CN211456925U - Direct current motor with good heat dissipation performance - Google Patents

Abstract

The utility model relates to a direct current motor technical field just discloses a good heat dissipation's direct current motor, the on-line screen storage device comprises a base, the top fixed mounting of base has motor housing body. This good heat dissipation's direct current motor, setting through flange, install the right side at the motor housing body with the motor tail cover, at the motor during operation, be connected with motor drive through fan output shaft, it is rotatory to make fan output shaft drive the flabellum, thereby discharge the inside heat of motor inner shell from the motor afterbody, the heat is discharged through the space of ventilation hole and dust screen, thereby thermal giving off has been accelerated, and the setting through the dust screen, prevent that the dust from getting into inside, and through radiating fin's setting, the area of contact of motor housing body with the outside air has been increased, thereby evenly distribute away through radiating fin with the absorbed heat on the motor housing body, further accelerated the radiating rate of motor, good heat dissipation's purpose has been reached.

Description

Direct current motor with good heat dissipation performance

Technical Field

The utility model relates to a direct current motor technical field specifically is a good heat dissipation's direct current motor.

Background

The dc motor is a motor that converts dc electric energy into mechanical energy, and is widely used in electric traction due to its good speed regulation performance.

Various direct current motors on the market at present have the defect of poor heat dissipation, a common motor is basically in a closed state, the heat dissipation is assisted only by a heat dissipation structure on a motor shell, a good heat dissipation effect cannot be achieved, if the motor works in high-temperature weather, the internal temperature can be increased sharply, the service life of the motor is shortened, and the motor can be stopped under severe conditions, so that the direct current motor with good heat dissipation is provided to solve the problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a good heat dissipation's direct current motor possesses advantages such as good heat dissipation, has solved ordinary motor and is in the encapsulated situation basically, only relies on the supplementary heat dissipation of heat radiation structure on the motor housing, can not reach good radiating effect, if work under high temperature weather, inside temperature can sharply rise, leads to the life of motor to reduce, still can lead to the problem of motor stop work under the serious condition.

(II) technical scheme

For realizing the good heat dissipation purpose, the utility model provides a following technical scheme: a direct current motor with good heat dissipation performance comprises a base, wherein a motor shell body is fixedly mounted at the top of the base, an annular connecting plate is fixedly mounted on the inner side of the motor shell body, one end, away from the motor shell body, of the annular connecting plate is fixedly connected with a motor inner shell, a direct current motor body is fixedly mounted inside the motor inner shell, a motor output shaft is fixedly connected on the left side of the motor shell body, a fan output shaft is fixedly connected on the right side of the motor shell body, a connecting flange is fixedly mounted on the right side of the motor shell body, a motor tail cover is fixedly mounted on the right side of the connecting flange, a ventilation hole is formed in the right side of the motor tail cover, a dust screen is fixedly mounted inside the ventilation hole, fan blades are fixedly mounted on the outer side of the fan output shaft, and heat, the motor comprises a motor outer shell body, a motor inner shell and a heat pipe, wherein the motor outer shell body is fixedly provided with a heat pipe, the motor inner shell is fixedly provided with a heat pipe, the heat pipe is fixedly connected with the motor outer shell body, the motor outer shell body is fixedly provided with a junction box at the top, heat conduction oil is filled between the motor outer shell body and the motor inner shell, the heat pipe is fixedly connected with the motor inner.

Preferably, the number of the annular connecting plates is two, and the two annular connecting plates are respectively positioned on the left side and the right side of the inner cavity of the motor shell body.

Preferably, the motor outer shell body and the motor inner shell are both cylinders with hollow interiors, and the diameter of the motor outer shell body is larger than that of the motor inner shell.

Preferably, the number of the radiating fins is a plurality, and the plurality of the radiating fins are uniformly distributed on the outer side of the motor shell body.

Preferably, the number of the heat pipes is six, and the six heat pipes are uniformly distributed between the motor outer shell body and the motor inner shell.

Preferably, the heat pipe is a copper pipe with a hollow inner part, the radiating fins are aluminum sheets, and the heat transfer medium is acetone solution.

(III) advantageous effects

Compared with the prior art, the utility model provides a good heat dissipation's direct current motor possesses following beneficial effect:

1. this good heat dissipation's direct current motor, setting through flange, install the right side at the motor housing body with the motor tail cover, at the motor during operation, be connected with motor drive through fan output shaft, it is rotatory to make fan output shaft drive the flabellum, thereby discharge the inside heat of motor inner shell from the motor afterbody, the heat is discharged through the space of ventilation hole and dust screen, thereby thermal giving off has been accelerated, and the setting through the dust screen, prevent that the dust from getting into inside, and through radiating fin's setting, the area of contact of motor housing body with the outside air has been increased, thereby evenly distribute away through radiating fin with the absorbed heat on the motor housing body, further accelerated the radiating rate of motor, good heat dissipation's purpose has been reached.

2. This good heat dissipation's direct current motor, setting through motor inner shell and conduction oil, absorb the heat that is located the inside motor of motor inner shell and produces through motor inner shell and conduction oil, and the conduction oil has been full of between motor inner shell and the motor housing body, make the heat pipe between motor housing body and the motor inner shell absorb the heat of conduction oil, this heat is absorbed by the heat transfer medium in the capillary in the heat pipe, the absorbed heat of heat transfer medium reaches the boiling point and becomes gaseous after a definite amount, the other end cooling liquefaction of gas floating to the heat pipe, thereby release a large amount of heats, and the motor housing body is passed to the one end that the motor inner shell was kept away from to the heat pipe, make the heat can give off to the external world from the other end, the heat dissipation rate has.

Drawings

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

FIG. 2 is a schematic view of the motor casing body, the heat pipe and the motor inner casing;

FIG. 3 is an enlarged view of the point A in FIG. 2 according to the present invention;

fig. 4 is the installation schematic diagram of the motor housing body, the motor inner shell and the annular connecting plate of the present invention.

In the figure: the motor comprises a base 1, a motor outer shell body 2, an annular connecting plate 3, a motor inner shell 4, a direct current motor body 5, a motor output shaft 6, a fan output shaft 7, a connecting flange 8, a motor tail cover 9, a vent hole 10, a dust screen 11, fan blades 12, heat radiating fins 13, a junction box 14, heat conducting oil 15, a heat pipe 16, a capillary 17 and a heat transfer medium 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a direct current motor with good heat dissipation includes a base 1, a motor housing body 2 is fixedly installed on the top of the base 1, two annular connecting plates 3 are fixedly installed on the inner side of the motor housing body 2, the two annular connecting plates 3 are respectively located on the left side and the right side of the inner cavity of the motor housing body 2, one end of the annular connecting plate 3 away from the motor housing body 2 is fixedly connected with a motor inner shell 4, the motor housing body 2 and the motor inner shell 4 are both cylinders with hollow interiors, the diameter of the motor housing body 2 is larger than that of the motor inner shell 4, a direct current motor body 5 is fixedly installed inside the motor inner shell 4, a motor output shaft 6 is fixedly connected on the left side of the motor housing body 2, a fan output shaft 7 is fixedly connected on the right side of the motor housing body 2, and a connecting flange 8 is fixedly installed on, a motor tail cover 9 is fixedly arranged on the right side of the connecting flange 8, a vent hole 10 is formed in the right side of the motor tail cover 9, a dustproof net 11 is fixedly arranged inside the vent hole 10, fan blades 12 are fixedly arranged on the outer side of the fan output shaft 7, radiating fins 13 are fixedly arranged on the outer side of the motor shell body 2, the motor tail cover 9 is arranged on the right side of the motor shell body 2 through the arrangement of the connecting flange 8, when the motor works, the motor is in transmission connection with the motor through the fan output shaft 7, the fan output shaft 7 drives the fan blades 12 to rotate, so that heat inside the motor inner shell 4 is discharged from the tail part of the motor, the heat is discharged through a gap between the vent hole 10 and the dustproof net 11, thereby the heat emission is accelerated, dust is prevented from entering the inside through the arrangement of the dustproof net 11, and the contact area between the motor shell body 2 and outside air is, therefore, heat absorbed on the motor outer shell body 2 is uniformly dissipated through the heat dissipating fins 13, the heat dissipating speed of the motor is further accelerated, and the purpose of good heat dissipation is achieved, wherein the number of the heat dissipating fins 13 is a plurality, the plurality of the heat dissipating fins 13 are uniformly distributed on the outer side of the motor outer shell body 2, the top of the motor outer shell body 2 is fixedly provided with the junction box 14, heat conducting oil 15 is filled between the motor outer shell body 2 and the motor inner shell 4, the heat conducting oil 15 has the characteristics of uniform heating, accurate temperature regulation control, capability of generating high temperature under low steam pressure, good heat transfer effect, convenient energy saving and conveying operation and the like, heat pipes 16 are fixedly connected between the motor outer shell body 2 and the motor inner shell 4, the number of the heat pipes 16 is six, the six heat pipes 16 are uniformly distributed between the motor outer shell body 2 and the motor inner shell 4, the heat transfer medium 18 is filled in the capillary tube 17, the heat pipe 16 is a copper tube with a hollow inner part, the heat conductivity of copper is good, the heat absorption rate of the heat pipe 16 can be increased, the radiating fins 13 are aluminum sheets, the aluminum has light weight and good heat radiation performance, the heat radiation speed of the motor outer shell body 2 can be increased, the heat transfer medium 18 is acetone solution, the boiling point of the acetone solution is low, the acetone solution can be boiled at a lower temperature and becomes gas, the heat generated by the motor positioned in the motor inner shell 4 is absorbed through the motor inner shell 4 and the heat conducting oil 15, the heat conducting oil 15 is filled between the motor inner shell 4 and the motor outer shell body 2, the heat pipe 16 between the motor outer shell body 2 and the motor inner shell 4 absorbs the heat of the heat conducting oil 15, the heat is absorbed by the heat transfer medium 18 in the capillary tube 16, and, the other end that gas floated heat pipe 16 cools off the liquefaction to release a large amount of heats, and motor housing body 2 is passed to the one end that motor inner shell 4 was kept away from to heat pipe 16, makes the heat can distribute to the external world from the other end for heat dissipation rate has reached good heat dissipation's purpose.

When using, motor inner shell 4 and conduction oil 15 absorb the heat that is located the inside motor production of motor inner shell 4, heat pipe 16 reabsorbs the heat of conduction oil 15, heat transfer medium 18 in the capillary 17 is heated and becomes gaseous, the other end cooling liquefaction that floats to heat pipe 16 to release a large amount of heats, the heat dissipation has been accelerated, fan output shaft 7 drives flabellum 12 and can discharge inside heat from ventilation hole 10 on the motor tail cover 9, make the thermal diffusivity better.

In conclusion, this direct current motor with good heat dissipation, setting through flange 8, install motor tail cover 9 on the right side of motor housing body 2, at the motor during operation, be connected with motor drive through fan output shaft 7, make fan output shaft 7 drive flabellum 12 rotatory, thereby discharge the inside heat of motor inner shell 4 from the motor afterbody, the heat is discharged through the space of ventilation hole 10 and dust screen 11, thereby thermal giving off has been accelerated, and through the setting of dust screen 11, prevent that the dust from getting into inside, and through the setting of radiating fin 13, the area of contact of motor housing body 2 with the outside air has been increased, thereby evenly distribute away the heat of absorbing on the motor housing body 2 through radiating fin 13, further accelerated the radiating rate of motor, good heat dissipation's purpose has been reached.

And, through the setting of motor inner shell 4 and conduction oil 15, motor inner shell 4 and conduction oil 15 absorb the heat that is located the inside motor of motor inner shell 4 and produces, and conduction oil 15 has been full of between motor inner shell 4 and the motor outer shell body 2, make the heat pipe 16 between motor outer shell body 2 and the motor inner shell 4 absorb the heat of conduction oil 15, this heat is absorbed by heat transfer medium 18 in capillary 17 in heat pipe 16, the heat that heat transfer medium 18 absorbed reaches the boiling point after reaching a certain amount and becomes gaseous, the other end cooling liquefaction that the gas floated to heat pipe 16, thereby release a large amount of heat, and the one end that motor inner shell 4 was kept away from to heat pipe 16 passes motor outer shell body 2, make the heat can distribute to the external world from the other end, the heat dissipation rate has been accelerated, good heat dissipation.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a good heat dissipation's direct current motor, includes base (1), its characterized in that: the motor is characterized in that a motor shell body (2) is fixedly mounted at the top of the base (1), an annular connecting plate (3) is fixedly mounted on the inner side of the motor shell body (2), one end, far away from the motor shell body (2), of the annular connecting plate (3) is fixedly connected with a motor inner shell (4), a direct current motor body (5) is fixedly mounted on the inner side of the motor inner shell (4), a motor output shaft (6) is fixedly connected to the left side of the motor shell body (2), a fan output shaft (7) is fixedly connected to the right side of the motor shell body (2), a connecting flange (8) is fixedly mounted on the right side of the motor shell body (2), a motor tail cover (9) is fixedly mounted on the right side of the connecting flange (8), a ventilation hole (10) is formed in the right side of the motor tail cover (9), and a dust screen (, the fan comprises a fan output shaft (7), fan blades (12) are fixedly mounted on the outer side of the fan output shaft (7), heat radiating fins (13) are fixedly mounted on the outer side of a motor outer shell body (2), a junction box (14) is fixedly mounted on the top of the motor outer shell body (2), heat conducting oil (15) is filled between the motor outer shell body (2) and a motor inner shell (4), a heat pipe (16) is fixedly connected between the motor outer shell body (2) and the motor inner shell (4), a capillary tube (17) is fixedly mounted inside the heat pipe (16), and a heat transfer medium (18) is filled inside the capillary tube (17).

2. The direct current motor having a good heat dissipation property according to claim 1, wherein: the number of the annular connecting plates (3) is two, and the two annular connecting plates (3) are respectively positioned at the left side and the right side of the inner cavity of the motor shell body (2).

3. The direct current motor having a good heat dissipation property according to claim 1, wherein: the motor outer shell body (2) and the motor inner shell (4) are both cylinders with hollow interiors, and the diameter of the motor outer shell body (2) is larger than that of the motor inner shell (4).

4. The direct current motor having a good heat dissipation property according to claim 1, wherein: the number of the radiating fins (13) is a plurality, and the radiating fins (13) are uniformly distributed on the outer side of the motor shell body (2).

5. The direct current motor having a good heat dissipation property according to claim 1, wherein: the number of the heat pipes (16) is six, and the six heat pipes (16) are uniformly distributed between the motor outer shell body (2) and the motor inner shell (4).

6. The direct current motor having a good heat dissipation property according to claim 1, wherein: the heat pipe (16) is a copper pipe with a hollow inner part, the radiating fins (13) are aluminum sheets, and the heat transfer medium (18) is acetone solution.

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