CN109459242A - Solid propellant rocket high speed spin testing bench control system - Google Patents
Solid propellant rocket high speed spin testing bench control system Download PDFInfo
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- CN109459242A CN109459242A CN201811605976.6A CN201811605976A CN109459242A CN 109459242 A CN109459242 A CN 109459242A CN 201811605976 A CN201811605976 A CN 201811605976A CN 109459242 A CN109459242 A CN 109459242A
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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
- G01M15/00—Testing of engines
- G01M15/02—Details or accessories of testing apparatus
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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
- G01M15/00—Testing of engines
- G01M15/04—Testing internal-combustion engines
- G01M15/05—Testing internal-combustion engines by combined monitoring of two or more different engine parameters
Abstract
Solid propellant rocket high speed spin testing bench control system disclosed by the invention, belongs to solid propellant rocket rotation test field.The present invention includes control system, measuring system, Data acquisition and storage system and security system.When the high speed spin testing stand revolving speed needed for test is less than or equal to 2000rpm, the transmission of control signal and test data is carried out using slip ring in the prior art by low speed signal transmission module, realizes control high speed spin testing stand；When the high speed spin testing stand revolving speed needed for test is 2000-20000rpm, high-speed control signal and test data are transmitted through the transmission that wireless transport module carries out control signal, realize control high speed spin testing stand and transmission test data.The present invention can control solid propellant rocket high speed spin testing stand, and can be realized the acquisition and storage of test data under the conditions of high speed spins, to meet console to the control of high speed spin bench test device and effective transmission of its test data.The high speed velocity interval refers to 2000-20000rpm.
Description
Technical field:
The invention belongs to pilot systems under the conditions of solid propellant rocket rotation test field more particularly to high speed spinning
Control and measurement.
Background technique:
Rotation test system is the important tests equipment in the fields such as Aeronautics and Astronautics, automobile, can be flown in laboratory simulation
The motion state of the high-speed rotary part under actual operating conditions such as machine, guided missile, automobile, to carry out aircraft, guided missile, automobile etc.
The experimental study of complete machine and its associated components under high rotational speeds.The fields such as Aeronautics and Astronautics, automobile can greatly be improved
The development of experimental technique.
The experimental study hand of aero-engine, guided missile, solid propellant rocket, the performance of propellant under the conditions of high speed spin
Section has very important effect to the performance for improving the equipments such as aero-engine, solid propellant rocket.
Carry out combustibility research under the conditions of high speed spins of solid propellant rocket internal ballistics attributes and solid propellant,
There is great influence to the processing technology for improving propulsion charge and the mechanical property for improving powder charge, be equipment model development
Technical support, to improve solid engines performance have important theory significance and engineering application value.
Solid propellant rocket high speed spin testing stand is the basis for carrying out spin test, the measurement control of existing testing stand
Scheme is not able to satisfy effective, the stable transmission that signal and measurement data are controlled under up to 20000rpm revolving speed.
Chinese utility model patent (number of patent application: 201720667933.5) discloses a kind of " multifunctional measurement and control test
Device and multifunctional measurement and control system ", the multifunctional measurement and control experimental rig of the utility model is by detection, control based on PLC controller
The functions such as system are integrated in one, and can detect to pressure, temperature etc., and can control frequency converter, stepper motor etc..The survey
Control system can only be used to the control of ordinary test device and measurement, cannot be satisfied with the measurement and control signal data under high rotational speeds
Transmission.
Summary of the invention:
Solid propellant rocket high speed spin testing bench control system purpose disclosed by the invention is: providing a kind of application
In solid propellant rocket high speed spin testing stand TT&C system, can to solid propellant rocket high speed spin testing stand into
Row control, and can be realized the acquisition and storage of test data under the conditions of high speed spins, it spins to meet console to high speed
The control of bench test device and effective transmission of its test data.The high speed velocity interval refers to 2000-20000rpm.
The purpose of the present invention is what is be achieved through the following technical solutions.
Solid propellant rocket high speed spin testing bench control system disclosed by the invention, including control system, measurement system
System, Data acquisition and storage system and security system.
Measurand is solid propellant rocket, and controlled device is high speed spin test table top, measurand and controlled pair
As being referred to as working portion.The high speed spin testing stand includes drive part, running part and working portion.The driving portion
Divide and mainly provides power by variable-frequency motor for high speed spin testing stand.The running part is connected with the drive part,
The running part is mainly made of transmission shaft and gearbox.Variable-frequency motor is used to drive speed increaser leading portion to thousand turns and measure
Grade, solid propellant rocket is fixed on the high speed spin test table top of working portion and is tested, using gearbox by work
Revolving speed needed for part takes 20000rpm or more to.
Control system for controlling variable-frequency motor, thus control the starting of high speed spin test table top, stop, operating revolving speed with
And control solid propellant rocket igniting sequential.Control system includes remote console, firing circuit.
Measuring system is used to survey data-signal caused by solid propellant rocket and high speed spin test table top
Amount.Measuring system needs to select respective type sensor and signal condition transmission circuit according to test, and the sensor includes
Pressure sensor, temperature sensor, thrust pickup, speed probe, vibrating sensor.
Signal transmission module realizes following function: the control signal that 1. transmission control system issues, and control signal is passed
Transport to high speed spin testing stand；2. the test data for passing measuring system acquisition back gives Data acquisition and storage system.Signal transmission
Module includes low speed signal transmission module and high speed transmission of signals module.Low speed signal transmission module uses cunning in the prior art
Ring carries out the transmission of control signal and test data.High speed transmission of signals module includes unclassified working method according to the needs of use
With two kinds of operating modes of security work mode；When unclassified working method, high speed transmission of signals module is wireless transport module,
The control signal of remote console is reached the free testing stand of high speed by wireless transport module, and is passed test data back and acquired to data
With storage system.When security work mode, wireless transmission cannot be guaranteed the safe transmission of measurement data, consider signal transmission peace
Complete and data confidentiality requirement, high-speed control signal carry out the transmission of control signal with wireless transport module, integrate control module
Test data returned data is acquired and storage system.And the test data of storage measuring system is acquired, after to be tested, lead to
Wired mode is crossed to be transferred out test data.
The low speed velocity interval: revolving speed≤2000rpm；The high speed velocity interval: 2000rpm < revolving speed≤
20000rpm。
The Data acquisition and storage system mainly has integrated control module, and integrating control module includes acquisition data institute
Need programmable power supply, acquisition and storage card, the integrated control module be integrated in high speed spin test table top on, follow high speed from
Rotation test table top rotation is acquired test data and stores for receiving the test data of signal transmission module transmission.Institute
Stating test data includes the test data that timing and measuring system measure, and the test data that measuring system measures includes number pressure
According to, thrust data, rotary speed data, duration of ignition data.
Security system and control system cooperating, for starting control in the case where security system meets safety requirements
System, the safety of common guarantee complete test process.Security system includes engine igniting circuit detection circuit, testing ground prison
Slowdown monitoring circuit and the chain circuit of door machine.Firing circuit detection is for preceding to solid propellant rocket on turntable in turntable rotation
Ignition apparatus control circuit access detected.
The firing circuit includes ignition control, igniting execution two parts.It is logical in tripper state-detection firing circuit
When road and the chain closing of circuit of door machine, ignition control output issues firing command, puts after igniter work or electric current is output to
In the ignition wire of solid propellant rocket, ignition control detects igniting unit state, at the same time Data acquisition and storage system
Ignition control Timing Signal is acquired and stored.
Preferably, control system is configured to variable-frequency motor frequency converter by being directly operated with manual switches
Start and stop and revolving speed are controlled, and frequency converter is connect by serial ports with computer system, frequency converter is directly controlled by computer thus
The start and stop and revolving speed of motor are controlled, the start and stop and revolving speed control of drive part variable-frequency motor are realized by control frequency converter
System.
Preferably, further including data analysis system, analysis system is used to acquire data and be tested with storage system
Data are analyzed, and visualized data statistics and analysis are formed.
Preferably, the output signal of control signal and return that control system issues needs the front end by acquisition system
Conditioning and long line conditioning module carry out signal condition.
Preferably, the integrated control module part is made into the cylindrical device of rotary shaft diameter, inside is used
Sealant sealing fills, it is ensured that the reliability of integrated control module electronic component, while cylindrical device is fixed on the top of spin axis
End is reduced on the high speed spin dynamically balanced influence of experimental bench.
The working method of solid propellant rocket high speed spin testing bench control system disclosed by the invention, including walk as follows
It is rapid:
Step 1: control system and measuring system power on, and control system and measuring system return and work normally signal, peace
Total system power on self test, firing circuit detection circuit reach access, and without personnel in testing ground, door machine is chain for testing ground monitoring
Closing of circuit detection；
Step 2: revolving speed needed for setting, control system issue control signal, will control signal by signal transmission module and pass
Transport to the variable-frequency motor of high speed spin testing stand, the starting of control high speed spin testing stand, stopping, operating revolving speed and solid-rocket hair
Motivation igniting.When the high speed spin testing stand revolving speed needed for test is less than or equal to 2000rpm, adopted by low speed signal transmission module
The transmission of control signal and test data is carried out with slip ring in the prior art, realizes control high speed spin testing stand.Work as test
When required high speed spin testing stand revolving speed is 2000-20000rpm, high speed transmission of signals is controlled by wireless transport module
Control high speed spin testing stand is realized in the transmission of signal.
Step 3: variable-frequency motor is used to drive speed increaser leading portion to thousand turns of magnitudes, using gearbox by working portion band
Revolving speed needed within to 20000rpm, solid propellant rocket are fixed on the high speed spin test table top of working portion, control
System processed issues solid propellant rocket ignition control signal, controls solid propellant rocket igniting sequential, and solid-rocket starts
Machine ignition operation.
Step 4: measuring system measures data-signal caused by solid propellant rocket, and test data includes
The test data that timing and measuring system measure, the test data that measuring system measures include pressure data, thrust data, revolving speed
Data, duration of ignition data.
Step 5: high speed transmission of signals module includes unclassified working method and two kinds of security work sides according to the needs of use
Formula operating mode；When unclassified working method, high speed transmission of signals module carries out test data by wireless transport module
Transmission.When security work mode, high speed transmission of signals module follows high speed spin testing stand rotation, by integrating control module
Test data, after to be tested, is transferred out by the acquisition and storage for carrying out test data by way of wire transmission.
Further include step 6: Data acquisition and storage system obtains test data and is analyzed by data analysis system,
Form visualized data statistics.
The utility model has the advantages that
1, solid propellant rocket spin testing bench control system is only able to satisfy revolving speed by slip ring in the prior art
2000rpm test demand below, solid propellant rocket high speed spin testing bench control system disclosed by the invention, can be right
Solid propellant rocket high speed spin testing stand is controlled, and can be realized data under the conditions of 2000rpm or more spins at a high speed
Acquisition and storage, thus meet console to high speed spin bench test device control and its test data effective biography
It is defeated.
2, solid propellant rocket spin testing bench control system mostly uses slip ring to carry out power supply and data in the prior art
The transmission of signal, the slip ring frictional dissipation when revolving speed is greater than 2000rpm of high speed spin testing stand is serious, and frequency is needed in test
Numerous replacement slip ring, causes the test period period long, and test equipment consumption costs is high.Solid propellant rocket disclosed by the invention is high
Speed spin testing bench control system, can to avoid frequently replaced under high-speed test (HST) slip ring, improve test efficiency, shorten test week
Phase and reduction experimentation cost.
3, solid propellant rocket high speed spin testing bench control system disclosed by the invention, can satisfy different safety levels
Other data signal transmission, high speed transmission of signals module include unclassified working method and two kinds of security works according to the needs of use
Mode operating mode, when unclassified working method, high speed transmission of signals module carries out the biography of test data by wireless transmission
It is defeated.When security work mode, high speed transmission of signals module follows high speed spin testing stand rotation, by integrated control module into
The acquisition and storage of row test data, after to be tested, by test data transfer processing by way of wire transmission.
4, solid propellant rocket high speed spin testing bench control system disclosed by the invention, by security system and control system
System cooperating, for starting control system, common guarantee complete test in the case where security system meets all safety requirements
The safety of process personnel and equipment.Security system include engine igniting circuit detection circuit, testing ground observation circuit with
And the chain circuit of door machine.Control circuit access of the firing circuit detection for ignition wire before rotating to the free testing stand of high speed carries out
Detection；Testing ground observation circuit is used for monitoring field personnel state；The chain circuit of door machine is for determining high speed spin testing stand
And laboratory safety.
5, solid propellant rocket high speed spin testing bench control system disclosed by the invention, modularization assembling, signal number
According to the reliable feature of transmission stable storage.
6, solid propellant rocket high speed spin testing bench control system disclosed by the invention, through the above technical solutions,
It can satisfy and be operated with manual switches under different scenes or the demand for control of computer, pass through test data under high and low revolving speed
Different transmission schemes meet the needs of signal data transmission safety and data confidentiality.
Detailed description of the invention
Fig. 1 is solid propellant rocket high speed spin each subsystem function constitution map of testing bench control system of the present invention.
Fig. 2 is the schematic diagram of solid propellant rocket high speed spin testing bench control system of the present invention.
Wherein: 1-variable-frequency motor, 2-transmission shafts, 3-gearboxes, 4-integrated control modules, 4-1-programmable power supply, 4-
2-acquisition and storage cards, 4-3-firing circuit, 5-solid propellant rockets, 6-high speed spin test table tops, 7-sensings
Device, 8-signal condition transmission circuits, 9-remote consoles, 10-1-wireless transport module 1,10-2-wireless transport module 2,
11-slip rings.
Fig. 3 is the work flow diagram of solid propellant rocket high speed spin testing bench control system of the present invention.
Fig. 4 is solid propellant rocket high speed spin testing bench control system ignition circuit schematic diagram of the present invention.
Specific embodiment:
The present invention is described in detail below in conjunction with drawings and examples, while also describing technical solution of the present invention
The technical issues of solution and beneficial effect, it should be pointed out that described embodiment is intended merely to facilitate the understanding of the present invention,
And any restriction effect is not played to it.
Embodiment 1:
The present embodiment is quasi- to test the solid propellant rocket that revolving speed is 12000rpm, and test objective is to obtain this turn
Pressure, temperature, the thrust, firing data of the lower engine of speed, test carry out under security work mode, test resulting data and mention
Supply scientific research analysis.
As shown in Figure 1, the high speed spin testing bench control system of solid propellant rocket disclosed in the present embodiment, including control
System, measuring system, Data acquisition and storage system and security system, further include data analysis system.
Measurand is solid propellant rocket, and controlled device is high speed spin test table top, measurand and controlled pair
As being referred to as working portion.The high speed spin testing stand includes drive part, running part and working portion.The driving portion
Divide and mainly provides power by variable-frequency motor 1 for high speed spin testing stand.The running part is connected with the drive part,
The running part is mainly made of transmission shaft 2 and gearbox 3.Variable-frequency motor 1 is used to drive 3 leading portion of speed increaser to thousand turns
Magnitude, solid propellant rocket 5 are fixed on the high speed spin test table top 6 of working portion and are tested, will using gearbox
Revolving speed needed for working portion takes 20000rpm or more to.
Control system is for controlling variable-frequency motor 1, to control the starting of high speed spin test table top 6, stop, operating revolving speed
And control 5 igniting sequential of solid propellant rocket.Control system includes remote console 9, firing circuit 4-3.
Measuring system is for measuring data-signal caused by solid propellant rocket.Measuring system is according to test
It needs to select respective type sensor 7 and signal condition transmission circuit 8, the sensor 7 includes pressure sensor, temperature biography
Sensor, thrust pickup, speed probe, vibrating sensor.
Signal transmission module realizes following function: the control signal that 1. transmission control system issues, and control signal is passed
Transport to high speed spin testing stand；2. the test data for passing measuring system acquisition back gives Data acquisition and storage system.Signal transmission
Module includes low speed signal transmission module and high speed transmission of signals module.Low speed signal transmission module uses cunning in the prior art
Ring 11 carries out the transmission of control signal and test data.High speed transmission of signals module includes unclassified work side according to the needs of use
Two kinds of operating modes of formula and security work mode；When unclassified working method, high speed transmission of signals module is wireless transmission mould
The control signal of remote console 9 is reached the free testing stand of high speed by block 10, wireless transport module 11, and pass back test data to
Data acquisition and storage system.When security work mode, wireless transmission cannot be guaranteed the safe transmission of measurement data, consider letter
Number transmission safety and data confidentiality requirement, high-speed control signal with wireless transport module 10 carry out control signal transmission, collection
Test data returned data is acquired and storage system at control module 4.And the test data of storage measuring system is acquired, wait try
After testing, test data is transferred out by wired mode.
The Data acquisition and storage system mainly has integrated control module 4, and integrating control module 4 includes acquisition data
Required programmable power supply 4-1, acquisition and storage card 4-2, the integrated control module 4 are integrated on high speed spin test table top 6,
It follows high speed spin test table top 6 to rotate, for receiving the test data of signal transmission module transmission, test data is adopted
Collect and stores.The test data includes the test data that timing and measuring system measure, the test data that measuring system measures
Including pressure data, thrust data, rotary speed data, duration of ignition data.
Security system and control system cooperating, for starting control in the case where security system meets safety requirements
System, the safety of common guarantee complete test process.Security system includes engine igniting circuit detection circuit, testing ground prison
Slowdown monitoring circuit and the chain circuit of door machine.Firing circuit detection is for the control before turntable rotation to the igniter on turntable
Circuit pathways are detected；Testing ground observation circuit is used for monitoring field personnel state；The chain circuit of door machine is high for determining
Speed spin testing stand and laboratory safety.
As shown in figure 4, the firing circuit 4-3 includes ignition control, igniting execution two parts.It is examined in tripper state
When measuring point ignition circuit access and the chain circuit detection of door machine are closed, ignition control output issues firing command, igniter work
Point or electric current are output in the ignition wire of solid propellant rocket afterwards, and ignition control detection igniting unit state counts at the same time
Ignition control Timing Signal is acquired and stored according to acquisition and storage system.
Control system, which passes through directly to be operated with manual switches, to be configured to the start and stop to variable-frequency motor and turns to frequency converter
Speed is controlled, and frequency converter is connect by serial ports with computer system, directly controls frequency converter by computer to motor
Start and stop and revolving speed are controlled, and realize that the start and stop of drive part variable-frequency motor and revolving speed are controlled by control frequency converter.
Analysis system is used to obtain test data with storage system to data acquisition to analyze, and forms visualized data system
Meter and analysis.
The output signal of control signal and return that control system issues needs the conditioning of the front end by acquisition system and length
Line conditioning module carries out signal condition.
4 part of integrated control module is made into the cylindrical device of rotary shaft diameter, inside sealant sealing
It fills, it is ensured that the reliability of integrated 4 electronic component of control module, while cylindrical device is fixed on the top of spin axis, reduces
On the high speed spin dynamically balanced influence of experimental bench.
The high speed spin testing bench control system working method of solid propellant rocket disclosed in the present embodiment, specific implementation step
It is rapid as follows:
Step 1: control system and measuring system power on, and control system and measuring system return and work normally signal, peace
Total system power on self test, firing circuit detection circuit reach access, and without personnel in testing ground, door machine is chain for testing ground monitoring
Circuit detection closure；
Step 2: for revolving speed needed for setting as 12000rpm, control system issues control signal, will by signal transmission module
Control signal be transmitted to high speed spin testing stand variable-frequency motor, control high speed spin testing stand starting, stop, operating revolving speed and
Solid propellant rocket igniting.High speed spin testing stand revolving speed needed for test is higher than 2000rpm, and high speed transmission of signals passes through wireless
Transmission module carries out the transmission of control signal, realizes control high speed spin testing stand.
Step 3: variable-frequency motor is used to drive speed increaser leading portion to thousand turns of magnitudes, using gearbox 3 by working portion band
To required 12000rpm revolving speed, solid propellant rocket is fixed on the high speed spin test table top of working portion, control system
System issues solid propellant rocket ignition control signal, controls solid propellant rocket igniting sequential, solid propellant rocket point
Firer makees.
Step 4: measuring system measures data-signal caused by solid propellant rocket, and test data includes
The test data that timing and measuring system measure, the test data that measuring system measures include pressure data, temperature data, thrust
Data, rotary speed data, duration of ignition data.
Step 5: this test requirements document security work mode, therefore high speed transmission of signals module follows high speed spin testing stand
Rotation carries out the acquisition and storage of test data by integrating control module, after to be tested, by way of wire transmission
Test data is transferred out.
Step 6: Data acquisition and storage system obtains test data and is analyzed by data analysis system, and formation can
Depending on changing data statistics.
Above-described specific descriptions have carried out further specifically the purpose of invention, technical scheme and beneficial effects
It is bright, it should be understood that the above is only a specific embodiment of the present invention, the protection model being not intended to limit the present invention
It encloses, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in the present invention
Protection scope within.
Claims (10)
1. solid propellant rocket high speed spin testing bench control system, it is characterised in that: including control system, measuring system,
Data acquisition and storage system and security system；
Measurand is solid propellant rocket, and controlled device is high speed spin test table top, measurand and controlled device system
Claim working portion；The high speed spin testing stand includes drive part, running part and working portion；The drive part master
Power is provided for high speed spin testing stand by variable-frequency motor (1)；The running part is connected with the drive part, institute
The running part stated mainly is made of transmission shaft (2) and gearbox (3)；Variable-frequency motor (1) is used to drive speed increaser (3) leading portion
To thousand turns of magnitudes, solid propellant rocket (5) is fixed in high speed spin test table top (6) of working portion and is tested, benefit
With gearbox to working portion is taken to required revolving speed；
Control system is for controlling variable-frequency motor (1), to control high speed spin test table top (6) starting, stop, operating revolving speed
And control solid propellant rocket (5) igniting sequential；Control system includes remote console (9), firing circuit (4-3)；
Measuring system is for measuring data-signal caused by solid propellant rocket；Measuring system is according to test needs
It selects respective type sensor (7) and signal condition transmission circuit (8), the sensor (7) includes pressure sensor, temperature
Sensor, thrust pickup, speed probe, vibrating sensor；
Signal transmission module realizes following function: the control signal that 1. transmission control system issues, and control signal is transmitted to
High speed spin testing stand；2. the test data for passing measuring system acquisition back gives Data acquisition and storage system；Signal transmission module
Including low speed signal transmission module and high speed transmission of signals module；Low speed signal transmission module uses slip ring in the prior art
(11) transmission of control signal and test data is carried out；High speed transmission of signals module includes unclassified work side according to the needs of use
Two kinds of operating modes of formula and security work mode；When unclassified working method, high speed transmission of signals module is wireless transmission mould
Block (10), the control signal of remote console (9) is reached the free testing stand of high speed by wireless transport module (11), and passes test back
Data give Data acquisition and storage system；When security work mode, wireless transmission cannot be guaranteed the safe transmission of measurement data,
Consider the requirement of signal transmission safety and data confidentiality, high-speed control signal carries out control signal with wireless transport module (10)
Transmission, integrated control module (4) acquire test data returned data and storage system；And acquire the test of storage measuring system
Test data after to be tested, is transferred out by data by wired mode.
2. solid propellant rocket high speed spin testing bench control system as described in claim 1, it is characterised in that: described
Data acquisition and storage system mainly has integrated control module (4), and integrated control module (4) include journey needed for acquisition data
Power supply (4-1), acquisition and storage card (4-2) are controlled, the integrated control module (4) is integrated in high speed spin test table top (6),
Follow high speed spin test table top (6) rotation, for receiving the test data of signal transmission module transmission, carry out to test data
It acquires and stores；The test data includes the test data that timing and measuring system measure, the test number that measuring system measures
According to including pressure data, thrust data, rotary speed data, duration of ignition data.
3. solid propellant rocket high speed spin testing bench control system as claimed in claim 2, it is characterised in that: safety system
System and control system cooperating, for starting control system, common guarantee in the case where security system meets safety requirements
The safety of complete test process；Security system includes engine igniting circuit detection circuit, testing ground observation circuit and door
The chain circuit of machine；Firing circuit detection circuit is used for the control circuit access before turntable rotation to the igniter on turntable
It is detected；Testing ground observation circuit is used for monitoring field personnel state；The chain circuit of door machine is for determining high speed spin examination
Test platform and laboratory safety.
4. solid propellant rocket high speed spin testing bench control system as claimed in claim 3, it is characterised in that: the point
Ignition circuit (4-3) includes ignition control, igniting execution two parts；Connect in tripper state-detection firing circuit access and door machine
When lock circuit is closed, ignition control output issues firing command, puts after igniter work or electric current is output to solid-rocket hair
In the ignition wire of motivation, ignition control detection igniting unit state, Data acquisition and storage system is to ignition control at the same time
Timing Signal is acquired and is stored.
5. the solid propellant rocket high speed spin testing bench control system as described in claim 1,2,3 or 4, feature exist
In: control system is configured to carry out the start and stop of variable-frequency motor and revolving speed by being directly operated with manual switches to frequency converter
Control, frequency converter connects by serial ports with computer system, frequency converter is directly controlled by computer thus to the start and stop of motor with
Revolving speed is controlled, and realizes that the start and stop of drive part variable-frequency motor and revolving speed are controlled by control frequency converter.
6. solid propellant rocket high speed spin testing bench control system as claimed in claim 5, it is characterised in that: further include
Data analysis system, analysis system are used to obtain test data with storage system to data acquisition to analyze, and form visualization
Data statistics and analysis.
7. solid propellant rocket high speed spin testing bench control system as claimed in claim 6, it is characterised in that: control system
The output signal of control signal and return that system issues needs the conditioning of the front end by acquisition system and long line conditioning module to carry out
Signal condition.
8. solid propellant rocket high speed spin testing bench control system as claimed in claim 7, it is characterised in that: described
Integrated control module (4) are partially made into the cylindrical device of rotary shaft diameter, and inside is filled with sealant sealing, it is ensured that integrated to survey
The reliability of module (4) electronic component is controlled, while cylindrical device is fixed on the top of spin axis, reduces and spin in fact to high speed
Test the dynamically balanced influence of platform.
9. solid propellant rocket high speed spin testing bench control system as claimed in claim 8, it is characterised in that: work side
Method includes the following steps,
Step 1: control system and measuring system power on, and control system and measuring system return and work normally signal, and safety is
System power on self test, firing circuit detection circuit reach access, and testing ground monitoring is without personnel in testing ground, the chain circuit of door machine
Detection closure；
Step 2: revolving speed needed for setting, control system issue control signal, are transmitted to by signal transmission module by signal is controlled
The variable-frequency motor (1) of high speed spin testing stand, the starting of control high speed spin testing stand, stopping, operating revolving speed and solid-rocket hair
Motivation igniting；When the high speed spin testing stand revolving speed needed for test is less than or equal to 2000rpm, adopted by low speed signal transmission module
The transmission of control signal and test data is carried out with slip ring in the prior art, realizes control high speed spin testing stand；Work as test
When required high speed spin testing stand revolving speed is 2000-20000rpm, high speed transmission of signals is carried out by wireless transmission mould (10) block
The transmission of signal is controlled, realizes control high speed spin testing stand；
Step 3: variable-frequency motor (1) is used to drive speed increaser leading portion to thousand turns of magnitudes, using gearbox (3) by working portion
Revolving speed needed for taking within 20000rpm, solid propellant rocket (5) are fixed on the high speed spin test table top of working portion
On, control system issues solid propellant rocket ignition control signal, controls solid propellant rocket igniting sequential, solid-rocket
Engine ignition work；
Step 4: measuring system measures data-signal caused by solid propellant rocket, and test data includes timing
And the test data that measuring system measures, the test data that measuring system measures include pressure data, thrust data, revolving speed number
According to, duration of ignition data；
Step 5: high speed transmission of signals module includes unclassified working method and two kinds of security work mode works according to the needs of use
Operation mode；When unclassified working method, high speed transmission of signals module carries out the transmission of test data by wireless transport module；
When security work mode, high speed transmission of signals module follows high speed spin testing stand rotation, by integrated control module (4) into
Test data after to be tested, is transferred out by the acquisition and storage of row test data by way of wire transmission.
10. solid propellant rocket high speed spin testing bench control system as claimed in claim 9, it is characterised in that: also wrap
Include step 6: Data acquisition and storage system obtains test data and is analyzed by data analysis system, forms visualization number
According to statistics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811605976.6A CN109459242B (en) | 2018-12-26 | 2018-12-26 | High-speed self-rotating test bed measurement and control system of solid rocket engine |
Applications Claiming Priority (1)
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| CN114884983A (en) * | 2022-04-02 | 2022-08-09 | 中国人民解放军火箭军工程大学 | Internet of things system for monitoring state of solid rocket engine in storage stage |
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Application publication date: 20190312 Assignee: Beijing Huayu Tianxiang Technology Development Co.,Ltd. Assignor: BEIJING INSTITUTE OF TECHNOLOGY Contract record no.: X2023110000112 Denomination of invention: Measurement and Control System for High Speed Spin Test Bench of Solid Rocket Motor Granted publication date: 20200403 License type: Common License Record date: 20230905 |
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