Aging equipment for electronic dobby electromagnet

An electronic multi-arm and aging equipment technology, applied in the direction of dobby, measuring electricity, measuring electrical variables, etc., can solve the problems of high failure rate of electromagnets, failure to restore working conditions, and large human factors, etc., to improve aging efficiency , avoid waste of equipment resources, and avoid uncontrollable effects

Pending Publication Date: 2020-05-08
常熟纺织机械厂有限公司
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AI-Extracted Technical Summary

Problems solved by technology

[0003] The previous electromagnet aging equipment was very simple. During the aging process of the electromagnet, the electromagnet coil could only be energized for a certain period of time, but its working state could not be obse...
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Method used

[0028] The heat dissipation mechanism includes a pair of fans 4, and the pair of fans 4 are located on two sides of the box body 13. The switching power supply 55 is electrically connected with a pair of fans 4 to supply power for the fans 4 . The fan 4...
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Abstract

The invention discloses aging equipment for an electronic dobby electromagnet, and belongs to the technical field of textile electrical control. The aging equipment comprises a workbench, electromagnet aging control panels, a monitoring mechanism and a heat dissipation mechanism, the workbench comprises a support, an oil tank and a box body. A plurality of electromagnet aging control panels are arranged; each electromagnet aging control panel correspondingly controls one electromagnet to be tested; the monitoring mechanism comprises a digital display ammeter, a digital display voltmeter, a temperature sensor and a temperature controller. The digital display ampere meter is used for detecting the current of each electromagnet coil to be detected, the digital display voltmeter is used for detecting the power supply voltage of each electromagnet to be detected, the temperature controller is used for displaying the oil temperature, and the temperature sensor is arranged in the oil tank, electrically connected with the temperature controller and used for monitoring the oil temperature. Multiple electromagnets can be subjected to simulated aging treatment at the same time, and the agingefficiency is high; and the time relay control circuit is adopted, so that the aging time can be set, the electromagnet can reach enough temperature, the aging performance is better, and the uncontrollability of manual timing can be avoided.

Application Domain

Technology Topic

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  • Aging equipment for electronic dobby electromagnet
  • Aging equipment for electronic dobby electromagnet
  • Aging equipment for electronic dobby electromagnet

Examples

  • Experimental program(1)

Example Embodiment

[0023] The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the description of the embodiments is not a limitation on the technical solution. Any changes in form but not in substance based on the concept of the present invention should be regarded as the protection scope of the present invention.
[0024] See Figure 1 to Figure 3 , An electronic dobby electromagnet aging equipment, including a workbench 1, an electromagnet aging control board 2, a monitoring mechanism, a power supply mechanism and a heat dissipation mechanism. The workbench 1 includes a bracket 11, an oil tank 12 and a box body 13. The bracket 11 is located at the bottom of the workbench 1, and the bracket 11 is provided with anchor bolts 111 on the four corners of the bottom. The fuel tank 12 is fixed to the middle of the bracket 11 by welding, and is used to simulate the real working environment of the electromagnet. The electromagnets to be tested are arranged in the fuel tank 12. The box body 13 is fixed above the bracket 11 by bolts. There are multiple electromagnet aging control boards 2, and each electromagnet aging control board 2 correspondingly controls one electromagnet to be tested, and provides current signals for the electromagnet coils. In this embodiment, twenty electromagnet aging control boards 2 are arranged, which are arranged in two rows at intervals on the side facing the operator in the working state of the box 13 to control the aging of twenty electromagnets at the same time. Each electromagnet aging control board 2 can control up to 24 electromagnet coils of one electromagnet.
[0025] The monitoring mechanism includes a plurality of digital display ammeters 31, a digital display voltmeter 32, a temperature sensor 33 and a thermostat 34, wherein the digital display ammeter 31 and the digital display voltmeter 32 adopt high-precision The 5-digit value shows that the temperature sensor 33 is a thermal resistance type, and the temperature controller 34 is a Delta DTA4848R0 type. The digital display ammeter 31, digital display voltmeter 32, and temperature controller 34 are also arranged on the side of the box 13 facing the operator in the working state. The number of digital display ammeters 31 is the same as that of the electromagnet aging control board 2, and a plurality of digital display ammeters 31 are respectively arranged corresponding to each electromagnet aging control board 2 to detect the current of each electromagnet coil to be tested. The digital display voltmeter 32 is used to detect the power supply voltage of the electromagnet to be tested. The temperature sensor 33 is arranged in the oil tank 12 and is electrically connected to the temperature controller 34. The temperature sensor 33 monitors the oil temperature, and the measured oil temperature is displayed by the temperature controller 34. Use the heat generated by the electromagnet to increase the oil temperature when the electromagnet is energized, check the heat and oil resistance of the electromagnet, and ensure that the state can be observed at any time during operation, which can avoid wasting equipment resources and further improve the aging effect.
[0026] See Figure 4 And combine figure 1 , figure 2 The power supply mechanism includes an on-off switch 51, a circuit breaker 52, an AC contactor 53, an adjustable regulated power supply 54, a switching power supply 55, a time relay 56 and a power indicator 57, wherein the circuit breaker 52 adopts 2PC16A, the AC contactor 53 adopts type LC1E1210M5N, the model of the adjustable regulated power supply 54 is DC0-30V/60A, and the switching power supply 55 adopts DC24V2A. The on-off switch 51 is installed on the left side of the box 13, and the power indicator light 57 is set in the middle of the side facing the operator in the working state of the box 13. The circuit breaker 52, the AC contactor 53, the adjustable stabilized power supply 54, the switching power supply 55, and the time relay 56 are arranged inside the box 13. The power source side of the circuit breaker 52 is electrically connected to the AC220V AC power source, the load side of the circuit breaker 52 is electrically connected to the power inlet side of the on-off switch 51, and the power outlet side of the on-off switch 51 is respectively connected to the AC contactor 53 coil And the incoming end of the contact is connected, and the outgoing end of the contact of the AC contactor 53 is connected to the power indicator 57, the coil of the time relay 56, the switching power supply 55, and the temperature controller 34. One end of the contact of the time relay 56 is connected to the outlet end of the contact of the AC contactor 53 and the other end of the contact of the time relay 56 is connected to the input side of the adjustable stabilized power supply 54. Close the on-off switch 51, turn on the circuit breaker 52, the power indicator 57 lights up, the coil of the AC contactor 53 is energized, the coil of the time relay 56 is energized, the switching power supply 55 and the thermostat 34 are energized, and the time relay The contact of 56 is closed, and AC220V is supplied to the adjustable regulated power supply 54. The output side of the adjustable regulated power supply 54 is electrically connected with twenty electromagnet aging control boards 2 to supply power to each electromagnet aging control board 2 at the same time. The time relay 56 is connected behind the AC contactor 53 and in front of the adjustable stabilized power supply 54, and the time is adjustable from 0 to 2H. After the AC contactor 53 is closed, the coil of the time relay 56 is energized and the contacts are closed. The adjustable stabilized power supply 54 is energized. When the set time is reached, the time relay 56 will act, the contacts will open, the voltage output to the adjustable stabilized power supply 54 will be cut off, the electromagnet will lose power, and the aging process will end. By adopting the time relay 56 control circuit, the aging time can be set, so that the electromagnet reaches a sufficient temperature, the aging performance is better, and the uncontrollability of artificial timing can also be avoided. The adjustable regulated power supply 54 adopts a 30V60A high precision adjustable switching regulated power supply, which can ensure the stability of the working state. Its output voltage is 0V-30V, and the load voltage can be adjusted between 0V-30V. The load voltage value can also simulate the electromagnet in a variety of voltage states. In addition, the working voltage of the electromagnet is 24V, and the adjustable regulated power supply 54 increases the aging voltage by about 20% when aging, which can make the aging electromagnet more overload performance and improve the reliability of aging. The digital display voltmeter 32 is connected in parallel with the output side of the adjustable regulated power supply 54.
[0027] See Figure 5 with Image 6 The electromagnet aging control board 2 is provided with an electromagnet socket 21 for connecting the electromagnet to be tested, a power socket 22 electrically connected with the electromagnet socket 21 to supply power to the electromagnet coil to be tested, and a plurality of power sockets for indicating The power of each electromagnet to be tested is connected to the electromagnet indicator 23 of the aging condition. Such as Image 6 As shown, the electromagnet socket 21 can connect up to twenty-four electromagnet coils, and the electromagnet indicator light 23 indicates twenty-four circuits. The electromagnet indicator 23 is also equipped with a self-recovery fuse 24, a resistor 25 and a diode 26. The electromagnet socket 21 adopts a DB37 socket, and is inserted into the lead wire of the electromagnet to be tested. Whether each electromagnet coil on the aging control board 2 of each electromagnet is normal is indicated by the electromagnet indicator light 23. The power socket 22 is electrically connected to the output side of the adjustable stabilized power supply 54 to provide a stable power supply for the electromagnet coil. When the power is turned on, the voltage formula of the series circuit shows that the total circuit voltage V=V1+V2, where V1 is the voltage on the resistor 25, V2 is the solenoid coil voltage, and V is the power supply to the solenoid aging control board 2. Voltage, that is, the output voltage of the adjustable regulated power supply 54, according to Ohm’s law I=V/R=V/(R1+R2), R1 is the resistance of resistor 25, here is 15Ω, R2 is electromagnetic The resistance of the iron coil is 250Ω and V is set to 24V. From this, it can be calculated that I=24/265≈0.091A, and the voltage on resistor 25 is V1≈I*R1=1.36V. Since the electromagnet indicator light 23 is connected in parallel with the resistor 25, the voltage at both ends of the resistor 25 will be applied to the electromagnet indicator light 23 at the same time, so that the electromagnet indicator light 23 is lit. As time goes by, the heating of the solenoid coil will gradually increase the resistance of the coil, the voltage on the resistor 25 will decrease accordingly, and the solenoid indicator light 23 will gradually dim. In a normal aging process, the solenoid The indicator light 23 will always be in a dim state. If the indicator 23 of a certain electromagnet does not light up after power-on, it means that the coil of this electromagnet is an open circuit fault. If the indicator 23 of a certain electromagnet is very bright, but does not gradually dim and goes out for a while, it means that the electromagnet The iron coil is short-circuited. When the coil is short-circuited, the current at the moment of power-on will be very large, making the voltage loaded on the resistor 25 very large, and the voltage loaded on the electromagnet indicator light 23 is also very large, the electromagnet indicator light 23 will become very bright At this time, when the short-circuit current exceeds the limit current of the self-recovery fuse 24, the self-recovery fuse 24 works, that is, the self-recovery fuse 24 is disconnected, the circuit is in an open state, and the electromagnet indicator light 23 is extinguished. The self-recovery fuse adopts SMD1812 type. After the circuit is disconnected, the current in the line decreases, and the self-recovery fuse 24 will return to the initial state. The function of the self-recovery fuse 24 is to cut off the circuit when the solenoid coil is short-circuited, and protect the solenoid indicator 23 and resistor 25 on the solenoid aging control board 2 from being damaged by working under high current for a long time, thereby extending the solenoid The service life of the aging control board 2. The diode 26 is connected in parallel with the electromagnet indicator 23, the anode of the diode 26 is connected with the cathode of the electromagnet indicator 23, and the cathode of the diode 26 is connected with the anode of the electromagnet indicator 23. Due to the unidirectional conductivity of the diode, when When the positive and negative poles of the power supply are connected reversely, the loop current flows through the diode 26 instead of the electromagnet indicator light 23, which can protect the electromagnet indicator light 23 from being burnt out. The digital display ammeter 31 is connected in series in the connection loop between the power socket 22 and the adjustable stabilized power supply 54, and at the same time, the coil in each electromagnet is monitored for current during operation, thereby ensuring the status of the operation. Be aware at any time to avoid waste of equipment resources, which can further improve the aging efficiency.
[0028] The heat dissipation mechanism includes a pair of fans 4, and the pair of fans 4 are separately arranged on two sides of the box 13. The switching power supply 55 is electrically connected to a pair of fans 4 to supply power to the fans 4. The fan 4 uses 24V 0.6A, and the terminals of a pair of fans 4 are commonly connected to the output terminal of the switching power supply 55. The fan 4 can effectively dissipate the components in the box 13 and improve the service life of the equipment.
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Description & Claims & Application Information

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the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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