Mute high-efficiency air blower applied to household breathing machine
By optimizing the design of the blower shell, impeller and motor components, the problems of high noise and low efficiency of traditional household ventilators are solved, and a silent and efficient blower is realized, suitable for household ventilators and meet the needs of different patients.
Patent Information
- Application Number
- CN202422632985.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-30
- Publication Date
- 2025-08-19
- Estimated Expiration
- 2034-10-30
AI Technical Summary
The blowers of traditional household ventilators have problems such as high noise and low efficiency, which affect the patient's sleep quality and the normal operation of the equipment.
A silent high-efficiency blower including blower housing assembly, impeller assembly and motor assembly was designed. The sealing is enhanced by screw connections between the upper and lower covers of the housing, and the ultrasonic welding of the upper and lower covers of the impeller ensures stability. The motor adopts a variety of noise reduction measures and wave springs to enhance stability, and optimizes the motor structure and component layout to improve efficiency.
It achieves significant silent effect and high efficiency performance. It is suitable for various household ventilators, meets the needs of different patients, has a reasonable structural design and is easy to maintain.
Smart Images

Figure CN223241670U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of medical device components, and in particular relates to a silent and high-efficiency blower used in a household ventilator. Background Art
[0002] In modern society, as people's awareness of health continues to grow, the demand for home ventilators is also increasing. For patients with respiratory diseases, home ventilators have become essential equipment for maintaining normal breathing and ensuring their quality of life. However, traditional home ventilators often have some problems during use.
[0003] On the one hand, noise has always been a major problem for users. Traditional blowers generate a lot of noise during operation, which not only affects the patient's sleep quality but also causes trouble for their family members. In the quiet environment at night, this noise is particularly prominent, seriously affecting people's quality of life.
[0004] On the other hand, efficiency issues also need to be addressed urgently. Traditional blowers are inefficient and cannot meet the high-performance requirements of modern home ventilators. This not only increases energy consumption but also may affect the normal operation of the ventilator, posing risks to patient treatment. Utility Model Content
[0005] The purpose of this utility model is to provide a silent and high-efficiency blower for home ventilators, aiming to solve the problems existing in the above-mentioned background technology. To achieve the above-mentioned purpose, the technical solution adopted by this utility model is:
[0006] A silent and high-efficiency blower used in a household ventilator includes a blower housing assembly, a blower impeller assembly and a motor assembly. The motor assembly is installed inside the blower housing assembly through the blower impeller assembly. The motor assembly is used to drive the rotation of the blower impeller assembly. The blower housing assembly includes an upper housing cover and a lower housing cover. The upper housing cover and the lower housing cover are detachably mounted by screws.
[0007] Preferably, the blower impeller assembly includes a rotating blade upper cover and a rotating blade lower cover, and the rotating blade upper cover and the rotating blade lower cover are ultrasonically welded. The middle part of the rotating blade upper cover and the rotating blade lower cover are provided with positioning holes, and the positioning holes are used to connect with the motor shaft of the motor in the motor assembly.
[0008] Preferably, the motor assembly includes a motor aluminum shell, an upper wire rack, a silicon steel sheet, a lower wire rack, a shaft core, an upper silicone ring, a side silicone ring, an upper ball, an upper copper gasket A, a permanent magnet, a lower copper gasket B, a lower copper gasket C, a signal magnet, a lower copper gasket D, a lower copper gasket E, a lower ball, a silicone ring, a spring, a lower end cover and a 4M screw. The interior of the motor aluminum shell is sequentially provided with a silicon steel sheet, a lower wire rack, an upper silicone ring, a side silicone ring, an upper ball, an upper copper gasket A, a permanent magnet, a lower copper gasket B, a lower copper gasket C, a signal magnet, a lower copper gasket D, a lower copper gasket E, a lower ball, a silicone ring and a spring. The bottom of the motor aluminum shell is connected to the lower end cover, and a 4M screw is installed inside the lower end cover.
[0009] Preferably, the motor assembly is also provided with an axis core, and the core is pulled through the ball, upper copper gasket A, permanent magnet, lower copper gasket B, lower copper gasket C, signal magnet, lower copper gasket D, lower copper gasket E and lower ball to connect with the blower impeller assembly.
[0010] Preferably, the upper silicone ring is connected to the aluminum shell of the motor.
[0011] Preferably, the side silicone ring is connected to the motor aluminum shell.
[0012] Preferably, the spring is a wave spring.
[0013] Beneficial effects of the utility model: This patent has significant advantages in the silent and high-efficiency blower applied to home ventilators. In terms of quietness, the casing, impeller and motor components work together to reduce noise. For example, the screw connection of the upper and lower covers of the casing enhances the sealing, the ultrasonic welding of the upper and lower covers of the impeller ensures stability, and the motor adopts a variety of noise reduction measures and wave springs to enhance stability. In terms of high-efficiency performance, the motor structure and performance are optimized, the silicon steel sheets and other components are reasonably arranged and the permanent magnet configuration is optimized, and the shaft-core connection ensures efficient and stable power transmission. The structural design is reasonable, the upper and lower shell covers are detachable and the ultrasonic welding of the impeller facilitates assembly and disassembly, and the motor components are modularized for easy maintenance and repair. It has a wide range of applications and is suitable for various home ventilators to meet the needs of different patients. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 An overall schematic diagram provided for an embodiment of the present utility model;
[0015] Figure 2 A schematic diagram of the overall cross-sectional structure provided by an embodiment of the present utility model;
[0016] Figure 3 A schematic diagram of a cross-sectional structure of a motor provided in an embodiment of the present utility model;
[0017] Figure 4 This is a schematic diagram of the overall explosion structure of an embodiment of the present utility model.
[0018] Among them, the reference numerals in the figures are:
[0019] 1. Blower housing assembly; 11. Upper housing cover; 12. Lower housing cover; 2. Blower impeller assembly; 21. Rotating blade upper cover; 22. Rotating blade lower cover; 3. Motor assembly; 301. Motor aluminum housing; 302. Upper wire rack; 303. Silicon steel sheet; 304. Lower wire rack; 305. Upper silicone ring; 306. Side silicone ring; 307. Upper ball bearing; 308. Upper copper gasket A; 309. Permanent magnet; 310. Lower copper gasket B; 311. Lower copper gasket C; 312. Signal magnet; 313. Lower copper gasket D; 314. Lower copper gasket E; 315. Lower ball bearing; 316. Silicone ring; 317. Spring; 318. Lower end cover; 319. 4M screw; 320. Shaft core. DETAILED DESCRIPTION
[0020] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be provided below with reference to the accompanying drawings. The accompanying drawings illustrate preferred embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the disclosure of the present invention.
[0021] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may also be an element centered. When an element is considered to be "connected" to another element, it may be directly connected to the other element or there may be an element centered at the same time. In contrast, when an element is referred to as being "directly on" another element, there is no intermediate element. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only embodiment. The terms "upper end", "lower end", "left side", "right side", "front end", "rear end" and similar expressions used herein are positional relationships with reference to the accompanying drawings.
[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this invention pertains. The terms used herein in the specification of this invention are intended solely for the purpose of describing specific embodiments and are not intended to limit this invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.
[0023] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.
[0024] like Figures 1 to 4As shown, an embodiment of the utility model provides a silent and high-efficiency blower for a household ventilator, comprising a blower housing assembly 1, a blower impeller assembly 2 and a motor assembly 3. The motor assembly 3 is installed inside the blower housing assembly 1 through the blower impeller assembly 2. The motor assembly 3 is used to drive the rotation of the blower impeller assembly 2. The blower housing assembly 1 comprises an upper housing cover 11 and a lower housing cover 12. The upper housing cover 11 and the lower housing cover 12 are detachably mounted by screws.
[0025] In the embodiment, the blower impeller assembly 2 includes a rotating blade upper cover 21 and a rotating blade lower cover 22. The rotating blade upper cover 21 and the rotating blade lower cover 22 are ultrasonically welded. The middle part of the rotating blade upper cover 21 and the rotating blade lower cover 22 are both provided with positioning holes, and the positioning holes are used to connect with the motor shaft of the motor in the motor assembly 3.
[0026] In the embodiment, the motor assembly 3 includes a motor aluminum shell 301, an upper bobbin 302, a silicon steel sheet 303, a lower bobbin 304, a shaft core 320, an upper silicone ring 305, a side silicone ring 306, an upper ball bearing 307, an upper copper gasket A308, a permanent magnet 309, a lower copper gasket B310, a lower copper gasket C311, a signal magnet 312, a lower copper gasket D313, a lower copper gasket E314, a lower ball bearing 315, a silicone ring 316, a spring 317, a lower end cover 318 and a 4M screw 319. From top to bottom, the interior of 01 is equipped with silicon steel sheet 303, lower wire rack 304, upper silicone ring 305, side silicone ring 306, upper ball 307, upper copper gasket A308, permanent magnet 309, lower copper gasket B310, lower copper gasket C311, signal magnet 312, lower copper gasket D313, lower copper gasket E314, lower ball 315, silicone ring 316 and spring 317. The bottom of the motor aluminum shell 301 is connected to the lower end cover 318, and 4M screws 319 are installed inside the lower end cover 318.
[0027] In the embodiment, the motor assembly 3 is also provided with an axis core 320, which is pulled through the ball, upper copper gasket A308, permanent magnet 309, lower copper gasket B310, lower copper gasket C311, signal magnet 312, lower copper gasket D313, lower copper gasket E314 and lower ball 315 to be connected to the blower impeller assembly 2.
[0028] In the embodiment, the upper silicone ring 305 is connected to the motor aluminum shell 301 .
[0029] In the embodiment, the side silicone ring 306 is connected to the motor aluminum shell 301 .
[0030] In the embodiment, the spring 317 is a wave spring 317 .
[0031] The above embodiments are only used to illustrate the present invention, and are not intended to limit the present invention. Ordinary technicians in the relevant technical field may make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, all equivalent technical solutions also fall within the scope of the present invention, and the scope of patent protection of the present invention shall be defined by the claims.
Claims
1. A silent and high-efficiency blower for use in household ventilators, characterized by: It includes a blower housing assembly, a blower impeller assembly and a motor assembly. The motor assembly is installed inside the blower housing assembly through the blower impeller assembly. The motor assembly is used to drive the rotation of the blower impeller assembly. The blower housing assembly includes an upper shell cover and a lower shell cover. The upper shell cover and the lower shell cover are detachably installed by screws.
2. A silent and high-efficiency blower for a household ventilator according to claim 1, characterized in that: The blower impeller assembly includes a rotating blade upper cover and a rotating blade lower cover, and the rotating blade upper cover and the rotating blade lower cover are ultrasonically welded. The middle parts of the rotating blade upper cover and the rotating blade lower cover are both provided with positioning holes, and the positioning holes are used to connect with the motor shaft of the motor in the motor assembly.
3. A silent and high-efficiency blower for a household ventilator according to claim 2, characterized in that: The motor assembly includes a motor aluminum shell, an upper wire rack, a silicon steel sheet, a lower wire rack, a shaft core, an upper silicone ring, a side silicone ring, an upper ball, an upper copper gasket A, a permanent magnet, a lower copper gasket B, a lower copper gasket C, a signal magnet, a lower copper gasket D, a lower copper gasket E, a lower ball, a silicone ring, a spring, a lower end cover and a 4M screw. The interior of the motor aluminum shell is sequentially provided with the silicon steel sheet, the lower wire rack, the upper silicone ring, the side silicone ring, the upper ball, the upper copper gasket A, the permanent magnet, the lower copper gasket B, the lower copper gasket C, the signal magnet, the lower copper gasket D, the lower copper gasket E, the lower ball, the silicone ring and the spring. The bottom of the motor aluminum shell is connected to the lower end cover, and the 4M screws are installed inside the lower end cover.
4. A silent and high-efficiency blower for a household ventilator according to claim 3, characterized in that: The motor assembly is also provided with an axis core, which passes through the ball, upper copper gasket A, permanent magnet, lower copper gasket B, lower copper gasket C, signal magnet, lower copper gasket D, lower copper gasket E and lower ball and is connected to the blower impeller assembly.
5. The silent and high-efficiency blower for household ventilators according to claim 4, characterized in that: The upper silicone ring is connected to the motor aluminum shell.
6. The silent and high-efficiency blower for household ventilators according to claim 5, characterized in that: The side silicone ring is connected to the motor aluminum shell.
7. A silent and high-efficiency blower for a household ventilator according to claim 5 or 6, characterized in that: The spring is a wave spring.