Variable frequency motor convenient for heat dissipation

Abstract

The utility model discloses a variable frequency motor convenient for heat dissipation, which belongs to the technical field of variable frequency motors convenient for heat dissipation, and is characterized in that the variable frequency motor convenient for heat dissipation comprises a bottom plate, the top of the bottom plate is fixedly connected with a support frame, the top of the support frame is fixedly connected with a heat dissipation assembly, and the interior of the heat dissipation assembly is fixedly connected with a motor body. The front side of the heat dissipation assembly is fixedly connected with an auxiliary assembly. The heat dissipation assembly comprises a protective cover, and the interior of the protective cover is fixedly connected with heat dissipation fins, so that the problems that heat dissipation fins are additionally arranged on the surfaces of most of existing variable-frequency motors, fans are additionally arranged at proper positions after most of the existing variable-frequency motors are provided with the heat dissipation fins, most of the existing heat dissipation fins are transversely arranged, and the heat dissipation efficiency is high can be solved. The problems that in the process that cooling fins are cooled through a fan, gas moves towards the output end of a motor, after the output end is connected with other instruments in a bolted mode, the gas makes contact with the other instruments, and the cooling efficiency may be reduced are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of variable frequency motor convenient for heat dissipation, in particular to a variable frequency motor convenient for heat dissipation. BACKGROUND

[0002] The motor is a kind of equipment that converts electric energy into mechanical energy, it is generated rotating magnetic field and acts on rotor by electric coil and forms magnetic electric power rotation torque, motor is divided into DC motor and AC motor according to different power supply, and most of the motors in power system are AC motors, which can be synchronous motor or asynchronous motor, and motor is mainly composed of stator and rotor, the direction of forced movement of energized wire in magnetic field is related to current direction and magnetic induction line direction, in the process of motor use, often need to adjust motor speed according to actual needs, which requires the use of frequency converter.

[0003] The existing variable frequency motor convenient for heat dissipation can release heat quickly through the heat absorption plate and the heat absorption plate outside, reduce the heat inside the shell, ensure the normal work of the frequency converter, and will not be damaged due to high temperature, but it still has the following obvious defects in use: the above-mentioned heat dissipation structure can only dissipate heat for the frequency converter of the motor, and the heat dissipation of the frequency converter is through the heat absorption of the heat absorption plate, but this kind of heat dissipation cooling method has poor heat dissipation effect, and the heat absorption is slow, which can not take away the heat quickly to cool and dissipate heat, so as to cause the internal frequency converter to be burned and damaged due to high temperature, and the above-mentioned variable frequency motor is in sealed form, which can not cool and dissipate heat for the stator and rotor inside it, so as to cause the stator and rotor to frequently malfunction due to high temperature, and the variable frequency motor can not work normally.

[0004] The existing patent (publication number: CN217720913U) discloses a variable frequency motor convenient for heat dissipation, which comprises a motor mounting seat, the end surface of the motor mounting seat is fixed with a variable frequency motor shell, the right side inside of the variable frequency motor shell is fixed with a ventilation dustproof plate piece, when the driving shaft of the variable frequency motor rotates at high speed, the driving shaft drives the heat dissipation fan blade to rotate at high speed to generate suction force, which can realize that the external cold air is sucked into the variable frequency motor shell through the combination of annular air inlet mesh plate and dustproof air inlet mesh plate, so as to realize the heat dissipation effect of the internal variable frequency motor, and avoid the problem that the variable frequency motor frequently malfunctions due to high temperature of stator and rotor, and through the setting of the air outlet annular mesh plate on the ventilation dustproof plate piece, the heat absorbed by the heat dissipation fan blade from the inside of the variable frequency motor shell can be quickly discharged, so as to effectively avoid the high temperature problem in the variable frequency motor, and improve the service life of the variable frequency motor.

[0005] In view of the above problems, the existing patent provides a solution, most of the existing variable frequency motor is installed on the surface of the motor cooling fin, most of the installation of cooling fin will be installed in the appropriate position fan, the existing cooling fin is mostly installed horizontally, in the process of cooling the cooling fin through the fan, the gas will move towards the motor output end, the output end is connected with other instruments, the gas will contact with other instruments, which may reduce the cooling efficiency.

[0006] Therefore, a variable frequency motor facilitating heat dissipation is provided. Content of the utility model

[0007] The utility model discloses a kind of variable frequency motors facilitating heat dissipation, can solve the existing most variable frequency motor is installed on the surface of the motor cooling fin, most of the installation of cooling fin will be installed in the appropriate position fan, the existing cooling fin is mostly installed horizontally, in the process of cooling the cooling fin through the fan, the gas will move towards the motor output end, the output end is connected with other instruments, the gas will contact with other instruments, which may reduce the cooling efficiency problem.

[0008] To achieve the above object, the utility model provides the following technical scheme: a kind of variable frequency motor facilitating heat dissipation, including bottom plate, the top of the bottom plate is fixedly connected with support frame, the top of the support frame is fixedly connected with heat dissipation assembly, the inside of the heat dissipation assembly is fixedly connected with motor body, the front side of the heat dissipation assembly is fixedly connected with auxiliary assembly;

[0009] The heat dissipation assembly includes protective cover, the inside of the protective cover is fixedly connected with cooling fin, the cooling fin is sleeved on the surface of motor body, the top of the protective cover is fixedly connected with top plate, the inside of the top plate is fixedly connected with fan body, the bottom of the protective cover is equipped with air outlet hole, the inside of the air outlet hole is fixedly connected with filter screen frame.

[0010] Preferably, the auxiliary assembly includes a hollow sleeve, and the hollow sleeve is communicated with a filling pipe at the top.

[0011] Preferably, the inside of the hollow sleeve is fixedly connected with a mounting frame, and the inside of the mounting frame is fixedly connected with an adsorption sponge.

[0012] Preferably, the inside of the filling pipe is fixedly connected with a sealing block, and the top of the sealing block is fixedly connected with a pulling block.

[0013] Preferably, the top of the top plate is provided with a splicing groove, the inside of the splicing groove is spliced with a splicing block, and the top of the splicing block is fixedly connected with a top cover.

[0014] Preferably, the inside of the top cover is fixedly connected with a frame, and the inside of the frame is fixedly connected with a protective net.

[0015] Preferably, the inside of the protective cover is fixedly connected with a protective sleeve, and the material of the protective sleeve is silica gel.

[0016] Preferably, the top of the bottom plate is provided with a mounting hole, and the inside of the mounting hole is clamped with a soft pad.

[0017] Compared with the prior art, the utility model has the beneficial effects that:

[0018] 1. The application avoids the influence of gas on external instruments, ensures rapid heat dissipation, maintains stable motor operating temperature, and improves motor performance and operating stability.

[0019] 2. The application reduces the wear of the output shaft and the motor body shell, and protects the rotation of the motor body shell and the output shaft. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the overall structure diagram of the frequency conversion motor convenient for heat dissipation of the utility model;

[0021] Figure 2 It is the structure schematic view of the heat dissipation assembly of the utility model;

[0022] Figure 3 It is the structure schematic view of the auxiliary assembly of the utility model;

[0023] Figure 4 It is the split schematic view of the splicing groove and the splicing block of the utility model;

[0024] Figure 5 It is the split schematic view of the mounting hole and the soft pad of the utility model;

[0025] Figure 6 It is the structure schematic view of the protective cover and the protective sleeve of the utility model.

[0026] In the drawing, 1, bottom plate; 2, support frame; 3, heat dissipation assembly; 301, protective cover; 302, heat dissipation fin; 303, top plate; 304, fan body; 305, air outlet hole; 306, filter screen frame; 4, motor body; 5, auxiliary assembly; 501, hollow sleeve; 502, filling pipe; 503, mounting frame; 504, adsorption sponge; 505, sealing block; 506, pulling block; 6, splicing groove; 7, splicing block; 8, top cover; 9, frame; 10, protective net; 11, protective sleeve; 12, mounting hole; 13, soft pad. DETAILED DESCRIPTION

[0027] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0028] Please refer to Figures 1-6 The present application provides a technical scheme:

[0029] A variable frequency motor convenient for heat dissipation, comprising a bottom plate 1, the top of the bottom plate 1 is fixedly connected with a support frame 2, the top of the support frame 2 is fixedly connected with a heat dissipation assembly 3, the inside of the heat dissipation assembly 3 is fixedly connected with a motor body 4, the front side of the heat dissipation assembly 3 is fixedly connected with an auxiliary assembly 5.

[0030] The heat dissipation assembly 3 comprises a protective cover 301, the inside of the protective cover 301 is fixedly connected with a heat dissipation fin 302, the heat dissipation fin 302 is sleeved on the surface of the motor body 4, the top of the protective cover 301 is fixedly connected with a top plate 303, the inside of the top plate 303 is fixedly connected with a fan body 304, the bottom of the protective cover 301 is provided with an air outlet hole 305, the inside of the air outlet hole 305 is fixedly connected with a filter screen frame 306.

[0031] In the embodiment, the base plate 1 and the support frame 2 are arranged to support the heat dissipation assembly 3; the heat dissipation assembly 3 is arranged to dissipate heat of the motor body 4; the auxiliary assembly 5 is arranged to protect the output shaft of the motor body 4 and lubricate the output shaft, so as to reduce the abrasion between the output shaft and the motor shell; the protective cover 301, the heat dissipation fins 302, the top plate 303, the fan body 304, the air outlet hole 305 and the filter screen frame 306 are arranged, and the motor body 4 generates a large amount of heat during operation, which is first transferred to the heat dissipation fins 302 arranged on the surface of the motor body 4; the heat dissipation fins 302 have a large surface area and can quickly absorb the heat emitted by the motor body 4, increase the heat dissipation area, and improve the heat dissipation efficiency; the fan body 304 fixed in the top plate 303 starts to work, and the fan body 304 generates strong suction force during operation, so as to make air flow; the external cold air enters from the top of the protective cover 301 under the action of the suction force of the fan body 304; after the cold air enters, it fully contacts the heat dissipation fins 302; since the heat dissipation fins 302 absorb the heat of the motor body 4, the temperature is high, and the cold air exchanges heat with the heat dissipation fins 302, so that the temperature of the cold air rises after absorbing heat; the hot air after heat exchange flows downward under the continuous action of the fan body 304 and is discharged through the air outlet hole 305 formed in the bottom of the protective cover 301; the design of the air outlet hole 305 ensures that the hot air can be smoothly discharged, so as to avoid accumulation in the protective cover 301 and maintain good heat dissipation effect; the filter screen frame 306 fixed in the air outlet hole 305 plays an important role in the process of discharging the hot air, and can block dust and impurities in the outside from entering the inside of the protective cover 301.

[0032] Specifically, as shown in Figure 1 , Figure 3 The auxiliary assembly 5 includes a hollow sleeve 501, and the hollow sleeve 501 is communicated with a filling pipe 502 at the top.

[0033] Specifically, as shown in Figure 3 The hollow sleeve 501 is fixedly connected with a mounting frame 503 in the inside, and the mounting frame 503 is fixedly connected with an adsorption sponge 504 in the inside.

[0034] Specifically, as shown in Figure 3 The filling pipe 502 is fixedly connected with a sealing block 505 in the inside, and the sealing block 505 is fixedly connected with a pulling block 506 at the top.

[0035] In the embodiment: through the setting of the hollow sleeve 501, the filling pipe 502, the mounting frame 503, the adsorption sponge 504, the sealing block 505 and the pulling block 506, through the front side of the hollow sleeve 501 and the motor body 4 are connected, then the user manually adds the lubricating liquid to the inside of the hollow sleeve 501 through the filling pipe 502, then the adsorption sponge 504 installed in the mounting frame 503 contacts with the lubricating liquid, then the adsorption sponge 504 contacts with the output shaft surface of the motor body 4, with the penetration of the lubricating oil, the adsorption sponge 504 lubricates the output shaft of the motor body 4, and through the hollow sleeve 501, the output shaft root of the motor body 4 can be protected, through the sealing block 505 and the inner wall of the filling pipe 502, the filling pipe 502 is sealed, through the pulling block 506, the user can easily disassemble the sealing block 505 in the inner wall of the filling pipe 502.

[0036] Specifically, as shown in Figure 4 , the top of the top plate 303 is provided with a splicing groove 6, and the splicing groove 6 is spliced with a splicing block 7, and the top of the splicing block 7 is fixedly connected with a top cover 8.

[0037] Specifically, as shown in Figure 1 , Figure 4 , the inside of the top cover 8 is fixedly connected with a frame 9, and the inside of the frame 9 is fixedly connected with a protective net 10.

[0038] In the embodiment: through the setting of the splicing groove 6, the splicing block 7 and the top cover 8, the top cover 8 is spliced with the top plate 303 by the splicing block 7 and the inner wall of the splicing groove 6, and the frame 9 and the protective net 10 are set, the protective net 10 is placed by the frame 9, and the frame 9 and the top cover 8 are connected, and the hole at the top of the top cover 8 is protected, so that the dust entering the inside of the protective cover 301 is reduced.

[0039] Specifically, as shown in Figure 6 , the inside of the protective cover 301 is fixedly connected with a protective sleeve 11, and the material of the protective sleeve 11 is silica gel.

[0040] Specifically, as shown in Figure 5 , the top of the bottom plate 1 is provided with a mounting hole 12, and the inside of the mounting hole 12 is connected with a soft pad 13.

[0041] In the embodiment: through the setting of the protective sleeve 11, the protective cover 301 can be used cooperatively to protect the motor body 4, and through the setting of the mounting hole 12 and the soft pad 13, the soft pad 13 is placed through the mounting hole 12, and the soft pad 13 contacts with the bolt, so as to slow down the loosening of the bolt after the installation of the bottom plate 1 and other instruments is completed.

[0042] Working principle: the motor body 4 generates heat, the heat is transmitted to the heat dissipation fin 302 sleeved on the surface of the motor body 4, the fan body 304 in the top plate 303 is started, the suction force is generated to make the external cold air enter the protective cover 301, the cold air becomes hot air after heat exchange with the heat dissipation fin 302, and the hot air is discharged through the air outlet hole 305 at the bottom of the protective cover 301 under the action of the fan body 304, which is different from the conventional transverse installation of the heat dissipation fin 302 and the gas flow direction of the fan heat dissipation outlet, which is easy to reduce the heat dissipation efficiency. The design makes the hot air discharged from the bottom air outlet hole 305, avoids the gas flow to the output end of the motor body 4, prevents the heat dissipation efficiency from being reduced due to the contact between the gas and the external instrument, can more efficiently take away the heat, guarantees the stable operation of the motor body 4, and the hollow sleeve 501 of the auxiliary assembly 5 is bolted to the front side of the motor body 4. The user pulls the sealing block 505 in the filling pipe 502 through the pulling block 506, adds lubricating liquid to the filling pipe 502, the lubricating liquid flows into the hollow sleeve 501, the adsorbing sponge 504 on the mounting frame 503 in the hollow sleeve 501 contacts the lubricating liquid, and then penetrates the lubricating oil. The adsorbing sponge 504 contacts the surface of the output shaft of the motor body 4, lubricates the output shaft, and reduces the wear of the output shaft and the shell of the motor body 4.

[0043] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A variable frequency motor with easy heat dissipation, comprising a bottom plate (1), characterized in that: The top of the bottom plate (1) is fixedly connected with a support frame (2), the top of the support frame (2) is fixedly connected with a heat dissipation assembly (3), the inside of the heat dissipation assembly (3) is fixedly connected with a motor body (4), and the front side of the heat dissipation assembly (3) is fixedly connected with an auxiliary assembly (5). The heat dissipation assembly (3) comprises a protective cover (301), the inside of the protective cover (301) is fixedly connected with a heat dissipation fin (302), the heat dissipation fin (302) is sleeved on the surface of the motor body (4), the top of the protective cover (301) is fixedly connected with a top plate (303), the inside of the top plate (303) is fixedly connected with a fan body (304), the bottom of the protective cover (301) is provided with an air outlet hole (305), and the inside of the air outlet hole (305) is fixedly connected with a filter screen frame (306).

2. The variable frequency motor of claim 1, wherein: The auxiliary assembly (5) comprises a hollow sleeve (501), and the top of the hollow sleeve (501) is communicated with a filling pipe (502).

3. The variable frequency motor of claim 2, wherein: The inside of the hollow sleeve (501) is fixedly connected with a mounting frame (503), and the inside of the mounting frame (503) is fixedly connected with an adsorption sponge (504).

4. The variable frequency motor of claim 2, wherein: The inside of the filling pipe (502) is fixedly connected with a sealing block (505), and the top of the sealing block (505) is fixedly connected with a pulling block (506).

5. The variable frequency motor of claim 1, wherein: The top of the top plate (303) is provided with a splicing groove (6), the inside of the splicing groove (6) is spliced with a splicing block (7), and the top of the splicing block (7) is fixedly connected with a top cover (8).

6. The variable frequency motor of claim 5, wherein: The inside of the top cover (8) is fixedly connected with a frame (9), and the inside of the frame (9) is fixedly connected with a protective net (10).

7. The variable frequency motor of claim 1, wherein: The inside of the protective cover (301) is fixedly connected with a protective sleeve (11), and the material of the protective sleeve (11) is silica gel.

8. The variable frequency electric machine of claim 1, wherein: The top of the bottom plate (1) is provided with a mounting hole (12), and the inside of the mounting hole (12) is clamped with a soft pad (13).

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