CN205237277U - Gas brazing intelligence steady voltage regulating current system - Google Patents
Gas brazing intelligence steady voltage regulating current system Download PDFInfo
- Publication number
- CN205237277U CN205237277U CN201520695754.3U CN201520695754U CN205237277U CN 205237277 U CN205237277 U CN 205237277U CN 201520695754 U CN201520695754 U CN 201520695754U CN 205237277 U CN205237277 U CN 205237277U
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- oxygen
- liquefied gas
- valve
- gas
- sensor
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Abstract
The utility model discloses a gas brazing intelligence steady voltage regulating current system, it includes the oxygen air supply main valve that connects gradually and constitute first route through the pipeline, the oxygen sensor, oxygen mass flow controller and oxygen tempering valve, the liquefied gas air supply main valve of alternate path is connected gradually and constitutes through the pipeline, the liquefied gas sensor, liquefied gas mass flow controller and liquefied gas tempering valve and programmable controller, first route and alternate path all are connected with the one end of mixing welder, programmable controller is connected with the oxygen sensor of first route and the liquefied gas sensor and the liquefied gas mass flow controller of oxygen mass flow controller and alternate path respectively. The utility model relates to a gas brazing intelligence steady voltage regulating current system can improve degree of automation greatly, can also automatically regulated flame the size, effectively guarantee welding quality to various welding demands can be effectively satisfied, and the manual regulation is need not to carry on.
Description
Technical field
The utility model relates to control field, relates to especially the Intellight voltage-stabilizing current stabilization control system for gas brazing.
Background technology
At refrigerating and air conditioning industry, copper pipe welding all adopts gas brazing welding at present, and welding welding-gun all adopts manual adjustment knob valve to control the size of liquefied gas oxygen, judges the flame parameters of welding by naked eyes. Therefore, before each welding, all need artificial adjustment repeatedly, and welding also needs to check that therefore whether welding quality is qualified after adjusting at every turn, otherwise need to again regulate. Common welding gun is directly connected to liquefied gas oxygen channel in main gas conduit and welds, because workshop welding gun quantity is more, when welding gun is opened quantity liquefied gas of many times and oxygen pressure reduction, in the time that welding gun is opened quantity minimizing, liquefied gas and oxygen pressure rise, therefore, according to the quantity difference of arc welding gun switch, employee also needs the valve of current transactions welding gun, also want not timing section often to regulate flame size, so not only cause action waste, and affect welding quality, easily cause part pipe fitting burn-through or weldering leakage or burning etc.
Utility model content
The utility model provides a kind of gas brazing Intellight voltage-stabilizing current stabilization control system, is difficult for adjusting and will often changing according to difference welding demand the problem of welding gun to solve welding gun flame in prior art.
For achieving the above object, the utility model provides a kind of gas brazing Intellight voltage-stabilizing current stabilization control system, it comprises the oxygen source main valve that is connected successively and formed the first path by pipeline, oxygen sensor, oxygen quality flow controller and oxygen tempering valve, and connect successively and form the liquefied gas source main valve of alternate path by pipeline, liquefied gas sensor, liquefied gas quality flow controller and liquefied gas tempering valve, the first path is all connected with the one end of mixing welding gun with alternate path, voltage stabilization and current stabilization control system also comprises Programmable Logic Controller, Programmable Logic Controller is connected with liquefied gas quality flow controller with the oxygen sensor of the first path and the liquefied gas sensor of oxygen quality flow controller and alternate path respectively.
As preferably, oxygen sensor is between oxygen source main valve and oxygen quality flow controller, and liquefied gas sensor is between liquefied gas source main valve and liquefied gas quality flow controller.
As preferably, oxygen sensor comprises oxygen pressure sensor and oxygen quality flowmeter, and liquefied gas sensor comprises gas pressure sensor and liquefied gas quality flowmeter.
As preferably, mix the welding gun other end and be connected with mixing tempering valve.
As preferably, between oxygen sensor and oxygen quality flow controller, be provided with oxygen pneumatic operated valve, between liquefied gas sensor and liquefied gas quality flow controller, be provided with liquefied gas pneumatic operated valve.
As preferably, system also comprises nitrogen path, and it is connected on the first path and/or alternate path.
As preferably, nitrogen path comprises nitrogen adjustment valve, nitrogen pressure sensor, and is communicated with the first path and/or alternate path by operated pneumatic valve switch.
As preferably, system also comprises air source of the gas main valve, the air carrying path of air source of the gas main valve is divided into two-way, wherein a road is that air source of the gas main valve is connected with the oxygen pneumatic operated valve on the first path by oxygen control valve, the first pressure regulator valve, and another road is that air source of the gas main valve is connected with the liquefied gas pneumatic operated valve on alternate path by Liquified gas control valve, the second pressure regulator valve.
As preferably, between oxygen source main valve and oxygen sensor, be provided with oxygen filter, between liquefied gas source main valve and liquefied gas sensor, be provided with liquefied gas filter device.
As preferably, oxygen source main valve adopts manual modulation valve, and liquefied gas source main valve adopts operated pneumatic valve.
The gas brazing Intellight voltage-stabilizing current stabilization control system that the utility model relates to not only can automatically be recorded and preserved welding parameter and make welding parameter standardization by Programmable Logic Controller, greatly improve automaticity, can also automatically regulate flame size by mass flow controller, effectively ensure welding quality, and can effectively meet various welding demands, and without manually adjusting.
Brief description of the drawings
Fig. 1 is the process of gas path figure of the gas brazing Intellight voltage-stabilizing current stabilization control system that relates to of the utility model;
Fig. 2 is the structure chart of the gas brazing Intellight voltage-stabilizing current stabilization control system that relates to of the utility model.
Description of reference numerals: 1, oxygen control valve; 2, the first pressure regulator valve; 3, oxygen pneumatic operated valve; 4, oxygen quality flow controller; 5, oxygen tempering valve; 6, mix welding gun; 7, mix tempering valve; 8, oxygen source main valve; 9, oxygen filter; 10, oxygen sensor; 11, Liquified gas control valve; 12, liquefied gas pneumatic operated valve; 13, liquefied gas quality flow controller; 14, liquefied gas filter device; 15, liquefied gas sensor; 16, Programmable Logic Controller; 17, liquefied gas source main valve; 18, oxygen surge tank; 19, liquefied gas tempering valve; 20, air source of the gas main valve; 21, the second pressure regulator valve; 22, digital module; 23, modulus module.
Detailed description of the invention
For intention of the present utility model is described better, below in conjunction with accompanying drawing, the utility model content is described further.
With reference to figure 1 and Fig. 2, embodiment in Fig. 1 relates to a kind of gas brazing Intellight voltage-stabilizing current stabilization control system, it comprises the oxygen source main valve 8 that is connected successively and formed the first path by pipeline, oxygen surge tank 18, oxygen quality flow controller 4 and oxygen tempering valve 5, and connect successively and form the liquefied gas source main valve 17 of alternate path by pipeline, liquefied gas quality flow controller 13 and liquefied gas tempering valve 19, the first path is all connected with the one end of mixing welding gun 6 with alternate path, mixing welding gun 6 other ends is connected with mixing tempering valve 7, oxygen and liquefied gas can be by mixing welding gun 6 and mixing after tempering valve 7 fully mixes and discharge for welding like this. wherein, oxygen source main valve 8 can adopt manual modulation valve, and liquefied gas source main valve 17 can adopt operated pneumatic valve, preferably can adopt tempering valve.
Wherein, between oxygen source main valve 8 and oxygen quality flow controller 4, be provided with oxygen sensor 10, between liquefied gas source main valve 17 and liquefied gas quality flow controller 13, be provided with liquefied gas sensor 15, this oxygen sensor 10 preferably includes oxygen pressure sensor and oxygen quality flowmeter, it is respectively used to detect force value and the flow value of oxygen in the first path, this liquefied gas sensor 15 preferably includes gas pressure sensor and liquefied gas quality flowmeter, and it is respectively used to detect force value and the flow value of liquefied gas in alternate path.
In addition, in this embodiment, this oxygen quality flow controller 4, liquefied gas quality flow controller 13, oxygen sensor 10, liquefied gas sensor 15 are all connected with Programmable Logic Controller 16, and this Programmable Logic Controller 16 specifically comprises digital module 22 and modulus module 23. this Programmable Logic Controller 16 can be preserved the welding parameters such as the actual pressure of the oxygen that sets in advance and liquefied gas and actual flow and corresponding desired gas flow, and the corresponding relation between the pressure of these actual oxygen or liquefied gas and flow value and desired gas flow value can form normalizing parameter and be stored in Programmable Logic Controller 16. oxygen sensor 10 and liquefied gas sensor 15 can detect the pressure of transmitted oxygen and liquefied gas automatically in real time on the one hand, the data such as flow also transmit to Programmable Logic Controller 16, the oxygen that this Programmable Logic Controller 16 can transmit according to oxygen sensor 10 and liquefied gas sensor 15 on the other hand and pressure and the data on flows of liquefied gas are compared with pre-stored parameter, thereby control the actual flow of oxygen and liquefied gas by oxygen quality flow controller 4 and liquefied gas quality flow controller 13, can realize like this intensity and the wire feed rate of the required flame of automatic control soldering, to ensure welding quality, simultaneously by realizing system automatic welding, can also reduce operating personnel's outfit, realize whole process automation mechanized operation. control program detects flow value and the force value of welding gas by pressure sensor, mass flowmenter, gas flow and pressure anomaly in the time of tempering, and system is cut off welding origin automatically, starts nitrogen simultaneously welding gas is purged to fire extinguishing.
In a preferred embodiment, the liquefied gas tempering valve 19 that is positioned at the operated pneumatic valve of liquefied gas arrival end and is positioned at the liquefied gas port of export adopts the special tempering valve of prompt sharp liquefied gas, the oxygen tempering valve 5 that is positioned at oxygen outlet end adopts the special tempering valve of prompt sharp oxygen, mixing tempering valve 7 for mixture of oxygen and liquefied gas adopts prompt sharp special tempering valve, realize like this three grades of tempering valve hardware safeties, pre-anti-backfire.
In addition, between oxygen sensor 10 and oxygen quality flow controller 4, be provided with oxygen pneumatic operated valve 3, between liquefied gas sensor 15 and liquefied gas quality flow controller 13, be provided with liquefied gas pneumatic operated valve 12, this oxygen pneumatic operated valve 3 and liquefied gas pneumatic operated valve 12 can be realized the break-make of gas in respective channels, with respect to traditional magnetic valve, preferably adopt SMC precise pneumatic valve.
Further, between oxygen source main valve 8 and oxygen sensor 10, be also provided with oxygen filter 9, this oxygen filter 9 can filter the oxygen of conveying, makes the oxygen of input keep higher degree; Between liquefied gas source main valve 17 and liquefied gas sensor 15, be also provided with liquefied gas filter device 14, this liquefied gas filter device 14 can filter the liquefied gas of conveying, makes the liquefied gas of input keep higher degree.
This system also comprises air source of the gas main valve 20, the air carrying path of air source of the gas main valve 20 is divided into two-way, wherein a road is that air source of the gas main valve 20 is connected with the oxygen pneumatic operated valve 3 on the first path by oxygen control valve 1, the first pressure regulator valve 2, another road is that air source of the gas main valve 20 is connected with the liquefied gas pneumatic operated valve 12 on alternate path by Liquified gas control valve 11, the second pressure regulator valve 21, wherein, the first pressure regulator valve 2 and the second pressure regulator valve 21 preferably adopt SMC precise pressure regulating valve. Above-mentioned two-way air can assist respectively to adjust pressure and the flow of liquefied gas in the pressure of oxygen in the first path and flow and alternate path.
In addition, with reference to Fig. 1 and 2, native system also comprises nitrogen path, it is connected on the first path and/or alternate path, it comprises nitrogen adjustment valve, nitrogen pressure sensor, and be communicated with the first path or alternate path by operated pneumatic valve switch, in the time there is tempering, the gas pressure value of oxygen or liquefied gas or flow value occur when abnormal, can automatically cut off welding power source by Programmable Logic Controller 16, open operated pneumatic valve switch by supplying nitrogen in the first path or alternate path simultaneously, thereby gas passage is purged to fire extinguishing.
Above-mentioned Programmable Logic Controller 16 is arranged in electrical control cubicles, this electrical control cubicles is equipped with touch-screen, staff can be write, input or be preserved for different welding demands associated welds parameter by touch-screen, all operations only can carry out by touch-screen like this, has greatly promoted convenience and the efficiency of operation.
In the time adopting above-mentioned gas brazing Intellight voltage-stabilizing current stabilization control system, can regulate welding flame by the following method:
S1: start powers on, and manually inputs welding parameter by touch-screen
S2: detect in advance current pipeline pressure;
S3: the source of the gas main valve of opening successively liquefied gas and oxygen;
S4: oxygen sensor 10 and liquefied gas sensor 15 detect respectively the oxygen that passes through and pressure and the flow of liquefied gas;
S5: the parameter detecting is sent to Programmable Logic Controller 16 by oxygen sensor 10 and liquefied gas sensor 15;
S6: Programmable Logic Controller 16 compares the data of transmission and the normalizing parameter setting in advance;
S7: the required control parameter of reality that Programmable Logic Controller 16 obtains according to comparative result sends oxygen quality flow controller 4 and liquefied gas quality flow controller 13 to;
S8: oxygen quality flow controller 4 and liquefied gas quality flow controller 13 regulate the size of related valve automatically according to control parameter;
S9: automatically regulated.
Embodiment of the present utility model is only the description that preferred embodiment of the present utility model is carried out; not the utility model design and scope are limited; do not departing under the prerequisite of the utility model design philosophy; various modification and improvement that in this area, engineers and technicians make the technical solution of the utility model; all should fall into protection domain of the present utility model; the technology contents of the utility model request protection, has all been documented in claims.
Claims (10)
1. a gas brazing Intellight voltage-stabilizing current stabilization control system, it is characterized in that: comprise the oxygen source main valve (8) that connects successively and form the first path by pipeline, oxygen sensor (10), oxygen quality flow controller (4) and oxygen tempering valve (5), and connect successively and form the liquefied gas source main valve (17) of alternate path by pipeline, liquefied gas sensor (15), liquefied gas quality flow controller (13) and liquefied gas tempering valve (19), described the first path is all connected with the one end of mixing welding gun (6) with described alternate path, described voltage stabilization and current stabilization control system also comprises Programmable Logic Controller (16), described Programmable Logic Controller (16) is connected with described liquefied gas quality flow controller (13) with the described oxygen sensor (10) of described the first path and the described liquefied gas sensor (15) of described oxygen quality flow controller (4) and described alternate path respectively.
2. gas brazing Intellight voltage-stabilizing current stabilization control system according to claim 1, it is characterized in that, described oxygen sensor (10) is positioned between described oxygen source main valve (8) and described oxygen quality flow controller (4), and described liquefied gas sensor (15) is positioned between described liquefied gas source main valve (17) and described liquefied gas quality flow controller (13).
3. gas brazing Intellight voltage-stabilizing current stabilization control system according to claim 2, it is characterized in that, described oxygen sensor (10) comprises oxygen pressure sensor and oxygen quality flowmeter, and described liquefied gas sensor (15) comprises gas pressure sensor and liquefied gas quality flowmeter.
4. according to the gas brazing Intellight voltage-stabilizing current stabilization control system described in any one in claim 1-3, it is characterized in that, described mixing welding gun (6) other end is connected with mixing tempering valve (7).
5. gas brazing Intellight voltage-stabilizing current stabilization control system according to claim 4, it is characterized in that, between described oxygen sensor (10) and described oxygen quality flow controller (4), be provided with oxygen pneumatic operated valve (3), between described liquefied gas sensor (15) and described liquefied gas quality flow controller (13), be provided with liquefied gas pneumatic operated valve (12).
6. gas brazing Intellight voltage-stabilizing current stabilization control system according to claim 5, is characterized in that, described system also comprises nitrogen path, and described nitrogen path is connected on described the first path and/or described alternate path.
7. gas brazing Intellight voltage-stabilizing current stabilization control system according to claim 6, it is characterized in that, described nitrogen path comprises nitrogen adjustment valve, nitrogen pressure sensor, and described nitrogen path is communicated with described the first path and/or described alternate path by operated pneumatic valve switch.
8. gas brazing Intellight voltage-stabilizing current stabilization control system according to claim 5, it is characterized in that, described system also comprises air source of the gas main valve (20), the air carrying path of described air source of the gas main valve (20) is divided into two-way, wherein a road is that described air source of the gas main valve (20) is by oxygen control valve (1), the first pressure regulator valve (2) is connected with the described oxygen pneumatic operated valve (3) on described the first path, another road is that described air source of the gas main valve (20) is by Liquified gas control valve (11), the second pressure regulator valve (21) is connected with the described liquefied gas pneumatic operated valve (12) on described alternate path.
9. gas brazing Intellight voltage-stabilizing current stabilization control system according to claim 8, it is characterized in that, between described oxygen source main valve (8) and described oxygen sensor (10), be provided with oxygen filter (9), between described liquefied gas source main valve (17) and described liquefied gas sensor (15), be provided with liquefied gas filter device (14).
10. gas brazing Intellight voltage-stabilizing current stabilization control system according to claim 9, is characterized in that, described oxygen source main valve (8) adopts manual modulation valve, and described liquefied gas source main valve (17) adopts operated pneumatic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520695754.3U CN205237277U (en) | 2015-09-08 | 2015-09-08 | Gas brazing intelligence steady voltage regulating current system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520695754.3U CN205237277U (en) | 2015-09-08 | 2015-09-08 | Gas brazing intelligence steady voltage regulating current system |
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| Publication Number | Publication Date |
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| CN205237277U true CN205237277U (en) | 2016-05-18 |
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| CN201520695754.3U Expired - Fee Related CN205237277U (en) | 2015-09-08 | 2015-09-08 | Gas brazing intelligence steady voltage regulating current system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2015
- 2015-09-08 CN CN201520695754.3U patent/CN205237277U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160518 Termination date: 20210908 |