CN105738729A - Uninterruptible power supply rectification control interface board test system and method - Google Patents
Uninterruptible power supply rectification control interface board test system and method Download PDFInfo
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- CN105738729A CN105738729A CN201610075785.8A CN201610075785A CN105738729A CN 105738729 A CN105738729 A CN 105738729A CN 201610075785 A CN201610075785 A CN 201610075785A CN 105738729 A CN105738729 A CN 105738729A
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Abstract
The invention relates to an uninterruptible power supply rectification control interface board test system and method. The method comprises the steps that a front-end processor analyzes test case information into an excitation configuration instruction, a channel configuration instruction, a sequential control instruction and a signal acquisition instruction; a relay tester and a DC adjustable power supply respectively output corresponding AC and DC voltage excitation signals; a temperature and humidity measurement and control board acquires temperature and humidity information and acquires the DC voltage excitation signals and power supply signals; an acquisition control device accesses the power supply signals and the AC and/or DC voltage excitation signals to an acquisition adaptation device; the AC voltage excitation signals are acquired; the acquisition adaptation device performs conditioning on the AC and/or DC voltage excitation signals and inputs the AC and/or DC voltage excitation signals to a rectification control interface board; response signals outputted by the rectification control interface board are acquired; and the front-end processor processes and stores the acquired signals. With application of the technical scheme, work personnel of test personnel can be enhanced and maintenance cost can be reduced.
Description
Technical Field
The invention relates to the field of nuclear power, in particular to a test system and a test method for a rectification control interface board of an uninterruptible power supply.
Background
At present, the first-stage and second-stage nuclear power stations in Bay, Ridge and Australia generally use an uninterruptible power supply to ensure the safe and stable operation of a power station, an inverter clamping piece is an important component part inside the uninterruptible power supply and is an important clamping piece for ensuring the normal operation of an inverter and a rectifier control system of the nuclear power station, and the inverter clamping pieces of different types can be used for different power supply systems.
The AEGII series card comprises 7 cards, wherein the rectification control interface board is used as an important component of an inverter system of the nuclear power station, converts externally input alternating current and direct current voltage signals into direct current voltages of various voltage levels, provides required power supply excitation signals for other cards, and simultaneously ensures that the rectifier works normally when external input is unstable. The method has an important effect on ensuring the reliable and stable operation of the inverter system, so that the inverter system needs to be independently tested, and the output voltage grade of the clamping piece of the rectification control interface board is ensured to be normally output.
At present, the internal research of the pertinence of the inside fastener of the nuclear power station inverter that lacks, the maintenance of this type fastener or replace and rely on carrying out the artifical level inspection or the simple appearance recognition of complete machine to the relevant cabinet body of the whole system of inverter and confirm the operating condition of fastener, can't go up electric test analysis to old fastener automatically or in batches, lack the means of carrying out intelligent inspection and diagnosis to fastener trouble hidden danger.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a testing system and method for a rectification control interface board of an uninterruptible power supply, aiming at the above-mentioned defect that the rectification control interface board in the prior art cannot be subjected to automatic batch power-on testing, so as to improve the working efficiency of the tester and reduce the material cost and time cost of maintenance.
The technical scheme adopted by the invention for solving the technical problems is as follows: a test system of a rectification control interface board of an uninterruptible power supply is constructed, the test system is used for testing whether power output of each grade of the rectification control interface board is normal, and the rectification control interface board is connected with a rectification monitoring control board through an ash bar, the test system comprises: the system comprises a front-end processor, a relay protection tester, a direct-current adjustable power supply, a switching power supply, a temperature and humidity measurement and control board, an acquisition control device and an acquisition adapter device; wherein,
the front-end processor is used for analyzing the test case information into an excitation configuration instruction, a channel configuration instruction, a time sequence control instruction and a signal acquisition instruction, and respectively issuing the excitation configuration instruction, the channel configuration instruction, the time sequence control instruction and the signal acquisition instruction to the relay protection tester, the direct-current adjustable power supply, the acquisition control device and the acquisition adaptive device; the device is also used for processing and storing the collected power supply signal, the alternating voltage excitation signal and/or the direct voltage excitation signal, the response signal and the temperature and humidity information;
the relay protection tester is used for outputting a corresponding alternating voltage excitation signal according to an excitation configuration instruction issued by the front-end processor;
the direct-current adjustable power supply is used for outputting a corresponding direct-current voltage excitation signal according to an excitation configuration instruction issued by the front-end processor;
the switching power supply is used for outputting a power supply signal;
the temperature and humidity measurement and control board is used for collecting temperature and humidity information in real time and collecting a direct-current voltage excitation signal and a power supply signal according to a time sequence control instruction and a signal collection instruction issued by the front-end processor;
the acquisition control device is used for carrying out channel configuration according to a channel configuration instruction issued by the front-end processor and accessing a power supply signal, an alternating voltage excitation signal and/or a direct voltage excitation signal to the acquisition adaptation device through corresponding channels according to a time sequence control instruction issued by the front-end processor; the alternating current voltage excitation signal acquisition module is also used for acquiring an alternating current voltage excitation signal according to a time sequence control instruction and a signal acquisition instruction issued by the front-end processor;
the acquisition adapting device is used for conditioning an alternating voltage excitation signal and/or a direct voltage excitation signal and inputting the conditioned alternating voltage excitation signal and/or the conditioned direct voltage excitation signal to the rectification control interface board; and the system is also used for carrying out channel configuration according to a channel configuration instruction sent by the front-end processor and collecting response signals output by the power output ends of all levels of the rectification control interface board according to a time sequence control instruction and a signal collection instruction sent by the front-end processor.
Preferably, the acquisition control device comprises a main control board, a switching value output board and an analog input board, wherein,
the main control board is used for configuring corresponding channels of the switching value output board and the analog input board according to a channel configuration instruction issued by the front-end processor and transmitting the collected alternating voltage excitation signal to the front-end processor;
the switching value output board is connected with the relay protection tester, the direct-current adjustable power supply and the switching power supply and is used for connecting a power supply signal, an alternating-current voltage excitation signal and/or a direct-current voltage excitation signal to the acquisition adapting device through corresponding channels according to a time sequence control instruction issued by the front-end processor under the control of the main control board;
and the analog input board is connected with the relay protection tester and is used for acquiring the alternating voltage excitation signal according to the time sequence control command and the signal acquisition command issued by the front-end processor under the control of the main control board.
Preferably, the acquisition adapting device comprises an adapting board and a distributed measurement and control board, wherein,
the adapter board is connected with the rectification control interface board and is used for conditioning the alternating voltage excitation signal and/or the direct voltage excitation signal and sending the conditioned alternating voltage excitation signal and/or the conditioned direct voltage excitation signal into the rectification control interface board; the system is also used for conditioning response signals output by the power output ends of all levels of the rectification control interface board;
and the distributed measurement and control board is connected with the adapter board and is used for carrying out channel configuration according to the channel configuration instruction sent by the front-end processor and collecting the conditioned response signal according to the time sequence control instruction and the signal collection instruction sent by the front-end processor.
Preferably, still include the rack, just the rack includes a plurality of interlayers, a plurality of interlayers are independent holding front-end processor, direct current adjustable power, humiture observe and control board, collection controlling means, collection adapter device respectively.
Preferably, the method further comprises the following steps:
a fan mounted on the top of the cabinet;
and the warm air blower is installed below the cabinet.
Preferably, the front-end processor is further configured to analyze the test case information into a temperature and humidity configuration instruction, and send the temperature and humidity configuration instruction to the temperature and humidity measurement and control board;
and the temperature and humidity measurement and control board is also used for carrying out closed-loop control on the operation of the fan and the heater according to the temperature and humidity configuration instruction.
Preferably, the method further comprises the following steps: the switch is used for providing a plurality of data transmission channels, and the front-end processor transmits information through the switch by adopting a unified Ethernet communication protocol with the relay protection tester, the direct-current adjustable power supply, the acquisition control device, the acquisition adapting device and the temperature and humidity measurement and control board.
Preferably, the method further comprises the following steps:
the human-computer interaction terminal is used for receiving test case information configured by a tester and receiving call information of the tester to a test case; the device is also used for processing the power supply signal, the alternating voltage excitation signal and/or the direct voltage excitation signal and the response signal in the experimental process and displaying the power supply signal, the alternating voltage excitation signal and/or the direct voltage excitation signal, the response signal and the processing result information.
Preferably, the method is used for storing test case information, power supply signals, alternating voltage excitation signals and/or direct voltage excitation signals and response signals in the experimental process, and interacting data and programs with the human-computer interaction terminal and the front-end processor.
The invention also constructs a test method of the rectification control interface board of the uninterrupted power supply, which comprises the following steps:
the front-end processor analyzes the test case information into an excitation configuration instruction, a channel configuration instruction, a time sequence control instruction and a signal acquisition instruction;
the relay protection tester and the direct-current adjustable power supply respectively output corresponding alternating-current voltage excitation signals and direct-current voltage excitation signals according to excitation configuration instructions issued by the front-end processor;
the temperature and humidity measurement and control board collects temperature and humidity information and collects direct-current voltage excitation signals and power signals output by the switching power supply according to a time sequence control instruction and a signal collection instruction issued by the front-end processor;
the acquisition control device carries out channel configuration according to a channel configuration instruction issued by the front-end processor, and accesses a power supply signal, an alternating voltage excitation signal and/or a direct voltage excitation signal to the acquisition adaptation device through corresponding channels according to a time sequence control instruction issued by the front-end processor; meanwhile, collecting the alternating voltage excitation signal according to a time sequence control instruction and a signal collection instruction issued by a front-end processor;
the acquisition adapting device conditions the alternating voltage excitation signal and/or the direct voltage excitation signal and inputs the signals to the rectification control interface board; meanwhile, channel configuration is carried out according to a channel configuration instruction sent by the front-end processor, and response signals output by the power output ends of all levels of the rectification control interface board are collected according to a time sequence control instruction and a signal collection instruction sent by the front-end processor;
the front-end processor processes and stores the collected power supply signal, alternating current voltage excitation signal and/or direct current voltage excitation signal, response signal and temperature and humidity information.
By implementing the technical scheme of the invention, the simulation of the working conditions corresponding to various test cases of the rectification control interface board is realized through the cooperative work of software and hardware, the defects that the automatic batch power-on test and intelligent analysis and diagnosis cannot be carried out on the rectification control interface board by using the prior art means are overcome, and the quality detection of a new rectification control interface board, the performance evaluation of an old rectification control interface board and the development of the analysis and diagnosis work of a fault rectification control interface board are facilitated, so that the working efficiency of testers is improved, and the material cost and the time cost of maintenance are reduced.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
fig. 1 is a logic structure diagram of a first embodiment of a testing system for a rectification control interface board of an uninterruptible power supply according to the present invention;
FIG. 2 is a logic structure diagram of a second embodiment of a testing system for a rectification control interface board of an uninterruptible power supply according to the present invention;
fig. 3 is a flowchart of a first embodiment of a testing method for a rectification control interface board of an uninterruptible power supply.
Detailed Description
Fig. 1 is a logic structure diagram of a first embodiment of a test system for a rectification control interface board of an uninterruptible power supply according to the present invention, where the test system of the first embodiment mainly includes: the device comprises a cabinet 101, a relay protection tester 102, an acquisition control device 103, a direct current adjustable power supply 104, an acquisition adapting device 105, a front-end processor 106, a switch 107, a switching power supply 108, a temperature and humidity measurement and control board 109, a server 110, a man-machine interaction terminal 111, a rectification control interface board 112 to be tested and a rectification monitoring control board 113 for auxiliary testing, wherein the rectification control interface board 112 and the rectification monitoring control board 113 are connected through a grey board. The acquisition control device 103 mainly includes a main control board 1031, a switching value output board 1032, and an analog value input board 1033. The acquisition adapter device 105 mainly includes an adapter board 1051 and a distributed measurement and control board 1052.
An acquisition control device 103, a direct-current adjustable power supply 104, an acquisition adapter 105, a front-end processor 106, a switch 107, a switching power supply 108 and a temperature and humidity measurement and control board 109 are installed in the cabinet 101. Preferably, the cabinet 101 includes a plurality of isolation layers, and the isolation layers respectively and independently accommodate the acquisition control device 103, the dc adjustable power supply 104, the acquisition adapter device 105, the front-end processor 106, the switch 107, and the temperature and humidity measurement and control board 109.
In addition, a bulb, a fan heater and a fan are also installed in the cabinet 101. Wherein, the bulb is installed on the top of the cabinet 101 for illumination; the fan heater is installed below the cabinet 101, and the fan is installed on the top of the cabinet 101 for ensuring that the devices inside the cabinet 101 operate at a specific temperature. A switching handle is arranged outside the cabinet 101 and used for controlling the fan and the fan heater, wherein the switching handle is divided into three control gears, when the switching handle is positioned at the heating gear, the fan heater enters a working state, when the switching handle is positioned at the ventilation gear, the fan enters a working state, and when the switching handle is positioned at the remote control gear, the switching of the fan heater and the fan is controlled by the temperature and humidity measurement and control board 106 receiving an instruction of a higher level. Therefore, the cabinet switching handle is ensured to be positioned at a remote control gear before a test experiment.
In this embodiment, the features of the parts are as follows:
the human-computer interaction terminal 111 is used for receiving test case information configured by a tester and receiving call information of the tester to a test case; the device is also used for processing the power supply signal, the alternating voltage excitation signal and/or the direct voltage excitation signal and the response signal in the experimental process and displaying the power supply signal, the alternating voltage excitation signal and/or the direct voltage excitation signal, the response signal and the processing result information. That is, the human-computer interaction terminal 111 provides an interaction platform between the system and the user, and the user can manage information of the test card and the test equipment through the human-computer interaction terminal 111; the experimental parameters can be configured, the experimental process can be controlled and monitored, effective value display frames of environmental parameters, alternating current voltage excitation signals and/or direct current voltage excitation signals, response signals, power signals and the like are provided on an interface, and the alternating current voltage excitation signals and/or direct current voltage excitation signals and the response signals are displayed through a real-time waveform diagram. And a test case can be called, and historical test information and the like can be checked. Meanwhile, the man-machine interaction terminal has an alarm analysis function, when the monitored data exceed a set value, early warning or alarm prompting is carried out on an interface, and when an alarm occurs, the system immediately stops the test process and cuts off the power supply, so that accidents of the board card or the test system are prevented.
And the server 110 is used for storing the test case information, the power supply signal, the alternating voltage excitation signal and/or the direct voltage excitation signal and the response signal in the experimental process, and performing data and program interaction with the human-computer interaction terminal and the front-end processor. That is, the server 110 serves as a data and application service center, stores all experimental test cases, system programs, experimental data, and the like, and performs data and program interaction with the human-computer interaction terminal and the front-end processor.
The front-end processor 106 is configured to analyze the test case information into an excitation configuration instruction, a channel configuration instruction, a timing control instruction, a signal acquisition instruction and a temperature and humidity configuration instruction, and respectively issue the excitation configuration instruction, the channel configuration instruction, the timing control instruction, the signal acquisition instruction and the temperature and humidity configuration instruction to the relay protection tester 102, the direct-current adjustable power supply 104, the acquisition control device 103, the acquisition adaptation device 105 and the temperature and humidity measurement and control board 109; and the device is also used for processing and storing the collected power supply signal, alternating current voltage excitation signal and/or direct current voltage excitation signal, response signal and temperature and humidity information. That is, the front-end processor 106 is mainly responsible for analyzing test cases and issuing commands, and has a certain data storage function, and all real-time monitoring data in the experimental process are uploaded to the front-end processor, and then are sent to the server 110 for structured storage after being preprocessed by the front-end processor.
And the switch 107 is connected with the front-end processor 106 and the lower-end processor device, and is used for providing a multi-channel data transmission channel for the front-end processor 106, and the front-end processor 106 performs information transmission with the relay protection tester 102, the direct-current adjustable power supply 104, the acquisition control device 103, the acquisition adapting device 105 and the temperature and humidity measurement and control board 109 through the switch 107 by using a unified ethernet communication protocol.
The relay protection tester 102 is configured to output a corresponding ac voltage excitation signal according to an excitation configuration instruction issued by the front-end processor 106. The relay protection tester 102 is an ac test signal source, provides a three-phase ac voltage signal, and executes specific output magnitude, phase angle, frequency, output time, and the like according to an excitation configuration instruction issued by the front-end processor 106, and the relay protection tester 102 and the switching value output board 1032 establish an electrical connection loop through a wire.
And the direct-current adjustable power supply 104 is used for outputting a corresponding direct-current voltage excitation signal according to the excitation configuration instruction issued by the front-end processor. The dc adjustable power supply 104 is a dc test signal source, provides a 125V dc voltage, and the specific output size, output time, etc. thereof are executed according to an excitation configuration instruction issued by the front-end processor 106, and the dc adjustable power supply 104 and the switching value output board 1032 establish an electrical connection loop through a wire.
And the switching power supply 108 is used for outputting a power supply signal, and the switching power supply 108 provides working power supply for the adaptation board 1051 and is connected to a power supply input pin of the adaptation board 1051 through a corresponding channel of the switching value output board 1032.
And the main control board 1031 is configured to configure corresponding channels of the switching value output board 1032 and the analog input board 1033 according to a channel configuration instruction issued by the front-end processor 106, and send the acquired ac voltage excitation signal to the front-end processor 106.
The switching value output board 1032 is configured to access the power signal, the alternating-current voltage excitation signal, and/or the direct-current voltage excitation signal to the adaptation board 1051 through corresponding channels according to the timing control instruction issued by the front-end processor 106 under the control of the main control board 1031.
And the analog input board 1033 is configured to acquire the ac voltage excitation signal according to the timing control instruction and the signal acquisition instruction issued by the front-end processor 106 under the control of the main control board 1031.
The temperature and humidity measurement and control board 109 is configured to collect temperature and humidity information in the cabinet 101, and at the same time, the temperature and humidity measurement and control board also serves as a dc monitoring board for the dc adjustable power supply 104 and the switching power supply 108, and collects the dc voltage excitation signal and the power supply signal according to the timing control instruction and the signal collection instruction issued by the front-end processor 106. Preferably, the temperature and humidity control system is further used for performing closed-loop control on the operation of the fan and the heater unit according to the temperature and humidity configuration instruction, so that the temperature and humidity environment inside the cabinet is adjusted.
The adaptation board 1051 is used for conditioning the alternating voltage excitation signal and/or the direct voltage excitation signal, and sending the conditioned alternating voltage excitation signal and/or the conditioned direct voltage excitation signal to the rectification control interface board to provide a reliable and stable excitation signal for the test of the rectification control interface board 112; and is also used for conditioning the response signals output by the power output terminals of the various levels of the rectification control interface board 112.
The distributed measurement and control board 1052 is configured to perform channel configuration according to the channel configuration instruction issued by the front-end processor 106, and acquire the conditioned response signal according to the timing control instruction and the signal acquisition instruction issued by the front-end processor 106. The distributed measurement and control board 1052 is directly connected with the adaptive board 1051, so that the card output response signals can be collected on site, and the signal long-distance transmission distortion can be avoided.
In addition, it should be noted that the test case is a structured test procedure configuration document, and is used to define information such as a test signal type, a size, a timing sequence, a duration, an acquisition channel, and the like in the test. The test case consists of five parts, namely, case basic information (header), test preparation (preparation), acquisition channel configuration (configuration), test process timing control (time) and device definition (devicedefine).
Preferably, a UPS power supply mechanism is used to ensure that the server 110 will still function properly when power is removed. When the mains supply stops supplying power due to faults, the UPS supplies power to the power strip through the air switch, and the output end of the power strip is connected with the front-end processor and the switchboard, so that the man-machine interaction terminal can still read required data from the background under the condition of power failure.
In this embodiment, after a user logs in a test system from the human-computer interaction terminal 111, a preparation work and a related experiment configuration are performed in an early stage of an experiment, where the preparation work includes: the method comprises the steps of checking a test card (a rectification control interface board 112), initializing a test system, starting a power supply, a relay protection tester 102, a direct current adjustable power supply 104, a switching power supply 108, a front-end processor 106 and the like. The experimental configuration included: the test card and the card slot are selected and matched, the test case is selected and matched, and the system provides the function of modifying the test case on line. The selected test case is sent to the front-end processor 106 through the server 110.
The human-computer interaction terminal 111, the server 110 and the front-end processor 106 are platforms for system display, data storage and data processing, are key parts for realizing automation and intelligent control of the test system, are connected through the Ethernet, and provide a test process control and monitoring platform for users. The experimental real-time data uploaded by the front-end computer 106 is displayed through the human-computer interaction terminal 111, a user can call and view historical experimental data from the database of the server 110 through the human-computer interaction terminal 111, and an application service program can be called through the human-computer interaction terminal 111 to perform statistical analysis on the experimental data.
The front-end processor 106 performs information transmission with the relay protection tester 102, the direct-current adjustable power supply 104, the acquisition control device 103, the temperature and humidity measurement and control board 109 and the distributed measurement and control board 1052 through the switch 107, and adopts an ethernet communication protocol in a unified manner. The link between the front-end processor 106 and the relay protection tester 102 and the dc adjustable power supply 104 is unidirectional information transmission, and the front-end processor 106 issues an excitation configuration instruction (ac voltage excitation configuration instruction) to the relay protection tester 102 through the link. The link between the front-end processor 106 and the acquisition control device 103, the temperature and humidity measurement and control board 109, and the distributed measurement and control board 1052 is a bidirectional information transmission link, the front-end processor 106 issues a channel configuration instruction and a time sequence control command to the above three devices through the link at the beginning of the experiment, the analog input board 1033, the temperature and humidity measurement and control board 109, and the distributed measurement and control board 1052 respectively upload the ac voltage excitation signal output by the relay protection tester 102, the dc voltage excitation signal output by the dc adjustable power supply 104, the power supply signal output by the switching power supply 108, the temperature and humidity information output by the temperature and humidity measurement and control board 109, and the response signal output by the rectification control interface board 112 to the front-end processor 106 through the link in the experiment.
The relay protection tester 102 provides an ac voltage excitation signal, and the specific output magnitude, phase angle, frequency, output time, and the like of the ac voltage excitation signal are executed according to an excitation configuration instruction issued by the front-end processor 106, where the relay protection tester provides A, B, C a three-phase ac voltage excitation signal in this embodiment. The output terminal of the relay protection tester 102 is connected to the switching value output board 1032, and the main control board 1031 outputs the ac voltage excitation signal output by the relay protection tester 102 to the adaptation board 1051 through the switching value output board 1032 according to the timing control instruction. Meanwhile, the output terminal of the relay protection tester 102 is connected to the analog input board 1033, and the main control board 1031 collects the ac voltage excitation signal output by the relay protection tester 102 through the corresponding channel according to the channel configuration instruction.
The dc adjustable power supply 104 provides a dc voltage excitation signal, and the specific output size and output time are executed according to the command issued by the front-end processor 106, in this embodiment, the dc adjustable power supply 104 provides a 125V dc voltage excitation signal. The output terminal of the dc adjustable power supply 104 is connected to the switching value output board 1032, and the main control board 1031 outputs the dc voltage excitation signal output by the dc adjustable power supply 104 to the adaptation board 1051 through the switching value output board 1032 according to the timing control instruction. Meanwhile, an output terminal of the dc adjustable power supply 104 is connected to the temperature and humidity measurement and control board 109, and the temperature and humidity measurement and control board 109 collects a dc voltage excitation signal output by the dc adjustable power supply 104 through a corresponding channel.
The switching value output board 1032 is connected to the adaptation board 1051, and is responsible for transmitting the ac voltage excitation signal output by the relay protection tester 102 and/or the dc voltage excitation signal output by the dc adjustable power supply 104 to the corresponding input pin of the rectification control interface board 112.
The analog input board 1033, the distributed measurement and control board 1052 and the temperature and humidity measurement and control board 109 are acquisition control execution terminals of the test system. The analog input board 1033 is connected to the relay protection tester 102, and collects an output ac voltage excitation signal. The distributed measurement and control board 1052 is connected to the adaptation board 1051 and is responsible for locally collecting the conditioned response signal output by the rectification control interface board 112. The temperature and humidity measurement and control board 109 is connected to the dc adjustable power supply 104 and the switching power supply 108, and is responsible for collecting a dc voltage excitation signal output by the dc adjustable power supply 104 and a power signal output by the switching power supply 108.
In this embodiment, the main purpose is to test the dc voltage output function of the rectification control interface board 112, but it is necessary to ensure that the rectification control interface board 112 operates in a minimum function system in the AEGII system to test the dc voltage output function, so in this embodiment, an auxiliary test card rectification monitoring control board 113 is further included, and the test cards are connected through a gray row.
Referring to fig. 2 and the following table, the testing of the rectification control interface board 112 aims to detect whether the card functions normally, and the detection contents include:
the method comprises the steps that an alternating current input power supply is used as a power supply of the card, and whether power supplies of all grades of the card are normal is tested;
testing whether each grade power supply of the card is normal or not by taking a direct current input power supply as a power supply of the card;
and the AC input power supply and the DC input power supply are simultaneously used as power supply sources of the card, and whether the power supplies of all grades of the card are normal is tested.
First, the terminal blocks X11, X12 of the rectification monitor control board 113 are connected to the terminal blocks X11, X12 of the rectification control interface board 112, respectively. Before the formal start of the experiment, a 24V dc regulated power supply signal output by the switching power supply 108 is connected to the pin 1# of the adapter board 1051 through the channel CJ1 of the switching value output board 1032, so as to provide a working power supply for the adapter board 1051 and the distributed measurement and control board 1052. Meanwhile, the output signal of the switching power supply 108 is introduced into the temperature and humidity measurement and control board 109 and collected by the channel IO 5.
When test judgment is carried out, response signals output on pins X1(1, 13), X1(1, 14), X4(1, 4) and X4(2, 4) of the rectification control interface board 112 need to be collected to judge the functions of the card, and the response signals are collected locally by the distributed measurement and control board 1052 through channels AD6, AD7, AD8 and AD 11.
When the alternating current power supply test is carried out, an alternating current voltage excitation signal is provided by A, B, C three-phase voltage output by the relay protection tester 102, the relay protection tester 102 outputs three-phase alternating current voltage with the frequency of 50Hz and the phase difference of 120 degrees, the three-phase alternating current voltage is connected to the switching value output board 1032 after passing through a transformer with the transformation ratio of 100:220, and the time of connecting A, B, C three-phase alternating current voltage excitation signals with the amplitude of 130VAC to pins X3:1, X3:2 and X3:3 of the rectification control interface board 112 is controlled by channels CJ19, CJ21 and CJ23 of the switching value output board 1032 respectively. Meanwhile, acquisition is performed through channels IO1, IO2, IO3 of the analog input board 1033. When the channels CJ19, CJ21 and CJ23 of the switching value output board 1032 are closed, and the pins X3:1, X3:2 and X3:3 of the rectification control interface board 112 are respectively connected with 130VAC alternating current voltage excitation signals, if it is observed that the light emitting diodes V46, V15 and V17 arranged on the rectification control interface board 112 are lighted, and at the same time, the pins X1(1, 13) of the rectification control interface board 112, the pin X1(1, 14) outputs a 24V direct current voltage signal, the pin X4(1, 4) outputs 15VDC and the pin X4(2, 4) outputs-15 VDC, the function of the card is normal.
In the dc power supply test, the dc voltage excitation signal is provided by the dc adjustable power supply 104, the dc adjustable power supply 104 outputs 125V dc regulated power, and the channel CJ10 of the switching value output board 1032 controls the time of the dc regulated power supply to be connected to the pin X2:4 of the rectification control interface board 112, where the pin X2: and 5 is a negative electrode. When the channel CJ10 of the switching value output board 1032 is closed, the pins X2:4 of the rectification control interface board 112 are connected with 125VDC direct current voltage excitation signals, at this time, if it is observed that the light emitting diodes V46, V15 and V17 arranged on the rectification control interface board 112 are lighted, and at the same time, the pins X1(1, 13) and X1(1, 14) of the rectification control interface board 112 output 24V direct current voltage signals, the 15VDC output by the pins X4(1, 4) and the-15 VDC output by the pins X4(2, 4) are seen through the man-machine interface, it is indicated that the card functions are normal.
When an alternating current and direct current power supply simultaneous power supply test is carried out, firstly, a test system respectively accesses 130VAC alternating current voltage excitation to pins X3:1, X3:2 and X3:3 of a rectification control interface board 112 according to an alternating current power supply test process, at this time, light emitting diodes V46, V15 and V17 arranged on the rectification control interface board 112 are lightened, meanwhile, pins X1(1, 13) and X1(1, 14) can be seen to output 24V direct current voltage signals, pins X4(1, 4) output 15VDC, and pins X4(2, 4) output-15 VDC through a man-machine interaction interface. Then, under the condition of not cutting off the excitation of the alternating voltage, a 125VDC direct voltage excitation signal is connected to the pins X2:4 of the rectification control interface board 112, and at this time, the card functions normally when the light emitting conditions of the light emitting diodes V46, V15 and V17 and the output voltages of the pins of the rectification control interface board 112 are not changed.
After the alternating current and direct current voltage excitation signal is connected to the rectification control interface board 112, the rectification control interface board 112 can be kept in the working state for a long time, and the stability of the functions of the rectification control interface board 112 can be detected.
By implementing the technical scheme of the embodiment, the signal adding and collecting are automatically completed by the test system in the whole test process, and a user does not need to perform manual operation. Therefore, the whole testing process of the rectification control interface board 112 is simple and convenient to operate and safe to use, the automatic and intelligent testing of the rectification control interface board 112 is realized, the manual requirement is reduced, and the purposes of reducing personnel and improving efficiency can be realized.
Fig. 3 is a flowchart of a first embodiment of a testing method for a rectification control interface board of an uninterruptible power supply according to the present invention, where the testing method of the embodiment is used to test the rectification control interface board, and specifically includes the following steps:
s11, the front-end processor analyzes the test case information into an excitation configuration instruction, a channel configuration instruction, a time sequence control instruction and a signal acquisition instruction;
s12, outputting corresponding alternating current voltage excitation signals and direct current voltage excitation signals by the relay protection tester and the direct current adjustable power supply according to excitation configuration instructions issued by the front-end processor respectively;
s13, collecting temperature and humidity information by a temperature and humidity measurement and control board, and collecting the direct-current voltage excitation signal and a power supply signal output by a switching power supply according to a time sequence control instruction and a signal collection instruction issued by a front-end processor;
s14, the acquisition control device performs channel configuration according to a channel configuration instruction issued by the front-end processor, and accesses a power supply signal, an alternating voltage excitation signal and/or a direct voltage excitation signal to the acquisition adaptation device through corresponding channels according to a time sequence control instruction issued by the front-end processor; meanwhile, collecting the alternating voltage excitation signal according to a time sequence control instruction and a signal collection instruction issued by a front-end processor;
s15, conditioning an alternating voltage excitation signal and/or a direct voltage excitation signal by the acquisition adapter device, and inputting the conditioned alternating voltage excitation signal and/or the conditioned direct voltage excitation signal to the rectification control interface board; meanwhile, channel configuration is carried out according to a channel configuration instruction sent by the front-end processor, and response signals output by the power output ends of the levels of the rectification control interface board are collected according to a time sequence control instruction and a signal collection instruction sent by the front-end processor;
and S16, the front-end processor processes and stores the collected power supply signal, the alternating current voltage excitation signal and/or the direct current voltage excitation signal, the response signal and the temperature and humidity information.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. A test system for a rectification control interface board of an uninterruptible power supply is used for testing whether the power output of each grade of the rectification control interface board is normal or not, and the rectification control interface board is connected with a rectification monitoring control board through an ash bar, and is characterized by comprising: the system comprises a front-end processor, a relay protection tester, a direct-current adjustable power supply, a switching power supply, a temperature and humidity measurement and control board, an acquisition control device and an acquisition adapter device; wherein,
the front-end processor is used for analyzing the test case information into an excitation configuration instruction, a channel configuration instruction, a time sequence control instruction and a signal acquisition instruction, and respectively issuing the excitation configuration instruction, the channel configuration instruction, the time sequence control instruction and the signal acquisition instruction to the relay protection tester, the direct-current adjustable power supply, the acquisition control device and the acquisition adaptive device; the device is also used for processing and storing the collected power supply signal, the alternating voltage excitation signal and/or the direct voltage excitation signal, the response signal and the temperature and humidity information;
the relay protection tester is used for outputting a corresponding alternating voltage excitation signal according to an excitation configuration instruction issued by the front-end processor;
the direct-current adjustable power supply is used for outputting a corresponding direct-current voltage excitation signal according to an excitation configuration instruction issued by the front-end processor;
the switching power supply is used for outputting a power supply signal;
the temperature and humidity measurement and control board is used for collecting temperature and humidity information in real time and collecting a direct-current voltage excitation signal and a power supply signal according to a time sequence control instruction and a signal collection instruction issued by the front-end processor;
the acquisition control device is used for carrying out channel configuration according to a channel configuration instruction issued by the front-end processor and accessing a power supply signal, an alternating voltage excitation signal and/or a direct voltage excitation signal to the acquisition adaptation device through corresponding channels according to a time sequence control instruction issued by the front-end processor; the alternating current voltage excitation signal acquisition module is also used for acquiring an alternating current voltage excitation signal according to a time sequence control instruction and a signal acquisition instruction issued by the front-end processor;
the acquisition adapting device is used for conditioning an alternating voltage excitation signal and/or a direct voltage excitation signal and inputting the conditioned alternating voltage excitation signal and/or the conditioned direct voltage excitation signal to the rectification control interface board; and the system is also used for carrying out channel configuration according to a channel configuration instruction sent by the front-end processor and collecting response signals output by the power output ends of all levels of the rectification control interface board according to a time sequence control instruction and a signal collection instruction sent by the front-end processor.
2. The system of claim 1, wherein the collection control device comprises a main control board, a switching value output board, and an analog input board, wherein,
the main control board is used for configuring corresponding channels of the switching value output board and the analog input board according to a channel configuration instruction issued by the front-end processor and transmitting the collected alternating voltage excitation signal to the front-end processor;
the switching value output board is connected with the relay protection tester, the direct-current adjustable power supply and the switching power supply and is used for connecting a power supply signal, an alternating-current voltage excitation signal and/or a direct-current voltage excitation signal to the acquisition adapting device through corresponding channels according to a time sequence control instruction issued by the front-end processor under the control of the main control board;
and the analog input board is connected with the relay protection tester and is used for acquiring the alternating voltage excitation signal according to the time sequence control command and the signal acquisition command issued by the front-end processor under the control of the main control board.
3. The system of claim 1, wherein the adapter device comprises an adapter board and a distributed test and control board, wherein,
the adapter board is connected with the rectification control interface board and is used for conditioning the alternating voltage excitation signal and/or the direct voltage excitation signal and sending the conditioned alternating voltage excitation signal and/or the conditioned direct voltage excitation signal into the rectification control interface board; the system is also used for conditioning response signals output by the power output ends of all levels of the rectification control interface board;
and the distributed measurement and control board is connected with the adapter board and is used for carrying out channel configuration according to the channel configuration instruction sent by the front-end processor and collecting the conditioned response signal according to the time sequence control instruction and the signal collection instruction sent by the front-end processor.
4. The system of claim 1, further comprising a cabinet, wherein the cabinet comprises a plurality of partitions, and the partitions respectively and independently accommodate the front-end processor, the dc adjustable power supply, the temperature and humidity measurement and control board, the collection control device, and the collection adapter device.
5. The system for testing a rectifying control interface board of an uninterruptible power supply of claim 4, further comprising:
a fan mounted on the top of the cabinet;
and the warm air blower is installed below the cabinet.
6. The system for testing a rectification control interface board of an uninterruptible power supply as claimed in claim 5,
the front-end processor is also used for analyzing the test case information into a temperature and humidity configuration instruction and sending the temperature and humidity configuration instruction to the temperature and humidity measurement and control board;
and the temperature and humidity measurement and control board is also used for carrying out closed-loop control on the operation of the fan and the heater according to the temperature and humidity configuration instruction.
7. The system for testing a rectifying control interface board of an uninterruptible power supply of claim 1, further comprising: the switch is used for providing a plurality of data transmission channels, and the front-end processor transmits information through the switch by adopting a unified Ethernet communication protocol with the relay protection tester, the direct-current adjustable power supply, the acquisition control device, the acquisition adapting device and the temperature and humidity measurement and control board.
8. A test system for a commutation control interface board of an uninterruptible power supply as claimed in any one of claims 1 to 7, further comprising:
the human-computer interaction terminal is used for receiving test case information configured by a tester and receiving call information of the tester to a test case; the device is also used for processing the power supply signal, the alternating voltage excitation signal and/or the direct voltage excitation signal and the response signal in the experimental process and displaying the power supply signal, the alternating voltage excitation signal and/or the direct voltage excitation signal, the response signal and the processing result information.
9. The system for testing a rectifying control interface board of an uninterruptible power supply of claim 8, further comprising:
and the server is used for storing the test case information, the power supply signal, the alternating current voltage excitation signal and/or the direct current voltage excitation signal and the response signal in the experimental process and carrying out data and program interaction with the human-computer interaction terminal and the front-end processor.
10. A testing method for a rectification control interface board of an uninterruptible power supply is characterized by comprising the following steps:
the front-end processor analyzes the test case information into an excitation configuration instruction, a channel configuration instruction, a time sequence control instruction and a signal acquisition instruction;
the relay protection tester and the direct-current adjustable power supply respectively output corresponding alternating-current voltage excitation signals and direct-current voltage excitation signals according to excitation configuration instructions issued by the front-end processor;
the temperature and humidity measurement and control board collects temperature and humidity information and collects direct-current voltage excitation signals and power signals output by the switching power supply according to a time sequence control instruction and a signal collection instruction issued by the front-end processor;
the acquisition control device carries out channel configuration according to a channel configuration instruction issued by the front-end processor, and accesses a power supply signal, an alternating voltage excitation signal and/or a direct voltage excitation signal to the acquisition adaptation device through corresponding channels according to a time sequence control instruction issued by the front-end processor; meanwhile, collecting the alternating voltage excitation signal according to a time sequence control instruction and a signal collection instruction issued by a front-end processor;
the acquisition adapting device conditions the alternating voltage excitation signal and/or the direct voltage excitation signal and inputs the signals to the rectification control interface board; meanwhile, channel configuration is carried out according to a channel configuration instruction sent by the front-end processor, and response signals output by the power output ends of all levels of the rectification control interface board are collected according to a time sequence control instruction and a signal collection instruction sent by the front-end processor;
the front-end processor processes and stores the collected power supply signal, alternating current voltage excitation signal and/or direct current voltage excitation signal, response signal and temperature and humidity information.
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| CN201610075785.8A CN105738729A (en) | 2016-02-03 | 2016-02-03 | Uninterruptible power supply rectification control interface board test system and method |
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| CN201610075785.8A CN105738729A (en) | 2016-02-03 | 2016-02-03 | Uninterruptible power supply rectification control interface board test system and method |
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| CN113281639A (en) * | 2021-06-30 | 2021-08-20 | 北京奥特维科技有限公司 | Board card testing device, system and method |
| CN113552857A (en) * | 2021-07-20 | 2021-10-26 | 中国电力科学研究院有限公司 | Automatic excitation detection method and system in autonomous controllable intelligent substation |
| CN114384959A (en) * | 2022-01-13 | 2022-04-22 | 北京全路通信信号研究设计院集团有限公司 | Voltage output driving circuit and device |
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