CN205067682U - Integrated form intelligent test system of photovoltaic inverter integrated circuit board - Google Patents
Integrated form intelligent test system of photovoltaic inverter integrated circuit board Download PDFInfo
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- CN205067682U CN205067682U CN201520790143.7U CN201520790143U CN205067682U CN 205067682 U CN205067682 U CN 205067682U CN 201520790143 U CN201520790143 U CN 201520790143U CN 205067682 U CN205067682 U CN 205067682U
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Abstract
The utility model relates to an integrated form intelligent test system of photovoltaic inverter integrated circuit board, including touch -sensitive screen, continuously adjustable D. C. Regulated power supply, oscillograph and fiber test board, touch -sensitive screen, continuously adjustable D. C. Regulated power supply, fiber test board are connected with the control bottom plate, and the fiber test board is connected with the touch -sensitive screen, and the touch -sensitive screen passes through the RS485 interface to be connected with the control bottom plate, and continuously adjustable D. C. Regulated power supply provides continuously adjustable's D. C. Regulated power supply 0 for the integrated circuit board that awaits measuring, the oscillograph is connected with the drive plate, the fiber test board will be controlled the light signal that the bottom plate sent and turn into the signal of telecommunication, the malfunction of drive plate is planned to the fiber test matrix, gives the control bottom plate with the simulated failure state through light signal transfer, the output state of fiber test board feedback digital quantity. The advantage is: the time has been saved for later stage complete machine debugging to the integrateed test environment of all integrated circuit boards of photovoltaic inverter of same test system, avoids because unneccessary injury that integrated circuit board failure cause arouses.
Description
Technical field
The utility model relates to a kind of integrated-type intelligent test macro of photovoltaic DC-to-AC converter board, for detecting CPU board in photovoltaic DC-to-AC converter, controlling base plate and drive plate, and to the diagnosing malfunction occurred.
Background technology
Photovoltaic DC-to-AC converter is the major equipment converted solar energy into electrical energy, and its control core is the Control card of device interior.Photovoltaic DC-to-AC converter now mainly adopts high-speed dsp and CPLD to realize programmed control, can either be in operation and respond fast, can reach accurate control again.So the detection of board becomes the top priority of photovoltaic DC-to-AC converter production run before installation.
Whether old-fashioned board test mode, mainly for board provides respective voltage supplies, is observed chip on board and is burnt, and measure the pin voltage of main chip after board powers on, to ensure that main chip is run under correct operating voltage.The defect of this test mode is that test job amount is larger, need measure chip more, efficiency is low, and the board of each kind needs independent test environment, and cannot realize testing the actual functional capability of board, after board installation can not be ensured, realize the operation of inverter completely.Old-fashioned test mode can not diagnose concrete failure cause for testing staff, only after installation according to photovoltaic DC-to-AC converter operation conditions localizing faults place, so not only can affect the progress of photovoltaic DC-to-AC converter later stage debugging, serious situation may burn the essential electrical device in photovoltaic DC-to-AC converter, spin out the production cycle, also likely relate to the personal safety of commissioning staff.Consider in all its bearings, old-fashioned board adjustment method all can not meet the reliability before board installation, and there is workload comparatively large, need detection chip more, efficiency is low, cannot carry out actual functional capability test, can not the problem such as localizing faults reason.
Summary of the invention
For overcoming the deficiencies in the prior art, the purpose of this utility model is to provide a kind of integrated-type intelligent test macro of photovoltaic DC-to-AC converter board, realize the full test of same system to boards all in photovoltaic DC-to-AC converter, improve the production efficiency of board, ensure that board reliability of operation in a device, shorten the production cycle.
For achieving the above object, the utility model is achieved through the following technical solutions:
A kind of integrated-type intelligent test macro of photovoltaic DC-to-AC converter board, comprise awaiting board card, awaiting board card comprises control base plate, drive plate, CPU board, CPU board is connected with control base plate, also comprise touch-screen, Continuous Adjustable DC Voltage-stabilized Power, oscillograph and test optical fiber plate, touch-screen, Continuous Adjustable DC Voltage-stabilized Power, test optical fiber plate are connected with control base plate, test optical fiber plate is connected with touch-screen, touch-screen by RS485 interface with control base plate and be connected, Continuous Adjustable DC Voltage-stabilized Power provides continuously adjustable voltage signal for awaiting board card; Oscillograph is connected with drive plate, the drive singal of real-time display driver plate; The light signal that control base plate sends is converted into electric signal by test optical fiber plate, utilizes touch-screen to be presented to testing staff; Test optical fiber template die intends the malfunction of drive plate, sends simulated failure state to control base plate by light signal; The output state of test optical fiber plate feedback digital amount.
Compared with prior art, the beneficial effects of the utility model are:
The touch-screen with RS485 communication interface is adopted to carry out assigning of test instruction with control base plate, test optical fiber plate is utilized to observe the test mode of awaiting board card, test process is cheer and bright, intuitively test process, test result and tracing trouble can be shown to testing staff, simple to operate, precisely can position fault, improve detection efficiency, shorten the test duration; Continuous Adjustable DC Voltage-stabilized Power is adopted to simulate the analog quantity of on-the-spot actual acquisition and the forward voltage between IGBT collector and emitter, the actual motion state of awaiting board card is simulated, shield the fault that all awaiting board card likely occur at the scene, guarantee availability and the reliability of awaiting board card during equipment machine debugging; Same test macro is integrated with the test environment of all boards of photovoltaic DC-to-AC converter, for later stage machine debugging saves the time, avoids the unnecessary injury caused by board faults reason.
Accompanying drawing explanation
Fig. 1 is electrical schematic diagram of the present utility model.
Fig. 2 is logic diagram of the present utility model.
Fig. 3 is awaiting board card content measurement block diagram.
Embodiment
Below in conjunction with Figure of description, the utility model is described in detail, but it should be noted that enforcement of the present utility model is not limited to following embodiment.
See Fig. 1, Fig. 2, a kind of integrated-type intelligent test macro of photovoltaic DC-to-AC converter board, comprise awaiting board card, awaiting board card comprises control base plate, drive plate, CPU board, CPU board is connected with control base plate, also comprise touch-screen, Continuous Adjustable DC Voltage-stabilized Power, oscillograph and test optical fiber plate, touch-screen, Continuous Adjustable DC Voltage-stabilized Power, test optical fiber plate is connected with control base plate, test optical fiber plate is connected with touch-screen, touch-screen is connected with control base plate by RS485 interface, Continuous Adjustable DC Voltage-stabilized Power provides continuously adjustable voltage signal for awaiting board card, oscillograph is connected with drive plate, the drive singal of real-time display driver plate, the light signal that control base plate sends is converted into electric signal by test optical fiber plate, utilizes touch-screen to be presented to testing staff, test optical fiber template die intends the malfunction of drive plate, sends simulated failure state to control base plate by light signal, the output state of test optical fiber plate feedback digital amount.
See Fig. 1, Fig. 2, CPU board is the core that photovoltaic DC-to-AC converter controls, and plate is loaded with the major control chips such as DSP28335, CPLD, FRAM, AD conversion, after control program programming to corresponding chip, can realizes the complete control to photovoltaic DC-to-AC converter; CPU board and control base plate adopt connector to realize the transmission of control signal between two plates, and control signal is transferred to external electrical equipment by controlling base plate by CPU board, and completes the feedback of on-the-spot real data to CPU board; Touch-screen need have RS485 communication interface, at the scene during actual motion, operating personnel have carried out the control to photovoltaic DC-to-AC converter by operation touch-screen, be connected with control base plate by RS485 communication so the utility model adds touch-screen, carry out instruction issuing and data feedback whether to detect between CPU board; By optical signal detecting pulse control signal and drive plate feedback signal normally whether whether test optical fiber plate, for designed by the utility model, is connected with control base plate by optical, electrical signal, normal by the input and output of electrical signal detection digital quantity; Be connected after the parallel connection of all for control base plate analog quantity terminals with Continuous Adjustable DC Voltage-stabilized Power, by the feedback of stabilized voltage supply simulated field realistic simulation amount, whether the input and output detecting analog quantity are correct; By optical fiber, drive plate is connected with control base plate, control base plate is utilized to send pwm pulse signal to drive plate, the collector of the positive pole of Continuous Adjustable DC Voltage-stabilized Power, negative pole and drive plate, emitter are connected respectively, like this can analog-driven plate actual motion state at the scene, the function of drive plate is detected with this.
See Fig. 3, concrete content measurement is communication test, pwm pulse test, number connect test test, analog input and output test, FRAM readwrite tests, DSP computing test and drive plate test.Can the object of communication test realize communication with touch-screen by RS485 communication interface for detecting CPU board and controlling base plate, when getting rid of machine debugging touch-screen cannot with the communication of control base plate, the situation that cannot send instructions down; The object of pwm pulse test detects CPU board whether frequency as requested to send corresponding pwm pulse to control base plate, cannot send correct driving pulse, cause the situation that drive plate can not normally work when getting rid of machine debugging; The object of number connect test test detects CPU board whether can issue correct digital quantity instruction, can the relay controlled on base plate carry out correct adhesive according to cpu instruction and be separated, correct instruction cannot be assigned when getting rid of machine debugging, make outside electric elements cisco unity malfunction; Analog input and output test purpose detects CPU board normally analog signals to be detected with control base plate, and it is correctly shown, corresponding warning whether is made as analog quantity exceeds hardware protection scope, cannot carry out to analog signals the fault alarm that acquisition and display causes when getting rid of machine debugging, and corresponding alarm indication cannot be made to situations such as overcurrent-overvoltages; FRAM readwrite tests object is whether the FRAM chip detected in CPU board can normally be downloaded parameter and keep, because scene often there will be circut breaking, equipment needs to possess parameter power down and keeps function, FRAM chip is the acp chip realizing this function, during this test eliminating machine debugging, parameter can not keep, and affects the situation that equipment good debug runs; DSP computing test purpose detects DSP whether can carry out normal computing, because DSP is the kernel control chip of photovoltaic DC-to-AC converter, detecting it, whether can to carry out normal work be the most key part of the utility model, detection means is in the past merely able to verify that whether the pin voltage of DSP is correct, can not verify that can it practical function, can get rid of by this utility model the situation that dsp chip function can not realize causing machine debugging fault; Can whether drive plate test purpose can drive IGBT normally to work for detecting drive plate, and carry out fault alarm, gets rid of because drive plate fault cannot realize invert function.
The utility model achieves the test environment that same test macro is integrated with all boards of photovoltaic DC-to-AC converter, for later stage machine debugging saves the time, avoids the unnecessary injury caused by board faults reason.The touch-screen with RS485 communication interface is adopted to carry out assigning of test instruction with control base plate, test optical fiber plate is utilized to observe the test mode of awaiting board card, test process is cheer and bright, intuitively test process, test result and tracing trouble can be shown to testing staff, simple to operate, precisely can position fault, improve detection efficiency, shorten the test duration; Continuous Adjustable DC Voltage-stabilized Power is adopted to simulate the analog quantity of on-the-spot actual acquisition and the forward voltage between IGBT collector and emitter, the actual motion state of awaiting board card is simulated, shield the fault that all awaiting board card likely occur at the scene, guarantee availability and the reliability of awaiting board card during equipment machine debugging.
Claims (1)
1. the integrated-type intelligent test macro of a photovoltaic DC-to-AC converter board, comprise awaiting board card, awaiting board card comprises control base plate, drive plate, CPU board, CPU board is connected with control base plate, it is characterized in that, also comprise touch-screen, Continuous Adjustable DC Voltage-stabilized Power, oscillograph and test optical fiber plate, touch-screen, Continuous Adjustable DC Voltage-stabilized Power, test optical fiber plate is connected with control base plate, test optical fiber plate is connected with touch-screen, touch-screen is connected with control base plate by RS485 interface, Continuous Adjustable DC Voltage-stabilized Power provides continuously adjustable voltage signal for awaiting board card, oscillograph is connected with drive plate, the drive singal of real-time display driver plate, the light signal that control base plate sends is converted into electric signal by test optical fiber plate, utilizes touch-screen to be presented to testing staff, test optical fiber template die intends the malfunction of drive plate, sends simulated failure state to control base plate by light signal, the output state of test optical fiber plate feedback digital amount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520790143.7U CN205067682U (en) | 2015-10-12 | 2015-10-12 | Integrated form intelligent test system of photovoltaic inverter integrated circuit board |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520790143.7U CN205067682U (en) | 2015-10-12 | 2015-10-12 | Integrated form intelligent test system of photovoltaic inverter integrated circuit board |
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| Publication Number | Publication Date |
|---|---|
| CN205067682U true CN205067682U (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520790143.7U Expired - Fee Related CN205067682U (en) | 2015-10-12 | 2015-10-12 | Integrated form intelligent test system of photovoltaic inverter integrated circuit board |
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| CN (1) | CN205067682U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108459263A (en) * | 2018-03-13 | 2018-08-28 | 成都西南交大机电设备有限公司 | System type inverter board testing stand |
| CN112631174A (en) * | 2020-12-09 | 2021-04-09 | 中交一航局安装工程有限公司 | On-site electrical debugging method based on Internet of things |
-
2015
- 2015-10-12 CN CN201520790143.7U patent/CN205067682U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108459263A (en) * | 2018-03-13 | 2018-08-28 | 成都西南交大机电设备有限公司 | System type inverter board testing stand |
| CN112631174A (en) * | 2020-12-09 | 2021-04-09 | 中交一航局安装工程有限公司 | On-site electrical debugging method based on Internet of things |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160302 Termination date: 20181012 |