CN218293765U - Gas anode distributor for electric propulsion - Google Patents
Gas anode distributor for electric propulsion Download PDFInfo
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- CN218293765U CN218293765U CN202221889880.9U CN202221889880U CN218293765U CN 218293765 U CN218293765 U CN 218293765U CN 202221889880 U CN202221889880 U CN 202221889880U CN 218293765 U CN218293765 U CN 218293765U
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- gas
- base
- posts
- flow equalizing
- anode distributor
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Abstract
The utility model provides a gas anode distributor for electric propulsion, include: the base is made of non-metal materials, the base is annular, a plurality of hole columns are arranged along the first end face of the base, the hole columns are at least provided with a power distribution column and an air inlet column, and the power distribution column is used for conducting electricity; the adapter plate is provided with a plurality of first flow equalizing holes, and a first butt joint surface of the adapter plate is in butt joint with the second end surface of the base to form a first gas flow equalizing space; the top plate is provided with a plurality of second flow equalizing holes, and the end surface of the top plate is butted with the second butting surface of the adapter plate to form a second space for equalizing gas flow; gas enters the first space through the gas inlet column, enters the second space through at least the first flow equalizing hole and flows out through the second flow equalizing hole. The electrically propelled gas anode distributor has high reliable insulating performance.
Description
Technical Field
The utility model relates to an electric propulsion system field, concretely relates to be used for electric propulsive gaseous anode distributor.
Background
Electric propulsion is an advanced space propulsion technology, and the design difficulty of a gas distributor is increased along with the low power of the electric thruster and the great reduction of the volume of a discharge channel of a thruster. In actual use, the electrically propelled anode needs to be switched on to high voltage. To achieve insulation of the anode high voltage from the electrical propulsion overall structure, the insulating properties of the electrical propulsion gas anode distributor need to be increased.
In view of the above, it is desirable to design an electrically propelled gas anode distributor that is easy to assemble and has high reliability insulating capability.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a gas anode distributor for electric propulsion.
The utility model provides a gas anode distributor for electric propulsion, include: the base is made of a non-metal material, the base is annular, a plurality of hole columns are arranged along the first end face of the base, the hole columns are at least provided with a power distribution column and an air inlet column, and the power distribution column is used for conducting electricity; the adapter plate is provided with a plurality of first flow equalizing holes, and a first butt joint surface of the adapter plate is in butt joint with the second end surface of the base to form a first gas flow equalizing space; the top plate is provided with a plurality of second flow equalizing holes, and the end surface of the top plate is butted with the second butting surface of the adapter plate to form a second space for equalizing gas flow; and gas enters the first space through the gas inlet column, enters the second space through at least the first flow equalizing hole and flows out through the second flow equalizing hole.
According to an embodiment of the present invention, the base is made of alumina ceramic.
According to the utility model discloses an embodiment, the keysets adopts the ceramic seal alloy material.
According to the utility model discloses an embodiment, the roof adopts stainless steel.
According to the utility model discloses an embodiment, the base a plurality of hole posts include four hole posts, four hole posts are in the circumference interval 90 degrees of base evenly set up.
According to the utility model discloses an embodiment still includes the erection column, the erection column sets up in a plurality of hole posts, the post of admitting air the distribution post with the erection column is used for switching the non-metallic material to the metal material.
According to the utility model discloses an embodiment, the post of admitting air the distribution post with the erection column adopts ceramic seal alloy material.
According to an embodiment of the present invention, the mounting posts have two, and two the mounting posts are symmetrically arranged for realizing the mounting of the electrical propulsion gas anode distributor.
According to the utility model discloses an embodiment still includes: and the conduction nut is arranged at the top end of the power distribution column and penetrates through the adapter plate for realizing conduction of the anode circuit.
According to the utility model discloses an embodiment, in the circumferential direction, the keysets a plurality of first flow equalizing hole with a plurality of roof the crisscross setting of second flow equalizing hole is convenient for realize gaseous flow equalizing.
The utility model discloses an electric propulsion gas anode distributor, through the non-metallic base that adopts the integral structure and the special construction of keysets and roof, can enough realize the convenience of electric propulsion gas anode distributor equipment, has promoted assembly efficiency, and the electric propulsion gas anode distributor in the embodiment has high reliable insulating properties.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of the specification of the invention, illustrate exemplary embodiments of the invention and together with the description, serve to explain the principles of the invention.
FIG. 1 is a schematic view of an electrically propelled gas anode distributor according to one embodiment of the present invention;
fig. 2 is an exploded view of an electrically propelled gas anode dispenser according to an embodiment of the present invention;
FIG. 3 is a schematic view of the base of an electrically propelled gas anode distributor according to one embodiment of the present invention;
fig. 4 is a first schematic view of an axial cross-section of an electrically propelled gas anode distributor according to an embodiment of the present invention;
fig. 5 is a second schematic view of an axial cross-section of an electrically propelled gas anode distributor in accordance with an embodiment of the present invention.
Reference numerals:
100-base, 101-hole column, 102-power distribution column, 103-air inlet column, 104-mounting column, 200-adapter plate, 201-conducting nut and 300-top plate.
Detailed Description
The features and exemplary embodiments of various aspects of the present invention will be described in detail below, and in order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention, for the purposes of illustrating the principles of the invention. Additionally, the components in the drawings are not necessarily to scale. For example, the dimensions of some of the structures or regions in the figures may be exaggerated relative to other structures or regions to help improve understanding of embodiments of the present invention.
The directional terms appearing in the following description are directions shown in the drawings and do not limit the specific structure of the embodiments of the present invention. In the description of the present invention, it should be noted that, unless otherwise stated, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as the case may be, by those of ordinary skill in the art.
Furthermore, the terms "comprises," "comprising," "includes," "including," "has," "having" or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a structure or component comprising a list of elements does not include only those elements but may include other mechanical components not expressly listed or inherent to such structure or component. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of another like element in an article or device comprising the element.
Spatially relative terms such as "below," "…," "low," "above," "…," "high," and the like are used to facilitate description to explain the positioning of one element relative to a second element, meaning that the terms are intended to encompass different orientations of the device in addition to different orientations than those shown in the figures. In addition, for example, the phrase "one element is over/under another element" may mean that the two elements are in direct contact, and may also mean that there are other elements between the two elements. Furthermore, terms such as "first", "second", and the like, are also used to describe various elements, regions, sections, etc. and should not be taken as limiting. Like terms refer to like elements throughout the description.
It will be apparent to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the invention by illustrating examples of the invention.
Fig. 1 is a schematic view of an electrically propelled gas anode distributor according to an embodiment of the present invention; fig. 2 is an exploded view of an electrically propelled gas anode dispenser according to an embodiment of the present invention;
fig. 3 is a schematic view of the base of an electrically propelled gas anode distributor according to an embodiment of the present invention; FIG. 4 is a first schematic view of an axial cross-section of an electrically propelled gas anode distributor according to an embodiment of the present invention; fig. 5 is a second schematic view of an axial cross-section of an electrically propelled gas anode distributor in accordance with an embodiment of the present invention.
As shown in fig. 1-5, the present invention provides an electrically propelled gas anode distributor, comprising: the base 100 is made of a non-metal material, the base 100 is annular, a plurality of hole columns 101 are arranged along a first end face of the base 100, the hole columns 101 are at least provided with power distribution columns 102 and air inlet columns 103, and the power distribution columns 102 are used for conducting electricity; the adapter plate 200 is provided with a plurality of first flow equalizing holes, and a first butt joint surface of the adapter plate 200 is butted with a second end surface of the base 100 to form a first space for gas flow equalization; the top plate 300 is provided with a plurality of second flow equalizing holes, and the end surface of the top plate 300 is butted with the second butting surface of the adapter plate 200 to form a second space for gas flow equalization; the gas enters the first space through the gas inlet column 103, enters the second space through at least the first flow equalizing hole, and flows out through the second flow equalizing hole.
According to the utility model discloses an embodiment, in the circumferential direction, a plurality of first flow holes of keysets 200 and a plurality of second flow holes of roof 300 set up in a staggered manner, are convenient for realize gaseous flow equalizing.
Specifically, the first end surface of the base 100 in the electric propulsion gas anode distributor in the embodiment extends out of the plurality of hole columns 101 in a direction away from the first end surface. For example, the base 100 is of an integrated structure, the base 100 is entirely made of a non-metal material, and the non-metal insulating material can improve the insulating strength of the distributor and avoid the risk of insulation failure due to the adoption of a metal structure. The base 100 is provided with a plurality of hole posts 101 for providing at least a power distribution post 102 and an air intake post 103. The distribution post 102 is used for conducting the anode circuit, and the intake post 103 is used for realizing the installation of an electric propulsion intake pipe pipeline for providing gas output. Alternatively, the air inlet column 103 may be provided with a 2mm through hole in the center, and the through hole may provide a flow passage to facilitate the transmission of air.
The distributor is provided with an annular adapter plate 200, a plurality of first flow equalizing holes are formed in the adapter plate 200, and a first butt joint surface of the adapter plate 200 is in butt joint with a second end surface of the base 100 to form a first space for equalizing gas flow. After entering the first space, the gas input into the gas inlet column 103 diffuses in the circumferential direction and then flows out through the first flow equalizing hole. In addition, the distributor is provided with a circular top plate 300, and a plurality of second flow equalizing holes are formed in the top plate 300. The end surface of the top plate 300 is butted with the second butt-joint surface of the adapter plate 200 to form a second space for gas flow equalization, and after the gas flowing out of the first flow equalization holes reaches the second space, the gas is diffused along the circumferential direction and then flows out of the second flow equalization holes.
Further, the adaptor plate 200 includes ten uniformly distributed first flow equalizing holes, and the top plate 300 includes twenty uniformly distributed second flow equalizing holes, wherein the diameters of the first flow equalizing holes and the second flow equalizing holes may be set to 1mm. In this embodiment, ten first flow equalizing holes of adapter plate 200 in the circumferential direction and twenty second flow equalizing holes of roof 300 set up in a staggered manner, are convenient for realize gaseous flow equalizing.
In this embodiment, the interposer 200 is made of an alloy material, and the top plate 300 is made of a metal material, so that the non-metal base 100 having the integrated structure can insulate the interposer 200 and the top plate 300. The distribution post 102 and the air inlet post 103 installed in the plurality of hole posts 101 are respectively used for realizing the electric connection and the air connection of the non-metal material and the metal material.
The embodiment of the utility model provides an integrated structure of electric propulsion gas anode distributor has been realized to and the insulation installation of the overall structure of electric propulsion gas anode distributor, simplified owing to adopt the electric propulsion gas anode distributor of all metals at the complicated insulation structure installation of assembly link. In addition, the electric propulsion gas anode distributor of the embodiment can simplify the assembly structure and improve the assembly efficiency.
According to an embodiment of the present invention, the base 100 is made of alumina ceramic.
According to an embodiment of the present invention, the adapter plate 200 is made of ceramic seal alloy.
According to an embodiment of the present invention, the top plate 300 is made of stainless steel.
Specifically, the base 100 of integral structure adopts the alumina ceramics material, and keysets 200 adopts the ceramic seal alloy material, and roof 300 adopts stainless steel, and wherein keysets 200 carries out the material switching between base 100 and the roof 300 through the ceramic seal alloy, can enough make the all-round insulating state that is in of baseets 100, can not make the conduction of positive pole circuit in the electric propulsion influenced again.
The adapter plate 200 is made of ceramic sealing alloy, and the ceramic sealing alloy ensures that the thermal deformation of the adapter plate 200 is matched with that of the base 100 under alternating high and low temperature conditions. When the low-power electric propulsion works, the temperature of the anode can reach 150-300 ℃, when the electric propulsion does not work, the low temperature can reach-120 ℃ due to the influence of the space environment, and the use of the ceramic seal alloy can effectively prevent the risk of structural damage under the long-life use.
As shown in fig. 3-5, according to an embodiment of the present invention, the plurality of hole pillars 101 of the base 100 include four hole pillars 101, and the four hole pillars 101 are uniformly arranged at intervals of 90 degrees in the circumferential direction of the base 100.
As shown in fig. 2, according to an embodiment of the present invention, the installation column 104 is further included, the installation column 104 is disposed in a plurality of hole columns 101, and the air inlet column 103, the power distribution column 102 and the installation column 104 are used for transferring the non-metal material to the metal material.
According to an embodiment of the present invention, the air inlet column 103, the power distribution column 102 and the mounting column 104 are made of ceramic sealing alloy.
According to an embodiment of the present invention, the mounting posts 104 have two, and the two mounting posts 104 are symmetrically disposed for realizing the installation of the electric propulsion gas anode distributor.
Specifically, the plurality of hole pillars 101 of the base 100 include four hole pillars 101 having a certain thickness, and the hole pillars 101 having an outer diameter of 5mm and an inner diameter of 2mm may be used for fixing metal pillars. The metal column comprises a mounting column 104, an air inlet column 103 and a power distribution column 102, and four hole columns 101 are arranged at positions of 90 degrees in the circumferential direction of the base 100. Wherein, the post 103 of admitting air, distribute electric post 102 and erection column 104 and be used for switching non-metallic material to the metal material, so set up the metal post into ceramic seal alloy.
Optionally, one end of the mounting post 104 is provided with an external thread, and the external thread may be M2 type for structural mounting of the electric propulsion gas anode distributor. One end of the power distribution post 102 is provided with external threads, which may be selected from the M2 model.
According to the utility model discloses an embodiment still includes: and the conduction nut 201 is installed at the top end of the power distribution column 102, the power distribution column 102 penetrates through the adapter plate 200, and the conduction nut is used for realizing conduction of the anode circuit.
Specifically, a power distribution hole having a diameter of 3mm is formed in the interposer 200, and the feedthrough nut 201 is mounted on the top end of the power distribution post 102 through which the power distribution post 102 passes, so that the power distribution post 102 can conduct electricity to the interposer 200 and the top plate 300. The feedthrough nut 201 may be provided in an M2 version, with the external threads of M2 at one end of the distribution pole 102 mating with the internal threads of M2 of the feedthrough nut 201 for tightening of the distribution pole 102.
In use, the interposer 200, the top plate 300, the power distribution post 102, and the feedthrough nut 201 are in a high voltage state. When the electric propulsion gas anode distributor is structurally installed, only one side surface of the base 100 is in contact with an installed part, and the adaptor plate 200, the top plate 300 and the through nut 201 can be effectively insulated. The extension of the four posts 101 of the base 100 ensures that the distribution post 102 is effectively insulated from the main structure of the anode distributor of the electric propellant gas.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A gas anode distributor for electrical propulsion, comprising:
the base is made of non-metal materials, the base is annular, a plurality of hole columns are arranged along the first end face of the base, the hole columns are at least provided with a power distribution column and an air inlet column, and the power distribution column is used for conducting electricity;
the adapter plate is provided with a plurality of first flow equalizing holes, and a first butt joint surface of the adapter plate is in butt joint with the second end surface of the base to form a first gas flow equalizing space;
the top plate is provided with a plurality of second flow equalizing holes, and the end surface of the top plate is butted with the second butt joint surface of the adapter plate to form a second space for equalizing gas flow;
gas enters the first space through the gas inlet column, enters the second space through at least the first flow equalizing hole and flows out through the second flow equalizing hole.
2. A gas anode distributor according to claim 1 wherein the base is of an alumina ceramic.
3. The gas anode distributor of claim 1, wherein the adaptor plate is made of a ceramic seal alloy.
4. A gas anode distributor according to claim 1, wherein the top plate is made of stainless steel.
5. The gas anode distributor of claim 1, wherein the plurality of posts of the base comprise four posts evenly spaced at 90 degrees around the circumference of the base.
6. The gas anode distributor of claim 1, further comprising mounting posts disposed in the plurality of bore posts, the gas inlet posts, the power distribution posts, and the mounting posts configured to transfer a non-metallic material to a metallic material.
7. A gas anode distributor according to claim 6 wherein the gas inlet posts, the distribution posts and the mounting posts are of ceramic seal alloy.
8. A gas anode distributor according to claim 6 wherein there are two of said mounting posts and the two mounting posts are symmetrically arranged for mounting the electrical propulsion gas anode distributor.
9. A gas anode distributor according to claim 6, further comprising:
and the conduction nut is arranged on the power distribution column, penetrates through the adapter plate and is close to the top end of the top plate, and is used for realizing conduction of the anode circuit.
10. The gas anode distributor according to claim 6, wherein the first flow equalizing holes of the adapter plate and the second flow equalizing holes of the top plate are staggered in the circumferential direction, so as to realize gas flow equalization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221889880.9U CN218293765U (en) | 2022-07-21 | 2022-07-21 | Gas anode distributor for electric propulsion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221889880.9U CN218293765U (en) | 2022-07-21 | 2022-07-21 | Gas anode distributor for electric propulsion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218293765U true CN218293765U (en) | 2023-01-13 |
Family
ID=84792456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221889880.9U Active CN218293765U (en) | 2022-07-21 | 2022-07-21 | Gas anode distributor for electric propulsion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218293765U (en) |
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2022
- 2022-07-21 CN CN202221889880.9U patent/CN218293765U/en active Active
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