阅读说明：本技术 一种节气装置及其使用方法 (Gas saving device and using method thereof ) 是由 王宝华 于 2020-04-16 设计创作，主要内容包括：本发明公开了一种节气装置及其使用方法,包括有装置本体,所述装置本体的内部固定设置有单片机和输气管,所述单片机连接有设置于装置本体外壁的触摸屏,以及连接有设置于装置本体外部的电源插头和电流检测传感器,所述输气管的两端分别设置有设置于装置本体外部的进气口和出气口,所述输气管上安装有设置于装置本体内部的电磁阀,本发明涉及工业焊接技术领域。本发明,解决了节气装置效果不好,浪费资源的问题。(The invention discloses a gas saving device and a using method thereof, and the gas saving device comprises a device body, wherein a single chip microcomputer and a gas transmission pipe are fixedly arranged inside the device body, the single chip microcomputer is connected with a touch screen arranged on the outer wall of the device body, and is connected with a power plug and a current detection sensor which are arranged outside the device body, the two ends of the gas transmission pipe are respectively provided with a gas inlet and a gas outlet which are arranged outside the device body, and the gas transmission pipe is provided with an electromagnetic valve arranged inside the device body. The invention solves the problems of poor effect and resource waste of the gas saving device.)

1. The utility model provides a throttle device, including the device body, its characterized in that: the device comprises a device body and is characterized in that a single chip microcomputer and a gas pipe are fixedly arranged in the device body, the single chip microcomputer is connected with a touch screen arranged on the outer wall of the device body, and is connected with a power plug and a current detection sensor arranged outside the device body, the two ends of the gas pipe are respectively provided with a gas inlet and a gas outlet arranged outside the device body, and an electromagnetic valve arranged inside the device body is arranged on the gas pipe.

2. A throttle arrangement according to claim 1, characterized in that: the current detection sensor is arranged on a welding gun of the welding machine and used for detecting the welding current in a welding state.

3. A throttle arrangement according to claim 1, characterized in that: the gas inlet is communicated with a gas supply device, and the gas outlet is communicated with a welding gun of the welding machine.

4. A throttle arrangement according to claim 1, characterized in that: and an AD \ DC installed in the device body is connected between the single chip microcomputer and the power plug and used for current conversion, and an output power supply is 24 VDC.

5. A throttle arrangement according to claim 1, characterized in that: the single-chip microcomputer adopts an 80C51 single-chip microcomputer, and the single-chip microcomputer is written in a software program and used for controlling each functional unit.

6. A throttle arrangement according to claim 1, characterized in that: the touch screen is used for UI interface operation and display.

7. The use method of the throttle device is characterized by comprising the following steps:

s1, setting an upper limit value of welding current on a UI interface, and defaulting to 500;

s2, setting a lower limit value of the welding current, wherein the lower limit value influences the flow value when the flow is output along with the current;

s3, lower flow limit: the minimum value of the output flow is output according to the value when the output is fixed, and the value influences the flow value when the output is along with the current;

s4, upper flow limit: the maximum value of output flow, which affects the flow value when output with the current;

s5, average number of samples of welding current: the smaller the sampling number is, the faster the response speed of the detection current is, the larger the sampling number is, the more stable the detection is, but the slower the response speed is;

s6, arc starting flow: setting the flow rate during welding arcing;

s7, flow output mode:

a. the minimum flow output outputs the gas flow with a lower flow limit value;

b. outputting along with the current magnitude, and linearly controlling the gas flow magnitude according to the detected current magnitude and the upper and lower limits of the current and the flow;

s8, welding current prediction: inputting a welding current value in use, and calculating the flow value in welding by using the current according to the predicted current by the system;

s9, predicted output flow: a flow value calculated from the predicted welding current.

Technical Field

The invention relates to the technical field of industrial welding, in particular to a gas saving device and a using method thereof.

Background

Disclosure of Invention

The invention aims to solve the problems of poor effect and resource waste of an air saving device and provides an air saving device and a using method thereof.

In order to achieve the purpose, the invention adopts the following technical scheme:

compared with the prior art, the invention has the following beneficial effects: the utility model provides a gas saving device, is including the device body, the fixed singlechip and the gas-supply pipe of being provided with in inside of device body, the singlechip is connected with the touch-sensitive screen that sets up in device body outer wall to and be connected with power plug and the current detection sensor who sets up in the device body outside, the both ends of gas-supply pipe are provided with respectively and set up in the outside air inlet and the gas outlet of device body, install on the gas-supply pipe and set up in the inside solenoid valve of device body.

Preferably, the current detection sensor is mounted on a welding gun of the welding machine and used for detecting the welding current in the welding state.

Preferably, the air inlet is communicated with an air supply device, and the air outlet is communicated with a welding gun of the welding machine.

Preferably, an AD \ DC installed in the device body is connected between the single chip microcomputer and the power plug and used for current conversion, and an output power supply is 24V DC.

Preferably, the single chip microcomputer is an 80C51 single chip microcomputer, and the single chip microcomputer is written in a software program and used for controlling each functional unit.

Preferably, the touch screen is used for UI interface operation and display.

A method for using a throttle device comprises the following steps:

s1, setting an upper limit value of welding current on a UI interface, and defaulting to 500;

s2, setting a lower limit value of the welding current, wherein the lower limit value influences the flow value when the flow is output along with the current;

s3, lower flow limit: the minimum value of the output flow is output according to the value when the output is fixed, and the value influences the flow value when the output is along with the current;

s4, upper flow limit: the maximum value of output flow, which affects the flow value when output with the current;

s5, average number of samples of welding current: the smaller the sampling number is, the faster the response speed of the detection current is, the larger the sampling number is, the more stable the detection is, but the slower the response speed is;

s6, arc starting flow: the flux at the time of welding arc initiation is set.

S7, flow output mode:

a. minimum flow output, gas flow output at lower flow limit

b. Outputting along with the current magnitude, and linearly controlling the gas flow magnitude according to the detected current magnitude and the upper and lower limits of the current and the flow;

s8, welding current prediction: inputting a welding current value in use, and calculating the flow value in welding by using the current according to the predicted current by the system;

s9, predicted output flow: a flow value calculated from the predicted welding current.

Drawings

The invention is described in further detail below with reference to the following figures and detailed description:

FIG. 1 is a schematic overall structure of the present invention;

FIG. 2 is a schematic diagram showing the comparison of the effect of the gas saving experiment of the present invention.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.

Please refer to fig. 1-2. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.