Low-power miniaturized Hall thruster

Abstract

The utility model relates to a low-power miniaturized Hall thruster, which aims at solving the technical problems that a support and a shell of the thruster need to be kept stable during installation at present, and the supporting stability is troublesome, and comprises a thruster body and a supporting structure, the supporting structure is arranged on a shell of the propeller body; the supporting structure comprises a mounting frame B and a mounting frame A; the mounting frame B is fixedly arranged on a back plate at the rear end of the shell of the propeller body; the mounting rack A is in butt joint with the mounting rack B; the mounting rack A and the mounting rack B are in butt joint, two inner side walls of an opening of the mounting rack A are respectively, symmetrically and fixedly provided with two inserting strips, two sides of the mounting rack B are respectively and symmetrically provided with two inserting grooves, and the inserting strips are matched with the inserting grooves in an inserting mode. And the mounting rack A is kept stable when the screws are mounted.

Description

Technical Field

[0001] The utility model relates to the technical field of Hall thrusters, in particular to a low-power miniaturized Hall thruster. Background Art

[0002] Hall thrusters are advanced electric propulsion devices that are widely used in satellite position keeping and attitude control.

[0003] The cathode column of the Hall thruster is installed and fixed by a mounting frame. Screws are used to connect the bracket with the cathode column to the outer casing of the thruster. During installation, the bracket and the outer casing of the thruster need to be kept stable, and it is rather troublesome to support the stability.

[0004] In view of this, we propose a low-power miniaturized Hall thruster. Utility Model Content

[0005] The purpose of the utility model is to overcome the shortcomings of the prior art, meet the actual needs, and provide a low-power miniaturized Hall thruster to solve the current technical problem that it is necessary to keep the bracket and the thruster shell stable during installation, and it is relatively troublesome to support stability.

[0006] In order to achieve the purpose of the utility model, the technical solution adopted by the utility model is: designing a low-power miniaturized Hall thruster, including a thruster body, and also including a supporting structure arranged on the outer shell of the thruster body; the supporting structure includes a mounting frame B and a mounting frame A, the mounting frame B is fixed on the back plate at the rear end of the thruster body outer shell, and the mounting frame A is connected to the mounting frame B; wherein, two insertion strips are symmetrically fixed on the two inner side walls of the opening of the mounting frame A, and two slots are symmetrically opened on both sides of the mounting frame B, and the insertion strips are inserted and matched with the slots.

[0007] Furthermore, the top of the slot is open.

[0008] Further, buffer components are arranged on the two inner side walls of the mounting frame A respectively, and the buffer components include a fixed block, a connecting rod, a limit block, a pressure block and a spring, the fixed block is fixedly arranged on the inner side wall of the mounting frame A, the connecting rod is passed through the fixed block, the limit block is fixedly arranged on the top end of the connecting rod, and the pressure block is fixedly arranged on the bottom end of the connecting rod;

[0009] Wherein, the pressing block corresponds to the top side of the mounting frame B, and the spring is sleeved on the connecting rod between the pressing block and the fixing block.

[0010] Furthermore, a rubber pad is fixedly provided on the bottom side of the pressing block, and the rubber pad is extruded and matched with the top side of the mounting frame B.

[0011] Furthermore, the bottom side of the rubber pad is inclined, and the bottom side of the rubber pad is in flat contact with the top side of the mounting frame B.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model has the advantage of providing the insert strip and the slot, so that when the mounting frame A is docked with the mounting frame B, the installed mounting frame A can be limited by the insertion of the insert strip and the slot, so that the mounting frame A can be kept stable when the screws are installed, thereby solving the problem that it is troublesome to maintain the stability of the bracket and the outer shell of the thruster during installation.

[0014] 2. The utility model has the advantage of providing a fixing block, a connecting rod, a limiting block, a pressing block and a spring, so that when the mounting frame A and the mounting frame B are docked, the pressing block is squeezed by the top side of the mounting frame B to drive the spring to be compressed for buffering, so that the mounting frame A and the mounting frame B can be docked smoothly. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the support structure connection of the utility model;

[0017] Figure 3 It is a schematic diagram of the support structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the buffer component of the utility model;

[0019] In the figure: 1. thruster body; 2. supporting structure; 101. back plate; 201. mounting frame A; 202. mounting frame B; 203. buffer assembly; 2011. insert; 2021. slot; 2031. fixing block; 2032. connecting rod; 2033. pressure block; 2034. spring; 2035. limit block; 2036. rubber pad. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0021] Example 1: A low-power miniaturized Hall thruster, see Figures 1 to 4, including a propeller body 1, and also including a support structure 2; the support structure 2 is arranged on the outer shell of the propeller body 1. The support structure 2 includes a mounting frame B202 and a mounting frame A201; the mounting frame B202 is fixed on the back plate 101 at the rear end of the outer shell of the propeller body 1; the mounting frame A201 is connected with the mounting frame B202; wherein, two inserting strips 2011 are symmetrically fixed on the two inner side walls of the opening of the mounting frame A201, and two slots 2021 are symmetrically opened on both sides of the mounting frame B202, and the top of the slot 2021 is open, and the inserting strips 2011 are inserted and matched with the slots 2021.

[0022] The utility model provides an insert strip 2011 and a slot 2021. When the mounting frame A201 is docked with the mounting frame B202, the installed mounting frame A201 is limited by the insertion of the insert strip 2011 and the slot 2021, so that the mounting frame A201 can be kept stable when the screws are installed, thereby solving the problem that it is necessary to keep the bracket and the outer shell of the thruster stable during installation, and it is relatively troublesome to support the stability.

[0023] Specifically, the two inner side walls of the mounting frame A201 are respectively arranged with buffer components 203. The buffer components 203 include a fixed block 2031, a connecting rod 2032, a limit block 2035, a pressure block 2033 and a spring 2034; the fixed block 2031 is fixedly arranged on the inner side wall of the mounting frame A201; the connecting rod 2032 is penetrated on the fixed block 2031; the limit block 2035 is fixedly arranged on the top of the connecting rod 2032; the pressure block 2033 is fixedly arranged on the bottom of the connecting rod 2032; wherein, the pressure block 2033 corresponds to the top side of the mounting frame B202; the spring 2034 is sleeved on the connecting rod 2032 between the pressure block 2033 and the fixed block 2031, and the two ends of the spring 2034 are respectively fixedly connected with the pressure block 2033 and the fixed block 2031, and the elastic coefficient of the spring 2034 is selected and used by the technicians of this profession according to the actual situation.

[0024] The utility model has the advantage of providing a fixing block 2031, a connecting rod 2032, a limiting block 2035, a pressing block 2033 and a spring 2034, so that when the mounting frame A201 is docked with the mounting frame B202, the pressing block 2033 is squeezed by the top side of the mounting frame B202 to drive the spring 2034 to be compressed for buffering, so that the mounting frame A201 and the mounting frame B202 can be docked smoothly.

[0025] Furthermore, a rubber pad 2036 is fixedly provided on the bottom side of the pressing block 2033, and the rubber pad 2036 is squeezed and matched with the top side of the mounting frame B202; the bottom side of the rubber pad 2036 is inclined, and the bottom side of the rubber pad 2036 is in flat contact with the top side of the mounting frame B202.

[0026] The utility model has the advantage of realizing soft contact by providing the rubber pad 2036 , which contacts the top side of the mounting frame B202 .

[0027] Working principle: When using the device of the utility model to assemble the mounting frame A201, the mounting frame A201 is docked with the mounting frame B202, and the insertion strip 2011 is correspondingly inserted into the slot 2021. As the mounting frame A201 is installed, the rubber pad 2036 contacts the top side of the mounting frame B202, and the pressure block 2033 is squeezed by the top side of the mounting frame B202 to drive the spring 2034 to be compressed for buffering until the insertion strip 2011 is inserted to the bottom, the mounting frame A201 is docked with the mounting frame B202, and the mounting frame A201 is pressed to install the screws.

[0028] The embodiments of the present invention disclose preferred embodiments, but are not limited thereto. A person skilled in the art can easily understand the spirit of the present invention based on the above embodiments and make different extensions and changes. However, as long as they do not deviate from the spirit of the present invention, they are all within the protection scope of the present invention.

Claims

1. A low-power miniaturized Hall thruster, comprising a thruster body (1), It is characterized in that The invention also comprises a support structure (2) arranged on the outer shell of the propeller body (1); the support structure (2) comprises a mounting frame B (202) and a mounting frame A (201); the mounting frame B (202) is fixedly mounted on the back plate (101) at the rear end of the outer shell of the propeller body (1); the mounting frame A (201) and the mounting frame B (202) are butt-jointed; wherein two inner side walls of the opening of the mounting frame A (201) are respectively symmetrically fixed with two insertion strips (2011); two sides of the mounting frame B (202) are respectively symmetrically provided with two slots (2021); the insertion strips (2011) are inserted and matched with the slots (2021).

2. A low-power miniaturized Hall thruster as claimed in claim 1, It is characterized in that The slot (2021) is open at the top.

3. A low-power miniaturized Hall thruster as claimed in claim 1, It is characterized in that The two inner side walls of the mounting frame A (201) are respectively provided with buffer components (203), and the buffer components (203) include a fixed block (2031), a connecting rod (2032), a limit block (2035), a pressure block (2033) and a spring (2034); the fixed block (2031) is fixedly arranged on the inner side wall of the mounting frame A (201); the connecting rod (2032) is passed through the fixed block (2031); the limit block (2035) is fixedly arranged on the top end of the connecting rod (2032); and the pressure block (2033) is fixedly arranged on the bottom end of the connecting rod (2032); The pressing block (2033) corresponds to the top side of the mounting frame B (202), and the spring (2034) is sleeved on the connecting rod (2032) between the pressing block (2033) and the fixing block (2031).

4. A low-power miniaturized Hall thruster as claimed in claim 3, It is characterized in that A rubber pad (2036) is fixedly provided on the bottom side of the pressing block (2033), and the rubber pad (2036) is extruded and matched with the top side of the mounting frame B (202).

5. A low-power miniaturized Hall thruster as claimed in claim 4, It is characterized in that The bottom side of the rubber pad (2036) is inclined, and the bottom side of the rubber pad (2036) is in flat contact with the top side of the mounting frame B (202).

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