A device for detecting the end of a multi-strand copper wire and broken strands

Abstract

The utility model discloses a device for detecting the exhaustion and broken wire of multi-strand copper wire belongs to motor stator processing field. Its characterized by: the base is equipped with switch seat, side stand, pipe joint seat, control line pin seat respectively. The switch seat is equipped with proximity switch, line blocking pin in specific position, and the side stand is fixedly connected with line blocking shaft and gyro wheel shaft, and is connected with pressure line shaft through bearing rolling, and the gyro wheel shaft is arranged with line running outer wheel, and the line running outer wheel is opposite to the proximity switch, and the pipe joint seat is equipped with pipe joint, and the control line pin seat is equipped with control line pin, optical axis, mirror reflection switch support respectively, and the mirror reflection switch support is fixed with mirror reflection switch. Have the ability of detecting the exhaustion and broken wire of multi-strand copper wire simultaneously, and the response is fast, and the alarm is timely, and the advantage of reducing user loss.

Description

Technical Field

[0001] This utility model relates to a device for detecting the exhaustion and breakage of copper wire in the field of stator processing technology for drive motors for new energy vehicles, and more particularly to a device for detecting the exhaustion and breakage of multi-strand copper wire. Background Technology

[0002] Currently, most drive motor windings for new energy vehicles are multi-strand wires wound in parallel, requiring simultaneous detection of both depletion and breakage of the copper wires. If a copper wire depletion occurs during production without a timely alarm, it can lead to the scrapping of a large number of stators. Furthermore, there is a risk of copper wire breakage during the winding process. Due to the close arrangement of the multiple strands, if one wire breaks, it can be pulled forward by adjacent strands, making detection difficult. Summary of the Invention

[0003] The purpose of this invention is to more accurately and promptly detect when copper wire is exhausted or broken, and to issue an alarm in a timely manner, as well as to overcome the difficulty in detecting missing or broken wires.

[0004] The technical solution adopted in this utility model is: a device for detecting the exhaustion and breakage of multi-strand copper wire, characterized in that: on the base, a switch seat, a wire control pin seat, and a pipe connector seat are arranged sequentially according to the direction of copper wire travel; a proximity switch and a wire blocking pin are evenly arranged horizontally on the switch seat; two side plates are also provided on the base, distributed on both sides of the switch seat; a wire blocking shaft and a roller shaft are fixedly connected between the two side plates, and are tumblingly connected to the wire pressing shaft through bearings; outer wire guide wheels are arranged on the roller shaft, and the outer wire guide wheels are directly opposite the proximity switches. Its advantage is that the copper wire is always in contact with the outer wire guide wheels under the action of the wire pressing shaft, and the outer surface of the outer wire guide wheels is coated with rubber to ensure that it does not slip with the copper wire and also to ensure that the copper wire coating is not worn. The parallel arrangement of the outer wire guide wheels allows for a horizontal comparison of the rotation frequency of each outer wire guide wheel passing through. If the rotation frequency of some outer wire guide wheels is much lower than that of others, it is determined that the copper wire is exhausted, and the equipment immediately alarms, providing a timely response.

[0005] In addition, the pipe connector seat has pipe connectors arranged horizontally; the control pin seat has control pins evenly arranged horizontally; the control pin seat has optical axes at the front and rear, and a mirror reflection switch bracket and a mirror reflection switch are located below. Its advantages are that the pipe connector seat has pipe connectors for fixing the PTFE tube; the control pin seat has control pins, optical axes, and a mirror reflection switch bracket, with the mirror reflection switch fixed on the bracket. Its advantage is that the copper wire passes above the optical axis and through the ceramic nozzle on the control pin. When a wire breakage occurs, the axial tension of the copper wire disappears, the control pin falls freely into the detection area of ​​the mirror reflection switch, and the equipment immediately alarms, resulting in a fast response.

[0006] By employing the above technical solution, simultaneous detection of multiple wires can be achieved, offering advantages such as rapid alarm response and wire breakage detection capabilities. This ensures timely alarms in case of equipment malfunctions, reducing losses for users due to stator failure. Attached Figure Description

[0007] Figure 1 This is a perspective view of the device of this utility model; Figure 2 This is a top view of the device of this utility model; Figure 3 for Figure 2 The AA section view shown; Figure 4 for Figure 2 The BB cross-sectional view shown. Detailed Implementation

[0008] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0009] refer to Figure 1 - Figure 4 A device for detecting the exhaustion and breakage of multi-strand copper wires is characterized by the following: A switch base 3, a wire control pin base 14, and a pipe connector base 12 are sequentially arranged on a base 1 according to the direction of copper wire travel; a proximity switch 2 and a wire blocking pin 6 are evenly arranged horizontally on the switch base 3; two side plates 8 are also provided on the base 1, distributed on both sides of the switch base 3; a wire blocking shaft 4 and a roller shaft 9 are fixedly connected between the two side plates 8, and are connected to the wire pressing shaft 7 by a bearing; outer wire guide wheels 5 are arranged on the roller shaft 9, and the outer wire guide wheels 5 are directly opposite the proximity switch 2; pipe connectors 11 are arranged horizontally on the pipe connector base 12; wire control pins 10 are evenly arranged horizontally on the wire control pin base 14; optical shafts 13 are provided at the front and rear of the wire control pin base 14, and a mirror-reflection switch bracket 15 and a mirror-reflection switch 16 are provided below it.

[0010] During use, the copper wire passes through the outer winding wheel 5 and the control pin 10 for two consecutive checks. Under the action of the pressure shaft 7, the copper wire is ensured to maintain constant contact with the outer winding wheel 5. The outer winding wheel 5 is coated with rubber to prevent slippage between it and the copper wire, and also to prevent wear on the copper wire's coating. The parallel outer winding wheels 5 allow for a lateral comparison of the rotation frequency of each wire passing through them. The outer winding wheel 5 consists of an inner steel component and a rubber coating. The inner steel component is the contact point detected by the proximity switch 2. The system constantly monitors and compares the rotation frequency of each wire passing through the outer winding wheel 5. If the rotation frequency of some outer winding wheels 5 is significantly lower than others, it is determined that the copper wire in those wheels is exhausted, and the equipment immediately alarms, providing a timely response.

[0011] When the copper wire passes through the control pin 10, the axial tension of the copper wire is sufficient to lift the control pin 10. During the winding process, if the copper wire breaks but continues to move forward due to the pull of adjacent wires, the outer wheel 5 alone cannot accurately detect and promptly alarm. However, since the axial tension disappears after the copper wire breaks, the control pin 10 falls under the action of gravity and enters the detection range of the mirror switch 16, at which point the equipment immediately alarms. This allows for the detection of broken copper wires.

[0012] By employing the above technical solution, simultaneous detection of multiple wires can be achieved, offering advantages such as rapid alarm response and wire breakage detection capabilities. This ensures timely alarms in case of equipment malfunctions, reducing losses for users due to stator failure.

[0013] The above embodiments are not intended to limit the present utility model, nor is the present utility model limited to the examples given above. Any changes, modifications, additions or substitutions made by those skilled in the art within the scope of the technical solution of the present utility model are also within the protection scope of the present utility model.

Claims

1. A device for detecting the exhaustion and breakage of multi-strand copper wire, characterized in that: in On the base (1), a switch seat (3), a wire control pin seat (14), and a pipe connector seat (12) are arranged in sequence according to the direction of copper wire travel; a proximity switch (2) and a wire blocking pin (6) are arranged horizontally and evenly on the switch seat (3); two side plates (8) are also provided on the base (1), distributed on both sides of the switch seat (3); a wire blocking shaft (4) and a roller shaft (9) are fixedly connected between the two side plates (8), and they are connected to the wire pressing shaft (7) by bearing rolling; a wire-carrying outer wheel (5) is arranged on the roller shaft (9), and the wire-carrying outer wheel (5) is directly opposite the proximity switch (2); a pipe connector (11) is arranged horizontally on the pipe connector seat (12); a wire control pin (10) is arranged horizontally and evenly on the wire control pin seat (14); an optical shaft (13) is provided in front and behind the wire control pin seat (14), and a mirror switch bracket (15) and a mirror switch (16) are provided below it.

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