CN206442231U - A kind of high efficiency smoke exhaust ventilator brushless direct current motor - Google Patents

Abstract

A kind of high efficiency smoke exhaust ventilator brushless direct current motor, including transistor, electric capacity C, three phase electric machine, controller C1 and rotor-position sensor R1, on the upside of transistor V1 on the upside of connection electric capacity C, on the downside of transistor V1 on the upside of connection three phase electric machine, on the upside of transistor V2 on the left of connection three phase electric machine, on the downside of transistor V2 on the downside of connection electric capacity C, on the upside of transistor V3 on the upside of connection electric capacity C, on the downside of transistor V3 on the upside of connection three phase electric machine, on the upside of transistor V4 on the upside of connection three phase electric machine, on the downside of transistor V4 on the downside of connection electric capacity C, on the upside of transistor V5 on the upside of connection electric capacity C, on the downside of transistor V5 on the upside of connection three phase electric machine, on the upside of transistor V6 on the right side of connection three phase electric machine, on the downside of transistor V6 on the downside of connection electric capacity C, on the upside of controller C1 on the downside of connection electric capacity C, on the right side of controller C1 on the left of connection rotor-position sensor R1, on the upside of sensor R1 in the middle of connection three phase electric machine, the utility model is reasonable in design, it is easy to use, under one magnetic pole, ensure that magnetic flux distribution is constant, ensure that the electric current being passed through in armature winding is constant, to produce constant torque.

Description

A kind of high efficiency smoke exhaust ventilator brushless direct current motor

Technical field

The utility model more particularly to a kind of high efficiency smoke exhaust ventilator brushless direct current motor.

Background technology

Smoke exhaust ventilator turns into the indispensable cooking apparatus of Modern Family, is a kind of improvement kitchen environment, improves the people The kitchen appliance of quality of life and the general level of the health.Current smoke exhaust ventilator uses monopole asynchronous motor mostly with motor, still Based on its basic structure and operation principle, there is energy index efficiency and power factor ratio is relatively low and the larger grade of electromagnetic noise ratio lacks Point.In order to further meet the market demand of " energy-conserving and environment-protective ", meanwhile, also based on brushless direct current motor speed governing and efficiently etc. The advantage of aspect, people begin to focus on, develop smoke exhaust ventilator brushless direct current motor, for replacing smoke exhaust ventilator with single-phase different Walk motor.

Utility model content

The purpose of this utility model is that there is provided a kind of high efficiency smoke exhaust ventilator nothing for above-mentioned the deficiencies in the prior art Brush dc motor.

What the technical solution of the utility model was realized in：

A kind of high efficiency smoke exhaust ventilator brushless direct current motor, including transistor V1, transistor V2, transistor V3, crystalline substance On body pipe V4, transistor V5, transistor V6, electric capacity C, three phase electric machine, controller C1 and rotor-position sensor R1, transistor V1 It is brilliant on the upside of transistor V2 on the left of connection three phase electric machine on the downside of transistor V1 on the upside of connection three phase electric machine on the upside of the connection electric capacity C of side On the downside of body pipe V2 on the downside of connection electric capacity C, on the upside of transistor V3 on the upside of connection electric capacity C, on the downside of transistor V3 on connection three phase electric machine On the upside of side, transistor V4 on the upside of connection three phase electric machine, on the downside of transistor V4 on the downside of connection electric capacity C, connection electricity on the upside of transistor V5 Hold on the upside of C, on the downside of transistor V5 on the upside of connection three phase electric machine, on the upside of transistor V6 on the right side of connection three phase electric machine, under transistor V6 On the downside of the connection electric capacity C of side, on the upside of controller C1 on the downside of connection electric capacity C, connection rotor-position sensor R1 is left on the right side of controller C1 On the upside of side, sensor R1 in the middle of connection three phase electric machine.

Three phase electric machine includes assembled piece type stator punching and wire, and wire is wound on inside assembled piece type stator punching.

The utility model beneficial effect：

The utility model is reasonable in design, easy to use, and brushless direct current motor is excitatory using rare earth permanent magnet, it is not necessary to excitatory Power, compared to permanent-split capacitor motor, efficiency is much higher.Under the premise of identical air quantity is exported, capacitor operation asyn electricity Motivation needs 200W input power, and brushless direct current motor only needs to 103.6W, and brushless direct current motor is in terms of efficiency Specific capacitance operation asyn. motor is wanted to be higher by more than 50%.On the other hand, brushless direct current motor not only efficiency high, and having Excellent speed adjusting performance, can be 0 to accomplishing stepless time adjustment between 1500r/min.Smoke exhaust ventilator is proper with brushless direct current motor The shortcoming of smoke exhaust ventilator permanent-split capacitor motor is overcome well, and efficiency high, good speed adjustment features, energy-saving potential is huge.In addition, Brushless direct current motor can realize the dual reduction for starting noise and running noise：First, DC frequency-changing realizes soft start, The operating condition of balance eliminates the noise produced when range hood is started；Secondly, user can select not according to use demand Same frequency, between 0-1500 turns, selects corresponding operating condition, obtains relatively low noise level.

Brief description of the drawings

The utility model is described in further detail for embodiment in below in conjunction with the accompanying drawings, but does not constitute to this reality With new any limitation.

Fig. 1 is high efficiency smoke exhaust ventilator brushless direct current motor circuit theory diagrams of the present utility model；

Fig. 2 is three phase electric machine structure chart of the present utility model；

Embodiment

As shown in fig.1, a kind of high efficiency smoke exhaust ventilator brushless direct current motor of the present utility model, including transistor V1, transistor V2, transistor V3, transistor V4, transistor V5, transistor V6, electric capacity C, three phase electric machine, controller C1 and rotor On the upside of position sensor R1, transistor V1 on the upside of connection electric capacity C, on the downside of transistor V1 on the upside of connection three phase electric machine, transistor V2 On the left of upside connection three phase electric machine, on the downside of transistor V2 on the downside of connection electric capacity C, on the upside of transistor V3 on the upside of connection electric capacity C, crystal On the downside of pipe V3 on the upside of connection three phase electric machine, on the upside of transistor V4 on the upside of connection three phase electric machine, on the downside of transistor V4 under connection electric capacity C On the upside of side, transistor V5 on the upside of connection electric capacity C, on the downside of transistor V5 on the upside of connection three phase electric machine, connection three on the upside of transistor V6 On the right side of phase motor, on the downside of transistor V6 on the downside of connection electric capacity C, on the upside of controller C1 on the downside of connection electric capacity C, connect on the right side of controller C1 Connect on the left of rotor-position sensor R1, on the upside of sensor R1 in the middle of connection three phase electric machine.

As shown in fig.2, a kind of high efficiency smoke exhaust ventilator brushless direct current motor of the present utility model, including assembled piece type Stator punching and wire, wire are wound on inside assembled piece type stator punching.

Smoke exhaust ventilator brushless direct current motor overcomes the shortcoming of smoke exhaust ventilator permanent-split capacitor motor just, effect Rate is high, and good speed adjustment features, energy-saving potential is huge.In addition, brushless direct current motor can realize starting noise and running noise Dual reduction:First, DC frequency-changing realizes soft start, and the operating condition of balance eliminates making an uproar of being produced when range hood is started Sound.Monopole asynchronous motor has simple in construction, and reliable, the advantages of with low cost, therefore, most of household electrical appliances are using single-phase Asynchronous motor.Smoke exhaust ventilator typically uses single-phase capacitor operation asyn. motor with motor.It is single-phase asynchronous electronic with other Machine is compared, and single-phase capacitor operation asyn. motor power factor, efficiency and overload capacity have improvement.The signal of position sensor Constantly change with the rotation of rotor, the "on" position of armature also constantly changes therewith, so that leading under same magnetic pole The sense of current in body is constant, produces constant torque.

Embodiment provided above is better embodiment of the present utility model, only for convenient explanation the utility model, and It is non-to make any formal limitation, any those of ordinary skill in the art to the utility model, if not departing from The utility model is carried in the range of technical characteristic, is locally changed or is repaiied using made by the utility model disclosed technology content The equivalent embodiment of decorations, and without departing from technical characteristic content of the present utility model, still fall within the utility model technical characteristic In the range of.

Claims (1)

1. a kind of high efficiency smoke exhaust ventilator brushless direct current motor, including transistor V1, transistor V2, transistor V3, crystal Pipe V4, transistor V5, transistor V6, electric capacity C, three phase electric machine, controller C1 and rotor-position sensor R1, it is characterised in that： On the upside of transistor V1 on the upside of connection electric capacity C, on the downside of transistor V1 on the upside of connection three phase electric machine, connection three-phase electricity on the upside of transistor V2 On the left of machine, on the downside of transistor V2 on the downside of connection electric capacity C, on the upside of transistor V3 on the upside of connection electric capacity C, connection three on the downside of transistor V3 On the upside of phase motor, on the upside of transistor V4 on the upside of connection three phase electric machine, on the downside of transistor V4 on the downside of connection electric capacity C, on transistor V5 It is brilliant on the upside of transistor V6 on the right side of connection three phase electric machine on the downside of transistor V5 on the upside of connection three phase electric machine on the upside of the connection electric capacity C of side On the downside of body pipe V6 on the downside of connection electric capacity C, on the upside of controller C1 on the downside of connection electric capacity C, connection rotor-position is passed on the right side of controller C1 On the left of sensor R1, on the upside of sensor R1 in the middle of connection three phase electric machine, described three phase electric machine includes assembled piece type stator punching and led Line, wire is wound on inside assembled piece type stator punching.