CN215772758U

CN215772758U - Explosion-proof motor with heat dissipation and noise reduction functions

Info

Publication number: CN215772758U
Application number: CN202121987138.7U
Authority: CN
Inventors: 杨明平; 林振维; 伍炳秋
Original assignee: Guangzhou Micromotor Co ltd
Current assignee: Guangzhou Micromotor Co ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-02-08
Anticipated expiration: 2031-08-23

Abstract

The utility model belongs to the technical field of motors, and discloses an explosion-proof motor with heat dissipation and noise reduction functions. The sound insulation layer and the noise reduction layer are arranged in the shell, the sound insulation layer is made of plastic foam materials, the sound insulation layer can effectively isolate noise in the shell, meanwhile, the noise reduction layer is made of glass wool, a large number of tiny gaps exist in the glass wool, the noise reduction layer has a good noise absorption effect, and the heat dissipation holes are formed in the middle of the noise reduction layer, so that heat in the shell can be dissipated out of the heat dissipation holes.

Description

Explosion-proof motor with heat dissipation and noise reduction functions

Technical Field

The utility model belongs to the technical field of motors, and particularly relates to an explosion-proof motor with heat dissipation and noise reduction functions.

Background

The motor is an electromagnetic device for realizing electric energy conversion or transmission according to an electromagnetic induction law. The motor is represented by a letter M in a circuit, and the motor mainly plays a role in generating driving torque and is used as a power source of electric appliances or various machines. Since the concentration of dust is high and there is a possibility of combustible gas in the vibration table used in mining industry, the motor applied to the vibration table must achieve the explosion-proof level and the protection level required by the motor.

The noise of the motor in the current market after starting is too large, the noise is generated by the vibration of the motor, the noise is isolated by placing the motor in a cover in the prior noise reduction method, but the noise reduction effect is not good, so that the explosion-proof motor with the heat dissipation and noise reduction functions is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

In order to reduce noise generated by vibration during the operation of the motor, the utility model provides an explosion-proof motor with a heat dissipation and noise reduction function.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an explosion-proof motor with heat dissipation and noise reduction functions comprises a shell, wherein a front end cover is fixed at one end of the shell, an inner end cover is fixed at the position, located at the other end, inside the shell, a fan cover is installed at one end, close to the inner end cover, of the shell, a refrigerator is fixed outside the shell, a sound insulation layer is fixed inside the shell, an output shaft is rotatably connected between the front end cover and the inner end cover, radiating fins are installed on one side, close to the fan cover, of the inner end cover, the middle section of the output shaft is connected with a rotor, a fan is fixedly connected at one end, located in the fan cover, of the output shaft, and a stator is fixed at the position, corresponding to the rotor, of the inner wall of the shell;

the fan cover is characterized in that a noise reduction plate is arranged inside the fan cover, a heat dissipation port is formed in one end of the fan cover, a through hole is formed in the surface of the noise reduction plate, and a noise reduction layer is fixed in the through hole.

Preferably, the surface of the rotor is sleeved with a cooling pipe, a water inlet pipe is connected between the liquid inlet end of the cooling pipe and the refrigerator, and a return pipe is connected between the liquid outlet end of the cooling pipe and the refrigerator.

Preferably, the surface of the inner end cover is provided with vent holes at equal intervals, and the vent holes are distributed in an arc line shape.

Preferably, a heat conducting fin is fixed between the inner end cover and the heat radiating fin, and the heat conducting fin is a member made of an organic silicon material.

Preferably, the sound insulation layer is a member made of a plastic foam material.

Preferably, the noise reduction layer is a component made of glass wool, and the middle part of the noise reduction layer is provided with a heat dissipation hole.

Compared with the prior art, the utility model has the beneficial effects that:

1. the sound insulation layer and the noise reduction layer are arranged in the shell, the sound insulation layer is made of plastic foam materials, the noise in the shell can be effectively isolated, meanwhile, the noise reduction layer is made of glass wool, a large number of small gaps exist in the glass wool, the noise absorption effect is good, and the heat dissipation holes are formed in the middle of the noise reduction layer, so that heat in the shell can be dissipated out of the heat dissipation holes more conveniently;

2. through setting up the cooling tube, during this motor operation, for preventing the heat too high, but the start refrigerator, the refrigerator carries the cooling tube with the coolant liquid through the inlet tube in, carries out cooling down fast in to the casing through the coolant liquid in the cooling tube.

Drawings

Fig. 1 is a schematic structural diagram of an explosion-proof motor with heat dissipation and noise reduction functions according to the present invention;

fig. 2 is a schematic diagram of an oblique cross-sectional structure of an explosion-proof motor with heat dissipation and noise reduction functions according to the present invention;

fig. 3 is a schematic side sectional view of an explosion-proof motor with heat dissipation and noise reduction functions according to the present invention.

In the figure: the motor comprises a shell 1, a front end cover 2, an inner end cover 3, an output shaft 4, a rotor 5, a stator 6, a cooling pipe 7, a refrigerator 8, a water inlet pipe 9, a return pipe 10, a fan cover 11, a fan 12, radiating fins 13, a sound insulation layer 14, radiating holes 15, a noise reduction plate 16, through holes 17 and a noise reduction layer 18.

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.

Referring to fig. 1-3, an explosion-proof motor with heat dissipation and noise reduction functions comprises a casing 1, a front end cover 2 is fixed at one end of the casing 1, an inner end cover 3 is fixed at the position of the other end inside the casing 1, vent holes are formed in the surface of the inner end cover 3 at equal intervals and distributed in an arc shape, the vent holes are formed so as not to enable the inner end cover 3 to influence the heat in the casing 1 to flow into a fan cover 11, the fan cover 11 is installed at one end of the casing 1 close to the inner end cover 3, a refrigerator 8 is fixed outside the casing 1, a sound insulation layer 14 is fixed inside the casing 1, the sound insulation layer 14 is a component made of plastic foam, the noise in the casing 1 can be effectively isolated, an output shaft 4 is rotatably connected between the front end cover 2 and the inner end cover 3, the output shaft 4 is rotatably connected with the front end cover 2 and the inner end cover 3 through bearings, the middle section of output shaft 4 is connected with rotor 5, and output shaft 4 is located the one end fixedly connected with fan 12 of fan casing 11, the position department that the inner wall of casing 1 corresponds rotor 5 is fixed with stator 6, interior end cover 3 is close to one side of fan casing 11 and installs fin 13, fin 13 can adopt copper or aluminum alloy material, more be favorable to distributing away the heat in the casing 1 from thermovent 15, be fixed with the conducting strip between interior end cover 3 and the fin 13, the conducting strip is the component of an organic silicon material, the conducting strip can concentrate the heat in the casing 1 to the position department of fin 13 more fast.

Referring to fig. 1, cooling tube 7 has been cup jointed on the surface of rotor 5, be connected with inlet tube 9 between the inlet end of cooling tube 7 and the refrigerator 8, and be connected with back flow 10 between cooling tube 7 play liquid end and the refrigerator 8, during this motor operation, for preventing the heat is too high, can start refrigerator 8, refrigerator 8 carries the cooling tube 7 in through inlet tube 9 with the coolant liquid, cool down fast in to casing 1 through the coolant liquid in the cooling tube 7, then the coolant liquid in the cooling tube 7 can flow back to in the refrigerator 8 through back flow 10 again, motor electromagnetic circuit adopts the constant temperature design.

Referring to fig. 3, the internally mounted of fan casing 11 has the board 16 of making an uproar of falling, and the thermovent 15 has been seted up to the one end of fan casing 11, the through-hole 17 has been seted up on the surface of the board 16 of making an uproar of falling, through-hole 17 is cyclic annular distribution, through-hole 17 internal fixation has the layer 18 of making an uproar of falling, the installation of the layer 18 of making an uproar alright fall, the layer 18 of making an uproar of falling is the component of the cotton material of glass, the cotton inside a large amount of small spaces that exists of the cotton material of glass, have good absorption to the noise, and the layer 18 middle part of making an uproar of falling has seted up the louvre, the seting up of louvre, more be favorable to giving out thermovent 15 with the heat in the casing 1.

The operating principle of the present invention will now be described as follows:

in the utility model, the sound insulation layer 14 is arranged in the shell of the machine shell 1, the sound insulation layer 14 is made of plastic foam materials, the sound insulation layer can effectively isolate noise in the shell 1, meanwhile, the surface of the noise reduction plate 16 is provided with the through hole 17, the noise reduction layer 18 is fixed in the through hole 17, the noise reduction layer 18 is made of glass wool, a large number of tiny gaps exist in the glass wool, the sound insulation layer has good absorption effect on the noise, and the heat dissipation hole is arranged in the middle of the noise reduction layer 18, so that the heat in the machine shell 1 can be more favorably dissipated out of the heat dissipation hole 15.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. An explosion-proof motor with heat dissipation and noise reduction functions comprises a machine shell (1) and is characterized in that a front end cover (2) is fixed at one end of the machine shell (1), an inner end cover (3) is fixed at the position of the other end in the shell (1), a fan cover (11) is arranged at one end of the shell (1) close to the inner end cover (3), a refrigerator (8) is fixed outside the casing (1), a sound insulation layer (14) is fixed inside the casing (1), an output shaft (4) is rotatably connected between the front end cover (2) and the inner end cover (3), a radiating fin (13) is arranged on one side of the inner end cover (3) close to the fan cover (11), the middle section of the output shaft (4) is connected with a rotor (5), and one end of the output shaft (4) positioned in the fan cover (11) is fixedly connected with a fan (12), a stator (6) is fixed on the inner wall of the shell (1) at a position corresponding to the rotor (5);

the noise reduction fan is characterized in that a noise reduction plate (16) is arranged inside the fan cover (11), a heat dissipation port (15) is formed in one end of the fan cover (11), a through hole (17) is formed in the surface of the noise reduction plate (16), and a noise reduction layer (18) is fixed in the through hole (17).

2. The explosion-proof motor with the heat dissipation and noise reduction functions as claimed in claim 1, wherein a cooling pipe (7) is sleeved on the surface of the rotor (5), a water inlet pipe (9) is connected between the liquid inlet end of the cooling pipe (7) and the refrigerator (8), and a return pipe (10) is connected between the liquid outlet end of the cooling pipe (7) and the refrigerator (8).

3. The explosion-proof motor with the heat dissipation and noise reduction functions as claimed in claim 1, wherein the surface of the inner end cover (3) is provided with vent holes at equal intervals, and the vent holes are distributed in an arc shape.

4. An explosion-proof electric machine with heat dissipation and noise reduction functions as claimed in claim 3, characterized in that a heat conduction fin is fixed between the inner end cover (3) and the heat sink (13), and the heat conduction fin is a member made of organic silicon.

5. An explosion-proof electric machine with heat dissipation and noise reduction functions as claimed in claim 1, characterized in that the sound insulation layer (14) is a member made of plastic foam.

6. The explosion-proof motor with the heat dissipation and noise reduction functions as claimed in claim 1, wherein the noise reduction layer (18) is a member made of glass wool, and a heat dissipation hole is formed in the middle of the noise reduction layer (18).