CN212435525U

CN212435525U - Energy-saving three-phase asynchronous motor

Info

Publication number: CN212435525U
Application number: CN202021578668.1U
Authority: CN
Inventors: 邢冬梅
Original assignee: Jinda Motor Co ltd Wendeng Cit
Current assignee: Jinda Motor Co ltd Wendeng Cit
Priority date: 2020-08-03
Filing date: 2020-08-03
Publication date: 2021-01-29
Anticipated expiration: 2030-08-03

Abstract

The utility model belongs to the technical field of asynchronous motors, in particular to an energy-saving three-phase asynchronous motor, which comprises a main shell, wherein the left side inside the main shell is fixedly connected with two reset springs, the right side of the reset springs is fixedly connected with a mounting plate, the middle end inside the mounting plate is provided with a bearing, the left side of a rotating shaft is fixedly connected with a connecting iron core, the left side of the connecting iron core is movably connected with an electromagnetic block, the left side of the electromagnetic block is fixedly connected with a rotating rod, the left end of the rotating rod passes through the bearing and extends into the interior of a fan cover, the left side of the rotating rod is provided with fan blades, the top inside the main shell is sequentially provided with a temperature sensor module and a controller from left to right, thereby achieving the effect of conveniently controlling whether the fan blades radiate heat in the motor according to the temperature in the motor, avoiding the problem that the fan blades rotate all, the energy consumption of the motor in the operation process is reduced.

Description

Energy-saving three-phase asynchronous motor

Technical Field

The utility model relates to an asynchronous machine technical field, concretely relates to energy-saving three-phase asynchronous machine.

Background

The motor is an electromagnetic device for realizing electric energy conversion or transmission according to the electromagnetic induction law, the motor can be divided into two categories of motors and generators, the motor is represented by a letter M in a circuit and mainly used for generating driving torque to serve as a power source of electrical appliances or various machines, the generator is represented by a letter G in the circuit and mainly used for converting electric energy into mechanical energy, the three-phase asynchronous motor is a type of motor powered by simultaneously connecting a 380V three-phase alternating current power supply (with the phase difference of 120 degrees), the three-phase asynchronous motor is called as a three-phase asynchronous motor because the rotating magnetic fields of a rotor and a stator of the three-phase asynchronous motor rotate in the same direction and different rotating speeds and have slip ratios, the three-phase asynchronous motor is an induction motor, after current is introduced into the stator, part of magnetic flux passes through a short circuit ring and generates induction current in the short circuit ring, and the, after the rotor is electrified and started, the rotor winding induces electromotive force and current due to relative motion between the rotor winding and the magnetic field, namely, the rotating magnetic field and the rotor have relative rotating speed and interact with the magnetic field to generate electromagnetic torque, so that the rotor rotates, and energy conversion is realized.

The existing energy-saving three-phase asynchronous motor can not control whether the fan blades radiate heat in the motor or not according to the temperature in the motor, the fan blades rotate to radiate the heat when the motor starts to operate, and then internal related elements are easily damaged and a large amount of dust enters a dust cover of the motor, so that the energy consumption in the operation process of the motor is increased.

Disclosure of Invention

The utility model provides a not enough to prior art, the utility model provides an energy-saving three-phase asynchronous machine has and conveniently dispels the heat in to the motor according to the temperature control flabellum in the motor, avoids the flabellum to rotate the problem that the damage and a large amount of dust that cause to internal relevant component got into motor dust cover department always, reduces the power consumption's of motor operation in-process characteristics.

In order to achieve the above object, the utility model provides a following technical scheme: an energy-saving three-phase asynchronous motor comprises a main shell, wherein a fan cover is installed on the left side of the main shell, an excitation winding is installed inside the main shell, an armature core is movably connected inside the excitation winding, a rotating shaft penetrates through the inside of the armature core, the right end of the rotating shaft penetrates through the main shell and extends to the right side of the main shell, a plurality of radiating holes are formed in the right side of the main shell in a penetrating manner, a plurality of air inlet holes are formed in the left side of the main shell and the left side of the fan cover in a penetrating manner, two reset springs are fixedly connected on the left side of the inside of the main shell, mounting plates are fixedly connected on the right sides of the two reset springs, a bearing is installed at the middle end inside of the mounting plates, a connecting core is fixedly connected on the left side of the rotating, the left end of bull stick passes the bearing and extends to the inside of fan housing, the flabellum is installed in the left side of bull stick, temperature sensor module and controller are from left to right installed in proper order to the inside top of the main casing body, be electric connection between temperature sensor module and controller and the electromagnetism piece.

In order to carry out the shock attenuation buffering to the vibrations that produce in the main casing body, conduct the utility model relates to an energy-saving three-phase asynchronous machine is preferred, a plurality of damping spring of lateral wall fixedly connected with of the main casing body, it is a plurality of damping spring's lateral wall fixedly connected with shell.

In order to avoid the dust to get into the main casing internal damage that causes the internal component, as the utility model relates to an energy-saving three-phase asynchronous machine is preferred, the inside fixedly connected with dust filter of fan housing, dust filter is located the left side of flabellum.

For the friction that produces between the convenient reduction armature core and the excitation winding the two, as the utility model relates to an energy-saving three-phase asynchronous machine is preferred, both ends communicate respectively about the main casing body has oiling mouth and oil-out, the other end of oiling mouth and oil-out all runs through the shell and extends to the outside of shell.

The utility model has the advantages that:

1. the energy-saving three-phase asynchronous motor is characterized in that when the motor runs, heat is generated in the running process, when the temperature in the main shell is too high, the temperature sensor module transmits detected information to the controller, the controller controls the electromagnetic block to be electrified to generate magnetic force, the electromagnetic block is attracted with the connecting iron core, the reset spring stretches, meanwhile, the electromagnetic block drives the rotating rod and the fan blades to move rightwards, then the rotating shaft in the motor drives the rotating rod to rotate through the bearing, the fan blades rotate to dissipate heat in the main shell, when the temperature in the main shell reaches a qualified temperature, the temperature sensor module transmits the detected information to the controller, the controller controls the electromagnetic block to be powered off, and then the fan blades stop rotating to dissipate heat in the main shell, so that the effect of conveniently controlling whether the fan blades dissipate heat in the motor according to the temperature in the motor is achieved, the problems that the fan blades rotate all the time to cause damage to internal relevant elements and a large, the energy consumption of the motor in the operation process is reduced.

2. This kind of energy-saving three-phase asynchronous motor, the motor operation in-process carries out the shock attenuation buffering to the vibrations that main casing internal production through a plurality of damping spring.

3. This kind of energy-saving three-phase asynchronous motor, the air that gets into through a plurality of fresh air inlets in the heat dissipation process filters through the dust filter, avoids the dust to get into the damage that causes interior component in the main casing.

Drawings

In the drawings:

fig. 1 is a cross-sectional view of an energy-saving three-phase asynchronous motor of the present invention;

fig. 2 is a cross-sectional view of the utility model at a.

The labels in the figure are: 1. a main housing; 101. heat dissipation holes; 102. an air inlet hole; 103. an excitation winding; 104. an armature core; 105. a rotating shaft; 106. an oil filling port; 107. an oil outlet; 2. a fan housing; 3. connecting the iron cores; 301. an electromagnetic block; 302. mounting a plate; 303. a bearing; 304. a rotating rod; 305. a fan blade; 306. a return spring; 4. a temperature sensor module; 401. a controller; 5. a damping spring; 501. a housing; 6. and (4) a dust filter plate.

Detailed Description

As shown in fig. 1-2, the utility model provides the following technical solutions: an energy-saving three-phase asynchronous motor comprises a main shell 1, a fan cover 2 is installed on the left side of the main shell 1, an excitation winding 103 is installed inside the main shell 1, an armature core 104 is movably connected inside the excitation winding 103, a rotating shaft 105 is connected inside the armature core 104 in a penetrating manner, the right end of the rotating shaft 105 penetrates through the main shell 1 and extends to the right side of the main shell 1, a plurality of radiating holes 101 are formed in the right side of the main shell 1 in a penetrating manner, a plurality of air inlet holes 102 are formed in the left side of the main shell 1 and the left side of the fan cover 2 in a penetrating manner, two reset springs 306 are fixedly connected to the left side inside of the main shell 1, a mounting plate 302 is fixedly connected to the right sides of the two reset springs 306, a bearing 303 is installed at the middle end inside the mounting plate 302, a connecting iron core 3 is fixedly, the left end of the rotating rod 304 passes through the bearing 303 and extends to the inside of the fan housing 2, the fan blades 305 are installed on the left side of the rotating rod 304, the temperature sensor module 4 and the controller 401 are sequentially installed at the top end of the inside of the main housing 1 from left to right, and the temperature sensor module 4, the controller 401 and the electromagnetic block 301 are electrically connected.

In this embodiment: the type of the temperature sensor module 4 is: DS18B20, the model of the controller 401 can be MAM-330, when the motor runs, heat is generated in the running process, when the temperature in the main shell 1 is too high, the temperature sensor module 4 transmits the detected information to the controller 401, the controller 401 controls the electromagnetic block 301 to be electrified to generate magnetic force, the electromagnetic block 301 is attracted with the connecting iron core 3, the reset spring 306 is stretched, meanwhile, the electromagnetic block 301 drives the rotating rod 304 and the fan blades 305 to move rightwards, then the rotating shaft 105 in the motor drives the rotating rod 304 to rotate through the bearing 303, the fan blades 305 rotate to dissipate heat in the main shell 1, when the temperature in the main shell 1 reaches the qualified temperature, the temperature sensor module 4 transmits the detected information to the controller 401, the controller 401 controls the electromagnetic block 301 to be powered off, and then the fan blades 305 stop rotating to dissipate heat in the main shell 1, thereby achieving the effect of conveniently controlling whether the fan blades 305 dissipate heat in the motor according to the temperature in the motor, the problems that the fan blades 305 rotate all the time to damage internal relevant components and a large amount of dust enters the dust cover of the motor are solved, and energy consumption in the running process of the motor is reduced.

As a technical optimization scheme of the utility model, a plurality of damping spring 5 of lateral wall fixedly connected with of main casing body 1, a plurality of damping spring 5's lateral wall fixedly connected with shell 501.

In this embodiment: during the operation of the motor, the vibration generated in the main shell 1 is damped and buffered by the damping springs 5.

As a technical optimization scheme of the utility model, the inside fixedly connected with dust filter 6 of fan housing 2, dust filter 6 is located the left side of flabellum 305.

In this embodiment: the air entering through the plurality of air inlet holes 102 during the heat dissipation process is filtered by the dust filter 6, so that the dust is prevented from entering the main casing 1 to damage the internal components.

As a technical optimization scheme of the utility model, main casing body 1 upper and lower both ends communicate respectively has oiling mouth 106 and oil-out 107, and the other end of oiling mouth 106 and oil-out 107 all runs through shell 501 and extends to shell 501's outside.

In this embodiment: lubricating oil is injected into the armature core 104 and the field winding 103 in the main housing 1 through the oil injection port 106, so that friction generated between the armature core 104 and the field winding 103 is reduced conveniently.

The utility model discloses a theory of operation and use flow: when the motor runs, heat is generated in the running process, when the temperature in the main shell 1 is overhigh, the temperature sensor module 4 transmits detected information to the controller 401, the controller 401 controls to electrify the electromagnetic block 301 to generate magnetic force, the electromagnetic block 301 and the connecting iron core 3 attract each other, the reset spring 306 stretches, meanwhile, the electromagnetic block 301 drives the rotating rod 304 and the fan blades 305 to move rightwards, then the rotating shaft 105 in the motor drives the rotating rod 304 to rotate through the bearing 303, the fan blades 305 rotate to dissipate heat in the main shell 1, when the temperature in the main shell 1 reaches the qualified temperature, the temperature sensor module 4 transmits the detected information to the controller 401, the controller 401 controls to cut off the power of the electromagnetic block 301, and then the fan blades 305 stop rotating to dissipate heat in the main shell 1, air entering through the plurality of air inlet holes 102 during heat dissipation is filtered through the dust filtering plate 6, and during the running process of the motor, vibration generated in the main casing 1 is damped and buffered by the plurality of damper springs 5, and lubricating oil is injected into the armature core 104 and the field winding 103 in the main casing 1 through the oil filling port 106.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

However, the above embodiments are only examples of the present invention, and the scope of the present invention should not be limited thereby, and the replacement of the equivalent components or the equivalent changes and modifications made according to the protection scope of the present invention should be covered by the claims.

Claims

1. The utility model provides an energy-saving three-phase asynchronous motor, includes main casing body (1), fan housing (2) are installed in the left side of main casing body (1), the internally mounted of main casing body (1) has excitation winding (103), the inside swing joint that excites winding (103) has armature core (104), the inside through connection of armature core (104) has pivot (105), the right-hand member of pivot (105) runs through main casing body (1) and extends to the right side of main casing body (1), the right side of main casing body (1) is run through and is seted up a plurality of louvres (101), the left side of main casing body (1) and the left side of fan housing (2) all run through and have seted up a plurality of fresh air inlets (102), its characterized in that: two return springs (306) are fixedly connected to the left side inside the main shell (1), mounting plates (302) are fixedly connected to the right sides of the two return springs (306), the middle end in the mounting plate (302) is provided with a bearing (303), the left side of the rotating shaft (105) is fixedly connected with a connecting iron core (3), the left side of the connecting iron core (3) is movably connected with an electromagnetic block (301), the left side of the electromagnetic block (301) is fixedly connected with a rotating rod (304), the left end of the rotating rod (304) passes through the bearing (303) and extends to the interior of the fan cover (2), the left side of the rotating rod (304) is provided with fan blades (305), the top end inside the main shell (1) is sequentially provided with a temperature sensor module (4) and a controller (401) from left to right, the temperature sensor module (4) is electrically connected with the controller (401) and the electromagnetic block (301).

2. An energy-saving three-phase asynchronous machine according to claim 1, characterized in that: the lateral wall fixedly connected with of main casing body (1) a plurality of damping spring (5), it is a plurality of damping spring (5)'s lateral wall fixedly connected with shell (501).

3. An energy-saving three-phase asynchronous machine according to claim 1, characterized in that: the inside fixedly connected with dust filter (6) of fan housing (2), dust filter (6) are located the left side of flabellum (305).

4. An energy-saving three-phase asynchronous machine according to claim 2, characterized in that: the upper end and the lower end of the main shell (1) are respectively communicated with an oil filling port (106) and an oil outlet (107), and the other ends of the oil filling port (106) and the oil outlet (107) penetrate through the shell (501) and extend to the outside of the shell (501).