CN105842560A - Relay protection type component testing system - Google Patents
Relay protection type component testing system Download PDFInfo
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- CN105842560A CN105842560A CN201610176405.XA CN201610176405A CN105842560A CN 105842560 A CN105842560 A CN 105842560A CN 201610176405 A CN201610176405 A CN 201610176405A CN 105842560 A CN105842560 A CN 105842560A
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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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Abstract
The invention relates to a relay protection type component testing system which is used for testing relay protection type components of relay, transformer, mutual inductor, etc. The relay protection type component testing system comprises a user management module, an automatic control module, a data acquisition module and a database management module. The user management module has functions of user registration, user editing, user logging-on, etc. The automatic control module is used for realizing automatic testing and performs the functions of controlling a testing system interface board, controlling a testing system clamp, controlling a programmable voltage/current source and accessing a register in a product. The data acquisition module is used for acquiring measuring parameters of different kinds of relay protection type components. The relay protection type component testing system selects different testing sets for testing different relay protection components and can perform automatic calibration on the components. The relay protection type component testing system has advantages of high equipment customization degree, effective capability of finishing all electric performances of the current relay protection type component, easy operation, high automatic degree in the testing process and effective testing efficiency increase.
Description
Technical field
The present invention relates to a kind of relay protection class component test system, for the test of relay protection class component such as relay, power transformation device, transformer etc..
Background technology
Relay protection generally refers to when power system has an accident or during fault, by the action of relay protection element, and open failure circuit or put into stand-by power supply, ensure power supply with interrupting short circuit as early as possible, to reduce the harm to power system and loss.
Existing relay protection tester, based on Embedded Software Development Environment, is arranged the input and output of current/voltage, and is detected relay protection element by embedded acquisition module by board, and test result is shown by liquid crystal display screen.Traditional tester has a disadvantage in that versatility is not strong, and independent relay protection element is only tested by traditional tester, for other kinds of relay protection element, it is also desirable to change the kind of tester；Traditional tester test is relatively low due to source precision, and analog acquisition sample rate is the highest, and therefore measuring accuracy is low, it is impossible to meet the demand of modern relay protection；Customization degree is the highest, it is impossible to meet the test of the functions such as the such as LED detection of relay protection element ilities, monitoring temperature；Exploitation test interface based on script is unfriendly, and operative is complicated, it is impossible to test data are uploaded to data base；Test equipment can not complete self calibration.
Summary of the invention
For above-mentioned deficiency of the prior art; the invention provides a kind of relay protection class component test system; the test to different types of relay protection element is completed based on a test equipment; and select different test sets that product is tested for different relay protection elements; element can be calibrated automatically; device customizing degree is high; complete the test of the current whole electric property of relay protection class component; and it is easily operated; test process automation degree is high; reduce artificial participation, improve testing efficiency.
Technical solution of the present invention is as follows:
A kind of relay protection class component test system, this system bag expands: user management module, automation control module, data acquisition module, database management module,
Described user management module includes the functions such as the login of the registration of user, editor and user；
Described automation control module is for realizing the automatization of test, including control, the test control of system clamp, the control of programmable voltage/current source and the access of interiors of products depositor of measurement system interface plate；
Described data acquisition module for measuring the collection of parameter to different types of relay protection element; the detection of function, the detection of product digital IO is measured including product voltage remaining (VHR) detection, the detection of product attracting state, the detection of product pickup time, product itself; wherein VHR voltage detecting is mainly used to differentiate that the running voltage of product is whether in normal interval; the detection of product attracting state product pickup time is main judges whether tested device, when different extraneous current/voltages injects, its attracting state and pickup time meets standard；
Described database purchase management module for the subsequent treatment of data after gathering, including data backup, the typing of data, the inquiry of data and the deletion of data, add, amendment function.
As preferably, described data acquisition module also includes the detection of product LED display function, the temperature detection of product, described LED display function refers to that product is under different duties, the LED carried presents different color marks, logical LED the detection color of board monitoring LED, brightness are in order to judge the attracting state of product, and the temperature detection of described product is the most normal in order to verify that product carries temperature detecting function.
As preferably, the mode of described product temperature detection is, system completes the collection of product temperature by temperature controller and platinum resistance thermometer sensor, accesses the temperature value of storage in product depositor simultaneously, is compared by the temperature value of the numerical value collected with storage.
As preferably, the attracting state of described product and the detection of pickup time are mainly used to judge that test product is when different extraneous current/voltages injects, whether the attracting state of this test product and pickup time meet standard, test system gathers the waveform of injection current/voltage and the state waveform of product adhesive respectively by double acquisition channels, and the time difference measuring both is pickup time.
As preferably, the mode of the detection that described product itself measures function is to product injection current to be measured, the data recorded are stored in the depositor of interiors of products by the measurement function that product carries, system measures this current value by other measuring instruments, the data of gained are made comparisons with the data being stored in before in depositor, if both differences are not in the scope of regulation, difference is then stored in depositor as offset by system, it is achieved product itself is measured the calibration of function.
As preferably, described user management module also includes that the operating right to user carries out the division of grade, it is divided into operative employee, technician and engineer's Three Estate, wherein operative employee has the authority selecting product type with running corresponding program, technician is in addition to the authority with operative employee, also having the authority of access characteristics curve, engineer also has the authority rolled off the production line in editor's cycle tests and test data in addition to the authority with technician.
As preferably, in described automation control module, the control of measurement system interface plate includes selecting TCH test channel, setting to the digital input port of product to be measured, the control of described programmable voltage/current source includes controlling the type to the voltage/current that product to be measured injects, rank, and described electric current uses constant-current source.
As preferably, testing the control of system clamp in described automation control module to include using fixture to grip product to be measured, move, connects and release etc. operates, the control testing system clamp in described automation control module also includes the connection of auxiliary testing tool.
As preferably, when in described automation control module, the access of interiors of products depositor is mainly used in test, the parameter to product is arranged, including operating current threshold value, time delay pickup time, calibration value and the setting of digital output state.
As preferably; described relay protection class component test system is based on patterned LabVIEW software platform; control power supply by ICP/IP protocol and realize analog stimulus voltage/current; the VHR of relay protection product, pickup time, attracting state is monitored by analog acquisition card; the state of product depositor to be measured, the input/output function of checking product are set by Modbus protocol access.
The present invention has the beneficial effects that: 1) highly versatile, can select different cycle testss by configuration file, in order to test different relay protection elements；2) data acquisition is abundant in content, precision is high, use constant-current source and high precision instrument that the test performance of relay product is tested, constant-current source has the advantage that wide spectrum, high accuracy and corresponding speed are fast, constant current accuracy is high, thus test result is accurate, and automatically can calibrate relay product；3) automaticity is high, and system realizes the control of measurement system interface plate, test fixture, voltage x current by automation control module, and testing efficiency is high；4) degree is customized high, in addition to the electric property of relay product, it is also possible to show product LED, the ilities such as temperature is tested；5) by database management module, test result automatically saved, be uploaded to data base, be easy to reviewing and remotely accessing of data；6) based on patterned LabVIEW software platform, friendly interface, it is easy to operation.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the embodiment of the present invention a kind of relay protection class component test system.
Fig. 2 is the schematic flow sheet of using method of the present invention.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is further detailed explanation.
Schematic diagram refering to Fig. 1 present invention a kind of relay protection class component test system.
A kind of relay protection class component test system, this system bag expands: user management module, automation control module, data acquisition module, database management module,
Described user management module includes the functions such as the login of the registration of user, editor and user；
Described automation control module is for realizing the automatization of test, including control, the test control of system clamp, the control of programmable voltage/current source and the access of interiors of products depositor of measurement system interface plate；
Described data acquisition module for measuring the collection of parameter to different types of relay protection element, detect including product voltage remaining, the detection of product attracting state, the detection of product pickup time, product itself measures the detection of function, the detection (Fig. 1 is abbreviated as relay protection DIO Function detection) of product digital IO, the detection method of described product digital IO is by arranging the value of interiors of products depositor so that some digital output of product exports high level, detect whether this level is high with Data Acquisition Card, similarly, the input function of product the digital input port of product will set high level, whether the buffer status then reading correspondence is high level；
Described database purchase management module for the subsequent treatment of data after gathering, including data backup, the typing of data, the inquiry of data and the deletion of data, add, amendment function.
Described data acquisition module also includes the detection of product LED display function, the temperature detection of product, described LED display function refers to that product is under different duties, the LED carried presents different color marks, logical LED the detection color of board monitoring LED, brightness are in order to judge the attracting state of product, and the temperature detection of described product is the most normal in order to verify that product carries temperature detecting function.
The mode of described product temperature detection is, system is the platinum resistance thermometer sensor, of PT100 by temperature controller and platinum resistance thermometer sensor, preferably model, completes the collection of product temperature, access the temperature value of storage in product depositor simultaneously, the temperature value of the numerical value collected with storage is compared.
The attracting state of described product and the detection of pickup time are mainly used to judge that test product is when different extraneous current/voltages injects, whether the attracting state of this test product and pickup time meet standard, test system gathers the waveform of injection current/voltage and the state waveform of product adhesive respectively by double acquisition channels, and the time difference measuring both is pickup time.
The mode of the detection that described product itself measures function is to product injection current to be measured, the data recorded are stored in the depositor of interiors of products by the measurement function that product carries, system measures this current value by other measuring instruments, the data of gained are made comparisons with the data being stored in before in depositor, if product self measures the data of functional test the most within the limits prescribed, test display FAIL, product will be calibrated by equipment further: first system controls current source output rated current to product, the data simultaneously recorded by system measurement instrument by Modbus order are sent to product depositor, then system sends calibration command to product, deviant can be preserved to corresponding depositor for the offset tested by product, thus realize the function of calibration.
Described user management module also includes that the operating right to user carries out the division of grade, it is divided into operative employee, technician and engineer's Three Estate, wherein operative employee has the authority selecting product type with running corresponding program, technician is in addition to the authority with operative employee, also having the authority of access characteristics curve, engineer also has the authority rolled off the production line in editor's cycle tests and test data in addition to the authority with technician.
In described automation control module, the control of measurement system interface plate includes selecting TCH test channel, setting to the digital input port of product to be measured, the control of described programmable voltage/current source includes controlling the type to the voltage/current that product to be measured injects, rank, and described electric current uses constant-current source.
Described automation control module is tested the control of system clamp include using fixture that product to be measured is gripped, move, connect and release etc. operates, the control testing system clamp in described automation control module also includes auxiliary testing tool, as tested the connection of probe.
When in described automation control module, the access of interiors of products depositor is mainly used in test, the parameter to product is arranged, including operating current threshold value, time delay pickup time, calibration value and the setting of digital output state.
Described relay protection class component test system is based on patterned LabVIEW software platform; testing system software user interface is for display test data and characteristic curve in real time; it is easy to engineer and carries out the analysis to properties of product; control power supply by ICP/IP protocol and realize analog stimulus voltage/current; the VHR of relay protection product, pickup time, attracting state is monitored by analog acquisition card; the state of product depositor to be measured, the input/output function of checking product are set by Modbus protocol access.
Refering to the schematic flow sheet of Fig. 2 using method of the present invention, wherein UUT verification, VIR measurement, UUTDIO functional verification, be product verifying function to be measured respectively, and voltage remaining is measured, the abbreviation of the detection of product input/output function to be measured.
As a example by model is for G5 catalyst: step one, user accesses to your account after login, and software shows different operation interfaces according to the authority of account；
Step 2, this product type G5 catalyst tested is selected at operation interface, relay protection measures the detection of function, modbus functional verification, VHR voltage verification, LED display checking, checking pickup time to select cycle tests collection to include, then arranges the bound of each test item.If product calibration value scope is [4300,4500], it is G5 by Modbus protocol access product depositor model, VHR range of voltage values is [9.5,10.5], and LED color when product attracting state (injection current 60mA) is orange, non-pull status color is green, when injection current is 240mA, pickup time, scope was [2,2.5], preserves and exit after setting bound；
Step 3, test function is selected to enter test interface, after system senses that product to be measured is in place, automatically the serial number of product to be measured is scanned, after judging the naming rule whether this serial number meets selected product type, test automated system operation cycle tests is tested, and the test interface of each shows with the form of PASS or FAIL on the test result hurdle often gone；
Step 4, calibrates test item, the first electric current of programmable power supply output different stage at product and injects product end, and then product to be measured is calibrated by system by modbus order, if the final calibration value read is in the range of [4300,4500], then tests PASS.The value that correspondence stores the depositor of product type to be measured is read, if this value is the 15(product type G5 value at depositor again by modbus), test PASS.Then judge whether it meets scope [9.5,10.5] by the level of analog acquisition card collection VHR test point.Injecting the electric current more than threshold current 60mA to product by current source again, according to test request, test LED display orange state then tests PASS.During last injection current 240mA, product is by instantaneous adhesive and measures whether pickup time meets [2,2.5]
。
Step 5, tests last software display test result frame, shows total test result whether PASS.Generate the test report of Excel form simultaneously and test result is uploaded to data base.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention, and General Principle defined herein can realize without departing from the spirit or scope of the present invention in other embodiments.The scope of the present invention is limited by claim and equivalent thereof.
Claims (10)
1. a relay protection class component test system, it is characterised in that this system bag expands: user management module, automation control module, data acquisition module, database management module,
Described user management module includes the functions such as the login of the registration of user, editor and user；
Described automation control module is for realizing the automatization of test, including control, the test control of system clamp, the control of programmable voltage/current source and the access of interiors of products depositor of measurement system interface plate；
Described data acquisition module for measuring the collection of parameter to different types of relay protection element, including the detection of product voltage remaining, the detection of product attracting state, the detection of product pickup time, product self the measurement detection of function, the detection of product digital IO；
Described database purchase management module for the subsequent treatment of data after gathering, including data backup, the typing of data, the inquiry of data and the deletion of data, add, amendment function.
A kind of relay protection class component test system the most according to claim 1; it is characterized in that: described data acquisition module also includes the detection of product LED display function, the temperature detection of product; described LED display function refers to that product is under different duties; the LED carried presents different color marks; logical LED the detection color of board monitoring LED, brightness are in order to judge the attracting state of product, and the temperature detection of described product is the most normal in order to verify that product carries temperature detecting function.
A kind of relay protection class component test system the most according to claim 2; it is characterized in that: the mode of described product temperature detection is; system completes the collection of product temperature by temperature controller and platinum resistance thermometer sensor; access the temperature value of storage in product depositor simultaneously, the temperature value of the numerical value collected with storage is compared.
A kind of relay protection class component test system the most according to claim 1; it is characterized in that: the attracting state of described product and the detection of pickup time are mainly used to judge that test product is when different extraneous current/voltages injects; whether the attracting state of this test product and pickup time meet standard; test system gathers the waveform of injection current/voltage and the state waveform of product adhesive respectively by double acquisition channels, and the time difference measuring both is pickup time.
A kind of relay protection class component test system the most according to claim 1; it is characterized in that: the mode of the detection that described product itself measures function is to product injection current to be measured; the data recorded are stored in the depositor of interiors of products by the measurement function that product carries; system measures this current value by other measuring instruments; the data of gained are made comparisons with the data being stored in before in depositor; if both differences are not in the scope of regulation; difference is then stored in depositor as offset by system, it is achieved product itself is measured the calibration of function.
A kind of relay protection class component test system the most according to claim 1; it is characterized in that: described user management module also includes that the operating right to user carries out the division of grade; it is divided into operative employee, technician and engineer's Three Estate; wherein operative employee has the authority selecting product type with running corresponding program; technician is in addition to the authority with operative employee; also having the authority of access characteristics curve, engineer also has the authority rolled off the production line in editor's cycle tests and test data in addition to the authority with technician.
A kind of relay protection class component test system the most according to claim 1; it is characterized in that: in described automation control module, the control of measurement system interface plate includes selecting TCH test channel; setting to the digital input port of product to be measured; the control of described programmable voltage/current source includes controlling the type to the voltage/current that product to be measured injects, rank, and described electric current uses constant-current source.
A kind of relay protection class component test system the most according to claim 1; it is characterized in that: testing the control of system clamp in described automation control module and include using fixture to grip product to be measured, move, connect and release etc. operates, the control testing system clamp in described automation control module also includes the connection of auxiliary testing tool.
A kind of relay protection class component test system the most according to claim 1; it is characterized in that: when in described automation control module, the access of interiors of products depositor is mainly used in test, the parameter to product is arranged, including operating current threshold value, time delay pickup time, calibration value and the setting of digital output state.
A kind of relay protection class component test system the most as claimed in any of claims 1 to 9; it is characterized in that: described relay protection class component test system is based on patterned LabVIEW software platform; control power supply by ICP/IP protocol and realize analog stimulus voltage/current; the VHR of relay protection product, pickup time, attracting state is monitored by analog acquisition card; the state of product depositor to be measured, the input/output function of checking product are set by Modbus protocol access.
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Cited By (3)
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| CN110579666A (en) * | 2019-10-14 | 2019-12-17 | 华自科技股份有限公司 | automatic test system for transformer relay protection equipment |
| CN111900694A (en) * | 2020-07-07 | 2020-11-06 | 贵州电网有限责任公司 | Relay protection equipment information acquisition method and system based on automatic identification |
| CN112731126A (en) * | 2020-12-07 | 2021-04-30 | 许昌开普检测研究院股份有限公司 | Automatic testing system and method for relay protection device environmental test |
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Application publication date: 20160810 |