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Double-air-duct structure for blower

A double air duct and hair dryer technology, which is applied in the field of beauty and hairdressing, can solve the problems of low hair drying efficiency, no obvious increase in the wind power of the hair dryer, and small air intake.

Inactive Publication Date: 2021-10-26
珠海田季环境技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are common hair dryers with dual air ducts on the market, and the two air ducts are not connected, which makes the noise of this hair dryer larger, the air intake volume is also smaller, and the efficiency of drying hair is relatively low.
[0003] For example, the existing patent application publication number is the invention patent of CN105852381A, which discloses a double-air duct blower. The air flows at high speed to form a wind speed, and then the negative ion generator is installed in the natural wind duct. The negative ion generator or water ions are blown out by the natural air duct to directly maintain the hair. Most of the hair blown by the hair dryer is natural air, which is environmentally friendly and does not generate ozone. , the advantage of not hurting the hair, but the wind power of the hair dryer is not significantly improved, and it does not have the characteristics of noise reduction

Method used

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Experimental program
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Effect test

Embodiment 1

[0037] Such as figure 1 As shown, the present invention provides a double-air duct structure for a hair dryer. The double-air duct structure 100 includes the inner air duct 10, the outer air duct 20 and two sets of motor impeller combinations, and the motor impeller The combination is used to drive the inflow of external air. At least one ventilation hole is provided on the pipe wall of the inner air duct 10. For heating air.

[0038] Due to the small size of the inner air duct 10 and the fast air velocity, it will generate relatively large noise, but this part of the noise is isolated by the flowing air wall formed by the outer air duct 20 to achieve the effect of physical noise reduction; The inner air duct 10 is provided with a set of motor impeller combinations, and the outer air duct 20 is provided with a set of motor impeller combinations, which increases the air intake of the blower; the high-speed airflow in the inner air duct 10 will form a negative pressure, due to ...

Embodiment 2

[0046] Such as figure 2 As shown, on the basis of Embodiment 1, a technical solution is provided, and no ventilation holes are provided on the pipe wall of the inner air duct 10 and the baffle plate 33 . In this embodiment, the inner air duct 10 and the outer air duct 20 are not in communication, the wind blown out by the inner air duct 10 is cold wind, and the air in the outer air duct 20 is heated by the heating coil to blow out the wind. For hot air, the double air duct has a simple structure and is easy to process. When it is used in a hair dryer, two gears of cold air and hot air can be set to save costs.

Embodiment 3

[0048] Such as image 3 As shown, on the basis of Embodiment 1, a technical solution is provided. In this embodiment, the included angle between the baffle plate 33 and the inner air duct 10 is 180°, a shock-absorbing layer is provided between the inner air duct 10 and the first motor impeller assembly 31, and the inner air duct 10 is provided with a damping layer. The volume of the air duct 10 is effectively reduced, and the inner air duct 10 and the outer air duct 20 are arranged in parallel, the volume of the hair dryer body is also reduced, and the hair dryer models with smaller volume can be produced to meet the needs of different customers At the same time, due to the reduced volume of the inner air duct 10, the first motor impeller assembly 31 is relatively close to the pipe wall of the inner air duct 10, and the vibration body feeling generated by the operation of the first motor impeller assembly 31 is more obvious, so The shock-absorbing layer 11 is provided to weak...

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Abstract

The invention relates to a double-air-duct structure for a blower. The double-air-duct structure for the blower comprises an inner air duct, an outer air duct and at least two groups of motor impeller combinations, the pipe wall of the inner air duct is provided with at least one ventilation hole, the outer side of the wall of the inner air duct is provided with a heating wire frame, and the heating wire frame is used for heating air. By designing the double-air-duct structure that the inner air duct is communicated with the outer air duct, the effects of increasing the air volume of the blower, reducing a noise and adjusting a temperature are achieved.

Description

technical field [0001] The invention relates to the field of beauty and hairdressing, in particular to a double air duct structure for a hair dryer. Background technique [0002] The hair dryer is mainly used for drying and shaping of hair, but it can also be used for local drying, heating and physical therapy in laboratories, physiotherapy rooms, industrial production, and art. The interior of the hair dryer is usually equipped with a heating wire, a motor and a fan, and the rotor is directly driven by the motor to drive the fan blade to rotate. When the fan blade rotates, air is sucked in from the air inlet, and the resulting centrifugal airflow is blown out by the front nozzle of the fan. At present, there are common electric hair dryers with double air ducts on the market, but the two air ducts are not connected, so that the noise of this hair dryer is relatively large, the air intake volume is also small, and the efficiency of drying hair is relatively low. [0003] Fo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A45D20/10A45D20/12
CPCA45D20/10A45D20/12
Inventor 张希
Owner 珠海田季环境技术有限公司
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