CN208831298U - A kind of speed adjusting brushless blower - Google Patents

Abstract

The utility model discloses a kind of speed adjusting brushless blower, it includes lower cover, lower cover top, which is equipped with, encloses the connecting plate with an inner volume for lower cover, motor erection support is fixed on connecting plate, motor erection support upper end extends outward connect setting with upper closing lid, outside is provided with high-voltage brushless motor, high-voltage brushless motor is by coil disk body, it is set around the coil of the external side of coil panel, the rotor being set on the outside of coil and the magnet being fitted in rotor inner wall composition, rotor axle center, which is provided with, to be penetrated inside motor erection support, the shaft being connect in axially extending supreme closing lid with impeller assembly, shaft lower end is connect with bearing block and rotor；The purpose of the utility model is to provide a kind of speed adjusting brushless blowers to cut air quantity uniformly when inlet port enters by the integrally-built design of the blower, enters along the conical surface, to make blower under high wind pressure, increases the air quantity of blower, and keep its speed adjustable.

Description

A kind of speed adjusting brushless blower

Technical field

The utility model designs air blower field, specially a kind of speed adjusting brushless blower.

Background technique

Air blower belongs to ventilation equipment, and by the indoor wind page of motor driven air blast, the Gas inlet tube covered from air port sucks empty Gas, when air is entered in body, along a spiral path pass through impeller and side channel, each impeller blade can increase compression and And accelerate air, with the continuous progress of rotation, the kinetic energy of gas increasing will increase, so that pass through along wing passage Gas flow further increases, and gas is extruded blade and by outlet discharge body, and the prior art is using fixed speed When the synchronous machine drives fan blade of (within 5000 turns), same volume and power, air quantity is small and can not adjust.

Utility model content

The purpose of this utility model is integrally tied by the blower in view of the above problems, provide a kind of speed adjusting brushless blower The design of structure cuts air quantity uniformly when inlet port enters, and enters along the conical surface, thus make blower under high wind pressure, stability It is greatly improved, the air quantity of blower is enhanced, and wind speed is also realized adjustable.

In order to achieve the above object, the technical solution adopted in the utility model is: it includes lower cover, the lower cover top Equipped with lower cover is enclosed the connecting plate with an inner volume, motor erection support is fixed on the connecting plate, it is described Its section of motor erection support is that U-typed structure, upper end extend connect setting with upper closing lid outward, motor erection support outside The promising blower is set, the high-voltage brushless motor of power is provided, the high-voltage brushless motor by coil disk body, be set around coil Coil, the rotor being set on the outside of coil and the magnet being fitted on rotor inner wall composition on the outside of disk body, institute It states rotor axle center and is provided with and penetrate inside motor erection support, the axis being connect in axially extending supreme closing lid with impeller assembly Bar, the shaft lower end are connect with bearing block and rotor；Control circuit board, the control are installed on the connecting plate Circuit board is connect with high-voltage brushless motor, has an air inlet on the blower, and including at least one exhalation vents.

Further, cooling wind blade is provided on the shaft of rotor lower end, connecting plate is equipped with lower cover Thermovent.

Further, the blade of the impeller assembly is pyramidal structure.

Further, the air inlet is set to the top of upper closing lid, and air inlet is located at the surface of impeller assembly.

Further, a side of the upper closing lid is provided with extended type chimney fan, and exhalation vents are set to chimney fan side.

Compared with prior art, the utility model has the beneficial effects that blower described in the utility model uses high-speed brushless Motor driven, speed is adjustable, and maximum speed reaches 13000 revs/min, and same volume downdraft is bigger；What conventional fan used Motor is usually within 5000 revs/min.

Detailed description of the invention

Fig. 1 is the agent structure schematic diagram of the utility model.

Label character described in figure indicates are as follows: 1, lower cover；2, motor erection support；3, upper closing lid；4, high-voltage brushless electricity Machine；5, impeller assembly；6, connecting plate；7, control circuit board；8, cooling wind blade；9, chimney fan；10, air inlet；11, it exhales out Mouthful；12, thermovent；13, bearing block；14, shaft；401, coil；402, rotor；403, magnet.

Specific embodiment

In order to enable those skilled in the art to better understand the technical solutions of the present invention, with reference to the accompanying drawing to this reality Be described in detail with novel, the description of this part be only it is exemplary and explanatory, should not be to the protection scope of the utility model There is any restriction effect.

As shown in Figure 1, the specific structure of the utility model are as follows: it includes lower cover 1, and 1 top of lower cover is equipped with will Lower cover 1 encloses the connecting plate 6 with an inner volume, and motor erection support 2, the electricity are fixed on the connecting plate 6 Its section of machine erection support 2 is that U-typed structure, upper end extend connect setting with upper closing lid 3 outward, outside motor erection support 2 Side is arranged the promising blower and provides the high-voltage brushless motor 4 of power, the high-voltage brushless motor 4 by coil disk body, be set around The coil 401 of the external side of coil panel, the rotor 402 for being set to the outside of coil 401 and it is fitted in 402 inner wall of rotor On magnet 403 form, 402 axle center of rotor, which is provided with, to be penetrated inside motor erection support 2, axially extending supreme conjunction The shaft 14 connecting in lid 3 with impeller assembly 5,14 lower end of shaft is connect with bearing block 13 and rotor 402；It is described Control circuit board 7 is installed, the control circuit board 7 connect with high-voltage brushless motor 4, has on the blower on connecting plate 6 One air inlet 10, and including at least one exhalation vents 11.

Preferably, the blade of the impeller assembly 5 be pyramidal structure, make it is distinguished and admirable from flank suck, increase the flowing of air quantity Speed, at the same avoid wind direction vertically into being damaged to impeller assembly 5, influence its service life.

Preferably, the air inlet 10 is set to the top of upper closing lid 3, and air inlet is located at the surface of impeller assembly 5.

Preferably, a side of the upper closing lid 3 is provided with extended type chimney fan 9, and exhalation vents 11 are set to 9 side of chimney fan End, increases inner volume, increases air quantity.

In the present embodiment, the impeller assembly 5 of pyramidal structure is driven to rotate by shaft 14, by air from the air inlet of blower Mouth 10 sucks, and since impeller assembly 5 and air inlet face are arranged, is just shunted by blade cutting when being just inhaled into internal body, It is discharged from exhalation vents 11, increases air quantity, under the driving of high-voltage brushless motor 4, the speed of blower obtains adjustable, makes wind Machine is applicable in different working ranges, while the stability of blower interior is also greatly improved.

Preferably, cooling wind blade 8, connecting plate 6 and lower cover 1 are provided on the shaft 14 of 402 lower end of rotor It is equipped with thermovent 12.

Under the optimum condition, is radiated by the way that cooling wind blade 8 is arranged to high-voltage brushless motor 4, make it in high revolving speed Under, internal heat flows out from thermovent 12.

It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row His property includes, so which element the process, method, article or the device that include a series of elements not only include, and And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic Element.

Specific case used herein is expounded the principles of the present invention and embodiment, above example Illustrate the method and its core concept for being merely used to help understand the utility model.The above is only the preferred of the utility model Embodiment, it is noted that due to the finiteness of literal expression, and objectively there is unlimited specific structure, for this technology For the those of ordinary skill in field, without departing from the principle of this utility model, several improvement, retouching can also be made Or variation, above-mentioned technical characteristic can also be combined in the right way；These improve retouching, variation or combination, or not It is improved that the conception and technical scheme of utility model are directly applied into other occasions, it is regarded as the protection of the utility model Range.

Claims (5)

1. a kind of speed adjusting brushless blower, which is characterized in that it includes lower cover (1), and lower cover (1) top is equipped with lower cover Body (1) encloses the connecting plate (6) with an inner volume, is fixed with motor erection support (2), institute on the connecting plate (6) Stating motor erection support (2) its section is that U-typed structure, upper end extend connect setting with upper closing lid (3) outward, and motor is installed The promising blower of setting provides the high-voltage brushless motor (4) of power on the outside of support (2), and the high-voltage brushless motor (4) is by line Enclose disk body, the coil (401) for being set around the external side of coil panel, the rotor (402) being set on the outside of coil (401) and patch Magnet (403) composition on rotor (402) inner wall is closed, rotor (402) axle center, which is provided with, penetrates motor peace Fill the shaft (14) that support (2) are internal, connect in axially extending supreme closing lid (3) with impeller assembly (5), the shaft (14) Lower end is connect with bearing block (13) and rotor (402)；Control circuit board (7), the control are installed on the connecting plate (6) Circuit board (7) processed connect with high-voltage brushless motor (4), has an air inlet (10) on the blower, and including at least one Exhalation vents (11).

2. a kind of speed adjusting brushless blower according to claim 1, which is characterized in that be located at rotor (402) lower end It is provided on shaft (14) cooling wind blade (8), connecting plate (6) and lower cover (1) are equipped with thermovent (12).

3. a kind of speed adjusting brushless blower according to claim 1, which is characterized in that the blade of the impeller assembly (5) is Pyramidal structure.

4. a kind of speed adjusting brushless blower according to claim 1, which is characterized in that the air inlet (10) is set to upper closing lid (3) top, air inlet are located at the surface of impeller assembly (5).

5. a kind of speed adjusting brushless blower according to claim 1, which is characterized in that a side of the upper closing lid (3) is set It is equipped with extended type chimney fan (9), exhalation vents (11) are set to chimney fan (9) side.