Low-power-consumption heat dissipation system based on electrostatic motor driving

Abstract

The utility model belongs to the technical field of heat dissipation fans, and particularly relates to a low-power-consumption heat dissipation system based on electrostatic motor driving. The shell is used for loading the electrostatic motor and is internally provided with a flow guide channel for guiding the airflow direction; the electrostatic motor comprises a stator component which comprises a positive electrode and a negative electrode which are connected with a high-voltage direct-current power supply, and an electrostatic field is formed between the positive electrode and the negative electrode; the rotor part is located in the stator part, and the rotor part comprises a fan assembly and a conducting strip; the conducting strip of the rotor part can obtain charges from the positive electrode and the negative electrode of the stator part, so that the rotor part is rotationally driven by the stator part to drive the fan assembly to rotate to disturb airflow, and the airflow flows along the flow guide channel. The fan has the advantages that the fan blades are driven by the electrostatic motor, power consumption is greatly reduced compared with that of an electromagnetic motor, the fan can be more miniaturized and flattened, airflow can smoothly pass through the fan, heat dissipation efficiency is higher, and noise is lower.

Description

Technical Field

[0001] The utility model relates to the technical field of cooling fans, and particularly relates to a low-power cooling system driven by an electrostatic motor. Background Art

[0002] At present, ultra-thin cooling fans are mainly driven by electromagnetic motors. The electromagnetic motors drive the blades to rotate, so as to be able to suck in air to dissipate heat from the cooling plate and discharge the hot air.

[0003] The applicant finds that the existing cooling fans driven by electromagnetic motors have the following defects in the actual use process:

[0004] (1) The existing ultra-thin cooling fans driven by electromagnetic motors have relatively high power consumption. For example, the power consumption of the Acer NS65C03 fan radiator is 2.5W (5V / 0.5A). The rotational speed of the electromagnetic motor is relatively low, about 4000 - 5000 RPM. The motor load is relatively large, resulting in low motor efficiency and thus high power consumption.

[0005] (2) There is a flat motor in the middle of the existing ultra-thin cooling fans driven by electromagnetic motors. This motor occupies a large area of the air flow channel and obstructs the air flow channel, resulting in reduced heat dissipation effect.

[0006] (3) The cooling fans driven by electromagnetic motors are limited by the electromagnetic motors and are difficult to be miniaturized or flattened further.

[0007] Therefore, it is urgent to develop a new fan cooling mechanism to solve the above problems. Summary of the Utility Model

[0008] Aiming at the deficiencies of the existing technology, the purpose of the utility model is to provide a low-power cooling system and a cooling fan driven by an electrostatic motor to solve the above problems.

[0009] The technical solution of the utility model is realized as follows: A low-power cooling system driven by an electrostatic motor includes:

[0010] An electrostatic motor;

[0011] A housing for carrying the electrostatic motor, and having a flow guiding channel inside for guiding the air flow direction;

[0012] Wherein, the electrostatic motor includes:

[0013] A stator component, which includes a positive electrode and a negative electrode connected to a high-voltage DC power supply. An electrostatic field is formed between the positive electrode and the negative electrode.

[0014] Both the positive electrode and the negative electrode are multiple, and are cross-distributed in the circumferential direction of the stator component;

[0015] A rotor component, which is located inside a stator component. The rotor component includes a fan assembly and conductive sheets.

[0016] Among them, the conductive sheets of the rotor component can obtain electric charges from the positive electrode and negative electrode of the stator component, so that the rotor component is rotationally driven by the stator component to drive the fan assembly to rotate and disturb the air flow, causing the air flow to flow along the diversion channel.

[0017] Furthermore, it is characterized in that the stator component further includes:

[0018] An upper support frame, which is of an annular structure;

[0019] A lower support frame, which is of an annular structure;

[0020] Among them, the upper support frame and the lower support frame are connected by a plurality of vertical fins arranged circumferentially. The fins are distributed crosswise in the circumferential direction between the upper support frame and the lower support frame as the positive electrode and the negative electrode. The positive electrode is electrically connected to the positive pole of the high-voltage DC power supply through a positive pole connection wire, and the negative electrode is electrically connected to the negative pole of the high-voltage DC power supply through a negative pole connection wire;

[0021] An included angle is formed between the fins and the upper support frame and the lower support frame.

[0022] Furthermore, it is characterized in that the rotor component further includes:

[0023] A frame assembly, which can rotate and at least partially located inside the stator component;

[0024] A plurality of conductive sheets, which are arranged and distributed on the circumferential outer side of the frame assembly and can pass through the corona regions of the positive electrode and the negative electrode;

[0025] A fan assembly, which is fixedly connected to the frame assembly.

[0026] Furthermore, the frame assembly includes:

[0027] An outer frame, which includes an outer frame one and an outer frame two. Both the outer frame one and the outer frame two are annular, and the conductive sheets are located between the outer frame one and the outer frame two;

[0028] An inner frame, which includes an inner frame one and an inner frame two. Both the inner frame one and the inner frame two are annular;

[0029] Among them, the fan assembly includes a number of air guiding vanes circumferentially distributed between the outer frame and the inner frame. The air guiding vanes are fixedly installed on the outer edge of the inner frame, and the outer edge of each air guiding vane is correspondingly connected to a conductive sheet.

[0030] Furthermore, it further includes:

[0031] Brushes, which are located on the positive electrode, the negative electrode and / or the conductive sheets and can softly connect the electrodes and the conductive sheets.

[0032] Further, the brush is a silver wire and is located on the electrode, and its cantilever end contacts the conductive sheet radially inward.

[0033] Further, the housing includes:

[0034] A heat conduction plate;

[0035] A first cover plate, a diversion channel is formed between the heat conduction plate and the first cover plate;

[0036] An air inlet, which is arranged at one end of the first cover plate away from the heat conduction plate;

[0037] Wherein, the lower support frame is installed on the air inlet, and an air outlet is arranged at one end of the housing away from the air inlet.

[0038] Further, the housing further includes:

[0039] A second cover plate, which is installed at the upper end of the upper support frame, so that a radial air guiding area is formed between the second cover plate and the first cover plate;

[0040] A fin group, there are several fin groups, and the several fin groups are circumferentially arranged on the upper end of the first cover plate and are located in the radial air guiding area, and are cross-distributed with the fins in the circumferential direction;

[0041] Wherein, each fin group includes several heat conduction fins stacked at intervals.

[0042] The beneficial effects of the present utility model are:

[0043] Compared with the traditional electromagnetic motor-driven cooling fan, the electrostatic motor has the characteristics of small current in the microampere level, low noise, high energy conversion efficiency, high power density, and almost no heat generation. The cooling fan driven by the electrostatic motor can be more miniaturized and flattened. Compared with the electromagnetic motor, the electrostatic motor is more suitable for working under low-speed conditions and has extremely low power consumption. Under the same radiator size, the power consumption is about below 0.2W;

[0044] In addition, compared with the traditional electromagnetic motor, the present implementation structure does not need to set a flat motor to drive the fan assembly to rotate, eliminating the physical obstacle of the motor, enabling the air flow to flow more freely, improving the overall efficiency of the fan, and at the same time without the interference of the motor, the working noise of the fan is lower.

[0045] Generally speaking, the cooling fan is driven by an electrostatic motor to drive the fan blades, and the power consumption is greatly reduced compared with the electromagnetic motor. It can be more miniaturized and flattened, enabling the air flow to pass smoothly, with higher heat dissipation efficiency and lower noise. Description of the Drawings

[0046] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0047] Figure 1 is a schematic diagram of the low-power dissipation system based on an electrostatic motor drive in the specific implementation manner of the present invention;

[0048] Figure 2 is a schematic diagram of the structure of the cooling fan in the specific implementation manner of the present invention Figure 1 ;

[0049] Figure 3 is an exploded view of the structure of the cooling fan in Figure 2 of the specific implementation manner of the present invention;

[0050] Figure 4 is an enlarged view of A in Figure 3 of the specific implementation manner of the present invention;

[0051] Figure 5 is a schematic diagram of the structure of the cooling fan in the specific implementation manner of the present invention Figure 2 ;

[0052] Figure 6 is an exploded view of the structure of the cooling fan in Figure 5 of the specific implementation manner of the present invention;

[0053] Figure 7 is a view of the structure of the cooling fan in Figure 5 of the specific implementation manner of the present invention without cover plate II;

[0054] Figure 8 is a schematic diagram of the structure of the heat conducting plate in the specific implementation manner of the present invention. Specific implementation manner

[0055] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0056] In the description of the present application, it should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments of the present application. For ease of description, the dimensions of the various parts shown in the drawings are not drawn in actual proportional relationship. Technologies, methods, and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the said technologies, methods, and devices should be regarded as part of the authorization specification. In all the examples shown and discussed here, any specific value should be construed as merely exemplary and not as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0057] Embodiment 1:

[0058] As shown in FIGS. 1 to 8, the present utility model discloses a low-power cooling system driven by an electrostatic motor, a low-power cooling system driven by an electrostatic motor, comprising:

[0059] An electrostatic motor 100;

[0060] A housing 200 for carrying the electrostatic motor 100 and having a flow guiding channel inside for guiding the air flow direction;

[0061] Wherein, the electrostatic motor 100 comprises:

[0062] A stator component 110, which includes a positive electrode 111 and a negative electrode 112 connected to a high-voltage DC power supply, and an electrostatic field is formed between the positive electrode 111 and the negative electrode 112,

[0063] Both the positive electrode 111 and the negative electrode 112 are multiple and are cross-distributed in the circumferential direction of the stator component 110;

[0064] A rotor component 120, which is located inside the stator component 110, and the rotor component 120 includes a fan assembly 121 and a conductive sheet 122;

[0065] Wherein, the conductive sheet 122 of the rotor component 120 can obtain charges from the positive electrode 111 and the negative electrode 112 of the stator component 110, so that the rotor component 120 is rotationally driven by the stator component 110 to drive the fan assembly 121 to rotate and disturb the air flow to make the air flow flow along the flow guiding channel.

[0066] In this embodiment, the working principle of the electrostatic motor is shown in FIG1 . When a DC high voltage is applied to the positive and negative electrodes respectively, an electrostatic field is formed between the positive and negative electrodes, and a corona zone is formed near the positive and negative electrodes (the electric field near the electrode is very strong, and the air near the electrode can be ionized to form a corona zone, so that the air near the electrode carries the same charge as the electrode plate); when the conductive sheet (which can carry charge in the electric field) on the rotor component passes through the positive electrode (or negative electrode), the conductive sheet will carry the same charge as the electrode plate, so a repulsive force will be generated between the conductive sheet and the electrode (positive electrode), pushing the rotor component to move. At the same time, the rotor carrying the charge will rush to the next level (negative electrode) under the action of the electric field. The charge on the conductive sheet is first neutralized and then introduced into the same charge as the negative electrode, so a repulsive force will be generated between the conductive sheet and the electrode (negative electrode), pushing the rotor component to move. This cycle forms a continuous driving force.

[0067] In the wiring method of this embodiment, the positive electrode of the high-voltage DC power supply of this embodiment is connected to each positive electrode through a positive electrode connection line, and the negative electrode of the high-voltage DC power supply is connected to each negative electrode through a negative electrode connection line. The layout positions of the positive electrode connection line and the negative electrode connection line can be adaptively arranged according to the actual application scenario to adapt to different accommodation intervals;

[0068] By adopting the above technical solution, an alternating electric field is formed in the circumferential direction by connecting high-voltage direct current, and the charged conductive sheet will be forced to move in the high-voltage electric field, thereby driving the fan assembly to rotate, so as to disturb the airflow so that the airflow flows along the guide channel and contacts the heat dissipation copper plate at the bottom, thereby performing strong convection heat dissipation on the copper plate, and the hot air after heat dissipation is discharged from the exhaust port;

[0069] Compared with the cooling fan driven by the electromagnetic motor, the electrostatic motor has the characteristics of low current in microampere level, low noise, high energy conversion efficiency, high power density, and almost no heat. The cooling fan driven by the electrostatic motor can be more miniaturized and flat. Compared with the electromagnetic motor, the electrostatic motor is more suitable for working under low speed conditions and has extremely low power consumption. Under the same radiator size, the power consumption is about 0.2W or less;

[0070] In addition, compared to traditional electromagnetic motors, the present embodiment does not require a flat motor to drive the fan assembly to rotate, eliminating the physical obstruction of the motor, allowing the airflow to flow more freely, improving the overall efficiency of the fan, and at the same time, without the interference of the motor, the fan's operating noise is lower.

[0071] In general, the cooling fan drives the fan blades through an electrostatic motor, which greatly reduces power consumption compared to an electromagnetic motor. It can be more miniaturized and flattened, allowing airflow to pass smoothly, with higher heat dissipation efficiency and lower noise.

[0072] Embodiment 2:

[0073] This embodiment provides a low-power cooling system driven by an electrostatic motor. In addition to including the technical solutions of the above embodiments, it also has the following technical features.

[0074] Furthermore, it is characterized in that the stator component 110 further includes:

[0075] An upper support frame 113, which is of a ring structure;

[0076] A lower support frame 114, which is of a ring structure;

[0077] Among them, the upper support frame 113 and the lower support frame 114 are connected by a plurality of vertical fins arranged circumferentially. The fins are distributed crosswise in the circumferential direction between the upper support frame 113 and the lower support frame 114 as the positive electrode 111 and the negative electrode 112. The positive electrode 111 is electrically connected to the positive pole of the high-voltage DC power supply through a positive pole connection wire, and the negative electrode 112 is electrically connected to the negative pole of the high-voltage DC power supply through a negative pole connection wire;

[0078] An included angle is formed between the fins and the upper support frame 113 and the lower support frame 114.

[0079] In this embodiment, the upper support frame and the lower support frame are insulators, and adjacent positive and negative electrodes will not transfer charges because they are fixed on the upper support frame and the lower support frame;

[0080] In this embodiment, a cross-shaped frame structure is provided on the radial inner sides of the upper support frame and the lower support frame to ensure the structural stability of the upper support frame and the lower support frame;

[0081] In this embodiment, the fins are made of carbon fiber thin plates, which have better structural strength and are lighter;

[0082] In this embodiment, the positive and negative electrodes are obliquely arranged carbon fiber thin plates evenly distributed in the circumferential direction, and are alternately connected to the positive and negative poles of the high-voltage DC, so that a high-voltage electric field can be formed between the thin plates;

[0083] By adopting the above technical solutions, the function of the conductive sheet is to carry charges and thus move forcedly between the electrodes, so that the rotor component obtains torque. The fan assembly, as a component that rotates to disturb the air flow and makes the air flow flow along the diversion channel, is arranged in the electrostatic motor and is more miniaturized, which can improve the structural utilization rate. At the same time, the ring frame for fixing the conductive sheet strengthens the structural strength of the entire rotor.

[0084] Embodiment 3:

[0085] This embodiment provides a low-power cooling system driven by an electrostatic motor. In addition to including the technical solutions of the above embodiments, it also has the following technical features.

[0086] Further, it is characterized in that the rotor component 120 further includes:

[0087] A frame component, which is rotatable and at least partially located within the stator component 110;

[0088] A plurality of conductive sheets 122, which are arranged and distributed on the outer circumference of the frame component and can pass through the corona regions of the positive electrode 111 and the negative electrode 112;

[0089] A fan component 121, which is fixedly connected to the frame component.

[0090] In this embodiment, the conductive sheet is a carbon fiber thin plate;

[0091] By adopting the above technical solution, by using the conductive sheet, the conductive sheet can carry more charges. The conductive sheet is a carbon fiber thin plate, and carbon fiber can conduct electricity while having very high strength and being lighter;

[0092] In addition, according to actual requirements, the length of the conductive sheet in the vertical direction can be further increased to obtain a greater electrostatic driving torque.

[0093] Embodiment 4:

[0094] This embodiment provides a low-power cooling system based on an electrostatic motor drive. In addition to including the technical solutions of the above embodiments, it further has the following technical features.

[0095] Further, the frame component includes:

[0096] An outer frame, which includes an outer frame one 123 and an outer frame two 124. Both the outer frame one 123 and the outer frame two 124 are annular, and the conductive sheet 122 is located between the outer frame one 123 and the outer frame two 124;

[0097] An inner frame, which includes an inner frame one 125 and an inner frame two 126. Both the inner frame one 125 and the inner frame two 126 are annular;

[0098] Wherein, the fan component 121 includes a number of air guiding vanes circumferentially distributed between the outer frame and the inner frame. The air guiding vanes are fixedly installed on the outer edge of the inner frame, and the outer edge of each air guiding vane corresponds to and is connected to a conductive sheet 122.

[0099] In this embodiment, the number of air guiding vanes of the fan component can be set more or less according to requirements, and the shape of the fan blades can also be other shapes in addition to the shape shown in the drawings of this application;

[0100] In this embodiment, the inner frame is rotatably connected to the cross-shaped frames on its upper and lower sides through bearings, enabling the fan assembly to rotate freely;

[0101] By adopting the above technical solution, the outer edge of the air guiding blade is fixedly connected to the conductive sheet. When the conductive sheet is pushed, the rotor will move under the electrostatic force and drive the air guiding blade to rotate together. In addition, the inner frame is connected to the conductive sheet, eliminating the need for an additional support structure between the inner frame and the outer frame. This not only simplifies the overall structure but also significantly improves the structural compactness and functionality.

[0102] Embodiment 5:

[0103] This embodiment provides a low-power dissipation cooling system driven by an electrostatic motor. In addition to including the technical solutions of the above embodiments, it also has the following technical features.

[0104] Furthermore, it further includes: a brush 2000, located on the positive electrode 111, the negative electrode 112, and / or the conductive sheet 122, and capable of soft-connecting the electrode to the conductive sheet 122.

[0105] Furthermore, the brush 2000 is made of silver wire and is located on the electrode, and its cantilever end contacts the conductive sheet 122 radially inward.

[0106] By adopting the above technical solution, as shown in Figure 4, the magnitude of the electrostatic driving force of the electrostatic motor also depends on the gap between the rotor and the stator. The smaller the gap, the closer the rotor is to the electrode (the closer to the electrode, the stronger the corona field), and thus the more charges can be obtained. To avoid rubbing, at the same time, in order to obtain a larger electrostatic driving torque, the gap between the rotor component and the stator component must be reduced. However, due to the machining and assembly accuracy problems, the gap cannot be made very small. By radially obliquely inserting a silver wire brush into the electrode, a soft contact between the rotor and the electrode is achieved, and the gap between the rotor conductive sheet and the electrode is zero. Although the use of the brush will increase the resistance of the rotor, the increase in the electrostatic force is greater than the increase in the resistance, obtaining a larger electrostatic driving torque, effectively improving the starting performance, running stability, efficiency and energy consumption, noise and vibration control, etc. of the cooling fan.

[0107] Embodiment 6:

[0108] This embodiment provides a low-power dissipation cooling system driven by an electrostatic motor. In addition to including the technical solutions of the above embodiments, it also has the following technical features.

[0109] Furthermore, the housing 200 includes:

[0110] A heat conducting plate 201;

[0111] Cover plate one 202, a diversion channel is formed between the heat conducting plate 201 and the cover plate one 202;

[0112] Air inlet, arranged at one end of the cover plate one 202 away from the heat conducting plate 201;

[0113] Among them, the lower support frame 114 is installed on the air inlet, and an air outlet is arranged at one end of the housing 200 away from the air inlet.

[0114] In this embodiment, the heat conducting plate is a heat dissipating copper plate;

[0115] By adopting the above technical solution, after the air guiding blades rotate, air can be sucked in from all around to the heat dissipating copper plate at the bottom. After the air contacts the heat dissipating copper plate, it will be discharged from the air outlet, thus completing heat dissipation.

[0116] Embodiment 7:

[0117] This embodiment provides a low-power heat dissipation system driven by an electrostatic motor. In addition to including the technical solutions of the above embodiments, it also has the following technical features.

[0118] Furthermore, the housing 200 further includes: cover plate two 203, installed at the upper end of the upper support frame 113, so that a radial air guiding area is formed between the cover plate two 203 and the cover plate one 202;

[0119] Fin group 204, several are provided, and several fin groups are circumferentially arranged at the upper end of the cover plate one 202 and located in the radial air guiding area, and are cross-distributed with the fins in the circumferential direction;

[0120] Among them, each fin group includes several heat conducting fins stacked at intervals.

[0121] In this embodiment, the heat conducting fins are heat conducting copper sheets; by adopting the above technical solution, through the structural layout of the fin group and the fins, and in cooperation with the radial air guiding area formed between the cover plate two and the cover plate one, the fin group is circumferentially distributed in the radial air guiding area. When the air guiding blades rotate, the air around is sucked into the area in front of the air inlet through the air guiding area, first fully contacts and conducts heat with the fin group, and then contacts the heat conducting copper plate through the diversion channel and is discharged from the air outlet, thus completing heat dissipation, effectively improving the heat dissipation effect. The several stacked heat conducting fins can further improve the heat dissipation effect.

[0122] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A low-power dissipation cooling system driven by an electrostatic motor, characterized in that, Comprising: An electrostatic motor (100); A housing (200) for housing the electrostatic motor (100) and having a flow guiding channel inside for guiding the air flow direction; Wherein, the electrostatic motor (100) comprises: A stator component (110) which includes a positive electrode (111) and a negative electrode (112) connected to a high voltage DC power supply. An electrostatic field is formed between the positive electrode (111) and the negative electrode (112); Both the positive electrode (111) and the negative electrode (112) are multiple, and are cross - distributed in the circumferential direction of the stator component (110); A rotor component (120) which is located inside the stator component (110). The rotor component (120) includes a fan assembly (121) and conductive sheets (122); Wherein, the conductive sheets (122) of the rotor component (120) can acquire charges from the positive electrode (111) and the negative electrode (112) of the stator component (110), so that the rotor component (120) is rotationally driven by the stator component (110) to drive the fan assembly (121) to rotate and disturb the air flow to make the air flow along the flow guiding channel.

2. The low-power dissipation cooling system based on an electrostatic motor drive according to claim 1, wherein, The stator component (110) further includes: An upper support frame (113), which is of an annular structure; A lower support frame (114), which is of an annular structure; Wherein, the upper support frame (113) and the lower support frame (114) are connected by a plurality of vertical fins arranged in the circumferential direction. The fins are cross - distributed as the positive electrode (111) and the negative electrode (112) between the upper support frame (113) and the lower support frame (114). The positive electrode (111) is electrically connected to the positive pole of the high voltage DC power supply through a positive pole connection wire, and the negative electrode (112) is electrically connected to the negative pole of the high voltage DC power supply through a negative pole connection wire; An included angle is formed between the fins and the upper support frame (113) and the lower support frame (114).

3. The low-power cooling system based on an electrostatic motor drive according to claim 2, wherein, The rotor component (120) further includes: A frame assembly which can rotate and is at least partially located inside the stator component (110); Conductive sheets (122), which are provided in multiple numbers and are distributed on the circumferential outer side of the frame assembly and can pass through the corona regions of the positive electrode (111) and the negative electrode (112); A fan assembly (121) which is fixedly connected to the frame assembly.

4. The low-power cooling system based on an electrostatic motor drive according to claim 3, wherein, The frame assembly includes: An outer frame which includes an outer frame one (123) and an outer frame two (124). Both the outer frame one (123) and the outer frame two (124) are annular, and the conductive sheets (122) are located between the outer frame one (123) and the outer frame two (124); An inner frame which includes an inner frame one (125) and an inner frame two (126). Both the inner frame one (125) and the inner frame two (126) are annular; Wherein, the fan assembly (121) includes a number of air guiding vanes circumferentially distributed between the outer frame and the inner frame. The air guiding vanes are fixedly installed on the outer edge of the inner frame, and the outer edge of each air guiding vane is correspondingly connected to a conductive sheet (122).

5. A low-power cooling system based on an electrostatic motor drive according to claim 4, characterized in that, It further includes: Brushes (2000), which are located on the positive electrode (111), the negative electrode (112) and / or the conductive sheets (122) and can softly connect the electrodes and the conductive sheets (122).

6. The low-power cooling system driven by an electrostatic motor according to claim 4, wherein The brushes (2000) are made of silver wires and are located on the electrodes. The cantilever ends thereof radially inwardly contact the conductive sheets (122).

7. A low-power cooling system based on an electrostatic motor drive according to claim 5, characterized in that, The housing (200) includes: a heat conducting plate (201); a first cover plate (202), a flow guiding channel is formed between the heat conducting plate (201) and the first cover plate (202); an air inlet, which is arranged at one end of the first cover plate (202) away from the heat conducting plate (201); wherein, the lower support frame (114) is installed on the air inlet, and an air outlet is arranged at one end of the housing (200) away from the air inlet.

8. A low-power cooling system based on an electrostatic motor drive according to claim 7, characterized in that, The housing (200) further includes: a second cover plate (203), which is installed at the upper end of the upper support frame (113) to form a radial air guiding area between the second cover plate (203) and the first cover plate (202); a plurality of fin groups (204), which are circumferentially arranged at the upper end of the first cover plate (202) and located in the radial air guiding area, and are cross-distributed with the fins in the circumferential direction; wherein, each fin group includes a plurality of heat conducting fins stacked at intervals.

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