CN219124056U

CN219124056U - Motor with overheat protection device

Info

Publication number: CN219124056U
Application number: CN202223335779.1U
Authority: CN
Inventors: 阮志华; 阮志峰
Original assignee: Fuan Hema Motor Co ltd
Current assignee: Fuan Hema Motor Co ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-06-02
Anticipated expiration: 2032-12-12

Abstract

The utility model relates to the technical field of motor devices and discloses a motor with an overheat protection device, which comprises a main shell, wherein four first fixing blocks are fixedly connected to the side surface of the main shell, first fixing holes are formed in the side surfaces of the first fixing blocks, threads are formed in the inner sides of the first fixing holes, first fixing bolts are fixedly connected to the threads in the inner sides of the first fixing holes, four second fixing blocks are fixedly connected to the side surfaces of the main shell far away from the first fixing blocks, second fixing holes are formed in the side surfaces of the second fixing blocks, threads are formed in the inner sides of the second fixing holes, first grooves are formed in the tops of the main shell of the second fixing bolts, the temperature inside the motor is detected by a temperature sensor, the motor is stopped when the temperature inside the motor is overhigh, then the standby motor is started to radiate the inside of the motor by electric quantity in a standby power supply, and the inside parts of the motor are prevented from being burnt out due to overheat.

Description

Motor with overheat protection device

Technical Field

The utility model relates to the technical field of motor devices, in particular to a motor with an overheat protection device.

Background

Most mechanical equipment is generally driven by a motor, the motor of the mechanical equipment has the characteristics of overload operation of the equipment, long-time over-rated current operation and the like in the working process, heat generated by each component in the working process of the motor is mainly transferred to an external environment along the radial direction through a shell, the heat generated in the motor is increased along with the increase of the running time, and the heat generated in the motor cannot be timely transferred to the external environment due to the limited contact area between the heat radiating fins on the traditional shell and an external air domain, so that the temperature rise of each component is higher.

However, when the motor is operated for a long time in a high temperature environment, the internal components of the motor are overheated, so that the motor is burnt, the service life of the motor is directly shortened, the reliability and the durability are greatly reduced, and the maintenance frequency and the maintenance cost are increased.

There is therefore a need for an electric machine with overheat protection means to solve the above problems.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, the present utility model provides an electric motor with overheat protection device, so as to solve the above-mentioned problems in the prior art.

The utility model provides the following technical scheme: the utility model provides a motor with overheat protection device, includes the main casing, four first fixed blocks of side fixedly connected with of main casing, first fixed orifices has all been seted up to the side of first fixed block, the inboard of first fixed orifices all is equipped with the screw thread, the inboard screw thread of first fixed orifices is the first fixing bolt of fixedly connected with, four second fixed blocks of first fixed block fixedly connected with are kept away from to the side of main casing, the second fixed orifices have all been seted up to the side of second fixed block, the inboard of second fixed orifices all is equipped with the screw thread, the inboard screw thread of second fixed orifices is the equal fixedly connected with second fixing bolt the first groove has been seted up at the top of main casing.

Further, the side of first fixing bolt is all fixedly connected with third fixed block, the third fixed hole has all been seted up to the side of third fixed block, the inboard of third fixed hole all is equipped with the screw thread, the inboard screw thread of third fixed hole is all fixedly connected with first fixing bolt, the side of third fixed block is all fixedly connected with protecgulum, first through-hole has been seted up to the side of protecgulum, the inboard swing joint of first through-hole has the armature pivot.

Further, the equal fixedly connected with fourth fixed block of side of second fixing bolt, the fourth fixed hole has all been seted up to the side of fourth fixed block, the inboard of fourth fixed hole all is equipped with the screw thread, the equal fixedly connected with second fixing bolt of screw thread inboard of fourth fixed hole, the equal fixedly connected with connecting block of side of fourth fixed block, the second through-hole has been seted up at the middle part of connecting block side, the inboard swing joint of second through-hole has the armature pivot, the side of connecting block is located the second through-hole and has seted up the third through-hole all around, the side fixedly connected with back lid of connecting block near the fourth fixed block, the fourth through-hole has been seted up to the side of back lid.

Further, the inboard fixedly connected with protective housing of first groove, the top fixedly connected with stand-by power supply of protective housing inner chamber, stand-by power supply's bottom fixedly connected with treater.

Further, the mounting groove has been seted up at the middle part of armature pivot side, the inboard fixedly connected with temperature sensor of mounting groove, temperature sensor's inside is equipped with transmission module, is favorable to detecting the inside temperature of motor through temperature sensor, outage makes the motor stop work when the inside temperature of motor is too high.

Further, the one end fixedly connected with standby motor that the armature pivot is close to the connecting block, one side fixedly connected with heat dissipation pivot that the armature pivot was kept away from to standby motor, thereby the side fixedly connected with fan of heat dissipation pivot is favorable to taking out the inside of back lid with the inside hot air of motor, in the outside of blowing back lid from the fourth through-hole, has increased the radiating efficiency of motor, and the effectual motor of avoiding is inside overheated, has increased the life of motor.

Further, the main shell is fixedly connected with the front cover through a first fixing bolt, the main shell is fixedly connected with the connecting block through a second fixing bolt, and a stator winding is fixedly connected to the inner side of the main shell.

Further, a receiving module and a processing module are arranged in the processor, and the processor is electrically connected with the standby motor; the processor can start the standby motor to radiate the inside of the motor through the electric quantity stored in the standby power supply, so that the internal parts of the motor are prevented from being burnt out due to overheating, the reliability and the durability of the motor are improved, and the maintenance frequency and the maintenance cost are reduced.

The utility model has the technical effects and advantages that:

1. the fan is arranged, so that hot air in the motor is pumped into the rear cover through the third through hole, and the hot air is blown out of the rear cover from the fourth through hole, so that the heat dissipation efficiency of the motor is improved, the overheating of the interior of the motor is effectively avoided, and the service life of the motor is prolonged.

2. The utility model is beneficial to detecting the temperature inside the motor through the temperature sensor by the standby power supply, the processor and the temperature sensor, and stopping the motor when the temperature inside the motor is overhigh, and then starting the standby motor to radiate the inside of the motor through the electric quantity inside the standby power supply, so that the internal parts of the motor are prevented from being burnt out due to overheat, the reliability and the durability of the motor are improved, and the maintenance frequency and the maintenance cost are reduced.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is an exploded view of the overall structure of the present utility model.

Fig. 3 is a schematic view of the structure of the housing of the present utility model.

Fig. 4 is a schematic cross-sectional view of a protective shell according to the present utility model.

Fig. 5 is a schematic diagram of an armature shaft structure according to the present utility model.

The reference numerals are: 1. a main housing; 101. a first fixed block; 1011. a first fixing hole; 1012. a first fixing bolt; 102. a second fixed block; 1021. a second fixing hole; 1022. a second fixing bolt; 103. a first groove; 104. a stator winding; 2. a front cover; 201. a first through hole; 202. a third fixed block; 203. a third fixing hole; 3. a connecting block; 301. a second through hole; 302. a third through hole; 303. a fourth fixed block; 304. a fourth fixing hole; 305. a rear cover; 306. a fourth through hole; 4. a protective shell; 401. a standby power supply; 402. a processor; 5. an armature shaft; 501. a mounting groove; 502. a temperature sensor; 6. a standby motor; 601. a heat dissipation rotating shaft; 602. a fan.

Detailed Description

The embodiments of the present utility model will be described more fully with reference to the drawings in the present utility model, and the configurations of the structures described in the following embodiments are merely examples, and the motor with overheat protection device according to the present utility model is not limited to the configurations described in the following embodiments, and all other embodiments obtained by a person skilled in the art without making any creative effort are within the scope of the present utility model.

Referring to fig. 1-3, the utility model provides a motor with overheat protection device, comprising a main housing 1, wherein four first fixing blocks 101 are fixedly connected to the side surface of the main housing 1, first fixing holes 1011 are formed in the side surfaces of the first fixing blocks 101, threads are formed in the inner sides of the first fixing holes 1011, first fixing bolts 1012 are fixedly connected to the threads on the inner sides of the first fixing holes 1011, four second fixing blocks 102 are fixedly connected to the side surfaces of the main housing 1 far away from the first fixing blocks 101, second fixing holes 1021 are formed in the side surfaces of the second fixing blocks 102, threads are formed in the inner sides of the second fixing holes 1021, and first grooves 103 are formed in the tops of the main housing 1 and fixedly connected to second fixing bolts 1022.

Referring to fig. 1-3, the utility model provides a motor with an overheat protection device, further comprising a first fixing bolt 1012, wherein the side surfaces of the first fixing bolt 1012 are fixedly connected with a third fixing block 202, the side surfaces of the third fixing block 202 are respectively provided with a third fixing hole 203, the inner sides of the third fixing holes 203 are respectively provided with threads, the threads on the inner sides of the third fixing holes 203 are respectively fixedly connected with the first fixing bolt 1012, the side surfaces of the third fixing block 202 are respectively fixedly connected with a front cover 2, the side surfaces of the front cover 2 are respectively provided with a first through hole 201, and the inner sides of the first through holes 201 are movably connected with an armature rotating shaft 5.

Referring to fig. 1-3, the utility model provides a motor with an overheat protection device, further comprising a second fixing bolt 1022, wherein the side surfaces of the second fixing bolt 1022 are fixedly connected with a fourth fixing block 303, the side surfaces of the fourth fixing block 303 are provided with fourth fixing holes 304, the inner sides of the fourth fixing holes 304 are provided with threads, the threads on the inner sides of the fourth fixing holes 304 are fixedly connected with the second fixing bolt 1022, the side surfaces of the fourth fixing block 303 are fixedly connected with a connecting block 3, the middle part of the side surface of the connecting block 3 is provided with a second through hole 301, the inner side of the second through hole 301 is movably connected with an armature rotating shaft 5, the side surfaces of the connecting block 3 are positioned around the second through hole 301 and are provided with third through holes 302, the side surfaces of the connecting block 3 close to the fourth fixing block 303 are fixedly connected with a rear cover 305, and the side surfaces of the rear cover 305 are provided with fourth through holes 306.

Referring to fig. 1 and 4, the utility model provides a motor with an overheat protection device, which further comprises a first groove 103, wherein a protective shell 4 is fixedly connected to the inner side of the first groove 103, a standby power supply 401 is fixedly connected to the top of an inner cavity of the protective shell 4, and a processor 402 is fixedly connected to the bottom of the standby power supply 401.

Referring to fig. 1 and 5, the utility model provides a motor with overheat protection device, which further comprises an armature rotating shaft 5, wherein a mounting groove 501 is formed in the middle of the side surface of the armature rotating shaft 5, a temperature sensor 502 is fixedly connected to the inner side of the mounting groove 501, a transmission module is arranged in the temperature sensor 502, the temperature inside the motor is detected by the temperature sensor 502, and the motor stops working when the temperature inside the motor is overhigh.

Referring to fig. 1-5, the utility model provides a motor with overheat protection device, further comprising an armature rotating shaft 5, wherein one end of the armature rotating shaft 5, which is close to a connecting block 3, is fixedly connected with a standby motor 6, one side of the standby motor 6, which is far away from the armature rotating shaft 5, is fixedly connected with a heat dissipation rotating shaft 601, and the side surface of the heat dissipation rotating shaft 601 is fixedly connected with a fan 602, so that hot air in the motor is pumped into a rear cover 305 through a third through hole 302, and the hot air is blown out of the rear cover 305 through a fourth through hole 306, thereby improving the heat dissipation efficiency of the motor, effectively avoiding overheat in the motor, and prolonging the service life of the motor.

Referring to fig. 1 to 3, the present utility model provides a motor with an overheat protection device, further comprising a main housing 1, the main housing 1 is fixedly connected with a front cover 2 through a first fixing bolt 1012, the main housing 1 is fixedly connected with a connection block 3 through a second fixing bolt 1022, and a stator winding 104 is fixedly connected to the inner side of the main housing 1.

Referring to fig. 1-4, the utility model provides a motor with overheat protection device, further comprising a processor 402, wherein a receiving module and a processing module are arranged in the processor 402, and the processor 402 is electrically connected with a standby motor 6; the processor 402 can start the standby motor 6 to radiate heat inside the motor through the electric quantity stored inside the standby power supply 401, so that the internal parts of the motor are prevented from being burnt out due to overheating, the reliability and the durability of the motor are improved, and the maintenance frequency and the maintenance cost are reduced.

The working principle of the utility model is as follows: when in use, the armature rotating shaft 5 rotates and current flows into the armature rotating shaft 5, so that a large amount of heat is generated by the armature rotating shaft 5 and the stator winding 104, a part of the heat is dissipated through the radiating fins on the shell, the rest of the generated heat is mixed with air, then the mixed heat is pumped into the rear cover 305 from the inside of the main shell 1 by the fan 602 through the third through hole 302, then the mixed heat is discharged through the fourth through hole 306 formed on the side surface of the rear cover 305, the heat dissipation of the motor is faster, the temperature sensor 502 in the armature rotating shaft 5 can detect the temperature in the motor at any time, when the temperature is too high, the power-off signal is transmitted to the processor 402 through the transmission module in the temperature sensor 502, then the power-off signal is received by the receiving module of the processor 402, the armature rotating shaft 5 and the stator winding 104 are powered off through the processing module, the work of the armature rotating shaft 5 and the stator winding 104 is stopped, so that the protection purpose is achieved, the burning out of the armature shaft 5 and the stator winding 104 is avoided, because the processor 402 is electrically connected with the standby motor 6, all the processing modules of the processor 402 can transmit the electric quantity stored in the standby power supply 401 to the standby motor 6 when the armature shaft 5 and the stator winding 104 are powered off, so that the standby motor 6 drives the fan 602 to continue rotating through the heat dissipation shaft 601, hot air in the main housing 1 is pumped into the rear cover 305 through the third through hole 302 and then is discharged through the fourth through hole 306 formed in the side surface of the rear cover 305, the cooling effect is achieved in the main housing 1, when the temperature sensor 502 in the armature shaft 5 can detect the temperature in the motor at any time to be suitable, the power-on signal is transmitted to the processor 402, then the receiving module of the processor 402 can receive the electric quantity to supply power to the armature shaft 5 and the stator winding 104, thereby enabling the motor to function properly.

Finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. An electric machine with overheat protection, comprising a main casing (1), characterized in that: four first fixed blocks (101) are fixedly connected with the side of main shell (1), first fixed orifices (1011) are all seted up to the side of first fixed block (101), the inboard of first fixed orifices (1011) all is equipped with the screw thread, the inboard screw thread of first fixed orifices (1011) is equal fixedly connected with first fixing bolt (1012), the side of main shell (1) is kept away from first fixed block (101) fixedly connected with four second fixed blocks (102), second fixed orifices (1021) are all seted up to the side of second fixed block (102), the inboard of second fixed orifices (1021) is all equipped with the screw thread, the inboard screw thread of second fixed orifices (1021) is equal fixedly connected with second fixing bolt (1022) first groove (103) have been seted up at the top of main shell (1).

2. An electric machine with overheat protection means according to claim 1, characterized in that: the side of first fixing bolt (1012) is equal fixedly connected with third fixed block (202), third fixed hole (203) have all been seted up to the side of third fixed block (202), the inboard of third fixed hole (203) all is equipped with the screw thread, the inboard screw thread of third fixed hole (203) is equal fixedly connected with first fixing bolt (1012), the equal fixedly connected with protecgulum (2) of side of third fixed block (202), first through-hole (201) have been seted up to the side of protecgulum (2), the inboard swing joint of first through-hole (201) has armature pivot (5).

3. An electric machine with overheat protection means according to claim 1, characterized in that: the side of second fixing bolt (1022) is equal fixedly connected with fourth fixed block (303), fourth fixed hole (304) have all been seted up to the side of fourth fixed block (303), the inboard of fourth fixed hole (304) is all equipped with the screw thread, the inboard screw thread of fourth fixed hole (304) is equal fixedly connected with second fixing bolt (1022), the equal fixedly connected with connecting block (3) of side of fourth fixed block (303), second through-hole (301) have been seted up at the middle part of connecting block (3) side, the inboard swing joint of second through-hole (301) has armature pivot (5), third through-hole (302) have been seted up all around in the side of connecting block (3) being located second through-hole (301), the side fixedly connected with back lid (305) of connecting block (3) is close to the side of fourth fixed block (303), fourth through-hole (306) have been seted up to the side of back lid (305).

4. An electric machine with overheat protection means according to claim 1, characterized in that: the inside fixedly connected with protective housing (4) of first groove (103), the top fixedly connected with stand-by power supply (401) of protective housing (4) inner chamber, stand-by power supply (401)'s bottom fixedly connected with treater (402).

5. An electric machine with overheat protection means according to claim 2, characterized in that: the middle part of armature pivot (5) side has seted up mounting groove (501), the inboard fixedly connected with temperature sensor (502) of mounting groove (501), the inside of temperature sensor (502) is equipped with transmission module.

6. An electric machine with overheat protection means according to claim 5, characterized in that: one end of the armature rotating shaft (5) close to the connecting block (3) is fixedly connected with a standby motor (6), one side, away from the armature rotating shaft (5), of the standby motor (6) is fixedly connected with a heat dissipation rotating shaft (601), and the side face of the heat dissipation rotating shaft (601) is fixedly connected with a fan (602).

7. An electric machine with overheat protection means according to claim 1, characterized in that: the main housing (1) is fixedly connected with the front cover (2) through a first fixing bolt (1012), the main housing (1) is fixedly connected with the connecting block (3) through a second fixing bolt (1022), and the inner side of the main housing (1) is fixedly connected with the stator winding (104).

8. An electric motor with overheat protection means as claimed in claim 4, wherein: the inside of the processor (402) is provided with a receiving module and a processing module, and the processor (402) is electrically connected with the standby motor (6).