CN114062816B - Electric explosion valve test system and test method thereof - Google Patents
Electric explosion valve test system and test method thereof Download PDFInfo
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- CN114062816B CN114062816B CN202111365240.8A CN202111365240A CN114062816B CN 114062816 B CN114062816 B CN 114062816B CN 202111365240 A CN202111365240 A CN 202111365240A CN 114062816 B CN114062816 B CN 114062816B
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- G—PHYSICS
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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Abstract
The invention discloses an electric explosion valve test system and a test method thereof, belonging to the technical field of electric explosion valves. The invention detects from the aspects of tube sealing property test and safety, the overall scheme, the structural form and the control circuit principle of the test system are reasonable, the test system has the functions of inflating, pressure maintaining, remote quick exhaust and the like, meets the actual requirements of electric explosion valve detonation performance detection, is applied to the detection of multiple batches of products, is convenient to operate, improves the detection quality and efficiency, is popularized and applied to various electric explosion valve detonation typical tests, and has higher practical value.
Description
Technical Field
The invention relates to the technical field of electric explosion valves, in particular to an electric explosion valve test system and a test method thereof.
Background
In the field of aerospace, an electric explosion valve is an execution component instrument for precisely controlling an air path in rocket flight, belongs to a single-point failure product, and has extremely high reliability requirement.
The existing conditions are that reliability tests under actual working conditions of the electric explosion valve cannot be created and simulated in a typical laboratory of the electric explosion valve, test requirements set by test items and product users cannot be combined for detection, different test items cannot be tested in the same working condition environment, reliability and accuracy of the electric explosion valve test cannot be guaranteed, the electric explosion valve has no universality in similar products, and performance data are not necessarily stable and reliable.
Disclosure of Invention
The invention provides an electric explosion valve test system and a test method thereof. The invention detects from the aspects of tube sealing property test and safety, the overall scheme, the structural form and the control circuit principle of the test system are reasonable, the test system has the functions of inflating, pressure maintaining, remote quick exhaust and the like, meets the actual requirements of electric explosion valve detonation performance detection, is applied to the detection of multiple batches of products, is convenient to operate, improves the detection quality and efficiency, is popularized and applied to various electric explosion valve detonation typical tests, and has higher practical value.
In order to achieve the above effects, the present invention provides the following technical solutions: an electric explosion valve test system comprises,
the ignition instrument test circuit is used for controlling and simulating an ignition;
the ignition instrument test circuit comprises a power supply, a power supply indicator lamp, a voltmeter, an ammeter, two sliding resistors, four switches and two signal indicator lamps, wherein the power supply indicator lamp is electrically connected with the power supply, the voltmeter is electrically connected with the power supply, the negative electrode end of the power supply is respectively electrically connected with the two signal indicator lamps through the two switches, the positive electrode end of the power supply is electrically connected with one signal indicator lamp, the signal indicator lamp is electrically connected with the ammeter, the ammeter is electrically connected with the two sliding resistors in sequence, the rest one signal indicator lamp and one sliding resistor are arranged to be a test end through the switch, and the rest one sliding resistor and one signal indicator lamp are arranged to be an ignition end;
the gas transmission detection gas circuit is used for detecting the pressure of the gas circuit and simulating output gas;
the gas transmission detection gas circuit comprises a gas cylinder, a stop valve, a filter, a pressure reducing valve, a pressure detection feedback sensor, an explosion valve detonation armored chamber and an electromagnetic valve, wherein the gas cylinder is provided with three output ends, one of the output ends of the gas cylinder is communicated with the stop valve through the pressure detection feedback sensor, the other output end of the gas cylinder is communicated with the stop valve through one end of a three-way pipeline, the other end of the three-way pipeline is communicated with the filter, the filter is communicated with the explosion valve detonation armored chamber through the pressure detection feedback sensor, the remaining one of the output ends of the gas cylinder is sequentially communicated with the stop valve pressure reducing valve, the electromagnetic valve, the filter and the explosion valve detonation chamber in pairs, one of the pressure detection feedback sensors is communicated with the output end of the pressure reducing valve, and the pressure detection feedback sensor is communicated with the output end of the filter.
The test method of the electric explosion valve test system is applied to the electric explosion valve test system and comprises the following steps of:
step one, installing an igniter and a valve required by explosion valve initiation, and performing high-temperature, low-temperature and vibration test verification on the valve after the completion of the explosion valve initiation.
And secondly, the valve is sent into a final assembly to be connected with a gas cylinder, gas with certain pressure is filled in advance, and when the final assembly is not used, the final assembly is sealed through a diaphragm of an igniter in a partition mode, and good sealing performance of two sides of the diaphragm is required to be maintained.
And thirdly, electrically connecting the igniter to an ignition instrument test circuit, and communicating the gas cylinder and the electric explosion valve to a gas transmission detection gas circuit.
And fourthly, measuring the internal resistance value of the electric explosion valve, enabling the ignition instrument power supply to be in a closed state, connecting a measuring wire column with a resistance measuring instrument, adjusting the measuring sliding resistance, observing that the resistance reaches the required internal resistance value, and not allowing the sliding resistance to rotate after the sliding resistance is adjusted.
And fifthly, dismantling the measuring lead column, turning on a power switch indicator lamp to be on, turning on an analog switch, turning on the analog switch indicator lamp, adjusting the current and the voltage of one sliding resistor, and turning off the analog switch after confirmation.
Step six, before the electric explosion valve ignites, the electric explosion valve is introduced with required pressure through a gas transmission detection gas circuit, tightness is detected, the required temperature is reached, the electric explosion valve is connected with an explosion plug for ignition, an ignition instrument ignition indicator lamp is observed to be in an extinguishing state before the electric explosion valve is connected with the plug, the electric explosion valve end is firstly inserted, then the ignition instrument end is inserted, an ignition button is pressed for ignition, an explosion instrument is closed after the ignition, an instrument end plug is pulled out, one minute is waited after no abnormality, and the pressure and airtight performance test can be finished.
Further, according to the operation step in the step one, the electric explosion valve comprises an air inlet conduit and an air outlet conduit, wherein the air inlet conduit is communicated with the output end of the gas cylinder.
Further, according to the operation step in the second step, the gas cylinder capacity is 10L.
Further, according to the operation step in the third step, the ignition instrument test circuit is provided with a test end and an ignition end, wherein the test end is used for detecting the internal resistance, and the ignition end is used for electric connection of the igniter.
Further, according to the operation step in the fifth step, the measurement lead post is electrically connected with the test end of the ignition instrument test circuit through a switch.
Further, according to the operation step in the fifth step, the current and the voltage of one of the sliding resistors are adjusted, and the voltage is 24V and 5A.
Furthermore, according to the operation step in the step six, the analog switch is turned off after the confirmation and the analog switch indicator light is combined to conduct the extinguishing judgment, the electric explosion valve is introduced with the required pressure through the gas circuit system before the electric explosion valve is ignited, the tightness is detected, and the high-low temperature environment is utilized to ensure that the required temperature is reached by using dry ice and hot purified water.
Further, according to the operation step in the step six, after the heat preservation is carried out for 2 hours, an initiating plug is ready to be connected for initiation, before the plug is connected, the ignition indicator lamp of the ignition instrument is observed to be in an extinguishing state, and the electric explosion valve end is firstly inserted, then the ignition instrument end is inserted, whether the circuit connection of each gas circuit is firm or not is checked, the armored chamber is closed, personnel cleaning surrounding articles are ensured, and the distance is more than or equal to 5 meters.
Further, according to the operation step in the step six, the ignition button is pressed down for detonation, the detonation instrument is closed after the detonation, the instrument end plug is pulled out, one minute is waited after no abnormality, the pressure and air tightness performance test is carried out, and the test is finished after the completion.
The invention provides an electric explosion valve test system and a test method thereof, which have the following beneficial effects:
the invention detects from the aspects of tube sealing property test and safety, the overall scheme, the structural form and the control circuit principle of the test system are reasonable, the test system has the functions of inflating, pressure maintaining, remote quick exhaust and the like, meets the actual requirements of electric explosion valve detonation performance detection, is applied to the detection of multiple batches of products, is convenient to operate, improves the detection quality and efficiency, is popularized and applied to various electric explosion valve detonation typical tests, and has higher practical value.
Drawings
FIG. 1 is a schematic diagram of a test method of an electric explosion valve test system and a test method thereof;
FIG. 2 is a schematic diagram of the circuit connection of the ignition instrument test circuit of the electric explosion valve test system and the test method thereof;
FIG. 3 is a schematic diagram of the gas path communication of a gas transmission detection gas path of an electric explosion valve test system and a test method thereof according to the present invention;
FIG. 4 shows an electric explosion valve structure of the electric explosion valve test system and the electric explosion valve structure applied to a gas transmission detection gas circuit of the test method.
The marks in the figure: 1. a power supply; 2. a power indicator light; 3. a voltmeter; 4. an ammeter; 5. a sliding resistor; 6. a switch; 7. a signal indicator light; 8. a gas cylinder; 9. a stop valve; 10. a filter; 11. a pressure reducing valve; 12. a pressure detection feedback sensor; 13. detonating an armored chamber by using an electric explosion valve; 14. an electromagnetic valve; 101. an igniter nozzle; 102. a housing; 103. a collar; 104. a plug; 105. an outlet filler neck; 106. a diaphragm.
Detailed Description
The invention provides a technical scheme that: referring to fig. 1-3, an electric explosion valve testing system, comprising,
the ignition instrument test circuit is used for controlling and simulating an ignition;
the ignition instrument test circuit comprises a power supply 1, a power supply indicator lamp 2, a voltmeter 3, an ammeter 4, two sliding resistors 5, four switches 6 and two signal indicator lamps 7, wherein the power supply indicator lamp 2 is electrically connected with the power supply 1, the voltmeter 3 is electrically connected with the power supply 1, the negative electrode end of the power supply 1 is respectively electrically connected with the two signal indicator lamps 7 through the two switches 6, the positive electrode end of the power supply is electrically connected with one of the signal indicator lamps 7, the signal indicator lamps 7 are electrically connected with the ammeter 4, the ammeter 4 is sequentially electrically connected with the two sliding resistors 5 in pairs, the remaining one signal indicator lamp 7 and one of the sliding resistors 5 are arranged to be a test end through the switches 6, and the remaining one sliding resistor 5 and one of the signal indicator lamps 7 are arranged to be an ignition end;
the gas transmission detection gas circuit is used for detecting the pressure of the gas circuit and simulating output gas;
the gas transmission detection gas circuit comprises a gas cylinder 8, a stop valve 9, a filter 10, a pressure reducing valve 11, a pressure detection feedback sensor 12, an explosion valve detonation armored chamber 13 and an electromagnetic valve 14, wherein the gas cylinder 8 is provided with three output ends, the output end of one gas cylinder 8 is communicated with the stop valve 9 through the pressure detection feedback sensor 12, the output end of one gas cylinder 8 is communicated with the stop valve 9 through one end of a three-way pipeline, the other end of the three-way pipeline is communicated with the filter 10, the filter 10 is communicated with the explosion valve detonation armored chamber 13 through the pressure detection feedback sensor 12, the output end of the remaining gas cylinder 8 is sequentially communicated with the pressure reducing valve 9, the electromagnetic valve 14, the filter 10 and the explosion valve detonation armored chamber 13 in pairs, one of the pressure detection feedback sensors 12 is communicated with the output end of the pressure reducing valve 11, and one of the pressure detection feedback sensors 12 is communicated with the output end of the filter 10.
The test method of the electric explosion valve test system is applied to the electric explosion valve test system and comprises the following steps of:
step one, installing an igniter and a valve required by explosion valve initiation, and performing high-temperature, low-temperature and vibration test verification on the valve after the completion of the explosion valve initiation.
And secondly, the valve is sent into a final assembly to be connected with a gas cylinder, gas with certain pressure is filled in advance, and when the final assembly is not used, the final assembly is sealed through a diaphragm of an igniter in a partition mode, and good sealing performance of two sides of the diaphragm is required to be maintained.
And thirdly, electrically connecting the igniter to an ignition instrument test circuit, and communicating the gas cylinder and the electric explosion valve to a gas transmission detection gas circuit.
And fourthly, measuring the internal resistance value of the electric explosion valve, enabling the ignition instrument power supply to be in a closed state, connecting a measuring wire column with a resistance measuring instrument, adjusting the measuring sliding resistance, observing that the resistance reaches the required internal resistance value, and not allowing the sliding resistance to rotate after the sliding resistance is adjusted.
And fifthly, dismantling the measuring lead column, turning on a power switch indicator lamp to be on, turning on an analog switch, turning on the analog switch indicator lamp, adjusting the current and the voltage of one sliding resistor, and turning off the analog switch after confirmation.
Step six, before the electric explosion valve ignites, the electric explosion valve is introduced with required pressure through a gas transmission detection gas circuit, tightness is detected, the required temperature is reached, the electric explosion valve is connected with an explosion plug for ignition, an ignition instrument ignition indicator lamp is observed to be in an extinguishing state before the electric explosion valve is connected with the plug, the electric explosion valve end is firstly inserted, then the ignition instrument end is inserted, an ignition button is pressed for ignition, an explosion instrument is closed after the ignition, an instrument end plug is pulled out, one minute is waited after no abnormality, and the pressure and airtight performance test can be finished.
Specifically, according to the operation step in the first step, the electric explosion valve comprises an air inlet conduit and an air outlet conduit, wherein the air inlet conduit is communicated with the output end of the gas cylinder.
Specifically, according to the operation procedure in the second step, the gas cylinder capacity was 10L.
Specifically, according to the operation step in the third step, the ignition instrument test circuit is set to a test end and an ignition end, wherein the test end is used for detecting the internal resistance, and the ignition end is used for electric connection of the igniter.
Specifically, according to the operation step in the fifth step, the measuring wire column is electrically connected with the test end of the ignition instrument test circuit through the switch.
Specifically, according to the operation step in the fifth step, the current and the voltage of one of the sliding resistors are adjusted, and the voltage is 24V and 5A.
Specifically, according to the operation step in the step six, after confirmation, the analog switch is turned off, the analog switch is combined with the analog switch indicator lamp to conduct the extinguishing judgment, the electric explosion valve is introduced with the required pressure through the gas circuit system before the electric explosion valve is ignited, the tightness is detected, and the high-low temperature environment is utilized to ensure that the required temperature is reached by using dry ice and hot purified water.
Specifically, according to the operation steps in the step six, after the heat preservation is carried out for 2 hours, an initiating plug is ready to be connected for initiation, the ignition indicator lamp of the ignition instrument is observed to be in an extinguishing state before the plug connection, the electric explosion valve end is firstly inserted, then the ignition instrument end is inserted, whether the circuit connection of each gas circuit is firm or not is checked, the armored chamber is closed, personnel around objects are cleaned, and the distance is ensured to be more than or equal to 5 meters.
Specifically, according to the operation steps in the step six, an ignition button is pressed to detonate, an detonating instrument is closed after detonating, an instrument end plug is pulled out, one minute is waited after no abnormality exists, pressure and airtight performance tests are carried out, and the test is finished after the completion of the test.
The method of the examples was tested and compared with the prior art to obtain the following data:
according to the table data, when the embodiment is implemented, the electric explosion valve test system and the test method thereof detect from the aspects of sealing property test and safety, the overall scheme, the structural form and the control circuit principle of the test system are reasonable, the test system has the functions of inflating and maintaining pressure, remote quick exhaust and the like, the actual requirements of electric explosion valve detonation performance detection are met, the electric explosion valve test system is applied to the detection of multiple batches of products, the operation is convenient, the detection quality and efficiency are improved, and the electric explosion valve test system is popularized and applied to various electric explosion valve detonation typical tests and has high practical value.
The invention provides an electric explosion valve test system, which comprises an ignition instrument test circuit, a power supply indicator lamp 2, a voltmeter 3, an ammeter 4, two sliding resistors 5, four switches 6 and two signal indicator lamps 7, wherein the power supply indicator lamp 2 is electrically connected with the power supply 1, the voltmeter 3 is electrically connected with the power supply 1, the negative electrode end of the power supply 1 is respectively electrically connected with the two signal indicator lamps 7 through the two switches 6, the positive electrode end of the power supply is electrically connected with one of the signal indicator lamps 7, the signal indicator lamp 7 is electrically connected with the ammeter 4, the ammeter 4 is sequentially electrically connected with the two sliding resistors 5, the rest of the signal indicator lamps 7 and one of the sliding resistors 5 are arranged as test ends through the switches 6, the remaining one sliding resistor 5 and one signal indicator lamp 7 are arranged as an ignition end, a gas transmission detection gas path is used for detecting the pressure of the gas path and simulating output gas, the gas transmission detection gas path comprises a gas cylinder 8, a stop valve 9, a filter 10, a pressure reducing valve 11, a pressure detection feedback sensor 12, an explosion valve detonation armored chamber 13 and an electromagnetic valve 14, the gas cylinder 8 is provided with three output ends, the output end of one gas cylinder 8 is communicated with the stop valve 9 through the pressure detection feedback sensor 12, the output end of one gas cylinder 8 is communicated with the stop valve 9 through one end of a three-way pipeline, the other end of the three-way pipeline is communicated with the filter 10, the filter 10 is communicated with the explosion valve detonation armored chamber 13 through the pressure detection feedback sensor 12, and the output end of the remaining gas cylinder 8 is sequentially communicated with the stop valve 9, the pressure reducing valve 11, the solenoid valve 14, the filter 10, the explosion valve detonating armored chamber 13 are mutually communicated in sequence, wherein one pressure detection feedback sensor 12 is communicated with the output end of the pressure reducing valve 11, one pressure detection feedback sensor 12 is communicated with the output end of the filter 10, and HL0 is: power indicator, PV: voltmeter, SB1-1: analog signal button, SB2-1: ignition signal button, HL1: analog signal indicator lamp, PA: ammeter, R1, R2: adjustable resistance, HL2: ignition signal pilot lamp, SB1-2: analog signal button auxiliary normally closed, K1: and the required high-pressure gas is pre-filled into one end of the electric explosion valve through the stop valve, and K2: and (3) filling the required high-pressure gas into one end of the electric explosion valve through the stop valve, wherein the stop valve is K3: the high-pressure gas added at one end of the explosion valve can be discharged through the stop valve, and K4: the gas bottle is filled with and discharged with required high-pressure gas through the stop valve, J1: the pressure of the high-pressure gas required for adjusting the charging end is given through the pressure reducing valve, and G1 and G2 are as follows: the filter filters impurities in the gas and redundant substances such as igniter powder residues, and J1: the pressure of the high-pressure gas required by the charging end can be regulated through the pressure reducing valve, and the pressure of P1-P4 are as follows: a pressure detection feedback sensor; m: the electromagnetic valve can be remotely operated to charge and discharge air. SB2-2: the ignition signal button assists in normally closed.
The test method of the electric explosion valve test system is applied to the electric explosion valve test system and comprises the following steps of: step one, installing an igniter and a valve required by explosion valve initiation, and after the step one, performing high-temperature, low-temperature and vibration test verification on the valve, wherein the explosion valve comprises an air inlet guide pipe and an air outlet guide pipe, the air inlet guide pipe is mutually communicated with the output end of an air bottle, the step two, the valve is fed into a final assembly, the air bottle is filled with air with certain pressure in advance, when the gas bottle is not used, the gas bottle is sealed through a diaphragm of the igniter in a partition mode, good sealing performance is required to be maintained at two sides of the diaphragm, the air bottle capacity is 10L, the igniter is electrically connected to an ignition instrument test circuit, the air bottle and the explosion valve are communicated to an air transmission detection air circuit, the ignition instrument test circuit is provided with a test end and an ignition end, the test end is used for detecting internal resistance, the ignition end is used for electrical connection of the igniter, the step four, the internal resistance value of the explosion valve is measured, connecting a power supply of an ignition instrument with a resistance measuring instrument at a measuring wire column, adjusting a measuring sliding resistance, observing that the resistance reaches a required internal resistance value, not allowing rotation after the sliding resistance is adjusted, removing the measuring wire column, turning on a power switch indicator lamp to be on, turning on an analog switch, turning on the analog switch indicator lamp to be on, adjusting the current and the voltage of one sliding resistance, turning off the analog switch after confirmation, electrically connecting the measuring wire column with a test end of a test circuit of the ignition instrument through the switch, adjusting the current and the voltage of one sliding resistance to be 24V and the voltage of the current 5A, introducing the required pressure to the electric explosion valve through a gas transmission detection gas circuit before the electric explosion valve is ignited, detecting tightness, reaching the required temperature, starting an explosion plug, observing that the ignition instrument ignition indicator lamp is in an extinguishing state before connecting the plug, the electric explosion valve end is plugged firstly, the ignition instrument end is plugged afterwards, the ignition button is pressed down for detonation, the ignition instrument is closed after detonation, the instrument end plug is pulled out, after no abnormality, one minute is waited for, the pressure and airtight performance test can be finished, after confirmation, the analog switch is turned off, the analog switch is combined with the analog switch to indicate lamp to stop judging, before the electric explosion valve is ignited, the electric explosion valve is charged with required pressure through the air circuit system, the tightness is detected, the required temperature is ensured to be reached by using dry ice and hot purified water in a high-low temperature environment, after heat preservation is carried out for 2 hours, the ignition plug is ready to be connected for detonation, before the plug is connected, the ignition instrument ignition indicator lamp is observed to be in an extinguishing state, and the electric explosion valve end is plugged firstly, after the ignition instrument end is plugged in, whether the air circuit connection of each air circuit is firm or not, an armored chamber is closed, surrounding article staff is cleaned, the distance is more than or equal to 5 meters, after the ignition button is pressed down for detonation, the instrument is closed, the instrument end plug is pulled out, after abnormality is waited for one minute after no abnormality, the pressure and airtight performance test is finished, the test is finished, and the test is finished.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. An electric explosion valve test system is characterized by comprising,
the ignition instrument test circuit is used for controlling and simulating an ignition;
the ignition instrument test circuit comprises a power supply (1), a power supply indicator lamp (2), a voltmeter (3) and an ammeter (4), wherein the power supply indicator lamp (2) is electrically connected with the power supply (1), the voltmeter (3) is electrically connected with the power supply (1), the negative electrode end of the power supply (1) is electrically connected with a first signal indicator lamp and a second signal indicator lamp respectively through a first switch and a second switch, the positive electrode end of the power supply is electrically connected with the first signal indicator lamp, the first signal indicator lamp is electrically connected with the ammeter (4), the ammeter (4) is electrically connected with a first sliding resistor and a second sliding resistor sequentially, the second sliding resistor is arranged to be a test end through a third switch, and the second sliding resistor is arranged to be an ignition end with the first signal indicator lamp through a fourth switch;
the gas transmission detection gas circuit is used for detecting the pressure of the gas circuit and simulating output gas;
the gas transmission detection gas circuit comprises a gas cylinder (8), a pressure reducing valve (11) and an electric explosion valve detonation armored chamber (13), the gas cylinder (8) is provided with three output ends, a first output end is communicated with a fourth stop valve through a first pressure detection feedback sensor, a second output end is communicated with a second stop valve through one end of a three-way pipeline, the other two ends of the three-way pipeline are respectively communicated with a third stop valve and a second filter, the second filter is communicated with the electric explosion valve detonation armored chamber (13) through the fourth pressure detection feedback sensor, the third output end is sequentially communicated with the first stop valve, the pressure reducing valve (11), a first electromagnetic valve, a first filter, the electric explosion valve detonation armored chamber (13) and a second electromagnetic valve in sequence, the second pressure detection feedback sensor is communicated with the output end of the first pressure reducing valve, and the third pressure detection feedback sensor is communicated with the output end of the first filter.
2. A test method of an electric explosion valve test system, which is characterized by being applied to the electric explosion valve test system as claimed in claim 1, and comprising the following steps:
s1, installing an igniter and a valve required by explosion valve initiation, and performing high-temperature, low-temperature and vibration test verification on the valve after the completion of the explosion valve initiation;
s2, the valve is sent into a final assembly to be connected with a gas cylinder, gas with certain pressure is filled in advance, when the gas cylinder is not used, partition sealing is carried out through a diaphragm of an igniter, and good sealing performance of two sides of the diaphragm is required to be maintained;
s3, electrically connecting an igniter to an ignition instrument test circuit, and communicating the gas cylinder and the electric explosion valve to a gas transmission detection gas circuit;
s4, measuring the internal resistance value of the electric explosion valve, enabling the ignition instrument power supply to be in a closed state, connecting a measuring wire column with a resistance measuring instrument, adjusting a measuring sliding resistance, observing that the resistance reaches a required internal resistance value, and not allowing the sliding resistance to rotate after the sliding resistance is adjusted;
s5, dismantling a measuring lead column, turning on a power switch indicator lamp to be on, turning on an analog switch, turning on the analog switch indicator lamp, adjusting the current and the voltage of one sliding resistor, and turning off the analog switch after confirmation;
s6, before the electric explosion valve ignites, the electric explosion valve is introduced with required pressure through a gas transmission detection gas circuit, tightness is detected, the required temperature is reached, the electric explosion valve is connected with an explosion plug for ignition, an ignition instrument ignition indicator lamp is observed to be in an extinguishing state before the electric explosion valve is connected with the plug, the electric explosion valve end is firstly inserted, then the ignition instrument end is inserted, an ignition button is pressed for ignition, an explosion instrument is closed after the ignition, the instrument end plug is pulled out, one minute is waited after no abnormality, and the pressure and airtight performance test can be finished.
3. The method of claim 2, comprising the steps of: according to the operation step in S1, the electric explosion valve comprises an air inlet conduit and an air outlet conduit, wherein the air inlet conduit is communicated with the output end of the gas cylinder.
4. A method of testing an electrically actuated valve testing system as in claim 3, comprising the steps of: according to the operation step in S2, the cylinder capacity is 10L.
5. The method of claim 4, comprising the steps of: according to the operation step in S3, the ignition instrument test circuit is set to a test end and an ignition end, wherein the test end is used for detecting internal resistance, and the ignition end is used for electrical connection of the igniter.
6. The method of claim 5, comprising the steps of: according to the operation step in S5, the measuring wire column is electrically connected with the test end of the ignition instrument test circuit through a switch.
7. The method of claim 6, comprising the steps of: according to the operation step in S5, the current and voltage of one of the sliding resistors are adjusted, and the voltage is 24V and 5A.
8. The method of claim 7, comprising the steps of: and (3) according to the operation step in the step S6, after the confirmation, the analog switch is turned off, the analog switch is combined with the analog switch indicator lamp to conduct the extinguishing judgment, the electric explosion valve is introduced with the required pressure through the gas circuit system before the electric explosion valve is ignited, the tightness is detected, and the high-low temperature environment is utilized to ensure that the required temperature is reached by using dry ice and hot purified water.
9. The method of claim 8, comprising the steps of: according to the operation steps in S6, after heat preservation for 2 hours, an initiation plug is ready to be connected for initiation, before the plug is connected, an ignition indicator lamp of an ignition instrument is observed to be in an extinguishing state, an electric explosion valve end is firstly inserted, then the ignition instrument end is inserted, whether circuit connection of each gas circuit is firm or not is checked, an armored chamber is closed, personnel around objects are cleaned, and the distance is ensured to be more than or equal to 5 meters.
10. The method of claim 9, comprising the steps of: and (3) according to the operation step in the step S6, the ignition button is pressed for detonation, the detonation instrument is closed after the detonation, the instrument end plug is pulled out, one minute is waited after no abnormality exists, the pressure and air tightness performance test is carried out, and the test is finished after the completion of the test.
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| CN103674523B (en) * | 2013-11-29 | 2015-11-25 | 北京宇航系统工程研究所 | A kind of bullet rocket body electric blasting valve reliability index checking test method |
| CN103591338B (en) * | 2013-11-30 | 2016-08-17 | 沈阳航天新光集团有限公司 | A kind of electric detonation valve |
| CN106089445B (en) * | 2016-07-29 | 2018-05-04 | 江西洪都航空工业集团有限责任公司 | The bullet engine that a kind of high-altitude ignition starts |
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2021
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