CN113049981B - Automatic testing method for fire-fighting power supply - Google Patents
Automatic testing method for fire-fighting power supply Download PDFInfo
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- CN113049981B CN113049981B CN202110312471.6A CN202110312471A CN113049981B CN 113049981 B CN113049981 B CN 113049981B CN 202110312471 A CN202110312471 A CN 202110312471A CN 113049981 B CN113049981 B CN 113049981B
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- 238000012360 testing method Methods 0.000 title claims abstract description 97
- 238000006243 chemical reaction Methods 0.000 claims abstract description 19
- 230000005611 electricity Effects 0.000 claims abstract description 8
- 238000007599 discharging Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 20
- 238000004891 communication Methods 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 description 11
- 238000010998 test method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000005259 measurement Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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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
- G01R31/40—Testing power supplies
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/28—Provision in measuring instruments for reference values, e.g. standard voltage, standard waveform
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0084—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring voltage only
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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
- G01R31/40—Testing power supplies
- G01R31/42—AC power supplies
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- Stand-By Power Supply Arrangements (AREA)
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Abstract
The invention relates to a testing method for testing the main electricity-standby electricity conversion performance of a fire-fighting power supply, which comprises the following steps of: the programmable alternating current variable frequency power supply inputs rated alternating current to the fire power supply; step 2B: discharging the programmable direct current electronic load according to a preset load current value; step 3B: the programmable direct current stabilized power supply inputs rated direct current to the fire-fighting power supply; step 4B: stopping the output of the programmable alternating current variable frequency power supply; step 5B: collecting an output voltage value of an output end of a fire-fighting power supply; step 6B: comparing the output voltage value with a preset voltage lower limit value and a preset voltage upper limit value, and if the output voltage value is between the voltage lower limit value and the voltage upper limit value, continuing to execute the step 7B; step 7B: the programmable alternating current variable frequency power supply inputs rated alternating current to the fire-fighting power supply, judges whether the primary and standby power conversion times are up to the preset primary and standby power conversion times standard after adding 1, and returns to execute the step 4B if the primary and standby power conversion times are not up to the preset primary and standby power conversion times standard; not only has low requirements on personnel, but also has high efficiency.
Description
The application relates to a split application of a parent application of which the patent application number is 201910695361.5, the application date is 2019, 7 and 30, and the application and the creation name are an automatic fire-fighting power supply testing system and a method.
Technical Field
The invention relates to the technical field of fire-fighting power supplies, in particular to an automatic fire-fighting power supply testing method.
Background
The fire-fighting power supply is a conversion device capable of converting alternating current into direct current and generally comprises a transformation rectifying module, a power management module, a storage battery module, a battery management module, a working state indicating module, a power supply switching automatic control switch and other modules, wherein when mains supply input is normal, the mains supply supplies power to a direct current load through the fire-fighting power supply, and when the mains supply input is abnormal, the fire-fighting power supply utilizes the battery management module to control the storage battery module to supply power to the direct current load.
In order to know the performance of the fire-fighting power supply, the fire-fighting power supply needs to be tested, but at present, the test equipment is manually adjusted and test data are recorded, so that the requirements on personnel are high, the error rate is high, and the test efficiency is low.
Disclosure of Invention
The invention aims to solve the technical problem of providing an automatic testing method for a fire-fighting power supply aiming at the defects in the prior art.
The technical scheme adopted for solving the technical problems is as follows:
on one hand, an automatic fire-fighting power supply testing system is provided, wherein the automatic fire-fighting power supply testing system comprises an industrial computer, a programmable alternating-current variable-frequency power supply, a programmable direct-current electronic load, a programmable direct-current stabilized power supply and a state display device;
The programmable alternating current variable frequency power supply is in communication connection with the industrial computer and is electrically connected with the main electric input end of the fire-fighting power supply; the programmable direct current electronic load is in communication connection with the industrial computer and is electrically connected with the output end of the fire-fighting power supply; the programmable direct current stabilized power supply is in communication connection with the industrial computer and is electrically connected with the standby power input end of the fire-fighting power supply; the state display device is electrically connected with the state indication port of the fire-fighting power supply;
The industrial computer is used for respectively sending a first control signal, a second control signal and a third control signal to the programmable alternating current variable frequency power supply, the programmable direct current electronic load and the programmable direct current stabilized voltage power supply; the programmable alternating current variable frequency power supply is used for outputting alternating current according to a first control signal; the programmable direct current electronic load is used for discharging according to a second control signal; the programmable direct current stabilized power supply is used for outputting direct current according to a third control signal; the state display device is used for displaying the working state of the fire-fighting power supply in real time according to the state signal sent by the fire-fighting power supply;
The industrial computer is also used for acquiring one or more of output end data, main electric input end data and standby electric input end data of the fire-fighting power supply, acquiring display information of the state display device, acquiring a test result according to one or more of the output end data, the main electric input end data, the standby electric input end data and the display information and a preset rule, and outputting one or more of the output end data, the main electric input end data, the standby electric input end data and the test result.
On the other hand, the automatic testing method of the fire-fighting power supply is provided, and the automatic testing system of the fire-fighting power supply is based on the automatic testing system of the fire-fighting power supply, wherein the automatic testing method is used for testing one or more of output voltage regulation performance, output voltage precision, output voltage stability, load voltage stability, power and efficiency, starting voltage, main electricity-to-standby electricity conversion performance and state signal output performance of the fire-fighting power supply.
The invention relates to an automatic testing method of a fire-fighting power supply, which is used for testing the output voltage regulation performance of the fire-fighting power supply and comprises the following steps:
The industrial computer controls the programmable alternating current variable frequency power supply to input rated alternating current to the fire-fighting power supply;
after the output voltage of the fire-fighting power supply is regulated to the minimum value by utilizing the regulating knob of the fire-fighting power supply, the industrial computer collects the output voltage value of the fire-fighting power supply, namely the minimum output voltage value;
after the output voltage of the fire-fighting power supply is regulated to the maximum value by utilizing the regulating knob of the fire-fighting power supply, the industrial computer acquires the output voltage value of the fire-fighting power supply, namely the maximum output voltage value;
the industrial computer correspondingly outputs the minimum output voltage value and the maximum output voltage value.
The invention relates to an automatic testing method of a fire-fighting power supply, which is used for testing the accuracy of the output voltage of the fire-fighting power supply and comprises the following steps:
The industrial computer controls the programmable direct current electronic load to initialize, and the fire-fighting power supply is empty;
After the industrial computer controls the programmable alternating current variable frequency power supply to input alternating current to the fire-fighting power supply, the industrial computer collects the output voltage value of the fire-fighting power supply, namely the no-load voltage value;
the industrial computer controls the programmable direct current electronic load to discharge according to the preset half-load current value, the fire-fighting power supply is half-loaded, and then the industrial computer collects the output voltage value of the fire-fighting power supply, namely the half-load voltage value, and the output voltage value is the half-load voltage value according to a formula I Calculating the half-load output voltage precision, wherein in the formula I,/>Representing half-load output voltage accuracy,/>Representing no-load voltage value,/>Representing a half-load voltage value;
The industrial computer controls the programmable direct current electronic load to discharge according to the preset full load current value, the fire-fighting power supply is fully loaded, and then the industrial computer collects the output voltage value of the fire-fighting power supply, namely the full load voltage value, and the output voltage value is the full load voltage value according to a formula II Calculating the full-load output voltage precision, wherein in the formula II,/>Representing full load output voltage accuracy,/>Representing no-load voltage value,/>Representing a full load voltage value;
the industrial computer correspondingly outputs the no-load voltage value, the half-load output voltage precision, the full-load voltage value and the full-load output voltage precision.
The invention relates to an automatic testing method of a fire-fighting power supply, which comprises the following steps of:
The industrial computer controls the programmable direct current electronic load to discharge according to a preset full-load current value, and the fire-fighting power supply is full-load;
After the industrial computer controls the programmable alternating current variable frequency power supply to input rated alternating current to the fire-fighting power supply, acquiring the output voltage value of the fire-fighting power supply, namely the rated output voltage value;
The industrial computer controls the programmable alternating current variable frequency power supply to sequentially input a plurality of different non-rated alternating currents to the fire-fighting power supply, wherein the voltage value of the non-rated alternating currents is within a preset voltage value range and is not equal to the rated voltage value, and the frequency value is within a preset frequency value range and is not equal to the rated frequency value;
The industrial computer collects a plurality of non-rated output voltage values of the fire-fighting power supply, which correspond to a plurality of non-rated alternating currents one by one, and according to the rated output voltage values, the plurality of non-rated output voltage values and a formula III Obtaining a plurality of output voltage stability, wherein in the formula III,/>Representing the output voltage stability,/>Representing the rated output voltage value,/>Representing a non-nominal output voltage value;
the industrial computer correspondingly outputs the rated output voltage value, the plurality of non-rated output voltage values and the plurality of output voltage stability.
The invention relates to an automatic testing method of a fire-fighting power supply, which comprises the following steps of:
The industrial computer controls the programmable direct current electronic load to initialize, and the fire-fighting power supply is empty;
After the industrial computer controls the programmable alternating current variable frequency power supply to input rated alternating current to the fire-fighting power supply, acquiring the output voltage value of the fire-fighting power supply, namely, the no-load voltage value;
the industrial computer controls the programmable direct current electronic load to discharge according to a plurality of preset different load current values in sequence;
The industrial computer collects a plurality of output voltage values corresponding to the load current values one by one of the fire-fighting power supply, and according to the no-load voltage value, the plurality of output voltage values and the formula IV Obtaining a plurality of load voltage stability, wherein in the formula IV,/>Representing the load voltage stability,/>Representing no-load voltage value,/>Representing an output voltage value;
The industrial computer correspondingly outputs the no-load voltage value, the plurality of output voltage values and the plurality of load voltage stability.
The invention relates to an automatic testing method of a fire-fighting power supply, which comprises the following steps of:
The industrial computer controls the programmable alternating current variable frequency power supply to input rated alternating current to the fire-fighting power supply;
the industrial computer controls the programmable direct current electronic load to discharge according to a plurality of preset different load current values in sequence;
The industrial computer acquires a plurality of output voltage values and a plurality of output current values of the fire-fighting power supply, wherein the output voltage values and the output current values correspond to the load current values one by one;
the industrial computer obtains a plurality of output power values corresponding to the load current values one by one of the fire-fighting power supply, and the method is according to a formula five Obtaining output power value, in formula five,/>Representing the output power value,/>Representing the output voltage value,/>Representing an output current value;
The industrial computer collects a plurality of input power values of the fire-fighting power supply, which correspond to the load current values one by one;
the industrial computer obtains a plurality of efficiency values corresponding to the load current values one by one of the fire-fighting power supply, and the method is based on a formula six Obtaining efficiency value, in formula six,/>Representing efficiency value,/>Representing the output power value,/>Representing an input power value;
The industrial computer correspondingly outputs a plurality of load current values, a plurality of output voltage values, a plurality of output current values, a plurality of output power values, a plurality of input power values and a plurality of efficiency values.
The invention relates to a fire-fighting power supply automatic test method, wherein the method for testing the starting voltage of the fire-fighting power supply comprises the following steps:
step 1A: the industrial computer controls the programmable direct current electronic load to initialize, and the fire-fighting power supply is empty;
Step 2A: the industrial computer controls the programmable alternating current variable frequency power supply to input alternating current to the fire-fighting power supply, wherein the voltage value of the alternating current is a preset starting voltage value, namely, the main power input voltage value is a preset starting voltage value;
step 3A: the industrial computer collects the output voltage value of the fire-fighting power supply;
Step 4A: the industrial computer compares the output voltage value with a preset standard voltage value, if the output voltage value is not smaller than the standard voltage value, the fire-fighting power supply is judged to be started, the main power input voltage value at the moment is the starting voltage value, the main power input voltage value, the output voltage value and the starting voltage value are output, and if not, the step 5A is executed.
Step 5A: after the industrial computer controls the programmable alternating current variable frequency power supply to input new alternating current to the fire power supply, the step 3A is executed in a return mode, wherein the voltage value of the new alternating current is the voltage value of the last alternating current plus a preset voltage interval value, namely, the new main electric input voltage value is the voltage value of the last main electric input voltage plus the preset voltage interval value;
Step 6A: and (3) after the industrial computer controls the programmable direct current electronic load to discharge according to a preset load current value so that the fire-fighting power supply belt runs, repeating the steps (2A) to (5A).
The invention relates to an automatic testing method of a fire-fighting power supply, which is used for testing the main electricity-standby electricity conversion performance of the fire-fighting power supply and comprises the following steps:
Step 1B: the industrial computer controls the programmable alternating current variable frequency power supply to input rated alternating current to the fire-fighting power supply;
Step 2B: the industrial computer controls the programmable direct current electronic load to discharge according to a preset load current value;
step 3B: the industrial computer controls the programmable direct current stabilized power supply to input rated direct current to the fire-fighting power supply;
Step 4B: the industrial computer controls the programmable alternating current variable frequency power supply to stop outputting, and the fire-fighting power supply is converted into standby power supply from main power supply;
step 5B: the industrial computer collects the output voltage value of the output end of the fire-fighting power supply;
step 6B: the industrial computer compares the output voltage value with a preset voltage lower limit value and a preset voltage upper limit value, if the output voltage value is between the voltage lower limit value and the voltage upper limit value, the fire-fighting power supply is judged to be switched from the main power supply to the standby power supply to work normally, the step 7B is continuously executed, and otherwise, the fault is reported and the test is stopped;
Step 7B: the industrial computer controls the programmable alternating current variable frequency power supply to input rated alternating current to the fire-fighting power supply, the fire-fighting power supply is converted into main power supply from standby power supply, after the main power supply and the standby power supply are added by 1, whether the main power supply and the standby power supply reach the preset main power supply and standby power supply conversion frequency standard is judged, if the main power supply and the standby power supply reach the preset main power supply and standby power supply conversion frequency standard, the test is completed, and if the main power supply and the standby power supply do not reach the preset main power supply and standby power supply conversion frequency standard, the step 4B is executed.
The invention relates to a fire-fighting power supply automatic test method, which comprises the following steps of:
Step 1C: the industrial computer controls the programmable direct current stabilized power supply to input rated direct current to the fire-fighting power supply;
Step 2C: after the industrial computer controls the programmable alternating current variable frequency power supply to input rated alternating current to the fire-fighting power supply, display information of the state display device is obtained, whether the main power working state signal output is correct or not is judged according to the display information, if so, the step 3C is continuously executed, and if not, errors are reported and the test is stopped;
step 3C: after the industrial computer controls the programmable alternating current variable frequency power supply to input the undervoltage alternating current to the fire power supply, acquiring display information of the state display device, judging whether the signal output of the undervoltage state of the main power supply is correct according to the display information, if so, continuing to execute the step 4C, otherwise, reporting errors and stopping the test;
Step 4C: after the industrial computer controls the programmable alternating current variable frequency power supply to input fault alternating current to the fire power supply, display information of the state display device is obtained, whether the main power fault state signal output is correct or not is judged according to the display information, if so, the step 5C is continuously executed, and if not, errors are reported and the test is stopped;
step 5C: acquiring display information of a state display device, judging whether the standby power working state signal output is correct according to the display information, if so, continuing to execute the step 6C, otherwise, reporting errors and stopping the test;
step 6C: after the industrial computer controls the programmable direct-current stabilized power supply to input the undervoltage direct current to the fire-fighting power supply, acquiring display information of the state display device, judging whether the signal output of the standby power undervoltage state is correct according to the display information, if so, continuing to execute the step 7C, otherwise, reporting errors and stopping the test;
step 7C: after the industrial computer controls the programmable alternating current variable frequency power supply to input rated alternating current to the fire-fighting power supply and controls the programmable direct current stabilized voltage power supply to input fault direct current to the fire-fighting power supply, display information of the state display device is obtained, whether the output of the standby power fault state signal is correct or not is judged according to the display information, if so, the step 8C is continuously executed, otherwise, errors are reported and the test is stopped;
step 8C: after the industrial computer controls the programmable direct current stabilized power supply to input the under-voltage direct current to the fire power supply, the display information of the state display device is obtained, whether the output of the standby power charging state signal is correct or not is judged according to the display information, and if the output is incorrect, the fault is reported.
The invention has the beneficial effects that: the industrial computer is utilized to automatically adjust the programmable alternating current variable frequency power supply, the programmable direct current electronic load and the programmable direct current stabilized voltage power supply, so that the requirements on personnel are low and the efficiency is high; the industrial computer is used for collecting and outputting the data in the test process, so that the error rate is low and the efficiency is high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, in which the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained by those skilled in the art without inventive effort:
FIG. 1 is a schematic diagram of an automated fire power test system according to a preferred embodiment of the present invention;
FIG. 2 is a flow chart of an automated testing method of fire power supply (for testing the main power to standby power conversion performance of the fire power supply) according to a preferred embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the following description will be made in detail with reference to the technical solutions in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by a person skilled in the art without any inventive effort, are intended to be within the scope of the present invention, based on the embodiments of the present invention.
The structural schematic diagram of the fire-fighting power supply automatic test system according to the preferred embodiment of the invention is shown in figure 1,
The system comprises an industrial computer 1, a programmable alternating current variable frequency power supply 4, a programmable direct current electronic load 2, a programmable direct current stabilized voltage power supply 3 and a state display device 6;
the programmable alternating current variable frequency power supply 4 is in communication connection with the industrial computer 1 and is electrically connected with the main electric input end of the fire-fighting power supply 5; the programmable direct current electronic load 2 is in communication connection with the industrial computer 1 and is electrically connected with the output end of the fire-fighting power supply 5; the programmable direct current stabilized power supply 3 is in communication connection with the industrial computer 1 and is electrically connected with the standby power input end of the fire-fighting power supply 5; the state display device 6 is electrically connected with a state indication port of the fire-fighting power supply 5;
the industrial computer 1 is used for respectively sending a first control signal, a second control signal and a third control signal to the programmable alternating current variable frequency power supply 4, the programmable direct current electronic load 2 and the programmable direct current stabilized voltage power supply 3; the programmable alternating current variable frequency power supply 4 is used for outputting alternating current according to a first control signal; the programmable direct current electronic load 2 is used for discharging according to a second control signal; the programmable direct current stabilized power supply 3 is used for outputting direct current according to a third control signal; the state display device 6 is used for displaying the working state of the fire-fighting power supply 5 in real time according to the state signal sent by the fire-fighting power supply 5;
The industrial computer 1 is further configured to collect one or more of output end data, main power input end data, and standby power input end data of the fire-fighting power supply 5, obtain display information of the status display device 6, obtain a test result according to one or more of the output end data, the main power input end data, the standby power input end data, and the display information, and a preset rule, and output one or more of the output end data, the main power input end data, the standby power input end data, and the test result; the industrial computer 1 is utilized to automatically adjust the programmable alternating current variable frequency power supply 4, the programmable direct current electronic load 2 and the programmable direct current stabilized voltage power supply 3, so that the requirements on personnel are low and the efficiency is high; the industrial computer 1 is utilized to collect and output data in the test process, so that the error rate is low and the efficiency is high.
It should be noted that, the industrial computer 1 may directly display one or more of the output end data, the main power input end data, the standby power input end data and the test result on the display of the industrial computer 1, and may also generate one or more test reports recorded with the output end data, the main power input end data, the standby power input end data and the test result, so as to generate the test report.
Preferably, the type of the programmable alternating current variable frequency power supply 4 is PS6001T, the type of the programmable direct current electronic load 2 is ARRAY3711A, and the type of the programmable direct current stabilized voltage power supply 3 is Agilent 6032A.
The fire-fighting power supply automatic test method of the preferred embodiment of the invention is used for testing one or more of output voltage regulation performance, output voltage precision, output voltage stability, load voltage stability, power and efficiency, starting voltage, main power-backup power conversion performance and status signal output of the fire-fighting power supply 5.
As shown in fig. 1, the method for testing the output voltage regulation performance of the fire-fighting power supply 5 comprises the following steps:
the industrial computer 5 controls the programmable alternating current variable frequency power supply 4 to input rated alternating current to the fire-fighting power supply 5;
After the output voltage of the fire-fighting power supply 5 is regulated to the minimum value by utilizing the regulating knob of the fire-fighting power supply 5, the industrial computer 1 collects the output voltage value of the fire-fighting power supply 5, namely the minimum output voltage value;
after the output voltage of the fire-fighting power supply 5 is regulated to the maximum value by utilizing the regulating knob of the fire-fighting power supply 5, the industrial computer 1 collects the output voltage value of the fire-fighting power supply 5, namely the maximum output voltage value;
The industrial computer 1 outputs a minimum output voltage value and a maximum output voltage value.
Preferably, the output voltage of the fire-fighting power supply 5 is regulated by manually rotating the regulating knob of the fire-fighting power supply 5, and before regulation, the industrial computer 1 can send out prompt information to prompt a worker to rotate the regulating knob so as to regulate the output voltage of the fire-fighting power supply 5 to the minimum value or the maximum value, thereby improving the efficiency and avoiding missing measurement.
As shown in fig. 1, the method for testing the accuracy of the output voltage of the fire-fighting power supply 5 comprises the following steps:
The industrial computer 1 controls the programmable direct current electronic load 2 to initialize, and the fire-fighting power supply 5 is empty;
After the industrial computer 1 controls the programmable alternating current variable frequency power supply 4 to input alternating current to the fire-fighting power supply 5, the industrial computer 1 collects the output voltage value of the fire-fighting power supply 5, namely, the no-load voltage value;
the industrial computer 1 controls the programmable direct current electronic load 2 to discharge according to a preset half-load current value, the fire-fighting power supply 5 is half-loaded, and then the industrial computer 1 collects the output voltage value of the fire-fighting power supply 5, namely the half-load voltage value, and the output voltage value is calculated according to a formula I Calculating the half-load output voltage precision, wherein in the formula I,/>Representing half-load output voltage accuracy,/>Representing no-load voltage value,/>Representing a half-load voltage value;
The industrial computer 1 controls the programmable direct current electronic load 2 to discharge according to a preset full load current value, the fire-fighting power supply 5 is fully loaded, and then the industrial computer 1 collects the output voltage value of the fire-fighting power supply 5, namely the full load voltage value, and the output voltage value is the full load voltage value according to a formula II Calculating the full-load output voltage precision, wherein in the formula II,/>Representing full load output voltage accuracy,/>Representing no-load voltage value,/>Representing a full load voltage value;
the industrial computer 1 outputs the no-load voltage value, the half-load output voltage precision, the full-load voltage value and the full-load output voltage precision correspondingly.
After the half-load output voltage precision and the full-load output voltage precision are measured, the half-load output voltage precision and the full-load output voltage precision can be respectively compared with the qualified precision value range, and if the half-load output voltage precision and the full-load output voltage precision fall into the qualified precision value range, the output voltage precision index of the fire-fighting power supply is qualified.
Preferably, the alternating current has a voltage of 220V, a frequency of 50Hz, a half-load current value of 3000mA and a full-load current value of 6000mA.
As shown in fig. 1, the method for testing the stability of the output voltage of the fire-fighting power supply 5 comprises the following steps:
the industrial computer 1 controls the programmable direct current electronic load 2 to discharge according to a preset full-load current value, and the fire-fighting power supply 5 is fully loaded;
After the industrial computer 1 controls the programmable alternating current variable frequency power supply 4 to input rated alternating current to the fire-fighting power supply 5, acquiring the output voltage value of the fire-fighting power supply 5, namely the rated output voltage value;
The industrial computer 1 controls the programmable alternating current variable frequency power supply 4 to sequentially input a plurality of different non-rated alternating currents to the fire-fighting power supply 5, wherein the voltage value of the non-rated alternating current is within a preset voltage value range and is not equal to the rated voltage value, and the frequency value is within a preset frequency value range and is not equal to the rated frequency value;
the industrial computer 1 collects a plurality of non-rated output voltage values of the fire-fighting power supply 5 corresponding to a plurality of non-rated alternating currents one by one, and according to the rated output voltage values, the plurality of non-rated output voltage values and a formula III Obtaining a plurality of output voltage stability, wherein in the formula III,/>Representing the output voltage stability,/>Representing the rated output voltage value,/>Representing a non-nominal output voltage value;
the industrial computer 1 outputs a rated output voltage value, a plurality of non-rated output voltage values, and a plurality of output voltage stabilities in correspondence.
After the plurality of output voltage stability is measured, the plurality of output voltage stability can be respectively compared with the qualified output voltage stability range, and if the plurality of output voltage stability falls into the qualified output voltage stability range, the output voltage stability index of the fire-fighting power supply is qualified.
Preferably, the full-load current value is 6000mA, the voltage of rated alternating current is 220V, the frequency is 50Hz, and the preset voltage value range is as follows: 170V-275V, the range of the preset frequency value is: 47Hz-63Hz, and a plurality of non-rated alternating currents are respectively: 170V/47Hz, 170V/63Hz, 275V/47Hz and 275V/63Hz.
As shown in fig. 1, the method for testing the stability of the load voltage of the fire-fighting power supply 5 comprises the following steps:
The industrial computer 1 controls the programmable direct current electronic load 2 to initialize, and the fire-fighting power supply 5 is empty;
After the industrial computer 1 controls the programmable alternating current variable frequency power supply 4 to input rated alternating current to the fire-fighting power supply 5, the output voltage value of the fire-fighting power supply 5 is acquired, namely, the no-load voltage value;
The industrial computer 1 controls the programmable direct current electronic load 2 to discharge according to a plurality of preset different load current values in sequence;
The industrial computer 1 collects a plurality of output voltage values of the fire-fighting power supply 5 corresponding to the load current values one by one, and according to the no-load voltage value, the output voltage values and the formula IV Obtaining a plurality of load voltage stability, wherein in the formula IV,/>Representing the load voltage stability,/>Representing no-load voltage value,/>Representing an output voltage value;
The industrial computer 1 outputs the no-load voltage value, the plurality of output voltage values, and the plurality of load voltage stabilities in correspondence.
After the plurality of load voltage stability is measured, the plurality of load voltage stability can be respectively compared with the qualified load voltage stability range, and if the plurality of load voltage stability falls into the qualified load voltage stability range, the index of the load voltage stability of the fire-fighting power supply is qualified.
Preferably, the voltage of the rated alternating current is 220V, the frequency is 50Hz, and the values of a plurality of load currents are respectively as follows: 3000mA and 6000mA.
As shown in fig. 1, the method for testing the power and efficiency of the fire-fighting power supply 5 comprises the following steps:
the industrial computer 1 controls the programmable alternating current variable frequency power supply 4 to input rated alternating current to the fire-fighting power supply 5;
The industrial computer 1 controls the programmable direct current electronic load 2 to discharge according to a plurality of preset different load current values in sequence;
The industrial computer 1 collects a plurality of output voltage values and a plurality of output current values of the fire-fighting power supply 5, which are in one-to-one correspondence with the plurality of load current values;
The industrial computer 1 obtains a plurality of output power values corresponding to a plurality of load current values one by one of the fire-fighting power supply 5, and the method is according to a formula five Obtaining output power value, in formula five,/>Representing the output power value,/>Representing the value of the output voltage,Representing an output current value;
The industrial computer 1 collects a plurality of input power values of the fire-fighting power supply 5, which correspond to the load current values one by one;
The industrial computer 1 obtains a plurality of efficiency values of the fire-fighting power supply 5 corresponding to the load current values one by one, and the method is based on a formula six Obtaining efficiency value, in formula six,/>Representing efficiency value,/>Representing the output power value,/>Representing an input power value;
the industrial computer 1 outputs a plurality of load current values, a plurality of output voltage values, a plurality of output current values, a plurality of output power values, a plurality of input power values, and a plurality of efficiency values, respectively.
And after the efficiency values are measured, the efficiency values can be respectively compared with the qualified efficiency values, and if the efficiency values are not smaller than the qualified efficiency values, the efficiency index of the fire-fighting power supply is qualified.
Preferably, the rated ac voltage is 220V, the frequency is 50Hz, and the plurality of load current values are 1500mA, 3000mA, 4500mA and 6000mA, respectively.
As shown in fig. 1, the method for testing the starting voltage of the fire-fighting power supply comprises the following steps:
Step 1A: the industrial computer 1 controls the programmable direct current electronic load 2 to initialize, and the fire-fighting power supply 5 is empty;
Step 2A: the industrial computer 1 controls the programmable alternating current variable frequency power supply 4 to input alternating current to the fire-fighting power supply 5, wherein the voltage value of the alternating current is a preset starting voltage value, namely, the main power input voltage value is a preset starting voltage value;
Step 3A: the industrial computer 1 collects the output voltage value of the fire-fighting power supply 5;
Step 4A: the industrial computer 1 compares the output voltage value with a preset standard voltage value, if the output voltage value is not smaller than the standard voltage value, the fire-fighting power supply 5 is judged to be started, the main power input voltage value at the moment is the starting voltage value, the main power input voltage value, the output voltage value and the starting voltage value are output, and if not, the step 5A is executed.
Step 5A: after the industrial computer 1 controls the programmable alternating current variable frequency power supply 4 to input new alternating current to the fire protection power supply 5, the step 3A is executed in a return mode, wherein the voltage value of the new alternating current is the voltage value of the last alternating current plus a preset voltage interval value, namely, the new main electric input voltage value is the voltage value of the last main electric input plus the preset voltage interval value;
step 6A: and after the industrial computer 1 controls the programmable direct current electronic load 2 to discharge according to a preset load current value to enable the fire-fighting power supply 5 to carry out, repeating the steps 2A-5A.
After the two starting voltage values are measured, the starting voltage values can be respectively compared with the qualified starting voltage values, and if the two starting voltage values are not larger than the qualified starting voltage values, the starting voltage index of the fire-fighting power supply is qualified.
Preferably, the starting voltage is 60V, the standard voltage is 27100mV, the voltage interval is 1V, and the load current is 6000mA.
As shown in fig. 1 and 2, the method for testing the main electricity-to-standby electricity conversion performance of the fire-fighting power supply comprises the following steps:
Step S01: the industrial computer 1 controls the programmable alternating current variable frequency power supply 4 to input rated alternating current to the fire-fighting power supply 5;
step S02: the industrial computer 1 controls the programmable direct current electronic load 2 to discharge according to a preset load current value;
step S03: the industrial computer 1 controls the programmable direct current stabilized power supply 3 to input rated direct current to the fire-fighting power supply 5;
Step S04: the industrial computer 1 controls the programmable alternating current variable frequency power supply 4 to stop outputting, and the fire protection power supply 5 is converted into standby power supply from main power supply;
step S05: the industrial computer 1 collects the output voltage value of the output end of the fire-fighting power supply 5;
Step S06: the industrial computer 1 compares the output voltage value with a preset voltage lower limit value and a preset voltage upper limit value, if the output voltage value is between the voltage lower limit value and the voltage upper limit value, the fire-fighting power supply 5 is judged to be switched from main power supply to standby power supply to work normally, the step S08 is continuously executed, and otherwise, the step S07 is executed;
Step S07: the industrial computer reports errors and stops testing.
Step S08: the industrial computer 1 controls the programmable alternating current variable frequency power supply 4 to input rated alternating current to the fire-fighting power supply 5, the fire-fighting power supply 5 converts standby power supply into main power supply, the main power supply and standby power supply conversion times are added with 1 to judge whether the main power supply and standby power supply conversion times reach a preset main power supply and standby power supply conversion times standard, if yes, the step S09 is executed, and if not, the step S04 is executed in a return mode;
Step S09: the test is completed.
Preferably, the voltage of the rated alternating current is 220V, the frequency is 50Hz, the load current value is 3000mA, the voltage of the rated direct current is 26V, the current is 6A, the voltage lower limit value is 23000mVDC, and the voltage upper limit value is 27000mVDC.
As shown in fig. 1, the method for testing the status signal output performance of the fire power supply comprises the following steps:
step 1C: the industrial computer 1 controls the programmable direct current stabilized power supply 3 to input rated direct current to the fire-fighting power supply 5;
step 2C: after the industrial computer 1 controls the programmable alternating current variable frequency power supply 4 to input rated alternating current to the fire-fighting power supply 5, display information of the state display device 6 is obtained, whether the output of a main electrical state signal is correct or not is judged according to the display information, if so, the step 3C is continuously executed, and if not, an error is reported and the test is stopped;
Step 3C: after the industrial computer 1 controls the programmable alternating current variable frequency power supply 4 to input undervoltage alternating current to the fire power supply 5, display information of the state display device 6 is obtained, whether the output of a main power undervoltage state signal is correct or not is judged according to the display information, if so, the step 4C is continuously executed, and if not, an error is reported and the test is stopped;
Step 4C: after the industrial computer 1 controls the programmable alternating current variable frequency power supply 4 to input fault alternating current to the fire-fighting power supply 5, display information of the state display device 6 is obtained, whether the main power fault state signal output is correct or not is judged according to the display information, if so, the step 5C is continuously executed, and if not, the fault is reported and the test is stopped;
Step 5C: acquiring display information of the state display device 6, judging whether the standby power operation state signal output is correct according to the display information, if so, continuing to execute the step 6C, otherwise, reporting errors and stopping the test;
step 6C: after the industrial computer 1 controls the programmable direct current stabilized power supply 3 to input the undervoltage direct current to the fire-fighting power supply 5, the display information of the state display device 6 is obtained, whether the signal output of the standby power undervoltage state is correct or not is judged according to the display information, if so, the step 7C is continuously executed, otherwise, the fault is reported and the test is stopped;
Step 7C: after the industrial computer 1 controls the programmable alternating current variable frequency power supply 4 to input rated alternating current to the fire-fighting power supply 5 and controls the programmable direct current stabilized voltage power supply 3 to input fault direct current to the fire-fighting power supply 5, display information of the state display device 6 is obtained, whether the output of the standby power fault state signal is correct is judged according to the display information, if so, the step 8C is continuously executed, otherwise, errors are reported and the test is stopped;
Step 8C: after the industrial computer 1 controls the programmable direct current stabilized power supply 3 to input the under-voltage direct current to the fire power supply 5, the display information of the state display device 6 is obtained, whether the output of the standby power charging state signal is correct or not is judged according to the display information, and if the output is incorrect, the fault is reported.
Preferably, the status display device 6 is a test circuit board 6, and the test circuit board 6 is provided with a main power on status indicator lamp, a main power under-voltage status indicator lamp, a main power fault status indicator lamp, a standby power on status indicator lamp, a standby power under-voltage status indicator lamp, a standby power fault status indicator lamp and a standby power charging status indicator lamp, wherein each status indicator lamp is lightened after receiving a corresponding status signal, and the steps when the test circuit board is applied to test the status signal output performance of the fire-fighting power supply 5 are as follows:
step 1C: the industrial computer 1 controls the programmable direct current stabilized power supply 3 to input rated direct current to the fire-fighting power supply 5;
Step 2C: after the industrial computer 1 controls the programmable alternating current variable frequency power supply 4 to input rated alternating current to the fire power supply 5, display information of the test circuit board 6 is obtained, whether the main electrical working state indicator lamp is lighted is judged according to the display information, if the main electrical working state indicator lamp is lighted, the main electrical working state signal is judged to be output correctly, the step 3C is continuously executed, and otherwise, the fault is reported and the test is stopped;
Step 3C: after the industrial computer 1 controls the programmable alternating current variable frequency power supply 4 to input undervoltage alternating current to the fire power supply 5, display information of the test circuit board 6 is obtained, whether a main electricity undervoltage state indicator lamp is lightened is judged according to the display information, if the main electricity undervoltage state indicator lamp is lightened, the output of a main electricity undervoltage state signal is judged to be correct, the step 4C is continuously executed, and otherwise, the fault is reported and the test is stopped;
Step 4C: after the industrial computer 1 controls the programmable alternating current variable frequency power supply 4 to input fault alternating current to the fire power supply 5, display information of the test circuit board 6 is obtained, whether a main electric fault state indicator lamp is lightened is judged according to the display information, if the main electric fault state indicator lamp is lightened, the main electric fault state signal is judged to be output correctly, the step 5C is continuously executed, and otherwise, the fault is reported and the test is stopped;
Step 5C: acquiring display information of the test circuit board 6, judging whether the standby power working state indicator lamp is lighted according to the display information, if so, judging that the standby power working state signal is output correctly, and continuing to execute the step 6C, otherwise, reporting errors and stopping the test;
Step 6C: after the industrial computer 1 controls the programmable direct current stabilized power supply 3 to input the undervoltage direct current to the fire power supply 5, the display information of the test circuit board 6 is obtained, whether the standby power undervoltage state indicator lamp is lightened is judged according to the display information, if the standby power undervoltage state indicator lamp is lightened, the output of the standby power undervoltage state signal is judged to be correct, the step 7C is continuously executed, and otherwise, the fault is reported and the test is stopped;
step 7C: the industrial computer 1 controls the programmable alternating current variable frequency power supply 4 to input rated alternating current to the fire-fighting power supply 5, controls the programmable direct current stabilized voltage power supply 3 to input fault direct current to the fire-fighting power supply 5, acquires display information of the test circuit board 6, judges whether the standby power fault state indicator lamp is lighted according to the display information, judges that the standby power fault state signal is output correctly if the standby power fault state indicator lamp is lighted, and continues to execute the step 8C, otherwise, reports errors and stops testing;
Step 8C: after the industrial computer 1 controls the programmable direct current stabilized power supply 3 to input the undervoltage direct current to the fire power supply 5, display information of the test circuit board 6 is obtained, whether the standby electric charge state indicator lamp is lighted is judged according to the display information, if the standby electric charge state indicator lamp is lighted, the standby electric charge state signal is judged to be output correctly, and if the standby electric charge state indicator lamp is incorrect, the standby electric charge state signal is judged to be wrong.
Further preferably, the method for obtaining the display information of the test circuit board 6 is that the pop-up dialog box inquires whether the status indicator lamp corresponding to the actual working status of the fire-fighting power supply 5 is lighted by the tester, and receives the inquiry result input by the tester, and the industrial computer 1 judges whether the status indicator lamp is lighted according to the inquiry result.
Preferably, the voltage value of the rated direct current is 26V, the voltage value of the rated alternating current is 220V, the frequency value of the rated alternating current is 50Hz, the voltage value of the undervoltage alternating current is 170V, the frequency value of the undervoltage alternating current is 50Hz, the voltage value of the fault alternating current is 10V, the frequency value of the undervoltage direct current is 50Hz, the voltage value of the undervoltage direct current is 21V, and the voltage value of the fault direct current is 10V.
As shown in FIG. 1, the automatic testing method of the fire-fighting power supply of the preferred embodiment of the invention can also be used for testing the standby power under-voltage and protection performance of the fire-fighting power supply, and comprises the following steps:
Step 1D: the industrial computer 1 controls the programmable direct current electronic load 2 to discharge according to a preset load current value, and the fire-fighting power supply 5 operates in a loaded mode;
Step 2D: after the industrial computer 1 controls the programmable direct current stabilized power supply 3 to input rated direct current to the fire-fighting power supply 5, collecting the output voltage value and the output current value of the fire-fighting power supply;
step 3D: after the industrial computer 1 controls the programmable direct-current stabilized power supply 3 to input the under-voltage direct-current to the fire-fighting power supply 5, collecting the output voltage value and the output current value of the fire-fighting power supply 5, wherein the voltage value of the under-voltage direct-current is in a preset under-voltage value range;
Step 4D: after the industrial computer 1 controls the programmable direct current stabilized power supply 3 to input low-voltage direct current to the fire-fighting power supply 5, collecting an output voltage value and an output current value of the fire-fighting power supply 5, wherein the voltage value of the low-voltage direct current is in a preset low-voltage value range;
Step 5D: the industrial computer 1 outputs the voltage and current values of the rated dc power, the voltage and current values of the undervoltage dc power, the voltage and current values of the low voltage dc power, a plurality of output voltage values and a plurality of output current values.
After the plurality of output voltage values and the plurality of output current values are measured, the plurality of output voltage values can be respectively compared with the qualified output voltage value range, the plurality of output current values can be respectively compared with the qualified output current value range, and if the plurality of output voltage values fall into the qualified output voltage value range and the plurality of output current values fall into the qualified output current value range, the standby undervoltage and the protection index of the fire-fighting power supply are qualified.
Preferably, the load current value is 1000mA, the voltage value of the rated direct current is 24V, the current value is 6A, the voltage value of the undervoltage direct current is 21V, the current value is 6A, the voltage value of the low voltage direct current is 19V, and the current value is 6A.
If the fire-fighting power supply 5 has a plurality of output ends, a plurality of programmable dc electronic loads 2 are required to be set correspondingly, and when each test is performed, the plurality of output ends of the fire-fighting power supply 5 are tested in sequence, and when one of the output ends is tested, the programmable dc electronic loads 2 connected to the other output ends are all required to be in an initialized state.
It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.
Claims (1)
1. The automatic fire-fighting power supply testing method is characterized by adopting an automatic fire-fighting power supply testing system, wherein the automatic fire-fighting power supply testing system comprises an industrial computer, a programmable alternating-current variable-frequency power supply, a programmable direct-current electronic load, a programmable direct-current stabilized power supply and a state display device;
The programmable alternating current variable frequency power supply is in communication connection with the industrial computer and is electrically connected with the main electric input end of the fire-fighting power supply; the programmable direct current electronic load is in communication connection with the industrial computer and is electrically connected with the output end of the fire-fighting power supply; the programmable direct current stabilized power supply is in communication connection with the industrial computer and is electrically connected with the standby power input end of the fire-fighting power supply; the state display device is electrically connected with the state indication port of the fire-fighting power supply;
The industrial computer is used for respectively sending a first control signal, a second control signal and a third control signal to the programmable alternating current variable frequency power supply, the programmable direct current electronic load and the programmable direct current stabilized voltage power supply; the programmable alternating current variable frequency power supply is used for outputting alternating current according to a first control signal; the programmable direct current electronic load is used for discharging according to a second control signal; the programmable direct current stabilized power supply is used for outputting direct current according to a third control signal; the state display device is used for displaying the working state of the fire-fighting power supply in real time according to the state signal sent by the fire-fighting power supply;
The industrial computer is also used for collecting one or more of output end data, main electric input end data and standby electric input end data of the fire-fighting power supply, acquiring display information of the state display device, acquiring a test result according to one or more of the output end data, the main electric input end data, the standby electric input end data and the display information and a preset rule, and outputting one or more of the output end data, the main electric input end data, the standby electric input end data and the test result;
the method for testing the main electricity-standby electricity conversion performance of the fire-fighting power supply comprises the following steps:
Step 1B: the industrial computer controls the programmable alternating current variable frequency power supply to input rated alternating current to the fire-fighting power supply;
Step 2B: the industrial computer controls the programmable direct current electronic load to discharge according to a preset load current value;
step 3B: the industrial computer controls the programmable direct current stabilized power supply to input rated direct current to the fire-fighting power supply;
Step 4B: the industrial computer controls the programmable alternating current variable frequency power supply to stop outputting, and the fire-fighting power supply is converted into standby power supply from main power supply;
step 5B: the industrial computer collects the output voltage value of the output end of the fire-fighting power supply;
step 6B: the industrial computer compares the output voltage value with a preset voltage lower limit value and a preset voltage upper limit value, if the output voltage value is between the voltage lower limit value and the voltage upper limit value, the fire-fighting power supply is judged to be switched from the main power supply to the standby power supply to work normally, the step 7B is continuously executed, and otherwise, the fault is reported and the test is stopped;
Step 7B: the industrial computer controls the programmable alternating current variable frequency power supply to input rated alternating current to the fire-fighting power supply, the fire-fighting power supply converts standby power supply into main power supply, after the main power supply and standby power supply are added with 1, whether the main power supply and standby power supply meet the preset main power supply and standby power supply conversion frequency standard is judged, if yes, the test is completed, and if not, the step 4B is executed in a returning mode;
the method for testing the accuracy of the output voltage of the fire-fighting power supply comprises the following steps:
The industrial computer controls the programmable direct current electronic load to initialize, and the fire-fighting power supply is empty;
After the industrial computer controls the programmable alternating current variable frequency power supply to input alternating current to the fire-fighting power supply, the industrial computer collects the output voltage value of the fire-fighting power supply, namely the no-load voltage value;
the industrial computer controls the programmable direct current electronic load to discharge according to the preset half-load current value, the fire-fighting power supply is half-loaded, and then the industrial computer collects the output voltage value of the fire-fighting power supply, namely the half-load voltage value, and the output voltage value is the half-load voltage value according to a formula I Calculating the half-load output voltage precision, wherein in the formula I,/>Representing half-load output voltage accuracy,/>Representing no-load voltage value,/>Representing a half-load voltage value;
The industrial computer controls the programmable direct current electronic load to discharge according to the preset full load current value, the fire-fighting power supply is fully loaded, and then the industrial computer collects the output voltage value of the fire-fighting power supply, namely the full load voltage value, and the output voltage value is the full load voltage value according to a formula II Calculating the full-load output voltage precision, wherein in the formula II,/>Representing full load output voltage accuracy,/>Representing no-load voltage value,/>Representing a full load voltage value;
The industrial computer correspondingly outputs the no-load voltage value, the half-load output voltage precision, the full-load voltage value and the full-load output voltage precision;
the method for testing the stability of the output voltage of the fire-fighting power supply comprises the following steps:
The industrial computer controls the programmable direct current electronic load to discharge according to a preset full-load current value, and the fire-fighting power supply is full-load;
After the industrial computer controls the programmable alternating current variable frequency power supply to input rated alternating current to the fire-fighting power supply, acquiring the output voltage value of the fire-fighting power supply, namely the rated output voltage value;
The industrial computer controls the programmable alternating current variable frequency power supply to sequentially input a plurality of different non-rated alternating currents to the fire-fighting power supply, wherein the voltage value of the non-rated alternating currents is within a preset voltage value range and is not equal to the rated voltage value, and the frequency value is within a preset frequency value range and is not equal to the rated frequency value;
The industrial computer collects a plurality of non-rated output voltage values of the fire-fighting power supply, which correspond to a plurality of non-rated alternating currents one by one, and according to the rated output voltage values, the plurality of non-rated output voltage values and a formula III Obtaining a plurality of output voltage stability, wherein in the formula III,/>Representing the output voltage stability,/>Representing the rated output voltage value,/>Representing a non-nominal output voltage value;
the industrial computer correspondingly outputs the rated output voltage value, the plurality of non-rated output voltage values and the plurality of output voltage stability.
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| CN113030773B (en) | 2024-06-25 |
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| CN113049980A (en) | 2021-06-29 |
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