77results about How to "Not easy to turn off" patented technology

The invention discloses a solid-liquid scramjet engine, and belongs to the technical field of engines. The engine comprises an air inlet channel, a combustion chamber, a tail spray pipe, a fuel gas generator, an oil tank system, a control system and the like. The oil tank system comprises a high-pressure gas cylinder, a pressure reducing valve, a safety valve, fuel oil, an oil filter, a leather bag and the like, and the control system provides fuel oil flow meeting requirements for the scramjet engine according to set requirements. The fuel gas generator is mainly composed of a heat insulation combustion chamber, a wrapped grain, a long tail pipe spray pipe component and an igniter. The fuel gas generator is fixedly arranged in the oil tank system, and a long tail pipe of the fuel gas generator penetrates through the head portion of the combustion chamber and stretches into the combustion chamber. The solid-liquid scramjet engine can keep the advantages that the specific impulse of the liquid fuel scramjet engine is high, and the solid fuel scramjet engine is not prone to being shut down under a large attack angle, and meanwhile the defects that the liquid scramjet engine is prone to being shut down under the large attack angle, the thrust of the solid fuel scramjet engine is hard to adjust, and the specific impulse is low are overcome.

The invention provides a control method for a starting gear clutch of a manual shift gear vehicle. According to the method, an ECU detects a gear status signal of a gear sensor and a clutch displacement signal of a clutch travel sensor to identify starting intention of a driver, before the clutch is connected, the opening degree of a throttle of an engine and the rotation speed of the engine are increased, torque is fast improved in the clutch loosening process, and thus starting stability is guaranteed, and starting flameout is prevented. Compared with the prior art, because a control logic system is improved and starting control logic is added, the rotation speed of the engine can be increased in advance according to the signal value of the gear sensor, and thus flameout is less likely to happen in the starting process. After the gear is shifted, the rotation speed of the engine is increased, error judgment of the starting intention of the driver is avoided, and thus the fuel consumption of the whole vehicle will not increase.

The invention relates to a civilian unmanned plane technology. A lift-adjustable vector propulsion type multi-rotor unmanned plane comprises a plane body. A plurality of plane arms are connected to the plane body. A propeller is connected to each plane arm. A variable-lift adjustment structure is arranged on each plane arm. Each variable-lift adjustment structure is composed of a rotatable vane. In the state of level flight, an inclined angle is formed after the vanes rotate. The included angle between the inclination direction and the flight direction is acute angle. The lift-adjustable vector propulsion type multi-rotor unmanned plane is suitable for being powered by gasoline, lift can be adjusted, unmanned plane posture adjustment can be conducted without inclining the plane body in the state of level flight, and stability and operability are good; and the technical problems that in the prior art, an unmanned plane powered by gasoline is poor in power output stability, complicated in operation and high in the engine vibration, and a sensor is prone to being damaged, the service life of an engine is shortened due to frequent speed regulating, and flameout even can even occur are solved.

The invention relates to a civilian unmanned plane technology. Provided is a lift-variable structure gasoline-powered multi-rotor unmanned plane. The plane comprises a plane body. A plurality of plane arms are connected to the plane body. A propeller is connected to each plane arm. A lift-variable structure is arranged on each plane arm. Each lift-variable structure is of symmetrical frame structure and is composed of rotatable vanes. Two vanes in symmetrical positions are opposite in inclination direction and uniform in inclined angle size. According to the unmanned plane that is suitable for being powered by gasoline, lift can be adjusted when gasoline power is kept in uniform output power, and stability and operability are good; the problems that in prior art, an unmanned plane powered by gasoline is poor in power output stability, complicated in operation, and high in the engine vibration, and a sensor is prone to being damaged, the service life of an engine is shortened due to frequent speed regulating, and flameout can even occur are solved.

The invention relates to a picnic furnace. The picnic furnace comprises a furnace body and a furnace pipe arranged in the furnace body in a sleeved mode, and a certain distance is reserved between the bottom of the furnace pipe and the bottom of the furnace body. The picnic furnace is characterized in that the bottom of the furnace pipe is sealed, an opening is formed in the top of the furnace pipe, the top of the furnace pipe is in sealed connection with the top of the furnace body, and an air flowing cavity is formed between the side face of the furnace pipe and the furnace body. A plurality of air inlet holes are formed in the circumferential wall of the lower portion of the furnace pipe, and a certain distance is kept between the heights of the air inlet holes and the bottom of the furnace pipe. An air blower is arranged at the bottom of the furnace body, and the air blower is used for blowing air in the air flowing cavity and enabling the air to enter the furnace pipe transversely. The picnic furnace has the advantage of being not prone to extinguishing, fuel burns sufficiently and fly ash can be prevented, and the picnic furnace is worthy of being popularized.

The present invention relates to a motorcycle intelligent control system. Said system is mainly composed of signal processing unit, signal conversion unit and main control unit. Said signal processing unit is connected with speed sensor, transmission display circuit and engine pulse coil; the signal conversion unit is connected with shifting actuator contact-connection component displacement sensor, accelerator control mechanism displacement sensor and accelerator actuating mechanism displacement sensor; the main control unit is connected with gearshift drive circuit and accelerator drive circuit, the gearshift drive circuit is connected with gearshift actuating mechanism and the accelerator drive circuit is connected with accelerator actuating mechanism. Said invention also provides a motorcycle intelligent control method. Said invention mainly is used in motorcycle using automatic clutch engine.

The invention discloses an energy-saving furnace with a cyclone generating device, aiming to provide an energy-saving furnace with more complete mixing and combustion, more stable combustion, higher safety and better energy-saving effect. The invention comprises a furnace (6), a furnace chamber (1), a mesh furnace core (2), a blower fan (3), and a cyclone generator. The upper part of the furnace chamber (1) is a gas and air rotating mixing zone (21), and the lower part is The air intake area (22), the mesh furnace core (2) is arranged above the gas and air rotating mixing area (21) in the furnace chamber (1), the fan (3) communicates with the air intake area (22), and the furnace chamber ( 1) There is a gas channel (4) extending into the gas and air rotating mixing area (21), and the cyclone generating device includes several air outlet nozzles (51) arranged in the gas and air rotating mixing area (21). (51) are distributed in a circle and inclined in the same direction. The air outlet nozzle (51) is a passage connecting the air intake area (22) and the gas and air rotating mixing area (21). The air outlet direction of the air outlet nozzle (51) is uniform Either clockwise or counterclockwise. The invention can be widely used in the field of stoves.

The invention discloses an entire heat disposing method of compression typed LPG transporting ship reserving tank, which comprises the following steps: 1) setting human aperture and deep well pump seat in the lowest position of reserving tank as inlet hole; setting the liquid collecting groove opposite to deep well pump seat on the topest reserving tank; packing gas chamber hole; insulating the exterior of reserving tank through thermostable material; 2) placing two high-velocity fuel sprayers in the human inlet and deep well pump seat hole separately; adopting reserving tank bulk as combusting chamber and liquid-collecting groove as smoke exhaust hole; providing fuel and high-pressure atomized air in two high-velocity fuel sprayers; igniting two high-velocity fuel sprayers to heat reserving tank to 545-585 deg.c for 2-5h.

The invention relates to a production method of a health harmless smoking-quit cigarette, which belongs to the technical field of agricultural product further processing engineering. The production method comprises the following steps of baking lotus leaves or taro leaves, atomizing blend oil on the lotus leaves or the taro leaves, then baking the lotus leaves or the taro leaves again, smoking the lotus leaves or the taro leaves with edible liquor after being threadedcutting the lotus leaves or the taro leaves into sleaves, dropwise adding spices, and packaging the lotus leaves or the taro leaves after being mixedstirring the leaves with spices. The product produced through the production method is the optimum smoking-quit product, low in cost, free from toxicity and side effects, good in taste and free from any other toxic gas, and the smoke taste of the health harmless smoking-quit cigarette is similar to that of tobacco.

The invention discloses an ophthalmic therapy device. The ophthalmic therapy device comprises a periscope shell, wherein a plurality of convection holes are formed in the shell; an eyelet cushion is arranged on the open end at the reverse side of the shell, and porous lenses communicated with the inner part of the shell are arranged on left and right parts of the eyelet cushion; a nose bridge cushion is arranged between left and right porous lenses, left and right smoke discharging columns are arranged at the upper end of the shell, smoke discharging holes are formed in the tops of the left and right smoke discharging columns, smoke discharging caps are sleeved on the left and right smoke discharging columns, left and right ash outlets are formed at the lower end of the shell, ash receiving slots are formed in the shell, and moxibustion cone fixing tables for placing moxibustion cones are erected in the left and right ash receiving slots. The ophthalmic therapy device has a certain effect to relief and treat ophthalmic diseases such as amblyopia, shortsightedness, hyperopia and strabismus in young children and senior cataracts.

The invention relates to a two-way elliptic gear engine which is integrally in a cylindrical shape. In the two-way elliptic gear engine, an output shaft, a bearing, a disk member, a plurality of pistons and an elliptic gear form a cylindrical rotor; two shells which are arranged oppositely, an inlet valve, an outlet valve, a plurality of hot fire heads, a gear frame and a plurality of duplex eccentric gears form a stator; the space between the rotor and the stator forms an annular combustion chamber, and the plurality of pistons rotate in the annular chamber and divide the combustion chamber into a plurality of cylinders; and the elliptic gear, the duplex eccentric gears and a disk inner gear form a transmission system for carrying out one-way differential transposition rotation among the pistons, so that the volume among the cylinders is changed to realize the purpose of forming the engine by four strokes.

The invention discloses a motorcycle multi-CPU intelligent control system of automatic on-off engine, comprising throttle intelligent control system constituted by throttle control unit cooperated by total control unit and motorcycle shifting intelligent control system accomplished by the throttle control unit, inspecting unit and the total control unit. The throttle intelligent control system is cooperated with the shifting intelligent control system. Under the cooperation of automatic clutch on motorcycle body multi-CPU control system with the complete process of flaming starting, running, stopping and flameout can be accomplished. The invention also provides a motorcycle multi-CPU intelligent control method. The invention makes motorcycle driving simple and convenient. The invention also solves the problem that after motorcycle starts or shifts up engine flameout is easy, it is not in time to shift up and fuel is wasted in variable speed so on.

The invention relates to a method for producing a healthy and harmless smoking-quit cigarette and belongs to the technical field of agricultural product stem deep-processing engineering. The method comprises the following steps of: baking a lotus leaf, atomizing a mixture of blending oil and an anion or nonionic surface active agent, baking again, cutting the lotus leaf into shreds and fuming by using edible white wine, dripping spice and stirring, and packaging. The healthy and harmless smoking-quit cigarette is the optimal smoking-quit product, has low cost, has no side effect on people, tastes good and does not contain any other toxic gas, and the smoke of the cigarette is similar to that of tobaccos.

The invention discloses a regulating valve for proportioning air and fuel gas. A valve body seat which is connected on a fuel gas pipeline is provided with two cavities, namely an upper cavity connected with a fuel gas inlet and a lower cavity connected with a fuel gas outlet, and the a valve sheet is arranged between the upper cavity and the lower cavity for opening and closing of the pass of thefuel gas; an airtight induction cavity is arranged in the middle of the valve body, a pulse diaphragm is arranged in the middle of the induction cavity for dividing the induction cavity into an upperinduction cavity and a lower induction cavity which are mutually insolated and excellently sealed, and a sealing diaphragm is arranged between the lower induction cavity and the upper cavity of the valve body seat; a connecting rod is arranged and fixedly connected on the valve sheet vertically, and is fixedly connected with the sealing diaphragm and the pulse diaphragm after vertically penetrating through the sealing diaphragm and the pulse diaphragm; and the top end of the connecting rod is fixedly connected with a tension spring, the top part of which is fixedly connected with a screw rodwhich is thread connected with the shell of the valve body.

The invention discloses an energy-saving furnace with a secondary combustion structure, which aims to provide an energy-saving furnace having the advantages of combustion stability and sufficiency, cleaning and heating evenness, and high heating efficiency. The energy-saving furnace comprises a draught fan (1), a gas channel (2), a furnace chamber (3), a furnace core (6), a furnace hearth (4), a cover plate (5) and a supporting device used for supporting cookware, wherein an air intake area (31), a mixing area (32) and a combustion area (33) are respectively arranged in the furnace chamber (3) from bottom to top; the draught fan (1) is communicated with the air intake area (31); the gas channel (2) extends into the mixing area (32); the bottom of the furnace hearth (4) is provided with acombustion through hole (41); the furnace core (6) is arranged in the combustion area (33); the cover plate (5) is arranged above the combustion through hole (41); a gap is formed between the cover plate (5) and the bottom of the furnace hearth (4) through a support device; the cover plate (5) and the furnace core (6) form a first combustion chamber; and the cover plate (5), the furnace hearth (4) and cookware matched with the furnace hearth (4) form a secondary combustion chamber. The invention can be widely applied to the field of furnaces.

The invention provides a power switch control method of a hybrid power transmission. The method includes the steps that a gas storage device is operated to store compressed gases; a static start-up device is operated to output power to a clutch device through a gear device to drive the clutch device to rotate in advance; a clutch control mechanism is opened by a driver and switched to a output state, and at this time, the rotation speed of a driving part of the clutch mechanism is matched with the rotation speed of a follower of the clutch mechanism and the vehicle starting is not prone to stall; when a vehicle successfully starts, a start control mechanism is closed and a static start device is stopped to operate by the driver, and due to existence of an overrun clutch, the clutch devicecan not output the power reversely to the static start device through a rotatable shaft, and then the vehicle normally runs; and when the vehicle climbs the hill, the static start device and the clutch device can be started simultaneously by the driver to output the power to the gear device at the same time, and traction torque of the vehicle can be increased.

The invention discloses a motorcycle intelligent control system, it mainly consists of signal processing unit, signal conversion unit and main control unit, the signal processing unit is connected with speed sensor, transmission shift display circuit and motor pulse coil; the signal conversion unit is connected with the transmission shift processing device contact component displacement sensor, the lutch processing device contact component displacement sensor, the throttle control device displacement sensor and the throttle processing device displacement sensor; the, main control unit is connected with the clutch drive circuit, transmission shift drive circuit and throttle driver circuit, the clutch drive circuit is connected with the clutch processing device, the transmission shift drive circuit is connected with the transmission shift processing device, the throttle drive circuit is connected with the throttle processing device. The invention also provides a motorcycle intelligent control method, the invention makes the motorcycle driving more simple and easier, solves the problems of motor is easy to flameout, motorcycle pushing, transmission shift is not immediate and fuel waste caused by stepless speed transmission after motorcycle starts and speeds up in the prior motorcycle.

The invention discloses a motorcar multi-CPU intelligent control system that includes gun intelligent control system realized by main control unit matching gun control unit, clutch intelligent control system realized by main control unit matching clutch control unit, motorcar gear shifting intelligent control system realized by gun control unit, clutch control unit and monitoring control unit matching main control unit. The three systems realize the multi-CPU intelligent control system. The invention also discloses a motorcar multi-CPU intelligent control method. It makes the drive of motorcar be easy and convenient and solves problems like engine flameout when changing gear, oil wasting, etc.

The invention relates to a windproof lighter which comprises a shell body. A lighter cover is arranged on the shell body. A rechargeable battery, a heating assembly and a switch are further arranged in a windproof lighter body. The heating assembly is arranged below the lighter cover, and the whole heating assembly is a cylinder. The windproof lighter further comprises a USB interface which is arranged at the bottom of the shell body, and the upper portion, surrounding the periphery of the heating assembly, of the shell body is provided with a windproof hood. According to the technical scheme, through arrangement of a windproof device, long firing time is further guaranteed, the problem that ignition is prone to extinguishing is solved; a lighting device is arranged, so that in a poor light environment, the lighting device which is similar to a flashlight can be turned on, and the windproof lighter is very practical; a smoke absorbing device is arranged for absorbing the smoke generated in the smoking process, and thus influences on the environment and other people are reduced.

The invention discloses a heat regenerative liquid fuel micro-burner which comprises an exhaust gas vent (11), an outer barrel (3), an inner barrel (1), an air spray pipe (2), a burning chamber (9), an igniter (8), an methane gas spray pipe (7), a liquid fuel spray pipe (6), a circular space (10) between the inner barrel (1) and the outer barrel (3), and aporous media atomization tube (5) fixed on the liquid fuel spray pipe (6); the bottom of the circular space (10) is communicated with the burning chamber (9), the porous media atomization tube (5) is communicated with the liquid fuel spray pipe (6), and a top end is sealed by a seal cover plate (4). The heat regenerative liquid fuel micro-burner realizes the partial recovery and utilization of exhaust gas heat, reduces the cooling lossesand improves the burning efficiency, and simultaneously the air is pre-heated and stable burning is facilitated.

The invention discloses an engine. The engine comprises an air cylinder A, a reciprocating motion structural body A and a reciprocating motion structural body B. A piston A arranged on the reciprocating motion structural body A and a piston B arranged on the reciprocating motion structural body B are oppositely arranged in the air cylinder A. The reciprocating motion structural body A is arrangedin the air cylinder A and penetrates through the piston B, and an air distribution opening is formed in the air cylinder A. The reciprocating motion structure body A and the reciprocating motion structure body B are arranged in a reverse linkage mode through a transmission wheel, and a volume change space is defined by the piston A, the side wall of the air cylinder A and the end of the air cylinder A. An air guide opening A is formed in the side wall of the air cylinder A. The air guide opening A directly communicates with the air distribution opening of the air cylinder A. The air guide opening A communicates with a gas inlet channel through a one-way switch, and the air guide opening A communicates with the gas inlet channel through the control switch. The engine is not prone to flameout, good in continuous working performance, capable of effectively breaking through limitation of a crankshaft-free air cylinder piston engine, simple in structure and convenient to control.

The invention discloses a double-input-shaft speed changer with a hydraulic torque converter. The double-input-shaft speed changer with the hydraulic torque converter comprises a primary input shaft (1), a secondary input shaft (2), the hydraulic torque converter (3) and a speed changer output shaft (4). The primary input shaft (1) is connected with an input shaft (31) of the hydraulic torque converter (3), and the secondary input shaft (2) is connected with an output shaft (32) of the hydraulic torque converter (3). The speed changer output shaft (4) is parallel to the axis of the primary input shaft (1). A high gear driving gear set (A) is arranged on the primary input shaft (1), a low gear driving gear set (B) is arranged on the secondary input shaft (2), and a high gear driven gear set (A') and a low gear driven gear set (B') are arranged on the speed changer output shaft (4). The hydraulic torque converter is introduced into a manual speed changer, so that the problems that the manual speed changer is difficult in gear starting, serious in traffic jam and the like are solved, and meanwhile the double-input-shaft speed changer is higher in transmission efficiency, better in economical efficiency, simpler in structure and lower in maintenance cost than an automatic speed changer in times of high gear.

The invention discloses a mine brine pretreatment method. The method comprises the following steps: introducing water by virtue of a brine inlet main pipe, separating the inflow water into two parts, namely brine and associated gas by virtue of a moisture separator, conveying the brine into a salt making workshop for salt manufacturing, and conveying the associated gas to a waste gas combustion device for combusting. The method is characterized in that before the associated gas is conveyed into the waste gas combustion device, the moisture mixed in the associated gas is separated and returns into the salt making workshop, so that the combustion effect of the waste gas combustion device is guaranteed, and the brine utilization rate is improved. The method disclosed by the invention has the advantages that the brine separation degree is high, the brine utilization rate is high, the separated associated gas is full in combustion, the combustion flame is stable, flameout is difficultly caused, repeated ignition of workers is avoided, the operational risk coefficient of the workers is reduced, the condition that the environmental pollution is caused due to overflow of the associated gas is avoided by virtue of closed brine extraction, and the like.

The invention relates to the field of engines. An engine mainly comprises a cylinder, a piston arranged in the cylinder, a connecting rod connected with the piston, an air inlet device and an air exhausting device. The air inlet device provides combustible gas for the cylinder, and the air exhausting device discharges waste gas in the cylinder. The engine further comprises a track mechanism and an elastic mechanism. A closed track is arranged on one side of the track mechanism, the lower end of the connecting rod is tightly matched with the closed track, the track mechanism is matched with the connecting rod to circumferentially rotate, the lower end of the connecting rod slides for one round in the closed track to finish four strokes, the elastic mechanism abuts against the bottom end of the connecting rod and is fixedly connected with a transmission shaft, and the transmission shaft is provided with an output mechanism. The engine is simple in structure, convenient and practical; power can be transmitted more quickly, and accordingly the engine is started easily and is not shut down easily; and the engine is high in compression ratio, saves energy and is high in energy conversion efficiency.

The invention discloses an inner ring fire cover and a cooker including the same. The inner ring fire cover comprises: a fire cover body, which has an inner cavity inside the fire cover body; a main fire hole, and the main fire hole ring is arranged on the fire cover body; Small flame hole, the small hole for stabilizing the flame is set above the main fire hole, and the inside of the small hole for stabilizing the flame communicates with the inner cavity, and the outside of the small hole for stabilizing the flame leads to the outer wall of the fire cover body; anti-blocking brim, anti-blocking brim It is arranged on the top of the fire cover body and protrudes outward from the outer wall of the fire cover body; the upper flame stabilization groove is a groove formed under the brim of the anti-blocking hat, and the upper flame stabilization groove is located in the small flame stabilization hole The top of the lower flame stabilizing groove, the lower flame stabilizing groove is an annular groove arranged below the main fire hole, and the lower flame stabilizing groove is tangent to and connected with the main fire hole. The invention has a double flame-stabilizing structure, which ensures the temperature combustion of the flame, improves the fire-preserving performance at the main fire-preserving hole, and is not easy to extinguish the flame; increases the gas concentration at the ignition pin, and improves the success rate of ignition.

The invention discloses an energy-saving stove with a mesh enclosure and a silk screen. The energy-saving stove comprises a stove body, wherein a burner body is arranged in the middle of the inner surface of the stove body; a hearth bracket is arranged at the periphery of the inner surface of the stove body; a silk screen body is arranged above the hearth bracket; a spacing layer is arranged between the silk screen body and the inner surface of the hearth bracket; an upwards protruded middle burner is arranged in the middle of the upper surface of the burner body; a mesh enclosure body covers the outer ring of the middle burner; a mesh enclosure body of the silk screen body covers the burner; the mesh enclosure is integrally combusted in the flame of the burner; during normal combustion, relatively high flame exists, so that the burner is difficult to flame out; the silk screen body serves a ventilation transitional body of the inner surface of a hearth; materials of the silk screen structure are readily available; the silk screen is convenient to process and easy to replace; an overall practical effect is good; thickly dotted meshes are formed in the silk screen; a ventilation effect is good; the hearth bracket is arranged at the bottom, so that the structural strength is high, and the service life is long; and the spacing layer is arranged between the hearth bracket and the silk screen body, so that the ventilation space is large, and the air discharging smoothness is high.

The invention discloses an engine. The engine comprises an air cylinder A, a reciprocating movement structural body A, a reciprocating movement structural body B and rotary inertia bodies. A piston Aarranged on the reciprocating movement structural body A and a piston B arranged on the reciprocating movement structural body B are oppositely arranged in the air cylinder A. The reciprocating movement structural body A is arranged outside the air cylinder A. The reciprocating movement structural body A and the reciprocating movement structural body B are reversely linked through a transmission wheel, specifically, the transmission wheel and the rotary inertia bodies are arranged in a transmission mode. The transmission wheel conducts transmission on a power shaft X through a transmission path A and a transmission path B, an overrunning clutch A is arranged on the transmission path A, and an overrunning clutch B is arranged on the transmission path B. The transmission ratio of the transmission path A is a positive value, and the transmission ratio of the transmission path B is a negative value. The working directions of the overrunning clutches A and the overrunning clutches B are opposite. The transmission wheel which conducts transmission with the rotary inertia bodies and the transmission wheel which conducts transmission with the power shaft X are the same transmission wheel.The engine is not prone to flameout, is high in continuous working performance and can effectively break the limitation of a crankshaft-free air cylinder piston engine.

The invention discloses a solid-liquid scramjet engine, and belongs to the technical field of engines. The engine comprises an air inlet channel, a combustion chamber, a tail spray pipe, a fuel gas generator, an oil tank system, a control system and the like. The oil tank system comprises a high-pressure gas cylinder, a pressure reducing valve, a safety valve, fuel oil, an oil filter, a leather bag and the like, and the control system provides fuel oil flow meeting requirements for the scramjet engine according to set requirements. The fuel gas generator is mainly composed of a heat insulation combustion chamber, a wrapped grain, a long tail pipe spray pipe component and an igniter. The fuel gas generator is fixedly arranged in the oil tank system, and a long tail pipe of the fuel gas generator penetrates through the head portion of the combustion chamber and stretches into the combustion chamber. The solid-liquid scramjet engine can keep the advantages that the specific impulse of the liquid fuel scramjet engine is high, and the solid fuel scramjet engine is not prone to being shut down under a large attack angle, and meanwhile the defects that the liquid scramjet engine is prone to being shut down under the large attack angle, the thrust of the solid fuel scramjet engine is hard to adjust, and the specific impulse is low are overcome.

The invention discloses a hovercar. The hovercar comprises a hovercar body. The hovercar body is provided with two first lifting devices, two second lifting devices and two spinning devices. The two first lifting devices are arranged in the advancing direction of the hovercar body in a spaced manner. The two second lifting devices are arranged in the direction perpendicular to the advancing direction of the hovercar body in a spaced manner. The two spinning devices are correspondingly arranged with the two first lifting devices in a one-to-one manner, and are located in the middles of the correspondingly-arranged first lifting devices or below the correspondingly-arranged first lifting devices. The two first lifting devices are driven through two independent first drive motors respectively, and the two first drive motors are correspondingly arranged with the two first lifting devices respectively. The two second lifting devices are driven by two independent second drive motors respectively. The two second drive motors are correspondingly arranged with the two second lifting devices respectively. The hovercar has a higher safety coefficient, the problem that the response delay of a control system is long can be well solved, and rapid and accurate feedback control is achieved.

The invention provides a frequency locking method of plasma power. The frequency locking method includes the following steps: (A1) detecting peak voltage or peak current of a plasma coil, (A2) adjusting frequency of a signal source according to the peak voltage or the peak current, and (A3) outputting adjusted radio frequency power through fixed matching. The frequency locking method of the plasma power has the advantages of being high in efficiency, very little in outward radiation, good in work stability, high in reliability, capable of continuously adjusting the output frequency and zero reflection power and the like.