CN218787193U

CN218787193U - Brush fan with double steering and braking functions for humidifier

Info

Publication number: CN218787193U
Application number: CN202222511274.XU
Authority: CN
Inventors: 李常春; 李春盛
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-22
Filing date: 2022-09-22
Publication date: 2023-04-04
Anticipated expiration: 2032-09-22

Abstract

The utility model provides a brush fan with double steering brake functions for a humidifier, which comprises a main machine shell, a control circuit board and fan blades arranged in the main machine shell, and a brush motor for driving the fan blades to stop after running for a preset time period and to run again after stopping for the preset time period, wherein an output shaft of the brush motor is connected with the fan blades; an air outlet corresponding to the position of the fan blade is formed in the side edge part of the main machine shell; the air inlet is formed in the main case; the brush motor is electrically connected with the control circuit board, in the practical application process, the brush motor controls the fan blades to operate according to preset time, for example, the fan blades stop after operating for 10-1000 milliseconds after operating for the preset time, the fan blades start to operate again after stopping for 500-5000 milliseconds after operating for the preset time, and the operation is circulated in sequence, so that the fan blades send out instantly pressurized air, and the instantly pressurized air is matched with other parts of a humidifier product to spray out a vortex ring fog ring from a spray nozzle of the humidifier.

Description

Brush fan with double steering and braking functions for humidifier

[ technical field ]

The utility model relates to a be applied to brush fan spare part technical field of humidifier product, especially relate to a controllability is strong, the outstanding brush fan that is used for the bi-steering area brake function of humidifier of result of application.

[ background art ]

The brushless direct current motor is a typical electromechanical integration product, and because the brushless direct current motor runs in an automatic control mode, a starting winding is not additionally arranged on a rotor like a synchronous motor which is started under heavy load under variable frequency speed regulation, oscillation and step loss can not be generated when load suddenly changes, and a permanent magnet of the brushless direct current motor with medium and small capacity is mainly made of rare earth neodymium iron boron (Nd-Fe-B) materials with high magnetic energy level at present.

The brush motor is a rotating motor which is internally provided with a brush device and converts electric energy into mechanical energy (a motor) or converts the mechanical energy into electric energy (a generator), is the basis of all motors, and has the characteristics of quick start, timely braking, capability of smoothly regulating the speed in a large range, relatively simple control circuit and the like.

The humidifier product need stop in the twinkling of an eye and start in the twinkling of an eye through the fan and reach the blast air in the very short time at the practical application in-process to form the effect of spouting the circle, however, brushless motor among the prior art drive fan can't stop rotating in the short time, cause to spout the circle effect relatively poor, there is brush motor drive fan also to need follow aspects such as control mode, fixed and connection structure, correspond with the humidifier product of reality mutually supporting, just can produce and form the complete circle of spouting, spout the effect of vortex ring.

In view of this, there is a need for structural improvements and improvements to existing products and accessories.

[ contents of utility model ]

The technical problem that this application was solved is:

brushless motor drive fan among the prior art can't stop rotating in the short time, causes humidifier equipment to spout the circle effect relatively poor, has brush motor drive fan also to need to start from aspects such as control mode, fixed and connection structure, matches each other with actual humidifier product and corresponds, just can produce and form the effect of complete circle, the vortex ring of spouting.

The utility model provides a technical problem's scheme is:

the double-steering brush fan with the brake function for the humidifier comprises a main machine shell, a control circuit board and fan blades, wherein the control circuit board and the fan blades are arranged in the main machine shell; an air outlet corresponding to the position of the fan blade is formed in the side edge part of the main machine shell; the air inlet is formed in the main case; the brush motor is electrically connected with the control circuit board.

Preferably, a motor chamber for accommodating the brush motor is integrally formed in the main chassis; and an output shaft of the brush motor penetrates through the wall body at the bottom side of the motor cabin and then is connected with the fan blades.

Preferably, the main chassis comprises an upper chassis and a lower chassis connected with the upper chassis in a snap-fit manner; the motor cabin is connected with the lower shell or integrally formed; the fan blades are positioned in an inner space enclosed by the upper shell and the lower shell together.

Preferably, the brush motor and the motor chamber are located in the central portion of the whole main chassis.

Preferably, the control circuit board is arranged inside the motor cabin; and a main board clamping groove for fixing the control circuit board is integrally formed in the motor cabin.

Preferably, the other side of the motor cabin relative to the fan blades is an open structure; a lower cover body is covered on the outer side of the motor bin; the lower cover body is matched with the motor cabin in shape; the brush motor is connected with the bottom side wall body of the motor cabin through a plurality of screws arranged in a surrounding mode.

Preferably, the fan blades are straight blades or arc-shaped blade structures.

Preferably, the air inlet is formed in the upper shell; the size of the air inlet is smaller than that of the fan blade; the size of the air inlet is larger than that of the air outlet.

Preferably, a fixing buckle and a fixing hook for playing a role in movable connection are arranged between the upper shell and the lower shell and between the lower cover body and the motor cabin; the fixing buckle can be buckled and fixed on the fixing hook.

Preferably, the main chassis is of a whistle-shaped structure as a whole; an upper air outlet groove with a U-shaped cross section is integrally formed at the side part of the upper shell, and a lower air outlet groove with a U-shaped cross section is integrally formed at the side part of the lower shell; the upper air outlet groove and the lower air outlet groove are combined to form the air outlet.

Preferably, a motor control circuit for controlling the operation of the brush motor is arranged on the control circuit board; the motor control circuit comprises a control chip U2, a capacitor C2 and a capacitor C3; two ends of the capacitor C2 are respectively connected with a GND contact and a VDD contact of the control chip U2; two ends of the capacitor C3 are respectively connected with the OUT1 contact and the OUT2 contact of the control chip U2 and the positive and negative electrodes of the brush motor; the device also comprises a control chip U1 and a capacitor C1; two ends of the capacitor C1 are connected with a VDD contact and a VSS contact of the control chip U1; the PB1/1R contact of the control chip U1 is connected with the IN1 contact of the control chip U2; the PB2/PWM1 contact of the control chip U1 is connected with the IN2 contact of the control chip U2; and the VSS contact of the control chip U1 is connected with a common ground.

The beneficial effect that this application solved technical problem is as follows:

compared with the prior art, the utility model relates to a brush fan that is used for dual steering area brake function of humidifier is through setting up the mainframe shell simultaneously, install in inside control circuit board 13 and flabellum 15 of mainframe shell still including being used for driving flabellum 15 stops after the time quantum operation of predetermineeing, stops again after the time quantum of predetermineeing the operation motor 12 that has brushed, brush motor 12's output shaft with flabellum 15 is connected the mainframe shell side position seted up with air outlet 17 that the 15 positions of flabellum correspond, still including seting up in air intake 161 on the mainframe shell, brush motor 12 with control circuit board 13 electric connection, among the practical application process, operate according to length of predetermineeing through having brush motor 12 control flabellum 15, for example the operation stops after predetermineeing length of time 10-1000 milliseconds, stops after predetermineeing length of time 500-5000 milliseconds the operation again, circulates in proper order for flabellum 15 sends out the wind of pressure boost in the twinkling of an eye, cooperates other parts of humidifier product, from the nozzle blowout ring circle of humidifier.

[ description of the drawings ]

Fig. 1 is an exploded structural view of a dual-steering brush fan with a brake function for a humidifier according to the present invention.

Fig. 2 and fig. 3 are schematic structural views of cross-sectional states of a brush fan with a dual-steering braking function for a humidifier according to the present invention.

Fig. 4 is a schematic structural diagram of a three-dimensional state of a main chassis in a brush fan with a dual-steering braking function for a humidifier according to the present invention.

Fig. 5 and 6 are schematic diagrams of a control circuit corresponding to a brush fan with a dual-steering braking function for a humidifier according to the present invention.

[ detailed description of the invention ]

To make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 6, the brush fan 1 with dual-steering braking function for a humidifier of the present invention includes a main chassis, a control circuit board 13 and a fan blade 15 installed inside the main chassis, and further includes a brush motor 12 for driving the fan blade 15 to stop after operating for a preset time period, and to operate again after stopping for the preset time period, wherein an output shaft of the brush motor 12 is connected to the fan blade 15; an air outlet 17 corresponding to the fan blade 15 is arranged at the side edge part of the main machine shell; the air inlet 161 is arranged on the main case; the brush motor 12 is electrically connected to the control circuit board 13.

This application is through setting up the mainframe shell simultaneously, install in inside control circuit board 13 and the flabellum 15 of mainframe shell still including being used for driving flabellum 15 stops after the operation of predetermineeing the time quantum, stops to predetermineeing the time quantum after again the moving have brush motor 12, the output shaft that has brush motor 12 with flabellum 15 is connected mainframe shell side position seted up with air outlet 17 that the flabellum 15 position corresponds, still including seting up in air intake 161 on the mainframe shell, brush motor 12 with control circuit board 13 electric connection, in the practical application process, through having brush motor 12 control flabellum 15 to operate according to predetermined length of time, for example the operation stops after predetermineeing long length of time 10-1000 milliseconds, stops to predetermineeing long 500-5000 milliseconds after the operation again, circulates in proper order for flabellum 15 sends out the wind of pressure boost in the twinkling of an eye, cooperates other parts of humidifier product, from the nozzle blowout vortex ring fog circle of humidifier.

It is clear and definite that, this application does not include improvement and improvement to the software, mainly relies on the characteristic that has brush motor 12 can the rapid braking to stop, solves the unable rapid stop operation's of brushless motor problem, in humidifier product field, just reflects the difference of spouting circle integrality, independence, and it is more complete to adopt the humidifier product that has brush motor 12 to spout the circle, and experience degree is better.

In practice, the brush motor 12 rotates at a speed of approximately 800-20000 revolutions per minute.

In practical application, the double-steering brake can be realized through positive and negative rotation and quick stop.

In some other embodiments, a motor compartment 141 for accommodating the brush motor 12 is integrally formed inside the main chassis; the output shaft of the brush motor 12 penetrates through the bottom side wall body of the motor cabin 141 and then is connected with the fan blades 15; a plurality of screw holes for fixing the brush motor 12 are further formed in the bottom side wall body of the motor cabin 141; the main chassis comprises an upper chassis 16 and a lower chassis 14 connected with the upper chassis 16 in a snap-fit manner; the motor compartment 141 is connected with the lower shell 14 or integrally formed; the fan blades 15 are positioned in an inner space enclosed by the upper shell 16 and the lower shell 14; the brush motor 12 and the motor compartment 141 are located in the central part of the main chassis; the control circuit board 13 is arranged inside the motor cabin 141; a main board slot for fixing the control circuit board 13 is integrally formed in the motor compartment 141; the other side of the motor cabin 141 relative to the fan blades 15 is an open structure; a lower cover body 11 is covered on the outer side of the motor cabin 141; the lower cover body 11 is matched with the motor cabin 141 in shape; the brush motor 12 is connected with the bottom side wall body of the motor cabin 141 through a plurality of screws 143 arranged in a surrounding manner; the fan blades 15 are straight blades or arc-shaped blades, and can be composed of two or more than two blades; the air inlet 161 is formed in the upper housing 16 and may be a circular through hole structure; the size of the air inlet 161 is matched with the size of the fan blade 15; further, the size of the air inlet 161 is smaller than the size of the fan blade 15; the size of the air inlet 161 is larger than that of the air outlet 17;

fixing buckles

144 and 111 and fixing

hooks

163 and 1411 for movable connection are arranged between the upper shell 16 and the lower shell 14 and between the lower cover body 11 and the motor cabin 141; the number and positions of the

fixing buckles

144 and 111 and the

fixing hooks

163 and 1411 are not particularly limited in the present application; the

fixing buckles

144 and 111 can be buckled and fixed on the

fixing hooks

163 and 1411; the outer side of the lower shell 14 is also integrally provided with a screw fixing lug 146 for integrally fixing on an external object; the main machine shell is of a whistle-shaped structure as a whole; an upper air outlet groove 162 with a U-shaped cross section is integrally formed at the side edge part of the upper shell 16, and a lower air outlet groove 145 with a U-shaped cross section is integrally formed at the side edge part of the lower shell 14; the upper air outlet groove 162 and the lower air outlet groove 145 are combined to form the air outlet 17; the control circuit board 13 is provided with a motor control circuit for controlling the operation of the brush motor 12; the motor control circuit comprises a control chip U2, a capacitor C2 and a capacitor C3; two ends of the capacitor C2 are respectively connected with a GND contact and a VDD contact of the control chip U2; two ends of the capacitor C3 are respectively connected with the OUT1 contact and the OUT2 contact of the control chip U2 and the positive electrode and the negative electrode of the brush motor; the device also comprises a control chip U1 and a capacitor C1; two ends of the capacitor C1 are connected with a VDD contact and a VSS contact of the control chip U1; the PB1/1R contact of the control chip U1 is connected with the IN1 contact of the control chip U2; the PB2/PWM1 contact of the control chip U1 is connected with the IN2 contact of the control chip U2; the VSS contact of the control chip U1 is connected to a common ground.

The control chip U1 is a logic control chip, and the control chip U2 is a direct current motor driving chip; the present application does not specifically limit the model of each chip.

The brush fan 1 of this application can also be used to the smog vortex ring device that can take place smog by atomizer, refluence fragrance or liquid nitrogen etc. also can reach more complete, the better smog vortex ring of experience degree.

compared with the prior art, the utility model relates to a brush fan 1 that is used for dual steering area brake function of humidifier is through setting up the mainframe shell simultaneously, install in inside control circuit board 13 and flabellum 15 of mainframe shell still including being used for driving flabellum 15 stops after the time quantum operation of predetermineeing, stops again after the time quantum of predetermineeing the operation moving brush motor 12, brush motor 12's output shaft with flabellum 15 is connected main casing side position seted up with air outlet 17 that the flabellum 15 position corresponds, still including seting up in air intake 161 on the mainframe shell, brush motor 12 with control circuit board 13 electric connection, among the practical application process, through brush motor 12 control flabellum 15 according to the long operation of predetermineeing, for example the operation stops after predetermineeing long time 10-1000 milliseconds, stops after predetermineeing long time 500-5000 milliseconds, starts the operation again after the time of stopping predetermineeing, circulates in proper order flabellum 15 sends out the wind of pressure boost in the twinkling of an eye, cooperates other parts of humidifier product, from the nozzle blowout ring fog circle of humidifier.

The above-mentioned embodiments of the present invention do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a brush fan that is used for two steering area brake functions of humidifier, includes the mainframe shell, install in inside control circuit board and the flabellum of mainframe shell, its characterized in that: the fan blade is characterized by further comprising a brush motor for driving the fan blades to stop after running for a preset time period and then to run again after stopping for the preset time period, wherein an output shaft of the brush motor is connected with the fan blades; an air outlet corresponding to the position of the fan blade is formed in the side edge part of the main machine shell; the air inlet is formed in the main case; the brush motor is electrically connected with the control circuit board.

2. A dual-turn brake-equipped brush fan for a humidifier as claimed in claim 1, wherein: a motor bin for accommodating the brush motor is integrally formed in the main machine shell; and an output shaft of the brush motor penetrates through the wall body at the bottom side of the motor cabin and then is connected with the fan blades.

3. The brush fan with double steering and braking functions for a humidifier according to claim 2, wherein: the main machine shell comprises an upper shell and a lower shell connected with the upper shell in a clamping manner; the motor cabin is connected with the lower shell or integrally formed; the fan blades are positioned in an inner space enclosed by the upper shell and the lower shell together.

4. A brush fan with a double steering and braking function for a humidifier according to claim 2 or 3, wherein: the brush motor and the motor cabin are positioned in the central part of the whole main case.

5. A brush fan with a double steering and braking function for a humidifier according to claim 3, wherein: the control circuit board is arranged inside the motor cabin; and a main board clamping groove for fixing the control circuit board is integrally formed in the motor cabin.

6. A brush fan with a double steering and braking function for a humidifier according to claim 3 or 5, wherein: the other side of the motor cabin, which is opposite to the fan blades, is of an open structure; a lower cover body is covered on the outer side of the motor bin; the lower cover body is matched with the motor cabin in shape; the brush motor is connected with the bottom side wall body of the motor cabin through a plurality of screws arranged in a surrounding mode.

7. A brush fan with a double steering and braking function for a humidifier according to claim 3, wherein: the air inlet is formed in the upper shell; the size of the air inlet is smaller than that of the fan blade; the size of the air inlet is larger than that of the air outlet; the fan blades are straight blades or arc-shaped blade structures.

8. A brush fan with a double steering and braking function for a humidifier according to claim 3, wherein: a fixing buckle and a fixing hook for playing a role in movable connection are arranged between the upper shell and the lower shell and between the lower cover body and the motor cabin; the fixing buckle can be buckled and fixed on the fixing hook.

9. A brush fan with a double steering and braking function for a humidifier according to claim 3, wherein: the main machine shell is of a whistle-shaped structure as a whole; an upper air outlet groove with a U-shaped cross section is integrally formed at the side part of the upper shell, and a lower air outlet groove with a U-shaped cross section is integrally formed at the side part of the lower shell; the upper air outlet groove and the lower air outlet groove are combined to form the air outlet.

10. A dual-turn brake-equipped brush fan for a humidifier as claimed in claim 1, wherein: the control circuit board is provided with a motor control circuit for controlling the operation of the brush motor; the motor control circuit comprises a control chip U2, a capacitor C2 and a capacitor C3; two ends of the capacitor C2 are respectively connected with a GND contact and a VDD contact of the control chip U2; two ends of the capacitor C3 are respectively connected with the OUT1 contact and the OUT2 contact of the control chip U2 and the positive and negative electrodes of the brush motor; the device also comprises a control chip U1 and a capacitor C1; two ends of the capacitor C1 are connected with a VDD contact and a VSS contact of the control chip U1; the PB1/1R contact of the control chip U1 is connected with the IN1 contact of the control chip U2; the PB2/PWM1 contact of the control chip U1 is connected with the IN2 contact of the control chip U2; and the VSS contact of the control chip U1 is connected with a common ground.