CN211296427U

CN211296427U - Permanent magnet synchronization-based internal heat dissipation type overload protection motor

Info

Publication number: CN211296427U
Application number: CN201921911275.5U
Authority: CN
Inventors: 徐艳梅; 曾双青
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2020-08-18
Anticipated expiration: 2029-11-07

Abstract

The utility model relates to a motor overload protection technical field just discloses an interior heat dissipation formula overload protection motor based on permanent-magnet synchronization, the on-line screen storage device comprises a base, the bottom left and right sides of base all is provided with the buffer seat, the top left and right sides fixed mounting of base has the buffer seat, this interior heat dissipation formula overload protection motor based on permanent-magnet synchronization. Can detect the electric current that lets in the motor through overload protection ware, just can start air switch when exceeding rated current, cut off the power supply to the motor, the working circuit of effective separation motor, make motor stall, prevent that the motor from being burnt out under overload state, the circular telegram of alarm this moment, send out the police dispatch newspaper, remind operator's motor overload phenomenon to appear, be convenient for the operator in time carry out the change of motor or power, the heat effluvium that produces motor inside is used through the cooperation of fan and heat dissipation rotor, prevent that the motor is burnt out to the inside high temperature of motor.

Description

Permanent magnet synchronization-based internal heat dissipation type overload protection motor

Technical Field

The utility model relates to a motor overload protection technical field specifically is an interior heat dissipation formula overload protection motor based on permanent magnetism is synchronous.

Background

The motor is an electromagnetic device for realizing electric energy conversion or transmission according to the electromagnetic induction law, the motor is represented by a letter M in a circuit, the motor mainly has the function of generating driving torque and is used as a power source of electric appliances or various machines, the generator is represented by a letter G in the circuit, and the generator mainly has the function of converting electric energy into mechanical energy.

However, when the power supply is overloaded in the use process of the motor in the current market, the motor is easily burnt out, the overload protection function is not provided, the heat in the motor cannot be dissipated, the motor is easily burnt out due to the overlarge heat generated during the working of the motor, and the motor fixing device is not provided, so that the rotation of the rotating shaft is unstable due to the vibration generated during the working of the motor.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an interior heat dissipation formula overload protection motor based on permanent magnetism is synchronous possesses overload detection, and air switch is to the current-off when the electric current is too big, and the alarm reminds personnel to change, and heat dispersion is good, and reinforcing motor stability's advantage has been solved current motor and has not overload protection, burns out the circuit easily, and heat dispersion is poor, burns out the motor easily, the poor problem of stability.

(II) technical scheme

For realizing above-mentioned possesses overload detection, air switch is to the current outage when the electric current is too big, and personnel's change is reminded to the alarm, the purpose that heat dispersion is good, the utility model provides a following technical scheme: an internal heat dissipation type overload protection motor based on permanent magnet synchronization comprises a base, wherein buffer seats are arranged on the left side and the right side of the bottom of the base, the buffer seats are fixedly arranged on the left side and the right side of the top of the base, a motor shell is movably connected to the top of each buffer seat, a housing is sleeved on the outer wall of the right side of the motor shell, a filter screen is arranged on the outer wall of the right side of the housing, a fixed plate is fixedly connected to the right side of the inside of the motor shell, a rotating shaft is rotatably connected to the middle position of the fixed plate through a bearing, a fan is rotatably connected to the right end of the rotating shaft, a heat dissipation rotor is sleeved on the outer wall of the rotating shaft, a stator is fixedly arranged between the fixed plate and the inner wall of the motor shell, a, and an alarm is fixedly arranged at the top of the case.

Preferably, the outer wall of the heat dissipation rotor is provided with a sheet magnet, a shaft hole is formed in the middle of the heat dissipation rotor, heat dissipation holes are formed in the heat dissipation rotor, and the heat dissipation speed of the rotor is improved.

Preferably, the inside connecting block that is provided with of cushion socket, the equal fixedly connected with slider of connecting block left and right sides wall, the spout has been seted up to the corresponding slider of cushion socket left and right sides inner wall, be provided with the spring between the inside lower lateral wall of connecting block bottom cushion socket, through second bolt swing joint between connecting block and the motor casing, the vibrations that the motor during operation produced pass through the connecting block and transmit for the spring, and the slider of connecting block both sides slides at the spout, cushions the vibrations that produce, and the base is the trapezium structure, has stability.

Preferably, a waterproof ring layer is arranged at the connecting position of the machine box and the motor shell, so that rainwater is prevented from entering the machine box to burn out the electric appliance.

Preferably, the inside fixedly connected with electromagnetic winding of stator, electromagnetic winding corresponds the setting with sheet magnet, and the inside electromagnetic winding circular telegram of stator produces magnetic field, and the sheet magnet on heat dissipation rotor surface drives the heat dissipation rotor under the effect of the traction force in magnetic field and takes place to rotate, and the pivot drives the fan and rotates, uses the heat effluvium with the inside production of motor through the cooperation of fan and louvre, prevents that the heat from excessively high burning out the motor.

Preferably, the housing and the fixed plate are fixedly connected through a first bolt, so that the internal parts of the motor can be maintained conveniently, and the left end of the rotating shaft penetrates through the motor shell and is connected with the motor shell through a bearing in a rotating mode.

(III) advantageous effects

Compared with the prior art, the utility model provides an interior heat dissipation formula overload protection motor based on permanent magnetism is synchronous possesses following beneficial effect:

1. this interior heat dissipation formula overload protection motor based on permanent magnetism is synchronous can detect the electric current that lets in the motor through overload protector, just can start air switch when exceeding rated current, cuts off the power supply to the motor, and the working circuit of effective separation motor makes motor stall, prevents that the motor from being burnt out under overload state, and the alarm circular telegram of this moment sends the police dispatch newspaper, reminds the operator motor overload phenomenon to appear, and the operator of being convenient for in time carries out the change of motor or power.

2. This interior heat dissipation formula overload protection motor based on permanent magnetism is synchronous uses the heat effluvium with the inside production of motor through the cooperation of fan and heat dissipation rotor, prevents that the motor is burnt out to the inside high temperature of motor, and the vibrations that the motor during operation produced pass through the connecting block and transmit for the spring, and the slider of connecting block both sides slides at the spout, cushions the vibrations that produce, and the base is the trapezium structure, has stability.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the heat dissipating rotor of the present invention;

FIG. 3 is a schematic view of the structure of the buffer seat of the present invention;

fig. 4 is a schematic diagram of the electromagnetic winding structure of the present invention.

In the figure: 1-base, 2-buffer base, 3-first bolt, 4-filter screen, 5-fan, 6-cover, 7-fixing plate, 8-motor shell, 9-air switch, 10-overload protector, 11-alarm, 12-box, 13-stator, 14-heat dissipation rotor, 15-rotating shaft, 16-sheet magnet, 17-shaft hole, 18-heat dissipation hole, 19-second bolt, 20-connecting block, 21-sliding block, 22-sliding groove, 23-spring and 24-electromagnetic winding.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, an internal heat dissipation type overload protection motor based on permanent magnet synchronization comprises a base 1, wherein buffer bases 2 are arranged on the left side and the right side of the bottom of the base 1, the buffer bases 2 are fixedly arranged on the left side and the right side of the top of the base 1, a motor housing 8 is movably connected to the top of the buffer base 2, a connecting block 20 is arranged inside the buffer base 2, sliding blocks 21 are fixedly connected to the left side and the right side of the connecting block 20, sliding grooves 22 are formed in the inner walls of the left side and the right side of the buffer base 2 corresponding to the sliding blocks 21, a spring 23 is arranged between the lower side wall inside the buffer base 2 at the bottom of the connecting block 20, the connecting block 20 is movably connected with the motor housing 8 through a second bolt 19, vibration generated during the operation of the motor is transmitted to the spring 23 through the connecting block, the right outer wall of the motor shell 8 is sleeved with a cover shell 6, the right outer wall of the cover shell 6 is provided with a filter screen 4, the right inside of the motor shell 8 is fixedly connected with a fixing plate 7, the middle position of the fixing plate 7 is rotatably connected with a rotating shaft 15 through a bearing, the right end of the rotating shaft 15 is rotatably connected with a fan 5, the cover shell 6 and the fixing plate 7 are fixedly connected through a first bolt 3, the maintenance of the internal parts of the motor is convenient, the left end of the rotating shaft 15 penetrates through the motor shell 8 and is rotatably connected with the motor shell 8 through the bearing, the outer wall of the rotating shaft 15 is sleeved with a heat dissipation rotor 14, the outer wall of the heat dissipation rotor 14 is provided with a sheet magnet 16, the middle of the heat dissipation rotor 14 is provided with a shaft hole 17, the heat dissipation hole 18 is formed inside, the electromagnetic winding 24 is arranged corresponding to the sheet-shaped magnet 16, the electromagnetic winding 24 inside the stator 13 is electrified to generate a magnetic field, the sheet-shaped magnet 16 on the surface of the heat dissipation rotor 14 drives the heat dissipation rotor 14 to rotate under the action of traction force of the magnetic field, the rotating shaft 15 drives the fan 5 to rotate, heat generated inside the motor is dissipated by matching use of the fan 5 and the heat dissipation holes 18, the motor is prevented from being burnt out due to overhigh heat, a machine box 12 is fixedly arranged on the left side of the top of the motor shell 8, a waterproof ring layer is arranged at the connecting position of the machine box 12 and the motor shell 8, rainwater is prevented from entering the machine box 12 to burn out an electric appliance, the overload protector 10 is arranged on the left side inside the machine box 12, an air switch 9 is arranged on the right side of the overload protector 10, an alarm 11 is fixedly arranged on the top of the machine box 12, the motor is powered off, the working circuit of the motor is effectively blocked, the motor is stopped to rotate, the motor is prevented from being burnt under the overload state, the alarm 11 is powered on to send an alarm to remind an operator of the overload phenomenon of the motor, and the operator can replace the motor or a power supply conveniently and timely.

The working principle is as follows:

when the motor overload protector is used, the base 1 is fixed at a working place, the box 12 is externally connected with a power supply, the electromagnetic winding 24 in the stator 13 generates a magnetic field, the sheet magnet 16 on the surface of the heat dissipation rotor 14 drives the heat dissipation rotor 14 to rotate under the action of the traction force of the magnetic field, the rotating shaft 15 drives the fan 5 to rotate, heat generated in the motor is dissipated by the cooperation of the fan 5 and the heat dissipation holes 18, the filter screen 4 prevents impurities in outside air from entering an inner cavity of the motor, the housing 6 can be disassembled by rotating the first bolt 3, the maintenance of parts in the motor is convenient, the overload protector 10 can detect current led into the motor, the air switch 9 is started when the rated current is exceeded, the motor is powered off, the working circuit of the motor is effectively blocked, the motor stops rotating, the motor is prevented from being burnt out under an overload state, and the alarm 11 is powered on at, send out the police dispatch newspaper, remind the operator motor overload phenomenon to appear, the operator of being convenient for in time carries out the change of motor or power, and the vibrations that the motor during operation produced pass through connecting block 20 and transmit for spring 23, and the slider 21 of connecting block 20 both sides slides at spout 22, cushions the vibrations that produce, and base 1 is the trapezium structure, has stability.

To sum up, the permanent magnet synchronization-based internal heat dissipation type overload protection motor can detect the current introduced into the motor through the overload protector 10, when the current exceeds the rated current, the air switch 9 is started to cut off the power of the motor, the working circuit of the motor is effectively isolated, the motor is stopped to rotate, the motor is prevented from being burnt down in an overload state, the alarm 11 is powered on to give an alarm to remind an operator of the overload phenomenon of the motor, so that the operator can timely replace the motor or a power supply, the heat generated inside the motor is dissipated through the matching use of the fan 5 and the heat dissipation rotor 14, the motor is prevented from being burnt down due to overhigh temperature inside the motor, the vibration generated during the work of the motor is transmitted to the spring 23 through the connecting block 20, the sliding blocks 21 on the two sides of the connecting block 20 slide in the sliding grooves 22 to buffer the generated vibration, and the base 1 is of a, has good stability. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an interior heat dissipation formula overload protection motor based on permanent magnetism is synchronous, includes base (1), its characterized in that: the motor casing is characterized in that buffer seats (2) are arranged on the left side and the right side of the bottom of the base (1), the buffer seats (2) are fixedly arranged on the left side and the right side of the top of the base (1), a motor casing (8) is movably connected to the top of the buffer seats (2), a housing (6) is sleeved on the outer wall of the right side of the motor casing (8), a filter screen (4) is arranged on the outer wall of the right side of the housing (6), a fixing plate (7) is fixedly connected to the right side of the inside of the motor casing (8), a rotating shaft (15) is rotatably connected to the middle position of the fixing plate (7) through a bearing, a fan (5) is rotatably connected to the right end of the rotating shaft (15), a heat dissipation rotor (14) is sleeved on the outer wall of the rotating shaft (15), a stator (13) is, the inside left side of machine box (12) is provided with overload protection ware (10), the right side of overload protection ware (10) is provided with air switch (9), the top fixed mounting of machine box (12) has alarm (11).

2. The permanent magnet synchronization-based internal heat dissipation type overload protection motor is characterized in that: the outer wall of the heat dissipation rotor (14) is provided with a sheet magnet (16), a shaft hole (17) is formed in the middle of the heat dissipation rotor (14), and heat dissipation holes (18) are formed in the heat dissipation rotor (14).

3. The permanent magnet synchronization-based internal heat dissipation type overload protection motor is characterized in that: buffer seat (2) inside is provided with connecting block (20), the equal fixedly connected with slider (21) of connecting block (20) left and right sides wall, buffer seat (2) left and right sides inner wall corresponds slider (21) and has seted up spout (22), be provided with spring (23) between connecting block (20) bottom buffer seat (2) inside downside wall, through second bolt (19) swing joint between connecting block (20) and motor casing (8).

4. The permanent magnet synchronization-based internal heat dissipation type overload protection motor is characterized in that: and a waterproof ring layer is arranged at the connecting position of the machine box (12) and the motor shell (8).

5. The permanent magnet synchronization-based internal heat dissipation type overload protection motor is characterized in that: the stator (13) is internally and fixedly connected with an electromagnetic winding (24), and the electromagnetic winding (24) is arranged corresponding to the sheet magnet (16).

6. The permanent magnet synchronization-based internal heat dissipation type overload protection motor is characterized in that: housing (6) and fixed plate (7) are through first bolt (3) fixed connection, pivot (15) left end runs through motor casing (8) and passes through the bearing rotation with motor casing (8) and be connected.