CN202655759U - Gas intelligent control system of flame welder - Google Patents
Gas intelligent control system of flame welder Download PDFInfo
- Publication number
- CN202655759U CN202655759U CN 201220117478 CN201220117478U CN202655759U CN 202655759 U CN202655759 U CN 202655759U CN 201220117478 CN201220117478 CN 201220117478 CN 201220117478 U CN201220117478 U CN 201220117478U CN 202655759 U CN202655759 U CN 202655759U
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- gas
- valve
- oxygen
- pressure sensor
- control system
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Abstract
The utility model discloses a gas intelligent control system of a flame welder. The gas intelligent control system of a flame welder comprises a gas input pipeline and an oxygen input pipeline connected to a welding torch, wherein the gas input pipeline is sequentially provided with a ball valve, a gas reducing valve, a gas pressure gauge, an atomizer and a first electromagnetic valve; the oxygen input pipeline is provided with a ball valve, an oxygen reducing valve and a second electromagnetic valve; a gas proportional valve, a gas pressure sensor and a throttle orifice are sequentially arranged between the atomizer and the first electromagnetic valve on the gas input pipeline; and the gas pressure sensor is connected with a programmable logic controller (PLC). The gas intelligent control system has the beneficial effects of stable welding temperature and high welding quality.
Description
Technical field
The utility model relates to a kind of control device on the welding profession Flame welding machine, particularly flame welding machine gas intelligent control system.
Background technology
Prior art is in the Automaticflame Brazing process, and the flow of combustion gas and oxygen is regulated by the mechanical type control valve.And the combustion gas and the oxygen source pressure that offer welding machine are mostly unstable, when fluctuation occurs in the bleed pressure of combustion gas and oxygen, combustion gas and oxygen flow in the control system of regulating by the mechanical type control valve namely fluctuate, thereby cause flame size to fluctuate, and affect welding quality.
The utility model content
For the defective of the controller for gas on the existing welding machine, the utility model provides flame welding machine gas intelligent control system.
To achieve these goals, the utility model institute Adopts measure is:
Flame welding machine gas intelligent control system, comprise the gas inlet pipe road and the oxygen input tube road that are connected on the welding torch, gas inlet pipe is disposed with ball valve on the road, gas pressure-reducing valve, gas pressure gage, atomizer and the first magnetic valve, oxygen input tube is provided with ball valve on the road, oxygen pressure reducing valve and the second magnetic valve, be disposed with gas ratio valve between atomizer on the gas inlet pipe road and the first magnetic valve, gaseous-pressure sensor and restricting orifice, the gaseous-pressure sensor links to each other with PLC, be connected with oxygen proportion valve and the first oxygen pressure sensor between ball valve on the oxygen input tube road and the oxygen pressure reducing valve in turn, be provided with the automatic voltage regulator of guaranteeing that source of the gas is stable between the first oxygen pressure sensor and the oxygen pressure reducing valve, be connected with the second oxygen pressure sensor between oxygen pressure reducing valve and the second magnetic valve, the first oxygen pressure sensor and the second oxygen pressure sensor all are connected on the digital display instrument;
Described automatic voltage regulator is air accumulator;
Be connected with touch-screen on the described PLC;
Described the first magnetic valve and the second magnetic valve are the 2/2-way magnetic valve.
The beneficial effects of the utility model: realize the closed-loop control in liquefied gas loop, automatically control and regulating gas air pressure guarantees that operating pressure is constant; Be provided with two cover oxygen manual adjustment system and automatic voltage regulators, conveniently oxygen pressure carried out manual fine-tuning, guarantee that oxygen source is stable, stablize welding temperature, improve welding quality.
Description of drawings
Fig. 1, structural representation of the present utility model;
The structural representation of Fig. 2, existing apparatus.
The specific embodiment
Flame welding machine gas intelligent control system, comprise the gas inlet pipe road and the oxygen input tube road that are connected on the welding torch 15, be disposed with ball valve 1 on the gas inlet pipe road, gas pressure-reducing valve 2, gas pressure gage 3, atomizer 4 and the first magnetic valve 8, oxygen input tube is provided with ball valve on the road, oxygen pressure reducing valve 13 and the second magnetic valve 9, be disposed with gas ratio valve 5 between atomizer 4 on the gas inlet pipe road and the first magnetic valve 8, gaseous-pressure sensor 6 and restricting orifice 7, gaseous-pressure sensor 6 links to each other with PLC, be connected with oxygen proportion valve 10 and the first oxygen pressure sensor 11 between ball valve on the oxygen input tube road and the oxygen pressure reducing valve 13 in turn, be provided with the automatic voltage regulator of guaranteeing that source of the gas is stable between the first oxygen pressure sensor 11 and the oxygen pressure reducing valve 13, be connected with the second oxygen pressure sensor 14, gaseous-pressure sensor 6 between oxygen pressure reducing valve 13 and the second magnetic valve 9, the first oxygen pressure sensor 11 and the second oxygen pressure sensor 14 all are connected on the digital display instrument; Be connected with touch-screen on the described PLC; Described automatic voltage regulator is air accumulator 12; Described the first magnetic valve 8 and the second magnetic valve 9 are the 2/2-way magnetic valve.
Operation principle of the present utility model: the operating pressure of combustion gas is by gaseous-pressure sensor, restricting orifice and proportioning valve closed-loop control, by the gaseous-pressure sensor sample, actual numerical value is presented on the color touch screen, touch-screen can be set the working flow (pressure) of liquefied gas, PLC (PLC is a kind of specially for use the electronic installation of the digital operation operation that design under industrial environment) sampling work pressure compares computing with the setting operating pressure and controls automatic adjusting in the liquefied gas loop, the assurance operating pressure is constant, realizes closed-loop control; Oxygen is through the decompression of oxygen pressure reducing valve secondary, and oxygen pressure sensor sample operating pressure also shows numerical value by intelligent digital displaying, and the oxygen flow size is manually controlled by oxygen pressure reducing valve, and handled easily worker root a tree name actual conditions are finely tuned.
The beneficial effects of the utility model: realize the closed-loop control in liquefied gas loop, automatically control and regulating gas air pressure guarantees that operating pressure is constant; Be provided with two cover oxygen manual adjustment system and automatic voltage regulators, conveniently oxygen pressure carried out manual fine-tuning, guarantee that oxygen source is stable, stablize welding temperature, improve welding quality.
Those skilled in the art's simple change and replacement all are within the protection domain of the present utility model in this area.
Claims (4)
1. flame welding machine gas intelligent control system, comprise the gas inlet pipe road and the oxygen input tube road that are connected on the welding torch (15), be disposed with ball valve (1) on the gas inlet pipe road, gas pressure-reducing valve (2), gas pressure gage (3), atomizer (4) and the first magnetic valve (8), oxygen input tube is provided with ball valve on the road, oxygen pressure reducing valve (13) and the second magnetic valve (9), it is characterized in that: be disposed with gas ratio valve (5) between the atomizer on the gas inlet pipe road (4) and the first magnetic valve (8), gaseous-pressure sensor (6) and restricting orifice (7), gaseous-pressure sensor (6) links to each other with PLC, be connected with oxygen proportion valve (10) and the first oxygen pressure sensor (11) between ball valve on the oxygen input tube road and the oxygen pressure reducing valve (13) in turn, be provided with the automatic voltage regulator of guaranteeing that source of the gas is stable between the first oxygen pressure sensor (11) and the oxygen pressure reducing valve (13), be connected with the second oxygen pressure sensor (14) between oxygen pressure reducing valve (13) and the second magnetic valve (9), the first oxygen pressure sensor (11) and the second oxygen pressure sensor (14) all are connected on the digital display instrument.
2. flame welding machine gas intelligent control system according to claim 1, it is characterized in that: described automatic voltage regulator is air accumulator (12).
3. flame welding machine gas intelligent control system according to claim 1 is characterized in that: be connected with touch-screen on the described PLC.
4. the described flame welding machine of arbitrary claim gas intelligent control system according to claim 1～3, it is characterized in that: described the first magnetic valve (8) and the second magnetic valve (9) are the 2/2-way magnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220117478 CN202655759U (en) | 2012-03-26 | 2012-03-26 | Gas intelligent control system of flame welder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220117478 CN202655759U (en) | 2012-03-26 | 2012-03-26 | Gas intelligent control system of flame welder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202655759U true CN202655759U (en) | 2013-01-09 |
Family
ID=47450692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220117478 Expired - Lifetime CN202655759U (en) | 2012-03-26 | 2012-03-26 | Gas intelligent control system of flame welder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202655759U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104139226A (en) * | 2013-05-07 | 2014-11-12 | 珠海格力电器股份有限公司 | Bend welding system and method of refrigerating system |
| CN104625309A (en) * | 2013-11-12 | 2015-05-20 | 珠海格力电器股份有限公司 | Flame welding constant-temperature control system and method and heat exchanger welding device |
| CN105397232A (en) * | 2015-09-08 | 2016-03-16 | 珠海格力电器股份有限公司 | Flame brazing intelligent pressure-stabilization and flow-stabilization control system |
-
2012
- 2012-03-26 CN CN 201220117478 patent/CN202655759U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104139226A (en) * | 2013-05-07 | 2014-11-12 | 珠海格力电器股份有限公司 | Bend welding system and method of refrigerating system |
| CN104625309A (en) * | 2013-11-12 | 2015-05-20 | 珠海格力电器股份有限公司 | Flame welding constant-temperature control system and method and heat exchanger welding device |
| CN105397232A (en) * | 2015-09-08 | 2016-03-16 | 珠海格力电器股份有限公司 | Flame brazing intelligent pressure-stabilization and flow-stabilization control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130109 |