CN111664107A

CN111664107A - Induction fan

Info

Publication number: CN111664107A
Application number: CN201910177602.7A
Authority: CN
Inventors: 陶春花
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-09
Filing date: 2019-03-09
Publication date: 2020-09-15

Abstract

The invention relates to the technical field of household appliances, in particular to an induction fan which comprises a base, wherein a fan head assembly is supported at the top of the base through a support, rollers are further installed at the bottom of the base, a switch box is arranged on the support, fan blades are fixed on a fan blade hanging frame, a bearing used for supporting the shaft end of the fan blade hanging frame is arranged in the middle of a front mesh enclosure, a distance sensor is uniformly installed on the front face of the front mesh enclosure, and the output end of the distance sensor is connected to a PLC (programmable logic controller) in the switch box. Fan head subassembly adopts the structure of combination formula, and it is convenient to assemble, and when obstacle object was close to and distance between the two exceeded distance sensor's setting value, distance sensor fed back the PLC controller in the switch box with the signal of telecommunication, and PLC controller control driving motor cuts off the power supply, has promoted the security performance of device, avoids children to point to insert fan head subassembly inside and by the hidden danger of hank disconnected.

Description

Induction fan

Technical Field

The invention relates to the technical field of household appliances, in particular to an induction fan.

Background

The fan mainly comprises a fan head, fan blades, a mesh enclosure, a control device and the like. The fan head comprises a motor, front and rear end covers, a head-shaking air supply mechanism and the like. The main components of the electric fan are: an AC motor. The working principle is as follows: the electrified coil is forced to rotate in the magnetic field. Electrical energy is converted into mechanical energy, while due to the coil resistance, inevitably a part of the electrical energy is converted into thermal energy. Today's electric fans have changed the traditional image in people's impression, and are more pursuing individuation in appearance and function.

The inventor of the present invention has found, through research, that the safety performance of the conventional fan is not ideal, and when an obstacle approaches the mesh enclosure, the fan blades cannot stop running, so that certain potential safety hazards are generated.

Disclosure of Invention

In order to make up for the above disadvantages, the present invention provides an induction fan, which aims to solve the problem that the conventional fan has a certain potential safety hazard because the blades cannot stop running when an obstacle approaches the mesh enclosure.

The technical scheme of the invention is as follows: the utility model provides an induction fan, includes the base, the top of base supports fan head subassembly through the support, the gyro wheel is still installed to the bottom of base, be provided with the switch box on the support, fan head subassembly is including the cover body, the front of the cover body has preceding screen panel through hinge mechanism swing joint, the back of the cover body also has back screen panel through hinge mechanism swing joint, the back mounted of back screen panel has actuating mechanism, actuating mechanism's output is connected with the flabellum stores pylon, be fixed with the flabellum on the flabellum stores pylon, the middle part of preceding screen panel is provided with the bearing that is used for supporting flabellum stores pylon axle head, the positive even distance sensor of installing of preceding screen panel, distance sensor's output is connected to the PLC controller in the switch box.

As a further optimization of the technical scheme, through holes are formed in the edges of the front mesh enclosure and the rear mesh enclosure, and the front mesh enclosure and the rear mesh enclosure are fixed through screws, so that the front mesh enclosure and the rear mesh enclosure are convenient to disassemble and assemble.

As a further optimization of the technical scheme, the driving mechanism comprises a motor protective shell fixed on the rear mesh enclosure, a driving motor is arranged inside the motor protective shell, the output end of the driving motor is connected to the fan blade hanging frame, and the motor protective shell has a certain protection effect on the driving motor.

As a further optimization of the technical scheme, the hinge mechanism is a hinge mechanism, and the cover body is cylindrical.

As a further optimization of the technical scheme, the fan blade hanging rack and the fan blades are located between the front net cover and the rear net cover, the fan blades are fixed on the fan blade hanging rack through the fan blade covers, and a combined structure is adopted for assembly.

As a further optimization of the technical scheme, the motor protective shell is of a cylinder structure with one closed end and is fixed through screws.

Compared with the prior art, the invention has the beneficial effects that: the invention relates to an induction fan, which is improved on the basis of the prior art, a fan head component adopts a combined structure, is convenient and fast to assemble, and is characterized in that a distance sensor is uniformly arranged on the front surface of a front mesh enclosure.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural diagram of a fan head assembly according to the present invention;

FIG. 3 is a schematic view of a front mesh enclosure according to the present invention;

fig. 4 is a schematic view of a rear mesh enclosure structure according to the present invention.

In the figure: 1-a base; 2-a scaffold; 3-a fan head assembly; 4-a roller; 5-a switch box; 6-cover body; 7-front net cover; 8-a bearing; 9-rear net cover; 10-motor protection shell; 11-a drive motor; 12-a fan blade hanger; 13-fan blades; 14-fan blade covers; 15-distance sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an induction fan comprises a base 1, wherein a fan head component 3 is supported at the top of the base 1 through a support 2, rollers 4 are further mounted at the bottom of the base 1, a switch box 5 is arranged on the support 2, the fan head component 3 comprises a cover body 6, the front of the cover body 6 is movably connected with a front mesh enclosure 7 through a hinge mechanism, the back of the cover body 6 is also movably connected with a rear mesh enclosure 9 through the hinge mechanism, a driving mechanism is mounted at the back of the rear mesh enclosure 9 and electrically connected to the switch box 5, the output end of the driving mechanism is connected with a fan blade hanging rack 12, fan blades 13 are fixed on the fan blade hanging rack 12, a bearing 8 for supporting the shaft end of the fan blade hanging rack 12 is arranged in the middle of the front mesh enclosure 7, a distance sensor 15 is uniformly mounted at the front of the front mesh enclosure 7, and the output end of the distance sensor 15 is connected to a PLC, according to the distance measuring principle of the distance sensor 15, when an obstacle approaches and the distance between the obstacle and the distance exceeds the set value of the distance sensor 15, the distance sensor 15 feeds back an electric signal to the PLC controller in the switch box 5, the PLC controller controls the driving motor 11 to be powered off, and when the distance between the obstacle and the distance sensor 15 exceeds the set value, the PLC controller controls the driving motor 11 to be powered on, so that the safety performance of the device is improved.

Specifically, the through holes are formed in the edges of the front mesh enclosure 7 and the rear mesh enclosure 9, and the front mesh enclosure 7 and the rear mesh enclosure 9 are fixed through screws and are convenient to disassemble and assemble.

Specifically, actuating mechanism is including fixing the motor protecting crust 10 on the screen panel 9 of back, motor protecting crust 10 internally mounted has driving motor 11, and driving motor 11's output is connected to flabellum stores pylon 12, and motor protecting crust 10 has certain guard action to driving motor 11.

Specifically, the hinge mechanism is a hinge mechanism, and the cover body 6 is cylindrical.

Specifically, the fan blade hanger 12 and the fan blade 13 are located between the front mesh enclosure 7 and the rear mesh enclosure 9, and the fan blade 13 is fixed on the fan blade hanger 12 through the fan blade cover 14 and assembled by adopting a combined structure.

Specifically, the motor protective shell 10 is a cylinder structure with one closed end, and the motor protective shell 10 is fixed by a screw.

It is specific, improve on prior art's basis, fan head subassembly 3 adopts the structure of combination formula, it is convenient to assemble, through the positive even distance sensor 15 of installing of screen panel 7 in the front, according to distance measuring principle of distance sensor 15, when obstacle is close to and distance between the two surpasss distance sensor 15's setting value, distance sensor 15 feeds back the PLC controller in switch box 5 with the signal of telecommunication, PLC controller control driving motor 11 cuts off the power supply, when distance between obstacle and distance sensor 15 surpasss the setting value, PLC controller control driving motor 11 circular telegram, the security performance of device has been promoted, avoid children to point to insert fan head subassembly 3 inside and the hidden danger of being twisted up absolutely.

It should be noted that the specific model specifications of the distance sensor 15, the PLC controller, and the driving motor 11 need to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, so detailed description is omitted.

The power supply of the distance sensor 15, the PLC controller and the drive motor 11 and their principle will be clear to a person skilled in the art and will not be described in detail here.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an induction fan, includes base (1), fan head subassembly (3) are supported through support (2) at the top of base (1), gyro wheel (4) are still installed to the bottom of base (1), be provided with switch box (5), its characterized in that on support (2): fan head subassembly (3) are including the cover body (6), screen panel (7) before the front of the cover body (6) has through hinge mechanism swing joint, screen panel (9) after the back of the cover body (6) also has through hinge mechanism swing joint, the back mounted of back screen panel (9) has actuating mechanism, actuating mechanism's output is connected with flabellum stores pylon (12), be fixed with flabellum (13) on flabellum stores pylon (12), the middle part of preceding screen panel (7) is provided with bearing (8) that are used for supporting flabellum stores pylon (12) axle head, the positive even distance sensor (15) of installing of preceding screen panel (7), the output of distance sensor (15) is connected to the PLC controller in switch box (5).

2. The induction fan as claimed in claim 1, wherein: the edge of the front mesh enclosure (7) and the edge of the rear mesh enclosure (9) are provided with through holes, and the front mesh enclosure (7) and the rear mesh enclosure (9) are fixed through screws.

3. The induction fan as claimed in claim 1, wherein: the driving mechanism comprises a motor protective shell (10) fixed on the rear mesh enclosure (9), a driving motor (11) is installed inside the motor protective shell (10), and the output end of the driving motor (11) is connected to the fan blade hanging rack (12).

4. The induction fan as claimed in claim 1, wherein: the hinge mechanism is a hinge mechanism, and the cover body (6) is cylindrical.

5. The induction fan as claimed in claim 1, wherein: fan blade stores pylon (12) and flabellum (13) are located between preceding screen panel (7) and back screen panel (9), flabellum (13) are fixed on fan blade stores pylon (12) through flabellum lid (14).

6. An induction fan as claimed in claim 3, wherein: the motor protective shell (10) is of a cylinder structure with one closed end, and the motor protective shell (10) is fixed through a screw.