Spin dryer control system

Abstract

The utility model relates to the technical field of a drying machine control system, in particular to a drying machine control system, which comprises a text programmable logic controller (PLC) all-in-one machine, an aviation connector row group 1-1, an aviation connector row group 1-2, an aviation connector row group 2, a main live wire L, a main null line N, a switching circuit, a control circuit, an operation circuit, a rotating speed control circuit and a heating circuit, the switch power supply is a 24V power supply, and the switch power supply is electrically connected with the main live wire L and the main null line N. When the switch is used specifically, under the standby condition, the X003 door interlocking switch is closed when a door is closed, the X004 door interlocking switch is closed under nitrogen pressure, a start button is pressed down, a contact of the X006 is closed, a normally open contact M10 is self-locked, and equipment is started; and the door is sealed, the motor rotor positioning is relieved, and first-step spraying is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of a dryer control system, in particular to a dryer control system. Background Art

[0002] The existing dryer control systems generally have low automation levels and require repeated manual adjustments. They cannot perform operations such as self-locking operation, seal detection, and automatic spraying, blowing, and drying. The labor cost is high and the automation level is low. Moreover, if manual adjustment is not timely, problems such as untimely and poor drying adjustment and starting the equipment operation without sealing are likely to occur.

[0003] In summary, how to develop a dryer control system with a high automation level that does not require repeated manual adjustments and can perform operations such as self-locking operation, seal detection, and automatic spraying, blowing, and drying has become a problem to be solved currently. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a dryer control system to solve the above problems.

[0005] To achieve the above object, the following technical solutions are provided:

[0006] A dryer control system includes: a text PLC integrated machine, an aviation connector row group 1-1, an aviation connector row group 1-2, an aviation connector row group 2, a main live wire L, a main neutral wire N, a switch circuit, a control circuit, an operation circuit, a speed control circuit, and a heating circuit. The switch circuit includes a switching power supply, which is a 24V power supply. The switching power supply is electrically connected to the main live wire L and the main neutral wire N. The GND terminal of the switching power supply is grounded, and its 0V output terminal and 24V output terminal are respectively connected to the 0V input terminal and 24V input terminal of the text PLC integrated machine. The switch circuit further includes an alarm. The 24V output terminal of the switching power supply is also connected to the 12 port of the aviation connector row group 1-2 and then connected to the power input terminal of the alarm. The power output terminal of the alarm is connected to the Y12 port of the text PLC integrated machine. The control circuit is electrically connected to the input side of the text PLC integrated machine through the aviation connector row group 1-1. The operation circuit, the speed control circuit, and the heating circuit are electrically connected to the output side of the text PLC integrated machine for controlling the operation of the drying system.

[0007] Preferably, the control circuit includes a door interlock switch, an N2 pressure sensor, a hot gas pressure sensor, a start button, and a stop button. After the first ends of the door interlock switch, the N2 pressure sensor, the hot gas pressure sensor, the start button, and the stop button are electrically connected to the 5th port, 6th port, 7th port, 8th port, and 9th port of the aviation connector row group 1-1 respectively, they are connected to the X03 port, X04 port, X05 port, X06 port, and X07 port of the text PLC all-in-one machine, and the second ends are all connected to the COM port of the text PLC all-in-one machine.

[0008] Preferably, the operation circuit includes a door sealing device, a cylinder positioning device, a purging device, a spraying device, a blowing device, and a cylinder. After the first ends of the door sealing device, the cylinder positioning device, the purging device, the spraying device, the blowing device, and the cylinder are electrically connected to the 10th port, 11th port, 13th port, 14th port, 15th port, and 16th port of the aviation connector row group 1-2 respectively, they are connected to the Y03 port, Y04 port, Y05 port, Y06 port, Y10 port, and Y11 port of the text PLC all-in-one machine, and the second ends are all connected to the 24V output terminal of the switching power supply.

[0009] Preferably, the speed control circuit includes a speed board, a potentiometer R1, a potentiometer R2, an aviation plug 2-1, an aviation plug 2-2, and a relay K1-8. The A+ terminal and A- terminal of the speed board are respectively connected to the 1st port and 2nd port of the aviation connector row group 2. The L terminal and N terminal of the speed board are respectively connected to the relay K1-8 and the main neutral line N. The potentiometer R1 and the potentiometer R2 are connected in parallel. The P1 terminal of the speed board is connected to the first ends of the potentiometer R1 and the potentiometer R2. The P3 terminal of the speed board is connected to the second ends of the potentiometer R1 and the potentiometer R2. The P2 terminal of the speed board is connected to the C0 port and C1 port of the text PLC all-in-one machine. The adjustment terminals of the potentiometer R1 and the potentiometer R2 are respectively connected to the Y00 port and Y01 port of the text PLC all-in-one machine.

[0010] Preferably, the heating circuit includes a heating rod, a thermal switch, and a heating rod relay K2-8. The 12th ports of the relay K1-8 and the heating rod relay K2-8 are both connected to the main live wire L. The 13th ports are both connected to the 24V output terminal of the switching power supply. The 14th ports are respectively connected to the Y02 port and Y07 port of the text PLC all-in-one machine. The 8th port of the relay K1-8 is connected to the L terminal of the speed board. The 8th port of the heating rod relay K2-8 is connected to the thermal switch and the heating rod through the 4th port of the aviation connector row group 2, and is connected to the main neutral line N through the 3rd port of the aviation connector row group 2. The speed control circuit further includes a motor. The A+ terminal of the speed board is connected to the 1st port of the aviation connector row group 2 and then connected to the motor, and is connected to the A- terminal of the speed board through the 2nd port of the aviation connector row group 2.

[0011] Preferably, the control circuit further includes a relay coil and a diode. The first end of the diode is connected to port 4 of the aviation connector row group 1-1 and conducts to it, and then is connected to the 0V terminal of the text PLC all-in-one machine. The first end of the relay coil is connected to port 1 of the aviation connector row group 1-1 and then is connected to the X00 terminal of the text PLC all-in-one machine. The second ends of the relay coil and the diode are connected to port 12 of the aviation connector row group 1-1 and then are connected to the 24V output terminal of the switching power supply.

[0012] The beneficial effects of the present utility model are as follows:

[0013] 1. When the present utility model is specifically used, in the standby state, the X003 door interlock switch is closed when the door is closed, the X004 nitrogen pressure is closed, the start button X006 contact is closed, the normally open point M10 is self-locked, and the equipment starts; the door is sealed, the motor rotor positioning is released, the first step of spraying is realized, and the motor rotates at 800 revolutions per minute; when the spraying time T1 timing is completed and the resistivity meets the standard, X011 is closed, the spraying ends, the normally open point M31 is closed, and the equipment proceeds to the second step. The purpose of this step is to blow air into the spraying water pipe to blow out the remaining water, PURGE, and the rotation speed remains 800 revolutions per minute; when the third step of fast spinning time T3 timing is completed, the equipment enters the fourth step of slow spinning, and the motor speed drops to 800 revolutions per minute; heating and blowing are maintained; the rotation speed is controlled by the potentiometer R1 and the potentiometer R2; when the T4 timing is completed, the program operation ends, and it is completed Description of the Drawings

[0014] Figure 1 is the circuit of the present utility model Figure 1 ;

[0015] Figure 2 is the circuit of the present utility model Figure 2 ;

[0016] Figure 3 is the circuit of the present utility model Figure 3 ;

[0017] Figure 4 is the ladder diagram of the text PLC all-in-one machine Figure 1 ;

[0018] Figure 5 is the ladder diagram of the text PLC all-in-one machine Figure 2 ;

[0019] Figure 6 is the ladder diagram of the text PLC all-in-one machine Figure 3 ;

[0020] Figure 7 is the ladder diagram of the text PLC all-in-one machine Figure 4 ;

[0021] Figure 8 For the ladder diagram of the integrated text PLC Figure 5 。 Specific implementation manners

[0022] Next, in combination with the embodiments of the present utility model, the technical solutions in the structural schematic diagrams of the embodiments of the present utility model will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0023] As Figures 1-8 shown, a control system for a spin dryer includes: an integrated text PLC, an aviation connector row group 1-1, an aviation connector row group 1-2, an aviation connector row group 2, a main live wire L, a main neutral wire N, a switching circuit, a control circuit, an operation circuit, a speed control circuit, and a heating circuit. The switching circuit includes a switching power supply, which is a 24V power supply. The switching power supply is electrically connected to the main live wire L and the main neutral wire N. The GND terminal of the switching power supply is grounded, and its 0V output terminal and 24V output terminal are respectively connected to the 0V input terminal and 24V input terminal of the integrated text PLC. The switching circuit further includes an alarm. The 24V output terminal of the switching power supply is also connected to port 12 of the aviation connector row group 1-2 and then connected to the power input terminal of the alarm. The power output terminal of the alarm is connected to the Y12 port of the integrated text PLC. The control circuit is electrically connected to one side of the input terminal of the integrated text PLC through the aviation connector row group 1-1. The operation circuit, the speed control circuit, and the heating circuit are electrically connected to one side of the output terminal of the integrated text PLC and are used to control the operation of the spin drying system;

[0024] In some embodiments, the control circuit includes a door interlock switch, an N2 pressure sensor, a hot gas pressure sensor, a start button, and a stop button. The first ends of the door interlock switch, the N2 pressure sensor, the hot gas pressure sensor, the start button, and the stop button are respectively electrically connected to ports 5, 6, 7, 8, and 9 of the aviation connector row group 1-1 and then connected to the X03 port, X04 port, X05 port, X06 port, and X07 port of the integrated text PLC, and the second ends are all connected to the COM port of the integrated text PLC;

[0025] In some embodiments, the operation circuit includes a door sealing device, a cylinder positioning device, a purging device, a spraying device, a blowing device, and a cylinder. After the door sealing device, the cylinder positioning device, the purging device, the spraying device, the blowing device, and the first end of the cylinder are electrically connected to the 10th port, 11th port, 13th port, 14th port, 15th port, and 16th port of the aviation connector row group 1-2 respectively, they are connected to the Y03 port, Y04 port, Y05 port, Y06 port, Y10 port, and Y11 port of the text PLC all-in-one machine, and the second ends are all connected to the 24V output terminal of the switching power supply;

[0026] In some embodiments, the speed control circuit includes a speed board, a potentiometer R1, a potentiometer R2, an aviation plug 2-1, an aviation plug 2-2, and a relay K1-8. The A+ end and A- end of the speed board are respectively connected to the 1st port and 2nd port of the aviation connector row group 2. The L end and N end of the speed board are respectively connected to the relay K1-8 and the main neutral line N. The potentiometer R1 and the potentiometer R2 are connected in parallel. The P1 end of the speed board is connected to the first ends of the potentiometer R1 and the potentiometer R2. The P3 end of the speed board is connected to the second ends of the potentiometer R1 and the potentiometer R2. The P2 end of the speed board is connected to the C0 port and C1 port of the text PLC all-in-one machine. The adjustment ends of the potentiometer R1 and the potentiometer R2 are respectively connected to the Y00 port and Y01 port of the text PLC all-in-one machine;

[0027] In some embodiments, the heating circuit includes a heating rod, a thermal switch, and a heating rod relay K2-8. The 12th ports of the relay K1-8 and the heating rod relay K2-8 are both connected to the main live wire L. The 13th ports are both connected to the 24V output terminal of the switching power supply. The 14th ports are respectively connected to the Y02 port and Y07 port of the text PLC all-in-one machine. The 8th port of the relay K1-8 is connected to the L end of the speed board. The 8th port of the heating rod relay K2-8 is connected to the thermal switch and the heating rod through the 4th port of the aviation connector row group 2, and is connected to the main neutral line N through the 3rd port of the aviation connector row group 2. The speed control circuit further includes a motor. The A+ end of the speed board is connected to the 1st port of the aviation connector row group 2 and then connected to the motor, and is connected to the A- end of the speed board through the 2nd port of the aviation connector row group 2;

[0028] In some embodiments, the control circuit further includes a relay coil and a diode. The first end of the diode is connected to the 4th port of the aviation connector row group 1-1 and conducts to it, and then is connected to the 0V port of the text PLC all-in-one machine. The first end of the relay coil is connected to the 1st port of the aviation connector row group 1-1, and then is connected to the X00 port of the text PLC all-in-one machine. The second ends of the relay coil and the diode are connected to the 12th port of the aviation connector row group 1-1, and then are connected to the 24V output terminal of the switching power supply;

[0029] In this embodiment, as shown in the 0th row of the ladder diagram, in the standby state, the X003 door interlock switch is closed when the door is closed, the X004 nitrogen pressure is closed, the contact of the start button X006 is closed, the normally open point M10 is self-locked, and the equipment starts; the door is sealed, the positioning of the motor rotor is released, the first step of spraying is realized, and the motor speed is 800 revolutions per minute;

[0030] As shown in the 31st row of the ladder diagram, when the spraying time T1 timing is completed, X011 is closed under the condition that the resistivity meets the standard, the spraying ends, the normally open point of M31 is closed, and the equipment proceeds to the second step. The purpose of this step is to blow air into the spraying water pipe to blow out the remaining water, PURGE, and the rotation speed remains 800 revolutions per minute;

[0031] As shown in the 65th row of the ladder diagram, when the third-step fast spin time T3 timing is completed, the equipment enters the fourth-step slow spin, and the motor speed drops to 800 revolutions per minute; heating and blowing are maintained;

[0032] As shown in the 86th row of the ladder diagram, the rotation speed is controlled by the potentiometer R1 and the potentiometer R2;

[0033] As shown in the 103rd row of the ladder diagram, when the T4 timing is completed, the program runs to the end and is completed.

Claims

1. A dryer control system, characterized in that, Comprising: Text PLC integrated machine, aviation connector row group 1-1, aviation connector row group 1-2, aviation connector row group 2, main live wire L, main neutral wire N, switch circuit, control circuit, operation circuit, speed control circuit and heating circuit. The switch circuit includes a switching power supply, which is a 24V power supply. The switching power supply is electrically connected to the main live wire L and the main neutral wire N. The GND terminal of the switching power supply is grounded, and its 0V output terminal and 24V output terminal are respectively connected to the 0V input terminal and 24V input terminal of the text PLC integrated machine. The switch circuit also includes an alarm. The 24V output terminal of the switching power supply is also connected to port 12 of aviation connector row group 1-2 and then connected to the power input terminal of the alarm. The power output terminal of the alarm is connected to the Y12 port of the text PLC integrated machine. The control circuit is electrically connected to one side of the input terminal of the text PLC integrated machine through aviation connector row group 1-1. The operation circuit, speed control circuit and heating circuit are electrically connected to one side of the output terminal of the text PLC integrated machine for controlling the operation of the drying system.

2. The spin dryer control system according to claim 1, characterized in that, The control circuit includes a door interlock switch, an N2 pressure sensor, a hot gas pressure sensor, a start button and a stop button. The first ends of the door interlock switch, N2 pressure sensor, hot gas pressure sensor, start button and stop button are respectively connected to port 5, port 6, port 7, port 8 and port 9 of aviation connector row group 1-1 and then connected to the X03 port, X04 port, X05 port, X06 port and X07 port of the text PLC integrated machine. The second ends are all connected to the COM port of the text PLC integrated machine.

3. The spin dryer control system according to claim 2, wherein, The operation circuit includes a door sealing device, a cylinder positioning device, a purging device, a spraying device, a blowing device and a cylinder. The first ends of the door sealing device, cylinder positioning device, purging device, spraying device, blowing device and cylinder are respectively connected to port 10, port 11, port 13, port 14, port 15 and port 16 of aviation connector row group 1-2 and then connected to the Y03 port, Y04 port, Y05 port, Y06 port, Y10 port and Y11 port of the text PLC integrated machine. The second ends are all connected to the 24V output terminal of the switching power supply.

4. The spin dryer control system according to claim 3, characterized in that, The speed control circuit includes a speed board, potentiometer R1, potentiometer R2, aviation plug 2-1, aviation plug 2-2 and relay K1-8. The A+ terminal and A- terminal of the speed board are respectively connected to port 1 and port 2 of aviation connector row group 2. The L terminal and N terminal of the speed board are respectively connected to relay K1-8 and the main neutral wire N. Potentiometer R1 and potentiometer R2 are in parallel. The P1 terminal of the speed board is connected to the first ends of potentiometer R1 and potentiometer R2. The P3 terminal of the speed board is connected to the second ends of potentiometer R1 and potentiometer R2. The P2 terminal of the speed board is connected to the C0 port and C1 port of the text PLC integrated machine. The adjustment terminals of potentiometer R1 and potentiometer R2 are respectively connected to the Y00 port and Y01 port of the text PLC integrated machine.

5. The spin dryer control system according to claim 4, characterized in that, The heating circuit includes a heating rod, a thermal switch, and a heating rod relay K2-8. The 12 ports of the relay K1-8 and the heating rod relay K2-8 are both connected to the main live wire L, the 13 ports are both connected to the 24V output terminal of the switching power supply, and the 14 ports are respectively connected to the Y02 terminal and the Y07 terminal of the text PLC all-in-one machine. The 8 port of the relay K1-8 is connected to the L terminal of the speed board. The 8 port of the heating rod relay K2-8 is connected to the thermal switch and the heating rod through the 4 port of the aviation connector row group 2, and is connected to the main neutral wire N through the 3 port of the aviation connector row group 2. The speed control circuit further includes a motor. The A+ terminal of the speed board is connected to the 1 port of the aviation connector row group 2 and then connected to the motor, and is connected to the A- terminal of the speed board through the 2 port of the aviation connector row group 2.

6. The spin dryer control system according to claim 5, characterized in that, The control circuit further includes a relay coil and a diode. The first end of the diode is connected to the 4 port of the aviation connector row group 1-1 and conducts to it, and then is connected to the 0V terminal of the text PLC all-in-one machine. The first end of the relay coil is connected to the 1 port of the aviation connector row group 1-1 and then is connected to the X00 terminal of the text PLC all-in-one machine. The second ends of the relay coil and the diode are connected to the 12 port of the aviation connector row group 1-1 and then are connected to the 24V output terminal of the switching power supply.

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