CN110761914B

CN110761914B - Pulse detonation engine

Info

Publication number: CN110761914B
Application number: CN201911094367.3A
Authority: CN
Inventors: 邢培培
Original assignee: Zhejiang Saiba Industry And Trade Co ltd
Current assignee: ZHEJIANG SAIBA INDUSTRY AND TRADE Co.,Ltd.
Priority date: 2019-11-11
Filing date: 2019-11-11
Publication date: 2021-01-29
Anticipated expiration: 2039-11-11
Also published as: CN110761914A

Abstract

The invention discloses a pulse detonation engine which comprises a sleeve type underframe, an output composite device, a detonation pulse device, a fuel transfer device and a control electric box, wherein the output composite device is arranged at one end of the detonation pulse device, the fuel transfer device is arranged at the other end of the detonation pulse device, the detonation pulse device is arranged in the sleeve type underframe, the output composite device comprises a conical fixed sleeve and a composite power output device, two ends of the conical fixed sleeve are provided with fixed supports, the composite power output device comprises a detonation injection shaft sleeve set, a power generator and a driving wheel disc, and the power generator is sleeved on the detonation injection shaft sleeve set. The ignition control and pulse controller of the invention adopts linkage control, can realize effective discharge of instantaneous detonation pulse and generate high-pressure injection force, and can realize double output of reverse thrust generated by injection and mechanical energy by adopting a unique output composite device.

Description

Pulse detonation engine

Technical Field

The invention relates to the technical field of pulse engines, in particular to a pulse detonation engine.

Background

The invention relates to a pulse detonation engine, in particular to a pulse detonation engine based on detonation combustion, which is mainly applied to the driving field requiring higher thrust such as aerospace and the like, wherein the detonation engine has the following defects that 1, the thrust generated by the detonation engine is overhigh and is mainly applied to the driving aspect of reverse thrust, other driving machines are not applied at present, such as driving mechanical energy in the aspect of motor vehicle power, 2, a pulse ignition device of the detonation pulse engine is an independent control unit, and the ignition device needs to adopt the independent control unit to control pulse ignition of fuel, so that the invention provides the pulse detonation engine.

Disclosure of Invention

The present invention is directed to a pulse detonation engine that solves the problems set forth above in the background.

In order to achieve the purpose, the invention provides the following technical scheme:

a pulse detonation engine comprises a sleeve type chassis, an output composite device, a detonation pulse device, a fuel transfer device and a control electronic box, wherein the output composite device is arranged at one end of the detonation pulse device, the fuel transfer device is arranged at the other end of the detonation pulse device, the detonation pulse device is arranged inside the sleeve type chassis, the output composite device comprises a conical fixed sleeve and a composite power output device, two ends of the conical fixed sleeve are provided with fixed supports, the composite power output device comprises a detonation injection shaft sleeve set, a power generator and a driving wheel disc, the power generator is sleeved on the detonation injection shaft sleeve set, the driving wheel disc is sleeved at one end of the detonation injection shaft sleeve set, the fixed supports are provided with rotary holes, the composite power output device is arranged on the conical fixed sleeve through the matching of the detonation injection shaft sleeve set and the rotary holes, the detonation pulse device comprises a combustion chamber sleeve, a pulse controller and an ignition drive group, wherein the pulse controller is arranged at one end of the combustion chamber sleeve, the ignition drive group is arranged at one side of the combustion chamber sleeve, the pulse controller comprises a pulse bottom plate, a pulse rotor and a composite connecting rod group, a groove rotary hole is formed in the pulse bottom plate, a rotary shaft, a pulse pressing plate and a drive plate are arranged on the pulse rotor, the pulse rotor is arranged on the pulse bottom plate through the matching of the rotary shaft and the groove rotary hole, a drive rod is arranged on the composite connecting rod group, a bolt and a shifting shaft are arranged on the drive rod, a sleeve is arranged on the drive plate, the sleeve on the drive plate is matched with the bolt on the drive rod, the ignition drive group comprises a telescopic sleeve, a composite piston rod group, a compression spring and an elastic air resistance, and the composite piston rod group is sleeved inside, the telescopic tube is internally provided with a partition plate, the composite piston rod group is provided with a lower plate, an upper plate, a push shaft and an exhaust shaft, the compression spring is arranged between the lower plate and the partition plate, the elastic air resistance is internally provided with a choke plate and a reset spring, the fuel transfer device comprises a transfer storage cavity and a pressure valve group, the pressure valve group is arranged on one side of the transfer storage cavity, the pressure valve group comprises a thrust valve rod, a guide sleeve and a thrust spring, the thrust valve rod is sleeved inside the guide sleeve, one end of the thrust valve rod is provided with the exhaust plate, the other end of the thrust valve rod is provided with a pressure block, the thrust spring is arranged between the thrust valve rod and the guide sleeve, and the control electric box is provided with a control button.

As a preferred embodiment of the invention, the telescopic sleeve is provided with a first air inlet pipe and a second air inlet pipe, the conical fixing sleeve is provided with an exhaust pipe, the transfer cavity is provided with an air delivery pipe, the air delivery pipe is connected with the first air inlet pipe through an elastic air resistance, and the exhaust pipe is connected with the second air inlet pipe through a pipeline.

As a preferred embodiment of the present invention, the sleeve and the plug form a rotation pair, one end of the driving rod is provided with a connecting pin, and one end of the pushing shaft is connected to the driving rod through the connecting pin.

As a preferred embodiment of the present invention, the lower plate is provided with a fixing hole, the lower plate is mounted on the push shaft through the matching of the fixing hole and the push shaft, one side of the upper plate is connected with the exhaust shaft, the other side of the upper plate is connected with the push shaft, the upper plate is provided with an annular exhaust passage, and the push shaft is provided with an exhaust hole.

In a preferred embodiment of the present invention, a discharger is disposed in the combustion chamber sleeve, and a communicating vessel is disposed at one end of the pushing shaft.

As a preferred embodiment of the present invention, the control button includes a discharging button, and the control button is connected to the discharger through a wire.

In a preferred embodiment of the present invention, the thrust valve stem is provided with an air passage therein.

As a preferred embodiment of the present invention, an access pipe is disposed at one end of the unloading cavity, and a matching plate is disposed at the other end of the unloading cavity.

In a preferred embodiment of the present invention, an air injection passage is provided in the knocking injection shaft sleeve, and an air discharge passage is provided in the air discharge shaft.

In a preferred embodiment of the present invention, a pulse punching hole two is provided on the pulse base plate, a pulse punching hole one is provided on the pulse pressure plate, a main blade is provided on an outer side of the power generator, and an auxiliary blade is provided in an inner cavity of the power generator.

Compared with the prior art, the invention has the beneficial effects that:

1. the pulse detonation engine has high jet propulsion and rotary mechanical energy output, the existing pulse detonation engine is mainly used in the field of aerospace high-pressure jet propulsion, and the composite function power output can be suitable for other power places.

2. The ignition control and the pulse controller adopt linkage control, the fuel in the combustion device is in a high-pressure state, the high-pressure fuel can realize synchronous generation of ignition and pulse detonation, and the instantaneous detonation pulse can be effectively discharged to generate high-pressure injection force.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional structural view of an output compound device of the present invention;

FIG. 3 is a schematic cross-sectional structural view of a knock pulsing device of the present invention;

FIG. 4 is a schematic cross-sectional structural view of a fuel dump according to the present invention;

FIG. 5 is a schematic structural diagram of a pressure valve assembly of the present invention;

FIG. 6 is a schematic structural view in section of the ignition drive train of the present invention;

FIG. 7 is a schematic structural diagram of a pulse controller according to the present invention; (ii) a

In the figure: 1-sleeve type underframe, 2-output composite device, 3-detonation impulse device, 4-fuel dump, 5-control electric box, 6-conical fixed sleeve, 7-composite power output device, 8-fixed bracket, 9-detonation injection shaft sleeve set, 10-power generator, 11-driving wheel disc, 12-combustion chamber sleeve, 13-impulse controller, 14-ignition driving set, 15-impulse bottom plate, 16-impulse rotor, 17-composite connecting rod set, 18-groove rotary hole, 19-rotary shaft, 20-impulse pressure plate, 21-driving plate, 22-driving rod, 23-bolt, 24-dial shaft, 25-sleeve, 26-inertia plate, 27-telescopic sleeve, 28-composite piston rod set, 28-combustion chamber sleeve, piston rod, piston, 29-compression spring, 30-elastic air resistance, 31-partition plate, 32-lower plate, 33-upper plate, 34-push shaft, 35-exhaust shaft, 36-choke plate, 37-reset spring, 38-transfer cavity, 39-pressure valve group, 40-thrust valve rod, 41-guide sleeve, 42-thrust spring, 43-exhaust plate, 44-air inlet pipe II, 45-pressure block, 46-exhaust pipe, 47-connecting pin, 48-annular exhaust pipe, 49-discharger, 50-communicating vessel, 51-access pipe, 52-air channel, 53-exhaust pipe, 54-air pipe, 55-mating plate, 56-air channel, 57-pulse hole I, 58-pulse hole II, 59-main blade, 60-auxiliary blade, 61-inlet pipe I.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution:

the utility model provides a pulse detonation engine, includes telescopic chassis 1, output set composite 2, detonation impulse device 3, fuel transfer and storage device 4 and control electronic box 5, output set composite 2 sets up the one end at detonation impulse device 3, fuel transfer and storage device 4 sets up the other end at detonation impulse device 3, detonation impulse device 3 sets up the inside at telescopic chassis 1, output set composite 2 includes the fixed cover of toper 6 and composite power output 7, the both ends of the fixed cover of toper 6 are equipped with fixed bolster 8, composite power output 7 includes detonation jet axle suit 9, power generator 10 and drive rim plate 11, power generator 10 cover is established on detonation jet axle suit 9, the one end at detonation jet axle suit 9 is established to drive rim plate 11 cover, be equipped with the gyration hole on the fixed bolster 8, composite power output 7 installs at the fixed cover of toper 6 through the cooperation of detonation jet axle suit 9 and gyration hole On, detonation impulse device 3 includes combustion chamber cover 12, impulse controller 13 and ignition drive group 14, impulse controller 13 sets up the one end at combustion chamber cover 12, ignition drive group 14 sets up the one side at combustion chamber cover 12, impulse controller 13 includes pulse bottom plate 15, pulse rotor 16 and compound connecting rod group 17, be equipped with recess gyration hole 18 on pulse bottom plate 15, be equipped with pivot 19, pulse clamp plate 20 and drive plate 21 on the pulse rotor 16, pulse rotor 16 installs on pulse bottom plate 15 through the cooperation of pivot 19 and recess gyration hole 18, be equipped with actuating lever 22 on the compound connecting rod group 17, be equipped with bolt 23 and dial axle 24 on actuating lever 22, be equipped with sleeve pipe 25 on the drive plate 21, sleeve pipe 25 on the drive plate 21 cooperates with bolt 23 on the actuating lever 22, ignition drive group 14 includes telescopic tube 27, The composite piston rod set 28, the compression spring 29 and the elastic air resistor 30, the composite piston rod set 28 is sleeved in the telescopic sleeve 27, a partition plate 31 is arranged in the telescopic sleeve 27, a lower plate 32, an upper plate 33, a push shaft 34 and an exhaust shaft 35 are arranged on the composite piston rod set 28, the compression spring 29 is arranged between the lower plate 32 and the partition plate 31, an air baffle plate 36 and a reset spring 37 are arranged in the elastic air resistor 30, the fuel transfer and storage device 4 comprises a transfer and storage cavity 38 and a pressure valve set 39, the pressure valve set 39 is arranged on one side of the interior of the transfer and storage cavity 38, the pressure valve set 39 comprises a thrust valve rod 40, a guide sleeve 41 and a thrust spring 42, the thrust valve rod 40 is sleeved in the guide sleeve 41, an exhaust plate 43 is arranged at one end of the thrust valve rod 40, a pressure block 45 is arranged at the other end of the thrust valve rod 40, the thrust spring 42 is arranged between the thrust valve rod, and a control button is arranged on the control electric box 5.

As a preferred embodiment of the present invention, a first air inlet pipe 61 and a second air inlet pipe 44 are arranged on the telescopic sleeve 27, an exhaust pipe 46 is arranged on the conical fixing sleeve 6, an air delivery pipe 54 is arranged on the transfer cavity 38, the air delivery pipe 54 is connected with the first air inlet pipe 61 through the elastic air resistor 30, and the exhaust pipe 46 is connected with the second air inlet pipe 44 through a pipeline.

In a preferred embodiment of the present invention, the sleeve 25 and the plug 23 form a rotation pair, one end of the driving rod 22 is provided with a connecting pin 47, and one end of the pushing shaft 34 is connected to the driving rod 22 through the connecting pin 47.

In a preferred embodiment of the present invention, the lower plate 32 is provided with a fixing hole, the lower plate 32 is mounted on the pushing shaft 34 through the matching of the fixing hole and the pushing shaft 34, one side of the upper plate 33 is connected with the exhaust shaft 35, the other side of the upper plate 33 is connected with the pushing shaft 34, the upper plate 33 is provided with an annular exhaust passage 48, and the pushing shaft 34 is provided with an exhaust hole.

In a preferred embodiment of the present invention, a discharger 49 is disposed in the combustion chamber sleeve 12, and a communicating vessel 50 is disposed at one end of the pushing shaft 34.

As a preferred embodiment of the present invention, the control button includes a discharging button, and the control button is connected to the discharger 49 through an electric wire.

In a preferred embodiment of the present invention, the thrust valve stem 40 is provided with an air passage 56.

In a preferred embodiment of the present invention, an access tube 51 is disposed at one end of the unloading cavity 38, and a matching plate 55 is disposed at the other end of the unloading cavity 38.

In a preferred embodiment of the present invention, an air injection passage 52 is provided in the knocking injection shaft set 9, and an air discharge passage 53 is provided in the air discharge shaft 35.

In a preferred embodiment of the present invention, the pulse base plate 15 is provided with a pulse hole two 58, the pulse pressure plate 20 is provided with a pulse hole one 57, the outer side of the power generator 10 is provided with a main blade 59, and the inner cavity of the power generator 10 is provided with a secondary blade 60.

The working principle is as follows: firstly, the control electric box 5 is connected with an external power supply through an electric wire, the external power supply supplies power to the pulse detonation engine, the connecting pipe 51 is connected with external atomized fuel, the external atomized fuel supplies fuel to the engine, the discharge button is manually pressed, the pressure is increased along with the increase of the atomized fuel in the dump cavity 38, the pressure block 45 in the pressure valve group 39 is pressed to start to move rightwards, the thrust spring 42 is compressed, the exhaust plate 43 leaves the matching plate 55, the fuel with pressure enters the combustion cavity sleeve 12 through the vent passage 56, meanwhile, the fuel with pressure is conveyed into the elastic air resistor 30 through the gas conveying pipe 54, along with the gradual increase of the pressure of the atomized fuel in the combustion cavity sleeve 12, the pressure of the atomized fuel in the elastic air resistor 30 is simultaneously increased, the air resistor 36 is pushed to move leftwards, the return spring 37 starts to compress, the air in the lower plate 32 and the partition plate 31 is pressurized, the composite piston rod group 28 is pushed to move downwards, the communicating device 50 on the push shaft 34 is contacted with the discharger 49, the discharger 49 is electrified to generate electric shock, at the moment, atomized fuel in the combustion chamber sleeve 12 rapidly explodes to generate a large amount of impact force, the push shaft 34 moves from top to bottom and simultaneously drives the driving rod 22 to move downwards to the limit, the bolt 23 on the driving rod 22 rotates relatively in the sleeve 25, the driving plate 21 rotates to enable the pulse punching hole I57 on the pulse pressing plate 20 to correspond to the pulse punching hole II 58 on the pulse bottom plate 15, the large impact force enters the conical fixing sleeve 7 through the pulse punching hole I57 and the pulse punching hole II 58, the large impact air flow impacts the composite power output device 7, the main blade 59 on the outer surface of the power generator 10 and the air flow interact to drive the composite power output device 7 to start rotating, the air flow continuously flows into the inner cavity of the power generator 10 and interacts with the auxiliary blade 60 in the inner cavity to further improve the rotating, so far, the high-speed rotation can be converted into mechanical energy required by common machinery through the driving wheel disc 11, so that the mechanical energy conversion of detonation is realized, high-pressure impact airflow in the inner cavity of the power generator 10 starts to be discharged through the air injection channel 52 to generate reverse thrust, and thus, the function of detonation reverse thrust is also realized, a part of detonation airflow in the conical fixing sleeve 6 enters the air inlet pipe two 44 through the air outlet pipe 46, so that the detonation airflow enters a closed space formed by the partition plate 31 and the upper plate 33, the pressure in the closed space suddenly increases to push the composite piston rod group 28 to move upwards, the compression spring 29 contracts, the air outlet channel 53 is communicated with the outside, the detonation airflow is discharged, the communicating device 50 is separated from the discharger 49, the discharger 49 is powered off and stops electric shock, the upward movement of the composite piston rod group 28 drives the driving rod 22 to move upwards, the driving plate 21 continues, and then the combustion cavity sleeve 12 enters a closed state again to wait for the next cycle, thereby realizing pulse detonation power.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A pulse detonation engine, characterized by: comprises a sleeve type chassis (1), an output composite device (2), a detonation pulse device (3), a fuel transfer device (4) and a control electric box (5), wherein the output composite device (2) is arranged at one end of the detonation pulse device (3), the fuel transfer device (4) is arranged at the other end of the detonation pulse device (3), the detonation pulse device (3) is arranged in the sleeve type chassis (1), the output composite device (2) comprises a conical fixing sleeve (6) and a composite power output device (7), two ends of the conical fixing sleeve (6) are provided with fixing supports (8), the composite power output device (7) comprises a detonation jet shaft sleeve set (9), a power generator (10) and a driving wheel disc (11), the power generator (10) is sleeved on the detonation jet shaft sleeve set (9), the driving wheel disc (11) is sleeved at one end of the detonation jet shaft sleeve set (9), the detonation pulse device is characterized in that a rotary hole is formed in the fixed support (8), the composite power output device (7) is installed on the conical fixed sleeve (6) through the cooperation of the detonation injection shaft sleeve set (9) and the rotary hole, the detonation pulse device (3) comprises a combustion chamber sleeve (12), a pulse controller (13) and an ignition driving set (14), the pulse controller (13) is arranged at one end of the combustion chamber sleeve (12), the ignition driving set (14) is arranged on one side of the combustion chamber sleeve (12), the pulse controller (13) comprises a pulse bottom plate (15), a pulse rotor (16) and a composite connecting rod set (17), a groove rotary hole (18) is formed in the pulse bottom plate (15), a rotary shaft (19), a pulse pressing plate (20) and a driving plate (21) are arranged on the pulse rotor (16), and the pulse rotor (16) is installed on the pulse bottom plate (15) through the cooperation of the rotary shaft (19) and the groove rotary hole (18), the composite connecting rod set is characterized in that a driving rod (22) is arranged on the composite connecting rod set (17), a bolt (23) and a shifting shaft (24) are arranged on the driving rod (22), a sleeve (25) is arranged on the driving plate (21), the sleeve (25) on the driving plate (21) is matched with the bolt (23) on the driving rod (22), the ignition driving set (14) comprises a telescopic sleeve (27), a composite piston rod set (28), a compression spring (29) and an elastic air resistance (30), the composite piston rod set (28) is sleeved inside the telescopic sleeve (27), a partition plate (31) is arranged in the telescopic sleeve (27), a lower plate (32), an upper plate (33), a pushing shaft (34) and an exhaust shaft (35) are arranged on the composite piston rod set (28), the compression spring (29) is arranged between the lower plate (32) and the partition plate (31), a choke plate (36) and a reset spring (37) are arranged in the elastic air resistance (30), the fuel transfer and storage device (4) comprises a transfer and storage cavity (38) and a pressure valve group (39), the pressure valve group (39) is arranged on one side of the inside of the transfer and storage cavity (38), the pressure valve group (39) comprises a thrust valve rod (40), a guide sleeve (41) and a thrust spring (42), the thrust valve rod (40) is sleeved in the guide sleeve (41), one end of the thrust valve rod (40) is provided with an exhaust plate (43), the other end of the thrust valve rod (40) is provided with a pressure block (45), the thrust spring (42) is arranged between the thrust valve rod (40) and the guide sleeve (41), a control button is arranged on the control electric box (5), an exhaust pipe (46) is arranged on the conical fixed sleeve (6), a gas pipe (54) is arranged on the transfer and storage cavity (38), one end of an elastic gas resistor (30) in the ignition driving group (14) is communicated with the gas pipe (54) on the fuel transfer and storage device (4), the other end of the piston rod group is communicated with a part of space in the telescopic sleeve (27), a push shaft (34) in the ignition driving group (14) is connected with a driving rod (22) in the pulse controller (13), and an exhaust pipe (46) on the conical fixing sleeve (6) is communicated with the other part of space in the telescopic sleeve (27) to enable the composite piston rod group (28) in the telescopic sleeve (27) to move up and down.

2. A pulse detonation engine as claimed in claim 1, characterised in that: the telescopic sleeve (27) is provided with a first air inlet pipe (61) and a second air inlet pipe (44), the air delivery pipe (54) is connected with the first air inlet pipe (61) through an elastic air resistance (30), and the exhaust pipe (46) is connected with the second air inlet pipe (44) through a pipeline.

3. A pulse detonation engine as claimed in claim 1, characterised in that: the sleeve (25) and the plug pin (23) form a rotation pair, one end of the driving rod (22) is provided with a connecting pin (47), and one end of the push shaft (34) is connected with the driving rod (22) through the connecting pin (47).

4. A pulse detonation engine as claimed in claim 1, characterised in that: the exhaust device is characterized in that a fixing hole is formed in the lower plate (32), the lower plate (32) is installed on the push shaft (34) through the matching of the fixing hole and the push shaft (34), one side of the upper plate (33) is connected with the exhaust shaft (35), the other side of the upper plate (33) is connected with the push shaft (34), an annular exhaust passage (48) is formed in the upper plate (33), and an exhaust hole is formed in the push shaft (34).

5. A pulse detonation engine as claimed in claim 1, characterised in that: a discharger (49) is arranged in the combustion cavity sleeve (12), and a communicating vessel (50) is arranged at one end of the pushing shaft (34).

6. The pulse detonation engine of claim 5, wherein: the control buttons include a discharge button, which is connected to a discharger (49) through an electric wire.

7. A pulse detonation engine as claimed in claim 1, characterised in that: an air channel (56) is arranged in the thrust valve rod (40).

8. A pulse detonation engine as claimed in claim 1, characterised in that: one end of the unloading cavity (38) is provided with an access pipe (51), and the other end of the unloading cavity (38) is provided with a matching plate (55).

9. A pulse detonation engine as claimed in claim 1, characterised in that: an air injection channel (52) is arranged in the detonation injection shaft sleeve set (9), and an exhaust channel (53) is arranged in the exhaust shaft (35).

10. A pulse detonation engine as claimed in claim 1, characterised in that: the pulse pressing plate is characterized in that a pulse punching hole II (58) is arranged on the pulse bottom plate (15), a pulse punching hole I (57) is arranged on the pulse pressing plate (20), a main blade (59) is arranged on the outer side of the power generator (10), and an auxiliary blade (60) is arranged in the inner cavity of the power generator (10).