A fan system, refrigerating unit and energy storage refrigerator device

Abstract

The embodiment of the application provides a fan system, a refrigerating unit and an energy storage refrigerator device, which comprise a fan, a base arranged on one side of the fan, a rotor of the fan protruding from the base, a main fan blade sleeved on the rotor and arranged on the other side of the fan, used for centrally taking in air and sending air in the circumferential direction, an auxiliary fan blade plate sleeved on the rotor and arranged between the base and the main fan blade, used for adjusting the air sending of the main fan blade when rotating, an expansion structure connected with the auxiliary fan blade plate, the main fan blade and the base, used for pushing the auxiliary fan blade plate to move towards the main fan blade or move towards the base, and connecting the auxiliary fan blade plate with the rotor, so that the auxiliary fan blade plate rotates, the air sending mode of the fan system is changed through the expansion structure, different air volume distribution ratios are realized, and air volume is distributed according to requirements in different scenes such as conventional refrigeration, specific temperature zone refrigeration mode, battery mode and power saving refrigeration, so that the energy utilization rate is improved.

Description

Technical Field

[0001] This invention relates to the field of refrigeration equipment technology, and in particular to a fan system, a refrigeration unit, an energy storage refrigerator, and a fan system control method. Background Technology

[0002] Due to increasingly tight power supplies and global power shortages, prolonged power outages in some areas can lead to poor preservation of food stored in refrigerators, and even spoilage if the outage is prolonged. While energy storage batteries can solve some of these problems, their high cost limits the number of batteries needed to maintain refrigerator cooling. Furthermore, refrigerator batteries are bulky, heavy, and expensive, hindering their commercial application in energy storage refrigerators. Additionally, significant losses occur during charging and discharging, resulting in an overall utilization rate of around 80%, while conventional fan control methods have low energy efficiency. Summary of the Invention

[0003] In view of the above problems, embodiments of the present invention are proposed to provide a fan system, a refrigeration unit, an energy storage refrigerator device, and a fan system control method to overcome or at least partially solve the above problems.

[0004] To address the aforementioned problems, in a first aspect of the present invention, an embodiment of the present invention discloses a fan system, comprising:

[0005] Fan;

[0006] A base is provided on one side of the fan, and the rotor of the fan protrudes from the base;

[0007] The main fan blade, sleeved on the rotor, is located on the other side of the fan and is used for central air intake and circumferential air delivery.

[0008] An auxiliary fan blade is fitted onto the rotor; located between the base and the main fan blade, it is used to adjust the airflow of the main fan blade during rotation;

[0009] An expansion structure, connected to the auxiliary fan blade, the main fan blade, and the base, is used to push the auxiliary fan blade to move closer to the main fan blade or closer to the base, and to connect the auxiliary fan blade to the rotor so that the auxiliary fan blade rotates.

[0010] Optionally, the expansion structure includes:

[0011] The first expansion ring is disposed between the auxiliary fan blade and the base, and is used to push the auxiliary fan blade towards the direction of the main fan blade when it expands;

[0012] The second expansion ring is disposed between the auxiliary fan blade and the base, and is used to connect the auxiliary fan blade to the rotor during expansion so that the rotor drives the auxiliary fan blade to rotate.

[0013] The third expansion ring is disposed between the auxiliary fan blade and the main fan blade, and is used to push the auxiliary fan blade towards the base when it expands.

[0014] Optionally, the first expansion ring, the second expansion ring, and the third expansion ring are hollow rubber rings;

[0015] The hollow rubber ring is filled with liquid;

[0016] The hollow rubber ring is connected to a heating element, which is used to heat the liquid to cause the hollow rubber ring to expand.

[0017] Optionally, the auxiliary fan blade includes:

[0018] The auxiliary fan blade body is sleeved on the rotor;

[0019] The guide ribs are disposed on the side of the auxiliary fan blade body near the main fan blade, and are used to guide the airflow of the main fan blade.

[0020] Optionally, the base includes:

[0021] The base body is located on one side of the fan;

[0022] Positioning post; disposed on the side of the base body near the auxiliary fan blade plate;

[0023] The auxiliary fan blade also includes:

[0024] The guide hole is connected to the positioning post;

[0025] The positioning post is used for motion guidance and positioning when the auxiliary fan blade moves toward the main fan blade.

[0026] Optionally, the base further includes:

[0027] A magnetic component is disposed on the side of the base body near the auxiliary fan blade plate;

[0028] The auxiliary fan blade also includes:

[0029] The iron core is disposed on the auxiliary fan blade body;

[0030] When the magnetic component is connected to the iron core, the base is fixedly connected to the auxiliary fan blade.

[0031] Optionally, the auxiliary fan blade is made of lightweight fiberboard.

[0032] In a second aspect, embodiments of the present invention disclose a refrigeration unit including the fan system described above.

[0033] In a third aspect of the present invention, an embodiment of the present invention discloses an energy storage refrigerator device, including at least one refrigeration unit as described above; the refrigeration unit is used to control the cooling air volume of a target area.

[0034] In a fourth aspect of the present invention, an embodiment of the present invention discloses a fan system control method applied to a fan system, the fan system comprising: a fan; a base disposed on one side of the fan, the rotor of the fan protruding from the base; a main fan blade sleeved on the rotor and located on the other side of the fan, for central air intake and circumferential air delivery; an auxiliary fan blade sleeved on the rotor; located between the base and the main fan blade, for adjusting the air delivery of the main fan blade during rotation; an expansion structure connected to the auxiliary fan blade, the main fan blade, and the base, for pushing the auxiliary fan blade to move closer to the main fan blade or closer to the base, and connecting the auxiliary fan blade to the rotor to cause the auxiliary fan blade to rotate; the method comprising:

[0035] In response to the air volume distribution ratio adjustment command, determine the expansion position information;

[0036] The expansion structure is controlled to expand to a position matching the expansion position information, so as to drive the auxiliary fan blade to rotate and push the auxiliary fan blade closer to the main fan blade.

[0037] Optionally, the method further includes:

[0038] In response to a reset command, the expansion structure is controlled to expand to a preset reset position to push the auxiliary fan blades toward the base.

[0039] The embodiments of the present invention have the following advantages:

[0040] This invention utilizes a fan; a base disposed on one side of the fan, with the fan rotor protruding from the base; a main fan blade fitted onto the rotor and located on the other side of the fan, used for central air intake and circumferential air delivery; an auxiliary fan blade fitted onto the rotor, located between the base and the main fan blade, used to adjust the air delivery of the main fan blade during rotation; and an expansion structure connected to the auxiliary fan blade, the main fan blade, and the base, used to push the auxiliary fan blade towards the main fan blade or towards the base, and to connect the auxiliary fan blade to the rotor to allow the auxiliary fan blade to rotate. By using the expansion structure, the air delivery method of the fan system can be modified to achieve different airflow distribution ratios, enabling the allocation of airflow according to demand in different scenarios such as conventional cooling, specific temperature zone cooling mode, and energy-saving cooling in battery mode, thereby improving energy utilization. Attached Figure Description

[0041] Figure 1 This is an exploded view of the structure of a wind turbine system embodiment of the present invention;

[0042] Figure 2 This is a structural cross-sectional schematic diagram of an embodiment of a fan system according to the present invention;

[0043] Figure 3 This is an isometric view of an embodiment of the fan system of the present invention;

[0044] Figure 4 This is a schematic diagram of the airflow path when the auxiliary fan blades are not engaged, according to an embodiment of the fan system of the present invention;

[0045] Figure 5 This is a schematic diagram of the process of engaging the auxiliary fan blades in an embodiment of the fan system of the present invention. Figure 1 ;

[0046] Figure 6 This is a schematic diagram of the process of engaging the auxiliary fan blades in an embodiment of the fan system of the present invention. Figure 2 ;

[0047] Figure 7 This is a schematic diagram of the process of engaging the auxiliary fan blades in an embodiment of the fan system of the present invention. Figure 3 ;

[0048] Figure 8 This is a schematic diagram of the auxiliary fan blade reset process in an embodiment of the fan system of the present invention;

[0049] Figure 9 This is a schematic diagram of an auxiliary fan blade plate according to an embodiment of the fan system of the present invention;

[0050] Figure 10This is a front view and a bottom airflow distribution diagram of an embodiment of the fan system of the present invention;

[0051] Figure 11 This is a schematic diagram of the back of the air duct in an embodiment of the fan system of the present invention. Figure 1 ;

[0052] Figure 12 This is a schematic diagram of the back of the air duct in an embodiment of the fan system of the present invention. Figure 2 ;

[0053] Figure 13 A schematic diagram of an embodiment of the refrigeration unit of the present invention;

[0054] Figure 14 A schematic diagram of an embodiment of an energy storage refrigerator device according to the present invention;

[0055] Figure 15 This is a flowchart illustrating the steps of an embodiment of a wind turbine system control method according to the present invention.

[0056] Explanation of reference numerals in the attached figures:

[0057] 100 - Fan, 110 - Rotor;

[0058] 200-Base, 210-Base body, 220-Positioning post, 230-Magnetic component;

[0059] 300-Main blade;

[0060] 400-Auxiliary fan blade, 410-Auxiliary fan blade body, 420-Guide rib, 430-Guide hole, 440-Iron core;

[0061] 500 - Expansion structure, 510 - First expansion ring, 520 - Second expansion ring, 530 - Third expansion ring;

[0062] 10 - Fan system, 20 - Refrigeration unit. Detailed Implementation

[0063] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0064] One of the core concepts of this invention is the design of an auxiliary fan blade 400 on the fan 100 system. In different scenario modes, the auxiliary fan blade 400 is propelled out by the heating and expansion characteristics of the expansion structure 500, allowing it to be securely fastened to the motor rotor 110. This drives the main fan blade 300 and the auxiliary fan blade 400 to rotate, thereby changing the airflow distribution ratio to achieve the desired function. Furthermore, the airflow distribution ratio can be changed by switching the position of the auxiliary fan blade 400.

[0065] Reference Figure 1 An exploded view of an embodiment of the wind turbine 100 system of the present invention is shown; refer to Figure 2 A schematic cross-sectional view of a wind turbine 100 system embodiment of the present invention is shown; refer to Figure 3 The figure shows an isometric view of an embodiment of a fan 100 system according to the present invention.

[0066] The fan 100 system may include the following components:

[0067] Fan 100;

[0068] A base 200 is disposed on one side of the fan 100, and the rotor 110 of the fan 100 protrudes from the base 200;

[0069] The main fan blade 300 is sleeved on the rotor 110 and located on the other side of the fan 100. It is used for central air intake and circumferential air delivery.

[0070] An auxiliary fan blade 400 is sleeved on the rotor 110; located between the base 200 and the main fan blade 300, it is used to adjust the air delivery of the main fan blade 300 during rotation;

[0071] An expansion structure 500 is connected to the auxiliary fan blade 400, the main fan blade 300, and the base 200. It is used to push the auxiliary fan blade 400 to move closer to the main fan blade 300 or closer to the base 200, and to connect the auxiliary fan blade 400 to the rotor 110 so that the auxiliary fan blade 400 rotates.

[0072] In this embodiment of the invention, the fan 100 system comprises a base 200, an auxiliary fan blade 400, a motor, a main fan blade 300, and an expansion structure 500. The base 200 is disposed on one side of the fan 100, and the rotor 110 of the fan 100 protrudes from the base 200, which remains fixed. The main fan blade 300 is nested on the rotor 110 of the motor and is located on the other side of the fan 100. Driven by the motor rotor 110, it rotates together, blowing air in a circumferential direction. The auxiliary fan blade 400 can also be fitted onto the rotor 110; located between the base 200 and the main fan blade 300, it is stationary in its initial position, and rotates with the motor rotor 110 when it approaches the main fan blade 300, allowing adjustment of the airflow from the main fan blade 300 during rotation.

[0073] The expansion structure 500 can be connected to the auxiliary fan blade 400, the main fan blade 300, and the base 200 respectively, and expands at different positions to push the auxiliary fan blade 400 to move closer to the main fan blade 300 so that the auxiliary fan blade 400 can adjust the air delivery of the main fan blade 300. It can also push the auxiliary fan blade 400 to move closer to the base 200 to reset the auxiliary fan blade 400. The auxiliary fan blade 400 can also be connected to the rotor 110, and the auxiliary fan blade 400 and the rotor 110 can be fastened together, and the rotor 110 drives the auxiliary fan blade 400 to rotate.

[0074] This invention embodiment includes a fan 100; a base 200 disposed on one side of the fan 100, with the rotor 110 of the fan 100 protruding from the base 200; a main fan blade 300 sleeved on the rotor 110, located on the other side of the fan 100, for central air intake and circumferential air delivery; an auxiliary fan blade 400 sleeved on the rotor 110, located between the base 200 and the main fan blade 300, for adjusting the air delivery of the main fan blade 300 during rotation; and an expansion structure 500 connected to the auxiliary fan blade 400 and the base 200. The main fan blade 300 is connected to the base 200, and is used to push the auxiliary fan blade 400 to move closer to the main fan blade 300 or closer to the base 200. The auxiliary fan blade 400 is also connected to the rotor 110 to make the auxiliary fan blade 400 rotate. The expansion structure 500 changes the air delivery mode of the fan 100 system to achieve different air volume distribution ratios. In different scenarios such as conventional cooling, specific temperature zone cooling mode, and power-saving cooling in battery mode, the air volume is distributed according to demand to improve energy utilization.

[0075] In an optional embodiment of the present invention, the fan 100 system includes:

[0076] Fan 100;

[0077] A base 200 is disposed on one side of the fan 100, and the rotor 110 of the fan 100 protrudes from the base 200;

[0078] The main fan blade 300 is sleeved on the rotor 110 and located on the other side of the fan 100. It is used for central air intake and circumferential air delivery.

[0079] An auxiliary fan blade 400 is sleeved on the rotor 110; located between the base 200 and the main fan blade 300, it is used to adjust the air delivery of the main fan blade 300 during rotation;

[0080] Expansion structure 500;

[0081] The expansion structure 500 includes:

[0082] The first expansion ring 510 is disposed between the auxiliary fan blade 400 and the base 200, and is used to push the auxiliary fan blade 400 to move closer to the main fan blade 300 when it expands.

[0083] The second expansion ring 520 is disposed between the auxiliary fan blade 400 and the base 200. When expanding, it connects the auxiliary fan blade 400 to the rotor 110 so that the rotor 110 drives the auxiliary fan blade 400 to rotate.

[0084] The third expansion ring 530 is disposed between the auxiliary fan blade 400 and the main fan blade 300, and is used to push the auxiliary fan blade 400 towards the base 200 when it expands.

[0085] In this embodiment of the invention, the fan 100 system may consist of a fan 100, a base 200, a main fan blade 300, an auxiliary fan blade plate 400, and an expansion structure 500. The base 200 is disposed on one side of the fan 100, and the rotor 110 of the fan 100 protrudes from the base 200. The main fan blade 300 is sleeved on the rotor 110 and located on the other side of the fan 100. Driven by the rotor 110, it draws in air at the center and delivers air in a circumferential direction. The auxiliary fan blade plate 400 is sleeved on the rotor 110. The base 200 and the main fan blade 300 are positioned to adjust the air delivery of the main fan blade 300 during rotation.

[0086] The expansion structure 500 may include a first expansion ring 510, a second expansion ring 520, and a third expansion ring 530, consisting of three expansion rings. The first expansion ring 510 is disposed between the auxiliary fan blade 400 and the base 200, and is used to push the auxiliary fan blade 400 towards the main fan blade 300 during expansion. The second expansion ring 520 is disposed between the auxiliary fan blade 400 and the base 200, and when the second expansion ring 520 expands, it can connect the auxiliary fan blade 400 to the rotor 110, so that the second expansion ring 520 and the rotor 110 are fixedly connected, and the rotor 110 of the motor drives the auxiliary fan blade 400 to rotate. The third expansion ring 530 is disposed between the auxiliary fan blade 400 and the main fan blade 300, and when the third expansion ring 530 expands, it pushes the auxiliary fan blade 400 towards the base 200 to reset the position of the auxiliary fan blade 400.

[0087] like Figure 2 As shown, a first expansion ring 510 and a third expansion ring 530 are provided on the base 200 and the bottom surface of the fan blade. The first expansion ring 510 and the third expansion ring 530 can be fixed to the base 200 and the bottom surface of the fan blade by means of adhesive or other fixing methods. A second expansion ring 520 is clamped on the motor rotor 110.

[0088] Specifically, the first expansion ring 510, the second expansion ring 520 and the third expansion ring 530 are hollow rubber rings;

[0089] The hollow rubber ring is filled with liquid;

[0090] The hollow rubber ring is connected to a heating element, which is used to heat the liquid to cause the hollow rubber ring to expand.

[0091] The first expansion ring 510, the second expansion ring 520, and the third expansion ring 530 are all hollow rubber rings made of rubber, with a small amount of liquid inside. These hollow rubber rings are connected to a heating element, which can be a heating wire. Heating via wiring converts the internal liquid into a gaseous state, causing the hollow rubber rings to expand; that is, the expansion of the first expansion ring 510, the second expansion ring 520, and the third expansion ring 530 is controlled by heating the internal gas.

[0092] Based on the above structure, it can be referred to Figure 4 Under normal circumstances, the auxiliary fan blade 400 is located on the base 200 and does not participate in rotation. In this case, the main fan blade 300 is the same as the fan blade of a conventional refrigerator, with air intake in the center and air exhaust at the periphery. When powered by the energy storage battery, the auxiliary fan blade 400 is not in operation, the fan 100 has a minimum load, and the air volume is distributed according to the designed air outlet, with the upper, middle, and lower air volume ratio from high to low, for example, 55% at the top, 30% in the middle, and 15% at the bottom.

[0093] When a localized area requires a lower temperature in the intermediate drawer (i.e., a lower temperature is needed), directly increasing the fan speed as mentioned before will result in excessive overall cooling output, which is not energy-efficient. In this case, first stop the fan at 100°C. Figure 5 As shown, after the heating element of the first expansion ring 510 expands, it pushes up the auxiliary fan blade 400, moving it closer to the main fan blade 300. Then, the second expansion ring 520 on the motor rotor 110 begins to expand, interference-fitting the auxiliary fan blade 400 onto the motor rotor 110, allowing the auxiliary fan blade 400 to rotate with the motor rotor 110. Then, the heating element of the first expansion ring 510 stops and retracts to its original state (no longer rubbing against the auxiliary fan blade 400). Figure 6 As shown in position 1, the expansion range of the second expansion ring 520 can cause the auxiliary fan blade 400 to reach position 1 or 2. At this time, the auxiliary fan blade 400 guides the airflow at the bottom of the main outlet. Figure 7 As shown, when the auxiliary fan blade 400 reaches position 2, the gap L between the auxiliary fan blade 400 and the main fan blade 300 is smaller, the main air outlet area L1 becomes smaller, the air outlet deviation area of ​​the auxiliary fan blade 400 is larger, and more air volume is discharged. When the demand in the local temperature variation zone is cancelled, the fan 100 is also stopped first, as follows. Figure 8 As shown, the second expansion ring 520 returns to its original state, the auxiliary fan blade 400 can be disengaged from the motor rotor 110, and then the third expansion ring 530 on the main fan blade 300 expands, pushing the auxiliary fan blade 400 to move towards the base 200, and then being pulled back by the magnet, no longer participating in the operation.

[0094] In an optional embodiment of the present invention, the fan 100 system includes:

[0095] Fan 100;

[0096] A base 200 is disposed on one side of the fan 100, and the rotor 110 of the fan 100 protrudes from the base 200;

[0097] The main fan blade 300 is sleeved on the rotor 110 and located on the other side of the fan 100. It is used for central air intake and circumferential air delivery.

[0098] An auxiliary fan blade 400 is sleeved on the rotor 110; located between the base 200 and the main fan blade 300, it is used to adjust the air delivery of the main fan blade 300 during rotation;

[0099] Expansion structure 500;

[0100] The expansion structure 500 includes:

[0101] The first expansion ring 510 is disposed between the auxiliary fan blade 400 and the base 200, and is used to push the auxiliary fan blade 400 to move closer to the main fan blade 300 when it expands.

[0102] The second expansion ring 520 is disposed between the auxiliary fan blade 400 and the base 200. When expanding, it connects the auxiliary fan blade 400 to the rotor 110 so that the rotor 110 drives the auxiliary fan blade 400 to rotate.

[0103] The third expansion ring 530 is disposed between the auxiliary fan blade 400 and the main fan blade 300, and is used to push the auxiliary fan blade 400 to move closer to the base 200 when it expands;

[0104] The base 200 includes:

[0105] The base body 210 is disposed on one side of the fan 100;

[0106] Positioning post 220; disposed on the side of the base body 210 near the auxiliary fan blade 400;

[0107] The auxiliary fan blade 400 includes:

[0108] The auxiliary fan blade body 410 is sleeved on the rotor 110;

[0109] The guide rib 420 is disposed on the side of the auxiliary fan blade body 410 near the main fan blade 300, and is used to guide the airflow of the main fan blade 300.

[0110] Guide hole 430, connected to the positioning post 220;

[0111] The positioning post 220 is used for motion guidance and positioning when the auxiliary fan blade 400 moves toward the main fan blade 300.

[0112] In this embodiment of the invention, the fan 100 system may consist of a fan 100, a base 200, a main fan blade 300, an auxiliary fan blade plate 400, and an expansion structure 500. The base 200 is disposed on one side of the fan 100, and the rotor 110 of the fan 100 protrudes from the base 200. The main fan blade 300 is sleeved on the rotor 110 and located on the other side of the fan 100. Driven by the rotor 110, it draws in air at the center and delivers air in a circumferential direction. The auxiliary fan blade plate 400 is sleeved on the rotor 110. The base 200 and the main fan blade 300 are positioned to adjust the air delivery of the main fan blade 300 during rotation.

[0113] The expansion structure 500 may include a first expansion ring 510, a second expansion ring 520, and a third expansion ring 530, consisting of three expansion rings. The first expansion ring 510 is disposed between the auxiliary fan blade 400 and the base 200, and is used to push the auxiliary fan blade 400 towards the main fan blade 300 during expansion. The second expansion ring 520 is disposed between the auxiliary fan blade 400 and the base 200, and when the second expansion ring 520 expands, it can connect the auxiliary fan blade 400 to the rotor 110, so that the second expansion ring 520 and the rotor 110 are fixedly connected, and the rotor 110 of the motor drives the auxiliary fan blade 400 to rotate. The third expansion ring 530 is disposed between the auxiliary fan blade 400 and the main fan blade 300, and when the third expansion ring 530 expands, it pushes the auxiliary fan blade 400 towards the base 200 to reset the position of the auxiliary fan blade 400.

[0114] The base 200 includes a base body 210 and a positioning column 220. The base body 210 serves as the supporting foundation and is located on one side of the fan 100. The positioning column 220 is located on the side of the base body 210 near the auxiliary fan blade 400 and can contact the auxiliary fan blade 400.

[0115] like Figure 9As shown, the auxiliary fan blade 400 includes: an auxiliary fan blade body 410, guide ribs 420, and positioning posts 220. The auxiliary fan blade body 410 is mounted on the rotor 110 as a load-bearing base; the guide ribs 420 are disposed on the side of the auxiliary fan blade body 410 near the main fan blade 300, which can guide the airflow of the main fan blade 300; the guide hole 430 is connected to the positioning post 220, which provides motion guidance and positioning when the auxiliary fan blade 400 moves towards the main fan blade 300. The guide ribs 420 can be formed by the blades on the auxiliary fan blade 400 to guide the airflow at the bottom of the main outlet.

[0116] As for the positioning post 220 and the guide hole 430, they can be guided during the expansion of the first expansion ring 510 and the third expansion ring 530, respectively. For example, when the first expansion ring 510 expands and lifts the auxiliary fan blade 400, the auxiliary fan blade 400, connected to the positioning post 220 via the guide hole 430, can move closer to the main fan blade 300 along the guide of the positioning post 220 on the base body 210. When the third expansion ring 530 on the main fan blade 300 expands, it will return the auxiliary fan blade 400 to the base body 210 along the positioning post 220 and the guide hole 430 on the auxiliary fan blade 400.

[0117] In an optional embodiment of the present invention, the fan 100 system includes:

[0118] Fan 100;

[0119] A base 200 is disposed on one side of the fan 100, and the rotor 110 of the fan 100 protrudes from the base 200;

[0120] The main fan blade 300 is sleeved on the rotor 110 and located on the other side of the fan 100. It is used for central air intake and circumferential air delivery.

[0121] An auxiliary fan blade 400 is sleeved on the rotor 110; located between the base 200 and the main fan blade 300, it is used to adjust the air delivery of the main fan blade 300 during rotation;

[0122] Expansion structure 500;

[0123] The expansion structure 500 includes:

[0124] The first expansion ring 510 is disposed between the auxiliary fan blade 400 and the base 200, and is used to push the auxiliary fan blade 400 to move closer to the main fan blade 300 when it expands.

[0125] The second expansion ring 520 is disposed between the auxiliary fan blade 400 and the base 200. When expanding, it connects the auxiliary fan blade 400 to the rotor 110 so that the rotor 110 drives the auxiliary fan blade 400 to rotate.

[0126] The third expansion ring 530 is disposed between the auxiliary fan blade 400 and the main fan blade 300, and is used to push the auxiliary fan blade 400 to move closer to the base 200 when it expands;

[0127] The base 200 includes:

[0128] The base body 210 is disposed on one side of the fan 100;

[0129] Positioning post 220; disposed on the side of the base body 210 near the auxiliary fan blade 400;

[0130] Magnetic component 230 is disposed on the side of the base body 210 near the auxiliary fan blade 400;

[0131] The auxiliary fan blade 400 includes:

[0132] The auxiliary fan blade body 410 is sleeved on the rotor 110;

[0133] The guide rib 420 is disposed on the side of the auxiliary fan blade body 410 near the main fan blade 300, and is used to guide the airflow of the main fan blade 300.

[0134] Guide hole 430, connected to the positioning post 220;

[0135] The positioning post 220 is used for motion guidance and positioning when the auxiliary fan blade 400 moves toward the main fan blade 300;

[0136] The iron core 440 is disposed on the auxiliary fan blade body 410;

[0137] When the magnetic component 230 is connected to the iron core 440, the base 200 is fixedly connected to the auxiliary fan blade 400.

[0138] In this embodiment of the invention, the fan 100 system may consist of a fan 100, a base 200, a main fan blade 300, an auxiliary fan blade plate 400, and an expansion structure 500. The base 200 is disposed on one side of the fan 100, and the rotor 110 of the fan 100 protrudes from the base 200. The main fan blade 300 is sleeved on the rotor 110 and located on the other side of the fan 100. Driven by the rotor 110, it draws in air at the center and delivers air in a circumferential direction. The auxiliary fan blade plate 400 is sleeved on the rotor 110. The base 200 and the main fan blade 300 are positioned to adjust the air delivery of the main fan blade 300 during rotation.

[0139] The expansion structure 500 may include a first expansion ring 510, a second expansion ring 520, and a third expansion ring 530, consisting of three expansion rings. The first expansion ring 510 is disposed between the auxiliary fan blade 400 and the base 200, and is used to push the auxiliary fan blade 400 towards the main fan blade 300 during expansion. The second expansion ring 520 is disposed between the auxiliary fan blade 400 and the base 200, and when the second expansion ring 520 expands, it can connect the auxiliary fan blade 400 to the rotor 110, so that the second expansion ring 520 and the rotor 110 are fixedly connected, and the rotor 110 of the motor drives the auxiliary fan blade 400 to rotate. The third expansion ring 530 is disposed between the auxiliary fan blade 400 and the main fan blade 300, and when the third expansion ring 530 expands, it pushes the auxiliary fan blade 400 towards the base 200 to reset the position of the auxiliary fan blade 400.

[0140] The auxiliary fan blade 400 includes: an auxiliary fan blade body 410, guide ribs 420, and positioning posts 220. The auxiliary fan blade body 410 is mounted on the rotor 110 as a load-bearing base; the guide ribs 420 are located on the side of the auxiliary fan blade body 410 near the main fan blade 300, guiding the airflow from the main fan blade 300; the guide holes 430 are connected to the positioning posts 220, providing motion guidance and positioning when the auxiliary fan blade 400 moves towards the main fan blade 300. The guide ribs 420 can be formed by the blades on the auxiliary fan blade 400, guiding the airflow at the bottom of the main outlet.

[0141] The base 200 includes a base body 210 and a positioning column 220. The base body 210 serves as the supporting foundation and is located on one side of the fan 100. The positioning column 220 is located on the side of the base body 210 near the auxiliary fan blade 400 and can contact the auxiliary fan blade 400.

[0142] In addition, a magnetic component 230 can be provided on the base 200, which is located on the side of the base body 210 near the auxiliary fan blade 400. An iron core 440 is provided on the auxiliary fan blade body 410, matching the position of the magnetic component 230. When the magnetic component 230 is connected to the iron core 440, the base 200 and the auxiliary fan blade 400 are fixedly connected, allowing the auxiliary fan blade 400 to remain stationary. Under normal circumstances, the auxiliary fan blade 400 is magnetically attracted to the base 200 and does not participate in rotation. Furthermore, when the auxiliary fan blade 400 approaches the base 200 along the positioning post 220, it can be pulled back by the magnetic component 230 during the process of coming into contact with the base 200, thus fixing the auxiliary fan blade 400, and the auxiliary fan blade 400 does not participate in operation.

[0143] like Figure 10 The display shows the front of the fan 100 system and the bottom air outlet of the main fan blade 300. Guided by the airflow guide ribs 420 on the auxiliary fan blade 400, the airflow can be directed towards the middle or bottom air outlet of the duct. Specifically, in the duct... Figure 11 The image shows normal airflow (with auxiliary fan blade 400 not engaged), representing the original airflow distribution ratio. When there is a temperature change requirement in the intermediate drawer, the auxiliary fan blade 400 is pushed out and rotated together as described above. In position 1, a small portion of the airflow from the upper part is diverted to supplement the intermediate air outlet, changing the original 55% / 30% / 15% airflow distribution ratio to 45% / 40% / 15%, thus meeting the requirements of the intermediate air outlet. Figure 12 This is a diagram of the airflow duct. When in position 2, not only is the airflow in the middle supplemented, but the airflow at the bottom is also supplemented. For example, the airflow distribution ratio will become 45% / 35% / 20%, etc. By adjusting the expansion range of expansion ring 1, positions 1, 2, 3...N can be obtained, thereby realizing the adjustment of the airflow distribution ratio. In conjunction with the airflow duct, the air is output to each air outlet, thus realizing various temperature combinations of the three drawers in the compartment. In addition, the auxiliary fan blade 400 can be made of lightweight fiberboard. When it is put into operation, the overall load is not large. The power of a single fan increases only from the original 1.5W to about 1.6W. The overall increase in power consumption is not large, and cooling can be carried out with high energy efficiency.

[0144] Reference Figure 13 The diagram shows a schematic representation of an embodiment of a refrigeration unit according to the present invention; the refrigeration unit may include the fan system described above.

[0145] In embodiments of the present invention, the refrigeration unit may include at least one fan system. For example... Figure 13 As shown, it can include three fan systems, each supplying air to different areas.

[0146] Specifically, the wind turbine system includes:

[0147] Fan;

[0148] A base is provided on one side of the fan, and the rotor of the fan protrudes from the base;

[0149] The main fan blade, sleeved on the rotor, is located on the other side of the fan and is used for central air intake and circumferential air delivery.

[0150] An auxiliary fan blade is fitted onto the rotor; located between the base and the main fan blade, it is used to adjust the airflow of the main fan blade during rotation;

[0151] An expansion structure, connected to the auxiliary fan blade, the main fan blade, and the base, is used to push the auxiliary fan blade to move closer to the main fan blade or closer to the base, and to connect the auxiliary fan blade to the rotor so that the auxiliary fan blade rotates.

[0152] Optionally, the expansion structure includes:

[0153] The first expansion ring is disposed between the auxiliary fan blade and the base, and is used to push the auxiliary fan blade towards the direction of the main fan blade when it expands;

[0154] The second expansion ring is disposed between the auxiliary fan blade and the base, and is used to connect the auxiliary fan blade to the rotor during expansion so that the rotor drives the auxiliary fan blade to rotate.

[0155] The third expansion ring is disposed between the auxiliary fan blade and the main fan blade, and is used to push the auxiliary fan blade towards the base when it expands.

[0156] Optionally, the first expansion ring, the second expansion ring, and the third expansion ring are hollow rubber rings;

[0157] The hollow rubber ring is filled with liquid;

[0158] The hollow rubber ring is connected to a heating element, which is used to heat the liquid to cause the hollow rubber ring to expand.

[0159] Optionally, the auxiliary fan blade includes:

[0160] The auxiliary fan blade body is sleeved on the rotor;

[0161] The guide ribs are disposed on the side of the auxiliary fan blade body near the main fan blade, and are used to guide the airflow of the main fan blade.

[0162] Optionally, the base includes:

[0163] The base body is located on one side of the fan;

[0164] Positioning post; disposed on the side of the base body near the auxiliary fan blade plate;

[0165] The auxiliary fan blade also includes:

[0166] The guide hole is connected to the positioning post;

[0167] The positioning post is used for motion guidance and positioning when the auxiliary fan blade moves toward the main fan blade.

[0168] Optionally, the base further includes:

[0169] A magnetic component is disposed on the side of the base body near the auxiliary fan blade plate;

[0170] The auxiliary fan blade also includes:

[0171] The iron core is disposed on the auxiliary fan blade body;

[0172] When the magnetic component is connected to the iron core, the base is fixedly connected to the auxiliary fan blade.

[0173] Optionally, the auxiliary fan blade is made of lightweight fiberboard.

[0174] This invention utilizes a fan; a base disposed on one side of the fan, with the fan rotor protruding from the base; a main fan blade fitted onto the rotor and located on the other side of the fan, used for central air intake and circumferential air delivery; an auxiliary fan blade fitted onto the rotor, located between the base and the main fan blade, used to adjust the air delivery of the main fan blade during rotation; and an expansion structure connected to the auxiliary fan blade, the main fan blade, and the base, used to push the auxiliary fan blade towards the main fan blade or towards the base, and to connect the auxiliary fan blade to the rotor to allow the auxiliary fan blade to rotate. By using the expansion structure, the air delivery method of the fan system can be modified to achieve different airflow distribution ratios, enabling the allocation of airflow according to demand in different scenarios such as conventional cooling, specific temperature zone cooling mode, and energy-saving cooling in battery mode, thereby improving energy utilization.

[0175] Reference Figure 14 The diagram shows an embodiment of an energy storage refrigerator device according to the present invention; the energy storage refrigerator device includes at least one refrigeration unit as described above; the refrigeration unit is used to control the cooling air volume of a target area.

[0176] In this embodiment of the invention, the batteries can be laid flat on the back of the energy storage refrigerator, making the body thinner. The capacity of a single battery and the total number of batteries are selected according to the power consumption required by the refrigerator after a power outage, forming an integrated energy storage refrigerator. The battery management board and the refrigerator's main control board are placed on the top. During normal operation, the refrigerator charges the energy storage batteries through mains power. After fully charged, the battery charging and discharging time can be customized as needed or set according to time.

[0177] The energy storage refrigerator has at least one refrigeration unit, which controls the airflow in a target area within the refrigerator. The target area can be any section of the refrigerator that requires freezing or refrigeration, such as a freezer compartment or a refrigerator compartment.

[0178] Specifically, the refrigeration unit may include the fan system described above.

[0179] The fan system includes:

[0180] Fan;

[0181] A base is provided on one side of the fan, and the rotor of the fan protrudes from the base;

[0182] The main fan blade, sleeved on the rotor, is located on the other side of the fan and is used for central air intake and circumferential air delivery.

[0183] An auxiliary fan blade is fitted onto the rotor; located between the base and the main fan blade, it is used to adjust the airflow of the main fan blade during rotation;

[0184] An expansion structure, connected to the auxiliary fan blade, the main fan blade, and the base, is used to push the auxiliary fan blade to move closer to the main fan blade or closer to the base, and to connect the auxiliary fan blade to the rotor so that the auxiliary fan blade rotates.

[0185] Optionally, the expansion structure includes:

[0186] The first expansion ring is disposed between the auxiliary fan blade and the base, and is used to push the auxiliary fan blade towards the direction of the main fan blade when it expands;

[0187] The second expansion ring is disposed between the auxiliary fan blade and the base, and is used to connect the auxiliary fan blade to the rotor during expansion so that the rotor drives the auxiliary fan blade to rotate.

[0188] The third expansion ring is disposed between the auxiliary fan blade and the main fan blade, and is used to push the auxiliary fan blade towards the base when it expands.

[0189] Optionally, the first expansion ring, the second expansion ring, and the third expansion ring are hollow rubber rings;

[0190] The hollow rubber ring is filled with liquid;

[0191] The hollow rubber ring is connected to a heating element, which is used to heat the liquid to cause the hollow rubber ring to expand.

[0192] Optionally, the auxiliary fan blade includes:

[0193] The auxiliary fan blade body is sleeved on the rotor;

[0194] The guide ribs are disposed on the side of the auxiliary fan blade body near the main fan blade, and are used to guide the airflow of the main fan blade.

[0195] Optionally, the base includes:

[0196] The base body is located on one side of the fan;

[0197] Positioning post; disposed on the side of the base body near the auxiliary fan blade plate;

[0198] The auxiliary fan blade also includes:

[0199] The guide hole is connected to the positioning post;

[0200] The positioning post is used for motion guidance and positioning when the auxiliary fan blade moves toward the main fan blade.

[0201] Optionally, the base further includes:

[0202] A magnetic component is disposed on the side of the base body near the auxiliary fan blade plate;

[0203] The auxiliary fan blade also includes:

[0204] The iron core is disposed on the auxiliary fan blade body;

[0205] When the magnetic component is connected to the iron core, the base is fixedly connected to the auxiliary fan blade.

[0206] Optionally, the auxiliary fan blade is made of lightweight fiberboard.

[0207] This invention utilizes a fan; a base disposed on one side of the fan, with the fan rotor protruding from the base; a main fan blade fitted onto the rotor and located on the other side of the fan, used for central air intake and circumferential air delivery; an auxiliary fan blade fitted onto the rotor, located between the base and the main fan blade, used to adjust the air delivery of the main fan blade during rotation; and an expansion structure connected to the auxiliary fan blade, the main fan blade, and the base, used to push the auxiliary fan blade towards the main fan blade or towards the base, and to connect the auxiliary fan blade to the rotor to allow the auxiliary fan blade to rotate. By using the expansion structure, the air delivery method of the fan system can be modified to achieve different airflow distribution ratios, enabling the allocation of airflow according to demand in different scenarios such as conventional cooling, specific temperature zone cooling mode, and energy-saving cooling in battery mode, thereby improving energy utilization.

[0208] Reference Figure 15 This diagram illustrates a flowchart of an embodiment of a fan system control method according to the present invention. The method is applied to a fan system, which includes: a fan; a base disposed on one side of the fan, with the fan rotor protruding from the base; a main fan blade sleeved on the rotor and located on the other side of the fan, used for central air intake and circumferential air delivery; an auxiliary fan blade sleeved on the rotor, located between the base and the main fan blade, used to adjust the air delivery of the main fan blade during rotation; and an expansion structure connected to the auxiliary fan blade, the main fan blade, and the base, used to push the auxiliary fan blade towards the main fan blade or towards the base, and to connect the auxiliary fan blade to the rotor to cause the auxiliary fan blade to rotate. For a detailed description of the fan system, please refer to the above embodiment; the embodiments of the present invention will not be repeated here.

[0209] The wind turbine system control method may specifically include the following steps:

[0210] Step 1501: In response to the air volume distribution ratio adjustment command, determine the expansion position information;

[0211] Step 1502: Control the expansion structure to expand to a position matching the expansion position information, so as to drive the auxiliary fan blade to rotate and push the auxiliary fan blade closer to the main fan blade.

[0212] In this embodiment of the invention, when it is necessary to adjust the airflow of the fan system, an airflow distribution ratio adjustment command can be issued to the fan system. The size of the outlet deviation zone adjusted in this airflow distribution ratio adjustment command can, in response to the airflow distribution ratio adjustment command, determine the expansion position of each expansion ring in the expansion structure based on the size of the outlet deviation zone in the airflow distribution ratio adjustment command, generating expansion position information. The expansion position can be zero, meaning the corresponding expansion ring does not expand.

[0213] After determining the expansion position information of the expansion rings, each expansion ring in the expansion structure can be controlled to expand to the position matching the expansion position information, so as to push the auxiliary fan blade to the corresponding position and drive the auxiliary fan blade to move.

[0214] In an optional embodiment of the present invention, the method further includes:

[0215] Step S1: In response to the reset command, control the expansion structure to expand to a preset reset position to push the auxiliary fan blade to move closer to the base.

[0216] When the airflow of the main fan blades does not need to be adjusted via the auxiliary fan blades, they can be reset. A reset command can be sent to the fan system. In response to the reset command, the expansion ring in the expansion structure can be controlled to expand to a preset reset position, thereby pushing the auxiliary fan blades towards the base and resetting them.

[0217] The preset reset position can refer to the corresponding position reached by the expansion ring in the expansion structure when the auxiliary fan blade is in the initial position.

[0218] In an optional embodiment of the present invention, the expansion structure includes:

[0219] The first expansion ring is disposed between the auxiliary fan blade and the base, and is used to push the auxiliary fan blade towards the direction of the main fan blade when it expands;

[0220] The second expansion ring is disposed between the auxiliary fan blade and the base, and is used to connect the auxiliary fan blade to the rotor during expansion so that the rotor drives the auxiliary fan blade to rotate.

[0221] The third expansion ring is disposed between the auxiliary fan blade and the main fan blade, and is used to push the auxiliary fan blade towards the base when it expands.

[0222] In an optional embodiment of the present invention, the first expansion ring, the second expansion ring and the third expansion ring are hollow rubber rings;

[0223] The hollow rubber ring is filled with liquid;

[0224] The hollow rubber ring is connected to a heating element, which is used to heat the liquid to cause the hollow rubber ring to expand.

[0225] In an optional embodiment of the present invention, the auxiliary fan blade includes:

[0226] The auxiliary fan blade body is sleeved on the rotor;

[0227] The guide ribs are disposed on the side of the auxiliary fan blade body near the main fan blade, and are used to guide the airflow of the main fan blade.

[0228] In an optional embodiment of the present invention, the base includes:

[0229] The base body is located on one side of the fan;

[0230] Positioning post; disposed on the side of the base body near the auxiliary fan blade plate;

[0231] The auxiliary fan blade also includes:

[0232] The guide hole is connected to the positioning post;

[0233] The positioning post is used for motion guidance and positioning when the auxiliary fan blade moves toward the main fan blade.

[0234] In an optional embodiment of the present invention, the base further includes:

[0235] A magnetic component is disposed on the side of the base body near the auxiliary fan blade plate;

[0236] The auxiliary fan blade also includes:

[0237] The iron core is disposed on the auxiliary fan blade body;

[0238] When the magnetic component is connected to the iron core, the base is fixedly connected to the auxiliary fan blade.

[0239] In an optional embodiment of the invention, the auxiliary fan blade is made of lightweight fiberboard.

[0240] This invention modifies the air delivery method of the fan system by controlling the expansion degree of the expansion structure, thereby achieving different air volume distribution ratios. In different scenarios such as conventional cooling, specific temperature zone cooling mode, and power-saving cooling in battery mode, the air volume can be distributed according to demand, thus improving energy utilization.

[0241] It should be noted that, for the sake of simplicity, the method embodiments are all described as a series of actions. However, those skilled in the art should understand that the embodiments of the present invention are not limited to the described order of actions, because according to the embodiments of the present invention, some steps can be performed in other orders or simultaneously. Furthermore, those skilled in the art should also understand that the embodiments described in the specification are preferred embodiments, and the actions involved are not necessarily essential to the embodiments of the present invention.

[0242] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to each other.

[0243] Those skilled in the art will understand that embodiments of the present invention can be provided as methods, apparatus, or computer program products. Therefore, embodiments of the present invention can take the form of entirely hardware embodiments, entirely software embodiments, or embodiments combining software and hardware aspects. Furthermore, embodiments of the present invention can take the form of computer program products implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code.

[0244] This invention is described with reference to flowchart illustrations and / or block diagrams of methods, terminal devices (systems), and computer program products according to embodiments of the invention. It will be understood that each block of the flowchart illustrations and / or block diagrams, and combinations of blocks in the flowchart illustrations and / or block diagrams, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, special-purpose computer, embedded processor, or other programmable data processing terminal device to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing terminal device, generate instructions for implementing the flowchart illustrations and / or block diagrams. Figure 1 One or more processes and / or boxes Figure 1 A device that provides the functions specified in one or more boxes.

[0245] These computer program instructions may also be stored in a computer-readable storage medium that can direct a computer or other programmable data processing terminal device to operate in a particular manner, such that the instructions stored in the computer-readable storage medium produce an article of manufacture including instruction means, which are implemented in a process Figure 1 One or more processes and / or boxes Figure 1 The function specified in one or more boxes.

[0246] These computer program instructions can also be loaded onto a computer or other programmable data processing terminal equipment, causing a series of operational steps to be performed on the computer or other programmable terminal equipment to produce a computer-implemented process, thereby providing instructions that execute on the computer or other programmable terminal equipment for implementing the process. Figure 1 One or more processes and / or boxes Figure 1 The steps of the function specified in one or more boxes.

[0247] Although preferred embodiments of the present invention have been described, those skilled in the art, upon learning the basic inventive concept, can make other changes and modifications to these embodiments. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments as well as all changes and modifications falling within the scope of the embodiments of the present invention.

[0248] Finally, it should be noted that in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or terminal device that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or terminal device. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or terminal device that includes said element.

[0249] The present invention has provided a detailed description of a fan system, a refrigeration unit, an energy storage refrigerator, and a fan system control method. Specific examples have been used to illustrate the principles and implementation methods of the present invention. The descriptions of the above embodiments are only for the purpose of helping to understand the method and core ideas of the present invention. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the ideas of the present invention. Therefore, the content of this specification should not be construed as a limitation of the present invention.

Claims

1. A fan system, characterized in that, include: Fan; A base is provided on one side of the fan, and the rotor of the fan protrudes from the base; The main fan blade, sleeved on the rotor, is located on the other side of the fan and is used for central air intake and circumferential air delivery. An auxiliary fan blade is fitted onto the rotor; located between the base and the main fan blade, it is used to adjust the airflow of the main fan blade during rotation; An expansion structure, connected to the auxiliary fan blade, the main fan blade, and the base, is used to push the auxiliary fan blade to move closer to the main fan blade or closer to the base, and to connect the auxiliary fan blade to the rotor so that the auxiliary fan blade rotates.

2. The fan system according to claim 1, characterized in that, The expansion structure includes: The first expansion ring is disposed between the auxiliary fan blade and the base, and is used to push the auxiliary fan blade towards the direction of the main fan blade when it expands; The second expansion ring is disposed between the auxiliary fan blade and the base, and is used to connect the auxiliary fan blade to the rotor during expansion so that the rotor drives the auxiliary fan blade to rotate. The third expansion ring is disposed between the auxiliary fan blade and the main fan blade, and is used to push the auxiliary fan blade towards the base when it expands.

3. The fan system according to claim 2, characterized in that, The first expansion ring, the second expansion ring, and the third expansion ring are hollow rubber rings; The hollow rubber ring is filled with liquid; The hollow rubber ring is connected to a heating element, which is used to heat the liquid to cause the hollow rubber ring to expand.

4. The fan system according to claim 1, characterized in that, The auxiliary fan blade includes: The auxiliary fan blade body is sleeved on the rotor; The guide ribs are disposed on the side of the auxiliary fan blade body near the main fan blade, and are used to guide the airflow of the main fan blade.

5. The fan system according to claim 4, characterized in that, The base includes: The base body is located on one side of the fan; Positioning post; disposed on the side of the base body near the auxiliary fan blade plate; The auxiliary fan blade also includes: The guide hole is connected to the positioning post; The positioning post is used for motion guidance and positioning when the auxiliary fan blade moves toward the main fan blade.

6. The fan system according to claim 5, characterized in that, The base also includes: A magnetic component is disposed on the side of the base body near the auxiliary fan blade plate; The auxiliary fan blade also includes: The iron core is disposed on the auxiliary fan blade body; When the magnetic component is connected to the iron core, the base is fixedly connected to the auxiliary fan blade.

7. The fan system according to claim 1, characterized in that, The auxiliary fan blade is made of lightweight fiberboard.

8. A refrigeration unit, characterized in that, Includes the wind turbine system as described in any one of claims 1 to 7.

9. An energy storage refrigerator device, characterized in that, It includes at least one refrigeration unit as described in claim 8; the refrigeration unit is used to control the cooling air volume of the target area.

10. A method for controlling a fan system, characterized in that, An application is made in a fan system, the fan system comprising: a fan; a base disposed on one side of the fan, the rotor of the fan protruding from the base; a main fan blade sleeved on the rotor, located on the other side of the fan, for central air intake and circumferential air delivery; an auxiliary fan blade sleeved on the rotor, located between the base and the main fan blade, for adjusting the air delivery of the main fan blade during rotation; an expansion structure connected to the auxiliary fan blade, the main fan blade, and the base, for pushing the auxiliary fan blade towards the main fan blade or towards the base, and connecting the auxiliary fan blade to the rotor to cause the auxiliary fan blade to rotate; the method includes: In response to the air volume distribution ratio adjustment command, determine the expansion position information; The expansion structure is controlled to expand to a position matching the expansion position information, so as to drive the auxiliary fan blade to rotate and push the auxiliary fan blade closer to the main fan blade.

11. The method according to claim 10, characterized in that, The method further includes: In response to a reset command, the expansion structure is controlled to expand to a preset reset position to push the auxiliary fan blades toward the base.

Images