CN112398287A

CN112398287A - Prevent overheated intelligent motor

Info

Publication number: CN112398287A
Application number: CN202011576841.9A
Authority: CN
Inventors: 不公告发明人
Original assignee: Huzhou Lichun Auto Parts Co ltd
Current assignee: Huzhou Lichun Auto Parts Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-02-23

Abstract

The invention relates to the field of motors, in particular to an anti-overheating intelligent motor; according to the invention, when the temperature of the motor is too high, the resistance value is increased, the current in the coil is reduced, the rotating speed of the motor is reduced, the internal temperature is reduced, the temperature detection sensitivity of the motor is improved, and dynamic adjustment is realized, so that an anti-overheating intelligent motor needs to be designed.

Description

Prevent overheated intelligent motor

Technical Field

The invention relates to the field of motors, in particular to an anti-overheating intelligent motor.

Background

The motor is an electromagnetic device for realizing the conversion of electric energy according to the law of electromagnetic induction, is widely applied to various fields, is an indispensable prime mover in the current society, and provides a power source for a large number of electric appliances or various machines. Motor on the market is difficult to realize that intelligence prevents overheated, needs to equip through the temperature detection of peripheral hardware and monitors the motor temperature, starts the decelerator when discovering overheated and realizes cooling down after slowing down, but the temperature detection of peripheral hardware is equipped and is sensitive inadequately to the temperature detection of motor, and can't accomplish dynamic adjustment, consequently need design one kind and prevent overheated intelligent motor.

Disclosure of Invention

Solves the technical problem

The temperature detection sensitivity of the motor needs to be improved, and dynamic adjustment is achieved, so that an anti-overheating intelligent motor needs to be designed.

Technical scheme

The technical scheme adopted by the invention for solving the technical problems is as follows: an anti-overheating intelligent motor comprises a motor and a motor shell, wherein the motor shell of the motor is connected with a resistor shell, a thermosensitive ceramic resistor is arranged inside the resistor shell, and a protruded temperature sensing point is arranged on the surface of the thermosensitive ceramic resistor; a rotating shaft is arranged at the center of the inside of the motor shell, and through holes are formed around the rotating shaft; the through hole corresponds to the position of the temperature sensing point; the rotor, the first gear and the coil are sequentially arranged on the rotating shaft, a lining plate is arranged outside the coil, the first gear and the second gear are meshed with each other, an output shaft is arranged above the center of the lining plate, a third gear is arranged at the rear end of the output shaft, and the second gear and the third gear are meshed with each other; the output shaft penetrates through the end cover, and the end cover and the motor shell are matched with each other; the coil is electrically connected with the thermal ceramic resistor.

Preferably, the thermal ceramic resistor, the resistor housing and the motor housing are fixedly connected by screws.

Preferably, the output shaft and the third gear are a single piece, and the material is mainly carbon steel.

Preferably, the rotor and the first gear are combined, the rotor is mainly made of neodymium iron boron, and the first gear is mainly made of plastic.

Preferably, the second gear material is reinforced nylon.

Preferably, the material of the end cover, the motor casing and the resistance casing is carbon steel.

Advantageous effects

When the temperature of the motor is overhigh, the resistance value is increased, the current in the coil is reduced, the rotating speed of the motor is reduced, the internal temperature is reduced, meanwhile, the surface of the heat-sensitive ceramic resistor is provided with a protruded temperature sensing point, the temperature in the motor is directly sensed through the through hole arranged on the shell of the motor, and the sensitivity of the heat-sensitive ceramic resistor to the internal temperature of the motor is greatly improved; to original motor, improved the temperature detection sensitivity to the motor, accomplish dynamic adjustment simultaneously, consequently need design an anti-overheating intelligent motor.

Drawings

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

FIG. 2 is a front view of the present invention;

FIG. 3 is a left side view of the present invention;

FIG. 4 is a perspective exploded view of a component of the present invention;

FIG. 5 is a perspective view of a thermistor according to the present invention;

reference numerals: 1. a thermal sensitive ceramic resistor; 2. a resistor housing; 3. a motor housing; 4. a rotating shaft; 5. a rotor; 6. a first gear; 7. a coil; 8. a liner plate; 9. a second gear; 10. shaft extension; 11. a third gear; 12. an end cap; 13. a screw; 14. a motor; 15. a temperature sensing point; 16. and a through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-5, an anti-overheating intelligent motor comprises a motor 14 and a motor housing 3, wherein the motor housing 3 of the motor 14 is connected with a resistor housing 2, a thermal ceramic resistor 1 is arranged inside the resistor housing 2, and a protruded temperature sensing point 15 is arranged on the surface of the thermal ceramic resistor 1; a rotating shaft 4 is arranged at the center of the inside of the motor shell 3, and through holes 16 are formed around the rotating shaft; the through hole 16 corresponds to the position of the temperature sensing point 15; a rotor 5, a first gear 6 and a coil 7 are sequentially arranged on the rotating shaft 4, a lining plate 8 is arranged outside the coil 7, the first gear 6 and a second gear 9 are meshed with each other, an output shaft 10 is arranged above the center of the lining plate 8, a third gear 11 is arranged at the rear end of the output shaft 10, and the second gear 9 and the third gear 11 are meshed with each other; the output shaft 10 penetrates through an end cover 12, and the end cover 12 and the motor shell 3 are matched with each other; the coil 7 is electrically connected with the thermal ceramic resistor 1.

According to a further technical scheme, the thermal ceramic resistor 1, the resistor shell 2 and the motor shell 3 are fixedly connected through screws 13.

According to a further technical scheme, the output shaft 10 and the third gear 11 are integrated, and the material is mainly carbon steel.

Further technical scheme, rotor 5 and first gear 8 are the assembly, and rotor 5 material is mainly neodymium iron boron, and the main material of first gear 8 is plastics.

Preferably, the material of the second gear 9 is reinforced nylon.

In a further technical scheme, the end cover 12, the motor shell 3 and the resistor shell 2 are made of carbon steel.

The working principle is as follows: when the temperature of the motor is overhigh, the resistance value is increased, the current in the coil is reduced, the rotating speed of the motor is reduced, the internal temperature is reduced, meanwhile, the surface of the heat-sensitive ceramic resistor is provided with a protruded temperature sensing point, the temperature in the motor is directly sensed through the through hole arranged on the shell of the motor, and the sensitivity of the heat-sensitive ceramic resistor to the internal temperature of the motor is greatly improved; to original motor, improved the temperature detection sensitivity to the motor, accomplish dynamic adjustment simultaneously, consequently need design an anti-overheating intelligent motor.

While the foregoing description of the disclosed embodiments will so fully enable those skilled in the art to make or use the invention, many modifications of the embodiments will become apparent to those skilled in the art that will be necessary in view of the teachings of the present invention, and it is to be understood that other arrangements may be devised in accordance with the principles of the invention and that the invention is not to be limited to the embodiments illustrated herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a prevent overheated intelligent motor, includes motor (14) and motor housing (3), its characterized in that: a motor shell (3) of the motor (14) is connected with a resistor shell (2), a thermosensitive ceramic resistor (1) is arranged in the resistor shell (2), and a protruded temperature sensing point (15) is arranged on the surface of the thermosensitive ceramic resistor (1); a rotating shaft (4) is arranged at the center of the interior of the motor shell (3), and through holes (16) are formed in the periphery of the rotating shaft; the through hole (16) corresponds to the temperature sensing point (15); a rotor (5), a first gear (6) and a coil (7) are sequentially arranged on the rotating shaft (4), a lining plate (8) is arranged outside the coil (7), the first gear (6) and the second gear (9) are meshed with each other, an output shaft (10) is arranged above the center of the lining plate (8), a third gear (11) is arranged at the rear end of the output shaft (10), and the second gear (9) and the third gear (11) are meshed with each other; the output shaft (10) penetrates through an end cover (12), and the end cover (12) and the motor shell (3) are matched with each other; the coil (7) is electrically connected with the thermal ceramic resistor (1).

2. The intelligent motor of claim 1, wherein: the thermal sensitive ceramic resistor (1), the resistor shell (2) and the motor shell (3) are fixedly connected through screws (13).

3. The intelligent motor of claim 1, wherein: the output shaft (10) and the third gear (11) are integrated and mainly made of carbon steel.

4. The intelligent motor of claim 1, wherein: rotor (5) and first gear (8) are the assembly, rotor (5) material mainly is neodymium iron boron, the main material of first gear (8) is plastics.

5. The intelligent motor of claim 1, wherein: the material of the second gear (9) is reinforced nylon.

6. The anti-overheating smart motor of claim 1, wherein: the end cover (12), the motor shell (3) and the resistor shell (2) are made of carbon steel.