Summary of the invention
The main object of the present invention is to propose a kind of working substance supply device, it is intended to improve solid ablation pulsed thruster work
The stability and reliability of work.
To achieve the above object, working substance supply device proposed by the present invention is used for solid ablation pulsed thruster, described
Solid ablation pulsed thruster includes electric discharge device, and the electric discharge device includes conductive anode and conductive cathode, the working medium
Feedway includes:
Guide rail;
Multiple solid working medium, the solid working medium are slidably arranged in the guide rail;Adjacent to the described of the electric discharge device
Solid working medium is at least partly fastened between the conductive anode and the conductive cathode;And
Propulsion device, the propulsion device is to push the solid working medium in guide rail to slide to the electric discharge device.
Optionally, the solid working medium of the neighbouring electric discharge device is bonded with the end face between adjacent solid working medium.
Optionally, the one end of the guide rail far from the electric discharge device is arranged in the propulsion device.
Optionally, the propulsion device is any one in spring, electronic pusher, pneumatic pusher or hydraulic driver
Kind.
Optionally, the guide rail includes curve rail segment.
Optionally, the curve rail segment helically type, any one in U-shaped or detour type.
Optionally, the guide rail further includes straight rail section, and the curve rail segment is connect with the straight rail section.
The present invention also proposes a kind of solid ablation pulsed thruster, including above-mentioned working substance supply device;And electric discharge dress
It sets, the electric discharge device is connected to end of the guide rail far from the propulsion device, and the electric discharge device includes conductive anode
And conductive cathode.
Optionally, the electric discharge device or the guide rail are equipped with retention bead, the solid of the neighbouring electric discharge device
The one end of working medium far from adjacent solid working medium is abutted with the retention bead, to limit the solid work being located in the electric discharge device
The displacement of matter.
Optionally, the electric discharge device is equipped with the retention bead, retention bead setting the conductive anode and/
Or conductive cathode.
Technical solution of the present invention is slidably arranged in guide rail by using multiple solid working medium, pushes solid with propulsion device
Working medium is slided to electric discharge device, realizes working medium sustainable supply.When consolidating between the conductive anode and the conductive cathode
Body working medium by electric arc calcination it is complete after, the subsequent solid working medium of the neighbouring solid working medium be pushed into device promote the conductive anode and
Between the conductive cathode, the calcination pattern of the solid working medium is not extended to subsequent solid working medium surface, the subsequent solid
The pattern of working medium is not influenced by preceding solid working medium ablation pattern, therefore often runs out of a solid working medium, subsequent solid work
Matter updates the pattern of the ablation end face for the solid working medium for being exposed to the electric discharge device, avoids the burning because of working medium
The ablation of erosion end face different zones shrink back rate it is different caused by thruster electric discharge working characteristics significantly alter, improve solid
The stability and reliability of ablation pulsed thruster work.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that if relating to directionality instruction (such as up, down, left, right, before and after ...) in the embodiment of the present invention,
Then directionality instruction be only used for explain under a certain particular pose (as shown in the picture) between each component relative positional relationship,
Motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, being somebody's turn to do " first ", " second " etc. if relating to the description of " first ", " second " etc. in the embodiment of the present invention
Description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated skill
The quantity of art feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.It in addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
It is enough realize based on, will be understood that the knot of this technical solution when conflicting or cannot achieve when occurs in the combination of technical solution
Conjunction is not present, also not the present invention claims protection scope within.
The present invention proposes a kind of working substance supply device.
In embodiments of the present invention, as shown in Figure 1, the working substance supply device is used for solid ablation pulsed thruster, institute
Stating solid ablation pulsed thruster includes electric discharge device 400, and the electric discharge device 400 includes conductive anode 410 and conduction yin
Pole 420, the working substance supply device include:
Guide rail 100;Multiple solid working medium 2s 00, the solid working medium 2 00 are slidably arranged in the guide rail 100;Neighbouring institute
The solid working medium 2 00 for stating electric discharge device 400 is at least partly fastened on the conductive anode 410 and the conductive cathode 420
Between;And propulsion device 300, the propulsion device 300 is to push the solid working medium 2 00 in guide rail 100 to the electric discharge
Device 400 slides.When thruster electric discharge work, in the conductive anode 410 and the conductive cathode of the electric discharge device 400
Electric arc is generated between 420, electric arc calcination ionization is fastened on solid work between the conductive anode 410 and the conductive cathode 420
Matter 200, product accelerates to spray under the collective effect of Lorentz force and aerodynamic force, to generate thrust.In the guide rail 100
Equipped with multiple solid working medium 2s 00, when the solid working medium 2 00 between the conductive anode 410 and the conductive cathode 420
By electric arc calcination it is complete after, the subsequent solid working medium 2 00 of the neighbouring solid working medium 2 00 is pushed into device 300 and promotes the conductive sun
Between pole 410 and the conductive cathode 420, the calcination pattern of the solid working medium 2 00 is not extended to subsequent 00 table of solid working medium 2
Face, the pattern of the subsequent solid working medium 2 00 is not influenced by preceding 00 ablation pattern of solid working medium 2, therefore often runs out of one
Solid working medium 2 00, subsequent solid working medium 2 00 make the solid work of 420 calcination of the conductive anode 410 and the conductive cathode
The pattern of the ablation end face of matter 200 is updated, and is avoided because of thrust caused by the ablated generation excessive deformation in working medium end face
Device flash-over characteristic significantly alters, and improves the stability and reliability of the work of solid ablation pulsed thruster.
Further, as shown in Figure 1, the solid working medium 2 00 of the neighbouring electric discharge device 400 and adjacent solid work
End face fitting between matter 200, in the present embodiment, the solid working medium 2 00 is rectangular block, the two adjacent solid working medium
End face between 200 is plane, the end face fitting between the two adjacent solid working medium 2 00, and the two adjacent solid
It closely crimps between working medium 2 00 and does not interspace, when so that working medium being replaced, electric arc is uninterrupted to the ablation process of working medium.This implementation
End face is not limited only to plane between two adjacent solid working medium 2s 00 described in example, in other embodiments, is also possible to curved surface, and
End face fitting between the two adjacent solids working medium, so as to not stay gap between the two adjacent solids working medium.The present invention is adjacent to institute
The end face stated between the solid working medium of electric discharge device and adjacent solid working medium is not limited only to be bonded, in other embodiments
In, the solid working medium for being also possible to the neighbouring electric discharge device is abutted with the end face part between adjacent solid working medium.
Solid working medium described in the present embodiment is not limited only to rectangular block, in other embodiments, is also possible to cylinder or rectangular sheet
Shape.
Further, as shown in Figure 1, the propulsion device 300 is arranged in the guide rail 100 far from the electric discharge device
400 one end, the propulsion device 300 are connect with the guide rail 100.The propulsion device 300 is put with track far from described
The solid working medium 2 00 of electric installation 400 abuts, and presses to the solid working medium 2 00 so that the solid working medium 2 00 in guide rail 100 it
Between mutually abut, when the solid working medium 2 00 between the conductive anode 410 and the conductive cathode 420 is consumed, institute
Stating propulsion device 300 pushes subsequent solid working medium 2 00 to enter between the conductive anode 410 and the conductive cathode 420, realizes
The sustainable supply of solid working medium 2 00.Propulsion device 300 described in the present embodiment is not limited in being connected on the guide rail 100,
In other embodiments, being also possible to the solid ablation pulsed thruster includes shell, and the guide rail is connected to described outer
The inside of shell, the propulsion device are fixedly connected on the inside of the shell, and the propulsion device is located at the guide rail far from institute
State one end of electric discharge device.
Further, as shown in Figure 1, the propulsion device 300 is spring, one end of the spring and the guide rail 100
Connection, the other end of spring are abutted with the solid working medium 2 00, and the spring is in compressive state, and the spring is freely grown
Degree is greater than the length of the guide rail 100.Spring have that structure is simple, small in size, Bendable telescopic, easy for installation, quality are small and
Cheap advantage;Small in size facilitate of spring is arranged in guide rail 100, and without occupying other installation spaces, spring can
Bending is flexible so that spring can adapt to the shape of guide rail 100, and when guide rail 100 is Curved, spring still can be in guide rail
Free extension in 100, spring the modes such as can fix by screw in guide rail 100, weld, are clamped and fix, installation process letter
It is single, be conducive to the assembly efficiency for improving solid ablation pulsed thruster.Propulsion device 300 described in the present embodiment is not limited in
Spring is also possible to electronic pusher in other embodiments, and the electronic pusher is more steady to the limit of solid working medium
Fixed, when the work of solid ablation pulsed thruster, propulsive thrust of the solid working medium by propelling particles, electronic pusher can be limited
Solid working medium processed is mobile to electric plating propulsion, the stabilization of solid working medium position when promoting the work of solid ablation pulsed thruster
Property, to promote the stability and reliability of solid ablation pulsed thruster work;Alternatively, pneumatic pusher;Alternatively, hydraulic
Pusher.
Further, in the present embodiment, as shown in Figure 1, the guide rail 100 includes straight rail section 110, the straight rail section
110 are arranged at least provided with two solid working medium 2s 00, the electric discharge device 400 in the straight rail section 110, solid working medium 2 00
End face part between conductive anode 410 and conductive cathode 420 is by arc erosion, when the working medium of the end face part is consumed
After complete, propulsion device 300, which promotes the solid working medium 2 00 into electric discharge device 400, enables the electric arc ablation solid working medium
The end face of 200 remainders, solid working medium 2 00, which is ionized by electric arc ablation layer by layer and is accelerated ejection, generates motive force;It is described solid
The side of track described in 00 face of body working medium 2 is set as straight line so that solid working medium 2 00 close to conductive cathode 420 part and
Charging rate close to the part of the conductive anode 410 is consistent, and the ablated solid working medium 2 00 of each layer is in conductive anode
410 to the Mass Distribution between conductive cathode 420 more evenly so that solid ablation pulsed thruster is in conductive anode 410
Motive force between conductive cathode 420 is more evenly distributed, and promotes the stability of solid ablation pulsed thruster work, in order to
Cooperate the straight sided of solid working medium 2 00, the guide rail 100 is set as straight rail close to the part of the electric discharge device 400, convenient solid
The supply of body working medium 2 00, while being conducive to fit closely between two solid working medium 2s 00 adjacent at neighbouring electric discharge device 400,
Ensure the continual and steady of working substance supply.
Further, in the present embodiment, as shown in Figure 1, the guide rail 100 further includes curve rail segment 120, the curve rail segment
120 connect with the straight rail section 110.Existing solid ablation pulsed thruster usually sets straight rail, monolith for guide rail 100
The solid working medium 2 00 of strip is arranged in guide rail 100, discharge channel 400 is fed under the promotion of propulsion device 300, for pushing away
The electric discharge ablation of power device generates thrust.Solid ablation pulsed thruster is applied to micro-nano satellite, big by installation space restriction degree, because
The length of this traditional straight rail is frequently subjected to restrict, so that the amount for the solid working medium 2 00 being mounted in straight rail is also restrained;This
The guide rail 100 of embodiment includes curve rail segment 120, and curve rail segment 120 can be bent according to installation space to be arranged, so that guide rail 100
Length is bigger, to obtain bigger 00 capacity of solid working medium 2, to meet the thruster long-life, the high application index always rushed is wanted
It asks.It is provided with multiple solid working medium 2s 00 in the guide rail 100 of the present embodiment, to adapt to curve rail segment 120, enables solid working medium 2 00
It is enough to be slided in bend, it can be entered under the promotion of propulsion device in electric discharge device 400 and realize working substance supply.The present embodiment
The guide rail 100 not only limits above-mentioned technical proposal, and in other embodiments, being also possible to the guide rail includes multiple bends
Section and multiple straight rail sections, the curve rail segment and the straight rail section are spaced apart from each other setting;Either, the guide rail only includes bend
Section, the solid working medium is elastic piece, seamless under the extruding of propulsion device positioned at multiple solid working medium close to electric discharge device
Fitting.
Further, in the present embodiment, as shown in Figure 1, the helically type of the curve rail segment 120, the curve rail segment 120
Front end is connected with straight rail section 110, and the rear end of the curve rail segment 120 is connected with spring, and the spring can be along the curve rail segment 120
Bending direction it is flexible.Curve rail segment 120 described in the present embodiment is not limited only to screw type, in other embodiments, is also possible to
It is U-shaped;Either, detour type.
Further, in the present embodiment, as shown in Figure 1, the solid working medium 2 00 be polytetrafluoroethylene (PTFE) working medium, poly- four
Vinyl fluoride by not bonding with low temperature, not deflating in not brittle, vacuum, the good physical vacuum characteristic such as self-lubricating.This implementation
The solid working medium 2 00 is not limited only to polytetrafluoroethylene (PTFE), and in other embodiments, it is poly- for being also possible to the solid working medium
Ethylene;Either, the solid working medium is polypropylene;It is also possible that the solid working medium is answering for polytetrafluoroethylene (PTFE) and metal
Condensation material.
The present invention also proposes a kind of solid ablation pulsed electric thruster, which includes putting
Electric installation and working substance supply device, the specific structure of the working substance supply device is referring to above-described embodiment, due to this solid ablation arteries and veins
Whole technical solutions that formula electric thruster uses above-mentioned all embodiments are rushed, therefore at least with the technical side of above-described embodiment
All beneficial effects brought by case, this is no longer going to repeat them.Wherein, the electric discharge device 400 is connected to the guide rail 100
End far from the propulsion device 300, the electric discharge device 400 include conductive anode 410 and conductive cathode 420.
Further, in the present embodiment, as shown in Figure 1 and Figure 2, the electric discharge device 400 is equipped with retention bead 430, institute
The medial surface that the conductive anode 410 is arranged in retention bead 430 is stated, the solid working medium of the neighbouring electric discharge device 400
200 one end far from adjacent solid working medium 2 00 is abutted with the retention bead 430, is located in the electric discharge device 400 with limitation
Solid working medium 2 00 displacement, one end of the solid working medium 2 00 in the electric discharge device 400 is by from propulsion device
300 extruding, the other end are limited protrusion 430 and abut, so that the position of the solid working medium 2 00 is stablized.Limit of the present invention
Position protrusion 430 is not limited only to above-mentioned technical proposal, in other embodiments, is also possible to the electric discharge device equipped with limit convex
It rises, the medial surface of the conductive cathode of the electric discharge device is arranged in the retention bead;Either, the electric discharge device is equipped with limit
The conductive cathode of the electric discharge device and the medial surface of conductive anode is arranged in position protrusion, the retention bead;Either, it is located at
The guide rail between the conductive anode and conductive cathode is equipped with retention bead, the solid work of the neighbouring electric discharge device
The one end of matter far from adjacent solid working medium is abutted with the retention bead, to limit the solid working medium being located in the electric discharge device
Displacement.
Technical solution of the present invention exists by using multiple solid working medium 2s 00, the solid working medium 2 00 is equipped in guide rail 100
It is slided in the guide rail 100, propulsion device 300 is to push the solid working medium 2 00 in guide rail 100 to the electric discharge device 400
Sliding, for the arc erosion between conductive anode 410 and conductive cathode 420, to generate motive force.It is filled positioned at the electric discharge
It sets after the solid working medium 2 00 in 400 runs out of, subsequent solid working medium 2 00 is pushed into device 300 and is pushed into electric discharge device 400, after
The pattern of continuous solid working medium 2 00 is not influenced by preceding 00 calcination pattern of solid working medium 2, therefore each new solid working medium
When in 200 entrance electric discharge devices 400, all the solid ablation pulsed thruster is once corrected, so that solid ablation arteries and veins
The formula thruster of punching keeps good, reliable and stable working condition;Guide rail 100 of the invention includes curve rail segment 120, curve rail segment 120
It can be bent according to installation space, make full use of installation space, be conducive to increase track length to increase solid working medium
200 carrying amount promotes the working life of solid ablation pulsed thruster;The guide rail 100 includes straight rail section 110, electric discharge
The setting of device 400 is conducive to working medium in straight rail section 110 convenient for the end face fitting between solid working medium adjacent in straight rail section 110
Electric discharge device 400 is continued into, the job stability of solid ablation pulsed thruster is promoted.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in scope of patent protection of the invention.