CN211671153U

CN211671153U - Motor driving device

Info

Publication number: CN211671153U
Application number: CN202020550747.5U
Authority: CN
Inventors: 林斌骞
Original assignee: Jiangsu Speed Elecytical Machinery Stock Co ltd
Current assignee: Jiangsu Speed Elecytical Machinery Stock Co ltd
Priority date: 2020-04-15
Filing date: 2020-04-15
Publication date: 2020-10-13
Anticipated expiration: 2030-04-15

Abstract

The utility model discloses a motor drive device, including casing, circuit board and small-size fin, there is the circuit board middle part through bolted connection in the casing, the welding has temperature sensor on the circuit board, there is the small-size fin circuit board both sides through the screw connection, the casing both sides shaping has the radiating groove. Has the advantages that: the utility model discloses a set up the radiating groove, small-size fin and temperature sensor, can increase the radiating effect of device, guarantee that circuit board and components and parts operating temperature are normal, improve work efficiency, the temperature that simultaneously can the real-time supervision device during operation produce, and feed back, reduce the potential safety hazard, improve the safety in utilization, through setting up the dust screen, the protection is filled up, can effectively prevent inside the dust gets into the casing through the radiating groove, guarantee that inside electronic components is clean, increase radiating effect and working property, can avoid bumping in the installation simultaneously, the practicality is good.

Description

Motor driving device

Technical Field

The utility model relates to the technical field of motors, concretely relates to motor drive device.

Background

The motor is divided into DC motor and AC motor according to different power sources, the motor is mainly composed of stator and rotor, the direction of the forced movement of the electrified conducting wire in the magnetic field is related to the current direction and the magnetic induction line direction, and the working principle of the motor is that the magnetic field exerts force on the current to make the motor rotate.

The motor driving device is an actuating mechanism for converting electric pulse into angular displacement, when a driver receives a pulse signal, it drives the motor to rotate by a fixed angle according to a set direction, and the rotation of the motor is operated by one step at a fixed angle, and the angular displacement can be controlled by controlling the number of pulses, so that the aim of accurate positioning is achieved, and meanwhile, the rotating speed and acceleration of the motor can be controlled by controlling the pulse frequency, so that the aims of speed regulation and positioning are achieved.

At present current motor drive device is small, and the installation of components and parts interval is inseparable, and the during operation produces higher temperature easily, and the radiating effect is poor, influences the work efficiency of device, can cause the injury to the device when serious, has the potential safety hazard, and the radiating groove among the current motor drive device is in open state in addition, makes the dust get into easily, influences the performance of inside components and parts, and lacks buffer stop, and the practicality is low.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the defects of the prior art, the motor driving device is provided, and the problems that the existing motor driving device is small in size, the space between components is tightly installed, high temperature is easily generated during working, the heat dissipation effect is poor, the working efficiency of the device is influenced, the device can be damaged when serious, and potential safety hazards exist are solved.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a motor drive device, including casing, circuit board and small-size fin, there is the circuit board middle part through bolted connection in the casing, the welding has temperature sensor on the circuit board, there is the small-size fin circuit board both sides through the screw connection, the casing both sides shaping has the radiating groove.

Furthermore, one side of the shell, which is close to the radiating groove, is connected with a dust screen through a clamping groove, and rubber pads are bonded to the upper side and the lower side of the shell.

Through adopting above-mentioned technical scheme, through the casing provides the outrigger, through the circuit board provides circuit connection for the device, thereby the drive motor operation of the drive arrangement work of being convenient for, the temperature sensor model is CAT-RTD0003, can detect the temperature that the circuit board during operation produced, timely feedback, small-size fin is the same with current market technology principle, can effectively dispel the heat, through the radiating groove guarantees the circulation of gas in the casing ensures circuit board and electronic component operating temperature are normal, reduce the potential safety hazard, through the dust screen can effectively prevent the dust to pass through the radiating groove gets into, guarantees that inside electronic components is clean, can increase the radiating effect, through the rubber pad is right the casing is protected, avoids bumping in the installation, increases the practicality.

Furthermore, fixing holes are formed in the upper end and the lower end of the shell, a connecting terminal is inserted into one side, adjacent to the heat dissipation groove, of the shell, a terminal groove is formed in one side of the connecting terminal, and one side, adjacent to the terminal groove, of the connecting terminal is connected with a fixing screw through threads.

By adopting the technical scheme, the device can be fixed through the fixing hole, the connecting terminal is connected with the motor and an external control circuit, and the electric wire inserted into the terminal groove is locked and fixed through the fixing screw, so that the stable connection is ensured.

Furthermore, the connecting terminal is electrically connected with the circuit board, the controller is welded in the middle of the circuit board, and an annular distributor is arranged on one side of the controller.

By adopting the technical scheme, the controller is an L298 chip, can effectively receive pulse signals, controls the device to operate, and processes waveform signals through the annular distributor.

Furthermore, a power supply voltage control component is arranged on one side of the annular distributor, an inverter is arranged on one side of the temperature sensor, and a converter is arranged on one side of the inverter.

By adopting the technical scheme, the whole operation of the circuit can be ensured to be stable, and the current and the voltage in the power supply voltage control component stabilizing device are controlled to protect the circuit, the converter converts the input power supply voltage into the direct current voltage and then outputs the direct current voltage to the direct current link, and the inverter converts the direct current voltage in the direct current link into the alternating current voltage for driving the motor and then outputs the alternating current voltage.

Further, the ring distributor, the power supply voltage control part, the inverter, and the converter are all welded to the circuit board.

By adopting the technical scheme, a circuit loop is formed and the operation of the device is controlled.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

1. in order to solve the problems that the existing motor driving device is small in size, the space between components is tightly installed, higher temperature is easily generated during working, the heat dissipation effect is poor, the working efficiency of the device is influenced, the device can be damaged when serious, and potential safety hazards exist, the heat dissipation effect of the device can be increased by arranging the heat dissipation groove, the small-sized heat dissipation fins and the temperature sensor, the working temperature of a circuit board and the components is ensured to be normal, the working efficiency is improved, meanwhile, the temperature generated during working of the device can be monitored in real time, feedback is carried out, the potential safety hazards are reduced, and the use safety is improved;

2. for solving the radiating groove among the current motor drive device and being in open state, make the dust get into easily, influence the performance of inside components and parts, and lack buffer stop, the problem that the practicality is low, the utility model discloses a set up dust screen, protection and fill up, can effectively prevent inside the dust gets into the casing through the radiating groove, guarantee that inside electronic components is clean, increase radiating effect and working property, can avoid bumping in the installation simultaneously, the practicality is good.

Drawings

Fig. 1 is a schematic structural view of a motor driving device according to the present invention;

fig. 2 is a schematic main sectional view of a motor driving device according to the present invention;

fig. 3 is a right side view of a motor drive device according to the present invention.

The reference numerals are explained below:

1. a fixing hole; 2. a housing; 3. a heat sink; 4. a dust screen; 5. a connection terminal; 6. a terminal groove; 7. a set screw; 8. a converter; 9. an inverter; 10. a circuit board; 11. a controller; 12. a temperature sensor; 13. a small heat sink; 14. a power supply voltage control section; 15. an annular distributor; 16. and (7) a rubber pad.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1-3, the motor driving device in this embodiment includes a housing 2, a circuit board 10 and small heat sinks 13, the circuit board 10 is connected to the middle portion of the housing 2 through bolts, a temperature sensor 12 is welded on the circuit board 10, the small heat sinks 13 are connected to both sides of the circuit board 10 through screws, heat sinks 3 are formed on both sides of the housing 2, a dust screen 4 is connected to one side of the housing 2 close to the heat sink 3 through a slot, rubber pads 16 are bonded to both sides of the housing 2, the housing 2 provides a stable support, the circuit connection is provided to the device through the circuit board 10, so that the driving device can operate to drive the motor, the model of the temperature sensor 12 is CAT-RTD0003, which can detect the temperature generated by the circuit board 10 during operation and feed back in time, the small heat sinks 13 have the same principle as, guarantee the circulation of gas in the casing 2 through radiating groove 3, ensure that circuit board 10 and electronic component operating temperature are normal, reduce the potential safety hazard, can effectively prevent the dust to get into through radiating groove 3 through dust screen 4, guarantee that inside electronic components is clean, can increase the radiating effect, protect casing 2 through rubber pad 16, avoid bumping in the installation, increase the practicality, connecting terminal 5 electrically connects with circuit board 10, the welding of circuit board 10 middle part has controller 11, controller 11 one side is provided with annular distributor 15, controller 11 model is the L298 chip, can effectively receive pulse signal, and controlling means moves, handle waveform signal through annular distributor 15.

As shown in fig. 1 and 3, in this embodiment, fixing holes 1 are formed at the upper and lower ends of a housing 2, a connecting terminal 5 is inserted into one side of the housing 2 adjacent to a heat dissipation groove 3, a terminal groove 6 is formed at one side of the connecting terminal 5, a fixing screw 7 is connected to one side of the connecting terminal 5 adjacent to the terminal groove 6 through a thread, the device can be fixed through the fixing holes 1, a motor and an external control circuit are connected through the connecting terminal 5, and an electric wire inserted into the terminal groove 6 is locked and fixed through the fixing screw 7, so that stable connection is ensured.

As shown in fig. 2, in this embodiment, a power supply voltage control unit 14 is disposed on one side of the ring distributor 15, an inverter 9 is disposed on one side of the temperature sensor 12, and a converter 8 is disposed on one side of the inverter 9, so that the overall operation of the circuit can be ensured to be stable, the current and voltage in the device can be stabilized by the power supply voltage control unit 14, so as to protect the circuit, the input power supply voltage is converted into a dc voltage by the converter 8 and then output to a dc link, the dc voltage in the dc link is converted into an ac voltage for driving the motor by the inverter 9 and then output, the ring distributor 15, the power supply voltage control unit 14, the inverter 9, and the converter 8 are all welded to a circuit board 10 to form a circuit loop.

The specific implementation process of this embodiment is as follows: when the device is used, the device is fixedly installed through the fixing hole 1, then the motor and an external control circuit are connected through the connecting terminal 5, an electric wire inserted in the terminal groove 6 is locked and fixed through the fixing screw 7 to ensure stable connection, a pulse signal is received through the controller 11, a waveform signal is processed through the annular distributor 15, the control device operates to further drive the motor to operate, the current and voltage in the device are stabilized through the power supply voltage control part 14 to protect the circuit, the input power supply voltage is converted into direct current voltage through the converter 8 and then output to the direct current link, the direct current voltage in the direct current link is converted into alternating current voltage for driving the motor through the inverter 9 and then output, when the device works, the circulation of gas in the shell 2 is ensured through the radiating groove 3, and the radiating effect is increased through the small radiating fins 13, ensure that circuit board 10 and electronic component operating temperature are normal, detect the temperature that circuit board 10 during operation produced through temperature sensor 12 real-time detection to in time make the feedback, reduce the potential safety hazard, can effectively prevent the dust to pass through radiating groove 3 entering through dust screen 4 in addition, guarantee that inside electronic components is clean, can increase the radiating effect, protect casing 2 through rubber pad 16, avoid bumping in the installation, the practicality is good.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.

Claims

1. A motor drive device characterized in that: including casing (2), circuit board (10) and small-size fin (13), there is middle part through bolted connection in casing (2) circuit board (10), the welding has temperature sensor (12) on circuit board (10), there is small-size fin (13) circuit board (10) both sides through the screw connection, casing (2) both sides shaping has radiating groove (3).

2. A motor drive device according to claim 1, wherein: one side of the shell (2) close to the heat dissipation groove (3) is connected with a dust screen (4) through a clamping groove, and rubber pads (16) are bonded to the upper side and the lower side of the shell (2).

3. A motor drive device according to claim 1, wherein: the improved heat dissipation device is characterized in that fixing holes (1) are formed in the upper end and the lower end of the shell (2), a connecting terminal (5) is connected to one side, adjacent to the heat dissipation groove (3), of the shell (2) in an inserting mode, a terminal groove (6) is formed in one side of the connecting terminal (5), and one side, adjacent to the terminal groove (6), of the connecting terminal (5) is connected with a fixing screw (7) through threads.

4. A motor drive device according to claim 3, wherein: the connecting terminal (5) is electrically connected with the circuit board (10), the controller (11) is welded in the middle of the circuit board (10), and the annular distributor (15) is arranged on one side of the controller (11).

5. A motor drive device according to claim 4, wherein: the annular distributor (15) one side is provided with mains voltage control unit (14), temperature sensor (12) one side is provided with inverter (9), inverter (9) one side is provided with converter (8).

6. A motor drive device according to claim 5, wherein: the ring distributor (15), the power supply voltage control part (14), the inverter (9), and the converter (8) are all soldered to the circuit board (10).