Half-wave conversion circuit for magnetic disk of magnetic drill

Abstract

The utility model provides a magnetic drill disk half-wave conversion circuit, which comprises a voltage input end, a voltage output end, a motor switch and a rectifier bridge circuit, and is characterized in that the motor switch is electrically connected between the voltage input end and the voltage output end and is used for controlling a motor in a drilling machine to start or stop; the rectifier bridge circuit is used for carrying out half-wave rectification on alternating current, and the magnetic disk runs in a half-wave power supply state under the condition that the motor does not work and is powered, so that unnecessary loss is reduced, and meanwhile, heat of the magnetic disk is also greatly reduced.

Description

Technical Field

[0001] The present application belongs to the technical field of magnetic disk half-wave conversion, and more specifically, relates to a magnetic base drilling magnetic disk half-wave conversion circuit. Background Art

[0002] Magnetic drills are widely used in industrial manufacturing and large-scale infrastructure construction. When in use, the switch of the magnetic disk on the magnetic drill is turned on to magnetically attract the magnetic base to the target workpiece, so that the drilling machine in the magnetic drill can drill holes in the target workpiece. However, during the use of the magnetic drill, the magnetic drill only has simple functions such as connecting and disconnecting the power of the disk and starting and stopping the motor in the drilling machine. After the disk switch is turned on, the disk is always working under high voltage, causing the disk coil to heat up seriously. High temperature can easily reduce the insulation of the disk coil, thus bringing safety hazards to operators. Summary of the invention

[0003] The purpose of the embodiments of the present application is to provide a half-wave conversion circuit for a magnetic base drilling a magnetic disk, so as to solve the technical problem that the magnetic base in the prior art is not capable of performing half-wave conversion on the magnetic disk.

[0004] In order to achieve the above purpose, the technical solution adopted by the present application is: to provide a magnetic base drilling disk half-wave conversion circuit, including:

[0005] A voltage input terminal and a voltage output terminal, wherein the voltage input terminal has a first connection port and the voltage output terminal has a second connection port;

[0006] a motor switch, electrically connected to the first wiring port and the second wiring port, and having a third wiring port and a fourth wiring port, the motor switch being used to conduct the first wiring port and the third wiring port, and being used to conduct the second wiring port and the fourth wiring port;

[0007] A rectifier bridge circuit, having a first input terminal and a second input terminal, wherein the first input terminal is electrically connected to the voltage input terminal through a first wire, the second input terminal is electrically connected to the voltage output terminal through a second wire, and the positive electrode of the rectifier bridge circuit is electrically connected to the third wiring port through a third wire;

[0008] A magnetic disk, wherein the positive pole of the magnetic disk is electrically connected to the positive pole of the rectifier bridge circuit, and the negative pole of the magnetic disk is electrically connected to the negative pole of the rectifier bridge circuit.

[0009] Optionally, a varistor is provided on the second wire.

[0010] Optionally, there is a first diode on the first conductive line.

[0011] Optionally, a second diode is provided between the positive electrode of the rectifier bridge circuit and the negative electrode of the rectifier bridge circuit, and the second diode is connected in parallel with the magnetic disk.

[0012] Optionally, the magnetic disk comprises two coils connected in series.

[0013] Optionally, it also includes:

[0014] The disk switch is arranged at the voltage output end.

[0015] The beneficial effect of the magnetic base drill disk half-wave conversion circuit provided by the present application is that: compared with the prior art, the magnetic base drill disk half-wave conversion circuit provided by the present application includes a voltage input terminal and a voltage output terminal, a motor switch, and a rectifier bridge circuit. The motor switch is electrically connected between the voltage input terminal and the voltage output terminal, and is used to control the start or stop of the motor in the drilling machine; the rectifier bridge circuit is used to perform half-wave rectification on the alternating current. When the motor is not working and is powered, the disk is in a half-wave power supply state, which reduces unnecessary losses and also greatly reduces the heat generation of the disk. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application, 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 application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0017] Figure 1 A schematic diagram of the structure of a magnetic base drill disk half-wave conversion circuit provided in an embodiment of the present application;

[0018] 1. Voltage input terminal; 2. Voltage output terminal; 3. Motor switch; 4. Rectifier bridge circuit; 5. Disk; 6. Disk switch; 7. First wiring port; 8. Second wiring port; 9. Third wiring port; 10. Fourth wiring port; 11. First wire; 12. First diode; 13. Second wire; 14. Varistor; 15. Third wire; 16. Second diode. DETAILED DESCRIPTION

[0019] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0020] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0021] 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 drawings, and are only for the convenience of describing the present application 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 should not be understood as a limitation on the present application.

[0022] 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. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0023] See also Figure 1 , the half-wave conversion circuit of the magnetic base drill disk provided in the embodiment of the present application is now described.

[0024] A half-wave conversion device for a magnetic base drilling disk 5 comprises a voltage input terminal 1, a voltage output terminal 2, a motor switch 3, a rectifier bridge circuit 4, a disk 5, and a disk 5 switch.

[0025] The voltage input terminal 1 is the "live wire" in the alternating current, and the voltage output terminal 2 is the "neutral wire" in the alternating current. The voltage input terminal 1 has a first connection port 7, and the voltage output terminal 2 has a second connection port 8. The disk 5 switch is set at the voltage output terminal 2.

[0026] The motor switch 3 is electrically connected to the first wiring port 7 and the second wiring port 8. The motor switch 3 has a third wiring port 9 and a fourth wiring port 10. When the motor switch 3 conducts the first wiring port 7 and the third wiring port 9, and conducts the second wiring port 8 and the fourth wiring port 10, the motor electrically connected between the third wiring port 9 and the fourth wiring port 10 is powered on and rotates. The motor is a motor in the magnetic base rotary drilling mechanism. When the motor switch 3 closes the first wiring port 7 and the third wiring port 9, and closes the second wiring port 8 and the fourth wiring port 10, the motor electrically connected between the third wiring port 9 and the fourth wiring port 10 is powered off and stops rotating.

[0027] The rectifier bridge circuit 4 has a first input terminal and a second input terminal. The first input terminal is electrically connected to the voltage input terminal 1 through a first wire 11, and a first diode 12 is provided on the first wire 11. The second input terminal is electrically connected to the voltage output terminal 2 through a second wire 13, and a varistor 14 is provided on the second wire 13. The positive electrode of the rectifier bridge circuit 4 is electrically connected to the third wiring port 9 through a third wire 15.

[0028] The positive pole of the disk 5 is electrically connected to the positive pole of the rectifier bridge circuit 4, and the negative pole of the disk 5 is electrically connected to the negative pole of the rectifier bridge circuit 4. The rectifier bridge circuit 4 performs half-wave rectification on the alternating current and then supplies power to the disk 5. When the motor is not working and is powered, the disk 5 operates in a half-wave power supply state, which reduces unnecessary losses and also greatly reduces the heat generation of the disk 5.

[0029] The magnetic disk 5 includes two coils connected in series. A second diode 16 is provided between the positive electrode of the rectifier bridge circuit 4 and the negative electrode of the rectifier bridge circuit 4 . The second diode 16 is connected in parallel with the magnetic disk 5 .

[0030] Compared with the prior art, the half-wave conversion device of the magnetic base drill disk 5 provided in the present application includes a voltage input terminal 1 and a voltage output terminal 2, a motor switch 3, and a rectifier bridge circuit 4. The motor switch 3 is electrically connected between the voltage input terminal 1 and the voltage output terminal 2, and is used to control the start or stop of the motor in the drilling machine; the rectifier bridge circuit 4 is used to perform half-wave rectification on the alternating current. When the motor is not working and is powered, the disk 5 operates in a half-wave power supply state, which reduces unnecessary losses and also greatly reduces the heat generation of the disk 5.

[0031] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A half-wave conversion circuit for a magnetic base drilling disk, characterized in that: include: A voltage input terminal and a voltage output terminal, wherein the voltage input terminal has a first connection port and the voltage output terminal has a second connection port; a motor switch, electrically connected to the first wiring port and the second wiring port, and having a third wiring port and a fourth wiring port, the motor switch being used to conduct the first wiring port and the third wiring port, and being used to conduct the second wiring port and the fourth wiring port; A rectifier bridge circuit, having a first input terminal and a second input terminal, wherein the first input terminal is electrically connected to the voltage input terminal through a first wire, the second input terminal is electrically connected to the voltage output terminal through a second wire, and the positive electrode of the rectifier bridge circuit is electrically connected to the third wiring port through a third wire; A magnetic disk, wherein the positive pole of the magnetic disk is electrically connected to the positive pole of the rectifier bridge circuit, and the negative pole of the magnetic disk is electrically connected to the negative pole of the rectifier bridge circuit.

2. The half-wave conversion circuit of the magnetic base drilling disk as claimed in claim 1, characterized in that: A varistor is arranged on the second conducting wire.

3. The half-wave conversion circuit of the magnetic base drilling disk as claimed in claim 2, characterized in that: A first diode is provided on the first conductive line.

4. The half-wave conversion circuit of the magnetic base drilling disk as claimed in claim 3 is characterized in that: A second diode is provided between the positive electrode of the rectifier bridge circuit and the negative electrode of the rectifier bridge circuit, and the second diode is connected in parallel with the magnetic disk.

5. The half-wave conversion circuit of the magnetic base drilling disk as claimed in claim 4, characterized in that: The magnetic disk includes two coils connected in series.

6. The half-wave conversion circuit of the magnetic base drilling disk as claimed in claim 1 or 5, characterized in that: Also includes; The disk switch is arranged at the voltage output end.

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