An electronic magnetic control switch that resists strong magnetic interference in welding

Abstract

The utility model relates to the field of magnetically controlled switches, and in particular to an electronic magnetically controlled switch resistant to strong magnetic interference in welding, comprising a magnetic sensor, a power supply voltage stabilizing circuit, a magnetic induction switch port, an interference source collector, an interference source processor, and an MCU connection between the interference source collector and the interference source processor; the beneficial effects of the utility model are: the magnetic sensor is used to identify a normal magnetic field and an interference magnetic field; the interference source processor is used to sample and analyze the working conditions of the magnetically controlled switch, such as maintaining the output of the magnetically controlled switch when the magnetically controlled switch is in an output state, such as maintaining standby when the magnetically controlled switch is in a standby state; avoiding electromagnetic interference to the magnetically controlled switch caused by welding, resulting in misjudgment of the magnetically controlled switch; having high safety, and effectively protecting the magnetically controlled switch from interference caused by a magnetic field generated by welding current, so that the equipment can be produced safely and stably.

Description

Technical Field

[0001] The utility model relates to the field of magnetically controlled switches, in particular to an electronic magnetically controlled switch capable of resisting strong magnetic interference in welding. Background Art

[0002] Pneumatic technology is one of the key technologies for modern mechanical transmission and control. As a typical pneumatic component, the cylinder is widely used in modern machinery, and the cylinder cannot be separated from the magnetic control switch during operation.

[0003] The existing automobile manufacturing industry is inseparable from the automatic welding process. The welding process requires cylinders for positioning and clamping. The welding process produces arcs, interferes with the magnetic field, and reduces work efficiency. Utility Model Content

[0004] In order to overcome the above-mentioned shortcomings, the utility model provides a technical solution that can solve the above-mentioned problems.

[0005] An electronic magnetic control switch resistant to strong magnetic interference in welding, comprising a magnetic sensor, a power supply voltage stabilizing circuit, a magnetic induction switch port, an interference source collector, and an interference source processor, wherein the interference source collector and the interference source processor are connected to an MCU;

[0006] The magnetic sensor includes a sensor U1, the sensor U1 is connected to a level converter and a display and a port P1, the first pin of the sensor U1 is connected to the base of a transistor Q1 in the circuit of the level converter and the display, and the second pin of the sensor U1 is connected to the first pin of the port P1;

[0007] The power supply voltage stabilizing circuit includes a chip U2, the first pin of the chip U2 is connected to the third pin of the sensor U1 in the circuit of the magnetic sensor, the chip U2 is also connected to a capacitor C2, the first pin of the chip U2 is also connected to one end of the capacitor C2, the second pin of the chip U2 is respectively connected to the fourth pin and the fifth pin of the chip U2, the second pin of the chip U2 is also connected to the capacitor C1, the other end of the capacitor C1 is connected to the sixth pin of the chip U2, the fifth pin of the chip U2 is grounded, the third pin of the chip U2 is connected to the sixth pin of the chip U2, and the capacitor C2 is also connected to a stable voltage of +2.5V;

[0008] The interference source collector includes a sensor U4, the first pin of the sensor U4 is connected to the first pin of the sensor U2, the sensor U4 is also connected to a resistor R31, the second pin of the sensor U4 is connected to one end of the resistor R31, the resistor R31 is connected to the seventeenth pin of the sensor U1, and the third pin of the sensor U4 is connected to the negative electrode.

[0009] As a further solution of the utility model: the chip U2 in the power supply voltage stabilization circuit adopts a positive voltage regulator chip of model XC6701.

[0010] As a further solution of the utility model: the sensor U1 in the circuit of the magnetic sensor adopts a sensor of model B2201.

[0011] As a further solution of the present invention: the sensor U4 in the circuit of the interference source collector adopts a sensor of model AMR1321.

[0012] As a further solution of the utility model: the processing chip in the circuit of the interference processor adopts a chip of model HC32F005.

[0013] Compared with the prior art, the beneficial effects of the utility model are: the magnetic sensor is used to identify the normal magnetic field and the interference magnetic field; the interference source processor is used to sample and analyze the working condition of the magnetic control switch, such as keeping the magnetic control switch output when the magnetic control switch is in output condition, and keeping it on standby when it is in standby condition; avoiding electromagnetic interference of welding on the magnetic control switch, resulting in misjudgment of the magnetic control switch; having higher safety, effectively protecting the magnetic control switch from interference caused by the magnetic field generated by the welding current, so that the equipment can be produced safely and stably.

[0014] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in this embodiment or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 It is a schematic diagram of the circuit structure of the utility model.

[0017] Figure 2 It is a schematic diagram of module connection of the utility model.

[0018] As shown in the figure: 1. Magnetic induction switch port; 2. Power supply voltage stabilization circuit; 3. Interference source processor; 4. Interference source collector; 5. Magnetic sensor. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0021] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0022] In the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] See also Figure 1-2 , an electronic magnetic control switch resistant to strong magnetic interference in welding, comprising a magnetic sensor 5, a power supply voltage stabilizing circuit 2, a magnetic induction switch port 1, an interference source collector 4, an interference source processor 3, and an MCU connection between the interference source collector 4 and the interference source processor 3;

[0024] The magnetic sensor 5 includes a sensor U1, the sensor U1 is connected to a level converter and display and a port P1, the first pin of the sensor U1 is connected to the base of a transistor Q1 in the circuit of the level converter and display, and the second pin of the sensor U1 is connected to the first pin of the port P1;

[0025] The power supply voltage stabilizing circuit 2 includes a chip U2, the first pin of the chip U2 is connected to the third pin of the sensor U1 in the circuit of the magnetic sensor 5, the chip U2 is also connected to a capacitor C2, the first pin of the chip U2 is also connected to one end of the capacitor C2, the second pin of the chip U2 is respectively connected to the fourth pin and the fifth pin of the chip U2, the second pin of the chip U2 is also connected to the capacitor C1, the other end of the capacitor C1 is connected to the sixth pin of the chip U2, the fifth pin of the chip U2 is grounded, the third pin of the chip U2 is connected to the sixth pin of the chip U2, and the capacitor C2 is also connected to a stable voltage of +2.5V;

[0026] The interference source collector 4 includes a sensor U4, the first pin of the sensor U4 is connected to the first pin of the sensor U2, the sensor U4 is also connected to a resistor R31, the second pin of the sensor U4 is connected to one end of the resistor R31, the resistor R31 is connected to the 17th pin of the sensor U1, and the third pin of the sensor U4 is connected to the negative electrode.

[0027] When the first connector in the polarity conversion circuit is connected to the positive pole and the second connector is connected to the negative pole, the voltage is stabilized by the power supply voltage stabilizing circuit 2 in the circuit until the magnetic sensor 5 in the circuit receives the cylinder magnetic field signal and transmits it to the interference source processor 3 for analysis and processing. When the interference source collector 4 in the circuit collects the signal, it is transmitted to the interference source processor 3;

[0028] When the magnetic sensor 5 and the interference source collector 4 in the circuit have signals transmitted to the interference source processor 3, the interference source processor 3 determines the working condition of the switch; if the switch receives signals from the magnetic sensor 5 and the interference source collector 3, the switch maintains the output action condition; if the switch only receives the signal from the interference source collector 4, the switch has no output action; if the switch only receives the signal from the magnetic sensor 5, the switch outputs;

[0029] Ensure that the magnetic sensor 5 will not be disturbed by the random magnetic field produced during welding, causing the magnetic sensor 5 to malfunction;

[0030] The power supply voltage stabilization circuit 2 can effectively improve the power supply voltage stabilization performance, will not be disturbed by arc, and has an effective filtering effect, making the power supply safer and more stable;

[0031] The interference source collector 4 can effectively identify the direction and strength of the interference source, and transmit it to the interference source processor 3 for analysis to determine the working condition of the switch, thereby effectively improving the safe production of the equipment.

[0032] As a further solution of the utility model: the chip U2 in the power supply voltage stabilizing circuit 2 adopts a positive voltage regulator chip of model XC6701.

[0033] As a further solution of the present invention: the sensor U1 in the circuit of the magnetic sensor 5 adopts a sensor of model B2201.

[0034] As a further solution of the present invention: the sensor U4 in the circuit of the interference source collector 4 adopts a sensor of model AMR1321.

[0035] As a further solution of the utility model: the processing chip in the circuit of the interference processor 3 adopts a chip of model HC32F005.

[0036] It should also be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "including a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0037] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An electronic magnetic control switch that resists strong magnetic interference in welding, characterized in that: It includes a magnetic sensor, a power supply voltage stabilization circuit, a magnetic induction switch port, an interference source collector, an interference source processor, and an MCU connection between the interference source collector and the interference source processor; The magnetic sensor includes a sensor U1, the sensor U1 is connected to a level converter and a display and a port P1, the first pin of the sensor U1 is connected to the base of a transistor Q1 in the circuit of the level converter and the display, and the second pin of the sensor U1 is connected to the first pin of the port P1; The power supply voltage stabilizing circuit includes a chip U2, the first pin of the chip U2 is connected to the third pin of the sensor U1 in the circuit of the magnetic sensor, the chip U2 is also connected to a capacitor C2, the first pin of the chip U2 is also connected to one end of the capacitor C2, the second pin of the chip U2 is respectively connected to the fourth pin and the fifth pin of the chip U2, the second pin of the chip U2 is also connected to the capacitor C1, the other end of the capacitor C1 is connected to the sixth pin of the chip U2, the fifth pin of the chip U2 is grounded, the third pin of the chip U2 is connected to the sixth pin of the chip U2, and the capacitor C2 is also connected to a stable voltage of +2.5V; The interference source collector includes a sensor U4, the first pin of the sensor U4 is connected to the first pin of the sensor U2, the sensor U4 is also connected to a resistor R31, the second pin of the sensor U4 is connected to one end of the resistor R31, the resistor R31 is connected to the seventeenth pin of the sensor U1, and the third pin of the sensor U4 is connected to the negative electrode.

2. The electronic magnetic control switch against strong magnetic interference in welding according to claim 1, characterized in that: The chip U2 in the power supply voltage stabilization circuit uses a positive voltage regulator chip model XC6701.

3. The electronic magnetic control switch against strong magnetic interference in welding according to claim 1, characterized in that: The sensor U1 in the magnetic sensor circuit adopts a sensor model B2201.

4. The electronic magnetic control switch against strong magnetic interference in welding according to claim 1, characterized in that: The sensor U4 in the circuit of the interference source collector adopts the sensor model AMR1321.

5. The electronic magnetic control switch against strong magnetic interference in welding according to claim 1, characterized in that: The processing chip in the circuit of the interference processor adopts a chip model HC32F005.

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