Fan assembly and energy storage cabinet

Abstract

The application provides a fan assembly, which comprises a motor and a bidirectional fan blade assembly; the output end of the motor is connected with the bidirectional fan blade assembly; the bidirectional fan blade assembly has two air blowing structures with opposite blowing directions; the bidirectional fan blade assembly can rotate under the driving of the motor and simultaneously generate bidirectional cooling air flow which is away from the output end of the motor and towards the output end of the motor. In the application, the bidirectional fan blade assembly not only generates positive cooling air flow, but also generates reverse cooling air flow; the motor can be blown at the same time when the external equipment is cooled, a negative pressure area is formed on the outer surface of the casing of the motor, so that the gas on the surface of the casing of the motor flows, and the heat generated when the motor operates is taken away, the motor itself is cooled, the temperature of the motor is reduced, the motor is prevented from being damaged due to overheating, the normal operation of the fan assembly is affected, and the cooling of the external equipment is affected.

Description

Technical Field

[0001] This invention relates to the field of heat dissipation equipment technology, and more specifically, to a fan assembly and an energy storage cabinet. Background Technology

[0002] Currently, energy container storage cabinets all use suspended cooling equipment. Cooling equipment that integrates the internal and external units is one of the most common forms. The cooling fan components used in these cooling equipment are mostly fan components consisting of a motor and a fan.

[0003] When the fan is running normally, the resistance of the internal coil of the motor exists, and Q = I. 2 The heat generated inside the motor can be calculated using the value 't', which represents the motor's energy efficiency loss. This heat is dissipated to the surrounding air through heat conduction to achieve cooling. If the motor's heat dissipation in the fan assembly is poor, excessive temperature rise in the internal copper wires can lead to damage and other malfunctions. For such critical equipment as containers, a malfunction in the fan assembly can disrupt the normal operation of the cooling equipment, preventing timely cooling and causing incalculable losses to the energy storage unit. Therefore, the proper functioning of the cooling equipment in the energy storage unit is of paramount importance. Summary of the Invention

[0004] This application is based on the inventor's discovery and understanding of the following problems and facts: existing heat dissipation components lack a cooling structure for the motor during operation, and excessive motor temperature can cause malfunctions such as copper wire damage, affecting the normal operation of the heat dissipation components and leading to their failure.

[0005] The present invention aims to at least partially solve one of the above-mentioned technical problems.

[0006] According to a first aspect of this disclosure, a fan assembly is provided, comprising: a motor, a shaft, and a bidirectional fan blade assembly;

[0007] The output end of the motor is connected to the rotating shaft, and the bidirectional fan blade assembly is connected to the rotating shaft;

[0008] The bidirectional fan assembly has two blower structures with opposite blowing directions. The bidirectional fan assembly can rotate under the drive of the motor and simultaneously generate bidirectional cooling air that is away from the output end of the motor and towards the output end of the motor.

[0009] In some embodiments, the bidirectional wind turbine assembly includes:

[0010] The mounting component is sleeved on the outer circumference of the rotating shaft and connected to the rotating shaft;

[0011] Multiple forward-facing fan blades are arranged around the periphery of the mounting component, and the multiple forward-facing fan blades constitute a forward-facing blower structure.

[0012] Multiple reverse fan blades are arranged around the periphery of the mounting component, and the multiple reverse fan blades constitute a reverse blowing structure.

[0013] The reverse fan blade is located between the forward fan blade and the motor.

[0014] In some embodiments, a plurality of the reverse fan blades are arranged in a spiral pattern around the periphery of the mounting member.

[0015] In some embodiments, the side of the reverse fan blade facing the motor has a continuous inclined surface, which gradually moves away from the motor from the rotation center of the reverse fan blade towards the tip of the reverse fan blade.

[0016] In some embodiments, the reverse fan blade and the forward fan blade are integrally formed.

[0017] In some embodiments, a decorative cover is coaxially fastened to the outside of the bidirectional fan blade assembly;

[0018] The decorative cover has a first heat dissipation hole at its center, and the blowing area of ​​the reverse fan blade covers the first heat dissipation hole.

[0019] In some embodiments, the decorative cover is further provided with a plurality of second heat dissipation holes around the first heat dissipation hole.

[0020] In some embodiments, a fixing nut and a retaining ring are provided, wherein the fixing nut is screwed to the end of the rotating shaft away from the fan, and the retaining ring is snapped onto the outer periphery of the rotating shaft;

[0021] The bidirectional fan blade assembly is fixed to the rotating shaft by the fixing nut and the retaining ring.

[0022] In some embodiments, the threads of the retaining nut are opposite to the rotation direction of the bidirectional fan blade assembly.

[0023] In some embodiments, the rotating shaft has a drive flat head, and the mounting member has a flat hole corresponding to and adapted to the drive flat head. The mounting member is connected to the rotating shaft through the drive flat head and the flat hole.

[0024] According to an embodiment of a second aspect of the present invention, an energy storage cabinet is provided, the energy storage cabinet including a cooling device, the cooling device including the aforementioned fan assembly.

[0025] According to the fan assembly of the present invention, by providing a bidirectional fan blade assembly on the rotating shaft, when the motor drives the rotating shaft to rotate, the bidirectional fan blade assembly can generate not only a forward cooling airflow but also a reverse cooling airflow. While cooling and cooling external equipment, it can also blow air onto the motor, forming a negative pressure zone on the outer surface of the motor housing. This allows air to flow on the surface of the motor housing, thereby carrying away the heat generated during motor operation, cooling the motor itself, reducing its temperature, and preventing overheating and damage to the motor, which would affect the normal operation of the fan assembly and the cooling of external equipment.

[0026] Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of a structure according to an embodiment of the present invention;

[0028] Figure 2 It is based on the present invention Figure 1 Schematic diagram of the cross section at point AA;

[0029] Figure 3 It is based on the present invention Figure 2 Enlarged structural diagram at point B;

[0030] Figure 4 It is based on the present invention Figure 1 Another structural diagram of AA;

[0031] Figure 5 It is based on the present invention Figure 4 Enlarged structural diagram at point C;

[0032] Figure 6 This is a schematic diagram of a structure without a fixing nut according to an embodiment of the present invention.

[0033] Figure Labels

[0034] 1. Motor; 2. Shaft; 3. Bidirectional fan blade assembly; 4. Mounting component; 5. Forward fan blade; 6. Reverse fan blade; 601. Sloping surface; 7. Decorative cover; 71. First heat dissipation hole; 72. Second heat dissipation hole; 8. Fixing nut; 9. Snap ring. Detailed Implementation

[0035] Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0036] Throughout the specification and claims, the following terms have at least the meaning explicitly associated herein, unless the context otherwise requires. The meanings defined below are not intended to limit the terms, but are merely illustrative examples.

[0037] In the description of this invention, the phrase "in one embodiment" does not necessarily refer to the same embodiment, although it may refer to the same embodiment. Similarly, the phrase "in some embodiments," as used herein, does not necessarily refer to the same embodiment when used multiple times, although it may refer to the same embodiment. As used herein, the term "or" is an inclusive "or" operator and is equivalent to the term "and / or," unless the context clearly specifies otherwise. The term "based on" is not exclusive and allows for reliance on additional factors not described, unless the context clearly specifies otherwise. The word "exemplary" herein means "used as an example, instance, or illustration." Any embodiment described herein as "exemplary" is not necessarily to be construed as superior to or better than other embodiments. The scope of this invention is limited only by the scope of the appended claims, and any examples set forth in this specification are not intended to be limiting, but merely illustrate some of the many possible embodiments of the claimed invention. The various embodiments provided in this invention should not be construed as limiting the scope of protection of this invention.

[0038] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0039] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0040] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0041] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0042] Energy container storage cabinets all use suspended cooling equipment. The cooling equipment that integrates the indoor and outdoor units is one of the most common forms. The cooling fan components used in the cooling equipment are mostly fan components composed of a motor and a fan.

[0043] On the one hand, existing energy storage cabinet cooling equipment uses fan components for heat dissipation. The fan components generate cooling airflow by rotating the cooling fan blades driven by the motor, which carries away the heat in the energy storage cabinet. However, the motor is also prone to overheating when it runs in a high-temperature environment for a long time. If the temperature rise of the copper wires inside the motor is too high, the copper wires will be damaged, which will affect the normal operation of the motor. This will lead to the failure of the heat dissipation components, which will affect the heat dissipation of the energy storage cabinet, affect the normal operation of the energy storage cabinet, and cause economic losses.

[0044] Based on this, such as Figures 1-6 As shown, the wind turbine assembly according to an embodiment of the present invention includes:

[0045] Motor 1 and bidirectional fan blade assembly 3;

[0046] The output end of motor 1 is connected to shaft 2, and bidirectional fan blade assembly 3 is connected to shaft 2;

[0047] The bidirectional fan assembly 3 has two blower structures with opposite blowing directions. The bidirectional fan assembly 3 can rotate under the drive of the motor 1 and simultaneously generate bidirectional cooling air that is away from the output end of the motor 1 and toward the output end of the motor 1.

[0048] Specifically, motor 1 can drive the bidirectional fan assembly 3 to rotate via shaft 2. The blower structure is a blowing component composed of multiple fan blades. The two blower structures rotate together and blow air in two opposite directions while rotating. This allows motor 1 to drive the bidirectional fan assembly 3 to rotate, thereby creating two opposing cooling airflows. One direction of cooling airflow blows towards the external equipment to be cooled, while the other direction blows towards the casing of motor 1, creating a negative pressure zone on the outer surface of the casing of motor 1. This allows air to flow on the surface of the casing of motor 1, thereby carrying away the heat generated by motor 1 during operation, cooling motor 1 itself, reducing its temperature, and preventing overheating damage that could affect the normal operation of the fan assembly and the cooling of external equipment.

[0049] According to an embodiment of the present invention, the fan assembly, by providing a bidirectional fan blade assembly 3 on the rotating shaft 2, enables the bidirectional fan blade assembly 3 to generate not only a forward cooling airflow but also a reverse cooling airflow when the motor 1 drives the rotating shaft 2 to rotate. This allows for cooling of external equipment while simultaneously blowing air onto the motor 1, as shown in the attached diagram. Figure 5 As shown, attached Figure 5 The arrows indicate the direction of gas flow, creating a negative pressure zone on the outer surface of the motor 1 casing. This allows gas to flow across the surface of the motor 1 casing, carrying away the heat generated during motor 1's operation and cooling the motor 1 itself. This reduces the temperature of the motor 1, preventing overheating and damage, which could affect the normal operation of the fan assembly and the cooling of external equipment.

[0050] In some embodiments, the output end of the motor 1 is connected to a rotating shaft 2;

[0051] The bidirectional fan blade assembly 3 includes:

[0052] Mounting component 4 is fitted onto the outer circumference of rotating shaft 2;

[0053] Multiple forward-facing fan blades 5 are arranged around the periphery of the mounting component 4, and the multiple forward-facing fan blades 5 constitute a forward-facing blower structure.

[0054] Multiple reverse fan blades 6 are arranged around the periphery of the mounting component 4, and the multiple reverse fan blades 6 form a reverse blowing structure.

[0055] Among them, the reverse fan blade 6 is located between the forward fan blade 5 and the motor 1.

[0056] Specifically, the bidirectional fan assembly 3 includes a mounting component 4, a forward fan blade 5, and a reverse fan blade 6. The mounting component 4 can be a rigid mounting sleeve that can rotate with the rotating shaft 2. The forward fan blade 5 and the reverse fan blade 6 are evenly spaced around the outer periphery of the mounting component 4. The mounting component 4 is connected to the rotating shaft 2. Rotation of the rotating shaft 2 can drive the mounting component 4 to rotate, thereby causing the forward fan blade 5 and the reverse fan blade 6 to rotate together. When the forward fan blade 5 and the reverse fan blade 6 rotate together, since the reverse fan blade 6 is closer to the motor 1, the reverse airflow generated by the reverse fan blade 6 can directly blow onto the casing of the motor 1 to cool the motor 1 and prevent the motor 1 from overheating and being damaged, thus affecting the normal operation of the fan assembly.

[0057] Among them, the forward-facing blade 5 can be a forward-facing axial flow blade, and the reverse-facing blade 6 can be a small forward-facing axial flow blade.

[0058] In some embodiments, a plurality of reverse fan blades 6 are arranged in a spiral pattern around the periphery of the mounting member 4.

[0059] Specifically, multiple reverse fan blades 6 can form an exhaust surface that disturbs the gas. The reverse fan blades 6 are arranged in a spiral pattern, which can increase the turbulence area of ​​the reverse fan blades 6, improve the air outlet effect of the reverse fan blades 6, and better reduce the temperature of the motor 1.

[0060] In some embodiments, the side of the reverse fan blade 6 facing the motor 1 has a continuous inclined surface 601, which gradually moves away from the motor 1 from the rotation center of the reverse fan blade 6 toward the tip of the reverse fan blade 6.

[0061] Specifically, the reverse fan blade 6 has a protrusion at the shaft end near the center of rotation that protrudes in the direction of the motor 1, and then gradually decreases in the direction of the fan blade rotation. This fan blade shape can effectively disturb the airflow, so that the exhaust surface of the disturbed gas composed of multiple reverse fan blades 6 has a better blowing effect and can better reduce the temperature of the motor 1.

[0062] In some embodiments, the reverse fan blade 6 and the forward fan blade 5 are integrally formed.

[0063] Specifically, the reverse fan blade 6 and the forward fan blade 5 can be a single-piece molded structure. That is, when manufacturing the forward fan blade 5, a reverse fan blade 6 can be designed directly on the opposite side of the forward fan blade 5 during the molding stage. This allows the forward fan blade 5 and the reverse fan blade 6 to share a single mold, reducing the cost of mold production. It is also easy to process and implement. When it is necessary to ensure the operation of the fan assembly, the bidirectional fan blade assembly 3 can operate with it without additional processing or increased manufacturing costs. After being molded once, it can be fitted into the shaft end of the motor 1 without the need to install two sets of fan blades. This also reduces assembly steps and improves production efficiency.

[0064] In some embodiments, the decorative cover 7 is coaxially fastened to the outside of the bidirectional fan blade assembly 3;

[0065] The decorative cover 7 has a first heat dissipation hole 71 in the center, and the blowing area of ​​the reverse fan blade 6 covers the first heat dissipation hole 71.

[0066] Specifically, the cooling airflow generated by the reverse fan blade 6 can draw air in through the first heat dissipation hole 71 and then blow the airflow towards the housing of the motor 1. The first heat dissipation hole 71 can be a circular hole, and the blade length of the reverse fan blade 6 can be the same as the diameter of the circular hole, so that the bidirectional fan blade assembly 3 can maximize the use of the first heat dissipation hole 71, so that the reverse fan blade 6 can draw air smoothly and ensure the blowing effect of the reverse fan blade 6. The more cooling airflow blown from the first heat dissipation hole 71 towards the housing of the motor 1, the better the heat dissipation effect on the motor 1.

[0067] In some embodiments, the decorative cover 7 is further provided with a plurality of second heat dissipation holes 72 around the first heat dissipation hole 71.

[0068] Specifically, the second heat dissipation hole 72 can be a rectangular hole, a circular hole, or an elliptical hole, etc. The second heat dissipation hole 72 can be evenly arranged around the first heat dissipation hole 71, so that the inner and outer sides of the decorative cover 7 are transparent and can assist the motor 1 in heat dissipation.

[0069] In some embodiments, a fixing nut 8 and a retaining ring are provided, wherein the fixing nut 8 is screwed to the end of the rotating shaft 2 away from the fan, and the retaining ring is snapped onto the outer periphery of the rotating shaft 2;

[0070] The bidirectional fan blade assembly 3 is fixed to the rotating shaft 2 by a fixing nut 8 and a snap ring.

[0071] Specifically, a washer can be set between the fixing nut 8 and the mounting part 4 of the bidirectional fan blade assembly 3. The bidirectional fan blade assembly 3 is fixed by the fixing nut 8 and the snap ring, which can prevent the decorative cover 7 and the bidirectional fan blade assembly 3 from sliding on the rotating shaft 2. This allows the bidirectional fan blade assembly 3 to rotate stably under the drive of the rotating shaft 2, continuously providing heat dissipation airflow to the external equipment to be cooled and continuously cooling the motor 1, and timely removing the heat from the casing of the motor 1.

[0072] In some embodiments, the threads of the fixing nut 8 are opposite to the rotation direction of the bidirectional fan blade assembly 3.

[0073] Specifically, the threads of the fixing nut 8 are opposite to the rotation direction of the fan blade, which ensures that the fixing nut becomes tighter as the rotating shaft 2 drives the bidirectional fan blade assembly 3 to rotate, thus preventing the fixing nut 8 from loosening due to centrifugal force during the continuous rotation of the rotating shaft 2.

[0074] In some embodiments, the rotating shaft 2 has a transmission flat head, and the mounting member 4 has a flat hole corresponding to and adapted to the transmission flat head. The mounting member 4 is connected to the rotating shaft 2 through the transmission flat head and the flat hole.

[0075] Specifically, the rotating shaft 2 can be a flat-head type, which has a transmission flat head. The mounting part 4 can be a kit with a flat hole. The size and shape of the flat hole are adapted to the transmission flat head, and the position corresponds to the transmission flat head. The mounting part 4 and the rotating shaft 2 are connected through the transmission flat head and the flat hole. This can prevent relative sliding between the mounting part 4 and the rotating shaft 2 when the rotating shaft 2 drives the bidirectional fan blade assembly 3 to rotate, which would affect the normal rotation of the forward fan blade 5 and the reverse fan blade 6.

[0076] The fan blades are made of PA66+25%GF material, which facilitates the one-time molding of the forward fan blades 5 and the reverse fan blades 6 of the fan assembly, eliminating the need for secondary processing and making installation and use convenient.

[0077] This application embodiment also provides an energy storage cabinet, including: the energy storage cabinet includes a cooling device, the cooling device includes: the aforementioned fan assembly.

[0078] Specifically, the cooling equipment in the energy storage cabinet achieves its cooling function through a fan assembly. The fan assembly proposed in this application, when the motor 1 is operating, can generate not only a forward airflow for cooling but also a reverse airflow to cool the motor 1, ensuring the motor 1 operates in a good condition and preventing overheating, which could lead to motor 1 malfunction, affect its lifespan, and compromise the cooling effect of the cooling equipment. In this specification, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described can be combined in any suitable manner in one or more embodiments or examples. In addition, those skilled in the art can combine and integrate the different embodiments or examples described in this specification.

[0079] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A fan assembly, characterized in that, include: Motor (1) and bidirectional fan blade assembly (3); The output end of the motor (1) is connected to the bidirectional fan blade assembly (3); The bidirectional fan blade assembly (3) has two blower structures with opposite blowing directions. The bidirectional fan blade assembly (3) can rotate under the drive of the motor (1) and simultaneously generate bidirectional cooling air that is away from the output end of the motor (1) and towards the output end of the motor (1). The output end of the motor (1) is connected to a rotating shaft (2); The bidirectional fan blade assembly (3) includes: Mounting component (4), which is sleeved on the outer periphery of the rotating shaft (2); Multiple forward-facing fan blades (5) are arranged around the periphery of the mounting member (4), and the multiple forward-facing fan blades (5) constitute a forward-facing blower structure; Multiple reverse fan blades (6) are arranged around the periphery of the mounting member (4), and the multiple reverse fan blades (6) constitute a reverse blowing structure; The reverse fan blade (6) is located between the forward fan blade (5) and the motor (1).

2. The wind turbine assembly according to claim 1, characterized in that, Multiple reverse fan blades (6) are arranged in a spiral shape around the periphery of the mounting component (4).

3. The wind turbine assembly according to claim 1, characterized in that, The reverse fan blade (6) has a continuous inclined surface (601) on the side facing the motor (1), and the inclined surface (601) gradually moves away from the motor (1) from the rotation center of the reverse fan blade (6) toward the tip of the reverse fan blade (6).

4. The wind turbine assembly according to any one of claims 1-3, characterized in that, The reverse fan blade (6) and the forward fan blade (5) are integrally formed.

5. The wind turbine assembly according to claim 1, characterized in that, Also includes: Decorative cover (7), which is coaxially fastened to the outside of the bidirectional fan blade assembly (3); The decorative cover (7) has a first heat dissipation hole (71) at its center, and the blowing area of ​​the reverse fan (6) covers the first heat dissipation hole (71).

6. The wind turbine assembly according to claim 5, characterized in that, Also includes: The decorative cover (7) is also provided with a plurality of second heat dissipation holes (72) around the first heat dissipation hole (71).

7. The wind turbine assembly according to claim 5, characterized in that, Also includes: A fixing nut (8) and a retaining ring are provided, wherein the fixing nut (8) is screwed to the end of the rotating shaft (2) away from the fan, and the retaining ring is snapped onto the outer circumference of the rotating shaft (2); The bidirectional fan blade assembly (3) is fixed to the rotating shaft (2) by the fixing nut (8) and the retaining ring.

8. The wind turbine assembly according to claim 7, characterized in that, include: The threads of the fixing nut (8) are opposite to the rotation direction of the bidirectional fan blade assembly (3).

9. The wind turbine assembly according to claim 1, characterized in that, include: The rotating shaft (2) has a transmission flat head, and the mounting part (4) has a flat hole that corresponds to and is adapted to the transmission flat head. The mounting part (4) is connected to the rotating shaft (2) through the transmission flat head and the flat hole.

10. An energy storage cabinet, the energy storage cabinet including a cooling device, characterized in that, The cooling device includes: The wind turbine assembly as described in any one of claims 1-9.

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