CN202900445U - Boryl solid fuel propulsion device using plasma generator to ignite - Google Patents
Boryl solid fuel propulsion device using plasma generator to ignite Download PDFInfo
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- CN202900445U CN202900445U CN201220474954.2U CN201220474954U CN202900445U CN 202900445 U CN202900445 U CN 202900445U CN 201220474954 U CN201220474954 U CN 201220474954U CN 202900445 U CN202900445 U CN 202900445U
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- plasma generator
- boryl
- solid fuel
- propulsion device
- plasma
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Abstract
The utility model relates to propulsion device technology and aims at providing a boryl solid fuel propulsion device using a plasma generator to ignite. The boryl solid fuel propulsion device using the plasma generator to ignite comprises an air inlet channel, a fuel gas generator, an after-burning chamber and a tail spray pipe. Boryl solid fuels are contained in the fuel gas generator, the plasma generator is arranged at the tail end of the fuel gas generator, and a plasma injection orifice face rightly the solid fuels. The propulsion device further comprises an electrical control adjustment system which is used for adjusting the plasma generator power, and a cooling water system which is used for cooling. According to the boryl solid fuel propulsion device using the plasma generator to ignite, plasma generating process is stable, and high density heat can be provided in a certain time. Compared with original ignition powders, the ignition by using the boryl solid fuel propulsion agent can not limited by operation time, temperature is greatly improved, and the ignition of the boryl solid fuel can be completely achieved. Ignition power of plasma can be accurately adjusted by using of the power adjustment system, so that the plasma generator is suitable for the boryl solid fuel propulsion device with different explosive payloads.
Description
Technical field
The utility model relates to the propulsion device technology, particularly the Solid rocket propulsion device.
Background technique
Solid fuel in the solid rocket ramjet (solid fuel propulsion device) mainly is to utilize ignition powder to ignite at present.Ignition powder mainly is comprised of oxygenant, fuel agent and binder, and physical and chemical performance is stable, and is responsive to thermal shock, has enough ignition abilities.Ignition powder is filled in the igniter, use electrical spark that it is lighted, discharge amount of heat heat solid propellant agent, thereby make it to catch fire and burn.Adopt this method need in gas generator, open up specially segment space and be used for the set-point gunpowder, thereby reduced the amount of fill of propellant agent.And the method for using ignition powder to ignite makes propellant agent have larger ignition lag, has reduced the sensitivity of reaction.
The excellent properties such as high quality calorific value, high volume calorific value, two phase flow loss are little because boron has, burning good dispersion, nozzle throat little deposit, ejection efficiency height make boryl solid fuel propellant agent might become the angle of rake preferred fuels of solid fuel.The problems such as but fusing point and the boiling point of boron are higher, are difficult to fusing and vaporization, have ignition difficulties in the practical application, and firing temperature is high, and ignition delay time is long.
Therefore how to realize that the solid-fuelled smooth ignition of boryl and burning seem particularly important.Existing boryl solid fuel ignition method is difficult to realize above requirement.
The model utility content
The technical problems to be solved in the utility model is, overcomes deficiency of the prior art, and a kind of boryl solid fuel propulsion device plasma igniting device is provided.
Be the technical solution problem, solution of the present utility model is: the ignition powder lead fire mode that discards tradition, introduce plasma generator in the solid fuel propulsion device, the high-temperature plasma that utilizes plasma generator to produce is directly lighted the boryl solid fuel.
The utility model provides a kind of boryl solid fuel propulsion device that uses plasma generator to realize igniting, comprises intake duct, gas generator, afterburning chamber and jet pipe, filling solid fuel in the gas generator; Described solid fuel is the boryl solid fuel, at the end of gas generator plasma generator is set, and its plasma jet mouth is aimed at solid fuel; The cooling water system that this propulsion device also comprises for the electrical control regulating system of regulating plasma generator power and is used for realizing cooling off; Wherein, the electrical control regulating system comprises programmable logic controller (PLC), potentiometer and relay, potentiometer is connected with power supply by programmable logic controller (PLC) with the relay parallel connection, and the switch that wire is connected to plasma generator is drawn respectively at the two ends of potentiometer and relay simultaneously; Cooling water system comprises cooling water tank and water pump, and exit of pump is connected to the water intake of being located on gas generator and the plasma generator by the road, and the water outlet inlet pipe road on gas generator and the plasma generator is connected to cooling water tank.
During igniting, controller is by relay open plasma generator, and in igniting process, controller is by the power of potentiometer dynamic adjustments plasma generator.
In the utility model, described plasma generator comprises anode and negative electrode; Wherein, negative electrode is cathode bar, and compressed air inlet is established in its bottom; Anode is the anode ring, is positioned at the far-end of cathode bar, and a coil is positioned between the two.
In the utility model, the power supply circuits of described plasma generator comprise: the inverter, high-tension transformer, high-voltage rectifying module and the hv filtering module that connect successively, wherein inverter is connected to angle of rake built-in power, and the hv filtering module is connected to respectively anode and the negative electrode of plasma generator; The high pressure of described high-tension transformer refers to that its output voltage is 380V, and the high pressure of high-voltage rectifying module and hv filtering module refers to that operating voltage is 380V.Inverter is used for the low-voltage direct of large-scale storage battery is become low-voltage alternating-current, and high-tension transformer is used for low-voltage alternating-current is become high-voltage alternating, and high-voltage rectifying module and hv filtering module are used for high-voltage alternating is become high voltage direct current.
In the utility model, described angle of rake built-in power is storage battery.
After the assembling of having removed ignition powder and ignition system, in the situation that the constant loading that increases propellant agent of total volume, and reduced ignition lag.
The utility model patent applying plasma generator ignition mechanism can provide the grade of High Temperature High Pressure to exsomatize, and overcomes the problems of traditional ignition mechanism, and is with the obvious advantage:
1. the plasma generating process is stable, and the high density heat can be provided within a certain period of time, and the igniting that is applied to boryl solid fuel propellant agent than the conventional point gunpowder can not be subjected to the restriction of working time;
2. peak fire temperature can reach more than the 5000K, greatly improves than conventional point gunpowder temperature, can realize fully that boryl is solid-fuelled to light;
By power regulating system can the fine adjustment plasma igniting power, thereby adapt to the boryl solid fuel propulsion device of different explosive loads;
4. this firing mode is irrelevant with the physicochemical property of fuel self, is not subjected to the restriction of the solid-fuelled prescription of boryl, can be applied to various propellant agent type;
5. plasma generator is controlled by electrical system, and switch is realized simple and convenient reliable, has improved the Security of propulsion device ignition mechanism installation and removal;
6. this device belongs to the high speed ignition mode, and response is sensitive, is swift in response, and can be used for moment to finish lighting of boryl solid fuel propellant agent.
Description of drawings
Below in conjunction with drawings and Examples the utility model patent is further specified.
Fig. 1 is the structure drawing of device of realizing the igniting of boracic solid fuel with plasma generator.
Fig. 2 is the plasma generator circuit diagram.
Fig. 3 is the plasma generator structural drawing.
Fig. 4 is the operation schematic diagram of realizing boryl solid fuel propulsion device Initial Stage after Ignition with plasma generator.
Fig. 5 is the operation schematic diagram of realizing boryl solid fuel propulsion device igniting transition stage with plasma generator.
Fig. 6 realizes that with plasma generator the igniting of boryl solid fuel propulsion device is from keeping the operation schematic diagram in smooth combustion stage.
Each reference character is among the figure: 1 intake duct, 2 gas generators, 3 plasma generators, 4 solid fuels, 5 afterburning chambers, 6 jet pipes, 7 inverters, 8 high-tension transformers, 9 high-voltage rectifying modules, 10 hv filtering modules, 11 anodes, 12 negative electrodes, 13 water intakes, 14 water outlets, 15 water pumps, 16 cooling water tanks, 17 compressed air inlet, 18 power supplys, 19 cathode bars, 20 coils, 21 electric arcs, 22 anode rings, 23 plasmas.
Embodiment
The utility model patent is a kind of angle of rake boryl solid fuel firing technique that is applied to.By utilizing high power plasma generator as ignition installation, heating places the boryl solid fuel in the propulsion device, and power supply and electric regulating equipment by linking to each other with plasma generator, and its start and stop and power adjustments are controlled.
Ignition system is comprised of plasma generator, electrical control regulating system, water cooling system and combustion jet system.
Plasma generator utilizes direct current (d.c.) to adopt high-frequency arc strike under the condition of medium air pressure greater than 0.12MPa, and obtains the directional flow air plasma of firm power under high magnetic fields control, and its temperature can reach more than the 5000K.
The electrical control regulating system is comprised of PLC, potentiometer, relay, contactor etc., by the switch of control circuit regulating relay, contactor, changes position potentiometer, thereby realizes the fine adjustment of plasma generator power.Except manual tune, can use the PLC programming to realize the automatic adjusting of power.
Because this ignition mechanism heating-up temperature reaches as high as 5000K, damage plasma generator in order to prevent excess Temperature, need to install water cooling system.Provide cooling water by water pump, intake pipe and outlet pipe are finished the cooling water circuit.Plasma generator wall upper and lower end face is welded with water cooling tube, be in operation and end of run after realize the cooling of wall guaranteeing the normal operation of ignition mechanism.
The combustion jet system mainly is made of jet pipe, is a contraction and enlargement nozzle, links to each other with afterburning chamber.Because reducing suddenly of discharge area increases sharply the jet velocity of afterburning chamber secondary combustion product, gas phase and solid product produce than high thrust, for boryl solid fuel propulsion device provides power.
Below in conjunction with accompanying drawing, implementation of the present utility model is described in detail.
Boryl solid fuel propulsion device comprises intake duct 1, gas generator 2, afterburning chamber 5 and jet pipe 6, gas generator 2 interior filling solid fuels 4; Solid fuel 4 is boryl solid fuels, at the end of gas generator 2 plasma generator 3 is set, and its plasma jet mouth is aimed at solid fuel 4; The cooling water system that this propulsion device also comprises for the electrical control regulating system of regulating plasma generator power and is used for realizing cooling off; Wherein, the electrical control regulating system comprises programmable logic controller (PLC), potentiometer, relay and contactor, and during igniting, controller is by relay and contactor open plasma generator 3, in igniting process, controller is by the power of potentiometer dynamic adjustments plasma generator 3; Cooling water system comprises cooling water tank 16 and water pump 15 for the protection of plasma generator 3, and water pump 15 outlets are connected to the water intake of being located on the plasma generator 3 by the road, and the water outlet inlet pipe road on the Combustion Gas Plasma generator 3 is connected to cooling water tank 16.
The power supply circuits of plasma generator 3 comprise: the inverter 7, high-tension transformer 8, high-voltage rectifying module 9 and the hv filtering module 10 that connect successively, wherein inverter 7 is connected to angle of rake built-in power 18, and hv filtering module 10 is connected to respectively anode 11 and the negative electrode 12 of plasma generator 3.
The negative electrode 12 of plasma generator 3 is cathode bar 19, and compressed air inlet 17 is established in its bottom; Anode 11 is anode ring 22, is positioned at the far-end of cathode bar 19, and a coil 20 is positioned between the two, and the plasma fluid of generation is by ejecting in the anode ring 22.
During concrete operation, provide initial VDC by large-scale storage battery, after boosting, light plasma generator 3.According to service condition, input the switch of corresponding Control of Voltage plasma generator 3, regulate the rate of heat addition and the heating-up temperature of plasma generator 3.
The solid fuel 4 that plasma generator 3 among Fig. 1 is lighted in the gas generator 2 as ignition mechanism generation heat carries out primary combustion.After primary combustion was finished, the solid phase that gas generator 2 burnings produce and gas-phase product sprayed into afterburning chamber 5 and the pressurized air mixing secondary combustion that sucks from intake duct 1, and its products of combustion produces thrust by jet pipe 6 Accelerating Removals.
By shown in Figure 4, during the propulsion device Initial Stage after Ignition, at first plasma generator 3 starts, the required ignition energy of fuel this moment is maximum, regulating this moment operate power by electrical system is 100% peak output, and plasma temperature is about 5000K, and the propellant agent medicinal strip contacts with the high-temperature plasma striking, begin to ignite, realize angle of rake preliminary igniting.Among Fig. 5, propulsion device enters igniting to the transition stage of certainly keeping steady combustion, this moment, plasma generator power was reduced to the 30%-50% of peak output, temperature is reduced to 1500K-2500K, thereby reduce the energy consumption of generator, improve its working time, avoid burning out propulsion device by reducing plasma power.This moment, the burning of propellant agent medicinal strip was violent gradually, produced a large amount of high-temperature flue gas, progressively was transitioned into from keeping combustion phase.Fig. 6 represents that propulsion device enters from keeping the smooth combustion stage, closes plasma generator, and power reduces to 0.The high-temperature flue gas that this moment, propellant agent produced can carry out oneself's heating, keeps the state of its smooth combustion.
Circulating water in the water cooling system places cooling water tank 16, need change circulating water at set intervals.Water pump 1 provides power by built-in power, and power is to get final product about 4KW.Built-in power 18 in the solid fuel propulsion device can be served as by large-scale storage battery.
The required high-voltage power of plasma generator 3 through the acquisition of boosting, is specifically seen Fig. 2 by built-in power.Because igniting process is very fast, just provide in a flash high pressure, do not need to continue to provide, therefore the energy that consumes is little.
Fig. 4-Fig. 6 has showed the carrying out along with igniting process, and plasma generator 3 power are reducing gradually, outstanding adjustable these characteristics of power, energy consumption capable of reducing power source.
Claims (3)
1. a boryl solid fuel propulsion device that uses plasma generator to realize igniting comprises intake duct, gas generator, afterburning chamber and jet pipe, filling solid fuel in the gas generator; It is characterized in that, described solid fuel is the boryl solid fuel, at the end of gas generator plasma generator is set, and its plasma jet mouth is aimed at solid fuel; The cooling water system that this propulsion device also comprises for the electrical control regulating system of regulating plasma generator power and is used for realizing cooling off; Wherein, the electrical control regulating system comprises programmable logic controller (PLC), potentiometer and relay, potentiometer is connected with power supply by programmable logic controller (PLC) with the relay parallel connection, and the switch that wire is connected to plasma generator is drawn respectively at the two ends of potentiometer and relay simultaneously; Cooling water system comprises cooling water tank and water pump, and exit of pump is connected to the water intake of being located on gas generator and the plasma generator by the road, and the water outlet inlet pipe road on gas generator and the plasma generator is connected to cooling water tank.
2. boryl solid fuel propulsion device according to claim 1 is characterized in that, described plasma generator comprises anode and negative electrode; Wherein, negative electrode is cathode bar, and compressed air inlet is established in its bottom; Anode is the anode ring, is positioned at the far-end of cathode bar, and a coil is positioned between the two.
3. boryl solid fuel propulsion device according to claim 1, it is characterized in that, the power supply circuits of described plasma generator comprise: the inverter, high-tension transformer, high-voltage rectifying module and the hv filtering module that connect successively, wherein inverter is connected to angle of rake built-in power, and the hv filtering module is connected to respectively anode and the negative electrode of plasma generator; The high pressure of described high-tension transformer refers to that its output voltage is 380V, and the high pressure of high-voltage rectifying module and hv filtering module refers to that operating voltage is 380V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220474954.2U CN202900445U (en) | 2012-09-17 | 2012-09-17 | Boryl solid fuel propulsion device using plasma generator to ignite |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201220474954.2U CN202900445U (en) | 2012-09-17 | 2012-09-17 | Boryl solid fuel propulsion device using plasma generator to ignite |
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| CN202900445U true CN202900445U (en) | 2013-04-24 |
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| CN201220474954.2U Expired - Lifetime CN202900445U (en) | 2012-09-17 | 2012-09-17 | Boryl solid fuel propulsion device using plasma generator to ignite |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102877985A (en) * | 2012-09-17 | 2013-01-16 | 浙江大学 | Boron-based solid fuel propeller igniting through plasma generator |
| CN104481735A (en) * | 2014-09-19 | 2015-04-01 | 中国航天科工集团第六研究院二一○所 | Pulse trigger |
| CN109899179A (en) * | 2019-03-20 | 2019-06-18 | 中国人民解放军国防科技大学 | Scramjet engine capable of improving supersonic combustion performance of boron-containing rich-combustion solid propellant |
| CN111692060A (en) * | 2020-06-19 | 2020-09-22 | 狄晓牛 | Circulation plasma fuel generator |
| CN111894762A (en) * | 2020-07-08 | 2020-11-06 | 南京理工大学 | Transient detonation pulse engine and radial multi-pulse thrust vector device |
-
2012
- 2012-09-17 CN CN201220474954.2U patent/CN202900445U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102877985A (en) * | 2012-09-17 | 2013-01-16 | 浙江大学 | Boron-based solid fuel propeller igniting through plasma generator |
| CN104481735A (en) * | 2014-09-19 | 2015-04-01 | 中国航天科工集团第六研究院二一○所 | Pulse trigger |
| CN109899179A (en) * | 2019-03-20 | 2019-06-18 | 中国人民解放军国防科技大学 | Scramjet engine capable of improving supersonic combustion performance of boron-containing rich-combustion solid propellant |
| CN109899179B (en) * | 2019-03-20 | 2020-01-10 | 中国人民解放军国防科技大学 | Scramjet engine capable of improving supersonic combustion performance of boron-containing rich-combustion solid propellant |
| CN111692060A (en) * | 2020-06-19 | 2020-09-22 | 狄晓牛 | Circulation plasma fuel generator |
| CN111894762A (en) * | 2020-07-08 | 2020-11-06 | 南京理工大学 | Transient detonation pulse engine and radial multi-pulse thrust vector device |
| CN111894762B (en) * | 2020-07-08 | 2021-09-21 | 南京理工大学 | Transient detonation pulse engine and radial multi-pulse thrust vector device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130424 |