CN106768915B - The electric blasting valve ground polarity test method of satellite bipropellant propulsion system - Google Patents
The electric blasting valve ground polarity test method of satellite bipropellant propulsion system Download PDFInfo
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- CN106768915B CN106768915B CN201611031083.6A CN201611031083A CN106768915B CN 106768915 B CN106768915 B CN 106768915B CN 201611031083 A CN201611031083 A CN 201611031083A CN 106768915 B CN106768915 B CN 106768915B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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Abstract
The invention discloses a kind of electric blasting valve ground polarity test method of satellite bipropellant propulsion system, step includes: step 1, and bleeding reduces the interference of pipeline residual gas；Step 2 judges that electric blasting valve installs polarity to pipeline segmentation inflation/deflation is promoted.The present invention is by differentiating the polarity of electric blasting valves all in system to pipeline segmentation inflation/deflation is promoted, by the step of optimizing pipeline inflation/deflation, inflation/deflation number needed for reducing electric blasting valve ground polarity check.
Description
Technical field
The present invention relates to a kind of electric blasting valve ground polarity test methods, more particularly to a kind of satellite bipropellant propulsion system
Electric blasting valve ground polarity test method.
Background technique
Electric blasting valve is the common parts of bipropellant propulsion system, is divided into normally opened electric blasting valve and normally closed electric blasting valve, is being promoted
After system is welded, whether the polarity for being difficult to distinguish electric blasting valve from appearance is correct, it is therefore desirable to the inspection of ground Reasonable Design Method
Look into the installation polarity of electric blasting valve.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of electric blasting valve ground polarity of satellite bipropellant propulsion system
Test method, by differentiating to the polarity of electric blasting valves all in system, passing through optimization to pipeline segmentation inflation/deflation is promoted
The step of pipeline inflation/deflation, inflation/deflation number needed for reducing electric blasting valve ground polarity check.
The present invention is to solve above-mentioned technical problem by following technical proposals: a kind of satellite bipropellant propulsion system
Electric blasting valve ground polarity test method, step specifically include that
Step 1, bleeding reduce the interference of pipeline residual gas；
Step 2 judges that electric blasting valve installs polarity to pipeline segmentation inflation/deflation is promoted.
Preferably, the step 1 includes:
Step 11 closes the first latching valve, the second latching valve, third latching valve, the 4th latching valve, the self-destruction of the 5th high pressure
Valve, the 11st latching valve, the 12nd latching valve, the 13rd latching valve, the 14th latching valve, the 15th high pressure latching valve, the tenth
Six high pressure latching valves, the 21st latching valve, the 22nd latching valve, the 23rd latching valve, the 24th latching valve, second
15 latching valves, the 26th latching valve；
Step 12 opens the 5th high pressure and reveals valve, unscrews first gas test interface respectively, second gas test connects
Mouth, third gas test interface are observed whether there is or not gas releasing, are released to no gas, by first gas test interface, second gas
Test interface, third gas test interface plug are tightened；
Step 13 opens the 15th high pressure latching valve, the 16th high pressure latching valve, the 25th latching valve, the 20th
Six latching valves unscrew first and valve, third are added to add valve, the 4th plus valve, the 9th plus valve, the tenth plus valve switching nut,
Whether there is or not gases for observation from adding valve to release, and releases to no gas, and first plus valve, third are added valve, the 4th plus valve, the 9th
Add valve, the tenth plus valve switching nut to tighten, closes the 16th high pressure latching valve, the 26th latching valve.
Preferably, the step 2 includes:
Step 2 11, the 9th plus valve access ground charger, filter must be connected, be filled with helium, observation the
One pressure sensor has unchanged, if unchanged, the 16th normally opened electric blasting valve installation polarity is correct；Stop the 9th plus valve confession
Gas closes the 15th high pressure latching valve, and the 16th high pressure latching valve unscrews third and adds valve switching nut, and observation third adds row
Whether there is or not gas outputs for valve, if there is gas output, the 15th high pressure latching valve, the 16th high pressure latching valve output polarity are correct,
18th normally opened electric blasting valve, the 13rd normally opened electric blasting valve installation polarity are correct, tighten third and add valve switching nut；Unscrew second
Gas test interface nut observes the normally opened electric blasting valve of third and the 4th normally opened electric detonation if without gas whether there is or not gas output
Valve installation polarity is correct, tightens second gas test interface switching nut；
Step 2 12, the tenth plus valve access ground charger, filter must be connected, be filled with helium, observation the
Two pressure sensors have unchanged, if unchanged, the 17th normally opened electric blasting valve installation polarity is correct；Stop the tenth plus valve confession
Gas closes the 25th latching valve, opens the 26th latching valve, unscrews the 4th plus valve switching nut, observation the 4th plus row
Whether there is or not gas outputs for valve, if there is gas output, the 25th latching valve, the 26th latching valve output polarity are correct, and the tenth
Nine normally opened electric blasting valves, the 14th normally opened electric blasting valve installation polarity are correct, tighten the 4th plus valve switching nut；Unscrew third gas
Test interface switching nut, observation is whether there is or not gas output, the 5th normally opened electric blasting valve and the 6th normally opened electric blasting valve peace if without gas
It is correct to fill polarity, tightens third gas test interface switching nut；
Step 2 13, first plus valve access ground charger, filter must be connected, be filled with helium, observation the
One pressure sensor, the 8th pressure sensor state, if first pressure sensor and the 8th pressure sensor have obvious rise to become
Change, then the 24th normally opened electric blasting valve, the 25th normally opened electric blasting valve installation polarity are correct, unscrew second plus valve switching spiral shell
Mother, whether there is or not gas outputs for observation, if the first normally opened electric blasting valve, the second normally opened electric blasting valve installation polarity are correct without output, tighten
Second adds valve switching nut, stops gas supply, disconnects first and add valve and ground charger, tightens first plus valve switching spiral shell
It is female；
Step 2 14 closes the 5th high pressure and reveals valve, and second plus valve access ground charger, must connect filtering
Device is filled with helium, unscrews first gas test interface switching nut, has seen whether gas output, if being exported without gas, the
15 normally opened electric blasting valve installation polarity are correct；Ground stops gas supply, opens the 5th high pressure and reveals valve, unscrews first gas test and connects
Mouth, second gas test interface, third gas test interface transfer nut, observation whether have gas output, then the 5th high pressure from
Quick-fried valve, the first check valve, second one-way valve output polarity are correct, stop gas supply, disconnect first and add valve and ground charger,
Tighten second plus valve switching nut；
Step 2 15, opens the 11st latching valve, and third adds valve to access ground charger, must connect filtering
Device is filled with helium, observes the 4th pressure sensor state, if obvious rise, the 11st latching valve output polarity is correct, unscrews
Slender acanthopanax valve switching nut, whether there is or not gas outputs for observation, if exporting without gas, the 22nd normally opened electric blasting valve installs polarity
Correctly；The 12nd latching valve is opened, observation slender acanthopanax valve is whether there is or not gas output, the 12nd latching valve output polarity if having gas
Correctly, stop gas supply, close the 11st latching valve, the 12nd latching valve, to tighten the switching of slender acanthopanax valve without the releasing of obvious gas
Nut；
Step 2 16, opens the 13rd latching valve, and third adds valve to access ground charger, must connect filtering
Device is filled with helium, observes the 5th pressure sensor state, if obvious rise, the 13rd latching valve output polarity is correct, unscrews
Slender acanthopanax valve switching nut, whether there is or not gas outputs for observation, if exporting without gas, the 23rd normally opened electric blasting valve installs polarity
Correctly；The 14th latching valve is opened, observation slender acanthopanax valve is whether there is or not gas output, the 14th latching valve output polarity if having gas
Correctly, stop gas supply, close the 13rd latching valve, tighten slender acanthopanax valve switching nut, unscrew the 7th plus valve switching nut, see
Examine whether there is or not gas output, the 7th normally opened electric blasting valve, the 8th normally opened electric blasting valve installation polarity are correct if without gas, tighten the 7th plus
Valve switching nut；
Step 2 17, opens the 21st latching valve, and the 4th plus valve access ground charger, must connect filtering
Device is filled with helium, observes the 6th pressure sensor state, if obvious rise, the 21st latching valve output polarity is correct, twists
The 6th plus valve switching nut are opened, whether there is or not gas outputs for observation, if exporting without gas, the 20th normally opened electric blasting valve installs polarity
Correctly；The 22nd latching valve is opened, whether there is or not gas outputs for observation the 6th plus valve, and the 22nd latching valve is defeated if having gas
Polarity is correct out, stops gas supply, closes the 21st latching valve, the 22nd latching valve, to tighten the 6th without the releasing of obvious gas
Add valve switching nut；
Step 2 18, opens the 23rd latching valve, and the 4th plus valve access ground charger, must connect filtering
Device is filled with helium, observes the 7th pressure sensor state, if obvious rise, the 23rd latching valve output polarity is correct, twists
The 6th plus valve switching nut are opened, whether there is or not gas outputs for observation, if exporting without gas, the 21st normally opened electric blasting valve installs pole
Property is correct；The 24th latching valve is opened, whether there is or not gas outputs for observation the 6th plus valve, and the 24th latching valve is defeated if having gas
Polarity is correct out, stops gas supply, closes the 23rd latching valve, tightens the 6th plus valve switching nut, unscrews the 8th plus valve
Switching nut, whether there is or not gas outputs for observation, and the 9th normally opened electric blasting valve, the tenth normally opened electric blasting valve are installing polarity just if without gas
Really, the 8th plus valve switching nut are tightened；
Step 2 19, the 7th adds valve to access ground charger, must connect filter, be filled with helium, engine
Firing command, if engine mouth has obvious air-flow to flow out, the 11st normally opened electric blasting valve output polarity is correct, disconnects the 7th plus row
Valve is connect with ground installation charger, is flowed out to engine mouth without obvious air-flow, engine cutoff instruction；
Step 3 ten, the 8th adds valve to access ground charger, must connect filter, be filled with helium, engine point
Fire instruction, if engine mouth has obvious air-flow to flow out, the 12nd normally opened electric blasting valve output polarity is correct, disconnects the 8th plus valve
It connect with ground installation charger, is flowed out to engine mouth without obvious air-flow, engine cutoff instruction.
Preferably, it is 4Mpa that the step 2 11, which is filled with the pressure of helium into step 2 14,.
Preferably, it is 1.5Mpa that the step 2 15, which is filled with the pressure of helium into step 3 ten,.
The positive effect of the present invention is that: the present invention in system by owning to pipeline segmentation inflation/deflation is promoted
The polarity of electric blasting valve is differentiated, by the step of optimizing pipeline inflation/deflation, is reduced and is filled needed for the polarity check of electric blasting valve ground
Deflation number.
Detailed description of the invention
Fig. 1 is the flow diagram of the electric blasting valve ground polarity test method of satellite bipropellant propulsion system of the present invention.
Fig. 2 is structural schematic diagram of the invention.
Specific embodiment
Present pre-ferred embodiments are provided with reference to the accompanying drawing, in order to explain the technical scheme of the invention in detail.
As shown in Figure 1, the invention discloses a kind of electric blasting valve ground polarity test method of satellite bipropellant propulsion system,
Its step specifically includes that
Step 1, bleeding reduce the interference of pipeline residual gas；
Step 2 judges that electric blasting valve installs polarity to pipeline segmentation inflation/deflation is promoted.
As shown in Fig. 2, the step 1 includes:
Step 11, close the first latching valve LV1, the second latching valve LV2, third latching valve LV3, the 4th latching valve LV4,
5th high pressure reveals valve LV5, the 11st latching valve LV11, the 12nd latching valve LV12, the 13rd latching valve LV13, the tenth four selfs
Locking-valve LV14, the 15th high pressure latching valve LV15, the 16th high pressure latching valve LV16, the 21st latching valve LV21, the 20th
Two latching valve LV22, the 23rd latching valve LV23, the 24th latching valve LV24, the 25th latching valve LV25, the 20th
Six latching valve LV26；
Step 12 opens the 5th high pressure and reveals valve LV5, unscrews first gas test interface TP1, second gas examination respectively
Interface TP2, third gas test interface TP3 are tested, observes whether there is or not gas releasing, is released to no gas, first gas test is connect
Mouth TP1, second gas test interface TP2, third gas test interface TP3 plug are tightened；
Step 13 opens the 15th high pressure latching valve LV15, the 16th high pressure latching valve LV16, the 25th latching valve
LV25, the 26th latching valve LV26 unscrew first plus valve MV1, third adds valve MV3, the 4th adds valve MV4, the 9th to add
Valve MV9, the tenth plus valve MV10 switching nut, whether there is or not gases for observation from adding valve to release, and releases to no gas, and first is added
Valve MV1, third add valve MV3, the 4th plus valve MV4, the 9th plus valve MV9, the tenth plus valve MV10 switching nut to tighten,
Close the 16th high pressure latching valve LV16, the 26th latching valve LV26.
The step 2 includes:
Step 2 11, the 9th plus valve MV9 access ground charger, must connect filter, be filled with helium, observe
First pressure sensor PT1 has unchanged, if unchanged, the 16th normally opened electric blasting valve PV16 installation polarity is correct；Stop the
Nine plus valve MV9 gas supply, closes the 15th high pressure latching valve LV15, and the 16th high pressure latching valve LV16 unscrews third and adds valve
MV3 switching nut, observation third adds valve MV3, and whether there is or not gas outputs, if there is gas output, the 15th high pressure latching valve
LV15, the 16th high pressure latching valve LV16 output polarity are correct, the 18th normally opened electric blasting valve PV18, the 13rd normally opened electric blasting valve
PV13 installation polarity is correct, tightens third and adds valve MV3 switching nut；Second gas test interface TP2 switching nut is unscrewed, is seen
It examines whether there is or not gas output, the normally opened electric blasting valve PV4 installation polarity of the normally opened electric blasting valve PV3 and the 4th of third is correct if without gas, twists
Tight second gas test interface TP2 switching nut；
Step 2 12, the tenth plus valve MV10 access ground charger, must connect filter, be filled with helium, see
Examining second pressure sensor PT2 has unchanged, if unchanged, the 17th normally opened electric blasting valve PV17 installation polarity is correct；Stop
Tenth plus valve MV10 gas supply, closes the 25th latching valve LV25, opens the 26th latching valve LV26, unscrews the 4th plus row
Valve MV4 switching nut, whether there is or not gas outputs by observation the 4th plus valve MV4, if there is gas output, the 25th latching valve
LV25, the 26th latching valve LV26 output polarity are correct, the 19th normally opened electric blasting valve PV19, the 14th normally opened electric blasting valve PV14
It is correct that polarity is installed, tightens the 4th plus valve MV4 switching nut；Third gas test interface TP3 switching nut is unscrewed, observation has
The output of no gas, the 5th normally opened normally opened electric blasting valve PV6 installation polarity of electric blasting valve PV5 and the 6th is correct if without gas, tightens the
Three gas test interface TP3 switching nut；
Step 2 13, first plus valve MV1 access ground charger, must connect filter, be filled with helium, observe
First pressure sensor PT1, the 8th pressure sensor PT8 state, if first pressure sensor PT1 and the 8th pressure sensor
PT8 has obvious rise to change, then the 24th normally opened electric blasting valve PV24, the 25th normally opened electric blasting valve PV25 are installing polarity just
Really, second plus valve MV2 switching nut is unscrewed, whether there is or not gas outputs for observation, if without output, the first normally opened electric blasting valve PV1, the
Two normally opened electric blasting valve PV2 installation polarity are correct, tighten second plus valve MV2 switching nut, stop gas supply, disconnect first plus valve
MV1 and ground charger tighten first plus valve MV1 switching nut；
Step 2 14 closes the 5th high pressure and reveals valve LV5, and second plus valve MV2 accesses ground charger, must connect
Filter is connect, helium is filled with, first gas test interface TP1 switching nut is unscrewed, gas output has been seen whether, if without gas
Output, then the 15th normally opened electric blasting valve PV15 installation polarity is correct；Ground stops gas supply, opens the 5th high pressure and reveals valve LV5, twists
First gas test interface TP1, second gas test interface TP2, third gas test interface TP3 switching nut are opened, observation is
No to have gas output, then the 5th high pressure self-destruction valve LV5, the first check valve CV1, second one-way valve CV2 output polarity are correct, stop
Gas supply disconnects first plus valve MV1 and ground charger, tightens second plus valve MV2 switching nut；
Step 2 15, opens the 11st latching valve LV11, and third adds valve MV3 to access ground charger, must connect
Filter is connect, helium is filled with, observes the 4th pressure sensor PT4 state, if obvious rise, the 11st latching valve LV11 output
Polarity is correct, unscrews slender acanthopanax valve MV5 switching nut, and whether there is or not gas outputs for observation, if exporting without gas, the 22nd often
It is correct to open electric blasting valve PV22 installation polarity；The 12nd latching valve LV12 is opened, whether there is or not gas outputs by observation slender acanthopanax valve MV5, if
Having gas, then the 12nd latching valve LV12 output polarity is correct, stops gas supply, closes the 11st latching valve LV11, the 12nd latching valve
LV12, to tighten slender acanthopanax valve MV5 switching nut without the releasing of obvious gas；
Step 2 16, opens the 13rd latching valve LV13, and third adds valve MV3 to access ground charger, must connect
Filter is connect, helium is filled with, observes the 5th pressure sensor PT5 state, if obvious rise, the 13rd latching valve LV13 output
Polarity is correct, unscrews slender acanthopanax valve MV5 switching nut, and whether there is or not gas outputs for observation, if exporting without gas, the 23rd often
It is correct to open electric blasting valve PV23 installation polarity；The 14th latching valve LV14 is opened, whether there is or not gas outputs by observation slender acanthopanax valve MV5, if
Having gas, then the 14th latching valve LV14 output polarity is correct, stops gas supply, closes the 13rd latching valve LV13, tightens slender acanthopanax row
Valve MV5 switching nut is unscrewed the 7th plus valve MV7 switching nut, is observed whether there is or not gas output, the 7th normally opened electricity if without gas
Quick-fried valve PV7, the 8th normally opened electric blasting valve PV8 installation polarity are correct, tighten the 7th plus valve MV7 switching nut；
Step 2 17, opens the 21st latching valve LV21, and the 4th plus valve MV4 accesses ground charger, is sure to
Filter is connected, helium is filled with, observes the 6th pressure sensor PT6 state, if obvious rise, the 21st latching valve LV21
Output polarity is correct, unscrews the 6th plus valve MV6 switching nut, and whether there is or not gas outputs for observation, if exporting without gas, the 20th
Normally opened electric blasting valve PV20 installation polarity is correct；Open the 22nd latching valve LV22, that whether there is or not gases is defeated by observation the 6th plus valve MV6
Out, the 22nd latching valve LV22 output polarity is correct if having gas, stops gas supply, closes the 21st latching valve LV21, the
22 latching valve LV22, to tighten the 6th plus valve MV6 switching nut without the releasing of obvious gas；
Step 2 18, opens the 23rd latching valve LV23, and the 4th plus valve MV4 accesses ground charger, is sure to
Filter is connected, helium is filled with, observes the 7th pressure sensor PT7 state, if obvious rise, the 23rd latching valve LV23
Output polarity is correct, unscrews the 6th plus valve MV6 switching nut, and whether there is or not gas outputs for observation, if exporting without gas, the 20th
One normally opened electric blasting valve PV21 installation polarity is correct；Open the 24th latching valve LV24, that whether there is or not gases is defeated by observation the 6th plus valve MV6
Out, the 24th latching valve LV24 output polarity is correct if having gas, stops supplying, the 23rd latching valve LV23 of closing,
The 6th plus valve MV6 switching nut is tightened, unscrews the 8th plus valve MV8 switching nut, whether there is or not gas outputs for observation, if without gas
Then the 9th normally opened electric blasting valve PV9, the tenth normally opened electric blasting valve PV10 installation polarity are correct, tighten the 8th plus valve MV8 switching nut；
Step 2 19, the 7th plus valve MV7 access ground charger, must connect filter, be filled with helium, start
Machine 490N firing command, if 490N mouthfuls of engine have obvious air-flow to flow out, the 11st normally opened electric blasting valve PV11 output polarity is just
Really, it disconnects the 7th plus valve MV7 to connect with ground installation charger, flows out, start without obvious air-flow to 490N mouthfuls of engine
Machine 490N shutdown command；
Step 3 ten, the 8th plus valve MV8 access ground charger, must connect filter, be filled with helium, engine
490N firing command, if 490N mouthfuls of engine have obvious air-flow to flow out, the 12nd normally opened electric blasting valve PV12 output polarity is correct,
It disconnects the 8th plus valve MV8 to connect with ground installation charger, be flowed out to 490N mouthfuls of engine without obvious air-flow, engine
490N shutdown command.
The pressure that the step 2 11 is filled with helium into step 2 14 is 4Mpa.
The pressure that the step 2 15 is filled with helium into step 3 ten is 1.5Mpa.
In conclusion the present invention is by carrying out the polarity of electric blasting valves all in system to pipeline segmentation inflation/deflation is promoted
Differentiate, by the step of optimizing pipeline inflation/deflation, inflation/deflation number needed for reducing electric blasting valve ground polarity check.
Particular embodiments described above, the technical issues of to solution of the invention, technical scheme and beneficial effects carry out
It is further described, it should be understood that the above is only a specific embodiment of the present invention, is not limited to
The present invention, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in this
Within the protection scope of invention.
Claims (4)
1. a kind of electric blasting valve ground polarity test method of satellite bipropellant propulsion system, which is characterized in that its step includes:
Step 1 promotes bleeding, reduces the interference of pipeline residual gas；
Step 2 judges that electric blasting valve installs polarity to pipeline segmentation inflation/deflation is promoted；
The step 1 includes:
Step 11 closes the first latching valve, the second latching valve, third latching valve, the 4th latching valve, the 5th high pressure and reveals valve,
It is 11st latching valve, the 12nd latching valve, the 13rd latching valve, the 14th latching valve, the 15th high pressure latching valve, the 16th high
Press latching valve, the 21st latching valve, the 22nd latching valve, the 23rd latching valve, the 24th latching valve, the 25th
Latching valve, the 26th latching valve；
Step 12 opens the 5th high pressure and reveals valve, unscrews first gas test interface, second gas test interface, the respectively
Three gas test interfaces are observed whether there is or not gas releasing, are released to no gas, and first gas test interface, second gas are tested
Interface, third gas test interface plug are tightened；
Step 13 opens the 15th high pressure latching valve, the 16th high pressure latching valve, the 25th latching valve, the 26th certainly
Locking-valve unscrews first and valve, third is added to add valve, the 4th plus valve, the 9th plus valve, the tenth plus valve switching nut, observes
Whether there is or not gases from adding valve to release, and releases to no gas, and first plus valve, third are added valve, the 4th plus valve, the 9th plus row
Valve, the tenth plus valve switching nut are tightened, and the 16th high pressure latching valve, the 26th latching valve are closed.
2. the electric blasting valve ground polarity test method of satellite bipropellant propulsion system as described in claim 1, which is characterized in that
The step 2 includes:
Step 2 11, the 9th adds valve to access ground charger, must connect filter, is filled with helium, the first pressure of observation
Force snesor has unchanged, if unchanged, the 16th normally opened electric blasting valve installation polarity is correct；Stop the 9th plus valve gas supply,
The 15th high pressure latching valve is closed, the 16th high pressure latching valve unscrews third and adds valve switching nut, and observation third adds valve to have
No gas output, if there is gas output, the 15th high pressure latching valve, the 16th high pressure latching valve output polarity are correct, and the tenth
Eight normally opened electric blasting valves, the 13rd normally opened electric blasting valve installation polarity are correct, tighten third and add valve switching nut；Unscrew second gas
Test interface switching nut, observation is whether there is or not gas output, the normally opened electric blasting valve of third and the 4th normally opened electric blasting valve peace if without gas
It is correct to fill polarity, tightens second gas test interface switching nut；
Step 2 12, the tenth adds valve to access ground charger, must connect filter, is filled with helium, the second pressure of observation
Force snesor has unchanged, if unchanged, the 17th normally opened electric blasting valve installation polarity is correct；Stop the tenth plus valve gas supply,
The 25th latching valve is closed, the 26th latching valve is opened, unscrews the 4th plus valve switching nut, observation the 4th plus valve have
No gas output, if there is gas output, the 25th latching valve, the 26th latching valve output polarity are correct, and the 19th often
It is correct to open electric blasting valve, the 14th normally opened electric blasting valve installation polarity, tightens the 4th plus valve switching nut；Unscrew third gas test
Interface nut, whether there is or not gas outputs for observation, and the 5th normally opened electric blasting valve and the 6th normally opened electric blasting valve install pole if without gas
Property it is correct, tighten third gas test interface switching nut；
Step 2 13, first adds valve to access ground charger, must connect filter, is filled with helium, the first pressure of observation
Force snesor, the 8th pressure sensor state, if first pressure sensor and the 8th pressure sensor have obvious rise to change,
24th normally opened electric blasting valve, the 25th normally opened electric blasting valve installation polarity are correct, unscrew second plus valve switching nut, observation
Whether there is or not gas outputs, if the first normally opened electric blasting valve, the second normally opened electric blasting valve installation polarity are correct without output, tighten second and add
Valve switching nut, stops gas supply, disconnects first and adds valve and ground charger, tightens first plus valve switching nut；
Step 2 14 closes the 5th high pressure and reveals valve, and second plus valve access ground charger, must connect filter,
It is filled with helium, first gas test interface switching nut is unscrewed, has seen whether gas output, if being exported without gas, the tenth
Five normally opened electric blasting valve installation polarity are correct；Ground stops gas supply, opens the 5th high pressure and reveals valve, unscrews first gas test and connects
Mouth, second gas test interface, third gas test interface transfer nut, observation whether have gas output, then the 5th high pressure from
Quick-fried valve, the first check valve, second one-way valve output polarity are correct, stop gas supply, disconnect first and add valve and ground charger,
Tighten second plus valve switching nut；
Step 2 15, opens the 11st latching valve, and third adds valve to access ground charger, must connect filter, fill
Enter helium, observe the 4th pressure sensor state, if obvious rise, the 11st latching valve output polarity is correct, unscrews the 5th
Add valve switching nut, whether there is or not gas outputs for observation, if exporting without gas, the 22nd normally opened electric blasting valve installation polarity is just
Really；Open the 12nd latching valve, observation slender acanthopanax valve is whether there is or not gas output, and the 12nd latching valve output polarity is being just if having gas
Really, stop gas supply, close the 11st latching valve, the 12nd latching valve, to tighten slender acanthopanax valve switching spiral shell without the releasing of obvious gas
It is female；
Step 2 16, opens the 13rd latching valve, and third adds valve to access ground charger, must connect filter, fill
Enter helium, observe the 5th pressure sensor state, if obvious rise, the 13rd latching valve output polarity is correct, unscrews the 5th
Add valve switching nut, whether there is or not gas outputs for observation, if exporting without gas, the 23rd normally opened electric blasting valve installation polarity is just
Really；Open the 14th latching valve, observation slender acanthopanax valve is whether there is or not gas output, and the 14th latching valve output polarity is being just if having gas
Really, stop gas supply, close the 13rd latching valve, tighten slender acanthopanax valve switching nut, unscrew the 7th plus valve switching nut, observation
Whether there is or not gas outputs, and the 7th normally opened electric blasting valve, the 8th normally opened electric blasting valve installation polarity are correct if without gas, tighten the 7th plus row
Valve switching nut；
Step 2 17 opens the 21st latching valve, and the 4th plus valve access ground charger, must connect filter,
It is filled with helium, observes the 6th pressure sensor state, if obvious rise, the 21st latching valve output polarity is correct, unscrews
6th adds valve switching nut, and whether there is or not gas outputs for observation, if exporting without gas, the 20th normally opened electric blasting valve installation polarity is just
Really；Opening the 22nd latching valve, observation the 6th plus valve, whether there is or not gas outputs, and the 22nd latching valve exports if having gas
Polarity is correct, stops gas supply, closes the 21st latching valve, the 22nd latching valve, adds to tighten the 6th without the releasing of obvious gas
Valve switching nut；
Step 2 18 opens the 23rd latching valve, and the 4th plus valve access ground charger, must connect filter,
It is filled with helium, observes the 7th pressure sensor state, if obvious rise, the 23rd latching valve output polarity is correct, unscrews
6th adds valve switching nut, and whether there is or not gas outputs for observation, if exporting without gas, the 21st normally opened electric blasting valve installs polarity
Correctly；Opening the 24th latching valve, observation the 6th plus valve, whether there is or not gas outputs, and the 24th latching valve exports if having gas
Polarity is correct, stops supplying, and closes the 23rd latching valve, tightens the 6th plus valve switching nut, unscrews the 8th plus valve turn
Connected nut, whether there is or not gas outputs for observation, and the 9th normally opened electric blasting valve, the tenth normally opened electric blasting valve installation polarity are correct if without gas,
Tighten the 8th plus valve switching nut；
Step 2 19, the 7th adds valve to access ground charger, must connect filter, be filled with helium, engine ignition
Instruction, if engine mouth has obvious air-flow to flow out, the 11st normally opened electric blasting valve output polarity is correct, disconnect the 7th plus valve with
The connection of ground installation charger, flows out to engine mouth without obvious air-flow, engine cutoff instruction；
Step 3 ten, the 8th adds valve to access ground charger, must connect filter, be filled with helium, engine ignition refers to
It enables, if engine mouth has obvious air-flow to flow out, the 12nd normally opened electric blasting valve output polarity is correct, disconnects the 8th and adds valve and ground
The connection of face equipment charger, flows out to engine mouth without obvious air-flow, engine cutoff instruction.
3. the electric blasting valve ground polarity test method of satellite bipropellant propulsion system as claimed in claim 2, which is characterized in that
The pressure that the step 2 11 is filled with helium into step 2 14 is 4Mpa.
4. the electric blasting valve ground polarity test method of satellite bipropellant propulsion system as claimed in claim 2, which is characterized in that
The pressure that the step 2 15 is filled with helium into step 3 ten is 1.5Mpa.
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| CN109975126A (en) * | 2019-03-26 | 2019-07-05 | 中国空间技术研究院 | A kind of spacecraft chemical propulsion system propellant receptacle storing module polarity test method |
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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 |
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