CN111431308A

CN111431308A - Simple speed-regulating type outer rotor motor and constant air device with same

Info

Publication number: CN111431308A
Application number: CN202010241408.3A
Authority: CN
Inventors: 李晓宇; 尹洁; 尹东升; 林鑫源
Original assignee: Zhejiang Jiang Yu Motor Co ltd
Current assignee: Zhejiang Jiang Yu Motor Co ltd
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2020-07-17
Anticipated expiration: 2040-03-31
Also published as: CN111431308B

Abstract

The invention provides a simple speed-regulating type outer rotor motor and a constant air device with the same. The outer rotor includes: the rotary support piece is provided with a plurality of first groove groups, a plurality of second groove groups and a ring groove which is coaxial with the rotary support piece; the first magnetic steels are arranged in the first mounting grooves; the second magnetic steels are arranged in the second mounting grooves; a plurality of elastic members, each of which is installed in one of the second installation grooves and configured to urge one of the second magnetic steels to move radially outward of the rotational support; the annular piece is arranged in the annular groove and is provided with a plurality of through holes; and the handle is connected with the annular piece, so that the second magnetic steel moves to the inner side of the annular piece inwards, or the second magnetic steel moves outwards under the driving of the corresponding elastic piece to be inserted into one through hole. The position of the magnetic steel relative to the stator can be changed, so that the rotating speed of the motor can be changed, and the rotating speed of the motor is convenient to adjust.

Description

Simple speed-regulating type outer rotor motor and constant air device with same

Technical Field

The invention relates to the technical field of cultivation, in particular to a simple speed-regulating type outer rotor motor and a constant-wind device with the same.

Background

The animal husbandry is a production department for obtaining animal products such as meat, eggs, milk, wool, cashmere, hide, silk and medicinal materials by utilizing the physiological functions of animals such as livestock and poultry which are domesticated by human beings or wild animals such as deer, musk, fox, mink, otter, quail and the like and converting the plant energy such as pasture, feed and the like into animal energy through artificial feeding and breeding. A cheap motor is adopted in the conventional animal husbandry, and the motor can not be regulated normally, so that the use scene of the motor is limited.

Disclosure of Invention

The invention aims to overcome at least one defect of the existing motor and provides a novel simple speed-regulating type outer rotor motor and a constant air device with the same, wherein the rotating speed of the motor can be simply regulated.

Specifically, in one aspect, the present invention provides a simple speed-adjustable external rotor motor, including a fixed shaft, a stator, and an external rotor disposed outside the stator, wherein the external rotor includes:

two end plates rotatably mounted to the fixed shaft;

the rotating support piece is arranged between the two end plates, and is provided with a plurality of first groove groups, a plurality of second groove groups and a ring groove which is coaxial with the rotating support piece; the first groove groups are uniformly distributed along the circumferential direction of the rotating support piece; the plurality of second groove groups are uniformly distributed along the circumferential direction of the rotating support piece; the ring grooves are formed in the outer sides of the first groove groups, and each second groove group is communicated with the ring groove; the first groove groups and the second groove groups are sequentially arranged at intervals; each of the first slot groups has one first mounting slot, each of the second slot groups has one second mounting slot, or each of the first slot groups has two first mounting slots, and each of the second slot groups has two second mounting slots;

each first magnetic steel is arranged in one first mounting groove;

each second magnetic steel is arranged in one second mounting groove;

a plurality of elastic members, each of which is mounted in one of the second mounting grooves and configured to urge one of the second magnetic steels to move radially outward of the rotary support;

the annular piece is arranged in the annular groove, and a plurality of through holes are formed in the annular piece; and

the handle is connected with the annular piece and stretches out one of the end plates to drive the annular piece to rotate and extrude the second magnetic steel so that the second magnetic steel moves to the inner side of the annular piece to move inwards, or the annular piece is driven to rotate to enable the second magnetic steel to move outwards under the driving of the corresponding elastic piece to be inserted into one of the through holes.

Optionally, the handle comprises a connecting part fixed to the ring-shaped member and an operating part rotatably mounted to the connecting part; the end cover is provided with a guide groove and placing and retaining grooves positioned at two ends of the guide groove; the connecting part is positioned in the guide groove, and the placing and retaining groove is used for placing the operating part.

Optionally, the plurality of first magnetic steels and the plurality of second magnetic steels face a plurality of magnetic poles formed by the stator, and are sequentially arranged according to an S pole and an N pole along the circumferential direction of the rotating support member.

Optionally, the simple speed-adjusting type external rotor motor further comprises a micro motor and a transmission mechanism, and the micro motor drives the handle through the transmission mechanism to drive the annular member to rotate.

On the other hand, the invention provides a constant air device which comprises an air pipe and two fan structures, wherein the air pipe comprises two air pipe sections which are symmetrically arranged and connected with each other; the two fan structures are respectively arranged at two ends of the air pipe through the supporting structures;

the fan structure comprises any one of the simple speed-regulating type outer rotor motors and fan blades arranged on an outer rotor of the simple speed-regulating type outer rotor motor;

one end of each air pipe section, which is provided with the fan structure, is a first end of the air pipe section, and the other end of each air pipe section is a second end;

each air duct section comprises a plurality of first air duct sections and a second air duct section connected with another air duct section; the maximum cross-sectional area of the inner profile of a plurality of said first and second air duct sections of each said air duct section becomes successively smaller along the direction in which said first end of the respective said air duct section points toward said second end;

a plurality of first air supply outlets which are arranged at equal intervals are arranged on the lower side of each first air pipe section, and the air outlet area of the plurality of first air supply outlets of each first air pipe section is sequentially increased along the direction that the first end of the corresponding air pipe section points to the second end; a second air supply outlet is arranged on the lower side of the joint of the two second air pipe subsections;

every be provided with a plurality of wind-guiding structures in the wind pipe section, every wind-guiding structure sets up in one the downstream side of first supply-air outlet, and every wind-guiding structure includes:

a first guide surface that is an arc-shaped guide surface to guide the airflow from the respective first ends into the respective first air supply openings; and

a second guide surface extending from an upper end of the first guide surface to a downstream side, onto a lower inner peripheral wall of the air duct, and in a direction toward the second end along the first end of the respective duct section, a line between a point on an upstream side edge and a corresponding point on a downstream side edge of the second guide surface being a straight line.

Optionally, the lowest side of the circumferential wall of each air duct section is in the same straight line, a partition plate is arranged at the lower side of the joint of the two second air duct sections, and a plurality of communication holes are formed in the partition plate;

the projection of each first air supply outlet in the horizontal plane is rectangular, and the downstream side edge of each second guide surface is positioned at the outlet edge of the corresponding first air supply outlet or the corresponding second air supply outlet;

the height of each of said first guide surfaces is 1/4 times the inside diameter of the corresponding said first air duct section.

Optionally, the constant air device further comprises a humidifying pipe and a plurality of atomizing nozzles communicated with the humidifying pipe; and each first guide surface is provided with one atomizing nozzle, and the upper side of the second air supply outlet is provided with one atomizing nozzle.

Optionally, the constant air device still includes a plurality of heating pipes, the equipartition in the tuber pipe, be in the middlemost the power of heating pipe is minimum, follow the directional direction at both ends in middle part of tuber pipe, the power of heating pipe grow in proper order.

In the simple speed-regulating type outer rotor motor and the constant wind device with the same, the position of the magnetic steel relative to the stator can be changed due to the elastic part, the annular part and the handle, so that the rotating speed of the motor can be changed, the rotating speed of the motor is convenient to adjust, and the motor is particularly suitable for the breeding industry.

Furthermore, the special structure of the constant air device can make the air output, the air speed and the like of each air supply outlet consistent as much as possible, further convey air flow to a plurality of positions of the breeding room, make the air output of each position consistent, make the fresh air in the breeding room uniform as much as possible, and provide a good breeding environment.

The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

fig. 1 is a schematic structural view of a simple-speed-adjustable outer rotor motor according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a simple speed-regulated outer rotor motor according to an embodiment of the present invention;

FIG. 3 is a schematic block diagram of a constant wind apparatus according to one embodiment of the present invention;

FIG. 4 is a schematic partial block diagram of the constant air device of FIG. 3;

fig. 5 is a schematic view of a wind guide structure in the constant wind device shown in fig. 3.

Detailed Description

Fig. 1 is a schematic structural view of a simple speed-adjustable external rotor motor according to an embodiment of the present invention, and fig. 2 is a schematic cross-sectional view of a simple speed-adjustable external rotor motor according to an embodiment of the present invention, and as shown in fig. 1 and 2, the embodiment of the present invention provides a simple speed-adjustable external rotor motor 30, and the simple speed-adjustable external rotor motor 30 includes a fixed shaft 31, a stator 32, and an external rotor 40 disposed outside the stator 32. Specifically, the outer rotor 40 includes two end plates 41, a rotary support 42, a plurality of first magnetic steels 43, a plurality of second magnetic steels 44, a plurality of elastic members 45, a ring 46, and a handle 47. The two end plates 41 are rotatably mounted to the fixed shaft 31. The rotating support member 42 is installed between the two end plates 41, and the rotating support member 42 is provided with a plurality of first groove groups, a plurality of second groove groups, and a ring groove coaxially disposed with the rotating support member 42. A plurality of first groove groups are evenly distributed in the circumferential direction of the rotary support 42. A plurality of second groove groups are evenly distributed in the circumferential direction of the rotary support 42. The annular groove is arranged on the outer side of the first groove group, and each second groove group is communicated with the annular groove. The plurality of first groove groups and the plurality of second groove groups are arranged at intervals in sequence. Each first groove group is provided with a first mounting groove, each second groove group is provided with a second mounting groove, or each first groove group is provided with two first mounting grooves, and each second groove group is provided with two second mounting grooves. Each first magnetic steel 43 is mounted in one first mounting groove. Each second magnetic steel 44 is mounted in one second mounting groove. Each elastic member 45 is mounted to one of the second mounting grooves and configured to urge one of the second magnetic steels 44 to move radially outward of the rotary support 42. The ring member 46 is installed in the ring groove, and a plurality of through holes are provided in the ring member 46, each of which is provided corresponding to each of the second installation grooves. The handle 47 is connected to the ring 46 and extends out of an end plate 41 to drive the ring 46 to rotate and extrude the second magnetic steel 44, so that the second magnetic steel 44 moves inwards to the inner side of the ring 46, or drive the ring 46 to rotate so that the second magnetic steel 44 moves outwards under the driving of the corresponding elastic element 45 and is inserted into a through hole.

When the simple speed-regulating type outer rotor motor 30 works, the second magnetic steel 44 can be positioned close to the stator 32 under the action of the ring-shaped piece 46, at the moment, the simple speed-regulating type outer rotor motor 30 can have a rotating speed, when the rotating speed needs to be changed, the ring-shaped piece 46 can be driven to move through the handle 47, each through hole corresponds to each second mounting groove, and each second magnetic steel 44 can be inserted into the through hole to be far away from the stator 32 under the action of the elastic piece 45 and the centrifugal force. The simple speed-regulating type outer rotor motor 30 provided by the embodiment of the invention can change the position of the magnetic steel relative to the stator 32, so that the rotating speed of the motor can be changed, the rotating speed of the motor is convenient to regulate, and the simple speed-regulating type outer rotor motor is particularly suitable for the breeding industry.

In some embodiments of the invention, the handle 47 includes a connecting portion fixed to the ring 46 and an operating portion rotatably mounted to the connecting portion. The end cover is provided with a guide groove and a placing and retaining groove 411 positioned at two ends of the guide groove. The connecting portion is located in the guide groove, and each placing and retaining groove 411 is used for placing an operating portion. The retention groove can accommodate not only the operation portion but also prevent the ring member 46 from freely rotating. The plurality of first magnetic steels 43 and the plurality of second magnetic steels 44 are arranged in order of S-pole and N-pole in the circumferential direction of the rotation support 42 toward the plurality of magnetic poles formed by the stator 32.

In some alternative embodiments of the present invention, the simple speed-adjustable external rotor motor 30 further includes a micro motor and a transmission mechanism, and the micro motor drives the handle 47 through the transmission mechanism to drive the ring 46 to rotate.

Fig. 3 is a schematic structural view of a constant air device according to an embodiment of the present invention, and as shown in fig. 3 and referring to fig. 4 and 5, the embodiment of the present invention further provides a constant air device, the constant air device includes an air duct 21 and two fan structures 22, the air duct 21 includes two air duct sections which are symmetrically arranged and connected with each other. The two fan structures 22 are respectively disposed at two ends of the air duct 21 through the supporting structures. The fan structure 22 includes the simple speed-adjustable external rotor motor 30 of any of the above embodiments and fan blades 50 disposed on the external rotor of the simple speed-adjustable external rotor motor 30.

The end of each duct section at which the fan structure 22 is located is a first end of the duct section and the other end is a second end. Each air duct section includes a plurality of first air duct sections 211 and a second air duct section 212 connected to another air duct section. The maximum cross-sectional area of the inner profile of the plurality of first air duct segments 211 and second air duct segments 212 of each air duct segment becomes successively smaller along the direction in which the first end of the respective air duct segment points toward the second end. A plurality of first supply air outlets 23 are provided at equal intervals on the lower side of each first air duct section 211. A second supply air outlet 24 is provided on the underside of the junction of the two second air duct sections 212.

As further shown in fig. 5, a plurality of air guide structures 27 are provided in each duct section, each air guide structure 27 is provided on the downstream side of one of the first air blowing openings 23, and each air guide structure 27 includes a first guide surface 271 and a second guide surface 272. The first guide surfaces 271 are arc-shaped guide surfaces to guide the air flow from the respective first ends into the respective first air blowing openings 23. The second guide surface 272 extends from the upper end of the first guide surface 271 to the downstream side, and onto the lower inner circumferential wall of the duct, and in a direction in which the first end of the respective duct section points to the second end, a line between a point on the upstream side edge and a corresponding point on the downstream side edge of the second guide surface 272 is a straight line.

The constant air device provided by the embodiment of the invention can make the air output, the air speed and the like of each air supply outlet consistent as much as possible, further convey airflow to a plurality of positions of the culture room, make the air output of each position consistent, make the fresh air in the culture room uniform as much as possible, and provide a good culture environment.

In some embodiments of the invention, the projection of each first supply port 23 in the horizontal plane is rectangular, and the downstream side edge of each second guide surface 272 is located at the mouth edge of the corresponding first supply port 23 or second supply port 24. The height of each first guide surface 271 is 1/4 the inside diameter of the corresponding first air duct section 211. The lowest side of the peripheral wall of each air duct section is positioned on the same straight line, a partition plate is arranged on the lower side of the joint of the two second air duct sections 212, and a plurality of communication holes are formed in the partition plate. The air outlet areas of the first air outlets 23 of each first air duct section 211 can be sequentially increased along the direction in which the first end of the corresponding air duct section points to the second end.

In some embodiments of the present invention, the constant air device further comprises a humidifying pipe, a plurality of atomizing nozzles in communication with the humidifying pipe, and a plurality of heating pipes. Each first guide surface is provided with an atomizing nozzle, and the upper side of the second air supply outlet 24 is provided with an atomizing nozzle. A plurality of heating pipes are evenly distributed in the air pipe along the length direction of the air pipe, the power of the heating pipe at the middle is minimum, and the power of the heating pipe is sequentially increased from the direction of the middle pointing to two ends of the air pipe. The arrangement of the atomizing spray head and the heating pipe can ensure the constant-humidity and constant-temperature environment of the breeding room.

Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the invention may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the invention. Accordingly, the scope of the invention should be understood and interpreted to cover all such other variations or modifications.

Claims

1. The utility model provides a simple and easy speed governing formula external rotor electric machine, includes fixed axle, stator and sets up in the external rotor in the stator outside, its characterized in that, the external rotor includes:

two end plates rotatably mounted to the fixed shaft;

each first magnetic steel is arranged in one first mounting groove;

each second magnetic steel is arranged in one second mounting groove;

2. The simple speed-regulating external rotor motor according to claim 1,

the handle comprises a connecting part fixed on the annular part and an operating part rotatably arranged on the connecting part; the end cover is provided with a guide groove and placing and retaining grooves positioned at two ends of the guide groove; the connecting part is positioned in the guide groove, and the placing and retaining groove is used for placing the operating part.

3. The simple speed-regulating external rotor motor according to claim 1,

the first magnetic steels and the second magnetic steels face a plurality of magnetic poles formed by the stator, and the magnetic poles are sequentially arranged along the circumferential direction of the rotating supporting piece according to an S pole and an N pole.

4. The electric machine of claim 1, further comprising a micro motor and a transmission mechanism, wherein the micro motor drives the handle through the transmission mechanism to rotate the ring.

5. A constant air device is characterized by comprising an air pipe and two fan structures, wherein the air pipe comprises two air pipe sections which are symmetrically arranged and mutually connected; the two fan structures are respectively arranged at two ends of the air pipe through the supporting structures;

the fan structure comprises the simple speed-regulating type outer rotor motor and fan blades arranged on an outer rotor of the simple speed-regulating type outer rotor motor, wherein the simple speed-regulating type outer rotor motor comprises a fan body and fan blades;

6. The constant wind device according to claim 5,

the lowest side of the peripheral wall of each air pipe section is positioned on the same straight line, a partition plate is arranged on the lower side of the joint of the two second air pipe sections, and a plurality of communicating holes are formed in the partition plate;

7. The constant air device according to claim 5, further comprising a humidifying pipe and a plurality of atomizing spray heads in communication with the humidifying pipe; and each first guide surface is provided with one atomizing nozzle, and the upper side of the second air supply outlet is provided with one atomizing nozzle.

8. The constant air device according to claim 5, further comprising a plurality of heating pipes uniformly distributed in the air duct, wherein the power of the heating pipe at the middle is the smallest, and the power of the heating pipes is sequentially increased from the middle of the air duct to the direction pointing to the two ends.