CN1725001A - Control and monitor system for heat resistant material ground analogue test device - Google Patents
Control and monitor system for heat resistant material ground analogue test device Download PDFInfo
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- CN1725001A CN1725001A CN 200510010200 CN200510010200A CN1725001A CN 1725001 A CN1725001 A CN 1725001A CN 200510010200 CN200510010200 CN 200510010200 CN 200510010200 A CN200510010200 A CN 200510010200A CN 1725001 A CN1725001 A CN 1725001A
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Abstract
The invention provides a control and monitoring system for heat-protection material ground simulating tester. Voltage mutual inducer is connected in series in power supply control, contactor is connected in series in high voltage source and controlled by digital controlled relay connected in series on a control loop, the digital controlled relay is connected through twisted-pair to a computer; mechanical contactor and digital controlled relay are connected in series on an air control loop, the digital controlled relay is connected with the computer, air pressure transducer and air flow-meter are connected on an air flow line, and their output signals are connected through screening signal lines to a recorder then to the computer; mechanical contactor and digital controlled relay are connected in series on the control loop of a cooling water pump and then connected with the computer, turbine water flow-meter and industrial thermal resistor are connected on a cooling water circulating line, their output signals are connected through screening signal lines to a paper-free recorder then to the computer. The invention can make manual/automatic parallel monitoring on a heat-protection material ground simulating testing system under the environments of super high temperature, power electricity and strong interference.
Description
(1), affiliated field
What the present invention relates to is a kind of control and monitoring device, specifically a kind of device that can carry out hand/automatic paralleling monitoring to the heat resistant material ground analogue test system under superhigh temperature, forceful electric power and big interference environment.
(2), background technology
The sign of heat insulation material and evaluation need a series of ground simulation and check and analysis method, arc plasma body heater and to detect the parameter area that diagnostic techniques can contain big wherein, simulated time is long, be of paramount importance ground simulation method, be characterized in to provide the supersonic airstream of continuous controllable.Different electro-arc heaters by the power supply power supply mode can be divided into direct current and alternating current arc well heater.The power supply of direct supply plasma generator needs rectifying installation usually, therefore makes system become very complicated, bulky, costs an arm and a leg, and the negative electrode utilization factor is very low simultaneously, needs often to change.And the AC plasma generator is because its negative electrode and anode are constantly shifted one's position with the frequency of electrical network, so the minimum utilization factor of electrode is the twice in the direct-current plasma generator under maximum conditions.Be aided with the subsystem that other supports its work with AC plasma electro-arc heater core, it is relatively inexpensive to set up a cover, analog functuion with certain flexibility, the on-line monitoring complete function, the heat resistant material ground ablation test simulation system that test and theoretical analysis are combined closely carries out the sign of heat insulation material and the method for evaluation is generally accepted gradually.
Be in the heat resistant material ground analogue test system work process of core with the AC plasma electro-arc heater, for describe the variation that ablated test specimen is taken place as far as possible all sidedly in ablation process, except that key parameters such as the temperature that will detect the nozzle exit plasma, pressure, also need detect the quantity of parameters of other support subsystem, for obtain test specimen behavior parameter exactly as far as possible, some parameter need be gathered with higher speed.Require from above these, can't meet the demands by traditional manual control test process and method for recording data, the process of the test monitoring technique that can fast, accurately control the complication system operation and gather key parameter in its operational process becomes the strong instrument that solves this difficult problem.
Along with progress of science and technology, the especially development of computer technology and automatic technology, the process of the test monitoring technique develops into the application technology that combines with experimental technique for computer technology, automatic technology gradually.The heat resistant material ground analogue test supervisory system of setting up a cover and with the computing machine be core has become the problem that must solve in the heat insulation material military service behavioral study process.
The operating voltage of AC plasma electro-arc heater and electric current can reach 10000V, 800A, and cooling water flow 5/S (water temperature is no more than 25 ℃), gas source and flow amount is 0.546m
3/ m (pressure is 1.7Mpa), heater outlet place temperature surpasses 2300 ℃, and gas flow rate surpasses 1 overtone speed, contains the high-density particles that particle diameter reaches hundreds of microns in the gas.The domestic supervisory system that does not also have to carry out the pilot system under the complex environment like this process of the test monitoring at present.
(3), summary of the invention
The object of the present invention is to provide the cover can be in superhigh temperature, under forceful electric power and the big interference environment to the control of heat resistant material ground analogue test device and the monitoring system of heat resistant material ground analogue test system hand/automatic paralleling monitoring.
The object of the present invention is achieved like this: series voltage mutual inductor in the high-voltage power supply of power supply is provided, mutual inductor output termination fairing, fairing output termination A/D converter, be connected by twisted-pair feeder between converter and the computing machine, series contactor in the high-voltage power supply, contactor is by the numerical control relay control of connecting in the control loop, and the numerical control relay connects computing machine by twisted-pair feeder; Mechanical contactor of series connection and numerical control relay on the solenoid control loop of air compressor that gas is provided and controller road break-make, the numerical control relay connects computing machine by the RS-485 signal wire, be connected to air pressure transmission device and gas meter on the gas flow circuit, the output signal of transmission device and flowmeter connects recording instrument without paper by shielded signal wire, and the recording instrument without paper output signal connects computing machine by the RS-485 signal wire; At the cooling-water pump that chilled water is provided for well heater with mechanical contactor of series connection and numerical control relay on the control loop of cooling tube pump of chilled water is provided to air compressor, the numerical control relay connects computing machine by the RS-485 signal wire, on the chilled water recycle circuit, connect the resistance of turbine water ga(u)ge and industrial thermoelectric, the output signal of flowmeter and thermal resistance connects recording instrument without paper by shielded signal wire, and the recording instrument without paper output signal connects computing machine by the RS-485 signal wire.
The present invention can also comprise:
1, the Mechanical Contact device in the whole monitoring system, various digital instruments and recording instrument without paper unification are installed concentratedly in low-voltage power distributing cabinet.
2, various numerical control relays are installed concentratedly in digital control cabinet.
The present invention has following major technique feature:
1, can realize manual control to total system by low voltage control switch cashier's office in a shop, the numerical control relay is in parallel according to starting functional switch with these mechanical switchs, and the mode of hold function switch series connection connects;
2, the mode connecting system of numerical control relay by boosting step by step specifically is exactly by numerical control relay output end control low-voltage relay, low-voltage relay control high-pressure machinery contactor, Mechanical Contact device opertaing device duty;
3, the output signal of all the sensors and digital instrument all is connected into computing machine by variety of way and unifies Treatment Analysis in the system, and computer generalization is analyzed various data and reacted on system by the numerical control relay automatically;
4, all digital lines all adopt the isolated of photoelectric isolation technology and computer realization physical circuit.
The present invention to the monitor portion of power supply mainly by voltage transformer (VT), digital voltmeter, digital electronic ammeter, optical isolation, high-pressure vacuum switch, the Mechanical Contact device, the numerical control relay, Elapsed Time Code Generator is formed, high-pressure vacuum switch directly series connection advances 10000V, control circuit break-make in the 800A high-tension circuit, contact capacity are 380VAC, and the Mechanical Contact device of 10A inserts in the middle of the vacuum switch control loop, the duty of Mechanical Contact device is controlled jointly by the digital relay and the Elapsed Time Code Generator that seal in wherein, and computing machine is realized the control of logarithm controlled relay by RS485 order wire linking number controlled relay; After high-tension electricity converts 5VAC low pressure electric weight to by voltage transformer (VT), the indirect mutually digital voltmeter of low pressure end, the single-phase digital electronic ammeter that connects, each digital watch connects computing machine by the RS485 order wire via optical isolation.
The present invention to the monitor portion of source of the gas mainly by solenoid valve, the mechanical contactor of connecting, the numerical control relay, air pressure transmission device and gas meter constitute.Mechanical contactor of series connection and numerical control relay on the solenoid control loop of air compressor that gas is provided and controller road break-make, the numerical control relay connects computing machine by the RS485 signal wire, be connected to air pressure transmission device and gas meter on the gas flow circuit, the output signal of transmission device and flowmeter connects recording instrument without paper by shielded signal wire, and the recording instrument without paper output signal connects computing machine by the RS485 signal wire;
The present invention to the monitor portion of cooling water source mainly by the Mechanical Contact device, the numerical control relay, the industrial thermoelectric resistance is formed.At the cooling-water pump that chilled water is provided for well heater with mechanical contactor of series connection and numerical control relay on the control loop of cooling tube pump of chilled water is provided to air compressor, the numerical control relay connects computing machine by the RS485 signal wire, on the chilled water recycle circuit, connect the resistance of turbine water ga(u)ge and industrial thermoelectric, the output signal of flowmeter and thermal resistance connects recording instrument without paper by shielded signal wire, and the recording instrument without paper output signal connects computing machine by the RS485 signal wire.
The present invention can be in forceful electric power and big interference environment operate as normal.The results showed that the present invention is at 10000VAC, in the environment of strong electromagnetic, speed that can 10 times/s is monitored with the error that is no more than 0.2 grade test parameters, and reacts on pilot system.
(4), description of drawings
Accompanying drawing is a structural representation of the present invention.
(5), specific embodiments
Below in conjunction with accompanying drawing specific implementation process of the present invention is elaborated:
High-pressure vacuum switch 2 directly series connection advances 10000VAC, control circuit break-make in 800A high-voltage power supply 1 circuit, contact capacity is 380VAC, the Mechanical Contact device 7 of 10A inserts in the middle of vacuum switch control end 6 loops, the duty of Mechanical Contact device is by 9 controls of the relay in its control end 8 loops, the relay conducting with otherwise depend on mechanical switch 12 in its control end 11 loops, the common control of numerical control relay 13 and Elapsed Time Code Generator 16, computing machine logical 14 is crossed the control that RS485 order wire linking number controlled relay is realized the logarithm controlled relay, and the power supply unification is provided by three-phase supply 10 in the control loop; After high-tension electricity converts 5VAC low pressure electric weight to by voltage transformer (VT) 3, the indirect mutually digital voltmeter 4 of low pressure end, the single-phase digital electronic ammeter 5 that connects, each digital watch connects computing machine by the RS485 order wire via optical isolation.Mechanical contactor of series connection and numerical control relay on solenoid valve 23 control loops of air compressor 24 that gas is provided and controller road break-make, the numerical control relay connects computing machine by the RS485 signal wire, be connected to air pressure transmission device 22 and gas meter 21 on the gas flow circuit, the output signal of transmission device and flowmeter connects recording instrument without paper 15 by shielded signal wire, and the recording instrument without paper output signal connects computing machine by the RS485 signal wire.Mechanical contactor of series connection and numerical control relay on cooling-water pump 20 control loops of power are being provided for chilled water, the numerical control relay connects computing machine by the RS485 signal wire, on the chilled water recycle circuit, connect turbine water ga(u)ge 19 and industrial thermoelectric resistance 18, the output signal of flowmeter and thermal resistance connects recording instrument without paper by shielded signal wire, and the recording instrument without paper output signal connects computing machine by the RS485 signal wire.
Claims (3)
1, a kind of heat resistant material ground analogue test device control and monitoring system, it is characterized in that: series voltage mutual inductor in the high-voltage power supply of power supply is provided, mutual inductor output termination fairing, fairing output termination A/D converter, be connected by twisted-pair feeder between converter and the computing machine, series contactor in the high-voltage power supply, contactor is by the numerical control relay control of connecting in the control loop, and the numerical control relay connects computing machine by twisted-pair feeder; Mechanical contactor of series connection and numerical control relay on the solenoid control loop of air compressor that gas is provided and controller road break-make, the numerical control relay connects computing machine by the RS-485 signal wire, be connected to air pressure transmission device and gas meter on the gas flow circuit, the output signal of transmission device and flowmeter connects recording instrument without paper by shielded signal wire, and the recording instrument without paper output signal connects computing machine by the RS-485 signal wire; At the cooling-water pump that chilled water is provided for well heater with mechanical contactor of series connection and numerical control relay on the control loop of cooling tube pump of chilled water is provided to air compressor, the numerical control relay connects computing machine by the RS-485 signal wire, on the chilled water recycle circuit, connect the resistance of turbine water ga(u)ge and industrial thermoelectric, the output signal of flowmeter and thermal resistance connects recording instrument without paper by shielded signal wire, and the recording instrument without paper output signal connects computing machine by the RS-485 signal wire.
2, heat resistant material ground analogue test device control according to claim 1 and monitoring system, it is characterized in that: the Mechanical Contact device in the whole monitoring system, various digital instruments and recording instrument without paper unification are installed concentratedly in low-voltage power distributing cabinet.
3, heat resistant material ground analogue test device control according to claim 1 and 2 and monitoring system, it is characterized in that: various numerical control relays are installed concentratedly in digital control cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100102006A CN100383514C (en) | 2005-07-20 | 2005-07-20 | Control and monitor system for heat resistant material ground analogue test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100102006A CN100383514C (en) | 2005-07-20 | 2005-07-20 | Control and monitor system for heat resistant material ground analogue test device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1725001A true CN1725001A (en) | 2006-01-25 |
| CN100383514C CN100383514C (en) | 2008-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2005100102006A Expired - Fee Related CN100383514C (en) | 2005-07-20 | 2005-07-20 | Control and monitor system for heat resistant material ground analogue test device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102156143A (en) * | 2011-03-15 | 2011-08-17 | 哈尔滨工业大学 | Three-dimensional adjustable heat-preventing/insulating material ground simulation test device |
| CN102841111A (en) * | 2012-08-14 | 2012-12-26 | 哈尔滨工业大学 | Pneumatic thermal loading simulation test device for thermal shielding materials |
| CN107121452A (en) * | 2017-05-26 | 2017-09-01 | 北京航天长征飞行器研究所 | Resin base heat insulation material carburization zone high temperature dynamic thermal conductivity measurement apparatus and method |
| CN115066078A (en) * | 2022-08-16 | 2022-09-16 | 四川轻化工大学 | Plasma beam performance online diagnosis system and method |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2473248A1 (en) * | 1980-01-07 | 1981-07-10 | Commissariat Energie Atomique | IONIZED GAS GENERATOR WITH VERY HIGH PRESSURE AND VERY HIGH TEMPERATURE |
| US6568846B1 (en) * | 2000-11-15 | 2003-05-27 | The United States Of America As Represented By The Secretary Of The Army | Pulsed laser heating simulation of thermal damage on coated surface |
| JP2004012390A (en) * | 2002-06-10 | 2004-01-15 | Mitsubishi Heavy Ind Ltd | Quality evaluation method of heat barrier coating material of high-temperature component |
-
2005
- 2005-07-20 CN CNB2005100102006A patent/CN100383514C/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102156143A (en) * | 2011-03-15 | 2011-08-17 | 哈尔滨工业大学 | Three-dimensional adjustable heat-preventing/insulating material ground simulation test device |
| CN102156143B (en) * | 2011-03-15 | 2012-07-25 | 哈尔滨工业大学 | Three-dimensional adjustable heat-preventing/insulating material ground simulation test device |
| CN102841111A (en) * | 2012-08-14 | 2012-12-26 | 哈尔滨工业大学 | Pneumatic thermal loading simulation test device for thermal shielding materials |
| CN102841111B (en) * | 2012-08-14 | 2014-07-30 | 哈尔滨工业大学 | Pneumatic thermal loading simulation test device for thermal shielding materials |
| CN107121452A (en) * | 2017-05-26 | 2017-09-01 | 北京航天长征飞行器研究所 | Resin base heat insulation material carburization zone high temperature dynamic thermal conductivity measurement apparatus and method |
| CN107121452B (en) * | 2017-05-26 | 2019-08-09 | 北京航天长征飞行器研究所 | Resin base heat insulation material carburization zone high temperature dynamic thermal conductivity measuring device and method |
| CN115066078A (en) * | 2022-08-16 | 2022-09-16 | 四川轻化工大学 | Plasma beam performance online diagnosis system and method |
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|---|---|
| CN100383514C (en) | 2008-04-23 |
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Granted publication date: 20080423 Termination date: 20090820 |