An electronic multi-arm misalignment automatic stop alarm device

Abstract

An electronic multi-arm misalignment automatic stop alarm device, in the field of textile electrical control technology. It includes an electronic multi-arm misalignment alarm module and a sensor detection module. The electronic multi-arm misalignment alarm module is installed on the outside of the electronic multi-arm machine base, including a CPLD logic circuit, a system reset circuit, a C1C2 signal input circuit, an electromagnet drive circuit, a sensor signal input circuit and an alarm stop relay signal output circuit. The sensor signal input circuit is connected to the sensor detection module. The sensor detection module includes a Hall sensor H1. The Hall sensor H1 cooperates with the magnetic steel to detect the multi-arm harness connecting rod signal. The Hall sensor H1 is installed in the electronic multi-arm connecting rod channel steel and is located above the electronic multi-arm harness connecting rod. Advantages: It can immediately notify the loom to stop when an error occurs in the multi-arm harness, so that the loom operator can remove the wrong weft yarn in time, solve the cloth surface problem in a very short time, and greatly improve the cloth surface quality and weaving work efficiency.

Description

Technical Field

[0001] The invention belongs to the technical field of textile electrical control, and in particular relates to an electronic multi-arm staggered pattern automatic stop alarm device. Background Art

[0002] Electronic dobby shedding devices are widely used in the textile field due to their high speed, stability and diverse weaving characteristics. In the electronic dobby shedding device, the electronic dobby controller sends a signal to the dobby electromagnet, and the actuator acts based on the electromagnet signal to achieve the lifting and lowering of the heald frame to complete fabric weaving.

[0003] With the continuous improvement of the performance of domestic high-speed looms, existing looms usually run at high speed 24 hours a day, 365 days a year. The electronic multi-arm lifting action that controls the upper and lower openings of the warp yarns operates about 200 million times a year, and the number of warp yarns hung on each lifting arm during operation is different, which will cause the electronic multi-arm to be unable to work in a balanced manner. This high-intensity, long-term continuous unbalanced operation will inevitably cause wear of parts, and even in the early stages of wear of parts, there will occasionally be errors in the lifting action of a piece, resulting in defects on the cloth surface.

[0004] In the production workshop, a loom operator needs to watch over multiple looms. When the multi-arm loom occasionally makes a mistake in lifting the heald, the loom will not stop automatically as long as the weft insertion of the loom is normal and there is no warp breakage. Therefore, when the mistake is discovered, a lot of cloth has been woven. At this time, it is time-consuming and laborious to remove the cloth through the loom to find the weft, which affects the weaving efficiency and construction period. If the cloth is not removed, it will affect the quality of the cloth surface. In serious cases, it will cause the entire batch of cloth to be scrapped, causing huge losses to users. If the loom can be notified to stop immediately when a mistake occurs in the multi-arm heald lifting, and the loom operator can remove the wrong weft yarn in time, the cloth surface problem can be solved in a very short time, greatly improving the cloth surface quality and weaving work efficiency, and reducing unnecessary losses. To this end, the applicant has made a useful design, and the technical solution to be introduced below is produced under this background. Summary of the invention

[0005] The purpose of the present invention is to provide an electronic multi-arm misalignment automatic stop alarm device, which can facilitate workers to quickly troubleshoot problems and improve work efficiency when multi-arm heald lifting errors occur.

[0006] The object of the present invention is achieved in this way. An electronic multi-arm staggered flower automatic stop alarm device is characterized in that it comprises an electronic multi-arm staggered flower alarm module and a sensor detection module. The electronic multi-arm staggered flower alarm module is installed on the outer side of the end of the base of the electronic multi-arm machine, and comprises a CPLD logic circuit, a system reset circuit, a C1C2 signal input circuit, an electromagnet drive circuit, a sensor signal input circuit and an alarm parking relay signal output circuit. The system reset circuit, the C1C2 signal input circuit, the electromagnet drive circuit, the sensor signal input circuit and the alarm parking relay signal output circuit are respectively connected to the CPLD logic circuit, and the sensor signal input circuit is connected to the sensor detection module. The sensor detection module comprises a Hall sensor, and the Hall sensor cooperates with a magnetic steel to detect the multi-arm heald lifting connecting rod signal. The Hall sensor is installed in the connecting rod channel steel of the electronic multi-arm machine and is located above the multi-arm heald lifting connecting rod. The magnetic steel is adsorbed above the multi-arm heald lifting connecting rod and is aligned with the position of the Hall sensor.

[0007] In a specific embodiment of the present invention, the CPLD logic circuit includes a CPLD chip U1, a crystal oscillator circuit and a program download circuit. The CPLD chip U1 adopts ALTERA's MAX II series EMP570T100C5 chip, the crystal oscillator circuit includes a crystal oscillator Y1, a first capacitor C1, a first resistor R1 and a first interface JP1, pin 1 of the crystal oscillator Y1 is connected to one end of the first resistor R1, pin 3 of the crystal oscillator Y1 is connected to pins 1, 3, 5 and 7 of the first interface JP1, pin 2 of the first interface JP1 is connected to pin 14 of the CPLD chip U1, pin 4 of the first interface JP1 is connected to pin 12 of the CPLD chip U1, pin 6 of the first interface JP1 is connected to pin 62 of the CPLD chip U1, and pin 8 of the first interface JP1 is connected to pin 64 of the CPLD chip U1, the program download circuit includes a JTAG interface J, a second resistor R2, a third resistor R3, a fourth resistor R4 and a fifth resistor R5, pin 1 of the JTAG interface J and one end of the fifth resistor R1 are connected to pin 24 of the CPLD chip U1, pin 3 of the JTAG interface J is connected to pin 12 of the CPLD chip U1, pin 6 of the first interface JP1 is connected to pin 62 of the CPLD chip U1, and pin 8 of the first interface JP1 is connected to pin 64 of the CPLD chip U1. One end of the second resistor R2 is commonly connected to pin 25 of the CPLD chip U1, pin 5 of the JTAG interface J and one end of the third resistor R3 are commonly connected to pin 22 of the CPLD chip U1, pin 9 of the JTAG interface J and one end of the fourth resistor R4 are commonly connected to pin 23 of the CPLD chip U1, pin 4 of the crystal oscillator Y1, the other end of the first resistor R1, one end of the first capacitor C1, the other end of the second resistor R2, the other end of the third resistor R3, the other end of the fourth resistor R4, pin 4 of the JTAG interface J, and pins 9, 13, 31, 39, 45, 59, 63, 80, 88, and 94 of the CPLD chip U1 are commonly connected to a 3.3V DC power supply, and pin 2 of the crystal oscillator Y1, the other end of the first capacitor C1, pins 2 and 10 of the JTAG interface J, and pins 10, 11, 32, 39, 46, 60, 65, 79, 90, and 93 of the CPLD chip U1 are commonly grounded.

[0008] In another specific embodiment of the present invention, the system reset circuit includes a first plug J1, a first diode D1, a second diode D2, a third diode D3, a first light-emitting diode LED1, a first voltage-stabilizing diode ZD1, a second capacitor C2, a third capacitor C3, a fourth capacitor C4, a sixth resistor R6, a seventh resistor R7, a first reset switch S1, a second reset switch S2 and a first optical coupler TL1, wherein the first optical coupler TL1 adopts TLP521-1, the first plug J1 is a wiring plug, pin 1 of the first optical coupler TL1 is connected to one end of the second capacitor C2 and the positive electrode of the first voltage-stabilizing diode ZD1, and the other end of the second capacitor C2 is connected to pin 2 of the first optical coupler TL1, one end of the first reset switch S1, pin 2 of the first plug J1, the positive electrode of the first diode D1, the positive electrode of the second diode D2, and the third diode D3. The positive electrode of the first light-emitting diode LED1 and the negative electrode of the first diode D1, the negative electrode of the second diode D2 and the negative electrode of the third diode D3 are connected to the loom signal, the positive electrode of the first light-emitting diode LED1 is connected to one end of the sixth resistor R6, the 4th pin of the first optical coupler TL1 is connected to one end of the seventh resistor R7, one end of the third capacitor C3, one end of the second reset switch S2, and the positive electrode of the fourth capacitor C4, and are commonly connected to the CPLD logic circuit, the other end of the sixth resistor R6 and the negative electrode of the first voltage-stabilizing diode ZD1 are commonly connected to the +24V DC power supply, the other end of the seventh resistor R7 is connected to the +3.3V DC power supply, the other end of the first reset switch S1, the 1st pin of the first plug J1, the 3rd pin of the first optical coupler TL1, the other end of the third capacitor C3, the other end of the second reset switch S2 and the negative electrode of the fourth capacitor C4 are commonly grounded.

[0009] In another specific embodiment of the present invention, the C1C2 signal input circuit includes a second light-emitting diode LED2, a third light-emitting diode LED3, a fourth light-emitting diode LED4, an eighth resistor R8, a ninth resistor R9, a tenth resistor R10, an eleventh resistor R11, a twelfth resistor R12, a second optocoupler TL2 and a third optocoupler TL3, the second optocoupler TL2 and the third optocoupler TL3 adopt TLP521-1, pin 1 of the second optocoupler TL2 is connected to the cathode of the third light-emitting diode LED3, the anode of the third light-emitting diode LED3 is connected to one end of the eleventh resistor R11, pin 2 of the second optocoupler TL2 is connected to the C1 signal, pin 4 of the second optocoupler TL2 is connected to one end of the tenth resistor R10, pin 1 of the second optocoupler TL2 is connected to the cathode of the third light-emitting diode LED3, and the anode of the third light-emitting diode LED3 is connected One end of the eleventh resistor R11 and pin 1 of the third optocoupler TL3 are connected to the cathode of the fourth light-emitting diode LED4, the anode of the fourth light-emitting diode LED4 is connected to one end of the twelfth resistor R12, and pin 2 of the third optocoupler TL3 is connected to the C2 signal, the C1 and C2 signals are timing signals for the system operation, pin 4 of the third optocoupler TL3 is connected to one end of the ninth resistor R9, one end of the eighth resistor R8 is connected to the CPLD logic circuit, the other end of the eighth resistor R8 is connected to the cathode of the second light-emitting diode LED2, the anode of the second light-emitting diode LED2, the other end of the ninth resistor R9 and the other end of the tenth resistor R10 are commonly connected to a +3.3V DC power supply, the other end of the eleventh resistor R11 and the other end of the twelfth resistor R12 are commonly connected to a +24V DC power supply, and pin 3 of the second optocoupler TL2 and pin 3 of the third optocoupler TL3 are commonly grounded.

[0010] In another specific embodiment of the present invention, the electromagnet drive circuit includes a fourth optocoupler TL4, a drive chip U2, a thirteenth resistor R13, a fourteenth resistor R14, a fifteenth resistor R15, a sixteenth resistor R16 and a second voltage-stabilizing diode ZD2, the fourth optocoupler TL4 adopts TLP521-4, the drive chip U2 adopts ULN2803, pin 1 of the fourth optocoupler TL4 is connected to one end of the thirteenth resistor R13, the other end of the thirteenth resistor R13 is connected to the positive electrode of the second voltage-stabilizing diode ZD2, the 2nd pin of the fourth optocoupler TL4 is connected to the 3rd pin, and the 4th pin of the fourth optocoupler TL4 is connected to the multi-arm Controller, pin 14 of the fourth optocoupler TL4 is connected to one end of the fourteenth resistor R14, and are commonly connected to pin 83 of the CPLD logic circuit U1, pin 15 of the fourth optocoupler TL4 is connected to one end of the fifteenth resistor R15, and are commonly connected to pin 1 of the driving chip U2, pin 18 of the driving chip U2 is connected to the multi-arm electromagnet, pin 16 of the fourth optocoupler TL4 is connected to one end of the sixteenth resistor R16, the cathode of the second voltage zener diode ZD2 and the other end of the sixteenth resistor R16 are commonly connected to a +24V DC power supply, the other end of the fourteenth resistor R14 is connected to a +3.3V DC power supply, and the other end of the fifteenth resistor R15 is grounded.

[0011] In another specific embodiment of the present invention, the sensor signal input circuit includes a third voltage zener diode ZD3, a seventeenth resistor R17, an eighteenth resistor R18, a nineteenth resistor R19, a fifth capacitor C5 and a fifth optocoupler TL5, the fifth optocoupler TL5 adopts TLP281-4, pin 1 of the fifth optocoupler TL5 is connected to one end of the seventeenth resistor R17, the other end of the seventeenth resistor R17 is connected to the positive electrode of the third voltage zener diode ZD3, pin 2 of the fifth optocoupler TL5 receives the sensor signal, pin 16 of the fifth optocoupler TL5 is connected to one end of the eighteenth resistor R18 and one end of the nineteenth resistor R19, the other end of the nineteenth resistor R19 is connected to one end of the fifth capacitor C5 and is jointly connected to the first pin of the CPLD logic circuit U1, the cathode of the third voltage zener diode ZD3 is connected to a +24V DC power supply, the other end of the eighteenth resistor R18 is connected to a +3.3V DC power supply, and pin 15 of the fifth optocoupler TL5 and the other end of the fifth capacitor C5 are grounded together.

[0012] In a further specific embodiment of the present invention, the alarm parking relay signal output circuit includes a relay RLY1, a fourth diode D4, a fifth light-emitting diode LED5, a twentieth resistor R20, a twenty-first resistor R21, a twenty-second resistor R22 and a transistor Q1, one end of the twenty-first resistor R21 is connected to the CPLD logic circuit, the other end of the twenty-first resistor R21 is connected to one end of the twenty-second resistor R22 and the base of the transistor Q1, the collector of the transistor Q1 is connected to one end of the twentieth resistor R20, the positive electrode of the fourth diode D4 and one end of the coil of the relay RLY1, the other end of the twentieth resistor R20 is connected to the negative electrode of the fifth light-emitting diode LED5, the moving and static contacts of the relay RLY1 are connected to the loom, the positive electrode of the fifth light-emitting diode LED5, the negative electrode of the fourth diode D4 and the other end of the coil of the relay RLY1 are commonly connected to a +24V DC power supply, and the other end of the twenty-second resistor R22 and the emitter of the transistor Q1 are commonly grounded.

[0013] In a more specific embodiment of the present invention, it also includes an alarm indicator light circuit, which includes one multiple start indicator light, one less start indicator light and multiple error alarm indicator lights, and each error alarm indicator light corresponds to a multi-arm lifting connecting rod.

[0014] In yet another specific embodiment of the present invention, the sensor detection module also includes a sixth light-emitting diode LED6, a twenty-third resistor R23 and a twenty-fourth resistor R24, and the Hall sensor is a Hall sensor H1. The output end of the Hall sensor H1 is connected to the cathode of the sixth light-emitting diode LED6 and one end of the twenty-fourth resistor R24, and are jointly connected to the sensor signal input circuit of the electronic multi-arm misalignment alarm module. The anode of the sixth light-emitting diode LED6 is connected to one end of the twenty-third resistor R23, and the other end of the twenty-third resistor R23 and the positive power supply end of the Hall sensor H1 are jointly connected to a +24V DC power supply, and the negative power supply end of the Hall sensor H1 is grounded.

[0015] In yet another specific embodiment of the present invention, it also includes a power supply circuit, and the power supply circuit obtains a 24V power supply from the electronic multi-arm controller.

[0016] Due to the adoption of the above structure, the present invention has the following beneficial effects compared with the prior art: it can be used as an auxiliary device for the electronic multi-arm machine that has been in operation for many years, and can immediately notify the loom to stop when an error occurs in the multi-arm lifting, so that the loom operator can remove the wrong weft yarn in time, solve the cloth problem in a very short time, greatly improve the cloth quality and weaving efficiency, and reduce unnecessary losses; the internal C1C2 signal is used to make the detection system and the working timing of the electronic multi-arm controller completely synchronized to avoid false alarms; multiple electronic multi-arms can be detected at the same time to meet the use requirements of multi-arm machines with different numbers of pieces; the power supply circuit directly adopts the power supply of the multi-arm controller, so there is no need to install a power supply device, saving costs and making the installation very simple; the wrong flower alarm module is installed on the outer side of the end of the multi-arm machine base, and the height is set to be flush with the loom operator's line of sight, so that the staff can observe the status of the alarm indicator light conveniently. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is the electrical principle block diagram of the present invention.

[0018] Figure 2 The figure is a schematic diagram of the electrical connection of the CPLD logic circuit of the present invention.

[0019] Figure 3 It is a schematic diagram of electrical connection of the system reset circuit of the present invention.

[0020] Figure 4 This is a schematic diagram of the electrical connection of the C1C2 signal input circuit of the present invention.

[0021] Figure 5 It is a schematic diagram of electrical connection of the electromagnet drive circuit described in the present invention.

[0022] Figure 6 This is a schematic diagram of the electrical connection of the sensor signal input circuit of the present invention.

[0023] Figure 7 The figure is a schematic diagram of the electrical connection of the alarm parking relay signal output circuit of the present invention.

[0024] Figure 8 The figure is a schematic diagram of the electrical connection of the alarm indicator light circuit of the present invention.

[0025] Fig. 9 This is a schematic diagram of the electrical connection of the sensor detection circuit described in the present invention.

[0026] Fig.10 It is a schematic diagram of electrical connection of the power supply circuit of the present invention.

[0027] Fig.11 The figure is a schematic diagram of the front panel of the electronic multi-arm misalignment alarm module of the present invention.

[0028] Fig.12 The figure is a schematic diagram of the rear panel of the electronic multi-arm misalignment alarm module of the present invention.

[0029] Fig.13 It is a schematic diagram of the sensor detection module of the present invention.

[0030] Fig.14 The figure is a schematic diagram of the installation of the electronic multi-arm misalignment alarm module described in the present invention.

[0031] Fig.15 This is a schematic diagram of the installation of the sensor detection module described in the present invention. DETAILED DESCRIPTION

[0032] The specific implementation modes of the present invention are described in detail below in conjunction with the accompanying drawings, but the description of the embodiments is not a limitation of the technical solution. Any changes in form rather than substance based on the concept of the present invention should be regarded as the protection scope of the present invention.

[0033] In the following description, all concepts related to directionality (or orientation) such as up, down, left, right, front and back are referring to the position state of the figure being described, and are intended to facilitate public understanding. Therefore, they should not be understood as special limitations on the technical solution provided by the present invention.

[0034] See also Figure 1 Combined with Figure 11 to Figure 15 The present invention relates to an electronic multi-arm misalignment automatic stop alarm device, which is used as an auxiliary device of the electronic multi-arm device and is used to detect signals between the original electronic multi-arm controller and the multi-arm electromagnet. The electronic multi-arm misalignment automatic stop alarm device comprises an electronic multi-arm misalignment alarm module 1 and a sensor detection module 2. The electronic multi-arm misalignment alarm module 1 is installed on the outer side of the end of the base 31 of the electronic multi-arm machine 3. Its shell is integrally formed of aluminum alloy profiles and has a front panel 11 and a rear panel 12, such as Fig.11 and Fig.12 As shown. The electronic multi-arm staggered pattern alarm module 1 includes a CPLD logic circuit, a system reset circuit, a C1C2 signal input circuit, an electromagnet drive circuit, a sensor signal input circuit, an alarm parking relay signal output circuit and an alarm indicator light circuit. The sensor detection module 2 includes a Hall sensor 21, which cooperates with the magnetic steel 4 to detect the multi-arm lifting connecting rod signal.

[0035] Specifically, the base 31 of the electronic multi-arm machine 3 supports the connecting rod channel steel 32, and the multi-arm heald connecting rod 33 is arranged in the connecting rod channel steel 32. A pair of mounting plates 321 are arranged face to face on the inner side of the two side walls of the connecting rod channel steel 32, and a mounting frame 322 is arranged between the pair of mounting plates 321. The two ends of the mounting frame 322 in the length direction are provided with fixing strips 323, and the fixing strip 323 is provided with a slot 3231 in the height direction, and the two ends of the sensor detection module 2 are clamped in the slot 3231.

[0036] The Hall sensor 21 is installed in the connecting rod channel steel 32 and is located above the multi-arm heald lifting connecting rod 33. The magnetic steel 4 is adsorbed above the multi-arm heald lifting connecting rod 33 and is aligned with the position of the Hall sensor 21.

[0037] When the electronic multi-arm machine 3 turns to the heald leveling area, the electronic multi-arm controller sends a pattern signal to the CPLD logic circuit of the electronic multi-arm staggered pattern alarm module 1 for caching, and at the same time, the electromagnet drives the multi-arm mechanism to move through the electromagnet drive circuit. When the multi-arm machine turns to the maximum opening, the sensor detection module 2 detects the position signal of the multi-arm heald lifting connecting rod 33, and performs a logical operation with the pattern signal previously cached in the CPLD logic circuit. When the pattern signal of a certain road is inconsistent with the detected position signal of the multi-arm heald lifting connecting rod 33, the alarm stop relay signal output circuit sends an alarm interlock signal to the loom, so that the loom can stop in time, and the alarm lights of the corresponding channels are lit, and the alarm indicator lights of the heald frames that are too many or too few are lit at the same time, which is convenient for the staff to conduct targeted inspections. The present invention can simultaneously detect twenty electronic multi-arms, and adapt to the use requirements of multi-arm machines with different numbers of pieces.

[0038] See also Figure 2, the CPLD logic circuit includes a CPLD chip U1, a crystal oscillator circuit and a program download circuit. The CPLD chip U1 adopts the EMP570T100C5 chip of the MAX II series of ALTERA. The crystal oscillator circuit includes a crystal oscillator Y1, a first capacitor C1, a first resistor R1 and a first interface JP1, and the crystal oscillator Y1 is preferably 50MHz. Pin 1 of the crystal oscillator Y1 is connected to one end of the first resistor R1, pin 3 of the crystal oscillator Y1 is connected to pins 1, 3, 5 and 7 of the first interface JP1, pin 2 of the first interface JP1 is connected to pin 14 of the CPLD chip U1, pin 4 of the first interface JP1 is connected to pin 12 of the CPLD chip U1, pin 6 of the first interface JP1 is connected to pin 62 of the CPLD chip U1, and pin 8 of the first interface JP1 is connected to pin 64 of the CPLD chip U1. The program download circuit adopts JTAG download, including a JTAG interface J, a second resistor R2, a third resistor R3, a fourth resistor R4 and a fifth resistor R5. Pin 1 of the JTAG interface J and one end of the fifth resistor R1 are commonly connected to pin 24 of the CPLD chip U1, pin 3 of the JTAG interface J and one end of the second resistor R2 are commonly connected to pin 25 of the CPLD chip U1, pin 5 of the JTAG interface J and one end of the third resistor R3 are commonly connected to pin 22 of the CPLD chip U1, and pin 9 of the JTAG interface J and one end of the fourth resistor R4 are commonly connected to pin 23 of the CPLD chip U1.

[0039] See also Figure 3 The system reset circuit includes a second plug J2, a first plug J1, a first diode D1, a second diode D2, a third diode D3, a first light emitting diode LED1, a first voltage stabilizing diode ZD1, a second capacitor C2, a third capacitor C3, a fourth capacitor C4, a sixth resistor R6, a seventh resistor R7, a first reset switch S1, a second reset switch S2 and a first optical coupler TL1. The first optical coupler TL1 adopts TLP521-1. The second plug J2 and the first plug J1 are wiring plugs. The first reset switch S1 ( Fig.11 111) is set on the front panel 11 of the electronic multi-arm mismatch alarm module 1, press the first reset switch S1, and output a low-level signal to the reset pin (pin 27) of the CPLD chip U1 through optical coupling isolation and filtering to reset the system. At this time, all alarm signals of the electronic multi-arm mismatch alarm module 1, that is, all alarm indicators, are off. The system reset circuit can also place the first reset switch S1 in other positions through the first plug J1 to facilitate personnel operation. Here, the first plug J1 ( Fig.11112 on the multi-arm) is set on the front panel 11 of the electronic multi-arm misalignment alarm module 1. The system reset circuit is connected to the loom signal through the second plug J2, and the loom signal is mainly the reversing signal of the loom. The loom stops at the flat section and then reverses. At this time, since the current pattern data has been cached in the CPLD chip U1, when reversing to the maximum opening of the multi-arm, the connecting rod signal still executes the signal action of the previous weft, making the connecting rod signal detected by the sensor detection module 2 inconsistent with the cached pattern signal. Therefore, when the loom reverses, the CPLD chip U1 must be reset first to clear the cache. The second plug J2 ( Fig.12 121) is set on the rear panel 12 of the electronic multi-arm misalignment alarm module 1, and the loom reversing signal is also transmitted to the reset pin of the CPLD chip U1 after being isolated and filtered by an optical coupler. The second reset switch S2 is used to reset the system of the electronic multi-arm misalignment alarm module 1 during the power-on debugging stage, which is convenient for operation and is set near the CPLD chip U1.

[0040] See also Figure 4 The C1C2 signal input circuit includes a second light-emitting diode LED2, a third light-emitting diode LED3, a fourth light-emitting diode LED4, an eighth resistor R8, a ninth resistor R9, a tenth resistor R10, an eleventh resistor R11, a twelfth resistor R12, a second optical coupler TL2 and a third optical coupler TL3. The second optical coupler TL2 and the third optical coupler TL3 use TLP521-1. Pin 2 of the second optical coupler TL2 is connected to the C1 signal, and pin 2 of the third optical coupler TL3 is connected to the C2 signal. The C1 and C2 signals are timing signals for the system operation and are connected through the electromagnet drive circuit. The second light-emitting diode LED2, the third light-emitting diode LED3 and the fourth light-emitting diode LED4 are arranged on the front panel 11 of the electronic multi-arm misalignment alarm module 1, wherein the second light-emitting diode LED2 is a debugging indicator light ( Fig.11 113 on the top), the third light emitting diode LED3 is the C1 signal indicator ( Fig.11 114 on the top), the fourth light emitting diode LED4 is the C2 signal indicator ( Fig.11115 on the top). The use of internal C1C2 signals can make the misalignment alarm system and the working sequence of the electronic multi-arm controller completely synchronized to avoid false alarms. When the C1 signal is high and the C2 signal is low, the third light-emitting diode LED3 is off, the fourth light-emitting diode LED4 is on, and the multi-arm machine is in the flat position area. At this time, the pattern signal of the electronic multi-arm controller is sent to the electronic multi-arm misalignment alarm module 1, and the pattern signal is cached in the CPLD chip U1. When the C1 signal is low and C2 is high, the third light-emitting diode LED3 is on, the fourth light-emitting diode LED4 is off, the multi-arm machine is in the maximum opening position, and the second light-emitting diode LED2 is on. At this time, the system logically compares the connecting rod position signal measured by the sensor detection module 2 with the pattern signal input by the multi-arm controller.

[0041] See also Figure 5 The electromagnet driving circuit includes a fourth optical coupler TL4, a driving chip U2, a third plug J3, a fourth plug J4, a thirteenth resistor R13, a fourteenth resistor R14, a fifteenth resistor R15, a sixteenth resistor R16 and a second voltage stabilizing diode ZD2. The fourth optical coupler TL4 adopts TLP521-4, the driving chip U2 adopts ULN2803, and the third plug J3 ( Fig.12 122) and the fourth plug J4 ( Fig.12 123) is a DB37 plug, which is set on the rear panel 12 of the electronic multi-arm misalignment alarm module 1. The C1 and C2 signals are connected through the fourth plug J4, and then transmitted to the electronic multi-arm controller through the third plug J3. The 4th pin of the fourth optical coupler TL4 is connected to the 1st pin of the third plug J3, the 14th pin of the fourth optical coupler TL4 is connected to one end of the fourteenth resistor R14, and they are connected together to the CPLD logic circuit, the 15th pin of the fourth optical coupler TL4 is connected to one end of the fifteenth resistor R15, and they are connected together to the 1st pin of the driver chip U2, the 18th pin of the driver chip U2 is connected to the 1st pin of the fourth plug J4, and the 16th pin of the fourth optical coupler TL4 is connected to one end of the sixteenth resistor R16. The above constitutes one electromagnet drive circuit, and in actual application, ten fourth optical couplers TL4 and three driver chips U2 constitute twenty circuits, which can simultaneously detect twenty electronic multi-arms, and meet the use requirements of multi-arm machines with different numbers of chips. The pattern signal is input from the electronic multi-arm controller through the third plug J3, and is divided into two paths after being isolated by the optical coupler. One signal is transmitted to the multi-arm electromagnet through the fourth plug J4 through the driver chip U2 to drive the multi-arm mechanism to move; the other signal is transmitted to the IO pin (pin 83) of the CPLD chip U1. This signal and the connecting rod position signal measured by the sensor detection module 2 are logically processed and calculated by the CPLD chip U1 to determine whether the multi-arm operation is wrong.

[0042] See also Figure 6In this embodiment, the sensor signal input circuit also has 20 channels, which are connected to the sensor signal through a first socket J5. The first socket J5 ( Fig.12 124) is a DC34 horn socket, which is set on the rear panel 12 of the electronic multi-arm mismatch alarm module 1. Take one line as an example, including the third voltage stabilizing diode ZD3, the seventeenth resistor R17, the eighteenth resistor R18, the nineteenth resistor R19, the fifth capacitor C5 and the fifth optical coupler TL5, and the fifth optical coupler TL5 adopts TLP281-4. After the sensor signal is connected, it is isolated by the optical coupler and then transmitted to the 1st pin of the CPLD chip U1.

[0043] See also Figure 7 , the alarm parking relay signal output circuit includes relay RLY1, a fourth diode D4, a fifth light-emitting diode LED5, a twentieth resistor R20, a twenty-first resistor R21, a twenty-second resistor R22 and a transistor Q1, one end of the twenty-first resistor R21 is connected to the 26th pin of the CPLD chip U1. Transistor Q1 adopts S8050 transistor, which is used as a signal amplifier to drive relay RLY1 to operate. When the lifting error occurs, the CPLD chip U1 outputs a low-level signal, which is amplified by transistor Q1. The collector of transistor Q1 is connected to the coil of relay RLY1, so that the coil of relay RLY1 is energized, the relay contact is operated, and the fifth light-emitting diode LED5 is lit at the same time. The fifth light-emitting diode LED5 is a chain alarm indicator. The relay contact signal is transmitted to the loom through a four-pin second socket J6, and the loom can stop in time when it receives this stop signal. The second socket J6 ( Fig.12 125) is located on the rear panel 12 of the electronic multi-arm misalignment alarm module 1. The fifth light emitting diode LED5 ( Fig.11 116) on the front panel 11 of the electronic multi-arm misalignment alarm module 1.

[0044] See also Figure 8, the present invention also includes an alarm indicator light circuit, the alarm indicator light circuit includes one multiple-starting indicator light, one insufficient-starting indicator light and multiple error alarm indicator lights, each error alarm indicator light corresponds to a multi-arm lifting connecting rod 33. In this embodiment, there are twenty error alarm indicator lights, two of which are shown in the figure, namely the eighth light emitting diode LED8 and the ninth light emitting diode LED9. In addition, the tenth light emitting diode LED10 is a multiple-starting indicator light, and the eleventh light emitting diode LED11 is a insufficient-starting indicator light. Each indicator light is connected to the IO pin of the CPLD chip U1 through a resistor. When the lifting action goes wrong, the CPLD chip U1 outputs a low-level signal, and the corresponding alarm indicator light is lit. At the same time, one of the multiple alarm indicator lights or the insufficient-starting alarm indicator lights is lit, indicating that the reason for the error in this lifting action is multiple-starting or insufficient-starting. The error alarm indicator light ( Fig.11 117 on the phone), multiple alarm indicators ( Fig.11 118 on the Fig.11 119) is arranged on the front panel 11 of the electronic multi-arm misalignment alarm module 1.

[0045] See also Fig. 9 The sensor detection module 2 includes a sixth light emitting diode LED6, a twenty-third resistor R23, a twenty-fourth resistor R24 ​​and a Hall sensor H1 ( Fig.13 21 on the top), the Hall sensor H1 adopts the A3144 unipolar switch type, which only senses the South Pole magnetic field and outputs a square wave. It cooperates with the magnetic steel to detect the multi-arm shedding connecting rod signal. The Hall sensor H1 is installed in the connecting rod channel steel 32 of the electronic multi-arm machine 3 and is located above the multi-arm shedding connecting rod 33. The magnetic steel 4 is magnetically adsorbed on the top of the multi-arm shedding connecting rod 33 and aligned with the position of the Hall sensor H1, and the south pole of the magnetic steel 4 faces upward. When the multi-arm drives the multi-arm shedding connecting rod 33 to move, the magnetic steel 4 approaches the Hall sensor H1, and the Hall sensor H1 produces a Hall effect and outputs a low-level signal; when it is away from the Hall sensor H1, it outputs a high-level signal. The magnetic steel 4 and the multi-arm shedding connecting rod 33 are glued together to prevent the position of the magnetic steel 4 from moving during the weaving movement, causing errors in the detection. Two DC34 horn sockets are set on the sensor detection module 2, which are the third socket J7 ( Fig.13 22) and the fourth socket J8 ( Fig.1323 on the electronic multi-arm staggered alarm module 1), connected to the first socket J5 of the sensor signal input circuit on the electronic multi-arm staggered alarm module 1 through a data line, which is characterized in that when the first Hall sensor H1 on the right is used to measure the first multi-arm heald lifting connecting rod 33, the data line is plugged into the fourth socket J8, and when the first Hall sensor H1 on the left is used to measure the first multi-arm heald lifting connecting rod 33, the data line is plugged into the third socket J7, which can meet the detection needs of left-hand and right-hand electronic multi-arm machines. The spacing of the Hall sensor H1 is the same as the spacing of the multi-arm heald lifting connecting rod 33, thereby ensuring the accuracy of the measurement.

[0046] See also Fig.10 The present invention also includes a power supply circuit, including a sixth capacitor C6, a seventh capacitor C7, an eighth capacitor C8, a ninth capacitor C9, a tenth capacitor C10, an eleventh capacitor C11, a twelfth capacitor C12, a thirtieth resistor R30, a thirty-first resistor R31, a thirty-second resistor R32, a fifth diode D5, a twelfth light-emitting diode LED12, a thirteenth light-emitting diode LED13, a fourteenth light-emitting diode LED14, a first power supply chip U3 and a second power supply chip U4, wherein the first power supply chip U3 adopts LM2575T-5.0, and the second power supply chip U4 adopts AS1117-3.3. The DC24V power supply adopts the DC24V power supply of the multi-arm controller, and then generates a DC5V voltage through the first power supply chip U3, and the DC5V voltage generates a DC3.3V voltage through the second power supply chip U4, which is the power supply voltage of the CPLD system. The power supply circuit supplies power to the electronic multi-arm mismatch alarm module 1 through the third plug J3, and then supplies power to the sensor detection module 2 through the first socket J5. When the power of the electronic multi-arm controller is turned on, that is, the electronic multi-arm misalignment alarm module 1 and the sensor detection module 2 are powered on at the same time, the power indicator of the electronic multi-arm misalignment alarm module 1, that is, the fourteenth light-emitting diode LED14 ( Fig.11 110) on the sensor detection module 2 is lit, and the power indicator light, i.e., the seventh light emitting diode LED7 ( Fig.13 24) on the electronic multi-arm error alarm module 1 is lit. The power indicator light is located on the front panel 11 of the electronic multi-arm error alarm module 1. The multi-arm controller's power supply is used so that the multi-arm error alarm device does not need to install a power supply device, saving costs and making installation easier. In addition, an external power supply interface 126 is also provided on the rear panel 12 of the electronic multi-arm error alarm module 1 to facilitate the maintenance and debugging of the module.

Claims

1. An electronic multi-arm misalignment automatic stop alarm device, characterized in that: The invention comprises an electronic multi-arm misalignment alarm module (1) and a sensor detection module (2). The electronic multi-arm misalignment alarm module (1) is installed on the outer side of the end of a machine base (31) of an electronic multi-arm machine (3), and comprises a CPLD logic circuit, a system reset circuit, a C1C2 signal input circuit, an electromagnet drive circuit, a sensor signal input circuit, and an alarm parking relay signal output circuit. The system reset circuit, the C1C2 signal input circuit, the electromagnet drive circuit, the sensor signal input circuit, and the alarm parking relay signal output circuit are respectively connected to the CPLD logic circuit, the sensor signal input circuit is connected to the sensor detection module (2), and the sensor detection module (2) comprises The invention comprises a Hall sensor (21), the Hall sensor (21) cooperates with a magnetic steel (4) to detect a signal of a multi-arm shearling connecting rod, the Hall sensor (21) is installed in a connecting rod channel steel (32) of an electronic multi-arm machine (3) and is located above the multi-arm shearling connecting rod (33), the magnetic steel (4) is adsorbed above the multi-arm shearling connecting rod (33) and is aligned with the position of the Hall sensor (21), and the system reset circuit comprises a first plug J1, a first diode D1, a second diode D2, a third diode D3, a first light emitting diode LED1, a first voltage stabilizing diode ZD1, a second capacitor C2, a third capacitor C3, a fourth capacitor C4, a sixth resistor R6, and a seventh resistor R7 , a first reset switch S1, a second reset switch S2 and a first optical coupler TL1, wherein the first optical coupler TL1 adopts TLP521-1, the first plug J1 is a wiring plug, pin 1 of the first optical coupler TL1 is connected to one end of the second capacitor C2 and the positive electrode of the first voltage regulator diode ZD1, the other end of the second capacitor C2 is connected to pin 2 of the first optical coupler TL1, one end of the first reset switch S1, pin 2 of the first plug J1, the positive electrode of the first diode D1, the positive electrode of the second diode D2, the positive electrode of the third diode D3 and the negative electrode of the first light-emitting diode LED1, the negative electrode of the first diode D1, the negative electrode of the second diode D2 and the negative electrode of the third diode D3 are connected to the loom signal, The anode of the first light emitting diode LED1 is connected to one end of the sixth resistor R6, the 4th pin of the first optical coupler TL1 is connected to one end of the seventh resistor R7, one end of the third capacitor C3, one end of the second reset switch S2, and the anode of the fourth capacitor C4, and are connected together to the CPLD logic circuit, the other end of the sixth resistor R6 and the cathode of the first voltage stabilizing diode ZD1 are connected together to a +24V DC power supply, the other end of the seventh resistor R7 is connected to a +3.3V DC power supply, the other end of the first reset switch S1, the 1st pin of the first plug J1, the 3rd pin of the first optical coupler TL1, the other end of the third capacitor C3, the other end of the second reset switch S2, and the cathode of the fourth capacitor C4 are grounded together.

2. The electronic multi-arm misalignment automatic stop alarm device according to claim 1, characterized in that The CPLD logic circuit includes a CPLD chip U1, a crystal oscillator circuit and a program download circuit. The CPLD chip U1 adopts the MAX II series EMP570T100C5 chip, the crystal oscillator circuit includes a crystal oscillator Y1, a first capacitor C1, a first resistor R1 and a first interface JP1, pin 1 of the crystal oscillator Y1 is connected to one end of the first resistor R1, pin 3 of the crystal oscillator Y1 is connected to pins 1, 3, 5 and 7 of the first interface JP1, pin 2 of the first interface JP1 is connected to pin 14 of the CPLD chip U1, pin 4 of the first interface JP1 is connected to pin 12 of the CPLD chip U1, pin 6 of the first interface JP1 is connected to pin 62 of the CPLD chip U1, and pin 8 of the first interface JP1 is connected to pin 64 of the CPLD chip U1, the program download circuit includes a JTAG interface J, a second resistor R2, a third resistor R3, a fourth resistor R4 and a fifth resistor R5, pin 1 of the JTAG interface J and one end of the fifth resistor R1 are connected to pin 24 of the CPLD chip U1, pin 3 of the JTAG interface J is connected to pin 12 of the CPLD chip U1, pin 6 of the first interface JP1 is connected to pin 62 of the CPLD chip U1, and pin 8 of the first interface JP1 is connected to pin 64 of the CPLD chip U1. One end of the second resistor R2 is commonly connected to pin 25 of the CPLD chip U1, pin 5 of the JTAG interface J and one end of the third resistor R3 are commonly connected to pin 22 of the CPLD chip U1, pin 9 of the JTAG interface J and one end of the fourth resistor R4 are commonly connected to pin 23 of the CPLD chip U1, pin 4 of the crystal oscillator Y1, the other end of the first resistor R1, one end of the first capacitor C1, the other end of the second resistor R2, the other end of the third resistor R3, the other end of the fourth resistor R4, pin 4 of the JTAG interface J, and pins 9, 13, 31, 39, 45, 59, 63, 80, 88, and 94 of the CPLD chip U1 are commonly connected to a 3.3V DC power supply, and pin 2 of the crystal oscillator Y1, the other end of the first capacitor C1, pins 2 and 10 of the JTAG interface J, and pins 10, 11, 32, 46, 60, 65, 79, 90, and 93 of the CPLD chip U1 are commonly grounded.

3. The electronic multi-arm misalignment automatic stop alarm device according to claim 1 is characterized in that The C1C2 signal input circuit includes a second light-emitting diode LED2, a third light-emitting diode LED3, a fourth light-emitting diode LED4, an eighth resistor R8, a ninth resistor R9, a tenth resistor R10, an eleventh resistor R11, a twelfth resistor R12, a second optocoupler TL2 and a third optocoupler TL3. The second optocoupler TL2 and the third optocoupler TL3 adopt TLP521-1. Pin 1 of the second optocoupler TL2 is connected to the cathode of the third light-emitting diode LED3, the anode of the third light-emitting diode LED3 is connected to one end of the eleventh resistor R11, pin 2 of the second optocoupler TL2 is connected to the C1 signal, pin 4 of the second optocoupler TL2 is connected to one end of the tenth resistor R10, and pin 1 of the third optocoupler TL3 is connected to the fourth light-emitting diode LED4. The cathode of the fourth light-emitting diode LED4 is connected to one end of the twelfth resistor R12, the 2nd pin of the third optical coupler TL3 is connected to the C2 signal, the C1 and C2 signals are timing signals for the system operation, the 4th pin of the third optical coupler TL3 is connected to one end of the ninth resistor R9, one end of the eighth resistor R8 is connected to the CPLD logic circuit, the other end of the eighth resistor R8 is connected to the cathode of the second light-emitting diode LED2, the anode of the second light-emitting diode LED2, the other end of the ninth resistor R9 and the other end of the tenth resistor R10 are commonly connected to a +3.3V DC power supply, the other end of the eleventh resistor R11 and the other end of the twelfth resistor R12 are commonly connected to a +24V DC power supply, and the 3rd pin of the second optical coupler TL2 and the 3rd pin of the third optical coupler TL3 are commonly grounded.

4. The electronic multi-arm misalignment automatic stop alarm device according to claim 1 is characterized in that The electromagnet driving circuit includes a fourth optical coupler TL4, a driving chip U2, a thirteenth resistor R13, a fourteenth resistor R14, a fifteenth resistor R15, a sixteenth resistor R16 and a second voltage-stabilizing diode ZD2. The fourth optical coupler TL4 adopts TLP521-4, the driving chip U2 adopts ULN2803, pin 1 of the fourth optical coupler TL4 is connected to one end of the thirteenth resistor R13, the other end of the thirteenth resistor R13 is connected to the positive electrode of the second voltage-stabilizing diode ZD2, pins 2 and 3 of the fourth optical coupler TL4 are connected, and pin 4 of the fourth optical coupler TL4 is connected to the multi-arm controller. Pin 14 of the fourth optocoupler TL4 is connected to one end of the fourteenth resistor R14 and are jointly connected to the CPLD logic circuit, pin 15 of the fourth optocoupler TL4 is connected to one end of the fifteenth resistor R15 and are jointly connected to pin 1 of the driving chip U2, pin 18 of the driving chip U2 is connected to the multi-arm electromagnet, pin 16 of the fourth optocoupler TL4 is connected to one end of the sixteenth resistor R16, the cathode of the second voltage zener diode ZD2 and the other end of the sixteenth resistor R16 are jointly connected to a +24V DC power supply, the other end of the fourteenth resistor R14 is connected to a +3.3V DC power supply, and the other end of the fifteenth resistor R15 is grounded.

5. The electronic multi-arm misalignment automatic stop alarm device according to claim 1 is characterized in that The sensor signal input circuit includes a third voltage zener diode ZD3, a seventeenth resistor R17, an eighteenth resistor R18, a nineteenth resistor R19, a fifth capacitor C5 and a fifth optocoupler TL5. The fifth optocoupler TL5 adopts TLP281-4. Pin 1 of the fifth optocoupler TL5 is connected to one end of the seventeenth resistor R17, and the other end of the seventeenth resistor R17 is connected to the positive electrode of the third voltage zener diode ZD3. Pin 2 of the fifth optocoupler TL5 receives the sensor signal. Pin 16 of the fifth optocoupler TL5 is connected to one end of the eighteenth resistor R18 and one end of the nineteenth resistor R19. The other end of the nineteenth resistor R19 is connected to one end of the fifth capacitor C5 and is jointly connected to the CPLD logic circuit. The cathode of the third voltage zener diode ZD3 is connected to a +24V DC power supply, the other end of the eighteenth resistor R18 is connected to a +3.3V DC power supply, and pin 15 of the fifth optocoupler TL5 and the other end of the fifth capacitor C5 are jointly grounded.

6. The electronic multi-arm misalignment automatic stop alarm device according to claim 1 is characterized in that The alarm parking relay signal output circuit includes a relay RLY1, a fourth diode D4, a fifth light-emitting diode LED5, a twentieth resistor R20, a twenty-first resistor R21, a twenty-second resistor R22 and a transistor Q1, one end of the twenty-first resistor R21 is connected to the CPLD logic circuit, the other end of the twenty-first resistor R21 is connected to one end of the twenty-second resistor R22 and the base of the transistor Q1, the collector of the transistor Q1 is connected to one end of the twentieth resistor R20, the positive electrode of the fourth diode D4 and one end of the coil of the relay RLY1, the other end of the twentieth resistor R20 is connected to the negative electrode of the fifth light-emitting diode LED5, the moving and static contacts of the relay RLY1 are connected to the loom, the positive electrode of the fifth light-emitting diode LED5, the negative electrode of the fourth diode D4 and the other end of the coil of the relay RLY1 are commonly connected to a +24V DC power supply, and the other end of the twenty-second resistor R22 and the emitter of the transistor Q1 are commonly grounded.

7. The electronic multi-arm misalignment automatic stop alarm device according to claim 1 is characterized in that The invention also comprises an alarm indicator light circuit, wherein the alarm indicator light circuit comprises a multiple start indicator light, a few start indicator lights and multiple error alarm indicator lights, each error alarm indicator light corresponding to a multi-arm lifting connecting rod (33).

8. The electronic multi-arm misalignment automatic stop alarm device according to claim 1 is characterized in that The sensor detection module (2) further comprises a sixth light emitting diode LED6, a twenty-third resistor R23 and a twenty-fourth resistor R24, the Hall sensor (21) is a Hall sensor H1, the output end of the Hall sensor H1 is connected to the cathode of the sixth light emitting diode LED6 and one end of the twenty-fourth resistor R24, and is connected together to the sensor signal input circuit of the electronic multi-arm misalignment alarm module (1), the anode of the sixth light emitting diode LED6 is connected to one end of the twenty-third resistor R23, the other end of the twenty-third resistor R23 and the positive power supply end of the Hall sensor H1 are connected together to a +24V DC power supply, and the negative power supply end of the Hall sensor H1 is grounded.

9. The electronic multi-arm misalignment automatic stop alarm device according to claim 1 is characterized in that It also includes a power supply circuit, which obtains a 24V power supply from an electronic multi-arm controller.

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