CN212850335U - Power factor improving device for improving permanent magnet synchronous motor driver - Google Patents

Abstract

The utility model discloses a power factor improvement device for improving PMSM driver, the mounting panel comprises a mounting panel, mounting panel upper end fixedly connected with driver casing, driver casing upper end is rotated through rotating the hinge and is connected with the lid, go up the fixed fin that is provided with in lid upper end, two unable adjustment bases of bottom fixedly connected with in the driver casing, the fixed control panel that is provided with in two unable adjustment bases upper end, the fixed control module that is provided with in control panel up end one side. The utility model discloses a power improving device for improving PMSM driver power, this power improving device, the installation is dismantled simply, and stable in structure can change by a relatively large margin and improve PMSM's operating power, can also carry out the efficient heat dissipation, creates good operating condition for the high power operation, is worth promoting.

Description

Power factor improving device for improving permanent magnet synchronous motor driver

Technical Field

The utility model relates to a motor drive technical field especially relates to a power factor improves device for improving PMSM driver.

Background

The motor driver is a controller for controlling a servo motor, has the action similar to that of a frequency converter on a common alternating current motor, belongs to a part of a servo system, is mainly applied to a high-precision positioning system, generally controls the servo motor through three modes of position, speed and moment, realizes the positioning of a high-precision transmission system, and is a high-end product of the transmission technology at present.

The permanent magnet synchronous motor has the advantages of simple structure, small volume, light weight, small loss, high efficiency, high power factor and the like, is mainly used for replacing motors for high-performance servo transmission systems and direct current motors which require quick response, wide speed regulation range and accurate positioning, and the driver can generate corresponding digital control, so that the driving motors operate according to specified instructions, the controller generally comprises a control part welded with a processor and an integrated circuit, and a power supply and a driving part containing a power switch device, the controller and the permanent magnet synchronous motor are integrally designed, the size of the driver is favorably reduced, wiring is convenient, a connecting cable is shortened, the design of a driving device is more compact, and the cost of a shell is further reduced.

Current motor drive, structural design is complicated, circuit board inspection and dismantlement are comparatively numerous and diverse, it is inconvenient to test and maintain it, produce a large amount of heats when using for a long time, and the heat dissipation mechanism of installation is difficult to dismantle the clearance on the motor drive, long-time use is piled up the dust, it is poor to lead to the radiating effect, and install the wiring mouth on the motor drive among the prior art and meet with the wire, the junction is simple connection only, connect the unstability, lead to the wire to drop the scheduling problem easily, the driver is also inconvenient to the regulation of power, unable great change motor operating power, thereby strengthen the output of motor power.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcomings existing in the prior art, and providing a power improving device for improving the power of a permanent magnet synchronous motor driver.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a power factor improving device for improving a permanent magnet synchronous motor driver comprises a mounting plate, wherein a driver shell is fixedly connected to the upper end of the mounting plate, an upper box cover is rotatably connected to the upper end of the driver shell through a rotating hinge, a radiating fin is fixedly arranged at the upper end of the upper box cover, two fixing bases are fixedly connected to the bottom in the driver shell, a control panel is fixedly arranged at the upper ends of the two fixing bases, a control module is fixedly arranged on one side of the upper end face of the control panel, a voltage sensor, a current sensor and a grating ruler are fixedly arranged at one end, away from the control module, of the upper end face of the control panel, a plurality of mounting bolts are fixedly connected around the upper end of the control panel, a drive plate is fixedly connected to the upper ends of the mounting bolts, and a power device and a power resistor are fixedly arranged at one end of the upper end face of the driving plate, which is far away from the switching power supply module.

As a further description of the above technical solution:

the mounting panel four corners department is all fixed set up threaded hole, four threaded hole insides are all fixed and are provided with fastening bolt.

As a further description of the above technical solution:

the upper part of the side wall of one end, far away from the rotating hinge, of the driver shell is fixedly provided with two locking devices, and the upper box cover is fixedly connected with the driver shell through the locking devices.

As a further description of the above technical solution:

a plurality of radiating grooves are fixedly formed in the side wall of the upper box cover.

As a further description of the above technical solution:

the lower end of the front end face of the driver shell is fixedly provided with a plurality of wiring ports.

As a further description of the above technical solution:

two ventilation fans are fixedly arranged at the upper end of the front end face of the driver shell, and dust covers are fixedly arranged on the outer sides of the two ventilation fans.

The utility model discloses following beneficial effect has:

the utility model provides a power factor improving device for improving PMSM driver, power drive module through setting up, at first carry out the rectification through three-phase full-bridge rectifier circuit to the three-phase electricity or the commercial power of input, obtain corresponding direct current, through three-phase electricity or commercial power that the rectification is good, rethread three-phase sinusoidal PWM voltage type dc-to-ac converter frequency conversion drives three-phase permanent magnetism formula synchronous AC servo motor, the contravariant part adopts power device collection drive circuit, protection circuit and power switch intelligent power module in an organic whole, change the size that inverter output voltage side value was changed in order to reach the purpose of adjusting and improving PMSM operating power through changing pulse width, the range of change is big, the effect of raising power is obvious.

The utility model provides a power factor improvement device for improving PMSM driver still carries out the efficient heat dissipation to the driver through setting up ventilation fan, radiating groove and heating panel to effectively prevent that the high-efficient during operation temperature of driver is too high to cause internal damage and damage, also create good operating condition for the high power operation.

The power improving device is simple to mount and dismount, stable in structure, capable of greatly changing and improving the running power of the permanent magnet synchronous motor, capable of efficiently dissipating heat, capable of creating good running conditions for high-power running and worthy of popularization.

Drawings

Fig. 1 is a front view of a power factor improving apparatus for improving a driver of a permanent magnet synchronous motor according to the present invention;

fig. 2 is a front sectional view of a power factor improving apparatus for improving a driver of a permanent magnet synchronous motor according to the present invention;

fig. 3 is an enlarged view of fig. 2-a according to the present invention.

Illustration of the drawings:

1. mounting a plate; 2. a driver housing; 3. a locking device; 4. an upper box cover; 5. a heat sink; 6. a dust cover; 7. a ventilation fan; 8. rotating the hinge; 9. a wiring port; 10. a fixed base; 11. a control panel; 12. a drive plate; 13. a heat sink; 14. a switching power supply module; 15. a power device; 16. a power resistor; 17. installing a bolt; 18. a control module; 19. a voltage sensor; 20. a current sensor; 21. a grating scale; 22. a threaded hole; 23. and fastening the bolt.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a power factor improving device for improving a permanent magnet synchronous motor driver comprises a mounting plate 1, wherein a driver shell 2 is fixedly connected to the upper end of the mounting plate 1, an upper box cover 4 is rotatably connected to the upper end of the driver shell 2 through a rotating hinge 8, a radiating fin 13 is fixedly arranged at the upper end of the upper box cover 4, two fixing bases 10 are fixedly connected to the bottom in the driver shell 2, a control plate 11 is fixedly arranged at the upper ends of the two fixing bases 10, a control module 18 is fixedly arranged at one side of the upper end face of the control plate 11, a voltage sensor 19, a current sensor 20 and a grating ruler 21 are fixedly arranged at one end, far away from the control module 18, of the upper end face of the control plate 11, a plurality of mounting bolts 17 are fixedly connected around the upper end face of the control plate 11, a driving plate 12 is fixedly connected to the upper ends of the, and a power device 15 and a power resistor 16 are fixedly arranged at one end of the upper end face of the driving plate 12 far away from the switching power supply module 14.

All fixed threaded hole 22 of having seted up in 1 four corners department of mounting panel, four threaded hole 22 are inside all fixed fastening bolt 23 that is provided with, the fixed two locking device 3 that are provided with in one end lateral wall upper portion that rotates hinge 8 are kept away from to driver casing 2, go up lid 4 and pass through locking device 3 and driver casing 2 fixed connection, go up lid 4 lateral wall and fix and seted up a plurality of radiating grooves 5, the fixed a plurality of wiring mouths 9 that are provided with of terminal surface lower extreme before driver casing 2, the fixed two ventilation fans 7 that are provided with in terminal surface upper end before driver casing 2, 7 outsides of two ventilation fans are all fixed and are provided.

The working principle is as follows: when the power improving device is used, the driver shell 2 is arranged on the permanent magnet synchronous motor through the fastening bolts 23 in the threaded holes 22 on the periphery of the mounting plate 1, then the upper box cover 4 is locked at the upper end of the driver shell 2 through the locking device 3, the switch power supply module 14 on the driving plate 12 provides digital and analog power for the whole system, the power device 15 and the power resistor 16 change the magnitude of the output voltage secondary value of the inverter through changing the pulse width so as to achieve the purpose of adjusting and improving the running power of the permanent magnet synchronous motor, the change range is large, the effect of improving the power is obvious, the control module 18 controls the whole device, so that each function of the device can be realized, the feedback detection devices such as the voltage sensor 19, the current sensor 20, the grating ruler 21 and the like are used for detecting the voltage, the current and the real-time position of the, the power improving device is simple to mount and dismount, stable in structure, capable of greatly changing and improving the operating power of the permanent magnet synchronous motor, capable of efficiently radiating and creating good operating conditions for high-power operation.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (6)

1. A power factor improving device for improving a permanent magnet synchronous motor driver, comprising a mounting plate (1), characterized in that: the mounting plate is characterized in that a driver shell (2) is fixedly connected to the upper end of the mounting plate (1), an upper box cover (4) is rotatably connected to the upper end of the driver shell (2) through a rotating hinge (8), radiating fins (13) are fixedly arranged on the upper end of the upper box cover (4), two fixing bases (10) are fixedly connected to the bottom of the driver shell (2), a control plate (11) is fixedly arranged on the upper ends of the two fixing bases (10), a control module (18) is fixedly arranged on one side of the upper end face of the control plate (11), one end, far away from the control module (18), of the upper end face of the control plate (11) is fixedly provided with a voltage sensor (19), a current sensor (20) and a grating ruler (21), a plurality of mounting bolts (17) are fixedly connected to the periphery of the upper end of the control plate, the switch power supply module (14) is fixedly arranged at one end, far away from the control module (18), of the upper end face of the driving plate (12), and the power device (15) and the power resistor (16) are fixedly arranged at one end, far away from the switch power supply module (14), of the upper end face of the driving plate (12).

2. A power factor improving apparatus for improving a driver of a permanent magnet synchronous motor according to claim 1, wherein: the mounting panel (1) four corners department is all fixed set up threaded hole (22), four inside fixed fastening bolts (23) that are provided with of threaded hole (22).

3. A power factor improving apparatus for improving a driver of a permanent magnet synchronous motor according to claim 1, wherein: the upper portion of the side wall of one end, far away from the rotating hinge (8), of the driver shell (2) is fixedly provided with two locking devices (3), and the upper box cover (4) is fixedly connected with the driver shell (2) through the locking devices (3).

4. A power factor improving apparatus for improving a driver of a permanent magnet synchronous motor according to claim 1, wherein: the side wall of the upper box cover (4) is fixedly provided with a plurality of radiating grooves (5).

5. A power factor improving apparatus for improving a driver of a permanent magnet synchronous motor according to claim 1, wherein: the lower end of the front end face of the driver shell (2) is fixedly provided with a plurality of wiring ports (9).

6. A power factor improving apparatus for improving a driver of a permanent magnet synchronous motor according to claim 1, wherein: the upper end of the front end face of the driver shell (2) is fixedly provided with two ventilation fans (7), and the outer sides of the two ventilation fans (7) are fixedly provided with dust covers (6).

Images