CN210898722U

CN210898722U - Multi-pole permanent magnet synchronous motor for animal husbandry

Info

Publication number: CN210898722U
Application number: CN201922287676.4U
Authority: CN
Inventors: 黄海成; 涂春节; 舒仲撑; 王成; 鲁萍萍
Original assignee: Ge Holding Co ltd
Current assignee: Ge Holding Co ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-06-30
Anticipated expiration: 2029-12-19

Abstract

The utility model provides a multipolar permanent magnet synchronous motor for animal husbandry, is including the casing that has the direct hole of column, front end housing and rear end cap are installed respectively to both ends around the casing, the rear end cap is tubular structure, and the nozzle of rear end cap is provided with the nozzle closing cap, the bobbin base of rear end cap is provided with the erection column that is used for installing driver electronic components, be provided with the terminal box that is linked together with the inside of rear end cap on the casing. The utility model discloses, after driver electronic components is on installing the erection column of rear end cover, driver electronic components is difficult for contacting the moist object in the poultry place, is difficult for weing, and driver electronic components is difficult for burning out, can guarantee the normal work of motor and fan betterly.

Description

Multi-pole permanent magnet synchronous motor for animal husbandry

Technical Field

The utility model relates to the field of electric machines, more specifically say and relate to a multipolar permanent magnet synchronous motor for animal husbandry.

Background

Most of the animal husbandry environments are humid and high-temperature environments, a motor and a fan are generally configured for dehumidification and heat dissipation to ensure the living environment of livestock, the motor generally adopts a multi-pole permanent magnet synchronous motor (such as a three-phase synchronous motor) and is matched with a motor driver, and the actions of motor speed regulation, motor forward and reverse rotation and the like are completed through the motor driver. However, the traditional motor and the driver are usually arranged separately, the driver is easy to contact with wet objects (such as wet forage, wet shed frames and the like), and electronic components of the driver inside are easy to be affected with damp, so that the driver is easy to burn out, further, the whole motor cannot normally work, livestock is easy to be died, and the herdsman is easy to suffer from great economic loss; in addition, because in the animal husbandry place, moist, high temperature place or region are the maldistribution, need often to shift the motor and blow or dispel the heat (the motor is used for driving the fan) to the moist region, therefore, also put forward higher requirement to the convenience that the motor used, and driving motor's motor driver is connected with external power cord through electric wire or cable usually, all need cut the electric wire when shifting the motor every time, need rewiring when the re-energization, therefore, the connection with external power cord is fairly loaded down with trivial details, influence the operating efficiency, and there is certain potential safety hazard.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a multipolar permanent magnet synchronous motor for animal husbandry, which is provided with a rear end cover with a special structure, so that after a driver electronic component is arranged on an installation column of the rear end cover, the driver electronic component is not easy to contact with a damp object in a livestock raising place and wet, the driver electronic component is not easy to burn out, and the normal work of a motor and a fan can be better ensured; through setting up the aviation plug, solved the motor when shifting with the inconvenient nature of external power cord disconnection, and shift the back with the inconvenient nature when being connected again of external power cord, simultaneously, aviation plug insulating nature is good, and the protection level is high, keeps apart the inside and outside of terminal box, helps guaranteeing the security performance of motor.

The utility model discloses a concrete technical scheme as follows: the utility model provides a multipolar permanent magnet synchronous motor for animal husbandry, is including the casing that has the direct hole of column, front end housing and rear end cap are installed respectively to both ends around the casing, the rear end cap is tubular structure, and the nozzle of rear end cap is provided with the nozzle closing cap, the bobbin base of rear end cap is provided with the erection column that is used for installing driver electronic components, be provided with the terminal box that is linked together with the inside of rear end cap on the casing. This application, back on the erection column of installing the rear end cap when driver electronic components, driver electronic components is difficult for contacting the moist object in the poultry place, is difficult for weing, and driver electronic components is difficult for burning out, can guarantee the normal work of motor and fan betterly.

Preferably, the junction box is located right above the rear end cover cylinder wall. The external power line connected with the junction box is far away from the main shaft of the motor, and the risk coefficient of the external power line of the junction box wound on the main shaft is reduced.

Preferably, an aviation plug is connected to the junction box to isolate the inside of the junction box from the outside. The setting of aviation plug has solved the motor inconvenient nature with external power cord disconnection when shifting, and the inconvenient nature when shifting back and external power cord's reconnection, and simultaneously, aviation plug insulating nature is good, and the protection level is high, keeps apart the inside and outside of terminal box, helps guaranteeing the security performance of motor.

Preferably, the inner wall of the rear end cover is provided with a plurality of annular axial reinforcing ribs. So that the strength of the rear cover is high.

Preferably, a stator, a rotor and a spindle are installed in the hollow interior of the housing, the stator is fixedly installed in the inner hole of the housing, the rotor is installed in the inner hole of the stator in a clearance mode and is fixedly connected with the spindle to drive the spindle to rotate, and the spindle penetrates through the front end cover and extends out of the front end cover.

Generally, in large livestock farms, the requirement on a motor is higher, fan blades are required to be large, wind power is required to be large, and meanwhile, the rotating speed cannot be too high, otherwise, heat generation is too fast, once the heat generation is too fast, the motor cannot effectively dissipate heat in the livestock farms with humidity and high temperature, and the motor is easy to burn out, so that the characteristics of high rotating speed and low torque of the traditional motor cannot meet the requirement far, the motor is required to have the characteristics of low rotating speed and high torque, and the multipole permanent magnet synchronous motor has 10-15N-S pole pairs preferably. The motor has large output torque and large output force at a slow rotating speed, and the running efficiency of the motor is high.

Preferably, the number of N-S pole pairs of the multi-pole permanent magnet synchronous motor is 12.

To sum up, the utility model discloses following beneficial effect has:

the rear end cover with a special structure is arranged, so that after the driver electronic components are installed on the installation columns of the rear end cover, the driver electronic components are not easy to contact with damp objects in a livestock farm and are not easy to damp, the driver electronic components are not easy to burn out, and the normal work of the motor and the fan can be well guaranteed; the aviation plug is arranged, so that the inconvenience that the motor is disconnected with an external power line during transfer and the inconvenience that the motor is reconnected with the external power line after transfer are solved, and meanwhile, the aviation plug is good in insulating property and high in protection level, the inside of the junction box is isolated from the outside, and the safety performance of the motor is guaranteed; the motor has the characteristics of low rotating speed and large torque by arranging 10-15N-S pole pairs.

Drawings

Fig. 1 is a schematic diagram of the structure of the motor of the present invention;

fig. 2 is a schematic sectional view of the motor of the present invention.

Detailed Description

The present invention will be further explained by the following embodiments with reference to the attached drawings.

Example 1: as shown in fig. 1-2, a multipolar permanent magnet synchronous motor for animal husbandry comprises a casing 1 having a cylindrical through inner hole, a stator 4, a rotor 5 and a main shaft 6 are installed in the hollow interior of the casing 1, the stator 4 is fixedly installed in the inner hole of the casing 1, the rotor 5 is installed in the inner hole of the stator 4 with a gap and is fixedly connected with the main shaft 6 to drive the main shaft 6 to rotate, a front end cover 7 and a rear end cover 8 are respectively installed at the front end and the rear end of the casing 1, the main shaft 6 passes through the front end cover 7 and extends out of the front end cover 7, the rear end cover 8 is a cylindrical structure, a cylinder opening sealing cover 81 is arranged at a cylinder opening of the rear end cover 8, an installation column 82 for installing a driver electronic component is arranged at the cylinder bottom of the rear end cover 8, the driver electronic component is not shown in the drawing, a junction box 2 communicated with the interior of the rear, the junction box 2 is used for wiring to realize the electrification of electronic components and external power lines of the driver, and specifically, the box bottom of the junction box 2, the shell 1 and the wall of the rear end cover 8 are provided with threading holes 9 for installing wires (not shown in the figure of the wires) to be connected with the external power lines. The motor in this embodiment for back on the erection column 82 of installing rear end cover 8, the difficult moist object that contacts in the poultry place of driver electronic components, difficult weing, driver electronic components are difficult for burning out, can guarantee the normal work of motor and fan better, specifically, terminal box 2 accessible screw fastening is at casing 1, also can the lug weld at casing 1. Preferably, the junction box 2 is located right above the cylinder wall of the rear end cover 8, so that an external power line connected with the junction box 2 is far away from a main shaft of the motor, and the risk coefficient of the external power line of the junction box winding on the main shaft is reduced.

Being connected with the aviation plug 3 on the terminal box 2, the setting of aviation plug 3 has solved the motor inconvenient nature with external power source line disconnection when shifting, and the inconvenient nature when shifting back and external power source line's reconnection, and simultaneously, aviation plug 3 insulating nature is good, and protection level is high, keeps apart 2 inside and outsides of terminal box, helps guaranteeing the security performance of motor.

Preferably, the inner wall of the rear end cover 8 is provided with a plurality of annular axial reinforcing ribs 83, so that the rear end cover has high strength.

The multi-pole permanent magnet synchronous motor has 10-15N-S pole pairs, the rated rotating speed of the motor is 300-600 revolutions per minute, and in the embodiment, the rated rotating speed of the motor is 500 revolutions per minute. By the arrangement, the motor has large output torque at a slow rotating speed, large output power and high motor operation efficiency. In this embodiment, the number of N-S pole pairs of the multi-pole permanent magnet synchronous motor is 12.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.

Claims

1. The utility model provides a multipolar permanent magnet synchronous motor for animal husbandry, is including casing (1) that has the direct hole of column, front end housing (7) and rear end cap (8) are installed respectively to both ends around casing (1), its characterized in that, rear end cap (8) are the tubular structure, and the nozzle of rear end cap (8) is provided with nozzle closing cap (81), the bobbin base of rear end cap (8) is provided with erection column (82) that are used for installing driver electronic components, be provided with terminal box (2) that are linked together with the inside of rear end cap (8) on casing (1).

2. A multipolar permanent magnet synchronous motor for animal husbandry according to claim 1, characterized in that the terminal box (2) is located directly above the wall of the rear end cap (8).

3. Multipolar permanent-magnet synchronous motor for animal husbandry according to claim 1, characterized in that an aviation plug (3) is connected to the terminal box (2) for the purpose of isolating the inside of the terminal box (2) from the outside.

4. Multipolar permanent-magnet synchronous motor for animal husbandry according to claim 1, characterised in that the inner wall of the rear end cap (8) is provided with a plurality of axial stiffening ribs (83) distributed annularly.

5. The multipolar permanent magnet synchronous motor for the animal husbandry is characterized in that a stator (4), a rotor (5) and a main shaft (6) are installed inside a hollow part of the machine shell (1), the stator (4) is fixedly installed in an inner hole of the machine shell (1), the rotor (5) is installed in the inner hole of the stator (4) in a clearance mode and is fixedly connected with the main shaft (6) to drive the main shaft (6) to rotate, and the main shaft (6) penetrates through a front end cover (7) and extends out of the front end cover (7).

6. A multipole permanent-magnet synchronous motor for animal husbandry according to claim 5, characterized in that it has 10-15N-S pole pairs.

7. The multipole permanent magnet synchronous motor for animal husbandry according to claim 6, characterized in that the number of N-S pole pairs of the multipole permanent magnet synchronous motor is 12.

8. The multipolar permanent magnet synchronous motor for animal husbandry according to claim 1, characterized in that the box bottom of the junction box (2), the shell (1) and the cylinder wall of the rear end cover (8) are correspondingly provided with threading holes (9).