CN106909135A - A kind of new energy current transformer controls the test device of hardware - Google Patents
A kind of new energy current transformer controls the test device of hardware Download PDFInfo
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- CN106909135A CN106909135A CN201710071519.2A CN201710071519A CN106909135A CN 106909135 A CN106909135 A CN 106909135A CN 201710071519 A CN201710071519 A CN 201710071519A CN 106909135 A CN106909135 A CN 106909135A
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24065—Real time diagnostics
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The present invention relates to the test device that a kind of new energy current transformer controls hardware, including main control unit, input and output unit and communication unit, input and output unit is connected with input and output interface, output signal into what signal and reception control hardware to be measured were exported for being opened to control hardware output to be measured；Main control unit is connected with AD Sampling Interfaces, the conditioned signal for receiving control hardware output to be measured；Communication unit is connected with communication interface, for realizing the communication with control hardware to be measured.The test device is automation control appliance, functional test can be automatically obtained, without manual operation, automatic test can avoid the possibility of artificial maloperation, improve the uniformity of test, it is to avoid because manual operation and caused by the step of cumbersome situation occur, and, for the efficiency of automatic test is compared to manual testing, obtain significantly being lifted.
Description
Technical field
The present invention relates to the test device that a kind of new energy current transformer controls hardware, the control for belonging to new energy current transformer is hard
The detection field of part.
Background technology
With the continuous expansion of New Energy Industry scale, the problems and obstacle that new energy product faces gradually manifest.
In the hardware testing work of wherein most representational problem exists in new energy current transformer product, new energy current transformer is application
Current transformer in new energy, such as：Photovoltaic converter and wind electric converter etc..At present in the control hardware to current transformer, than
It is general by the way of manual testing when being tested such as Control card, but the uniformity that the mode of manual testing is present it is poor,
Many test problems such as complex steps, inefficiency have become the key factor of restriction new energy development, urgent need to resolve.
The content of the invention
It is an object of the invention to provide the test device that a kind of new energy current transformer controls hardware, it is used to solve manual testing
The problem of mode inefficiency.
To achieve the above object, the solution of the present invention includes that a kind of new energy current transformer controls the test device of hardware, bag
Include main control unit, input and output unit and communication unit, the main control unit respectively with input and output unit and communication unit phase
Connection, the input and output unit is connected with input and output interface, for opening into signal and connecing to control hardware output to be measured
That receives control hardware output to be measured outputs signal；The main control unit is connected with AD Sampling Interfaces, hard for receiving control to be measured
The conditioned signal of part output；The communication unit is connected with communication interface, for realizing the communication with control hardware to be measured.
The input and output interface includes opening into signalling channel and outputs signalling channel, it is described open into signalling channel be used for
It is to be measured control hardware output signal output part connection, with receive it is to be measured control hardware export output signal；It is described to output letter
Number passage is used to be connected into signal input part with opening for hardware of control to be measured, controls hardware transport to open into signal with to be measured.
The communication interface is made up of RS232 PORT COMs, RS485 PORT COMs and CAN port, RS232 communications
Port is used to connect the RS232 communication terminals of control hardware to be measured, realizes and the RS232 communications between control hardware to be measured；RS485
PORT COM is used to connect the RS485 communication terminals of control hardware to be measured, realizes and the RS485 communications between control hardware to be measured；
CAN port is used to connect the CAN communication terminal of control hardware to be measured, realizes and the CAN between control hardware to be measured is total
Line is communicated.
The test device also includes serial line interface, is connected with the communication unit, for being led to backstage host computer
News.
Described opening uses the mode of Phototube Coupling and outputs signal with receive that control hardware to be measured exports into signalling channel.
The input and output unit is simulated corresponding to control hardware transport to be measured using independent relay output node
Signal.
The test device also include power supply unit, power supply unit output direct current for communication unit, main control unit and
Input and output unit is powered.
Rectification module is provided with said supply unit, for by AC220V AC rectifications into required direct current.
It is hard that the test device of the new energy current transformer control hardware that the present invention is provided can test the control of new energy current transformer
Whether the function of part is qualified.Input and output interface, AD Sampling Interfaces and communication interface are connected with control hardware to be measured, according to master control
Control instruction that unit is received or main control unit according to the control program of internal loading treat observing and controlling hardware open into
Output functional test, the test of the output function of conditioned signal and the test of communication function.That is, in main control unit
Under control, the above three function that can automatically treat observing and controlling hardware is tested.So, the test device is controlled for automation
Control equipment, can be automatically obtained functional test, and without manual operation, automatic test can avoid the possibility of artificial maloperation,
Improve the uniformity of test；Because the implementation steps of automatic test have built-in program in main control unit to carry out one by one,
Avoid because manual operation and caused by the step of cumbersome situation occur；Be additionally, since it is manually-operated in the case of, often complete one
The test circuit needed for artificially building a kind of lower test is needed when planting test, and is needed control hardware to be measured from upper one survey
Removed in examination circuit, then be connected with the circuit that this is tested, therefore manually operate shared overlong time, testing efficiency is low, and
In automatic test case, test process is carried out automatically, need not only build various test circuits, electric without test is changed
Road, therefore, for the efficiency of automatic test is compared to manual testing, obtain significantly being lifted.
Brief description of the drawings
Fig. 1 is the principle schematic of test device；
Fig. 2-a are the Part I flow charts of the test process of test device；
Fig. 2-b are the Part II flow charts of the test process of test device；
Fig. 2-c are the Part III flow charts of the test process of test device；
Fig. 2-d are the Part IV flow charts of the test process of test device；
Fig. 2-e are the Part V flow charts of the test process of test device.
Specific embodiment
The test device that the present invention is provided is applied to carries out Function detection to the control hardware of new energy current transformer, certainly,
The purposes of the test device is not limited to the control hardware of new energy current transformer, and other control hardware are also suitable.Due to control
Hardware is generally Control card, so, in the present embodiment, using Control card as object to be tested.Due to control
Board belongs to routine techniques, and the present embodiment is no longer illustrated, and test device is explained below in conjunction with the accompanying drawings.
As shown in figure 1, the test device includes：
Communication unit：Have in the function having：Between test device and backstage host computer (hereinafter referred to as test background)
Communication, can receive the test that test background issues and instruct and be transferred to main control unit, and the correlation that main control unit is sent
Test result is returned to test background；
Main control unit：For the test instruction that process test backstage issues, the correlation function for awaiting board card sends phase
The control signal answered, then judges test result, and test result is sent into communication unit；
Input and output unit：For receiving the control signal of main control unit, simulating intake and the amount of outputing, most simulate at last
Situation feeds back to main control unit；
Power supply unit：For being powered to test device each unit, and for board to be tested provides independent power supply interface.Enter
One step ground, is provided with rectification module in the power supply unit, generated after the rectification that AC220V exchange input electricity passes through rectification module
Direct current needed for test device each unit, such as：5V, ± 12V and 24V.In addition, the power supply unit can also be a railway digital
Programmable power supply, each required direct current of output is realized by programming Control.
Above-mentioned each unit can be existing related device.
The test device also includes three kinds of interfaces, is respectively input and output interface, AD Sampling Interfaces and communication interface.
Input and output unit is connected with input and output interface, the end of input and output interface and the input and output of board to be tested
Mouth connection.Input and output interface is included opening into signalling channel and outputing signalling channel, wherein, open and treated for connection into signalling channel
Drafting board card outputs signal output part, and signal is outputed with receive awaiting board card output；Signalling channel is outputed for connecting to be measured
Board is opened into signal input part, and the intake signal input that will be simulated is to awaiting board card.In order to ensure that data can be abutted against
Receive, open into signalling channel by the way of Phototube Coupling come receive awaiting board card output output signal, such as：Open logical into signal
Road can provide 13 tunnel independent lights and be electrically isolated from into (24V grades)；Also, simulate intake signal when, test device open into
Output unit and provide the relay output node of 9 tunnel independences to simulate actual intake signal, for exporting to awaiting board card
Open into signal input part, and by program loop control realize be multiplexed.
Main control unit is connected with AD Sampling Interfaces, and the AD Sampling Interfaces are used to connect the conditioned signal output of awaiting board card
End, can gather the conditioned signal of awaiting board card output.In the present embodiment, AD Sampling Interfaces are specially 16 tunnel AD conversion interfaces,
Sampled voltage scope is ± 10V, and resolution ratio is 12.
Communication unit is connected with communication interface, is tested with the communication function to awaiting board card.Communication interface includes three
Kind, it is respectively RS232 PORT COMs, RS485 PORT COMs and CAN port.Wherein, RS232 PORT COMs are used to connect
The RS232 communication terminals of awaiting board card, realize and the RS232 communications between awaiting board card；RS485 PORT COMs are used to connect to be measured
The RS485 communication terminals of board, realize and the RS485 communications between awaiting board card；CAN port is used to connect awaiting board card
CAN communication terminal, realizes the CAN communication between awaiting board card and test device.In the present embodiment, in communication interface
There are 1 road RS232 PORT COM, 2 road RS485 PORT COMs and 1 tunnel CAN port.
The test device also includes serial line interface, for connecting test backstage, and by serial line interface and communication unit
Between connection realize that main control unit can receive the test instruction that test background issues and main control unit and be returned to test background
Test result.Serial line interface can receive optical fiber interface for 20 hairs 17, and optical signal type is 820nm multimode signals.In addition, for the ease of
Monitoring test device, test background can have daemon software friendly interface, man-machine interface easy to operate, manual with setting parameter
The functions such as regulation, test result printing, USB storages.
In addition, being provided with controlling switch in the test device, the controlling switch can be arranged on AC220V exchange input electricity
On connection line between rectification module, when the controlling switch is disconnected, power supply unit cannot power for test device, that
, the test device cannot just work, so, can realize being turned on and off by controlling conducting or turning off the controlling switch
Test device.
As shown in Fig. 2-a to 2-e, a kind of side of implementing of the board test function based on the test device is given
Method, comprises the following steps：
Step S1：Test device is connected to the USB interface of test background, and platform configuration after a test by serial line interface
Connecting quantity, opens the communication function with test device.
Step S2：Test device is by the automatic connecting test backstage COM PORT COMs of serial line interface, and voluntarily detection test
Whether COM PORT COMs set by backstage connect host computer COM PORT COMs with test device consistent.If inconsistent, step is performed
S3；If consistent, step S4 is performed.
Step S3：Test background shows connection failure information, subsequent re-request connection.
Step S4：Test background shows " successful connection can be tested ".
Step S5：Dependence test button is clicked on platform after a test, correlative measurement is issued to test device by serial line interface
Examination instruction.
Step S6：Test device communication unit receives dependence test instruction, and is transmitted to main control unit.
Step S7：Main control unit will carry out test event and issue relevant control instruction according to board selection, start to be measured
Board is tested.Corresponding test event, test event is selected to include according to board：A is opened into test；B outputs test；C leads to
Communication interface is tested；D conditioned signals are tested.
Step S8：Test background sends to be opened into test instruction, and test device is handed down to instruction is tested by communication unit
Main control unit.
Step S9：In test device, main control unit is issued to input and output unit and outputs signal instruction.
Step S10：Input and output unit is outputed according to the corresponding relay of instruction control is outputed.
Step S11：Awaiting board card is opened into signal corresponding register set according to actual reading.
Step S12：Main control unit issue output instruction after, test device by winding displacement read test board actually open into
Signal.
Step S13：Test device main control unit carries out logic judgment, judges whether the signal for reading sends with control in advance
Signal it is identical.
Step S14：Test result is uploaded test background by test device.
Step S15：Test background sends outputs test instruction, and test device is handed down to instruction is tested by communication unit
Main control unit.
Step S16：In test device, main control unit is issued to input and output unit and outputs instruction.
Step S17：Awaiting board card control accordingly outputs instruction.
Step S18：Awaiting board card is according to actually opening into setting corresponding registers.
Step S19：Awaiting board card will output signal output to main control unit.
Step S20：Main control unit carries out logic judgment, and detection is opened into whether state is identical with state of a control.
Step S21：Test result is uploaded to test background by test device by communication unit.
Step S22：Test background sends communication test instruction, and test device is handed down to instruction is tested by communication unit
Main control unit.
Step S23：Main control unit sends control test signal to awaiting board card.
Step S24：CAN in awaiting board card is port interconnected with the CAN of main control unit, and awaiting board card sends and refers to
According to main control unit, main control unit carries out logic judgment to fixed number by test data is returned.
Step S25：RS232 in awaiting board card is port interconnected with the RS232 of main control unit, and awaiting board card sends specifies number
According to main control unit, main control unit carries out logic judgment by test data is returned.
Step S26：RS485 in awaiting board card is port interconnected with the RS485 of main control unit, and awaiting board card sends specifies number
According to main control unit, main control unit carries out logic judgment by test data is returned.
Step S27：Test result is uploaded to test background by main control unit.
Step S28：Test background sends conditioned signal test instruction, and test device will test instruction by under communication unit
Issue main control unit.
Step S29：Main control unit sends corresponding control test signal.
Step S30：Awaiting board card receives corresponding level signal, is nursed one's health through awaiting board card.
Step S31：Conditioned signal is sent to main control unit AD process chips by awaiting board card, believes numeral after being converted through AD
Number it is sent to main control unit；Main control unit carries out logic judgment to data signal, judges whether input results are consistent with predetermined value.
Step S32：Awaiting board card sends alarm signal by optical fiber to main control unit, after main control unit receives alarm signal
Logic judgment is carried out to it whether identical with setting value.
Step S33：Main control unit is uploaded to test background after test result is collected.
By it is above-mentioned realize the control that step can be seen that the software program in platform after a test and main control unit under,
Test process is carried out automatically, realizes the automatic test of awaiting board card.If there is hardware problem, test device in any one board
Can detect and auto-returned test result failure code, tester investigates corresponding failure according to failure code.
In addition, in other operating modes in addition to above-mentioned several test functions, the partial function of awaiting board card can also be selected
Select by being accomplished manually test.
Specific embodiment is presented above, but the present invention is not limited to described implementation method.Base of the invention
This thinking is the hardware configuration of above-mentioned test device, and definitive requirement is not done to specific Test Strategy, no matter test
Strategy detailed process how, as long as using the present invention provide test device come implement protection scope of the present invention it
It is interior.Change, modification, replacement and the modification for being carried out to implementation method without departing from the principles and spirit of the present invention still fall
Enter in protection scope of the present invention.
Claims (8)
1. a kind of new energy current transformer controls the test device of hardware, it is characterised in that including main control unit, input and output unit
And communication unit, the main control unit is connected with input and output unit and communication unit respectively, the input and output unit with
Input and output interface is connected, for being opened into outputing that signal and reception control hardware to be measured are exported to control hardware output to be measured
Signal；The main control unit is connected with AD Sampling Interfaces, the conditioned signal for receiving control hardware output to be measured；The communication
Unit is connected with communication interface, for realizing the communication with control hardware to be measured.
2. new energy current transformer according to claim 1 controls the test device of hardware, it is characterised in that described to open into opening
Outgoing interface includes opening into signalling channel and outputs signalling channel, and described opening is used to control outputing for hardware with to be measured into signalling channel
Signal output part connect, with receive it is to be measured control hardware export output signal；The signalling channel of outputing is used for and treats observing and controlling
Opening into signal input part connection for hardware processed, opens into signal with to control hardware transport to be measured.
3. new energy current transformer according to claim 1 controls the test device of hardware, it is characterised in that the communication connects
Mouth is made up of RS232 PORT COMs, RS485 PORT COMs and CAN port, and RS232 PORT COMs treat observing and controlling for connection
The RS232 communication terminals of hardware processed, realize and the RS232 communications between control hardware to be measured；RS485 PORT COMs are treated for connection
The RS485 communication terminals of observing and controlling hardware, realize and the RS485 communications between control hardware to be measured；CAN port is used to connect
The CAN communication terminal of control hardware to be measured, realizes and the CAN communication between control hardware to be measured.
4. new energy current transformer according to claim 1 controls the test device of hardware, it is characterised in that the test dress
Putting also includes serial line interface, is connected with the communication unit, for being communicated with backstage host computer.
5. new energy current transformer according to claim 2 controls the test device of hardware, it is characterised in that described to open into letter
Number passage uses the mode of Phototube Coupling and outputs signal with receive that control hardware to be measured exports.
6. new energy current transformer according to claim 2 controls the test device of hardware, it is characterised in that described to open into opening
Go out unit and simulated using independent relay output node to the control corresponding signal of hardware transport to be measured.
7. new energy current transformer according to claim 1 controls the test device of hardware, it is characterised in that the test dress
Putting also includes power supply unit, and the direct current that power supply unit is exported is powered for communication unit, main control unit and input and output unit.
8. new energy current transformer according to claim 7 controls the test device of hardware, it is characterised in that the power supply list
Rectification module is provided with unit, for by AC220V AC rectifications into required direct current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710071519.2A CN106909135A (en) | 2017-02-09 | 2017-02-09 | A kind of new energy current transformer controls the test device of hardware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710071519.2A CN106909135A (en) | 2017-02-09 | 2017-02-09 | A kind of new energy current transformer controls the test device of hardware |
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| Publication Number | Publication Date |
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| CN106909135A true CN106909135A (en) | 2017-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710071519.2A Pending CN106909135A (en) | 2017-02-09 | 2017-02-09 | A kind of new energy current transformer controls the test device of hardware |
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Cited By (1)
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| CN109388529A (en) * | 2017-08-08 | 2019-02-26 | 许继集团有限公司 | A kind of relay protection cpu motherboard method for testing performance and system |
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