CN-122014689-A - Noise reduction fan, energy storage tank and vehicle-mounted refrigerator

Abstract

The invention discloses a noise reduction fan, an energy storage tank and a vehicle-mounted refrigerator, wherein the noise reduction fan comprises a fan base, a fan mounting plate, a fan body, a noise reduction structure and a damping structure, the inside of the fan base is hollow and circular, the fan mounting plate is detachably arranged on one side of the fan base corresponding to the shape of the fan base, the fan body is detachably arranged on the other side of the fan base, the fan body blows air in the direction of the fan mounting plate, the noise reduction structure is arranged inside the fan mounting plate and used for reducing noise of the noise reduction fan, and the damping structure is arranged between the fan base and the fan body and used for damping the noise reduction fan. According to the invention, through the cooperation of the noise reduction structure and the damping structure, the air flow generated during the operation of the fan can be effectively divided and buffered, the air flow noise is weakened, the mechanical noise generated by the vibration of the fan can be absorbed, the double noise reduction effect is obvious, the fan noise in the vehicle-mounted closed space can be effectively reduced, and the environmental comfort level in the vehicle is improved.

Inventors

• XI ZHIWU

Assignees

• 武汉凯沃森工业科技有限公司

Dates

Publication Date

20260512

Application Date

20260327

Claims (10)

1. 1. A noise reduction fan, comprising: the fan base is hollow and circular; the fan mounting plate corresponds to the shape of the fan base and is detachably arranged on one side of the fan base; the fan body is detachably arranged on the other side of the fan base, and the fan body blows air in the direction of the fan mounting plate; The noise reduction structure is arranged in the fan mounting plate and is used for reducing noise of the noise reduction fan; And the damping structure is arranged between the fan base and the fan body and is used for damping the noise reduction fan.
2. 2. The noise reduction fan according to claim 1, wherein the noise reduction structure comprises a plurality of noise reduction rings and a plurality of connecting components, the noise reduction rings are sequentially contracted and coaxially arranged inside the fan mounting plate, the connecting components are sequentially connected with the noise reduction rings, one ends of the connecting components are respectively connected with the fan mounting plate, and the other ends of the connecting components are converged and connected at the axle centers of the noise reduction rings.
3. 3. The noise reduction fan according to claim 2, wherein a side of the noise reduction ring facing the fan body is provided with first protrusions connected end to end.
4. 4. A noise reduction fan according to claim 3, wherein the first protrusions are triangular and have an included angle in the range of 60 ° to 150 °.
5. 5. The noise reduction fan of claim 2, further comprising: The fixed block is arranged at the axle center of the noise reduction ring, each connecting component comprises a plurality of connecting pieces positioned on the same axis, two ends of the connecting pieces close to the fan mounting plate are respectively connected with the fan mounting plate and the adjacent noise reduction ring, two ends of the connecting pieces close to the fixed block are respectively connected with the fixed block and the adjacent noise reduction ring, and two ends of the other connecting pieces are respectively connected with the adjacent two noise reduction rings.
6. 6. The noise reduction fan according to claim 5, wherein a second protrusion is arranged on one side of the connecting piece, which faces the fan body, the second protrusion is triangular, and an included angle of the second protrusion ranges from 30 ° to 90 °.
7. 7. The noise reduction fan of claim 1, wherein the shock absorbing structure comprises: The fan base is provided with the mounting groove towards one side of fan mounting panel, vibration damping cotton one side detachably installs in the mounting groove, one side of fan body is provided with the butt portion after the butt portion runs through the fan base, vibration damping cotton opposite side butt portion.
8. 8. The noise reduction fan according to claim 1, further comprising a quick-release structure, wherein the noise reduction fan is mounted on the refrigerator body, the quick-release structure comprises two buckles located on two sides of the bottom of the fan mounting plate and two limiting pieces corresponding to the two buckles on the refrigerator body, and the buckles are detachably abutted to the limiting pieces.
9. 9. The energy storage tank is characterized by comprising an energy storage tank upper cover, a lower tank body and an air duct, wherein the energy storage tank upper cover is arranged on the lower tank body, one side of the lower tank body is connected to a refrigerator body, the energy storage tank upper cover comprises an upper cover body, a liquid injection assembly and a noise reduction fan according to any one of claims 1-8, the upper cover body is detachably connected to the lower tank body, the cover body is arranged on the upper cover body, a containing cavity is formed between the upper cover body and the cover body, the fan assembly is arranged on one side of the upper cover body and is located in the containing cavity, the liquid injection assembly is arranged on the upper cover body and is located outside the containing cavity, the air duct is arranged on the other side of the lower tank body, the bottom of the air duct is communicated with the refrigerator body, the top of the air duct is communicated with the containing cavity, the fan assembly is used for sucking air in the direction of the refrigerator body, and the liquid injection assembly is communicated with the lower tank body.
10. 10. The vehicle-mounted refrigerator is characterized by comprising a refrigerator body, an evaporator and the energy storage tank according to claim 9, wherein the lower tank body is connected to one side of the refrigerator body and is communicated with the bottom of the refrigerator body, the evaporator is connected to one side, far away from the lower tank body, of the air duct, and the upper cover of the energy storage tank is communicated with the top of the refrigerator body.

Description

Noise reduction fan, energy storage tank and vehicle-mounted refrigerator Technical Field The invention relates to a vehicle-mounted refrigerator, in particular to a noise reduction fan, an energy storage tank and a vehicle-mounted refrigerator. Background The vehicle-mounted refrigerator is used as a common refrigeration device in the travel of an automobile, is widely applied to scenes such as household use, cold chain transportation, long-distance driving and the like, and the heat dissipation efficiency and the running noise of the vehicle-mounted refrigerator directly influence the use experience and the comfort level of the environment in the automobile. The fan is used as a core component of the vehicle-mounted refrigerator energy storage and heat dissipation system, and the operation silencing effect and the structural stability of the fan directly influence the use experience and the service life of the whole refrigerator. In the equipment scene that the requirements on noise control are higher such as refrigerator, air conditioner, radiator fan not only need ensure basic ventilation radiating efficiency, still need possess excellent shock attenuation noise reduction performance to promote the use comfort level. At present, the conventional cooling fan generally has the problems of unreasonable structural design and lack of functionality. In addition, no specific damping structure is arranged between the fan body and the base, vibration generated during operation is easily transmitted to the whole machine, abnormal sound can be aggravated, loose abrasion of internal parts can be caused, and the service life of the fan is shortened. Meanwhile, part of fans are of an integrated base and mounting plate structure, cannot be flexibly disassembled, are required to be replaced integrally after being damaged, are high in maintenance cost, and are not combined with a circular hollow base structure for adaptation optimization even if being of a split type design, so that assembly accuracy is poor. Disclosure of Invention The invention aims to provide a noise reduction fan, an energy storage tank and a vehicle-mounted refrigerator, and aims to solve the problems that the existing fan for the vehicle-mounted refrigerator is lack of a noise reduction structure, a damping structure and inconvenient to detach. In order to solve the technical problems, the invention is realized by the following technical scheme: The invention provides a noise reduction fan which comprises a fan base, a fan mounting plate, a fan body, a noise reduction structure and a shock absorption structure, wherein the inside of the fan base is hollow and circular, the fan mounting plate corresponds to the shape of the fan base and is detachably arranged on one side of the fan base, the fan body is detachably arranged on the other side of the fan base and blows air in the direction of the fan mounting plate, the noise reduction structure is arranged inside the fan mounting plate and is used for noise reduction of the noise reduction fan, and the shock absorption structure is arranged between the fan base and the fan body and is used for shock absorption of the noise reduction fan. Further, the noise reduction structure comprises a plurality of noise reduction rings and a plurality of connecting components, the noise reduction rings are sequentially contracted and coaxially arranged inside the fan mounting plate, the connecting components are sequentially connected with the noise reduction rings, one ends of the connecting components are respectively connected with the fan mounting plate, and the other ends of the connecting components are converged and connected at the axle center of the noise reduction rings. Further, a first protrusion connected end to end is arranged on one side of the noise reduction ring, which faces the fan body. Further, the first protrusions are triangular, and the included angle of the first protrusions ranges from 60 degrees to 150 degrees. Further, the noise reduction fan further comprises a fixing block, the fixing block is arranged at the axis of the noise reduction ring, each connecting component comprises a plurality of connecting pieces positioned on the same axis, two ends of the connecting piece close to the fan mounting plate are respectively connected with the fan mounting plate and the adjacent noise reduction ring, two ends of the connecting piece close to the fixing block are respectively connected with the fixing block and the adjacent noise reduction ring, and two ends of the other connecting pieces are respectively connected with the adjacent noise reduction rings. Further, a second protrusion is arranged on one side, facing the fan body, of the connecting piece, the second protrusion is triangular, and the included angle range of the second protrusion is 30-90 degrees. Further, the damping structure comprises damping cotton, a mounting groove is formed in one side, facing the fan mounting plate, of t