Direct-drive electric control device suitable for textile machine

Abstract

The utility model discloses a direct-drive electric control device suitable for a textile machine, which comprises a control switch button arranged on the surface of a motor controller, a brake resistor arranged at the center of the surface of the front end of the motor controller, a textile motor arranged on the left of the motor controller, a direct-drive motor arranged at the front end of the textile motor, and a direct-drive motor arranged at the rear end of the direct-drive motor. A fixing disc is fixedly installed at the rear end of the direct drive motor body, a multi-angle installation mechanism is arranged behind the fixing disc, and the multi-angle installation mechanism can be suitable for different textile motors through the fixing disc. According to the direct-drive electric control device suitable for the textile machine, a novel structural design is applied, the textile permanent magnet synchronous motor and the motor controller are adopted, stepless speed regulation of the motor controller and installation of a direct-drive motor body replace a belt pulley and an asynchronous motor, energy consumption is reduced, and transmission efficiency is improved; electric braking of the motor controller replaces mechanical braking, mechanical loss is reduced, and maintenance is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of textile machine power structure installation, in particular to a direct-drive electric control device suitable for textile machines. Background Art

[0002] With the implementation of the country's dual-carbon policy, energy-saving transformation of traditional industries has been put on the agenda, especially in traditional manufacturing industries with high energy consumption and a large base. At present, the powertrain of traditional textile machinery is mainly composed of asynchronous motors, pulleys and mechanical brakes. The device is inefficient, consumes a lot of energy, and has high maintenance costs in the later stage.

[0003] For example, an electric drive device of a steering system with publication number CN202321100687.7 includes a motor housing and a controller mounting base arranged on one side of the rear end of the motor housing, a connector assembly is arranged on one side of the controller mounting base and an insert assembly is arranged on the other side, a circuit board assembly is arranged on the outer side of the insert assembly, the circuit board assembly includes a control circuit and a drive circuit connected to the control circuit, the output end of the drive circuit is connected to the motor phase line in the controller mounting base installed at the rear end of the motor; the connector assembly includes a power connector and a signal connector, the power connector is connected to the drive circuit through the insert assembly; the signal connector is connected to the control circuit through the insert assembly. The connector assembly, the insert assembly and the circuit board assembly are stacked in the controller mounting base to save space; the circuit board assembly is partitioned, the small current control circuit is away from the motor, and the large current drive circuit is close to the motor, which reduces the electromagnetic interference of the large current circuit on the control circuit;

[0004] The above-mentioned electric drive device of the steering system is stacked in the controller mounting base by a connector assembly, an insert assembly and a circuit board assembly, which can reduce the electromagnetic interference of the high-current circuit to the control circuit. However, when using the device, the device needs to be installed. When used on different textile machines, the installation requirements are also different, which is not conducive to adaptation to different models of textile machines. Utility Model Content

[0005] The purpose of the utility model is to provide a direct-drive electric control device suitable for a textile machine, so as to solve the problem of being unfavorable for adapting to textile machines of different models proposed in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a direct-drive electric control device suitable for a textile machine, comprising a motor controller having a control switch button disposed on the surface thereof, a brake resistor disposed at the center of the front end surface of the motor controller, a textile motor disposed on the left side of the motor controller, and a direct-drive motor body disposed at the front end of the textile motor;

[0007] A fixing plate is fixedly mounted on the rear end of the direct drive motor body, and a multi-angle mounting mechanism is arranged behind the fixing plate. The multi-angle mounting mechanism can be applied to different textile motors through the fixing plate.

[0008] Furthermore, the control switch button is connected to the brake resistor via a cable, and the brake resistor is located below the control switch button.

[0009] Furthermore, a connection hole is provided on the surface of the direct drive motor body, and the connection hole is connected to the brake resistor through a connecting wire.

[0010] Furthermore, the multi-angle mounting mechanism is provided with a main fixing screw hole, and the main fixing screw hole is fixedly mounted on the outside of the fixing plate, and a mounting compartment is opened inside the fixing plate.

[0011] Furthermore, the main fixing screw holes are fixed to the textile motor by bolts, and the number of the main fixing screw holes is four.

[0012] Furthermore, an adjusting fixing screw hole is fixedly installed at the lower right end of the main fixing screw hole, and the adjusting fixing screw hole is arranged on the side of the main fixing screw hole.

[0013] Furthermore, a driving rod is rotatably installed inside the textile motor, and the driving rod is fixedly installed with the direct drive motor body through a mounting compartment.

[0014] Furthermore, the control method of the textile motor (6) is as follows: The control method of the textile motor (6) is as follows: the insulated gate bipolar transistor (IGBT) parallel diode is used, and the insulated gate bipolar transistor can be used as an analog circuit, and the continuous change of the output current is adjusted by controlling the size of the base current, thereby controlling the motor, and the 6 IGBT parallel diodes of the three-phase power output mainly control the speed and the IGBT parallel diode that receives the brake signal controls the entire circuit so as to slow down when braking is required.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. It is composed of textile permanent magnet synchronous motor and motor controller. The motor controller has stepless speed regulation and direct drive motor body installation replaces pulley and asynchronous motor, which reduces energy consumption and increases transmission efficiency. The textile motor controller electric brake replaces mechanical brake to reduce mechanical loss and maintenance-free.

[0017] Furthermore, the multi-angle mounting mechanism is a fixing plate, which is provided with four main fixing screw holes, fixed to the textile motor by bolts, and further provided with an adjustment fixing screw hole, which is located on the side of one main fixing screw hole, and can be adapted to textile motors of different models, thereby increasing the use range of the device and being better selected by users;

[0018] Furthermore, by setting four bolts and main fixing screw holes, the device can be firmly fixed on different textile motors, the device is not easy to shake and loosen, and can be firmly fixed, so that the stability of the device is improved and the device is prevented from falling off;

[0019] 2. Through the arrangement of the mounting chamber inside the fixed plate, the driving rod can be fixed inside the mounting chamber and fixedly mounted with the output end of the direct-drive motor body. The direct-drive motor body can stably drive the driving rod to rotate, thereby improving the driving stability of the device. At the same time, the surface of the driving rod can be embedded with the conveyor belt, thereby improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the three-dimensional structure of the direct-drive motor body of the utility model;

[0022] Figure 3 This is a schematic diagram of the side view of the direct drive motor body of the utility model;

[0023] Figure 4 This is a schematic diagram of the structure of the direct-drive motor body of the utility model when viewed from above;

[0024] Figure 5 This is a rear view structural diagram of the direct drive motor body of the utility model;

[0025] Figure 6 This is a schematic diagram of the cross-sectional structure of the direct-drive motor body connection side of the utility model;

[0026] Figure 7 This is a circuit diagram of a textile motor controller of the utility model.

[0027] In the figure: 1. Motor controller; 2. Control switch button; 3. Braking resistor; 4. Connecting wires; 5. Direct drive motor body; 6. Textile motor; 7. Fixing plate; 8. Main fixing screw hole; 9. Bolt; 10. Driving rod; 11. Connecting hole; 12. Adjusting fixing screw hole; 13. Installation compartment. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] Embodiment 1:

[0030] like Figure 1 , Figure 2 and Figure 6 The technical solution shown, in order to solve the problems of low efficiency, high energy consumption and high maintenance cost of traditional devices, discloses: a control switch button 2 is arranged on the surface of the motor controller 1, a brake resistor 3 is arranged at the center of the front surface of the motor controller 1, a textile motor 6 is arranged on the left side of the motor controller 1, and a direct drive motor body 5 is arranged at the front end of the textile motor 6, the control switch button 2 is connected to the brake resistor 3 through a cable, and the brake resistor 3 is located below the control switch button 2, and a connection hole 11 is opened on the surface of the direct drive motor body 5, and the connection hole 11 is connected to the brake resistor 3 through a connecting wire 4;

[0031] In this example, when the direct-drive electric control device is used, the direct-drive motor body 5 is installed on the textile motor 6, and the drive rod 10 inside the textile motor 6 is embedded in the direct-drive motor body 5. At this time, it is started by the control switch button 2 on the surface of the motor controller 1. The control switch button 2 is connected to the brake resistor 3 through a cable. At this time, the brake resistor 3 is connected to the connection hole 11 opened on the surface of the direct-drive motor body 5 through the connecting wire 4. The signal is given to the direct-drive motor body 5 through the connecting wire 4 and the connecting hole 11. The direct-drive motor body 5 is started by controlling the signal to drive the drive rod 10 inside the textile motor 6 to rotate, so that the direct-drive motor body 5 can directly drive the drive rod 10 to rotate. The textile permanent magnet synchronous motor and the motor controller 1 are used. The motor controller 1 has stepless speed regulation and the direct-drive motor body 5 is installed to replace the pulley and the asynchronous motor, which reduces energy consumption and increases transmission efficiency. The electric brake of the motor controller 1 replaces the mechanical brake to reduce mechanical loss and is maintenance-free. Example

[0032] like Figure 1-Figure 6 The technical solution shown, in order to solve the problem of a relatively narrow application range of the device, discloses a multi-angle mounting mechanism that can adapt to the installation of different textile motors 6: a fixing plate 7 is fixedly mounted on the rear end of the direct-drive motor body 5, and a multi-angle mounting mechanism is arranged behind the fixing plate 7, and the multi-angle mounting mechanism can be adapted to different textile motors 6 through the fixing plate 7, the multi-angle mounting mechanism is provided with a main fixing screw hole 8, and the main fixing screw hole 8 is fixedly mounted on the outside of the fixing plate 7, and a mounting chamber 13 is provided inside the fixing plate 7, the main fixing screw hole 8 is fixedly mounted to the textile motor 6 through a bolt 9, and the number of the main fixing screw holes 8 is four, an adjustment fixing screw hole 12 is fixedly mounted on the lower right end of the main fixing screw hole 8, and the adjustment fixing screw hole 12 is arranged on the side of the main fixing screw hole 8, a driving rod 10 is rotatably mounted inside the textile motor 6, and the driving rod 10 is fixedly mounted to the direct-drive motor body 5 through the mounting chamber 13;

[0033] In this example, when the direct-drive motor body 5 is installed, it is installed through the fixing plate 7 set at its rear end. A main fixing screw hole 8 is set on the outer side of the fixing plate 7. The textile motor 6 is fixed to the fixing plate 7 through the bolts 9 and the main fixing screw holes 8. An adjustment fixing screw hole 12 is also provided, which is located on the side of a main fixing screw hole 8, and can adapt to different types of textile motors 6, thereby improving the use range of the device and being better selected by users. Through the arrangement of four bolts 9 and the main fixing screw holes 8, the device can be firmly fixed on different textile motors 6. The arrangement of the mounting bin 13 inside the fixing plate 7 enables the driving rod 10 to be fixed inside the mounting bin 13 and fixedly installed with the output end of the direct-drive motor body 5. The direct-drive motor body 5 can stably drive the driving rod 10 to rotate, thereby improving the driving stability of the device. At the same time, the surface of the driving rod 10 can be embedded with a conveyor belt, thereby improving the practicality of the device. Example

[0034] like Figure 7 The technical solution shown, in order to solve the problem of high transmission efficiency and high energy consumption, discloses: accurately calculating the torque and speed required for the operation of the textile machine through the vector control algorithm of the textile motor controller, replacing the mechanical brake with the electric brake circuit design and brake resistor of the textile motor controller, directly connecting the machine shaft with a direct drive motor to replace the belt transmission energy and mechanical loss, and replacing the low-efficiency asynchronous motor with a high-efficiency permanent magnet synchronous motor;

[0035] Figure 7 The circuit diagram of the motor controller is:

[0036] Application of parallel diodes in insulated gate bipolar transistors (IGBTs);

[0037] Insulated gate bipolar transistors can be used as analog circuits to adjust the continuous change of output current by controlling the size of the base current, thereby controlling the motor;

[0038] The six IGBT parallel diodes of the three-phase electrical output mainly control the speed;

[0039] The IGBT parallel diode that receives the brake signal controls the entire circuit to slow down when braking is needed.

[0040] The advantages of connecting an insulated gate bipolar transistor in parallel with a diode are as follows:

[0041] 1. High reliability: Insulated gate bipolar transistors have high reliability and stability and can work stably for a long time.

[0042] 2. Fast response speed: The insulated gate bipolar transistor has a fast response speed and can respond to input signals quickly.

[0043] 3. Good control performance: Insulated gate bipolar transistors can achieve precise control of the entire parallel circuit by controlling the base current.

[0044] The resolver signal refers to a rotary transformer, which is an electromagnetic sensor. It is mainly used to measure the angular position and angular velocity of the motor. It gives the motor status data to the controller, which processes it and combines it with external input data to finally output the required signal.

[0045] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A direct-drive electric control device suitable for a textile machine, comprising a motor controller (1) having a control switch button (2) arranged on its surface, a brake resistor (3) arranged at the center of the front end surface of the motor controller (1), a textile motor (6) arranged on the left side of the motor controller (1), and a direct-drive motor body (5) arranged at the front end of the textile motor (6); Features: A fixing plate (7) is fixedly mounted on the rear end of the direct drive motor body (5), and a multi-angle mounting mechanism is arranged behind the fixing plate (7), and the multi-angle mounting mechanism can be applied to different textile motors (6) through the fixing plate (7).

2. A direct drive electric control device suitable for a textile machine according to claim 1, characterized in that: The control switch button (2) is connected to the brake resistor (3) via a cable, and the brake resistor (3) is located below the control switch button (2).

3. A direct drive electric control device suitable for a textile machine according to claim 1, characterized in that: A connection hole (11) is provided on the surface of the direct drive motor body (5), and the connection hole (11) is connected to the brake resistor (3) via a connecting wire (4).

4. A direct drive electric control device suitable for a textile machine according to claim 1, characterized in that: The multi-angle mounting mechanism is provided with a main fixing screw hole (8), and the main fixing screw hole (8) is fixedly mounted on the outside of the fixing plate (7), and a mounting chamber (13) is provided inside the fixing plate (7).

5. A direct drive electric control device suitable for a textile machine according to claim 4, characterized in that: The main fixing screw holes (8) are fixedly mounted to the textile motor (6) via bolts (9), and the number of the main fixing screw holes (8) is four.

6. A direct drive electric control device suitable for a textile machine according to claim 5, characterized in that: An adjusting fixing screw hole (12) is fixedly mounted on the lower right end of the main fixing screw hole (8), and the adjusting fixing screw hole (12) is arranged on the side of the main fixing screw hole (8).

7. A direct drive electric control device suitable for a textile machine according to claim 5, characterized in that: A driving rod (10) is rotatably mounted inside the textile motor (6), and the driving rod (10) is fixedly mounted on the direct-drive motor body (5) via a mounting compartment (13).

Images