Humidifying fan adopting hidden spraying water pipe

Abstract

The invention discloses a humidifying fan adopting a hidden spraying water pipe. The humidifying fan comprises a spraying head, a motor and fan blades. The motor comprises a hollow motor shaft, knurls are arranged on the hollow motor shaft, and a motor iron core is fixed to the knurls in a tight fit mode. A motor shell is arranged on the periphery of the motor iron core, and a motor magnet is arranged in the motor shell. The motor shell can rotate relative to the hollow motor shaft; one end of the hollow motor shaft is connected with the spraying head, and a water through hole is formed in the other end of the hollow motor shaft; the fan blades are arranged on the motor shell in a close fit mode. While the motor shell rotates to drive the fan blades to rotate, water is supplied through the hollow motor shaft, power and water are supplied to the spraying head, the hollow motor shaft cannot rotate, a water pipe can be effectively hidden, and meanwhile normal operation of the spraying function is guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field of humidifying fans, and in particular to a humidifying fan using a hidden spray water pipe. Background Art

[0002] The current spray fan products on the market have a significant design shortcoming, that is, the water pipes for supplying water to the spray head are usually exposed directly in front of the fan blades, affecting the overall aesthetics of the fan. The current layout of the water pipes of the spray fan fails to achieve good visual concealment. Therefore, it is particularly important to develop a humidification fan structure that can effectively hide the water pipes while ensuring the normal operation of the spray function. Summary of the invention

[0003] The purpose of the present invention is to address the deficiencies of the prior art and provide a humidifying fan using a hidden spray water pipe, which can effectively hide the water pipe and ensure the normal operation of the spray function.

[0004] The present invention provides a humidifying fan using a hidden spray water pipe, comprising: a spray head, a motor and a fan blade; the motor comprises a hollow motor shaft, the hollow motor shaft is provided with knurling, and a motor core is fixed to the knurling by tight fit; a motor housing is provided on the periphery of the motor core, and a motor magnet is provided in the motor housing; the motor housing can rotate relative to the hollow motor shaft; one end of the hollow motor shaft is connected to the spray head, and the other end of the hollow motor shaft is provided with a water hole; the fan blade is tightly fitted on the motor housing. The hollow motor shaft is used for water supply to realize power supply and water supply to the spray head, and the hollow motor shaft does not rotate.

[0005] Furthermore, the spray head includes a spray head front decorative plate, an atomizing intermediate isolation plate, a spray head rear cover, a rendering light ring and a hollow connecting rod; the atomizing intermediate isolation plate is arranged between the spray head front decorative plate and the spray head rear cover, the rendering light ring is arranged on the atomizing intermediate isolation plate, the hollow connecting rod is connected to the spray head rear cover, and a leakproof sealing ring is arranged at the connection position between the hollow connecting rod and the hollow motor shaft. Alternatively, the hollow motor shaft and the spray head are connected by a PVC water pipe and screws.

[0006] Furthermore, a concentric positioning bearing is provided at one end of the motor housing close to the spray head, and the concentric positioning bearing is arranged on the hollow motor shaft; a motor drive board mounting fixing plate is provided at the other end of the motor housing, and a motor drive board is arranged on the motor drive board mounting fixing plate, and an insulating layer is provided between the motor drive board mounting fixing plate and the motor drive board.

[0007] Furthermore, a motor drive plate mounting plate positioning spring is provided on the hollow motor shaft, and the motor drive plate mounting plate and the motor drive plate are respectively located on both sides of the motor drive plate mounting plate positioning spring and are connected and fixed by screws.

[0008] Furthermore, flat openings are provided on both sides of the area on the hollow motor shaft where the motor drive plate and the fixing plate are installed, and a hollow shaft power supply line perforation groove is provided above the area.

[0009] Furthermore, a fixing retaining ring is provided at the end of the hollow motor shaft opposite to the spray head, a positioning hole is provided on the fan mounting frame, the fan mounting frame is mounted on the hollow motor shaft through the positioning hole, and the fan mounting frame is fixed to the hollow motor shaft through the fixing retaining ring.

[0010] Furthermore, the humidifying fan using the hidden spray water pipe also includes a power supply board and a drive board of a DC variable frequency brushless motor. The power supply board uses a wide voltage of 100V to 265V to supply power to the motor drive board and the drive board.

[0011] Furthermore, the fan is provided with a humidity sensor, and the humidity sensor is connected to the motor drive board; the motor drive board converts the collected humidity data into a switch or size signal to control the switch of the spray head or the size of the spray amount;

[0012] The humidity sensor is used to collect humidity values;

[0013] The motor drive board is used to obtain the humidity value; determine whether the humidity value is within the range of 40 to 70; if the humidity value exceeds 70, turn off the spray head; if the humidity value is lower than 40, turn on the spray head; the motor drive board is also used to receive a set humidity value; and adjust the spray volume of the spray head according to the set humidity value.

[0014] The present invention has the following beneficial effects: the present invention provides a humidifying fan using a hidden spray water pipe. While the motor housing rotates to drive the fan blades to rotate, a hollow motor shaft is used to supply water to realize power supply and water supply to the spray head. The water pipe can be effectively hidden while ensuring the normal operation of the spray function. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1It is a schematic diagram of the structure of a humidifying fan using a hidden spray water pipe of the present invention;

[0017] Figure 2 This is a schematic diagram of the flat end on the hollow motor shaft and the hole for the power supply wire of the hollow shaft.

[0018] Illustrations: 1-hollow motor shaft; 2-motor housing; 3-concentric positioning bearing; 4-motor drive board mounting plate; 5-motor drive board; 6-insulating layer; 7-motor drive board mounting plate positioning retaining spring; 8-knurling; 9-hollow shaft power supply line perforation slot; 10-flat mouth; 11-fixing retaining spring; 12-screw; 13-positioning hole; 14-water hole; 15-spray head front decorative plate; 16-atomizing middle isolation plate; 17-spray head rear cover; 18-rendering light ring; 19-hollow connecting rod; 20-leak-proof sealing ring; 21-motor magnet. DETAILED DESCRIPTION

[0019] It should be noted that, in the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments. It should be noted that the following detailed descriptions are all illustrative and are intended to provide further explanation of the present application. Unless otherwise specified, all technical and scientific terms used herein have the same meanings as those generally understood by those of ordinary skill in the art to which the present application belongs.

[0020] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0021] Now, exemplary embodiments according to the present application will be described in more detail with reference to the accompanying drawings. However, these exemplary embodiments can be implemented in a variety of different forms and should not be interpreted as being limited to the embodiments described herein. It should be understood that these embodiments are provided to make the disclosure of the present application thorough and complete, and to fully convey the concepts of these exemplary embodiments to those of ordinary skill in the art. In the accompanying drawings, for clarity, the thickness of the layers and regions is enlarged, and the same reference numerals are used to represent the same devices, so their description will be omitted.

[0022] See also Figure 1 to Figure 2 An embodiment of the present invention provides a humidifying fan using a hidden spray water pipe, including: a spray head, a motor and a fan blade.

[0023] The motor includes a hollow motor shaft 1, on which a knurling 8 is arranged, and a motor core is fixed on the knurling 8 by tight fit; the knurling 8 can be a straight knurling or a mesh knurling. The motor core is tightly fitted with the hollow motor shaft 1 through the knurling 8.

[0024] A motor casing 2 is arranged outside the motor core, and a motor magnet 21 is arranged inside the motor casing 2; the motor casing 2 can rotate relative to the hollow motor shaft 1, one end of the hollow motor shaft 1 is connected to the spray head, and the other end of the hollow motor shaft 1 is provided with a water hole 14; the fan blades are tightly fitted on the motor casing 2, and the rotation of the motor casing 2 drives the fan blades to rotate, thereby realizing power supply and water supply to the spray head.

[0025] Specifically, the spray head includes a spray head front decorative plate 15, an atomizing intermediate isolation plate 16, a spray head rear cover 17, a rendering light ring 18 and a hollow connecting rod 19; the atomizing intermediate isolation plate 16 is arranged between the spray head front decorative plate 15 and the spray head rear cover 17, the rendering light ring 18 is arranged on the atomizing intermediate isolation plate 16, the hollow connecting rod 19 is connected to the spray head rear cover 17, and a leakproof sealing ring 20 is arranged at the connection position between the hollow connecting rod 19 and the hollow motor shaft 1. Alternatively, the hollow motor shaft 1 and the spray head are connected by means of PVC water pipes and screws.

[0026] In this embodiment, the spray head can use the electronic spray of the atomizer to easily achieve constant humidity control, and can also use the spray head of the sprayer to achieve efficient spray cooling, which can be applied to rapid cooling outdoors such as tourist attractions and milk tea shops. The electronic atomizer can use a multi-spray head method as needed to increase the atomization volume and also increase the viewing effect.

[0027] Specifically, a concentric positioning bearing 3 is provided at one end of the motor housing 2 close to the spray head, and the concentric positioning bearing 3 is provided on the hollow motor shaft 1; a motor drive board mounting fixing plate 4 is provided at the other end of the motor housing 2, and a motor drive board 5 is provided on the motor drive board mounting fixing plate 4, and an insulating layer 6 is provided between the motor drive board mounting fixing plate 4 and the motor drive board 5. A motor drive board mounting fixing plate positioning retaining spring 7 is provided on the hollow motor shaft 1, and the motor drive board mounting fixing plate 4 and the motor drive board 5 are respectively located on both sides of the motor drive board mounting fixing plate positioning retaining spring 7 and are connected and fixed by screws 12. Flat mouths 10 are provided on both sides of the area on the hollow motor shaft 1 where the motor drive board mounting fixing plate 4 is installed, and the flat mouth 10 can prevent the motor drive board mounting fixing plate 4 from rotating, and a hollow shaft power supply line perforation groove 9 is provided above the area. A fixing spring 11 is provided at the end of the hollow motor shaft 1 opposite to the spray head, and a positioning hole 13 is provided on the fan mounting frame. The fan mounting frame is mounted on the hollow motor shaft 1 through the positioning hole 13 , and the fan mounting frame is fixed to the hollow motor shaft 1 through the fixing spring 11 .

[0028] The humidifying fan using the hidden spray water pipe also includes a power board (not shown), a drive board of a DC variable frequency brushless motor, referred to as a drive board (not shown), and the power board uses a wide voltage of 100V to 265V to power the motor drive board 5 and the drive board. The fan is provided with a humidity sensor (not shown), which is connected to the motor drive board 5; the motor drive board converts the collected humidity data into a switch or size signal to control the switch of the spray head or the size of the spray amount.

[0029] The humidity sensor is used to collect humidity values; the motor drive board 5 is used to obtain humidity values; determine whether the humidity value is within the range of 40 to 70; if the humidity value exceeds 70, turn off the spray head; if the humidity value is lower than 40, turn on the spray head; the motor drive board 5 is also used to receive the set humidity value; and adjust the spray volume of the spray head according to the set humidity value. In addition to being applied to industrial fans, the present invention is particularly suitable for humidification of household fans, and through automatic detection of humidity, automatically controls the humidity in the room to be kept within the most comfortable humidity range of 40 to 70 for the human body, truly realizing humidification of the entire room.

[0030] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0031] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein, for example.

[0032] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A humidifying fan using a hidden spray water pipe, characterized in that: include: Spray head, motor and fan blade; The motor comprises a hollow motor shaft (1), the hollow motor shaft (1) is provided with a knurl (8), and a motor core is fixed to the knurl (8) by tight fit; a motor housing (2) is provided on the periphery of the motor core, and a motor magnet (21) is provided in the motor housing (2); the motor housing (2) is capable of rotating relative to the hollow motor shaft (1); one end of the hollow motor shaft (1) is connected to the spray head, and the other end of the hollow motor shaft (1) is provided with a water hole (14); the fan blade is tightly fitted on the motor housing (2).

2. A humidifying fan using a hidden spray water pipe as claimed in claim 1, characterized in that: The spray head comprises a spray head front decorative plate (15), an atomizing intermediate isolation plate (16), a spray head rear cover (17), a rendering light ring (18) and a hollow connecting rod (19); the atomizing intermediate isolation plate (16) is arranged between the spray head front decorative plate (15) and the spray head rear cover (17), the rendering light ring (18) is arranged on the atomizing intermediate isolation plate (16), the hollow connecting rod (19) is connected to the spray head rear cover (17), and a leak-proof sealing ring (20) is arranged at the connection position between the hollow connecting rod (19) and the hollow motor shaft (1); or, the hollow motor shaft (1) and the spray head are connected by a PVC water pipe and screws.

3. A humidifying fan using a hidden spray water pipe as claimed in claim 2, characterized in that: A concentric locating bearing (3) is arranged at one end of the motor housing (2) close to the spray head, and the concentric locating bearing (3) is arranged on the hollow motor shaft (1); a motor drive board mounting fixing plate (4) is arranged at the other end of the motor housing (2), a motor drive board (5) is arranged on the motor drive board mounting fixing plate (4), and an insulating layer (6) is arranged between the motor drive board mounting fixing plate (4) and the motor drive board (5).

4. A humidifying fan using a hidden spray water pipe as claimed in claim 3, characterized in that: The hollow motor shaft (1) is provided with a motor drive plate mounting plate positioning spring (7), and the motor drive plate mounting plate (4) and the motor drive plate (5) are respectively located on both sides of the motor drive plate mounting plate positioning spring (7) and are connected and fixed by screws (12).

5. A humidifying fan using a hidden spray water pipe as claimed in claim 4, characterized in that: Flat openings (10) are arranged on both sides of the area on the hollow motor shaft (1) where the motor drive board mounting fixing plate (4) is mounted, and a hollow shaft power supply line perforation groove (9) is arranged above the area.

6. A humidifying fan using a hidden spray water pipe as claimed in claim 5, characterized in that: A fixing spring (11) is provided at the end of the hollow motor shaft (1) opposite to the spray head, and a positioning hole (13) is provided on the fan mounting frame. The fan mounting frame is mounted on the hollow motor shaft (1) through the positioning hole (13), and the fan mounting frame is fixed to the hollow motor shaft (1) through the fixing spring (11).

7. A humidifying fan using a hidden spray water pipe as claimed in claim 6, characterized in that: It also includes a power supply board and a drive board for a DC variable frequency brushless motor. The power supply board uses a wide voltage range of 100V to 265V to supply power to the motor drive board (5) and the drive board.

8. A humidifying fan using a hidden spray water pipe as claimed in claim 7, characterized in that: The fan is provided with a humidity sensor, and the humidity sensor is connected to the motor drive board (5); the motor drive board converts the collected humidity data into a switch or size signal to control the switch of the spray head or the size of the spray amount; The humidity sensor is used to collect humidity values; The motor drive board (5) is used to obtain the humidity value; determine whether the humidity value is within the range of 40 to 70; if the humidity value exceeds 70, turn off the spray head; if the humidity value is lower than 40, turn on the spray head; the motor drive board (5) is also used to receive a set humidity value; and adjust the spray volume of the spray head according to the set humidity value.

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