Method and device for measuring velocity of field inversion type electric propulsion plasma cluster

By using the inductive magnetic probe and motor auxiliary equipment combination during the advanced electrical propulsion of the field, collect the multi -dimensional array speed data of the velocity of plasma body group, solve the problem of low measurement accuracy in the existing technology, and achieve high The accurate plasma group is measuring and speed measurement, and then evaluates the thrust and comparison of ion thrust.

CN119335213AActive Publication Date: 2025-01-21LANZHOU INST OF PHYSICS CHINESE ACADEMY OF SPACE TECH
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Patent Information

Application Number
CN202411459405.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-10-18
Publication Date
2025-01-21
Estimated Expiration
2044-10-18

AI Technical Summary

Technical Problem

The prior art is difficult to meet the demand for plasma mass velocity measurement of field reverse configuration electrical propulsion. The conventional method has low measurement accuracy and a single method, which limits its development towards productization.

Method used

Use a combination of inductive magnetic probes and motor auxiliary equipment. The induction magnetic probe device is fixed inside the thrust discharge room through the induction magnetic probe support device. Speed ​​multi -dimensional array speed data.

Benefits of technology

It achieves high-precision measurement of the acceleration and velocity of the field-reverse configuration electric propulsion plasma group, solves the problem of single measurement method and low accuracy, and then indirectly calculates and evaluates the thrust and specific impulse of the ion thruster.

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Abstract

The invention relates to a method and a device for measuring the velocity of a field inversion type electric propulsion plasma cluster. The method comprises the following steps: an induction magnetic probe device is fixed at one end of an induction magnetic probe supporting device, and the induction magnetic probe device is fixed in a thruster discharge chamber by using the induction magnetic probe supporting device; a motor auxiliary device is fixed at the position of an outlet of the thruster discharge chamber, and the motor auxiliary device is connected with the induction magnetic probe supporting device; the motor auxiliary device controls the motion of the induction magnetic probe supporting device, and the induction magnetic probe device collects multi-dimensional array speed data of plasma cluster speed measurement. According to the invention, plasma cluster acceleration measurement and plasma cluster velocity measurement of field inversion type electric propulsion are realized, so that the thrust and specific impulse of the field inversion type ion thruster are indirectly calculated and evaluated; the measurement precision is high; and a technical support is provided for improvement of subsequent field inversion type electric propulsion performance.
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Description

Technical Field

[0001] The present invention relates to the field of aerospace electric propulsion technology, and more specifically, to a method and device for measuring the velocity of a field-reversed electric propulsion plasma group. Background Art

[0002] Field-reversed electric propulsion for space is an advanced aerospace propulsion technology. Its principle is to use space electric energy to ionize propellant to produce high-density plasma, and drive electrons to move in a circular direction through a rotating magnetic field system to form a current. The current is coupled with an external magnetic field to generate an electromagnetic Lorentz force, which accelerates the ejection to generate thrust. Due to the pulsed working mode and electromagnetic acceleration mechanism of field-reversed electric propulsion, conventional diagnostic test methods are difficult to meet application requirements, and conventional methods are relatively simple in measuring the velocity of plasma clusters and the measurement accuracy is not high, which restricts its development towards productization. Summary of the invention

[0003] The embodiments of the present application provide a method and apparatus for measuring the velocity of a field-reversed electric propulsion plasma mass. In order to have a basic understanding of some aspects of the disclosed embodiments, a simple summary is given below. This summary is not a general review, nor is it intended to identify key / important components or describe the scope of protection of these embodiments. Its sole purpose is to present some concepts in a simple form as a preface to the detailed description that follows.

[0004] In a first aspect, the present application provides a method for measuring the velocity of a field-reversed electric propulsion plasma mass, the method comprising:

[0005] The induction magnetic probe device is fixed to one end of the induction magnetic probe supporting device, and the induction magnetic probe device is fixed inside the thruster discharge chamber by means of the induction magnetic probe supporting device;

[0006] Fixing a motor auxiliary device at the outlet position of the thruster discharge chamber, wherein the motor auxiliary device is connected to the induction magnetic probe supporting device;

[0007] The motor auxiliary device controls the movement of the induction magnetic probe support device, and the induction magnetic probe device collects multi-dimensional array velocity data for plasma cluster velocity measurement.

[0008] According to a preferred embodiment, the induction magnetic probe supporting device comprises: a conducting wire, an insulating pipeline and a supporting structure.

[0009] According to a preferred embodiment, the inductive magnetic probe device comprises a plurality of circuit boards, wherein the circuit boards include two point probe inductive coils, and the two point probe inductive coils are arranged orthogonally.

[0010] According to a preferred embodiment, the inductive magnetic probe device is fixed to one end of the inductive magnetic probe supporting device, and comprises:

[0011] The circuit boards are fixed at one end of the support structure at equal intervals to form a spatial array.

[0012] According to a preferred embodiment, the motor auxiliary device controls the movement of the induction magnetic probe support device, and the induction magnetic probe device collects multi-dimensional array velocity data for measuring the velocity of plasma clusters, including:

[0013] The motor auxiliary device controls the axial and radial movement of the induction magnetic probe support device to adjust the position of the induction magnetic probe device for measuring the velocity of the plasma cluster;

[0014] By adjusting the position of the induction magnetic probe device, the induction magnetic probe device collects multi-dimensional array velocity data for measuring the velocity of the plasma cluster.

[0015] In a second aspect, the present application provides a device for measuring the velocity of a field-reversed electric propulsion plasma mass, the device comprising:

[0016] A first setting module is used to fix the induction magnetic probe device to one end of the induction magnetic probe support device, and the induction magnetic probe device is fixed inside the thruster discharge chamber by using the induction magnetic probe support device;

[0017] A second setting module is used to fix the motor auxiliary device at the outlet position of the thruster discharge chamber, and the motor auxiliary device is connected to the induction magnetic probe supporting device;

[0018] The acquisition module is used for the motor auxiliary device to control the movement of the induction magnetic probe supporting device, and the induction magnetic probe device acquires multi-dimensional array velocity data for measuring the velocity of plasma clusters.

[0019] According to a preferred embodiment, the induction magnetic probe supporting device comprises: a conducting wire, an insulating pipeline and a supporting structure.

[0020] According to a preferred embodiment, the inductive magnetic probe device comprises a plurality of circuit boards, wherein the circuit boards include two point probe inductive coils, and the two point probe inductive coils are arranged orthogonally.

[0021] According to a preferred embodiment, in the first setting module, the inductive magnetic probe device is fixed to one end of the inductive magnetic probe supporting device, including:

[0022] The circuit boards are fixed at one end of the support structure at equal intervals to form a spatial array.

[0023] According to a preferred embodiment, the acquisition module is specifically used for:

[0024] The motor auxiliary device controls the axial and radial movement of the induction magnetic probe support device to adjust the position of the induction magnetic probe device for measuring the velocity of the plasma cluster;

[0025] By adjusting the position of the induction magnetic probe device, the induction magnetic probe device collects multi-dimensional array velocity data for measuring the velocity of the plasma cluster.

[0026] In a third aspect, the present application provides a computer storage medium, which stores a plurality of instructions, and the instructions are suitable for being loaded by a processor and executing the above-mentioned method steps.

[0027] In a fourth aspect, the present application provides a terminal, which may include: a processor and a memory; wherein the memory stores a computer program, and the computer program is suitable for being loaded by the processor and executing the above-mentioned method steps.

[0028] The technical solution provided by this application may have the following beneficial effects:

[0029] In the present application, the method for measuring the velocity of a field-reversed electric propulsion plasma mass is as follows: first, an induction magnetic probe device is fixed to one end of an induction magnetic probe support device, and the induction magnetic probe device is fixed inside a thruster discharge chamber using the induction magnetic probe support device; then a motor auxiliary device is fixed at the exit position of the thruster discharge chamber, and the motor auxiliary device is connected to the induction magnetic probe support device; finally, the motor auxiliary device controls the movement of the induction magnetic probe support device, and the induction magnetic probe device collects multi-dimensional array velocity data for plasma mass velocity measurement. Aiming at the problems of difficult acceleration measurement, single velocity measurement method and low measurement accuracy in existing field-reversed configuration electric propulsion, the present application solves the problems of single plasma mass acceleration measurement and low measurement accuracy in field-reversed configuration electric propulsion by optimizing the combination of induction magnetic probe, insulating conduit, support structure and motor, realizes the plasma mass acceleration measurement and plasma mass velocity measurement of field-reversed configuration electric propulsion, and thus indirectly calculates and evaluates the thrust and specific impulse of the field-reversed configuration ion thruster. The measurement principle of this method is simple and the structure of this method is easy to implement. It provides technical support for the subsequent performance improvement of field-reversed configuration electric propulsion.

[0030] It is to be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and, together with the description, serve to explain the principles of the invention.

[0032] Figure 1 It is a flow chart of a method for measuring the velocity of a field-reversed electric propulsion plasma group provided in an embodiment of the present application;

[0033] Figure 2 It is a schematic diagram of the system composition for measuring the velocity of a field-reversed electric propulsion plasma group provided by an embodiment of the present application;

[0034] Figure 3 It is a schematic structural diagram of a device for measuring the velocity of a field-reversed electric propulsion plasma group provided in an embodiment of the present application;

[0035] Figure 4 It is a structural diagram of a terminal provided in an embodiment of the present application.

[0036] Reference numerals:

[0037] 1. Induction magnetic probe subsystem, 2. Induction magnetic probe installation subsystem, 3. Induction magnetic probe bracket subsystem, 4. Motor auxiliary subsystem;

[0038] 10000, a first setting module, 20000, a second setting module, 30000, a collection module;

[0039] 1001. Processor, 1002. Communication bus, 1003. User interface, 1004. Network interface, 1005. Memory. DETAILED DESCRIPTION

[0040] The following description and the drawings sufficiently illustrate specific embodiments of the invention to enable those skilled in the art to practice them.

[0041] It should be clear that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0042] When the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Instead, they are only examples of systems and methods consistent with some aspects of the present invention as detailed in the attached claims.

[0043] In the description of the present invention, it should be understood that the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. In addition, in the description of the present invention, unless otherwise specified, "plurality" refers to two or more. "And / or" describes the association relationship of associated objects, indicating that three relationships may exist. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. The character " / " generally indicates that the previously associated objects are in an "or" relationship.

[0044] The following will be combined with the attached Figure 1 and attached Figure 2 , a method for measuring the velocity of a field-reversed electric propulsion plasma cluster provided in an embodiment of the present application is introduced in detail.

[0045] See also Figure 1 and 2 The method of the embodiment of the present application may include the following steps:

[0046] The present application provides a method for measuring the velocity of a field-reversed electric propulsion plasma group, and a corresponding system for measuring the velocity of a field-reversed electric propulsion plasma group, including: an induction magnetic probe subsystem 1, an induction magnetic probe installation subsystem 2, an induction magnetic probe bracket subsystem 3 and a motor auxiliary subsystem 4.

[0047] The induction magnetic probe subsystem 1 corresponds to an induction magnetic probe device that is pre-placed at the central axis position of the field-reversed configuration electric propulsion discharge chamber and can be flexibly moved; the induction magnetic probe installation subsystem 2 corresponds to the supporting structure included in the induction magnetic probe support device; the induction magnetic probe bracket subsystem 3 corresponds to the wires and insulated pipes included in the induction magnetic probe support device; the motor auxiliary subsystem 4 corresponds to the motor auxiliary device that assists the movement of the induction magnetic probe, and the motor auxiliary subsystem 4 is also called the electric auxiliary subsystem.

[0048] S100, an induction magnetic probe device is fixed to one end of an induction magnetic probe supporting device, and the induction magnetic probe device is fixed inside a discharge chamber of a field-reversing electric propulsion thruster by means of the induction magnetic probe supporting device.

[0049] Wherein, the induction magnetic probe device is fixed to one end of the support structure included in the induction magnetic probe support device, including:

[0050] In the embodiment of the present application, the inductive magnetic probe device includes a plurality of circuit boards, and the plurality of circuit boards may be 15 circuit boards; each of the circuit boards includes two circuit boards with an area of ​​less than 5 mm 2The point probe induction coils are arranged in an orthogonal manner. The point probe induction coils are composed of an induction magnetic probe.

[0051] The inductive magnetic probe support device includes: a conductor, an insulating pipeline and a support structure. The multiple circuit boards are fixed at equal intervals at one end of the support structure to form a space array. The space array is the inductive magnetic probe array, and the insulating pipeline is also called an insulating conduit.

[0052] S200, fixing the motor auxiliary equipment at the outlet position of the thruster discharge chamber, the motor auxiliary equipment being connected to the induction magnetic probe supporting equipment; the wires and insulating pipes included in the motor auxiliary equipment and the induction magnetic probe supporting equipment are fixed inside the vacuum chamber.

[0053] S300, the motor auxiliary device controls the movement of the induction magnetic probe support device, and the induction magnetic probe device collects multi-dimensional array velocity data for measuring the velocity of plasma clusters, including:

[0054] The motor auxiliary device controls the axial and radial movement of the induction magnetic probe support device, and adjusts the position of the induction magnetic probe device for measuring the plasma mass velocity; by adjusting the position of the induction magnetic probe device, the induction magnetic probe device collects multi-dimensional array velocity data for measuring the plasma mass velocity.

[0055] The motor auxiliary device of the embodiment of the present application is connected to the other end of the support structure, and the two motors inside the motor auxiliary device respectively control the axial and radial movements of the induction magnetic probe support device, thereby adjusting the position of the induction magnetic probe device inside the discharge chamber of the field anti-configuration ion thruster, thereby realizing the collection of multi-dimensional array velocity data and improving the velocity measurement accuracy. The multi-dimensional array velocity data includes the following plasma mass velocity and plasma mass acceleration.

[0056] By adjusting the position of the induction magnetic probe device, the induction magnetic probe device collects magnetic field signals at different positions inside the discharge chamber of the field anti-configuration ion thruster, and combines the spacing between the induction magnetic probes and the time difference of the measured magnetic field signals to calculate the plasma mass velocity and plasma mass acceleration; thereby indirectly calculating and evaluating the thrust and specific impulse of the field anti-configuration ion thruster.

[0057] In the embodiment of the present application, the method for measuring the velocity of the plasma mass of field-reversed electric propulsion is as follows: first, the induction magnetic probe device is fixed at one end of the induction magnetic probe support device, and the induction magnetic probe device is fixed inside the thruster discharge chamber by the induction magnetic probe support device; then the motor auxiliary device is fixed at the outlet position of the thruster discharge chamber, and the motor auxiliary device is connected to the induction magnetic probe support device; finally, the motor auxiliary device controls the movement of the induction magnetic probe support device, and the induction magnetic probe device collects multi-dimensional array velocity data for the plasma mass velocity measurement. The embodiment of the present application solves the problems of the single plasma mass acceleration measurement and plasma mass velocity measurement method and low measurement accuracy of the field-reversed electric propulsion by optimizing the combination of the induction magnetic probe, the insulating conduit, the support structure and the motor, and realizes the plasma mass acceleration measurement and plasma mass velocity measurement of the field-reversed electric propulsion, thereby indirectly calculating and evaluating the thrust and specific impulse of the field-reversed ion thruster; the measurement principle of the method is simple, and the structure of the method is easy to implement; it provides technical support for the subsequent performance improvement of the field-reversed electric propulsion.

[0058] The following are embodiments of the device of the present invention, which can be used to implement the method embodiments of the present invention. For details not disclosed in the device embodiments of the present invention, please refer to the method embodiments of the present invention.

[0059] See also Figure 3 , which shows a schematic structural diagram of a device for measuring the velocity of a field-reversed electric propulsion plasma group provided by an exemplary embodiment of the present invention. The device comprises: a first setting module 10000, a second setting module 20000 and a collection module 30000.

[0060] The first setting module 10000 is used to fix the induction magnetic probe device to one end of the induction magnetic probe supporting device, and the induction magnetic probe device is fixed inside the thruster discharge chamber by using the induction magnetic probe supporting device;

[0061] The second setting module 20000 is used to fix the motor auxiliary device at the outlet position of the thruster discharge chamber, and the motor auxiliary device is connected to the induction magnetic probe supporting device;

[0062] The acquisition module 30000 is used for the motor auxiliary device to control the movement of the induction magnetic probe supporting device, and the induction magnetic probe device acquires multi-dimensional array velocity data for measuring the velocity of plasma clusters.

[0063] According to a preferred embodiment, the induction magnetic probe supporting device comprises: a conducting wire, an insulating pipeline and a supporting structure.

[0064] According to a preferred embodiment, the inductive magnetic probe device comprises a plurality of circuit boards, wherein the circuit boards include two point probe inductive coils, and the two point probe inductive coils are arranged orthogonally.

[0065] According to a preferred embodiment, in the first setting module 10000, the inductive magnetic probe device is fixed to one end of the inductive magnetic probe supporting device, including:

[0066] The circuit boards are fixed at one end of the support structure at equal intervals to form a spatial array.

[0067] According to a preferred embodiment, the acquisition module 30000 is specifically used for:

[0068] The motor auxiliary device controls the axial and radial movement of the induction magnetic probe support device to adjust the position of the induction magnetic probe device for measuring the velocity of the plasma cluster;

[0069] By adjusting the position of the induction magnetic probe device, the induction magnetic probe device collects multi-dimensional array velocity data for measuring the velocity of the plasma cluster.

[0070] It should be noted that the device for measuring the velocity of a plasma mass with field-reversed electric propulsion provided in the above embodiment only uses the division of the above functional modules as an example when executing the method for measuring the velocity of a plasma mass with field-reversed electric propulsion. In practical applications, the above functional distribution can be completed by different functional modules as needed, that is, the internal structure of the device is divided into different functional modules to complete all or part of the functions described above. In addition, the device for measuring the velocity of a plasma mass with field-reversed electric propulsion provided in the above embodiment and the method embodiment for measuring the velocity of a plasma mass with field-reversed electric propulsion provided in the above embodiment belong to the same concept, and the embodiment and implementation process thereof are detailed in the method embodiment, which will not be repeated here.

[0071] In the embodiment of the present application, the device for measuring the velocity of the plasma mass of the field anti-configuration electric propulsion is firstly fixed with an induction magnetic probe device at one end of the induction magnetic probe support device, and the induction magnetic probe device is fixed inside the discharge chamber of the thruster by means of the induction magnetic probe support device; then the motor auxiliary device is fixed at the outlet position of the discharge chamber of the thruster, and the motor auxiliary device is connected with the induction magnetic probe support device; finally, the motor auxiliary device controls the movement of the induction magnetic probe support device, and the induction magnetic probe device collects multi-dimensional array velocity data of the plasma mass velocity measurement. The embodiment of the present application solves the problems of the single plasma mass acceleration measurement and the low measurement accuracy of the plasma mass velocity measurement of the field anti-configuration electric propulsion by optimizing the combination of the induction magnetic probe, the insulating conduit, the support structure and the motor, and realizes the plasma mass acceleration measurement and the plasma mass velocity measurement of the field anti-configuration electric propulsion, thereby indirectly calculating and evaluating the thrust and specific impulse of the field anti-configuration ion thruster; the measurement principle of the method is simple, and the structure of the method is easy to realize; it provides technical support for the subsequent improvement of the performance of the field anti-configuration electric propulsion.

[0072] The present invention also provides a computer-readable medium having program instructions stored thereon, which, when executed by a processor, implements the method for measuring the velocity of a field-reversed electric propulsion plasma cluster provided by the above-mentioned various method embodiments.

[0073] The present invention also provides a computer program product comprising instructions, which, when executed on a computer, enables the computer to execute the method for measuring the velocity of a field-reversed electric propulsion plasma mass according to the above-mentioned various method embodiments.

[0074] See also Figure 4 , which is a schematic diagram of the structure of a terminal according to an embodiment of the present application. The terminal may include: at least one processor 1001, at least one network interface 1004, a user interface 1003, a memory 1005, and at least one communication bus 1002.

[0075] The communication bus 1002 is used to realize the connection and communication between these components.

[0076] The user interface 1003 may include a display screen (Display) and a camera (Camera), and the optional user interface 1003 may also include a standard wired interface and a wireless interface.

[0077] The network interface 1004 may optionally include a standard wired interface or a wireless interface (such as a WI-FI interface).

[0078] Among them, the processor 1001 may include one or more processing cores. The processor 1001 uses various interfaces and lines to connect various parts in the entire terminal, and executes various functions of the terminal and processes data by running or executing instructions, programs, code sets or instruction sets stored in the memory 1005, and calling data stored in the memory 1005. Optionally, the processor 1001 can be implemented in at least one hardware form of digital signal processing (Digital Signal Processing, DSP), field programmable gate array (Field-Programmable Gate Array, FPGA), and programmable logic array (Programmable Logic Array, PLA). The processor 1001 can integrate one or a combination of a central processing unit (Central Processing Unit, CPU), a graphics processing unit (Graphics Processing Unit, GPU) and a modem. Among them, the CPU mainly processes the operating system, user interface and application programs; the GPU is responsible for rendering and drawing the content to be displayed on the display screen; the modem is used to process wireless communications. It can be understood that the above-mentioned modem may not be integrated into the processor 1001, and it can be implemented separately through a chip.

[0079] Among them, the memory 1005 may include a random access memory (Random Access Memory, RAM) and may also include a read-only memory (Read-Only Memory). Optionally, the memory 1005 includes a non-transitory computer-readable storage medium. The memory 1005 can be used to store instructions, programs, codes, code sets or instruction sets. The memory 1005 may include a program storage area and a data storage area, wherein the program storage area may store instructions for implementing an operating system, instructions for at least one function (such as a touch function, a sound playback function, an image playback function, etc.), instructions for implementing the above-mentioned various method embodiments, etc.; the data storage area may store data involved in the above-mentioned various method embodiments, etc. The memory 1005 may optionally be at least one storage device located away from the aforementioned processor 1001. As Figure 4 As shown, the memory 1005 as a computer storage medium may include an operating system, a network communication module, a user interface module, and an application for field anti-configuration electric propulsion plasma group velocity measurement.

[0080] exist Figure 4In the terminal shown, the user interface 1003 is mainly used to provide an input interface for the user and obtain the data input by the user; and the processor 1001 can be used to call the application for field anti-configuration electric propulsion plasma group velocity measurement stored in the memory 1005, and specifically perform the following operations:

[0081] The induction magnetic probe device is fixed to one end of the induction magnetic probe supporting device, and the induction magnetic probe device is fixed inside the thruster discharge chamber by means of the induction magnetic probe supporting device;

[0082] Fixing a motor auxiliary device at the outlet position of the thruster discharge chamber, wherein the motor auxiliary device is connected to the induction magnetic probe supporting device;

[0083] The motor auxiliary device controls the movement of the induction magnetic probe support device, and the induction magnetic probe device collects multi-dimensional array velocity data for plasma mass velocity measurement;

[0084] Wherein, the induction magnetic probe support equipment comprises: a conductor, an insulating pipeline and a support structure;

[0085] The inductive magnetic probe device comprises a plurality of circuit boards, wherein the circuit boards contain two point probe inductive coils, and the two point probe inductive coils are arranged in orthogonal directions.

[0086] In one embodiment, when the processor 1001 executes the fixing of the induction magnetic probe device to one end of the induction magnetic probe support device, the processor 1001 specifically performs the following operations:

[0087] The circuit boards are fixed at one end of the support structure at equal intervals to form a spatial array.

[0088] In one embodiment, the processor 1001 specifically performs the following operations when executing the motor auxiliary device to control the movement of the induction magnetic probe support device and the induction magnetic probe device collects multi-dimensional array velocity data for plasma mass velocity measurement:

[0089] The motor auxiliary device controls the axial and radial movement of the induction magnetic probe support device to adjust the position of the induction magnetic probe device for measuring the velocity of the plasma cluster;

[0090] By adjusting the position of the induction magnetic probe device, the induction magnetic probe device collects multi-dimensional array velocity data for measuring the velocity of the plasma cluster.

[0091] In the present application, the method and device for measuring the velocity of plasma mass in field anti-configuration electric propulsion are as follows: first, an induction magnetic probe device is fixed at one end of an induction magnetic probe support device, and the induction magnetic probe device is fixed inside the thruster discharge chamber by using the induction magnetic probe support device; then a motor auxiliary device is fixed at the outlet position of the thruster discharge chamber, and the motor auxiliary device is connected to the induction magnetic probe support device; finally, the motor auxiliary device controls the movement of the induction magnetic probe support device, and the induction magnetic probe device collects multi-dimensional array velocity data for plasma mass velocity measurement. This application solves the problems of single plasma mass acceleration measurement and plasma mass velocity measurement method and low measurement accuracy of field anti-configuration electric propulsion by optimizing the combination of induction magnetic probe, insulating conduit, support structure and motor, and realizes the plasma mass acceleration measurement and plasma mass velocity measurement of field anti-configuration electric propulsion, thereby indirectly calculating and evaluating the thrust and specific impulse of the field anti-configuration ion thruster; the measurement principle of this method is simple, and the structure of this method is easy to implement; it provides technical support for the subsequent improvement of field anti-configuration electric propulsion performance.

[0092] Those skilled in the art can understand that all or part of the processes in the above-mentioned embodiments can be implemented by instructing related hardware through a computer program, and the program can be stored in a computer-readable storage medium, and when the program is executed, it can include the processes of the embodiments of the above-mentioned methods. The storage medium can be a disk, an optical disk, a read-only storage memory, or a random access memory, etc.

[0093] The above disclosure is only the preferred embodiment of the present application, which certainly cannot be used to limit the scope of rights of the present application. Therefore, equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A method for measuring the velocity of a field-reversed electric propulsion plasma mass, characterized in that: The following steps are involved: The induction magnetic probe device is fixed to one end of the induction magnetic probe supporting device, and the induction magnetic probe device is fixed inside the thruster discharge chamber by means of the induction magnetic probe supporting device; Fixing a motor auxiliary device at the outlet position of the thruster discharge chamber, wherein the motor auxiliary device is connected to the induction magnetic probe supporting device; The motor auxiliary device controls the movement of the induction magnetic probe support device, and the induction magnetic probe device collects multi-dimensional array velocity data for plasma cluster velocity measurement.

2. The method for measuring the velocity of a field-reversed electric propulsion plasma mass according to claim 1, characterized in that: The induction magnetic probe supporting device comprises: a conducting wire, an insulating pipeline and a supporting structure.

3. The method for measuring the velocity of a field-reversed electric propulsion plasma mass according to claim 2, characterized in that: The inductive magnetic probe device comprises a plurality of circuit boards, wherein the circuit boards contain two point probe inductive coils, and the two point probe inductive coils are arranged in orthogonal directions.

4. The method for measuring the velocity of a field-reversed electric propulsion plasma mass according to claim 3, characterized in that: The inductive magnetic probe device is fixed to one end of the inductive magnetic probe supporting device, and includes: The circuit boards are fixed at one end of the support structure at equal intervals to form a spatial array.

5. The method for measuring the velocity of a field-reversed electric propulsion plasma mass according to claim 1, characterized in that: The motor auxiliary device controls the movement of the induction magnetic probe support device, and the induction magnetic probe device collects multi-dimensional array velocity data for measuring the velocity of plasma clusters, including: The motor auxiliary device controls the axial and radial movement of the induction magnetic probe support device to adjust the position of the induction magnetic probe device for measuring the velocity of the plasma cluster; By adjusting the position of the induction magnetic probe device, the induction magnetic probe device collects multi-dimensional array velocity data for measuring the velocity of the plasma cluster.

6. A device for measuring the velocity of a field-reversed electric propulsion plasma mass, characterized in that: include: A first setting module is used to fix the induction magnetic probe device to one end of the induction magnetic probe support device, and the induction magnetic probe device is fixed inside the thruster discharge chamber by using the induction magnetic probe support device; A second setting module is used to fix the motor auxiliary device at the outlet position of the thruster discharge chamber, and the motor auxiliary device is connected to the induction magnetic probe supporting device; The acquisition module is used for the motor auxiliary device to control the movement of the induction magnetic probe supporting device, and the induction magnetic probe device acquires multi-dimensional array velocity data for measuring the velocity of plasma clusters.

7. The device for measuring the velocity of field-reversed electric propulsion plasma clusters according to claim 6, characterized in that: The induction magnetic probe supporting device comprises: a conducting wire, an insulating pipeline and a supporting structure.

8. The device for measuring the velocity of field-reversed electric propulsion plasma clusters according to claim 7, characterized in that: The inductive magnetic probe device comprises a plurality of circuit boards, wherein the circuit boards contain two point probe inductive coils, and the two point probe inductive coils are arranged in orthogonal directions.

9. The device for measuring the velocity of field-reversed electric propulsion plasma clusters according to claim 8, characterized in that: In the first setting module, the inductive magnetic probe device is fixed to one end of the inductive magnetic probe supporting device, including: The circuit boards are fixed at one end of the support structure at equal intervals to form a spatial array.

10. The device for measuring the velocity of field-reversed electric propulsion plasma clusters according to claim 6, characterized in that: The acquisition module is specifically used for: The motor auxiliary device controls the axial and radial movement of the induction magnetic probe support device to adjust the position of the induction magnetic probe device for measuring the velocity of the plasma cluster; By adjusting the position of the induction magnetic probe device, the induction magnetic probe device collects multi-dimensional array velocity data for measuring the velocity of the plasma cluster.

Citation Information

Patent Citations

  • Measuring device and method of thrust vector of detection space plasma thruster

    CN101614606A

  • Air suction type electric propelling device based on turbo-charging

    CN111120235A

  • Plasma probe measurement method for rolling torque of electric thruster

    CN116818261A

  • probe for measuring the electrical conductivity and / or the speed of an electrically conductive moving fluid medium

    DE1160096A

  • Method for determining the magnetic field distribution

    RU2793615C1