CN114062816A - 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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- CN114062816A CN114062816A CN202111365240.8A CN202111365240A CN114062816A CN 114062816 A CN114062816 A CN 114062816A CN 202111365240 A CN202111365240 A CN 202111365240A CN 114062816 A CN114062816 A CN 114062816A
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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 pipe sealing performance test and safety, the general 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 requirement of detecting the initiation performance of the electric explosion valve, is applied to the detection of products in multiple batches, is convenient to operate, improves the detection quality and efficiency, is popularized and applied to various typical tests of the initiation of the electric explosion valve, and has strong practical value.
Description
Technical Field
The invention relates to the technical field of an electric explosion valve, in particular to a system and a method for testing the electric explosion valve.
Background
In the aerospace field, the electric explosion valve is an execution part instrument for precisely controlling a gas circuit in rocket flight, belongs to a single-point failure product, and has extremely high reliability requirement.
The existing situation is that reliability test under the actual working condition of the valve cannot be created and simulated in a typical test room of the electric explosion valve, test requirements brought by test items and product users cannot be combined for detection, different test items cannot be tested under the same working condition environment, the reliability and accuracy of the electric explosion valve test cannot be guaranteed, universality does not exist in similar products, and performance data is not necessarily stable and reliable.
Disclosure of Invention
The invention aims to provide an electric explosion valve test system and a test method thereof. The invention detects from the aspects of pipe sealing performance test and safety, the general 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 requirement of detecting the initiation performance of the electric explosion valve, is applied to the detection of products in multiple batches, is convenient to operate, improves the detection quality and efficiency, is popularized and applied to various typical tests of the initiation of the electric explosion valve, and has strong practical value.
In order to achieve the above effects, the present invention provides the following technical solutions: an electric explosion valve test system comprises a test system,
the ignition instrument test circuit is used for controlling the igniter and performing simulation test;
the ignition instrument test circuit comprises a power supply, power indicator lamps, a voltmeter, an ammeter, two sliding resistors, four switches and two signal indicator lamps, wherein the power indicator lamps are electrically connected with the power supply, the voltmeter is electrically connected with the power supply, the negative end of the power supply is respectively electrically connected with the two signal indicator lamps through the two switches, the positive end of the power supply is electrically connected with one of the signal indicator lamps, the signal indicator lamps are electrically connected with the ammeter, the ammeter is electrically connected with the two sliding resistors in sequence, the rest one of the signal indicator lamps and one of the two sliding resistors are set as test ends through the switches, and the rest one of the sliding resistors and one of the signal indicator lamps are set as ignition ends;
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 electric explosion valve detonation armored chamber and an electromagnetic valve, the gas cylinder is provided with three output ends, the output end of one of the gas cylinders is communicated with the stop valve through a pressure detection feedback sensor, the output end of one of the gas cylinders is communicated with the stop valve through one end of a three-way pipeline, the other end of the three-way pipe is communicated with a filter, the filter is communicated with the electric explosion valve initiation armored chamber through a pressure detection feedback sensor, the output end of the rest of the gas cylinders is communicated with a stop valve pressure reducing valve, an electromagnetic valve, the filter and the electric explosion valve initiation armored chamber in sequence, one of the pressure detection feedback sensors is communicated with the output end of the pressure reducing valve, and one of the pressure detection feedback sensors is communicated with the output end of the filter.
A test method of an electric explosion valve test system is applied to the electric explosion valve test system and comprises the following steps:
step one, installing an igniter and a valve which are required by the detonation of the electric explosion valve, and after the igniter and the valve are installed, carrying out high-temperature, low-temperature and vibration test verification on the valve.
And step two, the valve is sent into the final assembly to connect the inlet of the gas cylinder with gas at a certain pressure, and the gas cylinder is sealed in advance by a diaphragm of the igniter when not in use, so that the two sides of the diaphragm must be kept in good sealing performance.
And step three, 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 step four, measuring the internal resistance value of the electric explosion valve, enabling the power supply of an ignition instrument to be in a closed state, connecting a resistance measuring instrument to a measuring string, 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 step five, dismantling the measuring conductor post, turning on a power switch indicator light, turning on an analog switch, turning on the analog switch indicator light, adjusting the current and the voltage of one of the sliding resistors, and turning off the analog switch after confirmation.
And sixthly, before the electric explosion valve is ignited, the required pressure is introduced into the electric explosion valve through a gas transmission detection gas circuit, the tightness is detected, the required temperature is reached, an explosion plug is connected to explode, the ignition indicator lamp of an ignition instrument is observed to be in an extinguishing state in front of the plug, the end of the electric explosion valve is inserted firstly, the end of the ignition instrument is inserted secondly, an ignition button is pressed to explode, the explosion instrument is closed after explosion, the end plug of the instrument is pulled out, one minute is waited after no abnormity, and the pressure and air tightness performance test can be finished.
Further, according to the operation steps in the first step, the electric explosion valve comprises a gas inlet guide pipe and a gas outlet guide pipe, wherein the gas inlet guide pipe is communicated with the output end of the gas cylinder.
Further, according to the operation step in the second step, the capacity of the gas cylinder is 10L.
Further, according to the operation steps in the third step, the testing circuit of the ignition instrument is set to be a testing end and an ignition end, wherein the testing end is used for detecting the internal resistance, and the ignition end is used for electrically connecting the igniter.
Further, according to the operation step in the fifth step, the measuring lead column is electrically connected with the test end of the test circuit of the ignition instrument 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 the current is 5A.
Further, according to the operation steps in the sixth step, after the confirmation, the analog switch is turned off, the analog switch indicator lamp is turned off, the required pressure is introduced into the electric explosion valve through the air path system before the electric explosion valve is ignited to work, the tightness is detected, and the required temperature is ensured to be reached by using dry ice and hot purified water in high and low temperature environments.
Further, according to the operation steps in the sixth step, after heat preservation is carried out for 2 hours, a detonation plug is ready to be connected for detonation, the ignition indicator lamp of the ignition instrument is observed to be in an off state in front of the plug, the electric explosion valve end is inserted firstly, the ignition instrument end is inserted secondly, whether circuit connection of each gas circuit is firm or not is checked, the armored chamber is closed, personnel on the periphery are cleaned, and the distance is guaranteed to be larger than or equal to 5 meters.
Further, according to the operation steps in the sixth step, 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 abnormity occurs, 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 pipe sealing performance test and safety, the general 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 requirement of detecting the initiation performance of the electric explosion valve, is applied to the detection of products in multiple batches, is convenient to operate, improves the detection quality and efficiency, is popularized and applied to various typical tests of the initiation of the electric explosion valve, and has strong practical value.
Drawings
FIG. 1 is a schematic diagram of a testing method of an electric explosion valve testing system and a testing method thereof according to the present invention;
FIG. 2 is a schematic circuit connection diagram of an igniter testing circuit of the electrical explosion valve testing system and the testing method thereof according to the present invention;
FIG. 3 is a schematic diagram of gas circuit communication of a gas transmission detection gas circuit of the electric explosion valve testing system and the testing method thereof;
fig. 4 is an electric explosion valve structure applied to a gas transmission detection gas circuit of the electric explosion valve testing system and the testing method thereof.
The labels in the figure are: 1. a power source; 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 sensing feedback sensor; 13. an electric explosion valve detonating armored chamber; 14. an electromagnetic valve; 101. an igniter mouth; 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 electrical explosion valve testing system includes,
the ignition instrument test circuit is used for controlling the igniter and performing simulation test;
the ignition instrument test circuit comprises a power supply 1, power indicator lamps 2, a voltmeter 3, an ammeter 4, two sliding resistors 5, four switches 6 and two signal indicator lamps 7, wherein the power indicator lamps 2 are electrically connected with the power supply 1, the voltmeter 3 is electrically connected with the power supply 1, the negative end of the power supply 1 is respectively electrically connected with the two signal indicator lamps 7 through the two switches 6, the positive 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, the rest one signal indicator lamp 7 and one of the sliding resistors 5 are set as a test end through the switches 6, and the rest one sliding resistor 5 and one of the sliding resistors 7 are set as 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 path comprises a gas cylinder 8, stop valves 9, filters 10, a pressure reducing valve 11, a pressure detection feedback sensor 12, an electric explosion valve explosion 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 valves 9 through the pressure detection feedback sensor 12, the output end of one gas cylinder 8 is communicated with the stop valves 9 through one end of a three-way pipe, the other end of the three-way pipe is communicated with the filter 10, the filter 10 is communicated with the electric explosion valve explosion chamber 13 through the pressure detection feedback sensor 12, the output end of the other gas cylinder 8 is sequentially communicated with the stop valves 9, the pressure reducing valve 11, the electromagnetic valve 14, the filter 10 and the electric explosion valve explosion chamber 13 in pairs in sequence, one pressure detection feedback sensor 12 is communicated with the output end of the pressure reducing valve 11, one of the pressure sensing feedback sensors 12 is communicatively disposed at the output of the filter 10.
A test method of an electric explosion valve test system is applied to the electric explosion valve test system and comprises the following steps:
step one, installing an igniter and a valve which are required by the detonation of the electric explosion valve, and after the igniter and the valve are installed, carrying out high-temperature, low-temperature and vibration test verification on the valve.
And step two, the valve is sent into the final assembly to connect the inlet of the gas cylinder with gas at a certain pressure, and the gas cylinder is sealed in advance by a diaphragm of the igniter when not in use, so that the two sides of the diaphragm must be kept in good sealing performance.
And step three, 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 step four, measuring the internal resistance value of the electric explosion valve, enabling the power supply of an ignition instrument to be in a closed state, connecting a resistance measuring instrument to a measuring string, 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 step five, dismantling the measuring conductor post, turning on a power switch indicator light, turning on an analog switch, turning on the analog switch indicator light, adjusting the current and the voltage of one of the sliding resistors, and turning off the analog switch after confirmation.
And sixthly, before the electric explosion valve is ignited, the required pressure is introduced into the electric explosion valve through a gas transmission detection gas circuit, the tightness is detected, the required temperature is reached, an explosion plug is connected to explode, the ignition indicator lamp of an ignition instrument is observed to be in an extinguishing state in front of the plug, the end of the electric explosion valve is inserted firstly, the end of the ignition instrument is inserted secondly, an ignition button is pressed to explode, the explosion instrument is closed after explosion, the end plug of the instrument is pulled out, one minute is waited after no abnormity, and the pressure and air tightness performance test can be finished.
Specifically, according to the operation steps in the first step, the electric explosion valve comprises a gas inlet guide pipe and a gas outlet guide pipe, wherein the gas inlet guide pipe is communicated with the output end of the gas cylinder.
Specifically, according to the operation steps in the second step, the capacity of the gas cylinder is 10L.
Specifically, according to the operation steps in the third step, the testing circuit of the ignition instrument is set to be a testing end and an ignition end, wherein the testing end is used for detecting the internal resistance, and the ignition end is used for electrically connecting the igniter.
Specifically, according to the operation steps in the fifth step, the measuring lead column is electrically connected with the test end of the test circuit of the ignition instrument 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 the current is 5A.
Specifically, according to the operation steps in the sixth step, the analog switch is turned off after confirmation, the analog switch indicator lamp is turned off for judgment, required pressure is introduced into the electric explosion valve through the air path system before the electric explosion valve is ignited to work, the tightness is detected, and the required temperature is ensured to be reached by using dry ice and hot purified water in high and low temperature environments.
Specifically, according to the operation steps in the sixth step, after heat preservation is carried out for 2 hours, a detonation plug is ready to be connected for detonation, the ignition indicator lamp of the ignition instrument is observed to be in an off state in front of the plug, the electric explosion valve end is inserted firstly, the ignition instrument end is inserted secondly, whether the circuit connection of each gas circuit is firm or not is checked, the armored chamber is closed, surrounding article personnel are cleaned, and the distance is guaranteed to be larger than or equal to 5 meters.
Specifically, according to the operation steps in the sixth step, an ignition button is pressed down for detonation, a detonation instrument is closed after the detonation, an instrument end plug is pulled out, one minute is waited after no abnormity occurs, pressure and air tightness performance tests are carried out, and the test is finished after the completion.
The method of the examples was performed for detection analysis and compared to the prior art to yield the following data:
according to the table data, when the embodiment is implemented, the electric explosion valve test system and the test method thereof are adopted, the pipe seal performance test and the safety are detected, 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, the actual requirement of the electric explosion valve detonation performance detection is met, the electric explosion valve test system is applied to the detection of products in multiple batches, the operation is convenient, the detection quality and efficiency are improved, the electric explosion valve test system is popularized and applied to various electric explosion valve detonation typical tests, and the electric explosion valve test system has high practical value.
The invention provides an electric explosion valve test system, which comprises an ignition instrument test circuit, wherein the ignition instrument test circuit is used for controlling and simulating an igniter, 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, 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 end of the power supply 1 is respectively electrically connected with the two signal indicator lamps 7 through the two switches 6, the positive 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 and the two sliding resistors 5 are sequentially electrically connected, the rest one signal indicator lamp 7 and one of the sliding resistors 5 are set as a test end through the switch 6, the rest one sliding resistor 5 and one of the signal indicator lamps 7 are set as an ignition end, the gas transmission detection gas path is used for detecting the pressure of the gas path and outputting gas in a simulated mode, the gas transmission detection gas path comprises gas cylinders 8, stop valves 9, filters 10, a pressure reducing valve 11, a pressure detection feedback sensor 12, an electric explosion valve explosion armor chamber 13 and an electromagnetic valve 14, the gas cylinders 8 are provided with three output ends, the output end of one gas cylinder 8 is communicated with the stop valves 9 through the pressure detection feedback sensor 12, the output end of one gas cylinder 8 is communicated with the stop valves 9 through one end of a three-way pipeline, the other end of the three-way pipeline is communicated with the filters 10, the filters 10 are communicated with the electric explosion valve explosion armor chamber 13 through the pressure detection feedback sensor 12, the output end of the rest gas cylinder 8 is communicated with the stop valves 9, the pressure reducing valve 11, the electromagnetic valve 14, the filters 10 and the electric explosion valve explosion armor chamber 13 in sequence 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, wherein the ratio of HL 0: power indicator, PV: voltmeter, SB 1-1: analog signal button, SB 2-1: ignition signal button, HL 1: analog signal indicator lamp, PA: ammeter, R1, R2: adjustable resistance, HL 2: ignition signal indicator lamp, SB 1-2: analog signal button assisted normally closed, K1: one end of the electric explosion valve is pre-filled with required high-pressure gas through the stop valve, and K2: one end of the electric explosion valve is filled with required high-pressure gas through the stop valve, and K3: can discharge the high-pressure gas that electric explosion valve one end was added through this stop valve, K4: the required high-pressure gas is filled into and discharged from the gas cylinder through the stop valve, and the pressure ratio of J1: the pressure of the high-pressure gas required for regulating one end of the charging is given by the pressure reducing valve, G1, G2: the filter filters impurities in the gas and excess such as igniter powder residue, J1: the pressure of high-pressure gas needed for adjusting one end of the charging can be adjusted through the pressure reducing valve, and the pressure of the high-pressure gas P1-P4: a pressure sensing feedback sensor; m: the electromagnetic valve can be remotely operated to charge and discharge air. SB 2-2: the ignition signal button assists in being normally closed.
A test method of an electric explosion valve test system is applied to the electric explosion valve test system and comprises the following steps: step one, an igniter and a valve required by the initiation of the electric explosion valve are installed, after the high temperature, low temperature and vibration test verification is carried out on the valve, the electric explosion valve comprises an air inlet guide pipe and an air outlet guide pipe, wherein the air inlet guide pipe is communicated with the output end of an air bottle, step two, the valve is sent into a general assembly to be connected with an air bottle, gas with certain pressure is filled in advance, when the electric explosion valve is not used, the electric explosion valve is sealed in a separation mode through a diaphragm of the igniter, the two sides of the diaphragm are required to be kept good sealing performance, the capacity of the air bottle is 10L, step three, the igniter is electrically connected onto an ignition instrument test circuit, the air bottle and the electric explosion valve are communicated with a gas transmission detection gas circuit, the ignition instrument test circuit is set to be a test end and an ignition end, wherein the test end is used for the detection of internal resistance, the ignition end is used for the electrical connection of the igniter, step four, the internal resistance of the electric explosion valve is measured, turning off the power supply of an ignition instrument, connecting a resistance measuring instrument to a measuring string, adjusting a measuring sliding resistance, observing that the resistance reaches a required internal resistance value, not allowing the sliding resistance to rotate after the sliding resistance is adjusted, removing the measuring lead string, turning on a power switch indicator lamp, turning on an analog switch indicator lamp, adjusting the current and voltage of one sliding resistance, turning off the analog switch after confirmation, electrically connecting the measuring lead string with the test end of a test circuit of the ignition instrument through a switch, adjusting the current and voltage of one sliding resistance to 24V and 5A, introducing the required pressure to the electric explosion valve through a gas transmission detection gas path before the electric explosion valve is ignited, detecting the tightness, reaching the required temperature, connecting an ignition plug to explode, observing that the ignition indicator lamp of the ignition instrument is in an extinguished state before a plug, inserting an electric explosion valve end firstly, then inserting an ignition instrument end, pressing an ignition button for detonation, closing the detonation instrument after detonation, pulling out an instrument end plug, waiting for one minute after no abnormity, testing the pressure and air tightness, finishing, turning off an analog switch after confirmation, combining an analog switch indicator lamp for extinguishment judgment, introducing required pressure to the electric explosion valve through a gas circuit system before the electric explosion valve ignites, detecting the tightness, ensuring that the required temperature is reached by using dry ice and hot purified water in high and low temperature environments, keeping the temperature for 2 hours, then preparing to be connected to an ignition plug for detonation, observing that the ignition indicator lamp of the ignition instrument is in a quenched state in front of a plug, inserting the electric explosion valve end firstly, then inserting the ignition instrument end, checking whether the circuit connection of each gas circuit is firm, closing an armor chamber, cleaning surrounding articles, ensuring that the distance is more than or equal to 5 meters, pressing the ignition button for detonation, closing the ignition instrument after detonation, and (5) pulling out the plug at the instrument end, waiting for one minute after no abnormity, testing the pressure and the air tightness, and finishing the test after the completion.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 the igniter and performing simulation test;
the ignition instrument test circuit comprises a power supply (1), power indicator lamps (2), a voltmeter (3), an ammeter (4), two sliding resistors (5), four switches (6) and two signal indicator lamps (7), wherein the power indicator lamps (2) are electrically connected with the power supply (1), the voltmeter (3) is electrically connected with the power supply (1), the negative end of the power supply (1) is respectively electrically connected with the two signal indicator lamps (7) through the two switches (6), the positive 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), and the remaining one of the signal indicator lamps (7) and one of the sliding resistors (5) are arranged as a test end through the switch (6), the rest sliding resistor (5) and one signal indicator lamp (7) are set as 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 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 electric explosion valve detonation armored chamber (13) and an electromagnetic valve (14), wherein the gas cylinder (8) is provided with three output ends, one output end of the gas cylinder (8) is communicated with the stop valve (9) through the pressure detection feedback sensor (12), one output end of the gas cylinder (8) is communicated with the stop valve (9) through one end of a three-way pipe, the other end of the three-way pipe is communicated with the filter (10), the filter (10) is communicated with the electric explosion valve detonation chamber (13) through the pressure detection feedback sensor (12), and the other output end of the gas cylinder (8) is sequentially communicated with the stop valve (9), the pressure reducing valve (11) and the electromagnetic valve (14), The electromagnetic valves (14), the filters (10) and the electric explosion valve detonation armor chambers (13) are communicated with one another in sequence, one of the pressure detection feedback sensors (12) is communicated with the output end of the pressure reducing valve (11), and the other pressure detection feedback sensor (12) is communicated with the output end of the filter (10).
2. A test method of an electric explosion valve test system is characterized by being applied to the electric explosion valve test system in any one of claim 1, and comprising the following steps of:
s1, mounting an igniter and a valve required by the detonation of the electric explosion valve, and verifying the valve through high-temperature, low-temperature and vibration tests after the completion of the mounting;
s2, sending the valve into the assembly to connect the inlet with the gas cylinder, pre-charging gas with a certain pressure, and sealing by the membrane of the igniter when not in use, wherein the two sides of the membrane must be kept good sealing performance;
s3, 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;
s4, measuring the internal resistance value of the electric explosion valve, turning off the power supply of the ignition instrument, connecting a resistance measuring instrument to the measuring wire column, adjusting the measuring sliding resistance, and observing that the resistance reaches the required internal resistance value, wherein the sliding resistance is not allowed to rotate after being adjusted;
s5, removing the measuring wire column, turning on a power switch indicator light, turning on an analog switch, turning on the analog switch indicator light, adjusting the current and voltage of one of the sliding resistors, and turning off the analog switch after confirmation;
s6, before the electric explosion valve is ignited, the required pressure is introduced to the electric explosion valve through the gas transmission detection gas circuit, the sealing performance is detected, the required temperature is reached, an explosion plug is connected to explode, the ignition indicator lamp of the ignition instrument is observed to be in an extinguishing state in front of the plug, the end of the electric explosion valve is inserted first, the end of the ignition instrument is inserted later, an ignition button is pressed down to explode, the explosion instrument is closed after exploding, the end plug of the instrument is pulled out, one minute is waited after no abnormity, and the pressure and air tightness performance test can be finished.
3. The test method of the electric explosion valve test system according to claim 2, which is characterized by comprising the following steps: according to the operation step in S1, the squib valve includes a gas inlet conduit and a gas outlet conduit, wherein the gas inlet conduit is in communication with the gas cylinder output end.
4. A method for testing an electrical explosion valve testing system according to claim 3, which comprises the following steps: according to the operation in S2, the cylinder capacity is 10L.
5. The test method of the electric explosion valve test system according to claim 4, which is characterized by comprising the following steps: according to the operation step in S3, the ignition instrument test circuit is configured as a test terminal for internal resistance detection and an ignition terminal for electrical connection of the igniter.
6. The method for testing the electric explosion valve testing system according to claim 5, is characterized by comprising the following steps of: according to the operation step in S5, the measuring lead post is electrically connected with the testing end of the testing circuit of the ignition instrument through the switch.
7. The test method of the electric explosion valve test system according to claim 6, which is characterized by comprising the following steps: according to the operation step in S5, the current and the voltage of one of the sliding resistors are adjusted to be 24V and 5A.
8. The method for testing the electric explosion valve testing system according to claim 7, which is characterized by comprising the following steps: according to the operation steps in S6, after the confirmation, the analog switch is turned off and the analog switch indicator lamp is turned off for judgment, before the electric explosion valve is ignited to work, the required pressure is introduced to the electric explosion valve through the air path system, the tightness is detected, and the required temperature is ensured to be reached by using dry ice and hot purified water in high and low temperature environments.
9. The method for testing the electric explosion valve testing system according to claim 8, which is characterized by comprising the following steps: according to the operation steps in S6, after the heat preservation is carried out for 2 hours, a detonation plug is ready to be connected for detonation, the ignition indicator lamp of the ignition instrument is observed to be in an off state in front of the plug, the electric explosion valve end is inserted firstly, the ignition instrument end is inserted secondly, whether the circuit connection of each gas circuit is firm or not is checked, the armored chamber is closed, personnel cleaning surrounding articles are cleaned, and the distance is guaranteed to be larger than or equal to 5 m.
10. The method for testing the electric explosion valve testing system according to claim 9, which is characterized by comprising the following steps: according to the operation steps in the 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 abnormity occurs, the pressure and air tightness performance test is carried out, and the test is finished after the completion.
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| CN114856864A (en) * | 2022-04-18 | 2022-08-05 | 西安航天发动机有限公司 | Liquid rocket engine electric explosion assembly test device |
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| CN106089445A (en) * | 2016-07-29 | 2016-11-09 | 江西洪都航空工业集团有限责任公司 | The bullet electromotor that a kind of high-altitude ignition starts |
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| CN102926889A (en) * | 2012-10-31 | 2013-02-13 | 北京控制工程研究所 | Method for using bipropellants efficiently |
| CN104595258A (en) * | 2013-10-30 | 2015-05-06 | 北京精密机电控制设备研究所 | Electric explosion type inflating pressure accumulator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114856864A (en) * | 2022-04-18 | 2022-08-05 | 西安航天发动机有限公司 | Liquid rocket engine electric explosion assembly test device |
| CN114856864B (en) * | 2022-04-18 | 2023-07-21 | 西安航天发动机有限公司 | Liquid rocket engine electric explosion assembly test device |
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| CN114062816B (en) | 2023-07-25 |
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