CN216290398U

CN216290398U - Stator coil protector

Info

Publication number: CN216290398U
Application number: CN202122781916.3U
Authority: CN
Inventors: 郁汉刚
Original assignee: Jiangsu Gaoke Motor Co ltd
Current assignee: Jiangsu Gaoke Motor Co ltd
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-04-12
Anticipated expiration: 2031-11-12

Abstract

The application discloses stator coil protector relates to motor protection technical field, and it is serious to generate heat when improving inverter motor and using, leads to the overheated problem of damaging of stator core and coil easily, including casing, base, stator core, coil and rotor, the spiral is around having the cooling tube on stator core's the lateral wall, water tank and circulating pump are installed in proper order to the inside of base, the intercommunication has the connecting pipe between the entry end of circulating pump and the water tank, the both ends of cooling tube are connected with inlet tube and outlet pipe respectively. This application is through the setting of condenser tube, water tank, circulating pump, connecting pipe, inlet tube and outlet pipe, can start the circulating pump and let in the condenser tube with the hydrologic cycle in the water tank, makes the cooling water in the condenser tube absorb the heat that stator core produced to carry out cooling to stator core and coil, reduce the possibility of iron core and coil overheat damage, the life of extension motor.

Description

Stator coil protector

Technical Field

The application relates to the technical field of motor protection, in particular to a stator coil protection device.

Background

An electric motor is a device that converts electrical energy into mechanical energy. The electromagnetic power generator utilizes an electrified coil (namely a stator winding) to generate a rotating magnetic field and acts on a rotor to form magnetoelectric power rotating torque.

Inverter motor often uses the converter power supply, because the higher harmonic that converter self produced, stator core wraps the both sides coil relatively more and concentrates on the line simultaneously, appears generating heat serious condition easily when using, can lead to stator core and coil to overheat and damage, influences the life of motor.

SUMMERY OF THE UTILITY MODEL

Generate heat seriously when improving inverter motor and use, lead to the overheated problem of damaging of stator core and coil easily, this application provides stator coil protector.

The application provides stator coil protector adopts following technical scheme:

the stator coil protection device comprises a shell and a base arranged at the bottom of the shell, wherein a stator core is fixedly arranged in the shell, a coil is arranged in a wire slot of the stator core, and a rotor is arranged in the stator core;

the utility model discloses a cooling device, including stator core, inlet pipe, outlet pipe, cooling pipe, water tank, circulating pump, water tank, inlet end and the connecting pipe of cooling pipe, it has the space to reserve between stator core's the lateral wall and the inside wall of casing, the inside in space is equipped with the cooling tube, the cooling tube spiral ring is around on stator core's lateral wall, water tank and circulating pump are installed in proper order to the inside of base, the intercommunication has the connecting pipe between the entry end of circulating pump and the water tank, the both ends of cooling pipe are connected with inlet tube and outlet pipe respectively, the one end that the cooling pipe was kept away from to the inlet tube is linked together with the exit end of circulating pump, the one end that the cooling pipe was kept away from to the outlet pipe is linked together with the top of water tank.

Through adopting above-mentioned technical scheme, when using, start the circulating pump and take the water in the water tank out from the connecting pipe, then carry the cooling water in the cooling tube through the inlet tube, the cooling water in the cooling tube can absorb the heat that stator core produced to carry out cooling to stator core and coil, the cooling water realizes circulative cooling in the water tank is discharged from the outlet pipe after the cooling water flows in the cooling tube.

Optionally, a liquid nitrogen pipe is fixedly installed inside the water tank, and one end of the liquid nitrogen pipe extends to the outside of the base and is connected with a sealing plug.

Through adopting above-mentioned technical scheme, add in the liquid nitrogen pipe and have the liquid nitrogen, the liquid nitrogen can play the heat absorption cooling effect, can cool down to the cooling water after heaing up in the water tank, makes the water in the water tank keep the low temperature state, improves the cooling effect.

Optionally, a water adding pipe is fixedly mounted at the top of the water tank, and the top of the water adding pipe is connected with a sealing cover.

Through adopting above-mentioned technical scheme, can conveniently add water to the water tank in through the filler pipe.

Optionally, a buckle is fixedly mounted on the outer side wall of the casing, and the water inlet pipe is fixed on the outer side wall of the casing through the buckle.

Through adopting above-mentioned technical scheme, the buckle can play the fixed action to the inlet tube.

Optionally, one side of the stator core, which is far away from the water inlet pipe, is fixedly connected with a cooling fin, and the cooling fin is a copper sheet.

Through adopting above-mentioned technical scheme, the heat conduction effect of copper sheet is good, and the fin can play the heat conduction radiating effect to stator core.

Optionally, a heat dissipation opening is formed in one side, away from the water inlet pipe, of the machine shell, and the heat dissipation fins penetrate through the heat dissipation opening.

Through adopting above-mentioned technical scheme, the heat in the casing can be followed the thermovent and discharged.

Optionally, a heat dissipation cover is fixedly mounted on the outer side wall of the casing, which is far away from the water inlet pipe, and a heat dissipation fan is fixedly mounted on the outer side wall of the heat dissipation cover.

Through adopting above-mentioned technical scheme, the heat dissipation fan can improve the radiating rate of fin and thermovent.

Optionally, a bearing is fixedly installed in the center of the bottom of the casing, and the rotor is rotatably connected with the casing through the bearing.

Through adopting above-mentioned technical scheme, through the setting of bearing, stability when can improve the rotor and rotate reduces the heat that the friction produced.

In summary, the present application includes at least one of the following benefits:

1. through the arrangement of the cooling pipe, the water tank, the circulating pump, the connecting pipe, the water inlet pipe and the water outlet pipe, the circulating pump can be started to circularly introduce water in the water tank into the cooling pipe, so that the cooling water in the cooling pipe absorbs heat generated by the stator core, the stator core and the coil are cooled, the possibility of overheating damage of the core and the coil is reduced, and the service life of the motor is prolonged;

2. through the arrangement of the liquid nitrogen pipe, liquid nitrogen in the liquid nitrogen pipe can play a role in absorbing heat and reducing temperature, and can reduce the temperature of cooling water heated in the water tank, so that the water in the water tank is kept in a low-temperature state, and the cooling effect is improved;

3. this application is through the setting of fin, thermovent and heat dissipation fan, and the fin can play the heat conduction radiating effect to stator core, makes the heat in the casing can follow the thermovent and discharges, and the heat dissipation fan can further improve rate of heat dissipation.

Drawings

FIG. 1 is a schematic front view of the present application;

FIG. 2 is a schematic sectional front view of the present application;

fig. 3 is a schematic top sectional view of the present application.

Description of reference numerals: 1. a housing; 2. a base; 3. a stator core; 4. a coil; 5. a rotor; 6. a void; 7. a cooling tube; 8. a water tank; 9. a circulation pump; 10. a connecting pipe; 11. a water inlet pipe; 12. a water outlet pipe; 13. a liquid nitrogen pipe; 14. a water feeding pipe; 15. buckling; 16. a heat sink; 17. a heat dissipation port; 18. a heat dissipation cover; 19. a heat dissipation fan; 20. and a bearing.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

Referring to fig. 1-3, a stator coil protection device includes a casing 1 and a base 2 installed at the bottom of the casing 1, a stator core 3 is fixedly installed inside the casing 1, a coil 4 is installed in a wire slot of the stator core 3, a rotor 5 is installed inside the stator core 3, a bearing 20 is fixedly installed at the center of the bottom of the casing 1, the rotor 5 is rotatably connected with the casing 1 through the bearing 20, and the setting of the bearing 20 can improve the stability of the rotor 5 during rotation and reduce the heat generated by friction.

Referring to fig. 2 and 3, it has space 6 to reserve between stator core 3's the lateral wall and casing 1's the inside wall, space 6's inner wall is equipped with cooling tube 7, cooling tube 7 spiral is around on stator core 3's lateral wall, the cooling water in the cooling tube 7 can absorb the heat that stator core 3 produced, thereby carry out cooling to stator core 3 and coil 4, water tank 8 and circulating pump 9 have been installed in proper order to the inside of base 2, water tank 8's top fixed mounting has filler pipe 14, the sealed lid is connected at filler pipe 14's top, conveniently add water to water tank 8 in through filler pipe 14.

Referring to fig. 2 and 3, a connecting pipe 10 is communicated between an inlet end of a circulating pump 9 and a water tank 8, two ends of a cooling pipe 7 are respectively connected with a water inlet pipe 11 and a water outlet pipe 12, one end of the water inlet pipe 11, which is far away from the cooling pipe 7, is communicated with an outlet end of the circulating pump 9, one end of the water outlet pipe 12, which is far away from the cooling pipe 7, is communicated with the top of the water tank 8, when the water circulating pump 9 is started to pump water in the water tank 8 out of the connecting pipe 10, then the cooling water is conveyed into the cooling pipe 7 through the water inlet pipe 11, and the cooling water flows in the cooling pipe 7 and then is discharged into the water tank 8 from the water outlet pipe 12, so that circulating cooling is realized.

Referring to fig. 2, in order to keep the water in the water tank 8 in a low temperature state, the inside fixed mounting of the water tank 8 has the liquid nitrogen pipe 13, one end of the liquid nitrogen pipe 13 extends to the outside of the base 2 and is connected with a sealing plug, liquid nitrogen is added in the liquid nitrogen pipe 13, the liquid nitrogen can play a role in absorbing heat and reducing temperature, and the cooling water after the temperature rise in the water tank 8 can be cooled, so that the cooling effect is improved.

Referring to fig. 2 and 3, a buckle 15 is fixedly installed on the outer side wall of the casing 1, the water inlet pipe 11 is fixed on the outer side wall of the casing 1 through the buckle 15, and the buckle 15 can fix the water inlet pipe 11.

Referring to fig. 2 and 3, one side fixedly connected with fin 16 that inlet tube 11 was kept away from to stator core 3, fin 16 are the copper sheet, and the heat conduction effect of copper sheet is good, and fin 16 can play the heat conduction radiating effect to stator core 3, and the thermovent 17 has been seted up to one side that inlet tube 11 was kept away from to casing 1, and in fin 16 ran through thermovent 17, the heat in the casing 1 can be followed thermovent 17 and discharged.

Referring to fig. 2 and 3, a heat dissipation cover 18 is fixedly mounted on an outer side wall of the casing 1 away from the water inlet pipe 11, and a heat dissipation fan 19 is fixedly mounted on an outer side wall of the heat dissipation cover 18, wherein the heat dissipation fan 19 can increase the heat dissipation rate of the heat dissipation fins 16 and the heat dissipation ports 17.

The implementation principle of the application is as follows: when using, conveniently add water in the water tank 8 through filler pipe 14, and add appropriate amount of liquid nitrogen in to liquid nitrogen pipe 13, the liquid nitrogen can play the heat absorption cooling effect, can cool down the water tank 8 internal water, then, start circulating pump 9 and take out the water in the water tank 8 from connecting pipe 10, then carry the cooling water in the cooling tube 7 through inlet tube 11, the cooling water in the cooling tube 7 can absorb the heat that stator core 3 produced, thereby cool down stator core 3 and coil 4, the cooling water flows in cooling tube 7 in back discharge pipe 12 discharges to water tank 8 in, realize circulative cooling, simultaneously, fin 16 can play the heat conduction heat dissipation effect to stator core 3, the heat in the casing 1 can be discharged from thermovent 17, start heat dissipation fan 19 can improve the rate of heat dissipation of fin 16 and thermovent 17.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. Stator coil protector includes casing (1) and installs base (2) in casing (1) bottom, its characterized in that: a stator core (3) is fixedly arranged in the shell (1), a coil (4) is arranged in a wire slot of the stator core (3), and a rotor (5) is arranged in the stator core (3);

the utility model discloses a cooling device, including stator core (3), cooling pipe (7), inlet pipe (7), outlet pipe (12), inlet pipe (11), outlet pipe (12), it has space (6) to reserve between the lateral wall of stator core (3) and the inside of casing (1), the inside of space (6) is equipped with cooling tube (7), cooling tube (7) spiral is around on the lateral wall of stator core (3), water tank (8) and circulating pump (9) are installed in proper order to the inside of base (2), the intercommunication has connecting pipe (10) between the entry end of circulating pump (9) and water tank (8), the both ends of cooling tube (7) are connected with inlet tube (11) and outlet pipe (12) respectively, the one end that cooling tube (7) were kept away from in inlet tube (11) is linked together with the exit end of circulating pump (9), the one end that cooling tube (7) was kept away from in outlet pipe (12) is linked together with the top of water tank (8).

2. The stator coil guard as claimed in claim 1, wherein: the inside fixed mounting of water tank (8) has liquid nitrogen pipe (13), the one end of liquid nitrogen pipe (13) extends to the outside of base (2) and is connected with the sealing plug.

3. The stator coil guard as claimed in claim 1, wherein: the top of the water tank (8) is fixedly provided with a water feeding pipe (14), and the top of the water feeding pipe (14) is connected with a sealing cover.

4. The stator coil guard as claimed in claim 1, wherein: the outer side wall of the machine shell (1) is fixedly provided with a buckle (15), and the water inlet pipe (11) is fixed on the outer side wall of the machine shell (1) through the buckle (15).

5. The stator coil guard as claimed in claim 1, wherein: one side of the stator core (3) far away from the water inlet pipe (11) is fixedly connected with a radiating fin (16), and the radiating fin (16) is a copper sheet.

6. The stator coil guard as claimed in claim 5, wherein: the heat dissipation device is characterized in that a heat dissipation opening (17) is formed in one side, away from the water inlet pipe (11), of the machine shell (1), and the heat dissipation fins (16) penetrate through the heat dissipation opening (17).

7. The stator coil guard as claimed in claim 6, wherein: the outer side wall of the shell (1) far away from the water inlet pipe (11) is fixedly provided with a heat dissipation cover (18), and the outer side wall of the heat dissipation cover (18) is fixedly provided with a heat dissipation fan (19).

8. The stator coil guard as claimed in claim 1, wherein: the center fixed mounting of casing (1) bottom has bearing (20), rotor (5) are connected with casing (1) rotation through bearing (20).