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Use method of welding machine for building construction

A technology for construction and welding machines, applied in welding connection methods, manufacturing tools, welding equipment, etc., can solve problems such as reducing the failure rate of welding machines and easily burning out transformers.

Inactive Publication Date: 2017-12-08
张贵友
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides a method for using a welding machine for building construction, which solves the problems that the transformer of a traditional welding machine is easy to burn out, and achieves the purpose of reducing the failure rate of the welding machine

Method used

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  • Use method of welding machine for building construction

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Experimental program
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Effect test

Embodiment 1

[0017] Such as figure 1 As shown, the present invention first connects the welding machine to the power supply, opens the water inlet switch on the cold source box, and when the cold source passes through the water flow transmitter, connects the controller to allow the equipment to enter the working state; when the cold source switch is turned off , no cooling water passes through the water flow transmitter, the controller cuts off the power supply, and the welding tongs cannot work normally when the power is cut off; if the cold source box suddenly cuts off the water during work, the water flow flood preventer will immediately transmit the signal to the controller and issue a warning notification At the same time, the controller automatically cuts off the power until the cooling water returns to normal, and the whole equipment also returns to normal, and re-enters the working state; the welding machine includes a transformer, a controller, a cold source box, a water-cooled cab...

Embodiment 2

[0019] Such as figure 1 As shown, in this embodiment, on the basis of Embodiment 1, the water flow flood control device includes a temperature sensor, a water level sensor, an alarm and a control loop, and the control loop is connected to the temperature sensor, the water level sensor, and the alarm respectively. The control loop is connected with the controller. The control loop is the command center of the water flow preventer. When the water level sensor detects that the water level in the cold source box is low, it will transmit a signal to the control loop, and the control loop will control the alarm to sound a buzzer; When the temperature rises sharply due to lack of water, the temperature sensor will transmit the signal to the controller through the control loop, and the controller will directly cut off the power supply to prevent the water-cooled cable from being burned out due to excessive temperature and prolong the service life of the water-cooled cable.

Embodiment 3

[0021] Such as figure 1 As shown, on the basis of Embodiment 1, this embodiment also includes an electric shock prevention device arranged on the input end of the transformer. When a welding machine used in an automobile production workshop is unloaded, the voltage of the DC welding machine is 55-90V, and the voltage of the AC welding machine is 60-80V, both of which exceed the safe voltage value, but because the voltage is not very high, it is often ignored by people, especially It is the welder who has a relatively high risk of electric contact. According to the calculation, when the no-load voltage of the welding machine is 70V, the human body is operating in a humid place, and the protective equipment is not properly worn. At this time, the human body resistance RR is about 1600Ω. If the welder's hands touch the jaws, the current IR through the human body = V / RR=70 / 1600=0.044A=44MA. Under the action of this current, the welder’s hand will convulse, causing ventricular fib...

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Abstract

The invention discloses a method of using a welding machine for building construction. First, the welding machine is connected to the power supply, and the water inlet switch on the cold source box is turned on. After the cold source passes through the water flow transmitter, the controller is connected to let the equipment Enter the working state; when the cold source switch is turned off, no cooling water passes through the water flow transmitter, the controller cuts off the power, and the welding tongs cannot work normally; if the cold source box suddenly cuts off water during work, the water flow preventer will immediately The signal is transmitted to the controller, and a warning is issued to inform the staff. At the same time, the controller automatically cuts off the power supply until the cooling water returns to normal, and the entire equipment also returns to normal and enters the working state again.

Description

technical field [0001] The invention relates to welding machine equipment, in particular to a method for using a welding machine for building construction. Background technique [0002] Before using the welder to weld, you should first ensure that there is enough cooling water flowing through the cooling system. At present, most manufacturers only have cooling devices on the water-cooled cables of welding machines, but under long-term work, other components such as transformers will also generate heat, which will cause the temperature of the internal structure to rise sharply. If it is not handled in time, the transformer will burn bad consequences. Contents of the invention [0003] The invention provides a method for using a welding machine for building construction, which solves the problems that the transformer of the traditional welding machine is easy to burn out, and achieves the purpose of reducing the failure rate of the welding machine. [0004] The purpose of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K9/32B23K9/10
CPCB23K9/323B23K9/1006
Inventor 张贵友
Owner 张贵友
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