Explosion-proof fan motor

Abstract

The utility model relates to a fan motor, in particular to an explosion-proof fan motor, which comprises a hollow base, a fan motor main body, a shell, a shell, a water pump, a hard pipe and a surrounding pipe, the top of the hollow base is connected with the fan motor main body and the shell, the fan motor main body is positioned in the shell, the top of the shell is connected with the shell, and the shell is positioned in the shell. Two wire passing holes for wires of the fan motor body to extend out are formed in the top of the shell, a water pump is connected into the hollow base, a hard pipe is connected to the water outlet end of the water pump and communicated with six surrounding pipes, the surrounding pipes penetrate through the top of the hollow base and make contact with the outer side of the fan motor body, and a water inlet is formed in the top of the hollow base. According to the utility model, the external equipment is connected to the output shaft of the fan motor main body, so that the external equipment can be driven to rotate, the water pump can suck cold water into the surrounding pipe to dissipate heat of the fan motor main body, and the fan motor main body is prevented from exploding due to over-high temperature.

Description

Technical Field

[0001] The utility model relates to a fan motor, in particular to a flameproof fan motor. Background Art

[0002] A fan motor is a device specifically used to drive a fan. It is mainly composed of an electric motor, a transmission device and an impeller. It has the characteristics of high reliability and flexibility. It is generally used in air purification, ventilation, exhaust and other fields to help improve the environment.

[0003] The external device is installed on the output shaft of the fan motor for use. The fan motor will generate heat during operation. In the case of overcurrent or poor heat dissipation, the coil operating temperature exceeds the maximum allowable operating temperature of the insulating paint, which will cause insulation failure and short circuit between turns, causing the phase-to-ground resistance to be zero, thereby causing an explosion. Utility Model Content

[0004] In order to overcome the disadvantage that in the case of overcurrent or poor heat dissipation, the coil operating temperature exceeds the maximum allowable operating temperature of the insulating varnish, which will lead to insulation failure, short circuit between turns, causing the phase-to-ground resistance to be zero, and thus causing explosion, the utility model provides a flameproof fan motor that can avoid explosion.

[0005] The technical solution is as follows: a flameproof fan motor, comprising a hollow base, a fan motor body, an outer shell, a casing, a water pump, a hard pipe and a surrounding pipe. The fan motor body and the casing are connected to the top of the hollow base, the fan motor body is located in the casing, the top of the casing is connected to the casing, and the top of the casing is provided with two wire holes for extending the wires of the fan motor body. A water pump is connected to the hollow base, a hard pipe is connected to the water outlet of the water pump, six surrounding pipes are connected to the hard pipe, the surrounding pipes pass through the top of the hollow base, the surrounding pipes are in contact with the outside of the fan motor body, and a water inlet is provided at the top of the hollow base.

[0006] Furthermore, it also includes a mounting box and a radiator. The side of the shell is connected to the mounting box, and a plurality of radiators are connected inside the mounting box.

[0007] Furthermore, an air inlet pipe is included, and two air inlet pipes are connected to one side of the shell away from the installation box.

[0008] Furthermore, it also includes a fixed sealing block, a movable sealing block and a spring. Two fixed sealing blocks are connected to the top of the shell, and two movable sealing blocks are slidably connected to the top of the shell. The movable sealing blocks are in contact with the fixed sealing blocks. The fixed sealing blocks and the movable sealing blocks are used to clamp the wires of the fan motor body. Multiple springs are connected between the movable sealing blocks and the top of the shell.

[0009] Furthermore, a square protective net is included, and the installation box is connected to the square protective net for filtering dust in the air.

[0010] Furthermore, a circular protective net is included, and each air inlet pipe is connected with a circular protective net for filtering dust in the air.

[0011] Furthermore, a cooling plate is included, and the hollow base is connected with the cooling plate.

[0012] Furthermore, it also includes a rubber plug, and the rubber plug is arranged in the water inlet.

[0013] Furthermore, a through hole is provided on the outer shell for the output shaft of the fan motor body to extend out.

[0014] Furthermore, the sides of the fixed sealing block and the movable sealing block that are close to each other are both made of rubber material.

[0015] Compared with the prior art, the utility model has the following advantages: 1. The utility model can drive the external device to rotate by connecting the external device to the output shaft of the fan motor body. The water pump can suck cold water into the surrounding pipe to dissipate the heat of the fan motor body, thereby avoiding explosion of the fan motor body due to excessive temperature.

[0016] 2. The radiator can discharge the heat in the shell and improve the heat dissipation efficiency. The outside air can enter the shell through the air intake pipe, speeding up the air circulation and further improving the heat dissipation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0018] Figure 2 It is a cross-sectional view of the hollow base and shell of the utility model.

[0019] Figure 3 It is a three-dimensional structural schematic diagram of the wire passing hole, the fixed sealing block, the movable sealing block and the spring of the utility model.

[0020] Figure 4 It is a three-dimensional structural schematic diagram of the installation box and the radiator of the utility model.

[0021] Figure 5 It is a three-dimensional structural schematic diagram of the square protective net of the utility model.

[0022] Markings in the accompanying drawings: 1-hollow base, 2-fan motor body, 3-outer casing, 4-shell, 5-wire hole, 6-water pump, 7-hard pipe, 8-surrounding pipe, 9-installation box, 10-radiator, 11-inlet pipe, 12-fixed sealing block, 13-movable sealing block, 14-spring, 15-square protective net, 16-circular protective net, 17-refrigeration plate, 18-rubber plug. DETAILED DESCRIPTION

[0023] The following description is only a preferred embodiment of the present invention and does not limit the protection scope of the present invention.

[0024] A flameproof fan motor, such as Figure 1-Figure 3 As shown, it includes a hollow base 1, a fan motor body 2, a shell 3, a casing 4, a water pump 6, a hard pipe 7 and a surrounding pipe 8. The fan motor body 2 and the shell 3 are connected to the top of the hollow base 1, the fan motor body 2 is located in the shell 3, and a through hole is provided on the left side of the shell 3 for the output shaft of the fan motor body 2 to extend out. The shell 4 is connected to the left side of the top of the shell 3, and the front and rear sides of the top of the casing 4 are provided with wire holes 5 for the wires of the fan motor body 2 to extend out. The water pump 6 is connected to the rear side of the bottom of the hollow base 1, and the hard pipe 7 is connected to the water outlet end of the water pump 6. Six surrounding pipes 8 are connected to the hard pipe 7, and the surrounding pipes 8 pass through the top of the hollow base 1. The surrounding pipes 8 are in contact with the outer side of the fan motor body 2, and a water inlet is provided on the right side of the top of the hollow base 1.

[0025] like Figure 4 As shown, it also includes a mounting box 9 and a radiator 10. The rear side of the housing 3 is connected to the mounting box 9, and the left and right sides of the mounting box 9 are both connected to the radiator 10 by bolts.

[0026] like Figure 1 As shown, an air intake pipe 11 is also included, and both left and right sides of the front side of the housing 3 are connected with the air intake pipe 11.

[0027] like Figure 1 and Figure 3 As shown, it also includes a fixed sealing block 12, a movable sealing block 13 and a spring 14. The fixed sealing blocks 12 are connected to the front and rear sides of the top of the shell 4, and the movable sealing blocks 13 are slidably connected to the front and rear sides of the top of the shell 4. The left side of the movable sealing block 13 is in contact with the right side of the fixed sealing block 12. The sides of the fixed sealing block 12 and the movable sealing block 13 that are close to each other are both made of rubber. Two springs 14 are connected between the right side of the movable sealing block 13 and the top of the shell 4.

[0028] like Figure 5 As shown, a square protective net 15 is also included, and the rear side of the installation box 9 is connected to the square protective net 15.

[0029] like Figure 1As shown, a circular protective net 16 is also included, and the front end of the air intake pipe 11 is connected to the circular protective net 16.

[0030] like Figure 1 As shown, a cooling fin 17 is also included, and the front side of the hollow base 1 is connected to the cooling fin 17 .

[0031] like Figure 1 As shown, a rubber plug 18 is also included. The rubber plug 18 is arranged in the water inlet.

[0032] The wires of the fan motor body 2 extend out from the wire-passing hole 5. Through the action of the spring 14, the movable sealing block 13 and the fixed sealing block 12 can clamp the wires of the fan motor body 2, and seal the gap between the wires of the fan motor body 2 and the wire-passing hole 5 to prevent dust from entering the housing 3 through the wire-passing hole 5. The sides of the fixed sealing block 12 and the movable sealing block 13 that are close to each other are made of rubber material, which can improve the sealing performance. The output shaft of the fan motor body 2 extends out through the through hole, and the external device can be connected to the output shaft of the fan motor body 2. The external device is driven to rotate by the output shaft of the fan motor body 2. The staff takes out the rubber plug 18 from the water inlet, pours cold water into the hollow base 1 through the water inlet, and then puts the rubber plug 18 back into the water inlet to prevent dust from entering the hollow base 1, and then starts Water pump 6, water pump 6 sucks cold water into the hard pipe 7, and the cold water flows into the surrounding pipe 8 through the hard pipe 7 to dissipate heat for the fan motor body 2 to prevent the fan motor body 2 from exploding due to excessive temperature. The cold water flows back into the hollow base 1 through the surrounding pipe 8. The refrigeration plate 17 can dissipate the cold water in the hollow base 1 to keep the cold water in the hollow base 1 in an ice-cold state. The radiator 10 can be started to discharge the heat in the outer shell 3 to assist in heat dissipation and improve the heat dissipation efficiency. The outside air can enter the outer shell 3 through the air inlet pipe 11 to speed up the air circulation and further improve the heat dissipation efficiency. The square protective net 15 can filter dust in the air to prevent dust from entering the outer shell 3 through the installation box 9. The circular protective net 16 can filter dust in the air to prevent dust from entering the outer shell 3 through the air inlet pipe 11.

[0033] Although the present invention has been described with reference to exemplary embodiments, it should be understood that the present invention is not limited to the disclosed exemplary embodiments. The scope of the following claims should be accorded the broadest interpretation so as to encompass all modifications and equivalent structures and functions.

Claims

1. A flameproof fan motor, comprising a hollow base (1), a fan motor body (2) and a housing (3), wherein the fan motor body (2) and the housing (3) are connected to the top of the hollow base (1), and the fan motor body (2) is located in the housing (3). It is characterized in that The invention also comprises a shell (4), a water pump (6), a hard pipe (7) and a surrounding pipe (8); the top of the outer shell (3) is connected to the shell (4); the top of the shell (4) is provided with two wire holes (5) for the wires of the fan motor body (2) to extend out; the hollow base (1) is connected to the water pump (6); the water outlet of the water pump (6) is connected to the hard pipe (7); six surrounding pipes (8) are connected to the hard pipe (7); the surrounding pipes (8) pass through the top of the hollow base (1); the surrounding pipes (8) are in contact with the outer side of the fan motor body (2); and the top of the hollow base (1) is provided with a water inlet.

2. According to the flameproof fan motor of claim 1, It is characterized in that It also includes an installation box (9) and a radiator (10); the side of the housing (3) is connected to the installation box (9), and a plurality of radiators (10) are connected inside the installation box (9).

3. According to the flameproof fan motor of claim 2, It is characterized in that It also includes an air inlet pipe (11), and the side of the housing (3) away from the installation box (9) is connected to two air inlet pipes (11).

4. A flameproof fan motor according to claim 3, It is characterized in that It also includes a fixed sealing block (12), a movable sealing block (13) and a spring (14); two fixed sealing blocks (12) are connected to the top of the shell (4); two movable sealing blocks (13) are slidably connected to the top of the shell (4); the movable sealing blocks (13) are in contact with the fixed sealing blocks (12); the fixed sealing blocks (12) and the movable sealing blocks (13) are used to clamp the wires of the fan motor body (2); and a plurality of springs (14) are connected between the movable sealing blocks (13) and the top of the shell (4).

5. A flameproof fan motor according to claim 4, It is characterized in that It also comprises a square protection net (15), and the installation box (9) is connected with the square protection net (15) for filtering dust in the air.

6. A flameproof fan motor according to claim 5, It is characterized in that It also includes a circular protective net (16), and the air inlet pipe (11) is connected to the circular protective net (16) for filtering dust in the air.

7. A flameproof fan motor according to claim 6, It is characterized in that It also includes a cooling fin (17), and the cooling fin (17) is connected to the hollow base (1).

8. A flameproof fan motor according to claim 7, It is characterized in that It also includes a rubber plug (18), and the rubber plug (18) is arranged in the water inlet.

9. A flameproof fan motor according to claim 8, It is characterized in that The housing (3) is provided with a through hole through which the output shaft of the fan motor body (2) extends.

10. A flameproof fan motor according to claim 9, It is characterized in that The sides of the fixed sealing block (12) and the movable sealing block (13) close to each other are both made of rubber material.

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