CN217591444U - Motor driver with noise reduction structure and high-efficiency heat dissipation structure - Google Patents

Abstract

The utility model discloses a motor driver with structure and high efficiency heat radiation structure of making an uproar falls, including casing and motor drive module, the casing has two-layer structure, and wherein, casing upper strata installation motor drive module, casing lower floor's installation heat dissipation module, heat dissipation module are to motor drive module forced air cooling heat dissipation, and heat dissipation module is including installing the tuber pipe of wind-force generating device in the shell and being fixed in wind-force generating device one end, and this tuber pipe is connected to on locating the pipe holder on casing upper strata through the trachea. The utility model discloses the mode of making an uproar falls designs the rotor into the air suspension bearing to realize noise reduction's effect. Because the air suspension bearing can suspend when high-speed rotation, reduce the friction with left flange, right flange, and then reduced the noise. The utility model discloses a worm wheel blade is connected to the rotor, and worm wheel blade makes tracheal outlet end form high velocity air current to the air pressure boost in the tuber pipe, and high velocity air current faces the motor drive module, and then realizes high-efficient radiating purpose.

Description

Motor driver with noise reduction structure and high-efficiency heat dissipation structure

Technical Field

The utility model relates to a motor driver, specific saying so relates to a motor driver with structure and high efficiency heat radiation structure of making an uproar falls.

Background

The driver is just positioned in the middle of the main control box and the driver motor to change the joints in the whole control link. The main function of the driver is to receive signals from the main control box, process the signals and transfer the signals to the motor and the sensor related to the motor, and feed back the working condition of the motor to the main control box. The motor driver is a switch, and because the motor has large driving current or high voltage, a so-called driver is added to control the motor when a general switch or an electronic component cannot be used as a switch for controlling the motor. The motor driver has the following functions: the function of the motor driver is to realize the control of the duty ratio by controlling the rotation angle and the running speed of the motor so as to achieve the idle speed control of the motor.

At present, a plurality of motors are controlled by the same motor driver, so that the working pressure of the motor driver is increased, a plurality of driving modules on the motor driver synchronously work to generate a large amount of heat, the heat is discharged in time to reduce the service life of the motor driver, and even the motor driver is damaged.

In order to solve the problem of heat dissipation, the motor driver is generally provided with an aluminum heat sink or a fan heat sink or a combination of the aluminum heat sink and the fan heat sink to achieve heat dissipation of the motor driver, but the three heat dissipation methods have poor effects, especially the fan heat sink has high noise.

Therefore, there is a need for an improvement in the heat dissipation system of the conventional multi-control motor driver.

SUMMERY OF THE UTILITY MODEL

To the deficiency among the prior art, the to-be-solved technical problem of the utility model lies in providing a motor drive with structure and high efficiency heat radiation structure of making an uproar falls, and the purpose of designing this motor drive is in order to fall to make an uproar and improve the radiating efficiency.

In order to solve the technical problem, the utility model discloses a following scheme realizes: the utility model discloses a motor driver with noise reduction structure and high efficiency heat radiation structure, including the casing and locate the motor drive module on the casing, the casing has two-layer structure, wherein, the installation of casing upper strata the motor drive module, casing lower floor installation heat dissipation module, the heat dissipation module is to the motor drive module forced air cooling heat dissipation, the heat dissipation module is including installing in the wind-force generating device in the casing and being fixed in the tuber pipe of wind-force generating device one end, and this tuber pipe is connected to the pipe support of locating the casing upper strata through the trachea;

the wind power generation device includes:

a housing;

a cylinder body which is arranged in the shell and has two through ends;

the left flange is arranged at the left end of the cylinder body;

the right flange is arranged at the right end of the cylinder body and is connected with the air pipe;

the rotor is rotatably connected between the left flange and the right flange, the rotor is an air suspension bearing, one end of the rotor is in driving connection with a worm wheel blade, the worm wheel blade is arranged at the inner opening end of the air pipe, and high-speed airflow generated after the worm wheel blade rotates at high speed enters the air pipe from the air pipe;

the stator is fixed in the cylinder and sleeved outside the rotor.

Furthermore, the outer wall ring array in the length direction of the cylinder body is distributed with ribs.

Further, after the rotor rotates at a high speed, an air suspension structure is formed at the joint between the rotor and the left flange and the right flange.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a motor driver's the mode of making an uproar of falling designs the rotor into the air suspension bearing to realize noise reduction's effect. Because the air suspension bearing can suspend when high-speed rotation, reduce the friction with left flange, right flange, and then reduced the noise.

The utility model discloses a worm wheel blade is connected to the rotor, and worm wheel blade makes tracheal outlet end form high velocity air current to the air pressure boost in the tuber pipe, and high velocity air current faces the motor drive module, and then realizes high-efficient radiating purpose.

Drawings

Fig. 1 is a schematic structural diagram of the motor driver of the present invention.

Fig. 2 is a structural view of the wind power generator of the present invention.

Fig. 3 is a structural diagram of the wind power generator with the outer casing removed.

Fig. 4 is a structural diagram of the cylinder of the present invention.

Fig. 5 is the installation structure diagram of the stator, the rotor, the left flange and the right flange of the present invention.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making more clear and definite definitions of the protection scope of the present invention. Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Example 1: the utility model discloses a concrete structure as follows:

referring to fig. 1-5, the present invention relates to a motor driver with noise reduction structure and high efficiency heat dissipation structure, including a housing 1 and a motor driving module disposed on the housing 1, wherein the housing 1 has a two-layer structure, the motor driving module is mounted on the upper layer of the housing, the heat dissipation module 2 is mounted on the lower layer of the housing, the heat dissipation module 2 cools and dissipates heat to the motor driving module, the heat dissipation module includes a wind power generator 21 mounted in the housing 1 and a wind pipe 22 fixed at one end of the wind power generator 21, the wind pipe 22 is connected to a pipe support disposed on the upper layer of the housing through a wind pipe 3;

the wind power generation device 21 includes:

a housing;

a cylinder 211 provided in the housing and having two ends penetrating therethrough;

a left flange 212 mounted to the left end of the cylinder 211;

a right flange 213 mounted at the right end of the cylinder 211, wherein the right flange 213 is connected with the air pipe 22;

the rotor 214 is rotatably connected between the left flange 212 and the right flange 213, the rotor 214 is an air suspension bearing, one end of the rotor 214 is connected with a worm wheel blade in a driving manner, the worm wheel blade is arranged at the inner opening end of the air pipe 22, and high-speed airflow generated after the worm wheel blade rotates at a high speed enters the air pipe 3 from the air pipe 22;

and a stator 215 fixed in the cylinder 211 and sleeved outside the rotor 214.

A preferred technical solution of this embodiment: the outer wall ring array of the cylinder 211 in the length direction is distributed with ribs.

A preferred technical solution of this embodiment: after the rotor 214 rotates at a high speed, an air suspension structure is formed at the joint between the rotor and the left flange 212 and the right flange 213.

Example 2:

as shown in fig. 1-5, when the motor drive module is operating, it generates a large amount of heat that accumulates within the motor drive housing and can cause damage to components on the circuit board.

Motor drive module during operation, the utility model discloses a wind-force generation device 21 is synchronous start also, produces rotary driving power to rotor 214 after going up on the coil on the stator 215, and rotor 214 is the air suspension bearing, and it is when high-speed rotatory, forms the air suspension structure between rotor 214's left end and the left flange 212, forms the air suspension structure between rotor 214's right-hand member and the right flange 213. Therefore, the noise generated when the rotor 214 rotates is extremely small, and the surrounding environment is not affected.

Example 3:

the utility model discloses a heat dissipation adopts the forced air cooling heat dissipation, when rotor 214 drives the high-speed rotation of worm wheel blade, produces the high velocity air current, and the high velocity air current gets into trachea 3 from tuber pipe 22, again through institute's 3 export, to the utility model discloses a motor drive module air supply, because high velocity air current wind-force is big, and then make the motor drive module radiating effect good.

To sum up, the utility model discloses a motor driver's the mode of making an uproar of falling designs the rotor into the air suspension bearing to realize noise reduction's effect. Because the air suspension bearing can suspend when high-speed rotation, reduce the friction with left flange, right flange, and then reduced the noise.

The utility model discloses a worm wheel blade is connected to the rotor, and worm wheel blade makes tracheal air outlet end form high velocity air current to the air pressure boost in the tuber pipe, and high velocity air current faces motor drive module, and then realizes high-efficient radiating purpose.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.

Claims (3)

1. A motor driver with a noise reduction structure and a high-efficiency heat dissipation structure comprises a machine shell (1) and a motor drive module arranged on the machine shell (1), wherein the machine shell (1) has a two-layer structure, the motor drive module is arranged on the upper layer of the machine shell, a heat dissipation module (2) is arranged on the lower layer of the machine shell, and the heat dissipation module (2) is used for cooling the motor drive module in an air cooling mode;

the wind power generation device (21) comprises:

a housing;

a cylinder (211) arranged in the shell and having two through ends;

a left flange (212) mounted to the left end of the cylinder (211);

the right flange (213) is mounted at the right end of the cylinder (211), and the right flange (213) is connected with the air pipe (22);

the rotor (214) is rotatably connected between the left flange (212) and the right flange (213), the rotor (214) is an air suspension bearing, one end of the rotor (214) is connected with a worm wheel blade in a driving mode, the worm wheel blade is arranged at the inner opening end of the air pipe (22), and high-speed airflow generated after the worm wheel blade rotates at a high speed enters the air pipe (3) from the air pipe (22);

and the stator (215) is fixed in the cylinder (211) and sleeved outside the rotor (214).

2. The motor driver having a noise reduction structure and a high-efficiency heat dissipation structure as claimed in claim 1, wherein the outer wall of the cylinder (211) along the length direction is arranged in an array of ribs.

3. The motor driver having a noise reduction structure and a high efficiency heat dissipation structure as claimed in claim 1, wherein the rotor (214) forms an air suspension structure at a junction with the left flange (212) and the right flange (213) after rotating at a high speed.

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