A tension rod servo controller

Abstract

The present invention relates to the technical field of servo controllers, and in particular to a tension rod servo controller, comprising a power supply circuit, a main controller and a servo motor module, wherein the main controller is electrically connected to the power supply circuit and the servo motor module respectively, and the power supply circuit is provided to supply power to the main controller and the servo motor module, and can be used to filter out common mode interference, thereby ensuring stable operation of the main controller and improving the anti-interference ability of the main controller; by electrically connecting the main controller to the servo motor module, the rotation speed and rotation angle of each tension rod can be accurately controlled, the yarn control method can be improved, the yarn control accuracy can be improved, and a variety of patterned fabrics can be woven.

Description

Technical Field

[0001] The invention relates to the technical field of servo controllers, and in particular to a tension rod servo controller. Background Art

[0002] With the development of economy and society, people's living standard is getting higher and higher, and their requirements for clothes and fabrics are getting higher and higher. People's pursuit of personalized fabric patterns is also getting higher and higher. For example, many people now like to have raised patterns and pleated effects on fabrics. Since most of the common textile equipment technology currently uses traditional technology, there are certain limitations to current requirements.

[0003] As far as the current technology is concerned, when the yarn passes through the tension rod, generally 2,000 yarns are controlled by the main shaft at the same time, and the main shaft controls the tension rod through gear transmission. This technology was very practical in the early days, because there were not many auxiliary requirements for fabrics in the early days, and it only needed to meet the quality requirements and high production efficiency. However, with more additional requirements nowadays, this technology has certain limitations. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a tension rod servo controller capable of controlling the rotation speed and rotation angle of the tension rod, which can meet the requirements of weaving complex patterns and achieve the purpose of technical rectification at the lowest cost.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0006] A tension rod servo controller comprises a power supply circuit, a main controller and a servo motor module, wherein the main controller is electrically connected to the power supply circuit and the servo motor module respectively;

[0007] The main controller includes a USB to serial port circuit, a main control circuit, an interface communication circuit, a sampling circuit, a USB circuit, an interface circuit, an EEPROM circuit, a CAN circuit and a serial circuit. The main control circuit is electrically connected to the USB to serial port circuit, the interface communication circuit, the sampling circuit, the USB circuit, the interface circuit, the EEPROM circuit, the CAN circuit and the serial circuit respectively.

[0008] The beneficial effects of the present invention are:

[0009] By setting up a power supply circuit to power the main controller and the servo motor module, it can be used to filter out common mode interference, thereby ensuring the stable operation of the main controller and improving the anti-interference ability of the main controller; by electrically connecting the main controller and the servo motor module, the speed and rotation angle of each tension rod can be accurately controlled, the yarn control method can be improved, the yarn control accuracy can be improved, and a variety of patterned fabrics can be woven. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 is an overall circuit block diagram of a tension rod servo controller according to the present invention;

[0011] Figure 2 A circuit schematic diagram of a USB-to-serial port circuit of a tension rod servo controller according to the present invention;

[0012] Figure 3 A circuit schematic diagram of a power supply circuit of a tension rod servo controller according to the present invention;

[0013] Figure 4 A circuit schematic diagram of an interface communication circuit of a tension rod servo controller according to the present invention;

[0014] Figure 5 A circuit schematic diagram of a USB circuit of a tension rod servo controller according to the present invention;

[0015] Figure 6 A circuit schematic diagram of an EEPROM circuit of a tension rod servo controller according to the present invention;

[0016] Figure 7 A circuit schematic diagram of a CAN circuit of a tension rod servo controller according to the present invention;

[0017] Figure 8 A circuit schematic diagram of a serial circuit of a tension rod servo controller according to the present invention;

[0018] Fig. 9 A circuit schematic diagram of a sampling circuit of a tension rod servo controller according to the present invention;

[0019] Fig.10 A circuit schematic diagram of a TF card circuit of a tension rod servo controller according to the present invention;

[0020] Fig.11 A circuit schematic diagram of a Boot circuit of a tension rod servo controller according to the present invention;

[0021] Fig.12 A circuit schematic diagram of an interface circuit of a tension rod servo controller according to the present invention;

[0022] Fig.13 A schematic structural diagram of a servo motor module of a tension rod servo controller according to the present invention;

[0023] Fig.14 It is a structural schematic diagram of a main control circuit of a tension rod servo controller according to the present invention;

[0024] Description of labels:

[0025] 1. Power supply circuit;

[0026] 2. Main controller; 201. USB to serial port circuit; 202. Main control circuit; 203. Interface communication circuit; 204. Sampling circuit; 205. USB circuit; 206. Interface circuit; 207. EEPROM circuit; 208. CAN circuit; 209. Serial circuit;

[0027] 3. Servo motor module;

[0028] 4. Control motor;

[0029] 5. The first tension rod;

[0030] 6. Second tension rod;

[0031] 7. The third tension rod;

[0032] 8. Pulley;

[0033] 9. First transmission wheel;

[0034] 10. Second transmission wheel;

[0035] 11. The third transmission wheel;

[0036] 12. The first transmission belt;

[0037] 13. Second transmission belt. DETAILED DESCRIPTION

[0038] In order to explain the technical content, achieved objectives and effects of the present invention in detail, the following is an explanation in combination with the implementation modes and the accompanying drawings.

[0039] Please refer to Figure 1 , the technical solution provided by the present invention:

[0040] A tension rod servo controller comprises a power supply circuit, a main controller and a servo motor module, wherein the main controller is electrically connected to the power supply circuit and the servo motor module respectively;

[0041] The main controller includes a USB to serial port circuit, a main control circuit, an interface communication circuit, a sampling circuit, a USB circuit, an interface circuit, an EEPROM circuit, a CAN circuit and a serial circuit. The main control circuit is electrically connected to the USB to serial port circuit, the interface communication circuit, the sampling circuit, the USB circuit, the interface circuit, the EEPROM circuit, the CAN circuit and the serial circuit respectively.

[0042] From the above description, it can be seen that the beneficial effects of the present invention are:

[0043] By setting up a power supply circuit to power the main controller and the servo motor module, it can be used to filter out common mode interference, thereby ensuring the stable operation of the main controller and improving the anti-interference ability of the main controller; by electrically connecting the main controller and the servo motor module, the speed and rotation angle of each tension rod can be accurately controlled, the yarn control method can be improved, the yarn control accuracy can be improved, and a variety of patterned fabrics can be woven.

[0044] Further, the USB to serial port circuit includes a resistor R17, a resistor R18, a resistor R19, a resistor R20, a resistor R21, a capacitor C12, a capacitor C13, a capacitor C14, a capacitor C15, an electrolytic capacitor CE5, a diode D8, a transistor Q8, a transistor Q9, a crystal oscillator Y3 and a chip U7, and the chip U7 includes a first pin, a second pin, a third pin, a fourth pin, a fifth pin, a sixth pin, a seventh pin, an eighth pin, a ninth pin, a tenth pin, an eleventh pin, a twelfth pin, a thirteenth pin, a fourteenth pin, a fifteenth pin, a sixteenth pin and a seventeenth pin;

[0045] The first pin of the chip U7 is electrically connected to the base of the transistor Q8 through the resistor R18, the second pin of the chip U7 is electrically connected to one end of the resistor R19 and the emitter of the transistor Q8 respectively, the third pin of the chip U7 is grounded through the capacitor C12, the fourth pin of the chip U7 is electrically connected to the fifth pin of the chip U7 through the capacitor C13, the sixth pin of the chip U7 is electrically connected to one end of the crystal oscillator Y3 and one end of the capacitor C15 respectively, the seventh pin of the chip U7 is electrically connected to one end of the capacitor C14 and the other end of the crystal oscillator Y3 respectively, the eighth pin of the chip U8 is electrically connected to the other end of the capacitor C14 and the other end of the capacitor C15 respectively, the ninth pin of the chip U7, the thirteenth pin of the chip U7, the sixteenth pin of the chip U7 and one end of the electrolytic capacitor CE5, and the other end of the electrolytic capacitor CE5 is electrically connected to the seventeenth pin of the chip U7 The pins are electrically connected, the tenth pin of the chip U7 is electrically connected to the power supply circuit, the eleventh pin of the chip U7 is electrically connected to the twelfth pin of the chip U7 and one end of the resistor R20 respectively, the other end of the resistor R20 is electrically connected to the power supply circuit, the fourteenth pin of the chip U7 is electrically connected to the fifteenth pin of the chip U7 and the fourteenth pin of the chip U7 and the fifteenth pin of the chip U7 are both electrically connected to the power supply circuit, the collector of the transistor Q8 is electrically connected to one end of the resistor R17 and the cathode of the diode D8 respectively, the anode of the diode D8 is electrically connected to the main control circuit, the other end of the resistor R19 is electrically connected to the base of the transistor Q9, the collector of the transistor Q9 is electrically connected to one end of the resistor R21, the other end of the resistor R21 is electrically connected to the main control circuit, and the emitter of the transistor Q9 is electrically connected to the power supply circuit.

[0046] From the above description, it can be known that the resistor R17, the resistor R18, the resistor R19, the resistor R20, the resistor R21, the capacitor C12, the capacitor C13, the capacitor C14, the capacitor C15, the electrolytic capacitor CE5, the diode D8, the transistor Q8, the transistor Q9, the crystal oscillator Y3 and the chip U7 constitute the USB to serial port circuit. Since the voltage values ​​of the USB signal and the TTL level are different, the USB to serial port circuit is set to convert the USB signal into the TTL level.

[0047] Further, the power supply circuit includes a varistor RV1, a capacitor C1, a capacitor C2, a diode D1, a transformer T1, a chip U1 and a chip U2, the chip U1 includes a first pin, a second pin, a third pin and a fourth pin, and the chip U2 includes a first pin, a second pin, a third pin and a fourth pin;

[0048] The first pin of the chip U1 is electrically connected to one end of the first winding of the transformer T1, and the other end of the first winding of the transformer T1 is electrically connected to one end of the capacitor C1 and one end of the varistor RV1 respectively. The second pin of the chip U1 is electrically connected to one end of the second winding of the transformer T1, and the other end of the second winding of the transformer T1 is electrically connected to the other end of the capacitor C1 and the other end of the varistor RV1 respectively. The third pin of the chip U1 is electrically connected to one end of the capacitor C2, the cathode of the diode D1 and the first pin of the chip U2 respectively. The fourth pin of the chip U1 is electrically connected to the other end of the capacitor C2, the anode of the diode D1 and the second pin of the chip U2 respectively.

[0049] From the above description, it can be seen that chip U1 is a high-performance capacitor AC-DC converter, and chip U2 is a DC-DC converter. The AC-DC converter converts AC into DC, and the DC-DC converter filters out common-mode interference between different grounds. Both the AC-DC converter and the DC-DC converter are isolated converters, that is, the input and output are isolated and not grounded. At the same time, there is an additional protection design at the input end of the power supply circuit. The varistor RV1 is set to protect the power supply from damage in the event of a lightning surge. The capacitor C1 and the inductor L form an EMC protection circuit to ensure that the product does not pollute the power grid and is a reliability design for the electrical appliance.

[0050] Further, the interface communication circuit includes a resistor R5, a resistor R6, a resistor R7, a resistor R8, a resistor R9, a resistor R10, a connector P2 and a chip U4, and the chip U4 includes a first pin, a second pin, a third pin, a fourth pin, a fifth pin, a sixth pin, a seventh pin and an eighth pin;

[0051] The first pin of the chip U4 is electrically connected to one end of the resistor R5, and the other end of the resistor R5 is electrically connected to the main control circuit. The second pin of the chip U4 is electrically connected to the third pin of the chip U4 and one end of the resistor R6, respectively, and the other end of the resistor R6 is grounded. The fourth pin of the chip U4 is electrically connected to one end of the resistor R7, and the other end of the resistor R7 is electrically connected to the main control circuit. The fifth pin of the chip U4 is grounded. The sixth pin of the chip U4 is electrically connected to one end of the resistor R10, one end of the resistor R9 and the second pin of the connector P2, respectively. The seventh pin of the chip U4 is electrically connected to the other end of the resistor R9, one end of the resistor R8 and the first pin of the connector P2, respectively. The eighth pin of the chip U4 and the other end of the resistor R10 are both electrically connected to the power supply circuit, and the other end of the resistor R8 is grounded.

[0052] From the above description, it can be seen that the model of chip U4 is MAX485. When the signal is transmitted, the signal is input from the other end of resistor R7 to the sixth pin of chip U4 and the seventh pin of chip U4, and the sixth pin of chip U4 and the seventh pin of chip U4 obtain a differential signal. Resistor R8 and resistor R10 are pull-up and pull-down resistors, and resistor R9 is the load resistor of the sixth pin of chip U4 and the seventh pin of chip U4, and its function is to improve the anti-interference ability.

[0053] Further, the USB circuit includes a resistor R25, a resistor R26, a resistor R27, a resistor R28, a transistor Q10 and a chip U9, and the chip U9 includes a first pin, a second pin, a third pin and a fourth pin;

[0054] The first pin of the chip U9 is electrically connected to the power supply circuit, the second pin of the chip U9 is electrically connected to one end of the resistor R25, the other end of the resistor R25 is electrically connected to the main control circuit, the third pin of the chip U9 is electrically connected to one end of the resistor R26 and one end of the resistor R27 respectively, the other end of the resistor R26 is electrically connected to the main control circuit, the other end of the resistor R27 is electrically connected to the collector of the transistor Q10, the base of the transistor Q10 is electrically connected to one end of the resistor R28, the other end of the resistor R28 is electrically connected to the main control circuit, the emitter of the transistor Q10 is electrically connected to the power supply circuit, and the fourth pin of the chip U9 is grounded.

[0055] It can be seen from the above description that the resistor R25, the resistor R26, the resistor R27, the resistor R28, the transistor Q10 and the chip U9 constitute a USB circuit for realizing signal transmission between circuits.

[0056] Furthermore, the servo motor module includes a control motor, a first tension rod, a second tension rod and a third tension rod, the second tension rod is located between the first tension rod and the third tension rod, the control motor is electrically connected to the main controller, one end of the first tension rod is fixedly connected to the output shaft of the control motor, a pulley is provided on the fixed sleeve on the other end opposite to one end of the first tension rod, a first transmission wheel and a second transmission wheel are provided on the fixed sleeve on the second tension rod, a third transmission wheel is provided on the fixed sleeve on the third tension rod, the pulley is connected to the first transmission wheel by a first transmission belt, and the second transmission wheel and the third transmission wheel are connected by a second transmission belt.

[0057] From the above description, it can be seen that the main controller controls the servo control motor to rotate, which drives the first tension rod to rotate. The second tension rod rotates, and under the drive of the first transmission belt, the second tension rod also rotates, which in turn drives the third tension rod to rotate. The main controller controls each tension rod individually, and can accurately control the rotation speed and rotation angle of each tension rod. The control methods are diverse and the weaving effects are diverse.

[0058] Further, the EEPROM circuit includes a resistor R34, a resistor R35, a capacitor C16 and a chip U11, and the chip U11 includes a first pin, a second pin, a third pin, a fourth pin, a fifth pin, a sixth pin, a seventh pin and an eighth pin;

[0059] The first pin of the chip U11, the second pin of the chip U11, the third pin of the chip U11 and the fourth pin of the chip U11 are all grounded, the fifth pin of the chip U11 is electrically connected to one end of the resistor R35, the sixth pin of the chip U11 is electrically connected to one end of the resistor R34, the seventh pin of the chip U11 is electrically connected to one end of the capacitor C16, and the seventh pin of the chip U11 and one end of the capacitor C16 are both grounded, the eighth pin of the chip U11 is respectively electrically connected to the other end of the capacitor C16, the other end of the resistor R34 and the other end of the resistor R35, and the eighth pin of the chip U11, the other end of the capacitor C16, the other end of the resistor R34 and the other end of the resistor R35 are all electrically connected to the power supply circuit.

[0060] From the above description, it can be known that the resistor R34, the resistor R35, the capacitor C16 and the chip U11 constitute an EEPROM circuit for storing data.

[0061] Further, the CAN circuit includes a resistor R36, a capacitor C17, a connector P3 and a chip U12, the chip U12 includes a first pin, a second pin, a third pin, a fourth pin and a fifth pin, and the connector P3 includes a first pin and a second pin;

[0062] The first pin of the chip U12 and the fifth pin of the chip U12 are both grounded, the second pin of the chip U12 is electrically connected to one end of the capacitor C17 and the second pin of the chip U12 and one end of the capacitor C17 are both electrically connected to the power supply circuit, the other end of the capacitor C17 is grounded, the fourth pin of the chip U12 is respectively electrically connected to one end of the resistor R36 and the first pin of the connector P3, and the fifth pin of the chip U12 is respectively electrically connected to the other end of the resistor R36 and the second pin of the connector P3.

[0063] From the above description, it can be seen that the resistor R36, the capacitor C17, the connector P3 and the chip U12 constitute the CAN circuit, which plays the role of monitoring and resetting the circuit.

[0064] Further, the serial circuit includes a resistor R37 and a chip U13, and the chip U13 includes a first pin, a second pin, a third pin, a fourth pin and a fifth pin;

[0065] The first pin of the chip U13 is electrically connected to one end of the resistor R37 and the main control circuit respectively, the second pin of the chip U13 is electrically connected to the other end of the resistor R37, the fourth pin of the chip U13 and the fifth pin of the chip U13 respectively, and the second pin of the chip U13, the other end of the resistor R37, the fourth pin of the chip U13 and the fifth pin of the chip U13 are all electrically connected to the power supply circuit, and the third pin of the chip U13 is grounded.

[0066] From the above description, it can be seen that the resistor R37 and the chip U13 form a serial circuit for acquiring data from the remote acquisition device.

[0067] Furthermore, the sampling circuit includes a resistor R39, a variable resistor RP1 and a capacitor C18, one end of the resistor R39 is electrically connected to the first end of the variable resistor RP1, the other end of the resistor R39 is electrically connected to the main control circuit and one end of the capacitor C18 respectively, the other end of the capacitor C18 is electrically connected to the second end of the variable resistor RP1 and the other end of the capacitor C18 and the second end of the variable resistor RP1 are both grounded, and the third end of the variable resistor RP1 is electrically connected to the power supply circuit.

[0068] From the above description, it can be seen that the resistor R39, the variable resistor RP1 and the capacitor C18 constitute a sampling circuit, and the other end of the resistor R39 is electrically connected to the main control circuit to collect the signal transmitted by the main control circuit.

[0069] Please refer to Figures 1 to 14 , Embodiment 1 of the present invention is:

[0070] Please refer to Figure 1, a tension rod servo controller, comprising a power supply circuit 1, a main controller 2 and a servo motor module 3, wherein the main controller 2 is electrically connected to the power supply circuit 1 and the servo motor module 3 respectively;

[0071] The main controller 2 includes a USB to serial port circuit 201, a main control circuit 202, an interface communication circuit 203, a sampling circuit 204, a USB circuit 205, an interface circuit 206, an EEPROM circuit 207, a CAN circuit 208 and a serial circuit 209, and the main control circuit 202 is electrically connected to the USB to serial port circuit 201, the interface communication circuit 203, the sampling circuit 204, the USB circuit 205, the interface circuit 206, the EEPROM circuit 207, the CAN circuit 208 and the serial circuit 209 respectively;

[0072] Please refer to Fig.13 The servo motor module 3 includes a control motor 4, a first tension rod 5, a second tension rod 6 and a third tension rod 7, wherein the second tension rod 6 is located between the first tension rod 5 and the third tension rod 7, the control motor 4 is electrically connected to the main controller 2, one end of the first tension rod 5 is fixedly connected to the output shaft of the control motor 4, a pulley 8 is fixedly sleeved on the other end opposite to one end of the first tension rod 5, a first transmission wheel 9 and a second transmission wheel 10 are fixedly sleeved on the second tension rod 6, a third transmission wheel 11 is fixedly sleeved on the third tension rod 7, the pulley 8 is connected to the first transmission wheel 9 by a first transmission belt 12, and the second transmission wheel 10 is connected to the third transmission wheel 11 by a second transmission belt 13.

[0073] Please refer to Figure 2 The USB to serial port circuit 201 includes a resistor R17 (resistance value is 10KΩ), a resistor R18 (resistance value is 1KΩ), a resistor R19 (resistance value is 1KΩ), a resistor R20 (resistance value is 45KΩ), a resistor R21 (resistance value is 1KΩ), a capacitor C12 (capacitance value is 0.1uF), a capacitor C13 (capacitance value is 0.1uF), a capacitor C14 (capacitance value is 22pF), a capacitor C15 (capacitance value is 22pF), an electrolytic capacitor CE5 (capacitance value is 22uF), a diode Tube D8 (model IN4148), transistor Q8 (model S8050), transistor Q9 (model S8050), crystal oscillator Y3 (frequency 12MHz) and chip U7 (model PL2303HX), the chip U7 includes a first pin, a second pin, a third pin, a fourth pin, a fifth pin, a sixth pin, a seventh pin, an eighth pin, a ninth pin, a tenth pin, an eleventh pin, a twelfth pin, a thirteenth pin, a fourteenth pin, a fifteenth pin, a sixteenth pin and a seventeenth pin;

[0074] The first pin of the chip U7 is electrically connected to the base of the transistor Q8 through the resistor R18, the second pin of the chip U7 is electrically connected to one end of the resistor R19 and the emitter of the transistor Q8 respectively, the third pin of the chip U7 is grounded through the capacitor C12, the fourth pin of the chip U7 is electrically connected to the fifth pin of the chip U7 through the capacitor C13, the sixth pin of the chip U7 is electrically connected to one end of the crystal oscillator Y3 and one end of the capacitor C15 respectively, the seventh pin of the chip U7 is electrically connected to one end of the capacitor C14 and the other end of the crystal oscillator Y3 respectively, the eighth pin of the chip U8 is electrically connected to the other end of the capacitor C14 and the other end of the capacitor C15 respectively, the ninth pin of the chip U7, the thirteenth pin of the chip U7, the sixteenth pin of the chip U7 and one end of the electrolytic capacitor CE5, and the other end of the electrolytic capacitor CE5 is electrically connected to the seventeenth pin of the chip U7 The tenth pin of the chip U7 is electrically connected to the power supply circuit 1, the eleventh pin of the chip U7 is electrically connected to the twelfth pin of the chip U7 and one end of the resistor R20 respectively, the other end of the resistor R20 is electrically connected to the power supply circuit 1, the fourteenth pin of the chip U7 is electrically connected to the fifteenth pin of the chip U7 and the fourteenth pin of the chip U7 and the fifteenth pin of the chip U7 are both electrically connected to the power supply circuit 1, the collector of the transistor Q8 is electrically connected to one end of the resistor R17 and the cathode of the diode D8 respectively, the anode of the diode D8 is electrically connected to the main control circuit 202, the other end of the resistor R19 is electrically connected to the base of the transistor Q9, the collector of the transistor Q9 is electrically connected to one end of the resistor R21, the other end of the resistor R21 is electrically connected to the main control circuit 202, and the emitter of the transistor Q9 is electrically connected to the power supply circuit 1.

[0075] Please refer to Figure 3 , the power supply circuit 1 includes a varistor RV1 (model TVR10561M), a capacitor C1 (capacitance value is 0.15uF), a capacitor C2, a diode D1, a transformer T1, a chip U1 and a chip U2, the chip U1 includes a first pin, a second pin, a third pin and a fourth pin, and the chip U2 includes a first pin, a second pin, a third pin and a fourth pin;

[0076] The first pin of the chip U1 is electrically connected to one end of the first winding of the transformer T1, and the other end of the first winding of the transformer T1 is electrically connected to one end of the capacitor C1 and one end of the varistor RV1 respectively. The second pin of the chip U1 is electrically connected to one end of the second winding of the transformer T1, and the other end of the second winding of the transformer T1 is electrically connected to the other end of the capacitor C1 and the other end of the varistor RV1 respectively. The third pin of the chip U1 is electrically connected to one end of the capacitor C2, the cathode of the diode D1 and the first pin of the chip U2 respectively. The fourth pin of the chip U1 is electrically connected to the other end of the capacitor C2, the anode of the diode D1 and the second pin of the chip U2 respectively.

[0077] Please refer to Figure 4 , the interface communication circuit 203 includes a resistor R5 (resistance value is 1KΩ), a resistor R6 (resistance value is 4.7KΩ), a resistor R7 (resistance value is 1KΩ), a resistor R8 (resistance value is 4.7KΩ), a resistor R9 (resistance value is 120Ω), a resistor R10 (resistance value is 4.7KΩ), a connector P2 (model DG301-2P) and a chip U4 (model MAX485), and the chip U4 includes a first pin, a second pin, a third pin, a fourth pin, a fifth pin, a sixth pin, a seventh pin and an eighth pin;

[0078] The first pin of the chip U4 is electrically connected to one end of the resistor R5, and the other end of the resistor R5 is electrically connected to the main control circuit 202. The second pin of the chip U4 is electrically connected to the third pin of the chip U4 and one end of the resistor R6, respectively, and the other end of the resistor R6 is grounded. The fourth pin of the chip U4 is electrically connected to one end of the resistor R7, and the other end of the resistor R7 is electrically connected to the main control circuit 202. The fifth pin of the chip U4 is grounded. The sixth pin of the chip U4 is electrically connected to one end of the resistor R10, one end of the resistor R9 and the second pin of the connector P2, respectively. The seventh pin of the chip U4 is electrically connected to the other end of the resistor R9, one end of the resistor R8 and the first pin of the connector P2, respectively. The eighth pin of the chip U4 and the other end of the resistor R10 are both electrically connected to the power supply circuit 1, and the other end of the resistor R8 is grounded.

[0079] Please refer to Figure 5 , the USB circuit 205 includes a resistor R25 (resistance value is 27Ω), a resistor R26 (resistance value is 27Ω), a resistor R27 (resistance value is 1.5KΩ), a resistor R28 (resistance value is 10KΩ), a transistor Q10 (model S8550) and a chip U9 (model MINIUSB), and the chip U9 includes a first pin, a second pin, a third pin and a fourth pin;

[0080] The first pin of the chip U9 is electrically connected to the power supply circuit 1, the second pin of the chip U9 is electrically connected to one end of the resistor R25, the other end of the resistor R25 is electrically connected to the main control circuit 202, the third pin of the chip U9 is electrically connected to one end of the resistor R26 and one end of the resistor R27 respectively, the other end of the resistor R26 is electrically connected to the main control circuit 202, the other end of the resistor R27 is electrically connected to the collector of the transistor Q10, the base of the transistor Q10 is electrically connected to one end of the resistor R28, the other end of the resistor R28 is electrically connected to the main control circuit 202, the emitter of the transistor Q10 is electrically connected to the power supply circuit 1, and the fourth pin of the chip U9 is grounded.

[0081] Please refer to Figure 6 , the EEPROM circuit 207 includes a resistor R34 (resistance value is 4.7KΩ), a resistor R35 (resistance value is 4.7KΩ), a capacitor C16 (capacitance value is 0.1uF) and a chip U11 (model AT24C02), and the chip U11 includes a first pin, a second pin, a third pin, a fourth pin, a fifth pin, a sixth pin, a seventh pin and an eighth pin;

[0082] The first pin of the chip U11, the second pin of the chip U11, the third pin of the chip U11 and the fourth pin of the chip U11 are all grounded, the fifth pin of the chip U11 is electrically connected to one end of the resistor R35, the sixth pin of the chip U11 is electrically connected to one end of the resistor R34, the seventh pin of the chip U11 is electrically connected to one end of the capacitor C16, and the seventh pin of the chip U11 and one end of the capacitor C16 are both grounded, the eighth pin of the chip U11 is respectively electrically connected to the other end of the capacitor C16, the other end of the resistor R34 and the other end of the resistor R35, and the eighth pin of the chip U11, the other end of the capacitor C16, the other end of the resistor R34 and the other end of the resistor R35 are all electrically connected to the power supply circuit 1.

[0083] Please refer to Figure 7 , the CAN circuit 208 includes a resistor R36 (resistance value is 120Ω), a capacitor C17 (capacitance value is 0.1uF), a connector P3 (model DG301-2P) and a chip U12 (model TJA1050), the chip U12 includes a first pin, a second pin, a third pin, a fourth pin and a fifth pin, and the connector P3 includes a first pin and a second pin;

[0084] The first pin of the chip U12 and the fifth pin of the chip U12 are both grounded, the second pin of the chip U12 is electrically connected to one end of the capacitor C17 and the second pin of the chip U12 and one end of the capacitor C17 are both electrically connected to the power supply circuit 1, the other end of the capacitor C17 is grounded, the fourth pin of the chip U12 is respectively electrically connected to one end of the resistor R36 and the first pin of the connector P3, and the fifth pin of the chip U12 is respectively electrically connected to the other end of the resistor R36 and the second pin of the connector P3.

[0085] Please refer to Figure 8 , the serial circuit 209 includes a resistor R37 (resistance value is 4.7KΩ) and a chip U13 (model is W25X16), and the chip U13 includes a first pin, a second pin, a third pin, a fourth pin and a fifth pin;

[0086] The first pin of the chip U13 is electrically connected to one end of the resistor R37 and the main control circuit 202 respectively, the second pin of the chip U13 is electrically connected to the other end of the resistor R37, the fourth pin of the chip U13 and the fifth pin of the chip U13 respectively, and the second pin of the chip U13, the other end of the resistor R37, the fourth pin of the chip U13 and the fifth pin of the chip U13 are all electrically connected to the power supply circuit 1, and the third pin of the chip U13 is grounded.

[0087] Please refer to Fig. 9 The sampling circuit 204 includes a resistor R39 (resistance value is 2KΩ), a variable resistor RP1 (resistance value is 20KΩ) and a capacitor C18 (capacitance value is 0.1uF), one end of the resistor R39 is electrically connected to the first end of the variable resistor RP1, the other end of the resistor R39 is electrically connected to the main control circuit 202 and one end of the capacitor C18 respectively, the other end of the capacitor C18 is electrically connected to the second end of the variable resistor RP1 and the other end of the capacitor C18 and the second end of the variable resistor RP1 are both grounded, and the third end of the variable resistor RP1 is electrically connected to the power supply circuit 1.

[0088] The main controller 2 also includes a TF card circuit and a Boot circuit. The main control circuit 202 is electrically connected to the Boot circuit and the TF card circuit respectively. The connection relationship of each component in the TF card circuit can be found in Fig.10 For the connection relationship of the components in the Boot circuit, please refer to Fig.11 ;

[0089] For the connection relationship of the components in the interface circuit 206, please refer to Fig.12 .

[0090] Please refer to Fig.14, which is a specific circuit connection diagram of the main control circuit 202, the model of the chip U7 is STM32F103VET.

[0091] In summary, the present invention provides a tension rod servo controller, which provides power to the main controller and the servo motor module by setting a power supply circuit, and can be used to filter out common mode interference, thereby ensuring the stable operation of the main controller and improving the anti-interference ability of the main controller; by electrically connecting the main controller and the servo motor module, it is possible to accurately control the rotation speed and rotation angle of each tension rod, improve the yarn control method, and improve the yarn control accuracy, so as to weave a variety of patterned fabrics.

[0092] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent transformations made using the contents of the present invention's specification and drawings, or directly or indirectly applied in related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A tension rod servo controller, characterized in that: The invention comprises a power supply circuit, a main controller and a servo motor module, wherein the main controller is electrically connected to the power supply circuit and the servo motor module respectively; the main controller comprises a USB to serial port circuit, a main control circuit, an interface communication circuit, a sampling circuit, a USB circuit, an interface circuit, an EEPROM circuit, a CAN circuit and a serial circuit, wherein the main control circuit is electrically connected to the USB to serial port circuit, the interface communication circuit, the sampling circuit, the USB circuit, the interface circuit, the EEPROM circuit, the CAN circuit and the serial circuit respectively, and the power supply circuit is provided to the main controller and the servo motor module, and can be used to filter out Common mode interference ensures the stable operation of the main controller and improves the anti-interference ability of the main controller. The main controller is electrically connected to the servo motor module to accurately control the speed and rotation angle of each tension rod, improve the yarn control method, and improve the yarn control accuracy. The servo motor module includes a control motor, a first tension rod, a second tension rod and a third tension rod. The second tension rod is located between the first tension rod and the third tension rod. The control motor is electrically connected to the main controller. One end of the first tension rod is fixedly connected to the output shaft of the control motor. The other end of the first tension rod opposite to one end is fixedly connected to the output shaft of the control motor. The fixed sleeve is provided with a pulley, the fixed sleeve on the second tension rod is provided with a first transmission wheel and a second transmission wheel, the fixed sleeve on the third tension rod is provided with a third transmission wheel, the pulley and the first transmission wheel are connected by a first transmission belt, and the second transmission wheel and the third transmission wheel are connected by a second transmission belt. The main controller controls the servo control motor to rotate to drive the first tension rod to rotate, and the second tension rod rotates. Driven by the first transmission belt, the second tension rod also rotates, and then drives the third tension rod to rotate. The main controller controls each tension rod individually, so as to realize accurate control of the rotation speed and rotation angle of each tension rod. The USB to serial port circuit includes a resistor R17, a resistor R18, a resistor R19, a resistor R20, a resistor R21, a capacitor C12, a capacitor C13, a capacitor C14, a capacitor C15, an electrolytic capacitor CE5, a diode D8, a transistor Q8, a transistor Q9, a crystal oscillator Y3 and a chip U7, and the chip U7 includes a first pin, a second pin, a third pin, a fourth pin, a fifth pin, a sixth pin, a seventh pin, an eighth pin, a ninth pin, a tenth pin, an eleventh pin, a twelfth pin, a thirteenth pin, a fourteenth pin, a fifteenth pin, a sixteenth pin and a seventeenth pin;The first pin of the chip U7 is electrically connected to the base of the transistor Q8 through the resistor R18, the second pin of the chip U7 is electrically connected to one end of the resistor R19 and the emitter of the transistor Q8 respectively, the third pin of the chip U7 is grounded through the capacitor C12, the fourth pin of the chip U7 is electrically connected to the fifth pin of the chip U7 through the capacitor C13, the sixth pin of the chip U7 is electrically connected to one end of the crystal oscillator Y3 and one end of the capacitor C15 respectively, the seventh pin of the chip U7 is electrically connected to one end of the capacitor C14 and the other end of the crystal oscillator Y3 respectively, the eighth pin of the chip U7 is electrically connected to the other end of the capacitor C14 and the other end of the capacitor C15 respectively, the ninth pin of the chip U7, the thirteenth pin of the chip U7, the sixteenth pin of the chip U7 and one end of the electrolytic capacitor CE5, and the other end of the electrolytic capacitor CE5 is electrically connected to the seventeenth pin of the chip U7 The pins of the chip U7 are electrically connected, the tenth pin of the chip U7 is electrically connected to the power supply circuit, the eleventh pin of the chip U7 is electrically connected to the twelfth pin of the chip U7 and one end of the resistor R20, respectively, the other end of the resistor R20 is electrically connected to the power supply circuit, the fourteenth pin of the chip U7 is electrically connected to the fifteenth pin of the chip U7, and the fourteenth pin of the chip U7 and the fifteenth pin of the chip U7 are both electrically connected to the power supply circuit, the collector of the transistor Q8 is electrically connected to one end of the resistor R17 and the cathode of the diode D8, respectively, the anode of the diode D8 is electrically connected to the main control circuit, the other end of the resistor R19 is electrically connected to the base of the transistor Q9, the collector of the transistor Q9 is electrically connected to one end of the resistor R21, the other end of the resistor R21 is electrically connected to the main control circuit, and the emitter of the transistor Q9 is electrically connected to the power supply circuit. ; 2. The tension rod servo controller according to claim 1, characterized in that: The power supply circuit includes a varistor RV1, a capacitor C1, a capacitor C2, a diode D1, a transformer T1, a chip U1 and a chip U2, the chip U1 includes a first pin, a second pin, a third pin and a fourth pin, and the chip U2 includes a first pin, a second pin, a third pin and a fourth pin; the first pin of the chip U1 is electrically connected to one end of the first winding of the transformer T1, the other end of the first winding of the transformer T1 is respectively electrically connected to one end of the capacitor C1 and one end of the varistor RV1, the second pin of the chip U1 is electrically connected to one end of the second winding of the transformer T1, the other end of the second winding of the transformer T1 is respectively electrically connected to the other end of the capacitor C1 and the other end of the varistor RV1, the third pin of the chip U1 is respectively electrically connected to one end of the capacitor C2, the cathode of the diode D1 and the first pin of the chip U2, and the fourth pin of the chip U1 is respectively electrically connected to the other end of the capacitor C2, the anode of the diode D1 and the second pin of the chip U2.

3. The tension rod servo controller according to claim 1, characterized in that: The interface communication circuit includes resistors R5, R6, R7, R8, R9, R10, a connector P2 and a chip U4, wherein the chip U4 includes a first pin, a second pin, a third pin, a fourth pin, a fifth pin, a sixth pin, a seventh pin and an eighth pin; the first pin of the chip U4 is electrically connected to one end of the resistor R5, the other end of the resistor R5 is electrically connected to the main control circuit, the second pin of the chip U4 is electrically connected to the third pin of the chip U4 and one end of the resistor R6 respectively, the other end of the resistor R6 is grounded, and the The fourth pin of the chip U4 is electrically connected to one end of the resistor R7, the other end of the resistor R7 is electrically connected to the main control circuit, the fifth pin of the chip U4 is grounded, the sixth pin of the chip U4 is electrically connected to one end of the resistor R10, one end of the resistor R9 and the second pin of the connector P2, the seventh pin of the chip U4 is electrically connected to the other end of the resistor R9, one end of the resistor R8 and the first pin of the connector P2, the eighth pin of the chip U4 and the other end of the resistor R10 are both electrically connected to the power supply circuit, and the other end of the resistor R8 is grounded.

4. The tension rod servo controller according to claim 1, characterized in that: The USB circuit includes resistor R25, resistor R26, resistor R27, resistor R28, transistor Q10 and chip U9, and the chip U9 includes a first pin, a second pin, a third pin and a fourth pin; the first pin of the chip U9 is electrically connected to the power supply circuit, the second pin of the chip U9 is electrically connected to one end of the resistor R25, the other end of the resistor R25 is electrically connected to the main control circuit, the third pin of the chip U9 is respectively electrically connected to one end of the resistor R26 and one end of the resistor R27, the other end of the resistor R26 is electrically connected to the main control circuit, the other end of the resistor R27 is electrically connected to the collector of the transistor Q10, the base of the transistor Q10 is electrically connected to one end of the resistor R28, the other end of the resistor R28 is electrically connected to the main control circuit, the emitter of the transistor Q10 is electrically connected to the power supply circuit, and the fourth pin of the chip U9 is grounded.

5. The tension rod servo controller according to claim 1, characterized in that: The EEPROM circuit includes a resistor R34, a resistor R35, a capacitor C16 and a chip U11, and the chip U11 includes a first pin, a second pin, a third pin, a fourth pin, a fifth pin, a sixth pin, a seventh pin and an eighth pin; the first pin of the chip U11, the second pin of the chip U11, the third pin of the chip U11 and the fourth pin of the chip U11 are all grounded, the fifth pin of the chip U11 is electrically connected to one end of the resistor R35, the sixth pin of the chip U11 is electrically connected to one end of the resistor R34, the seventh pin of the chip U11 is electrically connected to one end of the capacitor C16 and the seventh pin of the chip U11 and one end of the capacitor C16 are both grounded, the eighth pin of the chip U11 is electrically connected to the other end of the capacitor C16, the other end of the resistor R34 and the other end of the resistor R35 respectively, and the eighth pin of the chip U11, the other end of the capacitor C16, the other end of the resistor R34 and the other end of the resistor R35 are all electrically connected to the power supply circuit.

6. The tension rod servo controller according to claim 1, characterized in that: The CAN circuit includes a resistor R36, a capacitor C17, a connector P3 and a chip U12, the chip U12 includes a first pin, a second pin, a third pin, a fourth pin and a fifth pin, the connector P3 includes a first pin and a second pin; the first pin of the chip U12 and the fifth pin of the chip U12 are both grounded, the second pin of the chip U12 is electrically connected to one end of the capacitor C17 and the second pin of the chip U12 and one end of the capacitor C17 are both electrically connected to the power supply circuit, the other end of the capacitor C17 is grounded, the fourth pin of the chip U12 is respectively electrically connected to one end of the resistor R36 and the first pin of the connector P3, and the fifth pin of the chip U12 is respectively electrically connected to the other end of the resistor R36 and the second pin of the connector P3.

7. The tension rod servo controller according to claim 1, characterized in that: The serial circuit includes a resistor R37 and a chip U13, and the chip U13 includes a first pin, a second pin, a third pin, a fourth pin and a fifth pin; the first pin of the chip U13 is electrically connected to one end of the resistor R37 and the main control circuit respectively, the second pin of the chip U13 is electrically connected to the other end of the resistor R37, the fourth pin of the chip U13 and the fifth pin of the chip U13 respectively, and the second pin of the chip U13, the other end of the resistor R37, the fourth pin of the chip U13 and the fifth pin of the chip U13 are all electrically connected to the power supply circuit, and the third pin of the chip U13 is grounded.

8. The tension rod servo controller according to claim 1, characterized in that: The sampling circuit includes a resistor R39, a variable resistor RP1 and a capacitor C18, one end of the resistor R39 is electrically connected to the first end of the variable resistor RP1, the other end of the resistor R39 is electrically connected to the main control circuit and one end of the capacitor C18 respectively, the other end of the capacitor C18 is electrically connected to the second end of the variable resistor RP1 and the other end of the capacitor C18 and the second end of the variable resistor RP1 are both grounded, and the third end of the variable resistor RP1 is electrically connected to the power supply circuit.

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