TWM505548U - Power saving fan - Google Patents

Description

Energy saving fan

This creation is about an energy-saving fan, especially a fan device with energy-saving function. The DC controller with regulating function adjusts the speed and frequency of the DC brushless motor and the fan, and has a torque buffer function. The design of the Vientiane connector effectively reduces the torque, reduces noise, adjusts the air volume with the environment, and extends the life of the device.

According to the single-suction centrifugal fan, double-suction centrifugal fan, fan-type axial fan (VAF) or wall fan, the fan device is driven by the driving motor. Rotating to suck the airflow in the confined space, and the outside air enters through the air inlet of the fan device, and then is discharged from the air outlet to generate convection and transportation of the airflow, effectively achieving the purpose of air exchange between the confined space and the outside; Industrial plants, industrial manufacturing processes, commercial buildings, general homes or road tunnels require ventilation and ventilation equipment for air exchange. Therefore, the fan unit is an important device for regulating indoor air and maintaining air circulation.

The traditional fan device mostly uses the driving motor to drive the pulley to run, and then the belt is connected to the blade of the impeller to drive the rotation of the fan, effectively meeting the requirements of ambient ventilation and exhausting; however, the fan device driven by the pulley is running for a period of time. After that, there is often a disadvantage of the pulley shifting, which requires shutdown correction. In severe cases, the belt may be slack or broken, which may affect the damage of the fan impeller and the risk of overheating of the drive motor. When the fan unit is stopped for a period of time, the pulley There are also disadvantages of easy hardening and falling off; in addition, the conventional fan-driven fan unit has only one type of speed. If different speeds are required to adjust the speed according to different environmental requirements, the corresponding pulley must be replaced. And increase the cost of device setup.

The creator of this case applied for the invention patent of "Fan System with Speed Reduction Mechanism" of the Republic of China Patent No. 201433703 on December 19, 2003, which discloses a fan system with a speed reduction mechanism, which mainly includes a cylindrical casing. a high speed drive motor, a speed reduction mechanism, and at least one fan. The invention utilizes a reduction gear set that is disposed in the speed reduction mechanism and is combined by a plurality of gears having different pitch circle radii so that the output gear has a low rotation speed. The speed of the input gear is increased to increase the torque of the output shaft to increase the ventilation and exhaust air volume of the overall fan. The fan system of the invention has the advantages of reducing the size of the ventilation system, increasing the service life of the bearing, and reducing the noise pollution to meet the metropolis. The advantages of environmental protection regulations can effectively increase the efficiency of the high-speed drive motor and save the power consumption of the system; however, the speed reduction mechanism of the invention and the fan are connected by a bearing, and when the high-speed drive motor drives the reduction gear set in the speed reduction mechanism , and then drive the impeller of the fan to rotate, due to the torque at the moment of starting It is easy to wear the bearing between the speed reduction mechanism and the fan, thus reducing the service life of the system and increasing the system installation cost; therefore, how to effectively reduce the momentary torque generated by the fan system to protect the connected bearing and prolong the service life of the system, It is also possible to adjust the output of the air volume as the environment changes, and it is still an important issue that developers and researchers such as wind turbines need to continuously overcome and solve.

The reason is that the creators, in view of this, and through their rich professional knowledge and years of practical experience, have improved and created an energy-saving fan, the purpose of which is to develop a fan device with energy-saving functions. The DC controller of the function adjusts the speed and frequency of the DC brushless motor and the fan, and the setting of the universal joint with the torque buffer function, effectively reducing the torque, reducing the noise, adjusting the air volume with the environment, and prolonging the service life of the device. The advantage.

In order to achieve the above-mentioned implementation purpose, the present author proposes an energy-saving fan comprising a fan, a brushless motor, a universal joint, and a DC controller; the fan has a bearing, and an impeller driven by the bearing; The brushless motor is formed on the driving end by a motor bearing; the universal joint is composed of a first rotor, a second rotor, and a plurality of buffer pads, wherein the first rotor and the second rotor have alternating convex portions a buffer pad is arranged between the protrusions, the first rotor is sleeved with a motor bearing, and the second rotor is sleeved with a bearing of the fan; the DC controller is electrically connected to the DC brushless motor, and is driven by a speed knob and a The time button controls the speed at which the brushless DC motor is to be reached within a specified time.

In an embodiment of the present invention, the DC controller includes an AC to DC module and a bridge rectifier coupled thereto.

In an embodiment of the present invention, the DC controller can further be provided with a wireless signal transceiver electrically connected to the mobile communication device, so that the user can control the DC brushless motor in a wireless transmission mode by using the mobile communication device. The speed that you want to reach in time.

In an embodiment of the present invention, the DC controller connects the DC brushless motor in one of wired or wireless manner.

In an embodiment of the present invention, the DC brushless motor can be further disposed on a platform, and a shock absorber is disposed between the DC brushless motor and the platform to reduce noise generated by the vibration of the DC brushless motor.

In an embodiment of the present invention, the fan is one of a single suction centrifugal fan, a double suction centrifugal fan or a moving wing axial fan.

Therefore, the energy-saving fan of the present invention adjusts the speed and frequency of the DC brushless motor and the fan by the DC controller with the regulating function, and is effectively adjusted in a slow start manner according to the difference of the environment of the fan device. The function of the output of the air volume avoids the disadvantage that the conventional pulley device must replace the pulley to obtain different speeds and frequencies, which has the advantage of saving the installation cost of the device; in addition, the energy-saving fan of the present invention is equipped with a torque buffering function. The joint is arranged to buffer the instantaneous torque between the motor bearing of the DC brushless motor and the bearing of the fan, effectively reducing the hardware loss of the bearing, achieving the service life of the bearing, thereby prolonging the service life of the energy-saving fan, and also saving the setting. The advantage of cost; Finally, the energy-saving fan of the present invention effectively reduces the iron of the motor bearing and the iron of the fan bearing by the buffer pad disposed between the convex portion of the first rotor and the second rotor of the universal joint. Rubbing the noise generated by each other and protecting the Vientiane connector to extend its life

The purpose of this creation and its structural and functional advantages will be explained in accordance with the structure shown in the following figure, in conjunction with specific examples, so that the review committee can have a deeper and more specific understanding of the creation.

First, please refer to the first to third figures, the overall appearance configuration diagram of a preferred embodiment of the authored energy-saving fan, the overall appearance configuration diagram of the second preferred embodiment, and the configuration diagram of the Vientiane connector, wherein the creation The energy-saving fan system includes at least:

A fan (1) has a bearing (11) and an impeller (12) driven by a bearing (11), wherein the fan (1) can be a single suction centrifugal fan, a double suction centrifugal fan or a moving wing In one embodiment of the present invention, in a preferred embodiment of the present invention, the fan (1) is a single-suction centrifugal fan, and the second drawing is another moving wing axial flow. The aspect of the fan;

A DC brushless motor (2) is a motor bearing (21) protruding from the driving end; in a preferred embodiment of the present invention, the DC brushless motor (2) is as disclosed in the Republic of China Patent No. I353707 and The motor disclosed in the publication No. 201139859, since the internal arrangement of the motor can concentrate the gas into the heat dissipation fins on the surface of the DC brushless motor housing, thereby effectively speeding up the heat exchange of the DC brushless motor, The principle and design of the DC brushless motor (2) is well known in the art and is not the focus of this creation. Therefore, it will not be repeated in this creation; the DC brushless motor of this creation (2) It can obtain high output power at low speed. It is a DC brushless motor (2) with light, short, reliable, durable and long life. In addition, DC brushless motor ( 2) The system can be further disposed on a platform (3), and a shock absorber (31) is disposed between the DC brushless motor (2) and the platform (3) for reducing the vibration of the DC brushless motor (2) Generated noise;

The unicycle joint (4) is composed of a first rotor (41), a second rotor (42), and a plurality of buffer gaskets (43), wherein the first rotor (41) and the second rotor ( 42) is a convex portion (44) having alternating misalignment, a buffer pad (43) is disposed between the convex portions (44), the first rotor (41) is sleeved with a motor bearing (21), and the second rotor (42) The bearing (11) of the fan (1) is set; please refer to the third figure, which is a configuration diagram of the universal joint of the preferred embodiment of the energy-saving fan, wherein the convex portion (44) is composed of one The metal material is preferably made of iron material, and the buffer gasket (43) disposed between the two convex portions (44) is made of a rubber material, and the purpose is to reduce the buffer start time. The instantaneous torque generated effectively extends the service life of the bearing (11) of the motor bearing (21) and the fan (1) of the DC brushless motor (2);

A DC controller (5) is electrically connected to the DC brushless motor (2), and the DC brushless motor (2) is controlled by a rotating button (51) and a time button (52) for a specific time. The rotational speed, that is, the user can set the rotational speed of the DC brushless motor (2) via the regulating speed knob (51), and then adjust the time button (52) to set the DC brushless motor (2) to reach the set speed. The time required for the creation of the energy-saving fan of the present invention can be slow-starting to extend the motor bearing (21) of the Vientiane connector (4), the DC brushless motor (2), and the bearing of the fan (1) (11) In addition, since the speed and frequency of the DC brushless motor (2) can be adjusted via the DC controller (5), the energy-saving fan of this creation can adjust the DC brushless according to the needs of the environment. The speed and frequency of the motor (2) are used to generate different air volumes, which can effectively avoid the disadvantages of the traditional use of the pulley device of the pulley to replace the pulley, thereby achieving the cost saving advantage; furthermore, the DC controller (5) includes the control IC. Automatically controls the speed of the DC brushless motor (2) For example, after the user activates the power switch (53) of the DC controller (5), the control IC can reach the full speed of the DC brushless motor (2) within a predetermined time (for example, 30 minutes or 1 hour). Operate and reach a specific speed (for example, 750 rpm or 700 rpm) after a predetermined period of operation (for example, 30 minutes or 45 minutes), and then stop the brushless DC motor (2) after a predetermined time; further The DC controller (5) includes an AC to DC module (not shown) and a bridge rectifier coupled to it (not labeled) for converting the AC power of the mains to DC. Power supply to provide a source of power for the DC brushless motor (2).

In addition, the DC controller (5) can further be provided with a wireless signal transceiver (not shown) electrically connected to the mobile communication device (6), so that the user can wirelessly transmit through the mobile communication device (6). The method controls the speed of the DC brushless motor (2) to be reached in a specific time; further, the DC controller (5) can connect the DC brushless motor (2) in one of wired or wireless manner; In a preferred embodiment, the DC controller (5) wirelessly connects the DC brushless motor (2) with a wireless signal transceiver to control the DC brushless motor (2) to be reached within a certain time. Rotating speed.

According to the above-mentioned energy-saving fan, when a preferred embodiment of the energy-saving fan of the present invention is applied to a place with ventilation or exhaust requirements, such as an industrial plant, an industrial manufacturing process, a commercial building, a general residence or a highway First, the user must first activate the power switch (53) of the DC controller (5); after the connection, the user can determine the amount of airflow of the fan according to the location and environment of the energy-saving fan, that is, the user can borrow Set the speed of the DC brushless motor (2) by adjusting the speed knob (51) on the DC controller (5), and then adjust the time button (52) on the DC controller (5) to set the DC no. The time required for the brush motor (2) to reach the set speed makes the energy-saving fan of the creation have a slow start effect to extend the service life, and the energy-saving fan can also adjust the DC brushless motor in time according to the needs of the environment (2 The speed and frequency of the engine to generate different air volume, can effectively avoid the disadvantages of the traditional use of the pulley fan device must replace the pulley, thereby achieving the cost saving advantage, and the DC controller (5 Built-in an AC to DC module, and a bridge rectifier coupled to it, can convert the AC power of the mains into a DC power supply, and provide the DC brushless motor (2) to effectively drive the DC brushless motor. (2) Rotating; in addition, the DC controller (5) is further provided with a wireless signal transceiver electrically connected to the mobile communication device (6), so that the user can control the DC through the mobile communication device (6) by wireless transmission The brushless motor (2) is required to reach the specific speed within a certain time, and the DC controller (5) uses a wireless signal transceiver to wirelessly connect the DC brushless motor (2) to control the DC brushless motor (2) The speed that is desired to be reached within a certain period of time; when the DC brushless motor (2) starts to rotate at a user-defined speed and frequency, the DC brushless motor (2) is connected by a motor bearing (21). The bearing (11) of the fan (1) rotates with the impeller (12) of the fan (1), wherein the motor bearing (21) of the DC brushless motor (2) and the bearing (11) of the fan (1) are arranged. There is a 10,000 joint (4), wherein the universal joint (3) is composed of a first rotor (41), a first a second rotor (42) and a plurality of buffer gaskets (43), wherein the first rotor (41) and the second rotor (42) have alternating convex portions (44), and the convex portions (44) are interposed A buffer gasket (43) is provided, the first rotor (41) is sleeved with a motor bearing (21), and the second rotor (42) is sleeved with a bearing (11) of the fan (1), wherein the convex portion (34) It is made of a metal material, preferably made of iron material, and the buffer pad (43) disposed between the two convex portions (44) is made of a rubber material, which can reduce the buffer start time. The instantaneous torque can effectively extend the service life of the motor bearing (21) of the DC brushless motor (2) and the bearing (11) of the fan (1), while the fan (1) can be a single-suction centrifugal fan, double suction One of the centrifugal fan or the airfoil axial fan, the above is the operation procedure of the energy-saving fan of the creation. The energy-saving fan of the creation can effectively reduce the torque, reduce the noise, adjust the air volume with the environment, and extend the device. The advantage of the service life.

It can be seen from the above description of the implementation that the prior art of the creation of the energy-saving fan has the following advantages:

1. The energy-saving fan of this creation is adjusted by the DC controller with regulating function to adjust the speed and frequency of the DC brushless motor and the fan, and effectively adjusts the air volume according to the difference of the environment of the fan device. The function of the output is to avoid the disadvantage that the conventional pulley device must replace the pulley to obtain different speed and frequency, which has the advantage of saving the installation cost of the device.

2. The energy-saving fan of this creation is equipped with a universal joint with a torsion buffer function to buffer the instantaneous torque between the motor bearing of the DC brushless motor and the bearing of the fan, effectively reducing the hardware loss of the bearing and achieving the lifting of the bearing. The service life, and thus the service life of the energy-saving fan, is also an advantage of saving installation costs.

3. The energy-saving fan of the present invention effectively reduces the friction between the iron of the motor bearing and the iron of the fan bearing by the buffer pad disposed between the convex portion of the first rotor and the second rotor of the universal joint. Noise and protect the Vientiane connector to extend its life.

In summary, the present energy-saving fan can indeed achieve the expected use efficiency by the above disclosed embodiments, and the creation has not been disclosed before the application, and has fully complied with the requirements and requirements of the patent law.提出Issuing an application for the creation of a patent in accordance with the law, and asking for a review, and granting a patent, it is really sensible.

However, the illustrations and descriptions disclosed above are only preferred embodiments of the present invention, and are not intended to limit the scope of protection of the present invention; those who are familiar with the skill are otherwise characterized by the scope of the creation. Equivalent changes or modifications shall be considered as not departing from the design of this creation.

(1) ‧‧‧fan

(11) ‧ ‧ bearing

(12)‧‧‧ Impeller

(2) ‧‧‧DC brushless motor

(21)‧‧‧Motor bearings

(3) ‧‧‧ platform

(31) ‧‧‧ Shock absorbers

(4) ‧‧‧ Vientiane joints

(41)‧‧‧First rotor

(42) ‧‧‧second rotor

(43)‧‧‧Vacuum gasket

(44) ‧‧‧ convex

(5) ‧‧‧DC controller

(51)‧‧‧Speed button

(52) ‧‧‧ time button

(53)‧‧‧Power switch

(6)‧‧‧Mobile communication devices

The first figure: the overall appearance configuration diagram of a preferred embodiment of the present energy-saving fan

The second figure: the overall appearance configuration diagram of the second preferred embodiment of the present energy-saving fan

The third figure: the configuration of the universal joint of the preferred embodiment of the energy-saving fan of the present invention

(1) ‧‧‧fan

(11) ‧ ‧ bearing

(12)‧‧‧ Impeller

(2) ‧‧‧DC brushless motor

(21)‧‧‧Motor bearings

(3) ‧‧‧ platform

(31) ‧‧‧ Shock absorbers

(4) ‧‧‧ Vientiane joints

(5) ‧‧‧DC controller

(51)‧‧‧Speed button

(52) ‧‧‧ time button

(53)‧‧‧Power switch

(6)‧‧‧Mobile communication devices

Claims (6)

An energy-saving fan includes at least: a fan having a bearing and an impeller driven by the bearing; a DC brushless motor protruding from a driving end to a motor bearing; a Vientiane connector being a first a rotor, a second rotor, and a plurality of buffer pads, wherein the first rotor and the second rotor have alternating convex portions, and the buffer is provided with the buffer pad, the first The rotor system sleeves the motor bearing, and the second rotor sleeves the bearing of the fan; and the DC controller electrically connects the DC brushless motor, and controls the DC without a speed button and a time button The speed at which the brush motor is desired to reach a certain time. The energy-saving fan of claim 1, wherein the DC controller comprises an AC to DC module, and a bridge rectifier coupled thereto. The energy-saving fan of claim 1, wherein the DC controller is further provided with a wireless signal transceiver electrically connected to the mobile communication device, so that the user controls the wireless communication mode by using the mobile communication device. The speed at which the brushless DC motor is to be reached within a specified time. The energy-saving fan of claim 1, wherein the DC controller connects the DC brushless motor in one of wired or wireless manner. The energy-saving fan of claim 1, wherein the DC brushless motor is further disposed on a platform, and a shock absorber is disposed between the DC brushless motor and the platform to reduce the DC brushless motor. The noise generated by the vibration. For example, the energy-saving fan described in claim 1 is one of a single-suction centrifugal fan, a double-suction centrifugal fan or a moving-wing axial fan.