CN106019021B - The universal test tooling and its test method of testing for electrical equipment device - Google Patents
The universal test tooling and its test method of testing for electrical equipment device Download PDFInfo
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- CN106019021B CN106019021B CN201610510265.5A CN201610510265A CN106019021B CN 106019021 B CN106019021 B CN 106019021B CN 201610510265 A CN201610510265 A CN 201610510265A CN 106019021 B CN106019021 B CN 106019021B
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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
Abstract
The present invention provides the universal test toolings and its test method of a kind of electronic equipment test device, the universal test tooling of the testing for electrical equipment device include can establish tested electronic equipment simulation model and emulate your equipment of tested address normally with the client of fault-signal, the parameter of client can be obtained and the server that analysis forms control signal is carried out to data, the control for receiving server generates various normal or faulty physical signal instrument and equipments, the client is connected with server by network, the signal input part that the control signal output of server passes through network connection instrument and equipment, the signal output end of the instrument and equipment is connected by test adapter with the test equipment of the physical signal sent out for test equipment equipment.The present invention is versatile, at low cost, is convenient for promoting, and all tested electronic equipments are all suitable for.The present invention is suitable for carrying out function, performance test to any tested electronic equipment.
Description
Technical field
The invention belongs to electron device testing fields, specifically the universal test work of a kind of electronic equipment test device
Dress.The present invention also provides the test methods of the universal test tooling of a kind of electronic equipment test device.
Background technique
It is also higher and higher for the functional requirement of electronic equipment as the application field of electronic equipment is more and more extensive, especially
It is that modern electronic equipment function is increasingly advanced, and system composition becomes increasingly complex, therefore its probability to break down is also therewith
Increase, needs to test electronic equipment using electronic test equipment.In order to ensure test device design, exploitation want
It asks, needs to carry out the verifying of function and performance after test device developed, need to utilize test device pair in the prior art
Tested electronic equipment carries out fault test verification test, and current way is usually:
1) it is directed to specific electronic equipment set, the physical fault for needing test device is injected into tested electronic equipment, verifies electronics
Power of test of the test equipment to fault-signal；
2) special test tooling is developed, the fault-signal of equipment under test is simulated, is supplied to electronic test equipment and is tested,
The power of test of validation test device.
The method that physical fault signal is injected to tested electronic equipment for the first, is likely to result in measurand
Damage, the even disaster of fatal crass, and many failures can not be injected into measurand.And for second
The method for needing to develop dedicated test fixture for different tested electronic equipments, then need to take a substantial amount of time and expense
With development difficulty is also bigger, and general research and development, production unit can not be borne by such cost, causes no test fixture available.
Summary of the invention
The technical problem to be solved in the present invention is to provide the universal test tooling of a kind of electronic equipment test device, can
A general platform is provided for a variety of different test devices, various normal and fault-signals, are guaranteeing required for generating
While not damaging tested electronic equipment, it is able to verify that the function and performance of various different test devices.
In order to solve the above technical problems, the technical solution used in the present invention is:
The universal test tooling of a kind of electronic equipment test device, it includes that can establish tested electronic equipment emulation mould
Type and emulate tested electronic equipment normally with the client of fault-signal, the parameter of client can be obtained and data are divided
The control that analysis forms the server of control signal, reception server generates various normal or faulty physical signal instrument and equipments,
The client is connected with server by network, and the control signal output of server passes through network connection instrument and equipment
The signal output end of signal input part, the instrument and equipment passes through test adapter and the object sent out for test equipment equipment
The test equipment of reason signal is connected.
As limitation of the invention: the instrument and equipment includes the control unit as control centre, and being used for will
The data-signal that server transmission comes is converted into normal or faulty physical signal converting unit, and described control unit passes through network
It is connected with client, the signal input part of the control signal output connection converting unit of control unit, the converting unit
The normal or faulty physical signal of output passes through coaxial cable connecting test adapter.
As limitation of the invention further: the converting unit is that the signal based on PXI bussing technique generates board.
The present invention also provides the test methods of the universal test tooling of a kind of electronic equipment test device, based on above-mentioned
The universal test tooling of testing for electrical equipment device is completed, it includes the following steps successively carried out:
One) staff establishes the circuit simulation model of tested electronic equipment, then simulation run respectively using client
Tested electronic device circuitry under normal or fault condition, and save the electric signal emulation data of each measured point；
Two) server obtains electric signal from client by network and emulates data, and is analyzed and processed to data, generates
Various parameters needed for can control instrument and equipment；
Three) instrument and equipment generates various normal or failure physical signals after receiving the parameter that server transmits by network
And it is sent out by test adapter；
Four) after the various normal or physical signals of failure that test equipment passes through the outflow of test adapter receiving instrument equipment
The physical signal is accordingly tested, function, the performance of tested electronic equipment are finally obtained.
As the restriction to the above method: the step 2) include the following steps successively carried out:
1. server is loaded into normal or fault-signal the emulation data file after emulation from client by network, read
The data of each test point in file judge the signal type of the data read；
2. signal type according to read data performs corresponding processing, and the signal width that computing equipment equipment needs to generate
Degree and attenuation；
3. needing to be handed down to the test point signal of instrument and equipment according to the selection of the signal type of data, and by test point signal
It is handed down to instrument and equipment.
As the step that further defines that the above method, 1. the signal type of the middle data read includes believing in the period
Number and nonperiodic signal；Step 2. in processing for periodic signal are as follows: the frequency of calculating cycle signal, period relevant parameter,
And the signal width for needing to generate according to the amplitude limits computing equipment equipment that the amplitude of signal and instrument and equipment can be generated signal
Degree and attenuation, and the processing for nonperiodic signal are as follows: computing equipment equipment needs the signal amplitude and attenuation generated；
Step 3. in be to intercept the test point signal of a cycle to be handed down to instrument and equipment for the processing of periodic signal, and for non-week
Phase signal then needs to issue all data of test point to instrument and equipment.
As the further restriction to the above method: the server to the judgment method of periodic signal include successively into
Capable following steps:
I) first data point voltage of record, traversal array is identical at first point until voltage value, and first point to the of record
All data in 2 sections, and with this siding-to-siding block length judge in next section data whether with data phase in first interval
Together, periodic signal is regarded as if three numbers are interior accordingly if error；The continuation time since the second record point if not identical
Searching next point is gone through, and repeats the above method and is judged；
II) experience step I) afterwards if not judging that signal is periodic signal, after the emulation of server reading client just
The electric signals numerical value such as test point is included in the emulation data file of regular signal or fault-signal time and voltage, electric current, and
It is stored in array, ergodic data finds the maximum value and minimum value of voltage, the median of voltage is calculated, by looping to determine
Voltage was less than median at a upper time point, and future time point is greater than the time that median then records the point, after having traversed array,
Judge that the time difference in each section predicates periodic signal if it is less than 10%.
Due to the adoption of the above technical solution, compared with prior art, the present invention acquired technological progress is:
(1) present invention can emulate the circuit generation of various tested electronic equipments by the simulation software carried in client
For tested electronic equipment, and the event of each test point of tested electronic equipment is directly generated using virtual technology simulation on the client
Barrier or normal signal without being directly injected into physical fault signal to tested electronic equipment can not only obtain test equipment
Function, performance, and ensure that the safety of tested electronic equipment；
(2) present invention can emulate the circuit of various tested electronic equipments, energy using the simulation software carried in client
All kinds of different tested electronic equipments are enough emulated, enable versatility of the invention stronger, cost is lower, and convenient for promoting.
In conclusion the present invention is versatile, at low cost, is convenient for promoting, and all tested electronic equipments are all suitable for.
The present invention is suitable for carrying out function, performance test to any test device.
The present invention is described in further detail below in conjunction with specific embodiment.
Detailed description of the invention
Fig. 1 is the functional block diagram of the embodiment of the present invention 1；
Fig. 2 is the flow chart of the embodiment of the present invention 2.
Specific embodiment
The universal test tooling of 1 testing for electrical equipment device of embodiment
The universal test tooling for present embodiments providing a kind of electronic equipment test device, as shown in Figure 1, it includes:
Client, the client in the present embodiment use computer in the prior art, on the client equipped with building
The simulation software (such as to Pspice software that electronic equipment is emulated) of vertical tested electronic equipment simulation model, by described
After simulation software establishes the circuit simulation model of tested electronic equipment, the simulation run circuit model, client obtains emulation quilt
It surveys electronic equipment normally and fault-signal, and saves the electric signal emulation data of each tested pilot.
Server can obtain the parameter of client and carry out analysis formation control signal to data, and the server is adopted
It is developed and is realized with Delphi programming language in the prior art, be stored thereon with analysis and processing program, can be obtained to from client
The parameter taken is analyzed and processed, and final generate sends out under control parameter, and the server in the present embodiment passes through network connection
Client.
Instrument and equipment, the control for receiving server generate various control parameters, and the parameter provided according to server
Various normal or faulty physical signals are generated, and are sent out.Instrument and equipment in the present embodiment is as shown in Figure 1, include conduct
The control unit of control centre, and for by server transmit the data-signal come be converted into it is normal or faulty physical signal
Converting unit, wherein control unit uses driving of the Visual Studio developing instrument based on PXI board in the prior art
Program development realizes that converting unit generates board using the signal in the prior art based on PXI bussing technique；The control is single
Member is connected by network with client, the signal input part of the control signal output connection converting unit of control unit, institute
State the normal or faulty physical signal of converting unit output.
Test adapter, the physical signal for generating instrument and equipment send subsequent test equipment to, pass through test
The physical signal that equipment transmits instrument and equipment is tested, and function, the performance of corresponding test equipment, the test are finally obtained
Adapter installs equipment under test instrument connection or test interface, subsequent test additional using universal test panel in the prior art
Equipment is then that existing structure, the signal input of the test adapter connect instrument by coaxial cable and set in the prior art
Standby, the signal output of test adapter is directly connected to test equipment.
The test method of the universal test tooling of 2 a kind of electronic equipment test device of embodiment
A kind of test method of embodiment 1 is present embodiments provided, it includes the following steps successively carried out:
One) staff establishes the circuit simulation model of tested electronic equipment, then simulation run respectively using client
Tested electronic device circuitry under normal or fault condition, and save the electric signal emulation data of each measured point.
Two) server obtains electric signal from client by network and emulates data, and is analyzed and processed to data, generates
Various parameters needed for can control instrument and equipment.
Again include the following steps successively carried out in this step:
1. server is loaded into normal or fault-signal the emulation data file after emulation from client by network, read
The data of each test point in file judge the signal type of the data read.
The signal type of the data wherein read in this step includes periodic signal and nonperiodic signal, and periodic signal
Decision process are as follows:
I) first data point voltage of record, traversal array is identical with first point until voltage value, records first point to the
All data in 2 sections, and with this siding-to-siding block length judge in next section data whether with data phase in first interval
Together, periodic signal is regarded as if three numbers are interior accordingly if error；The continuation time since the second record point if not identical
Searching next point is gone through, and repeats the above method and is judged；If determining that signal is unsatisfactory for the condition of periodic signal in this step,
Measured signal is not represented as nonperiodic signal, this is because common periodic signal is that square-wave signal and sine wave are believed
Number, in order to improve the precision of the present embodiment, first to whether being judgement that square-wave signal carries out in this step, if it is decided that be not
It then needs to determine whether sine wave period signal, that is, enters next step.
II) experience step I) afterwards if not judging that signal is periodic signal, after the emulation of server reading client just
The electric signals numerical value such as test point is included in the emulation data file of regular signal or fault-signal time and voltage, electric current, and
It is stored in array, ergodic data finds the maximum value and minimum value of voltage, the median of voltage is calculated, by looping to determine
Voltage was less than median at a upper time point, and future time point is greater than the time that median then records the point, after having traversed array,
Judge that the time difference in each section predicates periodic signal if it is less than 10%.
2. signal type according to read data performs corresponding processing, and the signal width that computing equipment equipment needs to generate
Degree and attenuation.
For the processing of periodic signal in this step are as follows: the frequency of calculating cycle signal, period relevant parameter, and according to letter
Number amplitude and instrument and equipment can be generated the amplitude limits computing equipment equipment of signal and need the signal amplitude and decaying that generate
Amount, and the processing for nonperiodic signal are as follows: computing equipment equipment needs the signal amplitude and attenuation generated；
3. needing to be handed down to the test point signal of instrument and equipment according to the selection of the signal type of data, and by test point signal
It is handed down to instrument and equipment.
For the processing of periodic signal in this step are as follows: the test point signal for intercepting a cycle is handed down to instrument and equipment,
And then need to issue all data of test point to instrument and equipment for nonperiodic signal.
Three) instrument and equipment generates various normal or failure physical signals after receiving the parameter that server transmits by network
And it is sent out by test adapter.
Four) after the various normal or physical signals of failure that test equipment passes through the outflow of test adapter receiving instrument equipment
The physical signal is accordingly tested, the performance of tested electronic equipment is finally obtained.
Claims (5)
1. the test method of the universal test tooling of a kind of electronic equipment test device, based on the general of testing for electrical equipment device
Test fixture is completed, it is characterised in that: it includes the following steps successively carried out:
One) staff establishes the circuit simulation model of tested electronic equipment using client, and then simulation run is normal respectively
Or the tested electronic device circuitry under fault condition, and save the electric signal emulation data of each measured point；
Two) server obtains electric signal from client by network and emulates data, and is analyzed and processed to data, and generation can be controlled
Various parameters needed for instrument and equipment processed；The step 2), including the following steps successively carried out:
1. server is loaded into normal or fault-signal the emulation data file after emulation from client by network, file is read
In each test point data, judge read data signal type, the step 1. in read data signal type
Including periodic signal and nonperiodic signal；
2. signal type according to read data performs corresponding processing, and computing equipment equipment need the signal amplitude that generates and
Attenuation, the step 2. in processing for periodic signal are as follows: the frequency of calculating cycle signal, period relevant parameter, and root
It is believed that number amplitude and instrument and equipment can be generated signal amplitude limits computing equipment equipment need the signal amplitude that generates and
Attenuation, and the processing for nonperiodic signal are as follows: computing equipment equipment needs the signal amplitude and attenuation generated；
3. needing to be handed down to the test point signal of instrument and equipment according to the selection of the signal type of data, and test point signal is issued
To instrument and equipment, the step 3. in for the processing of periodic signal be intercept a cycle test point signal be handed down to instrument
Equipment, and then need to issue all data of test point to instrument and equipment for nonperiodic signal；
Three) instrument and equipment generates various normal or failure physical signals after receiving the parameter that server transmits by network and leads to
Test adapter is crossed to send out；
Four) to this after the various normal or physical signals of failure that test equipment is spread out of by test adapter receiving instrument equipment
Physical signal is accordingly tested, and function, the performance of tested electronic equipment are finally obtained.
2. the test method of the universal test tooling of testing for electrical equipment device according to claim 1, it is characterised in that:
The server includes the following steps successively carried out to the judgment method of periodic signal:
I) first data point voltage of record, traversal array is identical at first point until voltage value, and first point of record is arrived second point
All data in section, and judge whether data are identical as data in first interval in next section with this siding-to-siding block length, such as
Fruit error counts in accordingly at three and then regards as periodic signal；Continue traversal since the second record point if not identical to find
Next point, and repeat the above method and judged；
II) experience step I) afterwards if not judging that signal is periodic signal, normally believe after the emulation of server reading client
Number or the emulation data file of fault-signal in the electric signals numerical value such as test point time for being included and voltage, electric current, and save
In array, ergodic data finds the maximum value and minimum value of voltage, the median of voltage is calculated, by looping to determine voltage
It was less than median at a upper time point, future time point is greater than the time that median then records the point, after having traversed array, judgement
The time difference in each section predicates periodic signal if it is less than 10%.
3. the test method of the universal test tooling of testing for electrical equipment device according to claim 1 or 2, feature exist
In: the universal test tooling of the testing for electrical equipment device includes: that can establish tested electronic equipment simulation model and emulation
Tested electronic equipment normally with the client of fault-signal, can obtain client parameter and to data carry out analysis formed control
The server of signal processed, the control for receiving server generate various normal or faulty physical signal instrument and equipments, the client
End is connected with server by network, the signal input that the control signal output of server passes through network connection instrument and equipment
The signal output end at end, the instrument and equipment by test adapter and is used for the physical signal that test equipment equipment is sent out
Test equipment is connected.
4. the test method of the universal test tooling of testing for electrical equipment device according to claim 3, it is characterised in that:
The instrument and equipment includes the control unit as control centre, and is converted into for server to be transmitted the data-signal come
Normal or faulty physical signal converting unit, described control unit are connected by network with client, the control of control unit
The normal or faulty physical signal of the signal input part of signal output end connection converting unit processed, the converting unit output passes through
Coaxial cable connecting test adapter.
5. the test method of the universal test tooling of testing for electrical equipment device according to claim 4, it is characterised in that:
The converting unit is that the signal based on PXI bussing technique generates board.
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| CN201610510265.5A CN106019021B (en) | 2016-07-01 | 2016-07-01 | The universal test tooling and its test method of testing for electrical equipment device |
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| CN201610510265.5A CN106019021B (en) | 2016-07-01 | 2016-07-01 | The universal test tooling and its test method of testing for electrical equipment device |
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| CN106019021B true CN106019021B (en) | 2018-12-25 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109919217B (en) * | 2019-02-28 | 2021-03-02 | 深圳智链物联科技有限公司 | Charging behavior identification method and device, terminal equipment and storage medium |
| CN113504425B (en) * | 2021-09-08 | 2021-12-07 | 上海豪承信息技术有限公司 | System, method and device for testing coaxial cable assembly and storage medium thereof |
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