CN110308406B - Automatic testing method for fire-fighting power supply - Google Patents

Automatic testing method for fire-fighting power supply Download PDF

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CN110308406B
CN110308406B CN201910695361.5A CN201910695361A CN110308406B CN 110308406 B CN110308406 B CN 110308406B CN 201910695361 A CN201910695361 A CN 201910695361A CN 110308406 B CN110308406 B CN 110308406B
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power supply
fire
output voltage
industrial computer
voltage value
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CN110308406A (en
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张良帅
舒伟龙
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Shenzhen Hi Tech Investment Sanjiang Electronics Co ltd
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Shenzhen Hi Tech Investment Sanjiang Electronics Co ltd
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Priority to CN202110312105.0A priority Critical patent/CN113030770A/en
Application filed by Shenzhen Hi Tech Investment Sanjiang Electronics Co ltd filed Critical Shenzhen Hi Tech Investment Sanjiang Electronics Co ltd
Priority to CN202110312114.XA priority patent/CN113030771B/en
Priority to CN202110312104.6A priority patent/CN113049979A/en
Priority to CN201910695361.5A priority patent/CN110308406B/en
Priority to CN202110312453.8A priority patent/CN113030772A/en
Priority to CN202110312455.7A priority patent/CN113049980A/en
Priority to CN202110312457.6A priority patent/CN113030773A/en
Priority to CN202110312471.6A priority patent/CN113049981A/en
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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
    • 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
    • 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
    • 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

Abstract

The invention relates to an automatic testing method of a fire-fighting power supply, which 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 power supply is adjusted to the minimum value by using an adjusting knob of the fire power supply, the output voltage value of the fire power supply is collected by an industrial computer, and the output voltage value is the minimum output voltage value; after the output voltage of the fire power supply is adjusted to the maximum value by using an adjusting knob of the fire power supply, the output voltage value of the fire power supply is collected by an industrial computer, and the output voltage value is the maximum output voltage value; the industrial computer correspondingly outputs the minimum output voltage value and the maximum output voltage value; the industrial computer is used for automatically adjusting the programmable alternating current variable frequency power supply, the programmable direct current electronic load and the programmable direct current stabilized power supply, so that the requirement on personnel is low and the efficiency is high; the industrial computer is used for collecting and outputting data in the test process, so that the error rate is low and the efficiency is high.

Description

Automatic testing method for fire-fighting power supply
Technical Field
The invention relates to the technical field of fire-fighting power supplies, in particular to an automatic testing method of a fire-fighting power supply.
Background
The fire-fighting power supply is a conversion device capable of converting alternating current into direct current, and generally comprises a transformation rectification module, a power management module, a storage battery module, a battery management module, a working state indication module, a power supply switching automatic control switch and other modules.
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 testing equipment is adjusted manually and testing data is recorded, so that the requirement on personnel is high, the error rate is high, and the testing 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 by the invention for solving the technical problems is as follows:
on one hand, the automatic fire power supply testing system is provided, and 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 electrical input end of the fire 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 a standby power input end of the fire-fighting power supply; the state display device is electrically connected with a state indicating 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 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 a state signal sent by the fire-fighting power supply;
the industrial computer is also used for acquiring one or more items of output end data, main power input end data and standby power 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 items 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 outputting one or more items of the output end data, the main power input end data, the standby power input end data and the test result.
On the other hand, the automatic test method for the fire power supply is based on the automatic test system for the fire power supply, and is used for testing one or more of the output voltage regulation performance, the output voltage precision, the output voltage stability, the load voltage stability, the power and efficiency, the starting voltage, the main power supply power conversion performance and the state signal output performance of the fire power supply.
The automatic test method for the fire power supply 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;
after the output voltage of the fire power supply is adjusted to the minimum value by using an adjusting knob of the fire power supply, the output voltage value of the fire power supply is collected by an industrial computer, and the output voltage value is the minimum output voltage value;
after the output voltage of the fire power supply is adjusted to the maximum value by using an adjusting knob of the fire power supply, the output voltage value of the fire power supply is collected by an industrial computer, and the output voltage value is the maximum output voltage value;
and the industrial computer correspondingly outputs the minimum output voltage value and the maximum output voltage value.
The automatic test method for the fire power supply comprises the following steps of:
the industrial computer controls the programmable direct current electronic load to initialize, and the fire-fighting power supply is in no-load;
after the industrial computer controls the programmable alternating current variable frequency power supply to input alternating current to the fire power supply, the industrial computer acquires the output voltage value of the fire power supply, namely the no-load voltage value;
the industrial computer controls the programmable DC electronic load to discharge according to a preset half-load current value, the fire-fighting power supply is in half-load, then the industrial computer collects the output voltage value of the fire-fighting power supply, namely the half-load voltage value, and the formula I is used for controlling the programmable DC electronic load to discharge according to the preset half-load current value
Figure GDA0002989843240000031
Precision of calculating half-load output voltage, in formula I, etaBRepresenting half-load output voltage accuracy, UKRepresenting no-load voltage value, UBRepresenting a half-load voltage value;
the industrial computer controls the programmable DC electronic load to discharge according to the preset full-load current value, the fire power supply is fully loaded, then the industrial computer collects the output voltage value of the fire power supply, namely the full-load voltage value, and the output voltage value is obtained according to a formula II
Figure GDA0002989843240000032
Accuracy of calculating full load output voltage, eta in formula twoMRepresenting full-load output voltage accuracy, UKRepresenting no-load voltage value, UMRepresenting 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 automatic test method for the fire power supply 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 fully loaded;
after the industrial computer controls the programmable alternating current variable frequency power supply to input rated alternating current to the fire power supply, acquiring an output voltage value of the fire 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 into the fire power supply, the voltage value of the non-rated alternating current is within a preset voltage value range but not equal to the rated voltage value, and the frequency value is within a preset frequency value range but 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 the industrial computer collects the plurality of non-rated output voltage values according to the rated output voltage values, the plurality of non-rated output voltage values and a formula III
Figure GDA0002989843240000041
Obtaining a plurality of output voltage stabilities, wherein in a formula III, sigma represents the output voltage stability, UNRepresents a rated output voltage value, and U represents a non-rated 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 stabilities.
The invention relates to an automatic test method of a fire power supply, which is used for testing the load voltage stability of the fire 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 in no-load;
after the industrial computer controls the programmable alternating current variable frequency power supply to input rated alternating current to the fire power supply, acquiring an output voltage value of the fire power supply, namely a no-load voltage value;
the industrial computer controls the programmable direct current electronic load to discharge in sequence according to a plurality of preset different load current values;
the industrial computer collects a plurality of output voltage values of the fire-fighting power supply, which correspond to a plurality of load current values one by one, and the industrial computer obtains the output voltage values according to the no-load voltage value, the output voltage values and a formula
Figure GDA0002989843240000051
Obtaining the stability of a plurality of load voltages, wherein in the formula IV, alpha represents the stability of the load voltage, and UKRepresenting a no-load voltage value, and U represents an output voltage value;
the industrial computer correspondingly outputs the no-load voltage value, the output voltage values and the load voltage stabilities.
The invention relates to an automatic testing method of a fire power supply, which comprises the following steps when used for testing the power and the efficiency of the fire power supply:
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 in sequence according to a plurality of preset different load current values;
the industrial computer collects a plurality of output voltage values and a plurality of output current values of the fire-fighting power supply, which correspond to a plurality of load current values one to one;
the industrial computer obtains a plurality of output power values of the fire-fighting power supply corresponding to a plurality of load current values one by one, and the output power values are calculated according to a formula five PC＝UC×ICObtaining the output power value, in formula five, PCRepresenting the output power value, UCRepresenting the value of the output voltage, ICRepresenting the output current value;
the industrial computer collects a plurality of input power values of the fire-fighting power supply, which correspond to a plurality of load current values one by one;
the industrial computer obtains a plurality of efficiency values of the fire-fighting power supply which correspond to a plurality of load current values one by one, and the efficiency values are calculated according to a formula six
Figure GDA0002989843240000052
Obtaining the efficiency value, wherein in the formula six, lambda represents the efficiency value, PCRepresenting the output power value, PRRepresenting 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 an automatic test method of a fire power supply, which comprises the following steps when used for testing the starting voltage of the fire power supply:
step 1A: the industrial computer controls the programmable direct current electronic load to initialize, and the fire-fighting power supply is in no-load;
step 2A: the industrial computer controls the programmable alternating current variable frequency power supply to input alternating current to the fire power supply, wherein the voltage value of the alternating current is a preset starting voltage value, namely the main input voltage value is the preset starting voltage value;
step 3A: the industrial computer collects the output voltage value of the fire-fighting power supply;
step 4A: and comparing the output voltage value with a preset standard voltage value by the industrial computer, judging that the fire-fighting power supply is started if the output voltage value is not less than the standard voltage value, wherein the main electrical input voltage value is the starting voltage value, and outputting the main electrical input voltage value, the output voltage value and the starting voltage value, otherwise, executing the step 5A.
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 again, the voltage value of the new alternating current is the sum of the voltage value of the last alternating current and a preset voltage interval value, namely, the new main electrical input voltage value is the sum of the last main electrical input voltage value and the preset voltage interval value;
step 6A: and (4) 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 operates with load, and then the step (2A) to the step (5A) are repeated.
The invention relates to an automatic test method of a fire power supply, which comprises the following steps when used for testing the power conversion performance of a main power supply of the fire power supply:
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;
and step 2B: the industrial computer controls the programmable direct current electronic load to discharge according to a preset load current value;
and step 3B: the industrial computer controls the programmable DC stabilized power supply to input rated DC to the fire-fighting power supply;
and 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 from main power supply to standby power supply;
and step 5B: the industrial computer collects the output voltage value of the output end of the fire-fighting power supply;
and step 6B: comparing the output voltage value with a preset voltage lower limit value and a preset voltage upper limit value by the industrial computer, if the output voltage value is between the voltage lower limit value and the voltage upper limit value, judging that the fire-fighting power supply is switched from main power supply to standby power supply and works normally, and continuing to execute the step 7B, otherwise, reporting an error and stopping the test;
and step 7B: and (3) controlling the programmable alternating current variable frequency power supply to input rated alternating current to the fire power supply by the industrial computer, converting the standby power supply into main power supply by the fire power supply, adding 1 to the number of times of the main/standby power conversion, judging whether the number of times of the main/standby power conversion reaches a preset standard of the number of times of the main/standby power conversion, if so, finishing the test, and if not, returning to execute the step 4B.
The automatic test method for the fire power supply comprises the following steps of:
step 1C: the industrial computer controls the programmable DC stabilized power supply to input rated DC to the fire-fighting power supply;
and step 2C: after the industrial computer controls the programmable alternating current variable frequency power supply to input rated alternating current to the fire power supply, acquiring display information of the state display device, judging whether the output of the main electric working state signal is correct or not according to the display information, if so, continuing to execute the step 3C, and otherwise, reporting an error and stopping the test;
and step 3C: after the programmable alternating-current variable-frequency power supply is controlled by the industrial computer to input the undervoltage alternating current to the fire power supply, acquiring display information of the state display device, judging whether the output of the main power undervoltage state signal is correct or not according to the display information, if so, continuing to execute the step 4C, and otherwise, reporting an error and stopping the test;
and 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, acquiring display information of the state display device, judging whether the main power fault state signal output is correct or not according to the display information, if so, continuing to execute the step 5C, and otherwise, reporting an error and stopping the test;
and step 5C: acquiring display information of the state display device, judging whether the standby power working state signal output is correct or not according to the display information, if so, continuing to execute the step 6C, otherwise, reporting an error and stopping the test;
and 6C: after the programmable direct current stabilized voltage supply is controlled by the industrial computer to input the undervoltage direct current to the fire power supply, acquiring display information of the state display device, judging whether the output of the standby power undervoltage state signal is correct or not according to the display information, if so, continuing to execute the step 7C, and otherwise, reporting an error and stopping the test;
and step 7C: after the industrial computer controls the programmable alternating current variable frequency power supply to input rated alternating current to the fire power supply and controls the programmable direct current stabilized power supply to input fault direct current to the fire 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, and if not, an error is reported and the test is stopped;
and step 8C: the industrial computer controls the programmable DC stabilized voltage supply to input the undervoltage DC to the fire power supply, then the display information of the state display device is obtained, whether the standby power charging state signal output is correct or not is judged according to the display information, and if the standby power charging state signal output is incorrect, an error is reported.
The invention has the beneficial effects that: the industrial computer is used for automatically adjusting the programmable alternating current variable frequency power supply, the programmable direct current electronic load and the programmable direct current stabilized power supply, so that the requirement on personnel is low and the efficiency is high; the industrial computer is used for collecting and outputting 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, wherein the drawings in the following description are only part of the embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive efforts according to the accompanying drawings:
FIG. 1 is a schematic diagram of an automatic testing system for fire-fighting power supply according to a preferred embodiment of the present invention;
fig. 2 is a flowchart of an automatic testing method for a fire power supply according to a preferred embodiment of the invention (for testing the main power supply conversion performance of the fire power supply).
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without inventive step, are within the scope of the present invention.
A schematic structural diagram of an automated testing system for fire power according to a preferred embodiment of the invention is shown in fig. 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 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 electrical 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 voltage supply 3 is in communication connection with the industrial computer 1 and is electrically connected with a standby power input end of the fire-fighting power supply 5; the state display device 6 is electrically connected with a state indicating 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 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 also used for acquiring one or more items of output end data, main power input end data and standby power input end data of the fire-fighting power supply 5, acquiring display information of the state display device 6, acquiring a test result according to one or more items 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 outputting one or more items 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 used for automatically adjusting the programmable alternating current variable frequency power supply 4, the programmable direct current electronic load 2 and the programmable direct current stabilized power supply 3, so that the requirements on personnel are low and the efficiency is high; the industrial computer 1 is used for collecting and outputting 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 input end data, the backup input end data, and the test result on the display of the industrial computer 1, and may also generate a test report in which one or more of the output end data, the main input end data, the backup input end data, and the test result are recorded, so as to generate the test report.
Preferably, the model of the programmable alternating current variable frequency power supply 4 is PS6001T, the model of the programmable direct current electronic load 2 is ARRAY3711A, and the model of the programmable direct current stabilized power supply 3 is Agilent 6032A.
The automatic test method of the fire power supply of the preferred embodiment of the invention is used for testing one or more of the output voltage regulation performance, the output voltage precision, the output voltage stability, the load voltage stability, the power and efficiency, the starting voltage, the main power supply electricity conversion performance and the state signal output of the fire power supply 5.
As shown in fig. 1, the method for testing the output voltage regulation performance of the fire power supply 5 includes 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 power supply 5 is adjusted to the minimum value by using an adjusting knob of the fire power supply 5, the industrial computer 1 acquires the output voltage value of the fire power supply 5, namely the minimum output voltage value;
after the output voltage of the fire power supply 5 is adjusted to the maximum value by using an adjusting knob of the fire power supply 5, the industrial computer 1 acquires the output voltage value of the fire power supply 5, namely the maximum output voltage value;
the industrial computer 1 outputs the minimum output voltage value and the maximum output voltage value.
Preferably, adjust the output voltage of fire power supply 5 through the adjust knob of artifical rotatory fire power supply 5, before the regulation, industrial computer 1 can send prompt message, and the rotatory adjust knob of suggestion staff adjusts the output voltage of fire power supply 5 to minimum or maximum value, can raise the efficiency and can avoid leaking and survey.
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 in no-load;
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 acquires an output voltage value of the fire-fighting power supply 5, namely a 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 power supply 5 is in half-load, then the industrial computer 1 collects the output voltage value of the fire power supply 5, namely the half-load voltage value, and the formula I is used for controlling the programmable direct current electronic load 2 to discharge according to the preset half-load current value
Figure GDA0002989843240000111
Precision of calculating half-load output voltage, in formula I, etaBRepresenting half-load output voltage accuracy, UKRepresenting no-load voltage value, UBRepresenting 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 power supply 5 is fully loaded, and then the industrial computer 1 acquires the output voltage value of the fire power supply 5, namely the full-load voltage value, and the output voltage value is obtained according to a formula II
Figure GDA0002989843240000112
Accuracy of calculating full load output voltage, eta in formula twoMRepresenting full-load output voltage accuracy, UKRepresenting no-load voltage value, UMRepresenting a full load voltage value;
the industrial computer 1 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.
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 both 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 6000 mA.
As shown in fig. 1, the method for testing the stability of the output voltage of the fire-fighting power supply 5 includes 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 power supply 5, acquiring an output voltage value of the fire 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 into the fire power supply 5, the voltage value of the non-rated alternating current is within a preset voltage value range but not equal to the rated voltage value, and the frequency value is within a preset frequency value range but 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 non-rated output voltage values and a formula III
Figure GDA0002989843240000121
Obtaining a plurality of output voltage stabilities, wherein in a formula III, sigma represents the output voltage stability, UNRepresents a rated output voltage value, and U represents a non-rated output voltage value;
the industrial computer 1 outputs the rated output voltage value, the plurality of non-rated output voltage values, and the plurality of output voltage stabilities in correspondence.
After a plurality of output voltage stability degrees are measured, the output voltage stability degrees can be compared with the qualified output voltage stability degree range respectively, and if the output voltage stability degrees all fall into the qualified output voltage stability degree range, the output voltage stability degree index of the fire power supply is qualified.
Preferably, the full-load current value is 6000mA, the voltage of the rated alternating current is 220V, the frequency is 50Hz, and the preset voltage value range is as follows: 170V-275V, and the preset frequency value range is as follows: 47Hz-63Hz, and a plurality of non-rated alternating currents are respectively as follows: 170V/47Hz, 170V/63Hz, 275V/47Hz and 275V/63 Hz.
As shown in fig. 1, the method for testing the load voltage stability of the fire power supply 5 includes 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 in no-load;
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, acquiring an output voltage value of the fire power supply 5, namely a no-load voltage value;
the industrial computer 1 controls the programmable direct current electronic load 2 to discharge in sequence according to a plurality of preset different load current values;
the industrial computer 1 collects a plurality of output voltage values of the fire-fighting power supply 5 corresponding to a plurality of load current values one by one, and according to the no-load voltage value, the plurality of output voltage values and a formula IV
Figure GDA0002989843240000131
Obtaining the stability of a plurality of load voltages, wherein in the formula IV, alpha represents the stability of the load voltage, and UKRepresenting a no-load voltage value, and U represents an output voltage value;
the industrial computer 1 correspondingly outputs the no-load voltage value, the output voltage values and the load voltage stabilities.
After a plurality of load voltage stability degrees are measured, the load voltage stability degrees can be compared with the qualified load voltage stability degree range respectively, and if the load voltage stability degrees all fall into the qualified load voltage stability degree range, the index of the load voltage stability degree of the fire power supply is qualified.
Preferably, the rated alternating current has a voltage of 220V and a frequency of 50Hz, and the load current values are: 3000mA and 6000 mA.
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 in sequence according to a plurality of preset different load current values;
the industrial computer 1 acquires a plurality of output voltage values and a plurality of output current values of the fire-fighting power supply 5, which correspond to a plurality of load current values one to one;
the industrial computer 1 obtains the fire-fighting power supply 5 and a plurality of loadsA plurality of output power values with one-to-one correspondence of current values according to a formula of five PC＝UC×ICObtaining the output power value, in formula five, PCRepresenting the output power value, UCRepresenting the value of the output voltage, ICRepresenting the output current value;
the industrial computer 1 collects a plurality of input power values of the fire-fighting power supply 5, which correspond to a plurality of load current values one to one;
the industrial computer 1 obtains a plurality of efficiency values of the fire-fighting power supply 5 corresponding to a plurality of load current values one by one according to a formula six
Figure GDA0002989843240000141
Obtaining the efficiency value, wherein in the formula six, lambda represents the efficiency value, PCRepresenting the output power value, PRRepresenting an input power value;
the industrial computer 1 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 measured efficiency values can be compared with the qualified efficiency values respectively, and if the efficiency values are not less than the qualified efficiency values, the efficiency index of the fire-fighting power supply is qualified.
Preferably, the rated alternating current has a voltage of 220V and a frequency of 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 in no-load;
step 2A: the industrial computer 1 controls the programmable alternating current variable frequency power supply 4 to input alternating current to the fire power supply 5, wherein the voltage value of the alternating current is a preset starting voltage value, namely, the main electrical 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 less than the standard voltage value, it is determined that the fire-fighting power supply 5 is started, the main electrical input voltage value at this time is the starting voltage value, and the main electrical input voltage value, the output voltage value and the starting voltage value are output, otherwise, 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 power supply 5, returning to execute the step 3A, 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 electrical input voltage value is the last main electrical input voltage value plus the preset voltage interval value;
step 6A: and (3) the industrial computer 1 controls the programmable direct current electronic load 2 to discharge according to a preset load current value so that the fire-fighting power supply 5 operates with load, and then the steps 2A-5A are repeated.
After the two starting voltage values are measured, the two starting voltage values can be respectively compared with the qualified starting voltage values, and if the two starting voltage values are not more than the qualified starting voltage values, the starting voltage index of the fire-fighting power supply is qualified.
Preferably, the starting voltage value is 60V, the standard voltage value is 27100mV, the voltage interval value is 1V, and the load current value is 6000 mA.
As shown in fig. 1 and 2, the method for testing the electric conversion performance of the main power supply 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 DC stabilized power supply 3 to input rated DC 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-fighting power supply 5 is converted from main power supply to standby 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, and the step S08 is continuously executed, otherwise, the step S07 is executed;
step S07: the industrial computer reports the error and stops the test.
Step S08: 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, the fire power supply 5 is converted from standby power supply to main power supply, 1 is added to the main/standby power conversion times to judge whether the main/standby power conversion times reach a preset main/standby power conversion time standard, if yes, the step S09 is executed, and if not, the step S04 is executed;
step S09: and (6) completing the test.
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 lower limit value of the voltage is 23000mVDC, and the upper limit value of the voltage is 27000 mVDC.
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 DC stabilized power supply 3 to input rated DC to the fire-fighting power supply 5;
and step 2C: 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, then display information of the state display device 6 is obtained, whether the output of the main electric working 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;
and step 3C: after the industrial computer 1 controls the programmable alternating current variable frequency power supply 4 to input the undervoltage alternating current to the fire power supply 5, the display information of the state display device 6 is obtained, whether the output of the 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;
and 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 state display device 6 is obtained, whether the output of a main power fault state signal is correct or not is judged according to the display information, if so, the step 5C is continuously executed, and if not, an error is reported and the test is stopped;
and step 5C: acquiring display information of the state display device 6, judging whether the standby power working state signal output is correct or not according to the display information, if so, continuing to execute the step 6C, otherwise, reporting an error and stopping the test;
and 6C: the industrial computer 1 controls the programmable direct current stabilized voltage supply 3 to input the undervoltage direct current to the fire power supply 5, then the display information of the state display device 6 is obtained, whether the standby power undervoltage state signal output is correct or not is judged according to the display information, if so, the step 7C is continuously executed, and if not, the error is reported and the test is stopped;
and step 7C: 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 and controls the programmable direct current stabilized power supply 3 to input fault direct current to the fire power supply 5, then display information of the state display device 6 is obtained, whether the standby power fault state signal output is correct or not is judged according to the display information, if the standby power fault state signal output is correct, the step 8C is continuously executed, and if the standby power fault state signal output is not correct, an error is reported and the test is stopped;
and step 8C: the industrial computer 1 controls the programmable DC stabilized power supply 3 to input the undervoltage DC to the fire power supply 5, then obtains the display information of the state display device 6, judges whether the standby power charging state signal output is correct according to the display information, and reports an error if the standby power charging state signal output is incorrect.
Preferably, the state display device 6 is a test circuit board 6, a main electric working state indicator, a main electric under-voltage state indicator, a main electric fault state indicator, a standby electric working state indicator, a standby electric under-voltage state indicator, a standby electric fault state indicator and a standby electric charging state indicator are arranged on the test circuit board 6, each state indicator is lighted after receiving a corresponding state signal, and the state signal output performance of the fire-fighting power supply 5 tested by the test circuit board is as follows:
step 1C: the industrial computer 1 controls the programmable DC stabilized power supply 3 to input rated DC to the fire-fighting power supply 5;
and step 2C: 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, then display information of the test circuit board 6 is obtained, whether the main electric working state indicator lamp is lightened or not is judged according to the display information, if the main electric working state indicator lamp is lightened, the main electric working state signal is judged to be output correctly, the step 3C is continuously executed, and if not, an error is reported and the test is stopped;
and step 3C: after the industrial computer 1 controls the programmable alternating-current variable-frequency power supply 4 to input the undervoltage alternating current to the fire-fighting power supply 5, the display information of the test circuit board 6 is obtained, whether the main undervoltage state indicator lamp is lightened or not is judged according to the display information, if the main undervoltage state indicator lamp is lightened, the main undervoltage state signal is judged to be output correctly, the step 4C is continuously executed, and if not, an error is reported and the test is stopped;
and 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 the main power fault state indicator lamp is lightened or not is judged according to the display information, if the main power fault state indicator lamp is lightened, the main power fault state signal is judged to be output correctly, the step 5C is continuously executed, and if not, an error is reported and the test is stopped;
and 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 correctly output, and continuing to execute the step 6C, otherwise, reporting an error and stopping the test;
and 6C: 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, then the display information of the test circuit board 6 is obtained, whether the standby power undervoltage state indicator lamp is lighted or not is judged according to the display information, if the standby power undervoltage state indicator lamp is lighted, the standby power undervoltage state signal is judged to be output correctly, the step 7C is continuously executed, and if not, the error is reported and the test is stopped;
and step 7C: 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 and controls the programmable direct current stabilized power supply 3 to input fault direct current to the fire power supply 5, then display information of the test circuit board 6 is obtained, whether the standby power fault state indicator lamp is lightened is judged according to the display information, if the standby power fault state indicator lamp is lightened, the standby power fault state signal is judged to be output correctly, the step 8C is continuously executed, and if not, an error is reported and the test is stopped;
and step 8C: 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, then the display information of the test circuit board 6 is obtained, whether the standby power charging state indicator lamp is lightened or not is judged according to the display information, if the standby power charging state indicator lamp is lightened, the standby power charging state signal is judged to be output correctly, and if the standby power charging state indicator lamp is incorrect, an error is reported.
Further preferably, the method for acquiring the display information of the test circuit board 6 is that a pop-up dialog box inquires whether the status indicator lamp corresponding to the actual working status of the fire power supply 5 is turned on by a tester, and receives an inquiry result input by the tester, and the industrial computer 1 judges whether the status indicator lamp is turned on 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 is 50Hz, the voltage value of the undervoltage alternating current is 170V, the frequency value is 50Hz, the voltage value of the fault alternating current is 10V, the frequency value 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 for a fire power supply according to the preferred embodiment of the present invention can also be used for testing the standby power under-voltage and protection performance of the fire power supply, and includes 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 with load;
step 2D: the industrial computer 1 controls the programmable direct current stabilized power supply 3 to input rated direct current to the fire power supply 5 and then collects the output voltage value and the output current value of the fire power supply;
and step 3D: 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, acquiring an output voltage value and an output current value of the fire power supply 5, wherein the voltage value of the undervoltage direct current is in a preset undervoltage value range;
and 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 power supply 5, acquiring an output voltage value and an output current value of the fire power supply 5, wherein the voltage value of the low-voltage direct current is in a preset low-voltage value range;
and step 5D: the industrial computer 1 correspondingly outputs a voltage value and a current value of rated direct current, a voltage value and a current value of undervoltage direct current, a voltage value and a current value of low-voltage direct current, 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 range of qualified output voltage values, the plurality of output current values can be respectively compared with the range of qualified output current values, and if the plurality of output voltage values fall into the range of qualified output voltage values and the plurality of output current values fall into the range of qualified output current values, the standby power under-voltage and protection indexes of the fire 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.
It should be noted that, if the fire power supply 5 has a plurality of output terminals, a plurality of programmable dc electronic loads 2 need to be correspondingly set, and when each test is performed, the plurality of output terminals of the fire power supply 5 are sequentially tested, and in addition, when one of the output terminals is tested, the programmable dc electronic loads 2 connected to the other output terminals all need to be in an initialization state.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.

Claims (1)

1. An automatic test method for a fire-fighting power supply is characterized in that,
the automatic fire power 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 electrical input end of the fire 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 a standby power input end of the fire-fighting power supply; the state display device is electrically connected with a state indicating 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 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 a state signal sent by the fire-fighting power supply;
the industrial computer is also used for acquiring one or more items of output end data, main power input end data and standby power 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 items 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 outputting one or more items of the output end data, the main power input end data, the standby power input end data and the test result;
the method is used for testing the output voltage regulation performance of the fire 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 power supply is adjusted to the minimum value by using an adjusting knob of the fire power supply, the output voltage value of the fire power supply is collected by an industrial computer, and the output voltage value is the minimum output voltage value;
after the output voltage of the fire power supply is adjusted to the maximum value by using an adjusting knob of the fire power supply, the output voltage value of the fire power supply is collected by an industrial computer, and the output voltage value is the maximum output voltage value;
the industrial computer correspondingly outputs the minimum output voltage value and the maximum output voltage value;
the method for testing the accuracy of the output voltage of the fire 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 in no-load;
after the industrial computer controls the programmable alternating current variable frequency power supply to input alternating current to the fire power supply, the industrial computer acquires the output voltage value of the fire power supply, namely the no-load voltage value;
the industrial computer controls the programmable DC electronic load to discharge according to a preset half-load current value, the fire-fighting power supply is in half-load, then the industrial computer collects the output voltage value of the fire-fighting power supply, namely the half-load voltage value, and the formula I is used for controlling the programmable DC electronic load to discharge according to the preset half-load current value
Figure FDF0000015132870000021
Precision of calculating half-load output voltage, in formula I, etaBRepresenting half-load output voltage accuracy, UKRepresenting no-load voltage value, UBRepresenting a half-load voltage value;
the industrial computer controls the programmable DC electronic load to discharge according to the preset full-load current value, the fire power supply is fully loaded, then the industrial computer collects the output voltage value of the fire power supply, namely the full-load voltage value, and the output voltage value is obtained according to a formula II
Figure FDF0000015132870000022
Accuracy of calculating full load output voltage, eta in formula twoMRepresenting full-load output voltage accuracy, UKRepresenting no-load voltage value, UMRepresenting 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 output voltage stability of the fire 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 fully loaded;
after the industrial computer controls the programmable alternating current variable frequency power supply to input rated alternating current to the fire power supply, acquiring an output voltage value of the fire 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 into the fire power supply, the voltage value of the non-rated alternating current is within a preset voltage value range but not equal to the rated voltage value, and the frequency value is within a preset frequency value range but 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 the industrial computer collects the plurality of non-rated output voltage values according to the rated output voltage values, the plurality of non-rated output voltage values and a formula III
Figure FDF0000015132870000031
Obtaining a plurality of output voltage stabilities, wherein in a formula III, sigma represents the output voltage stability, UNRepresents a rated output voltage value, and U represents a non-rated output voltage value;
the industrial computer correspondingly outputs the rated output voltage value, a plurality of non-rated output voltage values and a plurality of output voltage stabilities;
the method for testing the electric conversion performance of the main power supply 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;
and step 2B: the industrial computer controls the programmable direct current electronic load to discharge according to a preset load current value;
and step 3B: the industrial computer controls the programmable DC stabilized power supply to input rated DC to the fire-fighting power supply;
and 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 from main power supply to standby power supply;
and step 5B: the industrial computer collects the output voltage value of the output end of the fire-fighting power supply;
and step 6B: comparing the output voltage value with a preset voltage lower limit value and a preset voltage upper limit value by the industrial computer, if the output voltage value is between the voltage lower limit value and the voltage upper limit value, judging that the fire-fighting power supply is switched from main power supply to standby power supply and works normally, and continuing to execute the step 7B, otherwise, reporting an error and stopping the test;
and step 7B: and (3) controlling the programmable alternating current variable frequency power supply to input rated alternating current to the fire power supply by the industrial computer, converting the standby power supply into main power supply by the fire power supply, adding 1 to the number of times of the main/standby power conversion, judging whether the number of times of the main/standby power conversion reaches a preset standard of the number of times of the main/standby power conversion, if so, finishing the test, and if not, returning to execute the step 4B.
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