A proportional electric propulsion storage and supply body

By optimizing the functional layout and material selection, a proportional electric propulsion energy storage and supply body was designed, which solved the problems of complex structure, large size and heavy weight in the existing technology, and realized a lightweight and highly integrated energy storage and supply body, reducing production costs.

CN224427841UActive Publication Date: 2026-06-30SHANGHAI BLUE ARROW HONGQING SPACE TECHNOLOGY CO LTD +2

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANGHAI BLUE ARROW HONGQING SPACE TECHNOLOGY CO LTD
Filing Date
2025-07-23
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

Existing storage and supply systems are complex in structure, large in size, heavy in weight, and have high production costs, making it difficult to meet the lightweight and high integration requirements of satellite and electric propulsion technologies.

Method used

Design a proportional electric propulsion storage and supply body, using 7-series aluminum alloy material, formed by traditional machining methods, and optimize the functional layout by adopting an internal insertion structure and coaxial stepped hole design to improve functional integration and reduce structural size and weight.

Benefits of technology

It significantly reduces the structural size and weight of the storage and supply unit, improves space utilization, lowers production costs, simplifies processing and manufacturing, and enhances manufacturability.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model relates to the field of electric propulsion device technology, and proposes a proportional electric propulsion storage and supply body. The storage and supply body includes an air inlet connector mounting hole, an exhaust valve mounting hole, a high-pressure proportional solenoid valve mounting hole, a low-pressure proportional solenoid valve mounting hole, a high-pressure sensor mounting hole, a low-pressure sensor mounting hole, an anode connector mounting hole, a cathode connector mounting hole, a flow channel, and a mounting base. This utility model has at least the following beneficial effects: optimized mounting hole layout, functionally zoned, facilitating equipment installation, wiring, and pipeline laying; reduced structural dimensions of the storage and supply body while ensuring functional performance, thereby improving space utilization; standardized mounting hole structure, facilitating manufacturing; and further reduced weight of the storage and supply body by using high-strength 7-series aluminum alloy, lowering production costs.
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Description

Technical Field

[0001] This utility model relates to the field of electric propulsion device technology, and more specifically, to a proportional electric propulsion storage and supply body. Background Technology

[0002] The electric propulsion system is the satellite's power system, responsible for crucial tasks such as orbit changes and attitude adjustments. The storage and supply unit is the core component of the electric propulsion system, primarily responsible for the high-pressure storage, precise flow control, and management and distribution of working propellants such as krypton and xenon. The storage and supply unit generally includes gas cylinders, pressure and flow regulation modules, and piping. The storage and supply body itself is the main structural component of the pressure and flow regulation module, featuring openings of different sizes and shapes, internal flow channels, and serving as the mounting platform for various valves and sensors.

[0003] With the development of satellite and electric propulsion technologies, there is a growing demand for lighter and smaller gas supply systems that reduce structural footprint and improve space utilization. However, existing gas supply systems are complex in structure, large in size, dispersed in layout, and have poor manufacturability. Furthermore, existing gas supply systems are primarily manufactured using 3D printing of titanium alloys. For example, patent CN222629564U discloses an electric propulsion gas supply device whose gas supply system is integrally formed by 3D printing of TC4 titanium alloy. Gas supply systems produced using such materials and processes are heavy and have high production costs.

[0004] Therefore, in view of the problems existing in the prior art, it is necessary to design a storage and supply body that is simple in structure, small in size, light in weight, highly integrated and easy to manufacture. Utility Model Content

[0005] Based on existing technology, the objective of this utility model is to provide a proportional electric propulsion storage and supply body. Through this proportional electric propulsion storage and supply body, its functional layout can be optimized, its functional integration can be improved, thereby increasing space utilization and significantly reducing its size and weight.

[0006] According to this utility model, the above-mentioned task is achieved by a proportional electric propulsion storage and supply body, which includes first to sixth sides, wherein the first side is opposite to the third side, the second side is opposite to the fourth side, and the fifth side is opposite to the sixth side, and the first side is adjacent to the second side, and the third side is adjacent to the fourth side, and the fifth and sixth sides are perpendicular to the first to fourth sides. The storage and supply body includes:

[0007] An air intake connector mounting hole is arranged on the first side of the air supply body;

[0008] A valve mounting hole is provided on the second side of the storage and supply body;

[0009] The high-pressure proportional solenoid valve mounting hole is located on the fifth side of the storage and supply body;

[0010] The mounting hole for the low-pressure proportional solenoid valve is located on the fifth side of the storage and supply body.

[0011] A high-voltage sensor mounting hole is arranged on the first side of the storage and supply body;

[0012] A low-pressure sensor mounting hole is arranged on the first side of the storage and supply body;

[0013] Anode connector mounting hole is arranged on the third side of the storage body;

[0014] A cathode connector mounting hole is located on the third side of the storage body;

[0015] Flow channels, which are arranged inside the storage and supply body; and

[0016] The mounting base is located at the corner of the storage body.

[0017] Furthermore, the storage and supply body is made of 7-series aluminum alloy material and can be formed by traditional machining methods.

[0018] Furthermore, the intake connector mounting hole is a two-stage coaxial stepped hole structure, including:

[0019] A hexagonal boss is arranged on the outer end face of the air intake connector mounting hole;

[0020] A first internal threaded hole is arranged at one end of the air inlet connector mounting hole near the outer end face;

[0021] A first inner cylindrical hole is disposed at the end of the air intake connector mounting hole away from the outer end face; and

[0022] A stepped surface that connects the first internal threaded hole and the first internal cylindrical hole;

[0023] The coaxiality of the first inner cylindrical hole and the first internal threaded hole is φ0.01, and the surface finish of the cylindrical surface is 1.6.

[0024] Furthermore, a V-shaped annular groove is arranged on the stepped surface for sealing the end face. The V-shaped annular groove has a 60° angle and a height of 0.3 mm.

[0025] Furthermore, the mounting hole for the valve is a three-stage coaxial stepped hole structure, comprising:

[0026] The first outer cylindrical hole is arranged at one end of the supply valve mounting hole near the outside of the storage body;

[0027] A second internal threaded hole, which connects to the first external cylindrical hole; and

[0028] The second inner cylindrical hole is connected to the second internal threaded hole;

[0029] The first outer cylindrical hole, the second internal threaded hole, and the second inner cylindrical hole are based on the first outer cylindrical hole, with a coaxiality of φ0.01 and a hole surface finish of 1.6.

[0030] Furthermore, the high-voltage sensor mounting hole and the low-voltage sensor mounting hole are two-stage coaxial stepped hole structures and have the same size;

[0031] The high-voltage sensor mounting hole includes:

[0032] A second outer cylindrical hole is disposed at one end of the high-voltage sensor mounting hole near the exterior of the storage body; and

[0033] The third inner cylindrical hole is connected to the second outer cylindrical hole;

[0034] The low-pressure sensor mounting hole includes:

[0035] A third outer cylindrical hole is disposed at one end of the low-pressure sensor mounting hole near the exterior of the storage body; and

[0036] The fourth inner cylindrical hole is connected to the third outer cylindrical hole;

[0037] The second outer cylindrical hole, the third inner cylindrical hole, the third outer cylindrical hole, and the fourth inner cylindrical hole are hole structures with smooth internal surfaces.

[0038] Furthermore, the mounting hole for the high-pressure proportional solenoid valve and the mounting hole for the low-pressure proportional solenoid valve are a three-stage coaxial stepped hole structure.

[0039] The mounting hole for the high-pressure proportional solenoid valve includes:

[0040] The fourth outer cylindrical hole is located at one end of the high-pressure proportional solenoid valve mounting hole near the outside of the storage and supply body;

[0041] The first cylindrical hole connects to the fourth outer cylindrical hole; and

[0042] The fifth inner cylindrical hole is connected to the first middle cylindrical hole;

[0043] The mounting hole for the low-pressure proportional solenoid valve includes:

[0044] The fifth outer cylindrical hole is located at one end of the low-pressure proportional solenoid valve mounting hole near the outside of the storage and supply body;

[0045] The second cylindrical hole connects to the fifth outer cylindrical hole; and

[0046] The sixth inner cylindrical hole is connected to the second middle cylindrical hole;

[0047] The fourth outer cylindrical hole, the first middle cylindrical hole, the fifth inner cylindrical hole, the fifth outer cylindrical hole, the second middle cylindrical hole, and the sixth inner cylindrical hole are all hole structures with smooth internal surfaces. The fourth outer cylindrical hole and the fifth outer cylindrical hole have the same size, the first middle cylindrical hole and the second middle cylindrical hole have the same size, and the fifth inner cylindrical hole is deeper than the sixth inner cylindrical hole.

[0048] Furthermore, both the cathode connector mounting hole and the anode connector mounting hole are cylindrical with smooth internal holes, and the cathode connector mounting hole is deeper than the anode connector mounting hole.

[0049] Furthermore, the flow channel includes:

[0050] The first flow channel connects the air inlet connector mounting hole and the exhaust valve mounting hole;

[0051] The second flow channel connects the mounting hole of the feed valve to the mounting hole of the high-pressure proportional solenoid valve.

[0052] The third flow channel connects the mounting hole of the high-pressure proportional solenoid valve to the mounting hole of the high-pressure sensor.

[0053] The fourth flow channel connects the mounting hole of the high-pressure proportional solenoid valve to the mounting hole of the low-pressure proportional solenoid valve.

[0054] The fifth flow channel connects the mounting hole of the low-pressure proportional solenoid valve to the mounting hole of the low-pressure sensor;

[0055] The sixth flow channel connects the low-pressure proportional solenoid valve mounting hole to the cathode connector mounting hole; and

[0056] The seventh flow channel connects the cathode connector mounting hole and the anode connector mounting hole.

[0057] Furthermore, the diameters of the first flow channel, the second flow channel, the third flow channel, the fourth flow channel, the fifth flow channel, the sixth flow channel, and the seventh flow channel are set to 1 mm.

[0058] This invention proposes a proportional electric propulsion storage and supply body, which has at least the following advantages compared to the prior art: 1) The layout of the mounting holes of the storage and supply body is optimized, and functional zones are formed, arranging functionally related components on the same or adjacent sides, improving functional integration and facilitating equipment installation, wiring, and pipeline laying; 2) An internal insertion structure hole is adopted to achieve a flattened structural design, reducing the structural dimensions of the storage and supply body, especially the height dimension, while ensuring functional performance. Compared to the storage and supply body in the prior art, the storage and supply body proposed in this invention is 70% smaller in structural dimensions, thereby greatly reducing weight and improving space utilization; 3) The structural form of the mounting holes is standardized, with holes for installing equipment with the same function having the same structural form, facilitating processing and manufacturing; 4) By using high-strength 7-series aluminum alloy material instead of traditional titanium alloy 3D printing material, the weight of the storage and supply body is further reduced, production costs are lowered, and manufacturability is improved. Attached Figure Description

[0059] To further illustrate the advantages and other features of the various embodiments of this utility model, a more specific description of the embodiments of this utility model will be presented with reference to the accompanying drawings. It is understood that these drawings depict only typical embodiments of this utility model and are therefore not intended to limit its scope. In the drawings, for clarity, the same or corresponding parts will be indicated by the same or similar reference numerals.

[0060] Figure 1 This diagram shows a structural schematic of a proportional electric propulsion storage and supply body according to one embodiment of the present invention;

[0061] Figure 2 A cross-sectional view of a proportional electric propulsion storage and supply body according to one embodiment of the present invention is shown.

[0062] Figure 3 A partial schematic diagram of the air inlet connector mounting hole of a proportional electric propulsion storage and supply body according to one embodiment of the present invention is shown.

[0063] Figure 4 The diagram shows a cross-sectional view of the high-pressure proportional solenoid valve mounting hole and the low-pressure proportional solenoid valve mounting hole of a proportional electric propulsion storage and supply body according to one embodiment of the present invention.

[0064] List of reference numerals

[0065] 100 storage body

[0066] A. Storage and supply body, first surface

[0067] B. Storage and supply body second side

[0068] C. Storage and supply body third side

[0069] D Storage and Supply Body Fourth Surface

[0070] E Storage and Supply Body Fifth Surface

[0071] F Storage and Supply Body Sixth Surface

[0072] 1 Mounting base

[0073] 2 First Flow Channel

[0074] 3. Installation holes for the expansion and contraction valves

[0075] 3-1 First outer cylindrical hole

[0076] 3-2 Second internal threaded hole

[0077] 3-3 Second Inner Cylindrical Hole

[0078] 4 Second Flow Channel

[0079] 5. High-pressure proportional solenoid valve mounting hole

[0080] 5-1 Fourth outer cylindrical hole

[0081] 5-2 First cylindrical hole

[0082] 5-3 Fifth inner cylindrical hole

[0083] 6 Anode connector mounting hole

[0084] 7. Fourth flow channel

[0085] 8. Seventh Flow Channel

[0086] 9. Cathode connector mounting hole

[0087] 10 Low-pressure proportional solenoid valve mounting holes

[0088] 10-1 Fifth outer cylindrical hole

[0089] 10-2 Second cylindrical hole

[0090] 10-3 Sixth inner cylindrical hole

[0091] 11. Sixth Flow Channel

[0092] 12 Fifth Flow Channel

[0093] 13 Third Flow Channel

[0094] 14 Low-pressure sensor mounting holes

[0095] 14-1 Third outer cylindrical hole

[0096] 14-2 Fourth inner cylindrical hole

[0097] 15 High-voltage sensor mounting holes

[0098] 15-1 Second outer cylindrical hole

[0099] 15-2 Third Inner Cylindrical Hole

[0100] 16 Intake connector mounting holes

[0101] 16-1 Outer end face

[0102] 16-2 First internal threaded hole

[0103] 16-3 Stepped surface

[0104] 16-4 First Inner Cylindrical Hole

[0105] 16-5V type annular groove Detailed Implementation

[0106] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be noted that the structures, proportions, sizes, etc., shown in this specification are only for illustrative purposes and to enable those skilled in the art to understand and read the invention. They are not intended to limit the implementation conditions of the present invention. Any modifications to the structure, changes in proportions, or adjustments to the size, without affecting the effects and objectives of the present invention, should still fall within the scope of the technical content disclosed in the present invention.

[0107] In this utility model, the various embodiments are merely intended to illustrate the solution of this utility model and should not be construed as limiting.

[0108] In this utility model, unless otherwise specified, the quantifiers “one” and “one” do not exclude scenarios involving multiple elements.

[0109] It should also be noted that in the embodiments of this utility model, only a portion of the parts or components may be shown for clarity and simplicity. However, those skilled in the art will understand that, under the teachings of this utility model, the required parts or components can be added according to the specific scenario.

[0110] It should also be noted that in the description of this utility model, the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and for simplifying the description, and do not explicitly or implicitly suggest that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0111] In this invention, the term "step-type" should be understood as a structure that is segmented and gradually changes in the horizontal or vertical direction.

[0112] In this utility model, the term "cylindrical hole" includes "outer cylindrical hole", "middle cylindrical hole" and "inner cylindrical hole", referring to a type of cylindrical hole structure with a smooth interior surface.

[0113] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0114] Figure 1 A schematic diagram of the structure of a proportional electric propulsion storage and supply body according to one embodiment of the present invention is shown. Figure 1 As shown, the storage and supply body 100 includes an air inlet connector mounting hole 16, an air supply / exhaust valve mounting hole 3, a high-pressure sensor mounting hole 15, a low-pressure sensor mounting hole 14, a high-pressure proportional solenoid valve mounting hole 5, a low-pressure proportional solenoid valve mounting hole 10, a cathode connector mounting hole 9, an anode connector mounting hole 6, a mounting base 1, a first flow channel 2, a second flow channel 4, a third flow channel 13, a fourth flow channel 7, a fifth flow channel 12, a sixth flow channel 11, and a seventh flow channel 8. The air inlet connector mounting hole 16, the high-pressure sensor mounting hole 15, and the low-pressure sensor mounting hole... 14 are sequentially arranged on one side of the main body, and the intake / exhaust valve mounting hole 3 is arranged on the other side of the main body, perpendicular to one side of the intake connector mounting hole 16. The high-pressure proportional solenoid valve mounting hole 5 and the low-pressure proportional solenoid valve mounting hole 10 are sequentially arranged on the other side, respectively perpendicular to the intake connector mounting hole 16 and the intake / exhaust valve mounting hole 3. The high-pressure sensor mounting hole 15 is adjacent to the intake connector mounting hole 16. The cathode connector mounting hole 9 and the anode connector mounting hole 6 are arranged on the opposite side of the high-pressure sensor mounting hole 15 and the low-pressure sensor mounting hole 14. The outer end face 16-1 of the intake connector mounting hole 16 is provided with a hexagonal boss. The storage and supply main body is made of 7-series aluminum alloy material and can be formed by traditional machining methods.

[0115] In summary, the storage and supply body 100 includes first to sixth sides (AF), wherein the first side A is opposite to the third side C, the second side B is opposite to the fourth side D, and the fifth side E is opposite to the sixth side F. The first side A is adjacent to the second side B and the fourth side D, and the third side C is adjacent to the second side B and the fourth side D, with the adjacent positions of the two sides forming a corner. The fifth side E and the sixth side F are perpendicular to the first to fourth sides. Here, the storage and supply body 100 is preferably constructed as a cuboid or cube. In other embodiments, the first to fourth sides may not be perpendicular to each other, but may have other angles. The functions of each component are described below:

[0116] An air inlet connector mounting hole 16 is arranged on the first side of the storage and supply body and is configured to install an air inlet connector to achieve inlet connection and sealing of the working fluid.

[0117] The injection and discharge valve mounting hole 3 is arranged on the second side of the storage and supply body and is configured to install the injection and discharge valve to realize the injection and discharge of the working medium;

[0118] The high-pressure proportional solenoid valve mounting hole 5 is arranged on the fifth side of the storage and supply body and is configured to install the high-pressure proportional solenoid valve to realize the pressure regulation of the high-pressure working fluid.

[0119] A low-pressure proportional solenoid valve mounting hole 10 is arranged on the fifth side of the storage and supply body and is configured to install a low-pressure proportional solenoid valve to realize the pressure regulation of the low-pressure working fluid.

[0120] A high-pressure sensor mounting hole 15 is arranged on the first side of the storage and supply body. It is configured to install a high-pressure sensor to monitor the pressure parameters of the high-pressure working medium in real time and provide feedback for the adjustment of the high-pressure proportional solenoid valve.

[0121] A low-pressure sensor mounting hole 14 is arranged on the first side of the storage and supply body. It is configured to install a low-pressure sensor to monitor the pressure parameters of the low-pressure working fluid in real time and provide feedback for the adjustment of the low-pressure proportional solenoid valve.

[0122] Anode connector mounting hole 6 is arranged on the third side of the storage and supply body. It is configured to install the anode connector to realize the transport of working fluid in the anode and form the working fluid passage required for electrochemical reaction with the cathode.

[0123] The cathode connector mounting hole 9 is arranged on the third side of the storage body and is configured to install the cathode connector to realize the transport of the working fluid in the cathode and form the working fluid passage required for the electrochemical reaction in conjunction with the anode.

[0124] The flow channel, arranged inside the storage and supply body, is configured to connect the mounting holes, forming a pathway for working fluid transmission and pressure signal transmission; and

[0125] The mounting base is located at the corner of the storage and supply body and is configured to enable the fixed installation of the storage and supply body with external equipment and support the overall structure.

[0126] like Figure 1 As shown, in one embodiment of this utility model, a proportional electric propulsion storage and supply body 100 achieves the conduction of various mounting devices through internal flow channels. Specifically, a first flow channel 2 is provided between the air inlet connector mounting hole 16 and the air intake / exhaust valve mounting hole 3; a second flow channel 4 is provided between the air intake / exhaust valve mounting hole 3 and the high-pressure proportional solenoid valve mounting hole 5; a third flow channel 13 is provided between the high-pressure proportional solenoid valve mounting hole 5 and the high-pressure sensor mounting hole 15; a fourth flow channel 7 is provided between the high-pressure proportional solenoid valve mounting hole 5 and the low-pressure proportional solenoid valve mounting hole 10; a fifth flow channel 12 is provided between the low-pressure proportional solenoid valve mounting hole 10 and the low-pressure sensor mounting hole 14; a sixth flow channel 11 is provided between the low-pressure proportional solenoid valve mounting hole 10 and the cathode connector mounting hole 9; and a seventh flow channel 8 is provided between the cathode connector mounting hole 9 and the anode connector mounting hole 6.

[0127] Figure 2 A cross-sectional view of a proportional electric propulsion storage and supply body according to one embodiment of the present invention is shown. Figure 2 As shown, the intake connector mounting hole 16 is a double-stage coaxial stepped hole structure, with an inner first inner cylindrical hole 16-4 and an outer first internal threaded hole 16-2, a coaxiality of φ0.01, and a cylindrical surface finish of 1.6; on the stepped surface 16-3 between the first inner cylindrical hole 16-4 and the first internal threaded hole 16-2, a V-shaped annular groove 16-5 with a 60° angle and a height of 0.3mm is provided, and the stepped surface finish is 1.6.

[0128] like Figure 2 As shown, the mounting hole 3 of the valve is a three-stage coaxial stepped hole structure. Its interior is a second inner cylindrical hole 3-3, the middle part is a second internal threaded hole 3-2, and the exterior is a first outer cylindrical hole 3-1. With the first outer cylindrical hole 3-1 as the reference, the coaxiality is φ0.01, and the hole surface finish is 1.6.

[0129] like Figure 2 As shown, the high-voltage sensor mounting hole 15 and the low-voltage sensor mounting hole 14 are arranged side by side and have the same structural dimensions. They both adopt a two-stage coaxial stepped hole structure. The high-voltage sensor mounting hole 15 has a third inner cylindrical hole 15-2 inside and a second outer cylindrical hole 15-1 outside. The low-voltage sensor mounting hole 14 has a fourth inner cylindrical hole 14-2 inside and a third outer cylindrical hole 14-1 outside.

[0130] like Figure 2 As shown, both the cathode connector mounting hole 9 and the anode connector mounting hole 6 are cylindrical holes, with the cathode connector mounting hole 9 being deeper than the anode connector mounting hole 6.

[0131] Figure 3 A partial schematic diagram of the air inlet mounting hole 16 of a proportional electric propulsion storage and supply body according to one embodiment of the present invention is shown. Figure 3 As shown, a V-shaped annular groove 16-5 is arranged on the stepped surface 16-3 for sealing the end face and improving sealing reliability. The V-shaped annular groove 16-5 has a 60° angle and a height of 0.3 mm.

[0132] Figure 4 This illustration shows a cross-sectional view of the high-pressure proportional solenoid valve mounting hole 5 and the low-pressure proportional solenoid valve mounting hole 10 of a proportional electric propulsion storage and supply body according to one embodiment of the present invention. Figure 4 As shown, the high-pressure proportional solenoid valve mounting hole 5 and the low-pressure proportional solenoid valve mounting hole 10 are arranged side by side, both adopting a three-stage coaxial stepped hole structure. The high-pressure proportional solenoid valve mounting hole 5 has a fourth outer cylindrical hole 5-1 on the outside, a first middle cylindrical hole 5-2 in the middle, and a fifth inner cylindrical hole 5-3 on the inside. The low-pressure proportional solenoid valve mounting hole 10 has a fifth outer cylindrical hole 10-1 on the outside, a second middle cylindrical hole 10-2 in the middle, and a sixth inner cylindrical hole 10-3 on the inside. The fourth outer cylindrical hole 5-1 and the fifth outer cylindrical hole 10-1 have the same dimensions, the first middle cylindrical hole 5-2 and the second middle cylindrical hole 10-2 have the same dimensions, and the fifth inner cylindrical hole 5-3 is deeper than the sixth inner cylindrical hole 10-3.

[0133] The working principle of this utility model is as follows:

[0134] This utility model proposes a proportional electric propulsion storage and supply body 100. Related components are mounted via an air inlet connector mounting hole 16, an exhaust valve mounting hole 3, a high-pressure sensor mounting hole 15, a low-pressure sensor mounting hole 14, a high-pressure proportional solenoid valve mounting hole 5, a low-pressure proportional solenoid valve mounting hole 10, a cathode connector mounting hole 9, and an anode connector mounting hole 6. Each mounting hole fits tightly with the components, forming a sealed internal cavity. The storage and supply body is mounted as a whole via a mounting base 1. During operation, gas is transported and circulated between the components within the storage and supply body through flow channels.

[0135] Although various embodiments of the present invention have been described above, it should be understood that they are presented by way of example only and not as limitations. It will be apparent to those skilled in the art that various combinations, modifications, and alterations can be made without departing from the spirit and scope of the present invention. Therefore, the breadth and scope of the present invention disclosed herein should not be limited by the exemplary embodiments disclosed above, but should be defined solely by the appended claims and their equivalents.

Claims

1. A proportional electric propulsion feed reservoir characterized in that, The proportional electric propulsion storage and supply body includes a first to a sixth side, wherein the first side is opposite to the third side, the second side is opposite to the fourth side, and the fifth side is opposite to the sixth side, and the first side is adjacent to the second side, and the third side is adjacent to the fourth side, and the fifth and sixth sides are perpendicular to the first to fourth sides. The storage and supply body includes: An air inlet connector mounting hole is arranged on the first side of the air supply body; A valve mounting hole is provided on the second side of the storage and supply body; The high-pressure proportional solenoid valve mounting hole is located on the fifth side of the storage and supply body; The mounting hole for the low-pressure proportional solenoid valve is located on the fifth side of the storage and supply body. A high-voltage sensor mounting hole is arranged on the first side of the storage and supply body; A low-pressure sensor mounting hole is arranged on the first side of the storage and supply body; Anode connector mounting hole is arranged on the third side of the storage body; A cathode connector mounting hole is located on the third side of the storage body; Flow channels, which are arranged inside the storage and supply body; and The mounting base is located at the corner of the storage body.

2. The proportional electric propulsion feed body of claim 1, wherein, Made of 7-series aluminum alloy, it can be formed using traditional machining methods.

3. The proportional electric propulsion storage and supply body according to claim 1, characterized in that, The intake connector mounting hole is constructed as a two-stage coaxial stepped hole structure, including: A hexagonal boss is arranged on the outer end face of the air intake connector mounting hole; A first internal threaded hole is arranged at one end of the air inlet connector mounting hole near the outer end face; A first inner cylindrical hole is disposed at the end of the air intake connector mounting hole away from the outer end face; and A stepped surface, configured to connect the first internal threaded hole and the first internal cylindrical hole; The first inner cylindrical hole and the first internal threaded hole are configured to have a coaxiality of φ0.01, and the surface finish of the cylindrical surface is set to 1.

6.

4. The proportional electric propulsion storage and supply body according to claim 3, characterized in that, A V-shaped annular groove is arranged on the stepped surface, which is configured as a sealing end face. The V-shaped annular groove is constructed at a 60° angle and has a height of 0.3 mm.

5. The proportional electric propulsion storage and supply body according to claim 1, characterized in that, The mounting hole for the valve is constructed as a three-stage coaxial stepped hole structure, including: The first outer cylindrical hole is arranged at one end of the supply valve mounting hole near the outside of the storage body; A second internal threaded hole, configured to connect with the first external cylindrical hole; and The second inner cylindrical hole is configured to connect with the second internal threaded hole; The first outer cylindrical hole, the second internal threaded hole, and the second inner cylindrical hole are constructed with the first outer cylindrical hole as the reference, having a coaxiality of φ0.01 and a hole surface finish of 1.

6.

6. The proportional electric propulsion storage and supply body according to claim 1, characterized in that, The high-voltage sensor mounting hole and the low-voltage sensor mounting hole are constructed as a two-stage coaxial stepped hole structure and have the same size; The high-voltage sensor mounting hole includes: A second outer cylindrical hole is disposed at one end of the high-voltage sensor mounting hole near the exterior of the storage body; and The third inner cylindrical hole is configured to connect with the second outer cylindrical hole; The low-pressure sensor mounting hole includes: A third outer cylindrical hole is disposed at one end of the low-pressure sensor mounting hole near the exterior of the storage body; and The fourth inner cylindrical hole is configured to connect with the third outer cylindrical hole; The second outer cylindrical hole, the third inner cylindrical hole, the third outer cylindrical hole, and the fourth inner cylindrical hole are constructed as hole structures with smooth internal surfaces.

7. The proportional electric propulsion storage and supply body according to claim 1, characterized in that, The mounting holes for the high-pressure proportional solenoid valve and the low-pressure proportional solenoid valve are constructed as a three-stage coaxial stepped hole structure. The mounting hole for the high-pressure proportional solenoid valve includes: The fourth outer cylindrical hole is located at one end of the high-pressure proportional solenoid valve mounting hole near the outside of the storage and supply body; The first cylindrical hole is configured to connect with the fourth outer cylindrical hole; and The fifth inner cylindrical hole is configured to connect with the first middle cylindrical hole; The mounting hole for the low-pressure proportional solenoid valve includes: The fifth outer cylindrical hole is located at one end of the low-pressure proportional solenoid valve mounting hole near the outside of the storage and supply body; The second cylindrical hole is configured to connect with the fifth outer cylindrical hole; and The sixth inner cylindrical hole is configured to connect with the second middle cylindrical hole; The fourth outer cylindrical hole, the first middle cylindrical hole, the fifth inner cylindrical hole, the fifth outer cylindrical hole, the second middle cylindrical hole, and the sixth inner cylindrical hole are all constructed as hole structures with smooth internal surfaces. The fourth outer cylindrical hole and the fifth outer cylindrical hole have the same size, the first middle cylindrical hole and the second middle cylindrical hole have the same size, and the fifth inner cylindrical hole is deeper than the sixth inner cylindrical hole.

8. The proportional electric propulsion storage and supply body according to claim 1, characterized in that, Both the cathode connector mounting hole and the anode connector mounting hole are cylindrical with smooth internal holes, and the cathode connector mounting hole is deeper than the anode connector mounting hole.

9. The proportional electric propulsion storage and supply body according to claim 1, characterized in that, The flow channel includes: A first flow channel is configured to connect the intake connector mounting hole and the exhaust valve mounting hole; The second flow channel is configured to connect the feed valve mounting hole and the high-pressure proportional solenoid valve mounting hole. The third flow channel is configured to connect the high-pressure proportional solenoid valve mounting hole and the high-pressure sensor mounting hole; The fourth flow channel is configured to connect the high-pressure proportional solenoid valve mounting hole and the low-pressure proportional solenoid valve mounting hole. The fifth flow channel is configured to connect the low-pressure proportional solenoid valve mounting hole and the low-pressure sensor mounting hole; The sixth flow channel is configured to connect the low-pressure proportional solenoid valve mounting hole and the cathode connector mounting hole; and The seventh flow channel is configured to connect the cathode connector mounting hole and the anode connector mounting hole.

10. The proportional electric propulsion storage and supply body according to claim 9, characterized in that: The diameters of the first flow channel, the second flow channel, the third flow channel, the fourth flow channel, the fifth flow channel, the sixth flow channel, and the seventh flow channel are set to 1 mm.