CN218733706U

CN218733706U - Permanent magnet speed regulator inner loop cooling device

Info

Publication number: CN218733706U
Application number: CN202222913572.1U
Authority: CN
Inventors: 李强
Original assignee: Nanjing Longqiang Electromechanical Technology Co ltd
Current assignee: Nanjing Longqiang Electromechanical Technology Co ltd
Priority date: 2022-11-03
Filing date: 2022-11-03
Publication date: 2023-03-24
Anticipated expiration: 2032-11-03

Abstract

The utility model discloses an internal circulation cooling device of a permanent magnet speed regulator, which comprises a box body, and a water inlet pipe and a water outlet pipe which are respectively arranged at the left side and the right side above the box body, wherein the front end of the box body is provided with a liquid adding port; a detection pipe is fixed to the lower end of the water outlet pipe, a temperature sensor is installed at the front end of the detection pipe in a penetrating mode, a downpipe is fixed between the lower end of the detection pipe and the upper end of the box body, and a liquid cavity I is arranged on the right side inside the box body. Through set up the test tube at outlet pipe lower extreme, at test tube internally mounted temperature sensor, temperature sensor can detect the temperature of discharge cooling water, when the cooling water temperature risees for the temperature at ordinary times, then represent permanent magnet speed regulator and use at high-power, it is great to generate heat, semiconductor refrigeration piece circular telegram this moment, adopt semiconductor refrigeration piece one and the cooperation of semiconductor refrigeration piece two to cool down the cooling water in the box like this, can reduce the temperature of cooling water in the box, thereby can be according to permanent magnet speed regulator's service power and the automatic temperature that reduces the cooling water.

Description

Permanent magnet speed regulator inner loop cooling device

Technical Field

The utility model relates to a permanent magnet speed regulator technical field, concretely relates to permanent magnet speed regulator inner loop cooling device.

Background

The permanent magnet speed regulator mainly comprises three components: the regulator regulates the relative positions of the cylindrical permanent magnet rotor and the cylindrical conductor rotor in the axial direction to change the coupling effective part of the permanent magnet rotor and the conductor rotor, namely the torque transmitted between the permanent magnet rotor and the conductor rotor can be changed, repeatable, adjustable and controllable output torque and rotating speed can be realized, and the purposes of speed regulation and energy conservation are realized.

Because the speed regulator during operation produces a large amount of heats, consequently relevant personnel have thought of can carry out water-cooling to permanent magnet speed regulator, for example application number 201821094612.1's utility model discloses a split type water-cooling type permanent magnet speed regulator, including the motor, the motor shaft, output shaft and casing, this water-cooling type permanent magnet speed regulator relies on the water inlet to intake, and the delivery port is gone out the water and is realized the water-cooling, but at the in-process that carries out cooling, because permanent magnet speed regulator is high-power, generate heat under the great circumstances, need reduce the temperature of cooling water, and do not set up the sensor that monitors the temperature of discharged liquid at the delivery port in this patent, lead to when permanent magnet speed regulator at high-power, generate heat under the great circumstances, can't in time reduce the temperature of coolant liquid and carry out cooling.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's defect, provide a permanent magnet speed regulator inner loop cooling device to solve the problem that proposes in the above-mentioned background art.

An internal circulation cooling device of a permanent magnet speed regulator comprises a box body, and a water inlet pipe and a water outlet pipe which are respectively arranged at the left side and the right side above the box body, wherein the front end of the box body is provided with a liquid feeding port;

the utility model discloses a refrigerator, including outlet pipe, inlet pipe, siphon, water pump, exhaust pipe, inlet pipe, exhaust pipe, detection pipe lower extreme, the detection pipe front end runs through and installs temperature sensor, be fixed with the downpipe between detection pipe lower extreme and the box upper end, the inside right side of box is equipped with sap cavity one, be equipped with sap cavity two in the middle of the box is inside, the upper end between sap cavity one and the sap cavity two is fixed with the siphon, refrigeration subassembly one is installed to the box right-hand member, refrigeration subassembly two is installed to the box left end, the water pump is installed to the box inner left part lower extreme, the end of drawing water and the drainage end of water pump are connected with drinking-water pipe and drain pipe respectively, the drinking-water pipe end runs through to the sap cavity two insidely, the drain pipe end run through the box and with inlet tube sub-unit connection, the induced-draught fan is installed on the left side in the box top.

Preferably, the downpipe is positioned above the first liquid cavity, the head end of the siphon is positioned in the first liquid cavity, and the tail end of the siphon is positioned in the second liquid cavity.

Preferably, the inner bottom of the first liquid cavity is higher than the inner bottom of the second liquid cavity.

Preferably, the first refrigerating assembly comprises a first semiconductor refrigerating sheet, a first radiating fin and a first radiating fan, the first semiconductor refrigerating sheet is embedded in the box body, the first radiating fin is arranged at the hot end of the first semiconductor refrigerating sheet, and the first radiating fan is located on one side of the first radiating fin and fixedly arranged with the box body.

Preferably, the second refrigeration component comprises a second semiconductor refrigeration sheet, a second cooling fin and a second cooling fan, the second semiconductor refrigeration sheet is embedded in the box body, the second cooling fin is arranged at the hot end of the second semiconductor refrigeration sheet, and the second cooling fan is located on one side of the second cooling fin and fixedly arranged with the box body.

Preferably, the temperature sensor is externally connected with a PLC controller, and the PLC controller is in signal connection with the semiconductor refrigerating piece.

Through set up the test tube at outlet pipe lower extreme, at test tube internally mounted temperature sensor, temperature sensor can detect the temperature of discharge cooling water, when the cooling water temperature risees for the temperature at ordinary times, then represent permanent magnet speed regulator and use at high-power, it is great to generate heat, semiconductor refrigeration piece circular telegram this moment, adopt semiconductor refrigeration piece one and the cooperation of semiconductor refrigeration piece two to cool down the cooling water in the box like this, can reduce the temperature of cooling water in the box, thereby can be according to permanent magnet speed regulator's service power and the automatic temperature that reduces the cooling water.

Drawings

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

fig. 2 is a schematic overall sectional view of the present invention.

In the figure: the device comprises a water inlet pipe 1, a water outlet pipe 2, a water outlet pipe 3, a detection pipe 4, a temperature sensor 5, a water falling pipe 6, a box body 7, a liquid adding opening 8, a semiconductor refrigerating piece I, a radiating fin I, a radiating fan I10, a liquid cavity I11, a siphon pipe 12, a liquid cavity II 13, a suction fan 14, a water pump 15, a water pumping pipe 16, a water discharging pipe 17, a semiconductor refrigerating piece II 18, a radiating fin II 19 and a radiating fan II 20.

Detailed Description

Referring to fig. 1-2, an internal circulation cooling device of a permanent magnet speed regulator comprises a box body 6, and a water inlet pipe 1 and a water outlet pipe 2 which are respectively arranged at the left side and the right side above the box body, wherein a liquid filling opening 7 is arranged at the front end of the box body 6, the liquid filling opening 7 is arranged to facilitate the addition of cooling liquid into the box body 6 and the entry of outside air into the box body 6, so that a sealed space is avoided in the box body 6, the water inlet pipe 1 is connected with a water inlet of the water-cooling type permanent magnet speed regulator, and the water outlet pipe 2 is connected with a water outlet of the water-cooling type permanent magnet speed regulator;

a detection pipe 3 is fixed at the lower end of the water outlet pipe 2, a temperature sensor 4 is installed at the front end of the detection pipe 3 in a penetrating mode, a downpipe 5 is fixed between the lower end of the detection pipe 3 and the upper end of a box body 6, a first liquid cavity 11 is arranged on the right side inside the box body 6, a second liquid cavity 13 is arranged in the middle inside the box body 6, the bottom inside the first liquid cavity 11 is higher than the bottom inside the second liquid cavity 13, a siphon pipe 12 is fixed at the upper end between the first liquid cavity 11 and the second liquid cavity 13, the downpipe 5 is located above the first liquid cavity 11, the head end of the siphon pipe 12 is located inside the first liquid cavity 11, the tail end of the siphon pipe 12 is located inside the second liquid cavity 13, cooling water discharged from a water outlet of the water-cooling type permanent magnet speed regulator can be discharged into the water outlet pipe 2 and then discharged into the detection pipe 3, at the moment, the temperature sensor 4 can detect the temperature of the cooling water discharged from the water outlet of the water-cooling type permanent magnet speed regulator, and finally the cooling water is discharged into the first liquid cavity 11 of the box body 6 from the downpipe 5;

after the liquid level in the first liquid cavity 11 rises, the cooling water in the first liquid cavity 11 is discharged into the second liquid cavity 13 by using a siphon pipe 12 through a siphon effect;

the right end of the box body 6 is provided with a first refrigerating assembly, the first refrigerating assembly comprises a first semiconductor refrigerating sheet 8, a first radiating fin 9 and a first radiating fan 10, the first semiconductor refrigerating sheet 8 is embedded in the box body 6, the first radiating fin 9 is arranged at the hot end of the first semiconductor refrigerating sheet 8, the first radiating fan 10 is positioned at one side of the first radiating fin 9 and fixedly arranged with the box body 6, cooling water in the first liquid cavity 11 can be refrigerated through the first semiconductor refrigerating sheet 8, and the first radiating fin 9 and the first radiating fan 10 are matched to play a role in radiating the hot end of the first semiconductor refrigerating sheet 8;

a second refrigeration assembly is mounted at the left end of the box body 6, the second refrigeration assembly comprises a second semiconductor refrigeration sheet 18, a second cooling fin 19 and a second cooling fan 20, the second semiconductor refrigeration sheet 18 is embedded in the box body 6, the second cooling fin 19 is mounted at the hot end of the second semiconductor refrigeration sheet 18, the second cooling fan 20 is located at one side of the second cooling fin 19 and is fixedly mounted with the box body 6, refrigeration and cooling can be performed in the box body 6 through the second semiconductor refrigeration sheet 18, and the second cooling fin 19 is matched with the second cooling fan 20 to achieve the heat dissipation effect of the hot end of the second semiconductor refrigeration sheet 18;

temperature sensor 4 is external to have the PLC controller, the PLC controller and a semiconductor refrigeration piece 8 signal connection, water pump 15 is installed to the left part lower extreme in box 6, water pump 15's pumping end and drainage end are connected with drinking-water pipe 16 and drain pipe 17 respectively, 16 ends of drinking-water pipe run through to two 13 insides in the liquid chamber, drain pipe 17 end run through box 6 and with inlet tube 1 sub-unit connection, suction fan 14 is installed on the left side of top in box 6, through water pump 15, can utilize the cooling water in 16 suction of drinking-water pipe suction liquid chamber two 13, then discharge inlet tube 1 along drain pipe 17 again, get into at last that the inside water-cooling type permanent magnet speed regulator carries out the water-cooling to water-cooling type permanent magnet speed regulator, through set up detecting tube 3 at outlet pipe 2 lower extreme like this, at detecting tube 3 internally mounted temperature sensor 4, temperature sensor 4 can detect the temperature of discharge cooling water, because the data that temperature sensor 4 detected carry to the PLC controller, the inside threshold value that is provided with the temperature sensor that the temperature sensor 4 detects, when the cooling water temperature rises to reach the threshold value for the high-power utilization of PLC controller, the semiconductor refrigeration piece 18 is the semiconductor refrigeration piece in the box 6 and the semiconductor refrigeration piece is the semiconductor refrigeration piece, thereby the cooling water cooling box is used alone to two independent

cooling water cooling

6, 18, the inside cooling water that the semiconductor cooling water cooling piece is adopted the semiconductor cooling water cooling 6, so, thereby 8 cooling water is carried out, the semiconductor cooling water cooling piece, 18, thereby, the semiconductor cooling water cooling in the box.

Claims

1. The utility model provides a permanent magnet speed regulator inner loop cooling device, includes box (6) and sets up inlet tube (1) and outlet pipe (2) in its top left and right sides respectively, box (6) front end is equipped with filling opening (7), its characterized in that:

outlet pipe (2) lower extreme is fixed with test tube (3), test tube (3) front end runs through and installs temperature sensor (4), be fixed with pipe in the water (5) between test tube (3) lower extreme and box (6) upper end, the inside right side of box (6) is equipped with sap cavity one (11), be equipped with sap cavity two (13) in the middle of box (6) is inside, upper end between sap cavity one (11) and sap cavity two (13) is fixed with siphon (12), refrigeration component one is installed to box (6) right-hand member, refrigeration component two is installed to box (6) left end, water pump (15) are installed to box (6) inside left end lower extreme, the pumping end and the drainage end of water pump (15) are connected with pumping pipe (16) and drain pipe (17) respectively, pumping pipe (16) end runs through to sap cavity two (13) inside, drain pipe (17) end runs through box (6) and inlet tube (1) sub-unit connection, suction fan (14) are installed to box (6) interior top left side.

2. The internal circulation cooling device of the permanent magnet speed regulator according to claim 1, wherein: the downpipe (5) is located above the first liquid cavity (11), the head end of the siphon (12) is located inside the first liquid cavity (11), and the tail end of the siphon (12) is located inside the second liquid cavity (13).

3. The internal circulation cooling device of the permanent magnet speed regulator according to claim 1, wherein: the bottom in the first liquid cavity (11) is higher than the bottom in the second liquid cavity (13).

4. The internal circulation cooling device of the permanent magnet speed regulator according to claim 1, wherein: the first refrigerating assembly comprises a first semiconductor refrigerating piece (8), a first radiating fin (9) and a first radiating fan (10), the first semiconductor refrigerating piece (8) and the box body (6) are installed in an embedded mode, the first radiating fin (9) is installed at the hot end of the first semiconductor refrigerating piece (8), and the first radiating fan (10) is located on one side of the first radiating fin (9) and fixedly installed with the box body (6).

5. The internal circulation cooling device of the permanent magnet speed regulator according to claim 1, wherein: the second refrigerating assembly comprises a second semiconductor refrigerating piece (18), a second radiating fin (19) and a second radiating fan (20), the second semiconductor refrigerating piece (18) is embedded into the box body (6), the second radiating fin (19) is installed at the hot end of the second semiconductor refrigerating piece (18), and the second radiating fan (20) is located on one side of the second radiating fin (19) and fixedly installed with the box body (6).

6. The internal circulation cooling device of the permanent magnet speed regulator according to claim 4, wherein: the temperature sensor (4) is externally connected with a PLC controller, and the PLC controller is in signal connection with the semiconductor refrigeration piece I (8).