Single-head hand dryer

By using a two-way structure design and a brushless fan in the single-head hand dryer, the problems of large size and long air delivery path of the hand dryer are solved, achieving a more efficient drying effect and reducing noise.

CN224039078UActive Publication Date: 2026-03-27ZHEJIANG FEEGOO TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-05
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing hand dryers are bulky and have long air delivery paths, resulting in air volume loss and poor drying effect.

Method used

It adopts a single-head hand dryer design with a two-way structure in the housing. The fan and heating wire are integrated inside the housing, and the main control board is located in the hollow channel. It uses a brushless fan and a sensor board to sense the hand to start the drying function.

Benefits of technology

The size of the hand dryer has been reduced, the air delivery path has been shortened, the drying efficiency has been improved, the noise has been reduced, and the user comfort has been enhanced.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224039078U_ABST
Patent Text Reader

Abstract

The utility model discloses a single-head hand dryer. The single-head hand dryer comprises a shell, a fan, a heating wire, an induction plate, an air outlet cover, a main control board and a wire outlet pipe. The shell is of a two-way structure, that is, two hollow channels communicated with each other are formed in the shell to form a first channel and a second channel, the fan and the heating wire are sequentially installed in the first channel according to an air outlet path, and the induction plate and the air outlet cover are located at an air outlet of the first channel at the same time; the second channel is provided with a main control board and is assembled with the wire outlet pipe; the main control board is in electric signal fit with the fan, the heating wire and the induction board. According to the technical scheme, the structure of the hand dryer is optimized, the size of the hand dryer is reduced, meanwhile, the air supply path is shortened, and therefore the drying effect is improved.
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Description

Technical Field

[0001] This utility model relates to an electrical daily necessities, specifically a hand dryer for drying hands after washing. Background Technology

[0002] Hand dryers are currently widely used in homes or public places to dry hands after washing. They are mainly placed under the sink. These hand dryers are mainly box-type structures, with a large overall volume and a long air supply duct, which results in a loss of airflow. Therefore, the actual use effect of this type of hand dryer needs to be improved. Utility Model Content

[0003] The purpose of this invention is to provide a single-head hand dryer. The technical problem to be solved is to optimize the structure of the hand dryer, reduce its size, and shorten the air supply path, thereby improving the drying effect.

[0004] A single-head hand dryer includes a housing, a fan, a heating wire, a sensor plate, an air outlet cover, a main control board, and an outlet conduit. The housing has a two-way structure, meaning it has two interconnected hollow channels forming a first channel and a second channel. In the first channel, the fan and heating wire are installed sequentially according to the air outlet path, and the sensor plate and air outlet cover are simultaneously located at the air outlet position of the first channel. The second channel houses the main control board and is assembled with the outlet conduit. The main control board communicates with the fan, heating wire, and sensor plate via electrical signals.

[0005] The housing includes a first cylindrical shell and a second cylindrical shell, both having hollow channels; the first cylindrical shell is arranged at an angle relative to the second cylindrical shell; the fan and heating wire are arranged inside the first cylindrical shell, and the outlet pipe is assembled with the second cylindrical shell.

[0006] The fan is a brushless fan.

[0007] The sensing board is an infrared sensor or a laser sensor, which works in conjunction with the electrical signals of the main control board.

[0008] The air hood has an air outlet and a sensing hole, and part of the sensing plate is arranged inside the sensing hole.

[0009] The first channel also has a first upper cover and a first lower cover that cooperate with each other. The first upper cover and the first lower cover are assembled together to wrap and fix the fan and heating wire.

[0010] The second channel also has a second upper cover and a second lower cover that cooperate with each other. The second upper cover and the second lower cover are spliced ​​together to wrap and fix the main control board.

[0011] The outlet pipe is installed on a water tap.

[0012] The utility model discloses a beneficial effect is: through the fan and heating wire integration in the casing, the casing is directly installed on the mesa, to make its overall volume reduce, main control board layout in the air duct of hollow channel form, perfect solution heating problem, and the redundant heat can be converted into hot air, improve the dry hand efficiency, the fan adopts brushless high -speed fan, improves the life, improves the dry hand efficiency, greatly reduced the noise. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the schematic diagram of single -head dry hander;

[0014] Figure 2 It is the schematic diagram of single -head dry hander of another angle display;

[0015] Figure 3 It is Figure 1 the exploded schematic diagram of single -head dry hander;

[0016] Figure 4 It is Figure 3 the exploded schematic diagram of A part in single -head dry hander of

[0017] In the drawing

[0018] 1. casing, 11. first channel, 12. second channel, 13. first cylinder shell, 14. second cylinder shell;

[0019] 21. first upper cover, 22. first lower cover;

[0020] 3. fan;

[0021] 4. heating wire;

[0022] 5. induction plate;

[0023] 6. air outlet cover, 61. air outlet hole, 62. induction hole;

[0024] 7. main control board;

[0025] 81. second upper cover, 82. second lower cover;

[0026] 9. wire outlet pipe. DETAILED DESCRIPTION

[0027] Please refer to Figures 1 to 4The single-head hand dryer in the figure mainly designs a shell 1, a fan 3, a heating wire 4, a sensing plate 5, an air outlet cover 6, a main control board 7, and a wire outlet pipe 9, wherein the shell 1 is mainly used for wrapping and fixing the fan 3 and the heating wire 4, the fan 3 is used for conveying the heat generated by the heating wire 4 to the air outlet, the sensing plate 5 is mainly used as a sensor needed to drive the hand dryer to work, the air outlet cover 6 is used for the output of hot air, the main control board 7 is used for electric induction or electric driving of electrical components such as the fan 3, the heating wire 4, and the sensing plate 5, and the wire outlet pipe 9 is used for assembly with a natural water pipe. In actual application, the above components can be further optimized and designed, such as adding other designs or integrating with other components into an integrated structure or additionally adding other components.

[0028] As shown in the figure, the shell 1 in the figure adopts a structure similar to a tee joint, and has hollow channels that are in communication with each other inside, the shell 1 is designed with a first cylinder shell 13 and a second cylinder shell 14, wherein the hollow channel in the first cylinder shell 13 forms a first channel 11, and the hollow channel in the second cylinder shell 14 forms a second channel 12, the first cylinder shell 13 is installed on the second cylinder shell 14 and arranged in an inclined manner relative to the second cylinder shell 14. The fan 3 and the heating wire 4 are installed in the first channel 11 in the first cylinder shell 13 in sequence according to the air outlet path, for example, the fan 3 can be close to the air inlet, and the heating wire 4 can be close to the air outlet position, and the main control board 7 and the wire outlet pipe 9 are installed in the second channel 12 in the second cylinder shell 14. In order to reinforce and fix the fan 3 and the heating wire 4, a first upper cover 21 and a first lower cover 22 that are matched with each other can be added inside the first cylinder shell 13, both the first upper cover 21 and the first lower cover 22 adopt a semicircular design, so as to wrap and fix the fan 3 and the heating wire 4. In order to wrap and fix the main control board 7, a second upper cover 81 and a second lower cover 82 that are matched with each other can be added inside the second cylinder shell 14, both the second upper cover 81 and the second lower cover 82 also adopt a semicircular design and are matched with each other. The second cylinder shell 14 is assembled with the wire outlet pipe 9 at an end position, the wire outlet pipe 9 is assembled with a water outlet pipe, the water outlet pipe can adopt an existing natural water pipe and can be locally optimized and improved, for example, a corresponding hole structure is designed for installing the second cylinder shell 14 and corresponding cables, and for supplying power to electrical components such as the main control board 7. Correspondingly, the outer wall of the shell 1 can be punched to press air from the outside into the inside.

[0029] As shown in the figure, the fan 3 adopts a high-speed brushless fan 3, which can reduce wind noise as much as possible and ensure the comfort of use, and the specific model of the fan 3 can be determined according to the air volume.

[0030] As shown in the figure, the induction plate 5 can adopt infrared induction sensor or laser induction sensor and is installed at the air outlet position of the shell 1, which is in electrical signal communication with the main control board 7 in the existing mode, guarantees the implementation of induction to the corresponding signal, so that the main control board 7 makes corresponding action to other components. The assembly of the induction plate 5 and the main control board 7 can refer to the prior art.

[0031] As shown in the figure, the air outlet cover 6 is a common circular cover structure, which is installed at the air outlet position of the shell 1, and an air outlet hole 61 and an induction hole 62 are designed on the air outlet cover 6, the air outlet hole is used for hot air output, and the induction hole is used for placing the induction part of the induction plate 5.

[0032] As shown in the figure, the wire outlet pipe 9 is a conventional hollow tubular structure for threading, which is closely assembled with the inner wall of the second barrel shell 14, and the wire outlet pipe 9 can be installed with the water outlet faucet in a conventional manner.

[0033] The specific embodiments described above are only used to explain the technical solutions, and are not used to limit the technical solutions. In the description of the technical solutions, it should be explained that the terms such as "upper", "inner" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the technical solutions and simplifying the description, and is not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation to the technical solutions.

[0034] At the same time, in the description of the technical solutions, it should be explained that unless otherwise explicitly specified and limited, the terms "fixed", "matched" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship of two elements. For those skilled in the art, the specific meaning of the above terms in the technical solutions can be understood according to the specific circumstances.

[0035] Although the embodiments of the technical solutions have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the technical solutions, and the scope of the technical solutions is defined by the appended claims and their equivalents.

Claims

1. A single head hand dryer characterized by: The application relates to a heating and drying device, which comprises a shell (1), a fan (3), heating wires (4), an induction plate (5), an air outlet cover (6), a main control board (7) and a wire outlet pipe (9); the shell (1) is a two-way structure, that is, two hollow channels are arranged in the shell (1) to form a first channel (11) and a second channel (12); the fan (3) and the heating wires (4) are arranged in the first channel (11) according to an air outlet path; the induction plate (5) and the air outlet cover (6) are arranged at the air outlet position of the first channel (11); the main control board (7) is arranged in the second channel (12) and is assembled with the wire outlet pipe (9); the main control board (7) is electrically connected with the fan (3), the heating wires (4) and the induction plate (5).

2. The single-head hand dryer of claim 1, wherein: The shell (1) comprises a first cylinder shell (13) and a second cylinder shell (14) which both have hollow channels; the first cylinder shell (13) is arranged in an inclined manner relative to the second cylinder shell (14); the fan (3) and the heating wires (4) are arranged in the first cylinder shell (13); the wire outlet pipe (9) is assembled with the second cylinder shell (14).

3. The single-head hand dryer of claim 1, wherein: The fan (3) is a brushless fan (3).

4. The single-head hand dryer of claim 1, wherein: The induction plate (5) is an infrared induction sensor or a laser induction sensor, which is electrically connected with the main control board (7).

5. The single-head hand dryer of claim 1, wherein: The air outlet cover (6) is provided with an air outlet hole (61) and an induction hole (62); part of the induction plate (5) is arranged in the induction hole (62).

6. The single-head hand dryer of claim 1, wherein: The first channel (11) further comprises a first upper cover (21) and a first lower cover (22) which are matched with each other and are used for wrapping and fixing the fan (3) and the heating wires (4).

7. The single-head hand dryer of claim 1, wherein: The second channel (12) further comprises a second upper cover (81) and a second lower cover (82) which are matched with each other and are used for wrapping and fixing the main control board (7).

8. The single-head hand dryer of claim 1, wherein: The wire outlet pipe (9) is arranged on a water outlet faucet.