnd it is less than or equal to 1.1UPWhen, the out-put supply keeps power supply output, and the alarm module is not sent out Go out warning；ST3, by the input of the current acquisition module of the low-pressure electronic equipment product experiment detection device and current measurement coil Output end connects, when the test current peak I that the output end of current measurement coil exportsSMore than 1.1IPOr ISLess than 0.9IPWhen, The protection module, which exports the power supply of the out-put supply, to be disconnected, and the display module shows fault message, the warning mould Block sends warning；When the test current peak I that the output end of current measurement coil exportsSMore than or equal to 0.9IPAnd it is less than or equal to 1.1IPWhen, the out-put supply keeps power supply output, and the alarm module does not send warning；ST4, by the input of the current acquisition module of the low-pressure electronic equipment product experiment detection device and current measurement coil Output end connects, and the test current duration of the output end output of current measurement coil is TS, work as TSMore than 1.2T or it is less than During 0.8T, the protection module, which exports the power supply of the out-put supply, to be disconnected, and the display module shows fault message, described Alarm module sends warning；Work as TSWhen more than or equal to 0.8T and being less than or equal to 1.2T, the out-put supply keeps power supply output, The alarm module does not send warning；ST5, by the input of the current acquisition module of the low-pressure electronic equipment product experiment detection device and current measurement coil Output end connects, and the test current interval time of the output end output of current measurement coil is tS, work as tSMore than 1.2t or it is less than During 0.8t, the protection module, which exports the power supply of the out-put supply, to be disconnected, and the display module shows fault message, described Alarm module sends warning；Work as tSWhen more than or equal to 0.8t and being less than or equal to 1.2t, the out-put supply keeps power supply output, The alarm module does not send warning；ST6, by the input of the current acquisition module of the low-pressure electronic equipment product experiment detection device and current measurement coil Output end connects, and the test current number of the output end output of current measurement coil is NS, work as NSIt is described during equal to N or more than N Protection module, which exports the power supply of the out-put supply, to be disconnected, and the display module shows fault message, the alarm module hair Go out warning；Work as NSDuring less than N, the out-put supply keeps power supply output, and the alarm module does not send warning.
- 9. a kind of low-pressure electronic equipment product method for testing and detecting according to claim 5 to 8 any claim, its feature exist In the voltage acquisition module collection alternating voltage virtual value of the low-pressure electronic equipment product experiment detection device is up to 1200V, peak value 2000V；The alternating current virtual value that the current acquisition module carries out current acquisition is up to 10kA, peak value For 20kA；Conduction time and interval time the minimum reference unit is 0.01ms.
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| CN201710962813.2A CN107870274A (en) | 2017-10-16 | 2017-10-16 | A kind of low-pressure electronic equipment product experiment detection device and method for testing and detecting |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112230163A (en) * | 2020-08-31 | 2021-01-15 | 煤科集团沈阳研究院有限公司 | Low-voltage alternating-current electric appliance on-off inspection expected parameter adjusting system and parameter adjusting method |
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| CN106680708A (en) * | 2017-03-19 | 2017-05-17 | 山东省产品质量检验研究院 | Electrical life test monitoring protector for low-voltage alternating-current circuit breaker and application thereof |
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| CN104251975A (en) * | 2013-09-18 | 2014-12-31 | 国家电网公司 | Mimic-disconnecting switch testing device for relay protection and control method thereof |
| CN106680708A (en) * | 2017-03-19 | 2017-05-17 | 山东省产品质量检验研究院 | Electrical life test monitoring protector for low-voltage alternating-current circuit breaker and application thereof |
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| CN112230163A (en) * | 2020-08-31 | 2021-01-15 | 煤科集团沈阳研究院有限公司 | Low-voltage alternating-current electric appliance on-off inspection expected parameter adjusting system and parameter adjusting method |
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Application publication date: 20180403 |