WO2022156343A1

WO2022156343A1 - Bladeless fan

Info

Publication number: WO2022156343A1
Application number: PCT/CN2021/131732
Authority: WO
Inventors: 樊伟民
Original assignee: 樊伟民
Priority date: 2021-01-20
Filing date: 2021-11-19
Publication date: 2022-07-28
Also published as: JP7324321B2; JP2022112004A; US20220228596A1; CN214247775U

Abstract

A bladeless fan, comprising a fan body (100) and at least three telescopic supports (310). The fan body (100) comprises a base (110), wherein a plurality of guide members (320) are mounted inside the base (110); each guide member (320) is arranged corresponding to each telescopic support (310); the guide members (320) are fixed in the base (110), and are provided with through channels (321); through holes (112) in communication with the through channels (321) are provided in the bottom of the base (110); the through channels (321) are arranged along the height of the base (110); rubber layers (322) are arranged inside the through channels (321); each of the telescopic supports (310) comprises a supporting member (311) and a handheld portion (312) connected to the supporting member (311); the base (110) is provided with guide grooves (111), which are arranged in the height direction of the base (110); the handheld portions (312) penetrate the guide grooves (111) and can move relative to the guide grooves (111); and the supporting members (311) are mounted in the through channels (321), come into contact with the rubber layers (322), and can slide relatively along the through channels (321) and the through holes (112). The bladeless fan can fit an uneven placement face, and is not prone to toppling on the uneven placement face.

Description

a bladeless fan

technical field

The present invention relates to the technical field of fans, and in particular, to a bladeless fan.

Background technique

The bladeless fan is also called the air multiplier. Because the bladeless fan has no blades, it will not cover the dust on the blades, and it can also prevent people's fingers from being hurt. The existing bladeless fans usually cannot adapt to the uneven placement surface, and are prone to overturning on the uneven placement surface.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a bladeless fan, which aims to solve the problem that the bladeless fan is easily toppled on the uneven placement surface.

The present invention is realized in this way:

A bladeless fan, comprising: a fan body and at least three telescopic brackets,

The fan body includes a base, a plurality of guide pieces are installed inside the base, each guide piece is arranged correspondingly with each telescopic bracket, the guide piece is fixed in the base, the guide piece is provided with a through channel, and the bottom of the base is provided with a connection with the through channel. The through hole, the through channel is arranged along the height direction of the base, the inner wall of the through channel is provided with a rubber layer, the telescopic bracket includes a support piece and a hand-held part connected with the support piece, the base is provided with a guide groove, and the guide groove is arranged along the height direction of the base, The handle is penetrated through the guide groove and can move relative to the guide groove, the support piece is installed in the through channel, the support piece is in contact with the rubber layer, and the support piece can slide relatively along the through channel and the through hole.

In a specific embodiment:

The bladeless fan further includes a first temperature sensor, an electric heating device, a second power supply device, a second temperature sensor and a controller;

The second power supply device is electrically connected to the electric heating device. The electric heating device is arranged in the fan body and is used to heat the wind blown by the fan body. The first temperature sensor is connected to the controller for signal connection, and the first temperature sensor is used to detect the ambient temperature and adjust the The information of the ambient temperature is transmitted to the controller, and the controller is used to receive the information of the ambient temperature and control the second power supply device to supply power or power off the electric heating device according to the information of the ambient temperature, thereby controlling the working state of the electric heating device;

The second temperature sensor is signally connected to the controller, the second temperature sensor is used to detect the temperature of the electric heating device and transmit the temperature information of the electric heating device to the controller, and the controller is used to receive the temperature information of the electric heating device and according to the electric heating device The temperature information controls the second power supply device to supply power or power off the electric heating device, so as to control the working state of the electric heating device.

In a specific embodiment:

The fan body also includes a head mounted on the base, and the bladeless fan also includes a power mechanism. The base is provided with a accommodating cavity for accommodating the power mechanism. The accommodating cavity is communicated with the head. Can be ejected through the machine head.

In a specific embodiment: the bladeless fan further includes a triggering unit, the triggering unit is arranged on the fan body, the triggering unit is electrically connected with the controller, the triggering unit is used to detect whether the bladeless fan is operated, and the controller is configured to use To control the working state of the power mechanism when the bladeless fan is operated.

In a specific embodiment:

The trigger unit includes a trigger button, the trigger button is arranged on the fan body, the trigger button is used for detecting whether the trigger button is pressed, and the controller is configured to control the working state of the power mechanism when the trigger button is pressed.

In a specific embodiment: the trigger unit includes a touch element, the touch element is arranged on the fan body, the touch element is used to detect whether the touch element is touched, and the controller is configured to control the power mechanism of the power mechanism when the touch element is touched. working status.

In a specific embodiment: the electric heating device is installed inside the handpiece, and is arranged at the air outlet of the handpiece.

In a specific embodiment: the bladeless fan further comprises a prompter, the prompter is electrically connected with the controller, and the controller is configured to control the working state of the prompter according to the working state of the power mechanism and the working state of the electric heating device.

In a specific embodiment: the bladeless fan is also installed with a Bluetooth module, and the Bluetooth module is signal-connected to the controller.

In a specific embodiment: the handle is in the shape of a rod, the support is in the shape of a rod, and the axis of the handle is perpendicular to the axis of the support.

The beneficial effects of the present invention at least include:

This is the bladeless fan of the application, and the base is provided with a guide groove, and when a force is applied to the hand-held portion, the hand-held portion can move relative to the guide groove. A plurality of guides are installed inside the base, and the guides are provided with a through channel. The movement of the hand-held part drives the support to move along the through channel. Since the through channel is arranged along the height direction of the base, the support can move along the height direction of the base. The inner wall of the channel is provided with a rubber layer, and the support will generate friction when sliding. Only when the force is large enough, the support can be slid out of the through channel and the through hole, so that the support extends out and supports the base. When no force is applied, the support cannot slide relative to the guide due to the obstruction of the rubber layer to the support, so as to ensure that the support will not slide out of the through channel and through hole to support the base when the support is supported. Sliding at will to ensure the stability of the support. Since each telescopic bracket corresponds to a guide, the telescopic height of each telescopic bracket can be independently controlled. When the placement surface of the base is uneven, by adjusting the telescopic height of each telescopic bracket, the base can be stable relative to the horizontal plane. Uneven placement surface is not easy to dump.

Description of drawings

In order to explain the technical solutions of the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the embodiments. It should be understood that the following drawings only show some embodiments of the present invention, and therefore do not It should be regarded as a limitation of the scope, and for those of ordinary skill in the art, other related drawings can also be obtained according to these drawings without any creative effort.

1 is a schematic diagram of the overall structure of a bladeless fan provided by an embodiment of the present invention;

2 is a cross-sectional view of a telescopic support and a base in a first state provided by an embodiment of the present invention;

3 is a cross-sectional view of a telescopic support and a base in a second state provided by an embodiment of the present invention;

4 is a schematic diagram of a first functional module of a bladeless fan provided by an embodiment of the present invention;

5 is a schematic diagram of a second functional module of a bladeless fan provided by an embodiment of the present invention;

6 is a schematic diagram of a third functional module of a bladeless fan provided by an embodiment of the present invention;

FIG. 7 is a schematic diagram of a fourth functional module of a bladeless fan provided by an embodiment of the present invention.

Icon: 10-bladeless fan; 100-fan body; 110-base; 111-guide groove; 112-through hole; 113-accommodating cavity; 120-head; 210-first temperature sensor; 220-electric heating device; 230-second power supply device; 240-second temperature sensor; 250-controller; 260-power mechanism; 270-trigger unit; 280-reminder; 281-second control switch; 290-Bluetooth module; 310-telescopic bracket 311-support; 312-handhold; 320-guide; 321-through channel; 322-rubber layer.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, but not all of them.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. In the present invention, unless otherwise expressly specified and limited, terms such as "installation", "connection" and "arrangement" should be construed in a broad sense.

Example

This embodiment provides a bladeless fan 10 . Please refer to FIG. 1 , which shows a schematic diagram of the overall structure of the bladeless fan 10 .

The bladeless fan 10 includes a fan body 100 , a power mechanism 260 , a first temperature sensor 210 , an electric heating device 220 , a second power supply device 230 , a second temperature sensor 240 , a controller 250 and at least three telescopic supports 310 . The fan body 100 includes a base 110 and a handpiece 120 mounted on the base 110 . The base 110 is provided with a accommodating cavity 113 , and the power mechanism 260 is installed in the accommodating cavity 113 . A blowing port is provided in the circumferential direction of the handpiece 120, and the airflow generated by the power mechanism 260 flows through the blowing passage to blow out the blowing port to form an annular airflow.

2 and 3 , a plurality of guide members 320 are installed inside the base 110 , that is, the guide members 320 are all installed in the accommodating cavity 113 , and the guide members 320 are fixed in the accommodating cavity 113 in the base 110 . In this embodiment, at least three telescopic brackets 310 are provided, the number of guide members 320 is the same as that of the telescopic brackets 310 , and each guide member 320 is provided corresponding to each telescopic bracket 310 .

The guide member 320 is provided with a through channel 321 , the bottom of the base 110 is provided with a through hole 112 that communicates with the through channel 321 , the through channel 321 is arranged along the height direction of the base 110 , and the inner wall of the through channel 321 is provided with a rubber layer 322 , which can expand and contract. The bracket 310 includes a support member 311 and a handle portion 312 connected to the support member 311 . The base 110 is provided with a guide groove 111 . The guide groove 111 is arranged along the height direction of the base 110 , and the handle portion 312 penetrates through the guide groove 111 and can face the guide groove. 111 moves, the support member 311 is installed in the through channel 321 , and the support member 311 can slide relatively along the through channel 321 and the through hole 112 , and the support member 311 is in contact with the rubber layer 322 .

When a force is applied to the handle portion 312 , the handle portion 312 can move relative to the guide groove 111 , that is, the handle portion 312 moves along the height direction of the base 110 , and the movement of the handle portion 312 drives the support member 311 to move along the through channel 321 , since the through channel 321 is also disposed along the height direction of the base 110 , the support member 311 can also move along the height direction of the base 110 . In this embodiment, the handle portion 312 is rod-shaped, the support member 311 is rod-shaped, and the axis of the handle portion 312 is perpendicular to the axis of the support member 311 . In this way, it is more convenient to apply force to the hand-held portion 312 .

Since the inner wall of the through channel 321 is provided with the rubber layer 322, the support member 311 will generate friction when sliding, and only when the force is large enough, the support member 311 can be slid out of the through channel 321 and the through hole 112, so that the support member 311 extends out , to support the base 110 . When there is no force applied, since the rubber layer 322 has elasticity and hinders the support member 311 , the support member 311 cannot slide relative to the guide member 320 , thus ensuring that the support member 311 slides out of the through channel 321 and the through hole 112 after the support member 311 slides out. , when the base 110 is supported, the support member 311 will not slide at will, which ensures the stability of the support.

Since each telescopic bracket 310 corresponds to one guide member 320 , the telescopic height of each telescopic bracket 310 can be independently controlled. When the placement surface of the base 110 is uneven, the telescopic height of each telescopic bracket 310 can be adjusted so that the base 110 can Relatively stable on the horizontal plane. In addition, when the telescopic bracket 310 supports the base 110 , it is also beneficial for the base 110 of the bladeless fan 10 to dissipate heat. In addition, there are at least three telescopic supports 310 in this embodiment, for example, there may be three, four, or five or the like.

In this embodiment, the power mechanism 260 includes an electric motor and a first power supply device electrically connected to the electric motor. The electric motor sucks air into the base 110 and surrounds the handpiece 120 , and its surrounding force drives the air around the handpiece 120 . The air enters the handpiece 120 and is ejected through the air outlet at a high speed. The second power supply device 230 is electrically connected to the electric heating device 220 . The electric heating device 220 is disposed in the fan body 100 and is used for heating the wind blown out of the fan body 100 . In this embodiment, the electric heating device 220 is disposed inside the handpiece 120 and is located at the air outlet of the handpiece 120 , so that the air blown out through the blower can be heated by the electric heating device 220 and become hot air for blowing.

The first temperature sensor 210 is signally connected to the controller 250, and the first temperature sensor 210 is used to detect the ambient temperature and transmit the information of the ambient temperature to the controller 250, and the controller 250 is used to receive the information of the ambient temperature and according to the information of the ambient temperature The second power supply device 230 is controlled to supply power or power off the electric heating device 220 , so as to control the working state of the electric heating device 220 . Among them, the controller 250 can select a PC or a PLC programming controller.

Referring to FIG. 2, in this embodiment, the first temperature sensor 210 detects the outside temperature and transmits the ambient temperature information to the controller 250, and the controller 250 receives the ambient temperature information and determines whether it is lower than a preset value, If it is lower than the preset value, the controller 250 controls the second power supply device 230 to supply power to the electric heating device 220, and the electric heating device 220 heats the wind in the blowing passage and blows hot air from the air outlet; if the controller 250 determines that the ambient temperature is higher than If the preset value is set, the controller 250 controls the second power supply device 230 to power off and does not supply power to the electric heating device 220 , and the air blown out of the air outlet is at a normal temperature and has not been heated.

The second temperature sensor 240 is signally connected to the controller 250. The second temperature sensor 240 is used to detect the temperature of the electric heating device 220 and transmit the temperature information of the electric heating device 220 to the controller 250, and the controller 250 is used to receive the electric heating device. 220 and control the second power supply device 230 to supply power or power off the electric heating device 220 according to the temperature information of the electric heating device 220, so as to control the working state of the electric heating device 220.

If the time in the hot air mode is too long, that is, the electric heating device 220 is in a working state for a long time, the electric heating device 220 will be overheated, and the electric heating device 220 will transfer the temperature heat inside the fan body 100 to the casing of the fan body 100, thereby causing The casing of the bladeless fan 10 is overheating.

The second temperature sensor 240 can detect the temperature of the electric heating device 220 and transmit the temperature to the controller 250. The controller 250 receives the temperature information and determines whether the temperature exceeds the preset value. If it exceeds the preset value, the controller 250 controls the second power supply device 230 and the electric heating device 220 to be powered off, so that the problem of overheating of the casing of the bladeless fan 10 can be avoided. If the preset value is not exceeded, the second power supply device 230 is maintained to supply power to the electric heating device.

Further, please refer to FIG. 3 , in this embodiment, the bladeless fan 10 further includes a trigger unit 270 , the trigger unit 270 is disposed on the fan body 100 , the trigger unit 270 is electrically connected with the controller 250 , and the trigger unit 270 is used for detecting Whether the bladeless fan 10 is operated, the controller 250 is configured to control the working state of the power mechanism 260 when the bladeless fan 10 is operated.

When the trigger unit 270 is operated, the controller 250 controls the working state of the power mechanism 260. Specifically, the controller 250 controls the working state of the power mechanism 260 by controlling the first power supply device to supply power to the electric motor or power off the electric motor. Specifically, the trigger unit 270 in this embodiment may be a trigger button or a touch element. The trigger button has a pressure element, the touch button is installed on the fan body 100, the pressure element in the touch button can detect whether the trigger button is pressed, and the controller 250 is configured to control the operation of the power mechanism when the trigger button is pressed state. The touch element may be a capacitive sensor, the touch element is disposed on the fan body, the touch element is used to detect whether the touch element is touched, and the controller 250 is configured to control the working state of the power mechanism when the touch element is touched.

Optionally, a bluetooth module 290 can be installed on the bladeless fan 10, and the bluetooth module 290 is connected to the controller 250 by signal, please refer to FIG. The controller 250 controls the working state of the fan, for example, controls the working state of the bladeless fan 10 such as blowing, air volume and the like.

Further, in order to conveniently know whether the bladeless fan 10 is producing hot air, the bladeless fan 10 of the present embodiment further includes a prompter 280, and the prompter 280 is electrically connected to the controller 250, and the controller 250 is configured according to the power mechanism The working state of 260 and the working state of the electric heating device 220 control the working state of the prompter 280 , wherein the working state of the electric heating device 220 is determined by whether the second power supply device 230 supplies power to the electric heating device 220 .

That is, if the power mechanism 260 operates together with the electric heating device 220, it means that it is blowing hot air, the power mechanism 260 operates alone, and the electric heating device 220 does not operate, it indicates that the normal wind is blowing.

Referring to FIG. 5 , a second control switch 281 can also be installed on the prompter 280, the prompter 280 is electrically connected with the second control switch 281, and the second control switch 281 is electrically connected with the controller 250. When the power mechanism 260 and the When the electric heating devices 220 are not running, the controller 250 controls the second control switch 281 to be turned off. When the power mechanism 260 is running, the controller 250 controls the second control switch 281 to be turned on, and the prompter 280 can emit sound or light.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

A bladeless fan, comprising: a fan body and at least three telescopic brackets;

The fan body includes a base, a plurality of guides are installed inside the base, each of the guides is arranged corresponding to each of the telescopic brackets, the guides are fixed in the base, and the guides open There is a through channel, the bottom of the base is provided with a through hole communicating with the through channel, the through channel is arranged along the height direction of the base, the inner wall of the through channel is provided with a rubber layer, and the telescopic support includes A support and a hand-held part connected to the support, the base is provided with a guide groove, the guide groove is arranged along the height direction of the base, and the hand-held part is penetrated through the guide groove and can be opposite to the The guide groove moves, the support member is installed in the through channel, the support member is in contact with the rubber layer, and the support member can slide relatively along the through channel and the through hole.
The bladeless fan according to claim 1, wherein the bladeless fan further comprises a first temperature sensor, an electric heating device, a second power supply device, a second temperature sensor and a controller;

The second power supply device is electrically connected to the electric heating device, the electric heating device is arranged in the fan body and is used for heating the wind blown out by the fan body, the first temperature sensor is connected to the controller signal connection, the first temperature sensor is used to detect the ambient temperature and transmit the information of the ambient temperature to the controller, and the controller is used to receive the information of the ambient temperature and control the information according to the information of the ambient temperature The second power supply device supplies power or power off the electric heating device, so as to control the working state of the electric heating device;

The second temperature sensor is signally connected to the controller, and the second temperature sensor is used to detect the temperature of the electric heating device and transmit the temperature information of the electric heating device to the controller, and the control The controller is used for receiving the temperature information of the electric heating device and controlling the second power supply device to supply power or power off the electric heating device according to the temperature information of the electric heating device, so as to control the working state of the electric heating device.
The bladeless fan according to claim 2, wherein the fan body further comprises a machine head mounted on the base, the bladeless fan further comprises a power mechanism, and the base is provided with a power mechanism for accommodating the power The accommodating cavity of the mechanism, the accommodating cavity is communicated with the handpiece, the power mechanism is installed in the accommodating cavity, and the airflow generated by the power mechanism can be ejected through the handpiece.
The bladeless fan according to claim 3, wherein the bladeless fan further comprises a triggering unit, the triggering unit is disposed on the fan body, and the triggering unit is electrically connected with the controller, so that the The trigger unit is configured to detect whether the bladeless fan is operated, and the controller is configured to control the working state of the power mechanism when the bladeless fan is operated.
The bladeless fan according to claim 4, wherein the trigger unit comprises a trigger button, the trigger button is arranged on the fan body, and the trigger button is used to detect whether the trigger button is pressed, The controller is configured to control the operating state of the power mechanism when the trigger button is pressed.
The bladeless fan according to claim 4, wherein the trigger unit comprises a touch element, the touch element is arranged on the fan body, and the touch element is used to detect whether the touch element is touched, The controller is configured to control an operating state of the power mechanism when the touch element is touched.
The bladeless fan according to claim 3, characterized in that, the electric heating device is installed inside the handpiece, and is arranged at the air outlet of the handpiece.
The bladeless fan according to claim 3, wherein the bladeless fan further comprises a prompter, the prompter is electrically connected to the controller, and the controller is configured according to the power mechanism The working state of the electric heating device and the working state of the prompter.
The bladeless fan according to any one of claims 2-8, wherein the bladeless fan is further provided with a Bluetooth module, and the Bluetooth module is signally connected to the controller.
The bladeless fan according to any one of claims 1-9, wherein the handle is in the shape of a rod, the support is in the shape of a rod, and the axis of the handle is perpendicular to the axis of the support .