CN105919493A - Hand drier - Google Patents

Abstract

The present invention discloses a hand dryer, which comprises a first air outlet, a second air outlet and an air supply unit, wherein the first air outlet is spaced apart from the second air outlet, and the air supply unit is provided with a first air duct and a second air duct, wherein the first air duct is connected to the first air outlet, and the second air duct is connected to the second air outlet, and the air supply unit is used to generate a first air flow ejected through the first air duct and the first air outlet, and a second air flow ejected through the second air duct and the second air outlet, wherein the temperature of the first air flow is greater than the temperature of the second air flow. In the hand dryer of the embodiment of the present invention, the temperatures of the air flows ejected from the two opposite air outlets are different, the first air flow can be used to dry the palm, and the second air flow can be used to dry the back of the hand, which makes the palm dry faster and avoids residual moisture in the palm.

Description

hand dryer

technical field

The invention relates to the field of household electrical appliances, in particular to a hand dryer.

Background technique

In the related technology, the hand dryer does not distinguish the wind temperature and wind speed between the palm and the back of the hand, so that after the user uses the hand dryer, the water in the palm still remains, and the residual water in the palm will cause inconvenience in daily life .

Contents of the invention

The present invention aims to solve at least one of the technical problems existing in the prior art. For this reason, the present invention needs to provide a kind of hand dryer.

A hand dryer according to an embodiment of the present invention includes a first air outlet, a second air outlet and an air supply part, the first air outlet is spaced opposite to the second air outlet, and the air supply part is provided with a first air outlet. An air duct and a second air duct, the first air duct communicates with the first air outlet, the second air duct communicates with the second air outlet, and the air supply part is used to generate The first airflow ejected from the air passage and the first air outlet, and the second airflow ejected through the second air passage and the second air outlet, the temperature of the first airflow is higher than that of the second airflow The temperature of the airflow.

In the hand dryer of the embodiment of the present invention, the temperatures of the airflows ejected from the two opposite air outlets are different, the first airflow can be used to dry the palm, and the second airflow can be used to dry the back of the hand, which makes the drying speed of the palm faster and avoids Remove the residual moisture in the palm.

In one embodiment, the first air outlet is provided with a first nozzle, and the second air outlet is provided with a second nozzle.

In one embodiment, the hand dryer includes an insertion part connected with the air supply part, the insertion part is provided with an insertion slot, and the first air outlet is provided on the first side wall of the insertion slot, so The second air outlet is opened on a second side wall of the insertion slot, and the first side wall is opposite to the second side wall.

In one embodiment, a drainage hole is opened on the third side wall of the insertion groove, and the third side wall connects the first side wall and the second side wall.

In one embodiment, the cross-sectional area of the first air duct is smaller than the cross-sectional area of the second air duct.

In one embodiment, the air supply unit includes a fan, a first heating control unit, a second heating control unit, a first heating device, and a second heating device, and the first heating control unit is electrically connected to the first heating control unit. A heating device, the first heating device is arranged at the air inlet of the first air duct, the second heating control unit is electrically connected to the second heating device, and the second heating device is arranged at the first air duct The air inlet of the second air channel, the fan is used to generate the first air flow and the second air flow.

In one embodiment, the first heating control unit is arranged at the air inlet of the first air duct, and the second heating control unit is arranged at the air inlet of the second air duct.

In one embodiment, the hand dryer includes an air inlet part connected to the air supply part, and the air inlet part is used to introduce airflow into the air supply part.

In one embodiment, the air inlet part is provided with an air inlet passage and an air inlet, and the air inlet passage communicates with the air supply part and the air inlet.

In one embodiment, the length of the first air channel is smaller than the length of the second air channel.

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

Description of drawings

The above and/or additional aspects and advantages of the present invention will become apparent and comprehensible from the description of the embodiments in conjunction with the following drawings, wherein:

Fig. 1 is a schematic cross-sectional view of a hand dryer according to an embodiment of the present invention.

Fig. 2 is another schematic cross-sectional view of the hand dryer according to the embodiment of the present invention.

detailed description

Embodiments of the present invention are described in detail below, examples of which are shown in the 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 by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation indicated by rear, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, etc. The positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, Therefore, it should not be construed as limiting the invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of said features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. connected, or integrally connected. It can be a mechanical connection or an electrical connection. It can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two elements or the interaction relationship between two elements. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

In the present invention, unless otherwise clearly specified and limited, a first feature being "on" or "under" a second feature may include direct contact between the first and second features, and may also include the first and second features Not in direct contact but through another characteristic contact between them. Moreover, "above", "above" and "above" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. "Below", "below" and "under" the first feature to the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is less horizontal than the second feature.

The following disclosure provides many different embodiments or examples for implementing different structures of the present invention. To simplify the disclosure of the present invention, components and arrangements of specific examples are described below. Of course, they are only examples and are not intended to limit the invention. Furthermore, the present disclosure may repeat reference numerals and/or reference letters in different instances, such repetition is for simplicity and clarity and does not in itself indicate a relationship between the various embodiments and/or arrangements discussed. In addition, various specific process and material examples are provided herein, but one of ordinary skill in the art may recognize the use of other processes and/or the use of other materials.

Referring to FIGS. 1-2 , a hand dryer 100 according to an embodiment of the present invention includes a first air outlet 10 , a second air outlet 20 and an air supply part 30 . The first air outlet 10 is spaced opposite to the second air outlet 20 .

The air supply unit 30 defines a first air channel 31 and a second air channel 32 . The first air duct 31 communicates with the first air outlet 10 . The second air channel 32 communicates with the second air outlet 20 . The air blowing part 30 is used to generate a first airflow a jetted through the first air duct 31 and the first air outlet 10 and a second airflow b jetted through the second air duct 32 and the second air outlet 20 . The temperature of the first airflow a is greater than the temperature of the second airflow b.

In the hand dryer 100 of the embodiment of the present invention, the temperatures of the airflows ejected from the two opposite air outlets are different. The first airflow a can be used to dry the palm, and the second airflow b can be used to dry the back of the hand, which makes the drying speed of the palm faster. Fast, avoiding residual moisture in the palms.

In one embodiment, the first air outlet 10 is provided with a first nozzle 11 . The second air outlet 20 is provided with a second nozzle 21 .

Specifically, the first airflow a ejected from the first air outlet 10 is guided and ejected through the nozzle 11, while the second airflow b ejected from the second air outlet 20 is ejected through the nozzle 21, so that the nozzle 11 can , 21 respectively realize the control of the ejection flow velocity and the ejection direction of the first airflow a and the second airflow b, thereby improving the drying effect.

In one embodiment, the hand dryer 100 includes an insertion part 40 connected to the blower part 30 . The insertion portion 40 defines an insertion slot 41 . The first air outlet 10 is opened on the first side wall 411 of the insertion slot 41 . The second air outlet 20 is defined on the second side wall 412 of the insertion slot 41 . The first sidewall 411 is opposite to the second sidewall 412 .

In this way, the first airflow a and the second airflow b generated by the air blower 30 are introduced into the insertion groove 41 of the insertion portion 40 in opposite directions, and the user can place the hand in the insertion groove 41 and make the palm face the first airflow a. and make the back of the hand face the jetting direction of the second airflow b, so as to conveniently complete the drying of the hands.

In one embodiment, the third sidewall 413 of the insertion slot 41 defines a drainage hole 414 (see FIG. 2 ). The third sidewall 413 connects the first sidewall 411 and the second sidewall 412 . Specifically, the third side wall 413 is located at the bottom of the insertion slot 41 , and the first side wall 411 and the second side wall 412 are located at two sides of the bottom of the insertion slot 41 .

In this way, when the user uses the hand dryer 100, the water on the hand and the water condensed after being dried by the first air flow a and the second air flow b can be discharged along the drain hole 414 of the third side wall 413, thereby effectively avoiding water leakage caused by water. Residing in the insertion groove 41 affects the drying effect.

In the embodiment of the present invention, the insertion part 40 is substantially in the shape of a cuboid. It can be understood that, in other embodiments, the insertion part 40 may be in other suitable shapes, such as a cube.

In the embodiment of the present invention, the size of the drainage hole 414 can be set according to specific conditions.

In the embodiment of the present invention, the drainage hole 414 is circular. In this way, it is convenient to process and form, and the structure is simple.

It can be understood that, in other implementation manners, the drainage hole 414 may be in other suitable shapes, such as square or oval.

In one embodiment, the cross-sectional area of the first air duct 31 is smaller than the cross-sectional area of the second air duct 32 .

In this way, the flow velocity of the first airflow a ejected from the first air passage 31 is greater than the flow velocity of the second airflow b ejected from the second air passage 32, thereby increasing the drying speed of the palm and further ensuring the drying effect. For example, when using the first airflow a to dry the palm, since the flow velocity of the first airflow a is relatively high, the time for drying the palm can be shortened while ensuring the drying effect, thereby improving the drying efficiency of the hand dryer 100 .

In one embodiment, the blower unit 30 includes a fan 33 , a first heating control unit 34 , a second heating control unit 35 , a first heating device 36 and a second heating device 37 .

The first heating control unit 34 is electrically connected to the first heating device 36 . The first heating device 36 is disposed at the air inlet 311 of the first air duct 31 . The second heating control unit 35 is electrically connected to the second heating device 37 . The second heating device 37 is disposed at the air inlet 321 of the second air duct 32 . The fan 33 is used to generate the first airflow a and the second airflow b.

Specifically, the first heating control unit 34 controls the first heating device 36 to individually heat the first airflow a, and the second heating control unit 35 controls the second heating device 37 to individually heat the second airflow b. In this way, the first airflow a and the second airflow b are heated separately, so that the temperature of the first airflow a is higher than the temperature of the second airflow b relatively easily.

In one embodiment, the first heating control unit 34 is disposed at the air inlet 311 of the first air duct 31 . The second heating control unit 35 is disposed at the air inlet 321 of the second air duct 32 .

In this way, the first heating control unit 34 is arranged close to the first heating device 36, and the second heating control unit 35 is arranged close to the second heating device 37, so as to realize the control of the temperature of the first airflow a and the second airflow b respectively, and improve The arrangement compactness of the components of the hand dryer 100 is improved, and the installation space is effectively saved, so that the hand dryer 100 with a smaller volume can be prepared and the application range of the hand dryer 100 can be expanded. At the same time, the wind blown by the fan 33 can also dissipate heat for the first heating control unit 34 and the second heating control unit 35 .

In the embodiment of the present invention, the first heating control unit 34 and the second heating control unit 35 may be temperature controllers or temperature sensors. This can simplify the manufacture of the hand dryer 100 , reduce the cost of the hand dryer 100 , and improve the practicability of the hand dryer 100 .

In one embodiment, the hand dryer 100 includes an air inlet 50 connected to the air blower 30 . The air inlet part 50 is used for introducing the airflow into the air blowing part 30 .

In this way, the airflow can be continuously introduced into the air supply part 30 through the air inlet part 50, so as to ensure the continuity of the airflow in the hand dryer 100, thereby ensuring the drying effect.

In one embodiment, the air inlet portion 50 defines an air inlet channel 51 and an air inlet 52 . The air inlet channel 51 communicates with the air supply part 30 and the air inlet 52 .

In this way, the airflow can continuously pass through the air inlet channel 51 from the air inlet 52 and enter the air supply part 30 . The arrangement of the air inlet channel 51 can buffer the air flow, thereby ensuring the stability of the flow velocity of the air flow entering the air supply part 30 .

In one embodiment, the length of the first air channel 31 is smaller than the length of the second air channel 32 .

In this way, the energy loss of the first airflow a in the first air passage 31 is smaller than the energy loss of the second airflow b in the second air passage 32, thereby increasing the temperature of the first airflow a ejected from the first air outlet 10, Thereby further ensuring the drying effect.

In the description of this specification, descriptions that refer to the terms "one embodiment", "some embodiments", "exemplary embodiments", "examples", "specific examples", or "some examples" etc. mean that the embodiments are combined A specific feature, structure, material, or characteristic described or exemplified is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the invention is defined by the claims and their equivalents.

Claims (10)

1. A hand dryer, characterized in that, comprising: first air outlet; a second air outlet spaced opposite to the first air outlet; The air supply part is provided with a first air duct and a second air duct, the first air duct communicates with the first air outlet, and the second air duct communicates with the second air outlet, so The air supply part is used to generate the first airflow ejected through the first air duct and the first air outlet, and the second airflow ejected through the second air duct and the second air outlet, The temperature of the first airflow is greater than the temperature of the second airflow. 2. The hand dryer according to claim 1, wherein the first air outlet is provided with a first nozzle, and the second air outlet is provided with a second nozzle. 3. The hand dryer according to claim 1, characterized in that, the hand dryer comprises an insertion part connected with the air supply part, the insertion part is provided with an insertion slot, and the first air outlet is opened at the The first side wall of the insertion slot, the second air outlet is opened on the second side wall of the insertion slot, and the first side wall is opposite to the second side wall. 4. The hand dryer according to claim 3, characterized in that, the third side wall of the insertion groove is provided with a drainage hole, and the third side wall is connected to the first side wall and the second side wall . 5. The hand dryer according to claim 1, characterized in that, the cross-sectional area of the first air passage is smaller than the cross-sectional area of the second air passage. 6. The hand dryer according to claim 1, wherein the air supply unit comprises a fan, a first heating control unit, a second heating control unit, a first heating device and a second heating device; The first heating control unit is electrically connected to the first heating device, and the first heating device is arranged at the air inlet of the first air duct; The second heating control unit is electrically connected to the second heating device, and the second heating device is arranged at the air inlet of the second air duct; The fan is used to generate the first airflow and the second airflow. 7. The hand dryer according to claim 6, characterized in that, the first heating control unit is arranged at the air inlet of the first air passage, and the second heating control unit is arranged at the air inlet of the second air duct. The air inlet of the channel. 8 . The hand dryer according to claim 1 , characterized in that, the hand dryer comprises an air inlet part connected to the air supply part, and the air inlet part is used to introduce airflow into the air supply part. 9 . The hand dryer according to claim 8 , wherein the air inlet part is provided with an air inlet passage and an air inlet, and the air inlet passage communicates with the air supply part and the air inlet. 10. The hand dryer according to claim 1, characterized in that, the length of the first air passage is smaller than the length of the second air passage.