CN218118104U

CN218118104U - Intelligent control ventilation fan

Info

Publication number: CN218118104U
Application number: CN202222383330.6U
Authority: CN
Inventors: 何仁林
Original assignee: Wenzhou Yudong Electrical Appliance And Sanitary Ware Co ltd
Current assignee: Wenzhou Yudong Electrical Appliance And Sanitary Ware Co ltd
Priority date: 2022-09-07
Filing date: 2022-09-07
Publication date: 2022-12-23
Anticipated expiration: 2032-09-07

Abstract

The utility model relates to a scavenger fan technical field especially discloses an intelligent control scavenger fan, including face lid, flabellum, motor and main part support, flabellum and motor are all installed on the main part support, the output shaft fixed connection of flabellum and motor still includes radar induction system, radar induction system includes the circuit board and sets up the radar response module on the circuit board, the motor is connected with the circuit board electricity, be provided with the mount pad of power supply circuit board installation on the main part support, circuit board and motor are located the relative both sides of mount pad respectively, be provided with the through-hole that supplies the wire to pass on the mount pad. By adopting the scheme, the ventilation fan with the radar sensing function is provided, and is simple in structure and attractive in appearance.

Description

Intelligent control ventilation fan

Technical Field

The utility model relates to a scavenger fan technical field, especially an intelligent control scavenger fan.

Background

At present, a ventilator is an air conditioning appliance which drives blades to rotate by a motor to drive airflow so as to exchange indoor air and outdoor air. Also known as a ventilating fan. Ventilation is performed to remove dirty air from the room and to adjust the temperature and humidity. The ventilating fan is widely applied to families and public places. The generation of the ventilation fan is related to the humid weather in coastal areas, the existing ventilation fan stops rotating after a switch is turned off, and the ventilation cannot be continued after people walk, and in conclusion, a ventilation fan capable of controlling humidity is urgently needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a ventilator with radar response function, simple structure and beautiful appearance.

In order to realize the purpose, the utility model discloses a technical scheme is: the utility model provides an intelligent control scavenger fan, includes face lid, flabellum, motor and main part support, flabellum and motor are all installed on the main part support, the output shaft fixed connection of flabellum and motor still includes radar induction system, radar induction system includes circuit board and sets up the radar response module on the circuit board, the motor is connected with the circuit board electricity, be provided with the mount pad that supplies the circuit board installation on the main part support, circuit board and motor are located the relative both sides of mount pad respectively, be provided with the through-hole that supplies the wire to pass on the mount pad, the motor outside has a casing, be provided with a plurality of reference columns on the mount pad, be provided with first connecting hole on the mount pad, be provided with the second connecting hole that corresponds with first connecting hole on the casing, first connecting hole passes through the screw connection with the second connecting hole, the tip of first connecting hole has the counter bore that supplies the head holding of screw.

As a further setting of the utility model, the main part support includes that annular body and periphery profile are greater than the enlarged body of annular body, the outer peripheral face of annular body is provided with the external screw thread, threaded connection has the fastener on the annular body, enlarge the space between body and the fastener and constitute the centre gripping chamber.

As a further setting of the utility model, the mount pad is located the annular body, the external diameter of mount pad is less than the internal diameter of annular body, there is the space to constitute the ventilation passageway between the outer wall of mount pad and the inner wall of annular body, be connected through protruding muscle between mount pad and the annular body.

As the utility model discloses a further setting, the relative both sides of mount pad outwards extend respectively and form first rampart and second rampart, first rampart forms the installation cavity of power supply circuit board installation with the face lid butt, be provided with the bleeder vent that makes installation cavity and ventilation channel intercommunication on the first rampart, the second rampart forms the inner chamber of power supply machine installation.

As a further setting of the utility model, be provided with the strengthening rib on the inner wall of second rampart, the circumference interval distribution of second rampart is followed to the strengthening rib.

As a further setting of the utility model, radar induction system still includes the singlechip and for the power supply circuit of singlechip power supply, be connected with resistance R2 and emitting diode D1 between the PA7 pin of singlechip and the VDD pin, be connected with resistance R6 and emitting diode D2 on the PA0 pin, be connected with optoelectronic coupler U1 and bidirectional thyristor Q1 between resistance R6 and the emitting diode D2, be connected with electron R7 and variable resistance R13 on the PA3 pin, be connected with radar response module Q9 on the PA6 pin.

As a further setting of the utility model, the power supply circuit comprises a full-bridge rectification circuit and a voltage reduction chip IC3.

Adopt above-mentioned structure, whether someone is detected with radar response module for control the start and stop of scavenger fan realizes intelligent control, satisfies the needs of different environment, and overall arrangement is reasonable, reduces the volume, and is convenient nimble.

The present invention will be further described with reference to the accompanying drawings.

Drawings

FIG. 1 is a side view of the structure of an embodiment of the present invention;

FIG. 2 isbase:Sub>A cross-sectional view A-A of FIG. 1;

FIG. 3 is a schematic structural view of a main body frame according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of a main body frame according to an embodiment of the present invention;

FIG. 5 is a circuit diagram of an embodiment of the present invention;

fig. 6 is a circuit diagram of an embodiment of the present invention.

Detailed Description

The utility model discloses a concrete embodiment is shown in fig. 1-6, an intelligent control scavenger fan, including face lid 1, flabellum 2, motor 3 and main part support 4, flabellum 2 and motor 3 are all installed on main part support 4, flabellum 2 and motor 3's output shaft fixed connection still include radar induction system, radar induction system includes circuit board (drawing does not show) and sets up the radar response module on the circuit board, motor 3 is connected with the circuit board electricity, be provided with the mount pad 41 that supplies the circuit board installation on main part support 4, circuit board and motor 3 are located the relative both sides of mount pad 41 respectively, be provided with the through-hole 411 that supplies the wire to pass on the mount pad 41, the motor 3 outside has a casing 31, be provided with a plurality of reference columns 412 on the mount pad 41, be provided with first connecting hole 413 on the mount pad 41, be provided with the second connecting hole 311 that corresponds with first connecting hole 413 on the casing 31, first connecting hole 413 passes through screw connection with second connecting hole 311, the tip of first connecting hole 413 has the counter bore 4131 that supplies the head holding of first connecting hole 413. When the screw is connected, the head of the screw is embedded in the counter bore 4131, the highest position is flush with or lower than the end face of the mounting seat 41, the influence on the installation of the circuit board is avoided, the number of the first connecting holes 413 is preferably two, and the circuit board is provided with positioning holes matched with the positioning columns 412, so that the fixing is convenient.

The main body bracket 4 comprises an annular body 414 and an enlarged body 415 with a peripheral outline larger than that of the annular body 414, wherein an external thread 4141 is arranged on the peripheral surface of the annular body 414, a fastening member 4142 is connected to the annular body 414 in a threaded manner, and a clamping cavity 4143 is formed by a gap between the enlarged body 415 and the fastening member 4142. The external threads 4141 are distributed along the axial direction of the annular body 414, the gap between the expanded body 415 and the fastener 4142 is adjustable, the installation site with different thicknesses can be adapted, the fastener 4142 is of a nut-like structure, the connection is convenient, and the installation is rapid.

The mounting seat 41 is located in the annular body 414, the outer diameter of the mounting seat 41 is smaller than the inner diameter of the annular body 414, a gap exists between the outer wall of the mounting seat 41 and the inner wall of the annular body 414 to form a ventilation channel 42, and the mounting seat 41 is connected with the annular body 414 through a convex rib 43. The ribs 43 are distributed at intervals along the circumferential direction of the mounting base 41, so that sufficient ventilation channels 42 are reserved, and the ventilation channels 42 are communicated with air inlet holes formed in the face cover 1.

The two opposite sides of the mounting seat 41 respectively extend outwards to form a first annular wall 416 and a second annular wall 417, the first annular wall 416 is abutted to the surface cover 1 to form a mounting cavity 44 for mounting a circuit board, the first annular wall 416 is provided with a vent hole 4161 for communicating the mounting cavity 44 with the ventilation channel 42, and the second annular wall 417 forms an inner cavity 45 for mounting the motor 3. Setting up of bleeder vent 4161 can make things convenient for air admission installation cavity 44, the radar response module of being convenient for detects, installation cavity 44 is relative confined space again simultaneously, avoid the circuit board transition to expose, influence the life and the safety of components and parts, play dustproof and waterproof's effect, bleeder vent 4161 is the rectangular shape along the axial distribution of first rampart 416, bleeder vent 4161 can be a plurality of bleeder vents 4161 groups that constitute length and differ, setting up of second rampart 417 can increase area of contact, make the more stable of motor 3 installation.

Reinforcing ribs 4171 are arranged on the inner wall of the second annular wall 417, and the reinforcing ribs 4171 are distributed at intervals along the circumferential direction of the second annular wall 417. The plurality of ribs 4171 provide a fastening force for holding the motor 3 or the housing 31 to which the motor 3 is attached.

The radar sensing device further comprises a single chip microcomputer and a power circuit for supplying power to the single chip microcomputer, a resistor R2 and a light emitting diode D1 are connected between a PA7 pin and a VDD pin of the single chip microcomputer, a resistor R6 and a light emitting diode D2 are connected to a PA0 pin, a photoelectric coupler U1 and a bidirectional thyristor Q1 are connected between the resistor R6 and the light emitting diode D2, an electron R7 and a variable resistor R13 are connected to a PA3 pin, and a radar sensing module Q9 is connected to the PA6 pin.

The power supply circuit comprises a full-bridge rectification circuit and a voltage reduction chip IC3. The power circuit is connected with a VDD pin of the singlechip after rectification, voltage reduction and voltage stabilization.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations and positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

The utility model discloses do not confine the above-mentioned embodiment to, the general technical personnel in this field can adopt other multiple embodiments to implement according to the utility model discloses a, perhaps all adopt the utility model discloses a design structure and thinking do simple change or change, all fall into the utility model discloses a protection scope.

Claims

1. The utility model provides an intelligent control scavenger fan, includes face lid, flabellum, motor and main body support, flabellum and motor are all installed on main body support, the output shaft fixed connection of flabellum and motor, its characterized in that: still include radar induction system, radar induction system includes the circuit board and sets up the radar response module on the circuit board, the motor is connected with the circuit board electricity, be provided with the mount pad of power supply circuit board installation on the main part support, circuit board and motor are located the relative both sides of mount pad respectively, be provided with the through-hole that supplies the wire to pass on the mount pad, the motor outside has a casing, be provided with a plurality of reference columns on the mount pad, be provided with first connecting hole on the mount pad, be provided with the second connecting hole that corresponds with first connecting hole on the casing, first connecting hole passes through the screw connection with the second connecting hole, the tip of first connecting hole has the counter bore that supplies the head holding of screw.

2. The intelligent control ventilator according to claim 1, characterized in that: the main body support comprises an annular body and an expansion body, the peripheral outline of the expansion body is larger than that of the annular body, external threads are arranged on the peripheral face of the annular body, a fastening piece is connected to the annular body through threads, and a clamping cavity is formed by a gap between the expansion body and the fastening piece.

3. The intelligent control ventilator according to claim 1, characterized in that: the mounting seat is located the annular body, the external diameter of mounting seat is less than the internal diameter of annular body, there is the space constitution ventilation passageway between the outer wall of mounting seat and the inner wall of annular body, be connected through protruding muscle between mounting seat and the annular body.

4. The intelligent control ventilator according to claim 3, characterized in that: the relative both sides of mount pad outwards extend respectively and form first rampart and second rampart, first rampart forms the installation cavity of power supply circuit board installation with face lid butt, be provided with the bleeder vent that makes installation cavity and ventilation channel intercommunication on the first rampart, the second rampart forms the inner chamber of power supply machine installation.

5. The intelligent control ventilator according to claim 4, characterized in that: and reinforcing ribs are arranged on the inner wall of the second annular wall and are distributed at intervals along the circumferential direction of the second annular wall.

6. The intelligent control ventilation fan according to claim 1, wherein: the radar sensing device further comprises a single chip microcomputer and a power circuit for supplying power to the single chip microcomputer, a resistor R2 and a light emitting diode D1 are connected between a PA7 pin and a VDD pin of the single chip microcomputer, a resistor R6 and a light emitting diode D2 are connected to a PA0 pin, a photoelectric coupler U1 and a bidirectional thyristor Q1 are connected between the resistor R6 and the light emitting diode D2, an electron R7 and a variable resistor R13 are connected to a PA3 pin, and a radar sensing module Q9 is connected to the PA6 pin.

7. The intelligent control ventilator according to claim 6, characterized in that: the power supply circuit comprises a full-bridge rectifying circuit and a voltage reduction chip IC3.