CN103792089A - Overturning high-radiation heat flow environment device for engine hot environment test - Google Patents
Overturning high-radiation heat flow environment device for engine hot environment test Download PDFInfo
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- CN103792089A CN103792089A CN201410044801.8A CN201410044801A CN103792089A CN 103792089 A CN103792089 A CN 103792089A CN 201410044801 A CN201410044801 A CN 201410044801A CN 103792089 A CN103792089 A CN 103792089A
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Abstract
The invention relates to an overturning high-radiation heat flow environment device for an engine hot environment test. The overturning high-radiation heat flow environment device comprises an engine fixing assembly, an electromagnetic valve heating assembly and an engine heating assembly. The engine heating assembly comprises a heating unit and an engine heating supporting assembly, the engine heating supporting assembly comprises a bottom disc, a plurality of supporting columns and a top disc, the supporting columns are arranged between the bottom disc and the top disc, the heating unit comprises a heating source, a silicon controlled voltage adjustment unit, a high voltage power source, an A phase, a B phase, a C phase and a zero line binding post, the heating source is composed of a plurality of quartz lamp tubes evenly distributed in the periphery, and the heating source is fixed between the bottom disc and the top disc. According to the overturning high-radiation heat flow environment device, the technical problems that an existing heat flow environment device cannot achieve the high heating flux, and the response time for the temperature adjustment is short are solved, and 350kW/m<2> uniform heat flux field loading in areas of engine combustors and spraying pipes is achieved.
Description
Technical field
The present invention relates to airspace engine test, relate in particular to the thermal environment simulation test method of airspace engine ignition operation process.
Background technology
Along with carrying out in a deep going way of space flight appearance control power system development work, for the operating characteristic of research engine under high temperature, high hot-fluid effect, must, in the engine ignition course of work, realize the loading of high temperature, high hot-fluid environment by thermal environment device.
In engine thermal environmental simulation test, be the Aerodynamic Heating state in simulated engine Live Flying process, need under engine-horizontal, plumbness, load 350kW/m
2heat flow density, and need in process of the test, regulate in real time heat hot current density.
A large amount of thermal environment simulation tests, has obtained certain effect in engine thermal environmental simulation test technical field, but thermal environment simulation test is mainly used in the thermal environment loading under engine inoperation condition, and has following defect:
1, the heating element that existing hot-fluid environmental device generally adopts is as reached so high heat flow density under the normal working temperature such as nickel filament, Elema.
2, conventionally adopt and determine power heating at present adding in heat control design, regulate by temperature, such regulative mode equilibration time is oversize, response time is short, change slowly, easily produced heating or owed heated condition, can not guarantee the steady flow of heat density field that engine is required.
3, radiant heat flux density is high, and size of engine is little, and the high-temperature fuel gas that in engine working process, firing chamber produces also can produce sizable radiant heat flux.Heat flow density is too high, is easy to make the gas temperature in heating region sharply to raise, and carries out heat transmission to surrounding.For preventing that heat transmission from affecting other regional temperature of engine, the mode conventionally adopting is to carry out thermal insulation isolation and water-cooled protection.The heat that the former is applicable under high and low temperature completely cuts off, and thermal insulation material is had to certain requirement; The latter is because water-cooled protective device volume is larger, on the temperature homogeneity in temperature field also impact to some extent, also inapplicable for the put-put test with high temperature insulating, multi-zone temperature field.
Summary of the invention
Cannot reach very high heat flow density, temperature and regulate in order to solve existing hot-fluid environmental device, equilibration time is oversize, and the technical matters that the response time is short the invention provides the high radiant heat flux environmental device of a kind of engine thermal environmental test reversible.
Technical solution of the present invention:
The high radiant heat flux environmental device of reversible for engine thermal environmental test, its special character is: comprise engine fixation kit, solenoid valve heating component, heating engines assembly, cooling package and guiding subassembly,
Described engine fixation kit comprises that base, one end are fixed on the support bar on base, the Change-over frame mounting flange that is fixed on the support bar other end and one end and are fixed on the Change-over frame on Change-over frame mounting flange, and the other end of described Change-over frame is supported on engine;
Described solenoid valve heating component comprises that one end is fixed on the solenoid valve heating component erecting frame on base, heat-preservation cylinder, discharge, be fixed on demarcation strip and multiple heating endless tube on the solenoid valve heating component erecting frame other end, described discharge is fixed on the erecting frame of solenoid valve heating component, one end of heat-preservation cylinder is fixed on Change-over frame mounting flange, the other end of heat-preservation cylinder is fixed on demarcation strip, described demarcation strip, Change-over frame mounting flange and heat-preservation cylinder surround solenoid valve heating chamber, described multiple heating ring circumference of cannon bone outside engine electromagnetic valve for and be positioned at solenoid valve heating chamber, the outlet of described discharge is all communicated with multiple heating endless tubes, the entrance of described discharge is provided with cold and hot air intake joint,
Described heating engines assembly comprises the heating unit and the heating engines supporting component that are fixed on demarcation strip, described heating engines supporting component comprises the bottom disc being fixed on demarcation strip, multiple support columns and top disc, described multiple support column is arranged between bottom disc and top disc, described heating unit comprises the heating source that the quartz burner that distributed by multiple even circumferentials forms, silicon controlled rectifier voltage adjustment unit, high-voltage power supply, the A terminal that joins, the B terminal that joins, C join terminal and zero line binding post, multiple quartz burners in described heating source are divided into the first light tube group successively, the second light tube group and the 3rd light tube group, anode power cable and the A of all quartz burners of described the first light tube group terminal that joins is connected, anode power cable and the B of all quartz burners of the second light tube group terminal that joins is connected, anode power cable and the C of all quartz burners of the 3rd light tube group terminal that joins is connected, the first light tube group, the negative terminal power cable of all quartz burners in the second light tube group and the 3rd light tube group is connected with zero line binding post, the described A terminal that joins, B terminal and the C terminal that joins that joins is all connected with silicon controlled rectifier regulation unit, described silicon controlled rectifier regulation unit is connected with high-voltage power supply, described heating source is fixed between bottom disc and top disc,
Described cooling package is arranged on the outside of heating engines assembly, and described guiding subassembly is just to engine export.
Above-mentioned quartz burner comprises tungsten filament, quartz glass tube and is plated in the bag reflection horizon in quartz glass tube outside, and described tungsten filament is positioned at quartz glass tube, and described quartz glass tube is filled with inert gas.
Also comprise water-cooling jacket, described water-cooling jacket is fixed in top disc, and described water-cooling jacket is positioned at the exit of engine and just to guiding subassembly.
Above-mentioned cooling package comprises multiple cooling endless tubes, cooling pipe and cooling holder, described cooling holder is fixed on demarcation strip, described cooling pipe is fixed on demarcation strip, described multiple air ring circumference of cannon bone is around pyrotoxin and be fixed on cooling holder, the inlet end of described cooling pipe is provided with cold air joint, described cooling pipe is all communicated with multiple cooling endless tubes, is provided with multiple vent ports on the tube wall of described multiple cooling endless tubes.
Above-mentioned silicon controlled rectifier voltage adjustment unit comprises man-machine interface, programmable logic controller (PLC), control logic circuit, three pulsed triggering circuit, A phase silicon controlled control circuit, B phase silicon controlled control circuit, C phase silicon controlled control circuit and A phase isolating switch, B phase isolating switch, C phase isolating switch, voltage detecting circuit and analog quantity acquisition circuits
Described man-machine interface intercoms mutually with programmable logic controller (PLC), the output terminal of described programmable logic controller (PLC) is connected with the input end of control logic circuit, the output terminal of described control logic circuit is divided into three tunnels, wherein a road is pulsed triggering circuit, A phase silicon controlled control circuit and the A phase isolating switch connecting successively, the second tunnel is pulsed triggering circuit, B phase silicon controlled control circuit and the B phase isolating switch connecting successively, and Third Road is pulsed triggering circuit, C phase silicon controlled control circuit and the C phase isolating switch connecting successively;
The output terminal of described A phase isolating switch and the A terminal that joins is connected, and the output terminal of described B phase isolating switch and the B terminal that joins is connected, and the output terminal of described C phase isolating switch and the C terminal that joins is connected;
The input end of described voltage and current detection circuit gathers A phase isolating switch, B phase isolating switch, C phase isolating switch output voltage signal, the output terminal of described voltage and current detection circuit is connected with the input end of analog quantity acquisition circuit, and the output terminal of described analog quantity acquisition circuit is connected with programmable logic controller (PLC).
Above-mentioned guiding subassembly comprises mozzle and guide shell fixed support, described guide shell fixed support is fixed on cooling holder, described mozzle comprises the combustion gas collection section, combustion gas direct current section, gas diversion section and the gas outlet section that connect successively, described combustion gas collection section is hydraucone form, described gas diversion section is elbow, described combustion gas direct current section and gas outlet section are straight-line segment, and described mozzle is fixed on guide shell fixed support, and described combustion gas collection section is for engine export.
Also comprise mozzle cooling package, described mozzle cooling package is the mozzle water-cooling jacket being arranged on outside mozzle, between described mozzle water-cooling jacket and mozzle outer wall, form chilled water runner, on described water-cooling jacket, be provided with water inlet and water delivering orifice, in described chilled water runner, be provided with multiple chuck current separation layers.
The material of above-mentioned mozzle is: 1Cr18Ni9Ti.
Also comprise engine temperature sensing unit, described engine temperature sensing unit is for the temperature of responsive heating engines device region.
Above-mentioned demarcation strip is alumina silicate high-temperature heat insulation dividing plate.
The present invention has advantages of:
1, erecting frame of the present invention, can realize engine, engine thermal environmental device and engine electromagnetic valve area heating device level, plumbness installation.
2, engine thermal environmental device of the present invention (heating engines assembly) designs the technological means such as suspension, the outer brushing high temperature high reflectance of lamp reflection horizon in inert gas, filament and has designed Novel quartz fluorescent tube by adopting to be filled with in high strength quartz glass tube, fluorescent tube, and having realized fluorescent tube can be in the application of level, plumbness; By adopting infrared radiation quartz lamp, take heating engines profile as prototype drum type brake infrared radiation lamp battle array, realize the 350kW/m in engine chamber and jet pipe region
2uniform Heat density field loads.
3, the present invention, by using silicon controlled voltage-regulating technique, carries out adjusting in real time the radiation power to change lamp battle array to quartz lamp both end voltage, completes the accurate control to heat flow density.
4, the present invention has designed special gas diversion device, can avoid the flame of engine ejection to produce damaging influence to heating arrangement, and in the time of engine vertical test, just gas diversion becomes horizontality, diversion test bay;
5, design solenoid valve area heating device, the mode of employing Aerodynamic Heating, has realized the temperature control of 100 ℃, solenoid valve region;
6, adopt adiabatic isolation and Air Flow to heat the technical measures that combine, guarantee that two kinds of different temperature fields are independent of each other.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the high hot-fluid radiation heat of reversible environmental device;
Fig. 2 is the structural representation of cylindrical quartz lamp battle array;
Fig. 3 is the mode of connection schematic diagram of cylindrical quartz lamp battle array;
Fig. 4 is the structural representation of silicon controlled rectifier voltage adjustment unit of the present invention;
Fig. 5 is the structural representation of guiding subassembly of the present invention;
Fig. 6 is the sectional view of guiding device;
Wherein Reference numeral is: 1-base, 2-solenoid valve heating component erecting frame, 3-heats endless tube, 4-Change-over frame, 5-guide shell fixed mount, 6-cooling holder, the 7-pipe of lowering the temperature, 8-support bar, 9-Change-over frame mounting flange, 10-is cold, hot air inlet joint, 11-heat-preservation cylinder, 12-bottom disc, the cooling endless tube of 13-, 14-top disc, 15-cold air joint, 16-support column, 17-water-cooling jacket, 18-mozzle, 181-combustion gas collection section, 182-combustion gas direct current section, 183-gas diversion section, 184-gas outlet section, 185-cooling jacket, 186-water inlet, 187-water delivering orifice, 188-chuck current separation layer, 189-temperature sensor, 1810-mounting flange, 19-heating source, 191-quartz burner, 192-the first light tube group, 193-the second light tube group, 194-the 3rd light tube group, the 195-A terminal that joins, the 196-B terminal that joins, the 197-C terminal that joins, 198-zero line binding post, 20-engine, 21-demarcation strip, 22-engine electromagnetic valve, 23-discharge.
Embodiment
As shown in Figure 1, the high radiant heat flux environmental device of reversible for engine thermal environmental test, comprises engine fixation kit, solenoid valve heating component, heating engines assembly, cooling package and guiding subassembly,
Engine fixation kit comprises that base 1, one end are fixed on the support bar 8 on base, the Change-over frame mounting flange 9 that is fixed on support bar 8 other ends and one end and are fixed on the Change-over frame 4 on Change-over frame mounting flange 9, and the other end of Change-over frame 4 is supported on engine;
Solenoid valve heating component comprises that one end is fixed on the solenoid valve heating component erecting frame 2 on base 1, heat-preservation cylinder 11, discharge 23, be fixed on demarcation strip 21 and multiple heating endless tube 3 on solenoid valve heating component erecting frame 2 other ends, discharge 23 is fixed on the erecting frame of solenoid valve heating component, one end of heat-preservation cylinder is fixed on Change-over frame mounting flange 9, the other end of heat-preservation cylinder 11 is fixed on demarcation strip 21, demarcation strip 21, Change-over frame mounting flange 9 and heat-preservation cylinder 11 surround solenoid valve heating chamber, multiple heating ring circumferences of cannon bone outside engine electromagnetic valve 22 for and be positioned at solenoid valve heating chamber, the outlet of discharge 23 is all communicated with multiple heating endless tubes 3, the entrance of discharge 23 is provided with cold, hot air inlet joint 10,
Also comprise temperature sensor, temperature sensor is for the temperature of responsive heating engines device region.
As Fig. 2, shown in Fig. 3, heating engines assembly comprises the heating unit and the heating engines supporting component that are fixed on demarcation strip, heating engines supporting component comprises the bottom disc 12 being fixed on demarcation strip 21, multiple support columns 16 and top disc 13, multiple support columns are arranged between bottom disc and top disc and are uniform around disk circumference, heating unit comprises the heating source 19 that the quartz burner that distributed by multiple even circumferentials forms, silicon controlled rectifier voltage adjustment unit, high-voltage power supply, the A terminal that joins, the B terminal that joins, C join terminal and zero line binding post, multiple quartz burners 191 in heating source are divided into the first light tube group 192 successively, the second light tube group 193 and the 3rd light tube group 194, anode power cable and the A of all quartz burners of the first light tube group terminal 195 that joins is connected, anode power cable and the B of all quartz burners of the second light tube group terminal 196 that joins is connected, anode power cable and the C of all quartz burners of the 3rd light tube group terminal 197 that joins is connected, the first light tube group, the negative terminal power cable of all quartz burners in the second light tube group and the 3rd light tube group is connected with zero line binding post 198, the A terminal that joins, B terminal and the C terminal that joins that joins is all connected with silicon controlled rectifier regulation unit, silicon controlled rectifier regulation unit is connected with high-voltage power supply, heating source is fixed between bottom disc and top disc, the firing chamber of engine and jet pipe are positioned at heating source through demarcation strip and bottom disc.
Cooling package is arranged on the outside of heating engines assembly, and guiding subassembly is just to engine export.
The structure of quartz burner is:
Quartz burner comprises tungsten filament, quartz glass tube and is plated in the bag reflection horizon in quartz glass tube outside, and described tungsten filament is positioned at quartz glass tube, and quartz glass tube is filled with inert gas.
Also comprise water-cooling jacket 17, water-cooling jacket is fixed in top disc, and through top disc, water-cooling jacket one end is connected with engine export place and is positioned at heating source, and the other end passes top disc towards guiding subassembly.
Cooling package comprises multiple cooling endless tubes 13, cooling pipe 7 and cooling holder 6, cooling holder 6 is fixed on demarcation strip, cooling pipe is fixed on demarcation strip, multiple cooling endless tubes 13 are around pyrotoxin and be fixed on cooling holder, the inlet end of cooling pipe 7 is provided with cold air joint 15, cooling pipe 7 is all communicated with multiple cooling endless tubes 13, is provided with multiple vent ports on the tube wall of multiple cooling endless tubes.
As shown in Figure 4, silicon controlled rectifier voltage adjustment unit comprises man-machine interface, programmable logic controller (PLC), control logic circuit, three pulsed triggering circuit, A phase silicon controlled control circuit, B phase silicon controlled control circuit, C phase silicon controlled control circuit and A phase isolating switch, B phase isolating switch, C phase isolating switch, voltage detecting circuit and analog quantity acquisition circuits
Man-machine interface intercoms mutually with programmable logic controller (PLC), the output terminal of programmable logic controller (PLC) is connected with the input end of control logic circuit, the output terminal of described control logic circuit is divided into three tunnels, wherein a road is pulsed triggering circuit, A phase silicon controlled control circuit and the A phase isolating switch connecting successively, the second tunnel is pulsed triggering circuit, B phase silicon controlled control circuit and the B phase isolating switch connecting successively, and Third Road is pulsed triggering circuit, C phase silicon controlled control circuit and the C phase isolating switch connecting successively; The output terminal of A phase isolating switch and the A terminal that joins is connected, and the output terminal of B phase isolating switch and the B terminal that joins is connected, and the output terminal of C phase isolating switch and the C terminal that joins is connected;
The input end of voltage and current detection circuit gathers A phase isolating switch, B phase isolating switch, C phase isolating switch output voltage signal, the output terminal of voltage and current detection circuit is connected with the input end of analog quantity acquisition circuit, and the output terminal of analog quantity acquisition circuit is connected with programmable logic controller (PLC).
Man-machine interface intercoms mutually with programmable logic controller (PLC), completes the adjustment of quartz lamp battle array supply voltage and the on-line monitoring of control and quartz lamp battle array supply voltage by man-machine interface.The measurement of programmable logic controller (PLC) collection is controlled in one, adjusts by thyristor operating angle, realizes the adjustment to quartz lamp battle array supply voltage, then by the Real-Time Monitoring to quartz lamp battle array supply voltage, can realize the closed loop adjustment to quartz lamp battle array supply voltage.
Adjustment and control that programmable logic controller (PLC) has been connected to quartz lamp supply voltage with control logic circuit, pulsed triggering circuit, silicon controlled control circuit.Described voltage detecting circuit has been connected with analog quantity acquisition circuit, programmable logic controller (PLC) quartz lamp battle array supply voltage has been monitored.Programmable logic controller (PLC) has configured three voltages and has adjusted control channel, and the A to quartz lamp battle array, B, C three phase supply voltage are adjusted respectively, and configure Liao San road voltage measurement passage, and the A to quartz lamp battle array, B, C three phase supply voltage are monitored respectively.
As shown in Figure 5, Figure 6, guiding subassembly comprises mozzle and guide shell fixed support, guide shell fixed support is fixed on cooling holder, mozzle comprises the combustion gas collection section, combustion gas direct current section, gas diversion section and the gas outlet section that connect successively, combustion gas collection section is hydraucone form, and gas diversion section is elbow, and combustion gas direct current section and gas outlet section are straight-line segment, mozzle is fixed on guide shell fixed support, and combustion gas collection section is for engine export.Its external interface form of the water inlet of water-cooling jacket and water delivering orifice meets the 37 degree welding straight couplings of QJ2889.5-97.Chuck outer wall welded and installed flange 1810, is fixed on mozzle on guide shell fixed support by mounting flange 1810.Chuck is provided with plug-type temperature sensor 1809, for monitoring cooling water temperature.
Also comprise mozzle cooling package, mozzle cooling package is the mozzle water-cooling jacket being arranged on outside mozzle, between mozzle water-cooling jacket and mozzle outer wall, form chilled water runner, on water-cooling jacket, be provided with water inlet and water delivering orifice, in chilled water runner, be provided with multiple chuck current separation layers.Cooling jacket and mozzle can well be fixed on the one hand, chilled water runner can be divided on the other hand to multiple runners.The material of mozzle is: 1Cr18Ni9Ti.
Below in conjunction with accompanying drawing, the present invention is further described:
Engine, solenoid valve heating arrangement and gas diversion cylinder are installed on reversible erecting frame inside.Erecting frame can be realized in thermal environment process of the test, and engine-horizontal, vertically upward or vertically downward state is installed.
Engine chamber and jet pipe position are arranged in infrared radiation heating device, for heating arrangement energising, utilize remote control and scr voltage regula-tor unit heating arrangement is controlled and regulated, guarantee that in the engine ignition course of work, heat hot current density is at 0～350kW/m
2interior adjustable.Carry hot-air and cold air to solenoid valve heating arrangement by transfer pipeline, utilize discharge and heating endless tube to carry out temperature adjusting to engine electromagnetic valve region, guarantee that in this region, temperature remains on 100 ℃ of left and right.Between above-mentioned two kinds of different temperature fields, alumina silicate high-temperature heat insulation dividing plate being set isolates.Engine jet pipe outlet high-temperature fuel gas enters atmosphere after relying on the ultra high rate of himself to change the flow direction by gas diversion cylinder.
Claims (10)
1. the high radiant heat flux environmental device of reversible for engine thermal environmental test, is characterized in that: comprise engine fixation kit, solenoid valve heating component, heating engines assembly, cooling package and guiding subassembly,
Described engine fixation kit comprises that base, one end are fixed on the support bar on base, the Change-over frame mounting flange that is fixed on the support bar other end and one end and are fixed on the Change-over frame on Change-over frame mounting flange, and the other end of described Change-over frame is supported on engine;
Described solenoid valve heating component comprises that one end is fixed on the solenoid valve heating component erecting frame on base, heat-preservation cylinder, discharge, be fixed on demarcation strip and multiple heating endless tube on the solenoid valve heating component erecting frame other end, described discharge is fixed on the erecting frame of solenoid valve heating component, one end of heat-preservation cylinder is fixed on Change-over frame mounting flange, the other end of heat-preservation cylinder is fixed on demarcation strip, described demarcation strip, Change-over frame mounting flange and heat-preservation cylinder surround solenoid valve heating chamber, described multiple heating ring circumference of cannon bone outside engine electromagnetic valve for and be positioned at solenoid valve heating chamber, the outlet of described discharge is all communicated with multiple heating endless tubes, the entrance of described discharge is provided with cold and hot air intake joint,
Described heating engines assembly comprises the heating unit and the heating engines supporting component that are fixed on demarcation strip, described heating engines supporting component comprises the bottom disc being fixed on demarcation strip, multiple support columns and top disc, described multiple support column is arranged between bottom disc and top disc, described heating unit comprises the heating source that the quartz burner that distributed by multiple even circumferentials forms, silicon controlled rectifier voltage adjustment unit, high-voltage power supply, the A terminal that joins, the B terminal that joins, C join terminal and zero line binding post, multiple quartz burners in described heating source are divided into the first light tube group successively, the second light tube group and the 3rd light tube group, anode power cable and the A of all quartz burners of described the first light tube group terminal that joins is connected, anode power cable and the B of all quartz burners of the second light tube group terminal that joins is connected, anode power cable and the C of all quartz burners of the 3rd light tube group terminal that joins is connected, the first light tube group, the negative terminal power cable of all quartz burners in the second light tube group and the 3rd light tube group is connected with zero line binding post, the described A terminal that joins, B terminal and the C terminal that joins that joins is all connected with silicon controlled rectifier regulation unit, described silicon controlled rectifier regulation unit is connected with high-voltage power supply, described heating source is fixed between bottom disc and top disc,
Described cooling package is arranged on the outside of heating engines assembly, and described guiding subassembly is just to engine export.
2. the high radiant heat flux environmental device of reversible for engine thermal environmental test according to claim 1, it is characterized in that: described quartz burner comprises tungsten filament, quartz glass tube and is plated in the bag reflection horizon in quartz glass tube outside, described tungsten filament is positioned at quartz glass tube, and described quartz glass tube is filled with inert gas.
3. the high radiant heat flux environmental device of reversible for engine thermal environmental test according to claim 1 and 2, it is characterized in that: also comprise water-cooling jacket, described water-cooling jacket is fixed in top disc, and described water-cooling jacket is positioned at the exit of engine and just to guiding subassembly.
4. the high radiant heat flux environmental device of reversible for engine thermal environmental test according to claim 3, it is characterized in that: described cooling package comprises multiple cooling endless tubes, cooling pipe and cooling holder, described cooling holder is fixed on demarcation strip, described cooling pipe is fixed on demarcation strip, described multiple air ring circumference of cannon bone is around pyrotoxin and be fixed on cooling holder, the inlet end of described cooling pipe is provided with cold air joint, described cooling pipe is all communicated with multiple cooling endless tubes, is provided with multiple vent ports on the tube wall of described multiple cooling endless tubes.
5. the high radiant heat flux environmental device of reversible for engine thermal environmental test according to claim 4, it is characterized in that: described silicon controlled rectifier voltage adjustment unit comprises man-machine interface, programmable logic controller (PLC), control logic circuit, three pulsed triggering circuit, A phase silicon controlled control circuit, B phase silicon controlled control circuit, C phase silicon controlled control circuit and A phase isolating switch, B phase isolating switch, C phase isolating switch, voltage detecting circuit and analog quantity acquisition circuits
Described man-machine interface intercoms mutually with programmable logic controller (PLC), the output terminal of described programmable logic controller (PLC) is connected with the input end of control logic circuit, the output terminal of described control logic circuit is divided into three tunnels, wherein a road is pulsed triggering circuit, A phase silicon controlled control circuit and the A phase isolating switch connecting successively, the second tunnel is pulsed triggering circuit, B phase silicon controlled control circuit and the B phase isolating switch connecting successively, and Third Road is pulsed triggering circuit, C phase silicon controlled control circuit and the C phase isolating switch connecting successively;
The output terminal of described A phase isolating switch and the A terminal that joins is connected, and the output terminal of described B phase isolating switch and the B terminal that joins is connected, and the output terminal of described C phase isolating switch and the C terminal that joins is connected;
The input end of described voltage and current detection circuit gathers A phase isolating switch, B phase isolating switch, C phase isolating switch output voltage signal, the output terminal of described voltage and current detection circuit is connected with the input end of analog quantity acquisition circuit, and the output terminal of described analog quantity acquisition circuit is connected with programmable logic controller (PLC).
6. the high radiant heat flux environmental device of reversible for engine thermal environmental test according to claim 5, it is characterized in that: described guiding subassembly comprises mozzle and guide shell fixed support, described guide shell fixed support is fixed on cooling holder, described mozzle comprises the combustion gas collection section connecting successively, combustion gas direct current section, gas diversion section and gas outlet section, described combustion gas collection section is hydraucone form, described gas diversion section is elbow, described combustion gas direct current section and gas outlet section are straight-line segment, described mozzle is fixed on guide shell fixed support, described combustion gas collection section is for engine export.
7. the high radiant heat flux environmental device of reversible for engine thermal environmental test according to claim 6, it is characterized in that: also comprise mozzle cooling package, described mozzle cooling package is the mozzle water-cooling jacket being arranged on outside mozzle, between described mozzle water-cooling jacket and mozzle outer wall, form chilled water runner, on described water-cooling jacket, be provided with water inlet and water delivering orifice, in described chilled water runner, be provided with multiple chuck current separation layers.
8. the high radiant heat flux environmental device of reversible for engine thermal environmental test according to claim 7, is characterized in that: the material of described mozzle is: 1Cr18Ni9Ti.
9. the high radiant heat flux environmental device of reversible for engine thermal environmental test according to claim 8, is characterized in that: also comprise engine temperature sensing unit, described engine temperature sensing unit is for the temperature of responsive heating engines device region.
10. the high radiant heat flux environmental device of reversible for engine thermal environmental test according to claim 9, is characterized in that: described demarcation strip is alumina silicate high-temperature heat insulation dividing plate.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111219267A (en) * | 2018-11-23 | 2020-06-02 | 北京航天试验技术研究所 | High-temperature high-speed jet flow deflection device |
| CN112682221A (en) * | 2020-12-14 | 2021-04-20 | 西安航天动力试验技术研究所 | Attitude control engine high-mode ignition test thermal environment real-time adjusting and accurate loading method |
| CN114942146A (en) * | 2022-07-22 | 2022-08-26 | 西安交通大学 | Structural thermal assessment device and method with infrared radiation heating adjustment function |
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