CN105334889A - Welding preheating temperature intelligent measurement and control system - Google Patents
Welding preheating temperature intelligent measurement and control system Download PDFInfo
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- CN105334889A CN105334889A CN201510837178.6A CN201510837178A CN105334889A CN 105334889 A CN105334889 A CN 105334889A CN 201510837178 A CN201510837178 A CN 201510837178A CN 105334889 A CN105334889 A CN 105334889A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
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Abstract
The invention relates to a welding preheating temperature intelligent measurement and control system. A sensor module acquires temperature data in a certain area nearby a preheating point under the control of a main control and display module, and transmits the acquired temperature data signals to the main control and display module; the main control and display module calculates thermal imaging pictures in a generation area of the acquired temperature data and performs temperature field calculation on the thermal imaging pictures; after automatic judgment of a heating source, welding seam temperature and preheating temperature data, the main control and display module outputs a control signal to a relay module; a valve of an external heating source is controlled by virtue of the relay module to ensure that the preheating temperature is stabilized in a certain set temperature range; the main control and display module outputs a control signal to a driving module and a laser by virtue of a remote controller; the driving module drives a stepping motor to drive a movable bracket to move freely; and the movable bracket is positioned nearby the welding preheating point by virtue of the laser. The system can automatically identify a real preheating temperature so as to improve the welding quality, and has important significance for energy conservation and emission reduction.
Description
Technical field
The present invention relates to a kind of detection system, particularly a kind of welding pre-heating temperature intelligent observing and controlling system.
Background technology
The development of welding profession is very fast, and the automatization level in every profession and trade is also all significantly improved.Arc welding robot, spot welding robot, robot automatic assembly line etc. have generally been have employed in automobile production.And the Grand Equipments industry as boiler factory, because its conventional art accounts for the features such as leading, larger, transformation input cost is high, maintain the overall situation, transformation difficulty is large, automatization level is lower.In welding process, relate to the detection of preheat temperature, substantially also continue to use the classic method of hand-kept.But along with deepening continuously of industrial society, this present situation must be taken on a new look to some extent.While raising automatization level, need to improve welding quality, optimizing welding process, reduce hand labor intensity, improve working environment, thus comprehensive on reduce welding cost.
Summary of the invention
The present invention be directed to current welding pre-heating temperature incomplete recording, field wiring difficulty, warmable data Real-time Obtaining, the more difficult acquisition of preheat temperature, heating source the problem such as cannot conveniently cannot to control, propose a kind of welding pre-heating temperature intelligent observing and controlling system, can conveniently navigate near hot spot, real time record, analysis and display preheat temperature data, and control the output of heating source to a certain extent, make preheat temperature maintain in a certain specific temperature range, improve welding quality.
Technical scheme of the present invention is: a kind of welding pre-heating temperature intelligent observing and controlling system, comprise movable supporting frame, sensor assembly, master control and display module, relay module, driver module, stepper motor, described sensor assembly, master control and display module, relay module, driver module, stepper motor is arranged on above movable supporting frame, described sensor assembly is under the control of master control and display module, gather the temperature data in a certain region near hot spot, and the temperature data signal collected is transferred to master control and display module, master control and display module calculate the thermograph in the temperature data formation zone that collects, and Temperature calculating is carried out to thermograph, automatic decision heating source, weld seam temperature, after preheat temperature data, master control and display module export control signal to relay module, the valve in external heating source is controlled by relay module, preheat temperature is made to be stabilized in the temperature range of a certain setting, and master control and display module export control signal to driver module and laser instrument by telepilot, movable supporting frame is driven freely to walk by driver module Driving Stepping Motor, navigate near welding hot spot through laser instrument.
Contain two pieces of arm processors in described master control and display module, two pieces of arm processors are respectively used to realize temperature computation and liquid crystal display; Described sensor assembly is Multi-point infrared thermopile sensor, and the temperature data of described Multi-point infrared thermopile sensor collection passes through I
2two pieces of arm processors are transferred to respectively after the process of C communication module, one piece of arm processor processes these data, and Heat of Formation image and final preheat temperature data, in color touch liquid crystal screen display after another block arm processor processes, and be transferred to server in wired or wireless manner by transport module and carry out data storing.
Described telepilot exports control signal to driver module and laser instrument by Receiver Module.
After preheat temperature is close to the upper temperature limit set, described arm processor controls the valve of heating source by the closure time of driver module pilot relay module, thus makes preheat temperature be stabilized in a certain scope; When preheat temperature exceedes in limited time, described arm processor is lighted LED alarm lamp and is carried out sound and light alarm.
Beneficial effect of the present invention is: welding pre-heating temperature intelligent observing and controlling system of the present invention, based on sensor network technique, welding process preheat temperature is detected, can conveniently navigate near hot spot, and all data intuitively demonstrated when pre-test, and can store and wirelessly transmitting data, without the need to winding displacement unwrapping wire, installation and deployment are flexible, invest little, strong support is provided to the welding quality of welding work pieces, the one-pass finished rate of welding work pieces can be improved, there is sizable economic worth and the value of environmental protection.
Accompanying drawing explanation
Fig. 1 is welding pre-heating temperature intelligent observing and controlling system structural representation of the present invention;
Fig. 2 is welding pre-heating temperature intelligent observing and controlling system main control module schematic diagram of the present invention;
Fig. 3 is welding pre-heating temperature intelligent observing and controlling system of the present invention composition wireless network schematic;
Fig. 4 is welding pre-heating temperature intelligent observing and controlling system calculation of preheating temperature method schematic diagram of the present invention.
Embodiment
As shown in Figure 1, a kind of welding pre-heating temperature intelligent observing and controlling system, whole system is made up of movable supporting frame 1, sensor assembly 2, master control and display module 3, relay module 4, driver module 5, stepper motor 6.Sensor assembly 2, master control and display module 3, relay module 4, driver module 5, this few part of stepper motor 6 are all mounted in above movable supporting frame 1.Stepper motor 6 receives the control of master control and display module 3, under the support of driver module 5, movable supporting frame 1 can be made to carry out corresponding mobile operation; Relay module 4, under the control of master control and display module 3, can control the valve in external heating source, make preheat temperature be stabilized in the temperature range of a certain setting; Sensor assembly 2, under the control of master control and display module 3, can gather the temperature data in a certain region near hot spot; Master control and all control of display module 3 completion system and calculating.
Fig. 2 is native system main control module schematic diagram, and master control and display module 3 are cores of native system, the functions such as data acquisition, calculating, display, transmission and output control.Master control and display module 3 include two pieces of arm processors, realize the function of temperature computation and liquid crystal display respectively, and this design can accelerate processing power and the display speed of data, improve Consumer's Experience.Sensor assembly 2 have employed 4*16 Multi-point infrared thermopile sensor, the temperature data in certain area can be passed through I
2the form of C, through I
2the process of C communication module 15, be transferred to arm processor A14, arm processor A14 processes these data, and the data such as Heat of Formation image and final preheat temperature, show on color touch liquid crystal display 18 after being transferred to arm processor B17 process on the one hand, being transferred to server in wired or wireless manner by transport module 13 carries out data storing on the other hand.Arm processor A14, after processing temperature, if discovery preheat temperature is close to after the upper temperature limit set, is controlled the valve 12 of heating source, thus preheat temperature is stabilized in a certain scope by the closure time of driver module 5 pilot relay module 4.If preheat temperature exceedes the upper limit, then light LED alarm lamp 10 and carry out sound and light alarm.Color touch liquid crystal display 18, except data such as display thermograph and preheat temperature etc., can also accept user's input, modify to some parameter such as emissivity, warning bound, wireless transmission time, refresh rate, the network address etc. of system.Laser instrument 8 is for location when traversing carriage, and Receiver Module 7 for receiving the input of telepilot, thus controls the walking of movable supporting frame 1.
Welding pre-heating temperature intelligent observing and controlling system composition wireless network schematic as shown in Figure 3, welding pre-heating temperature intelligent observing and controlling system 305 can form communication network by communication module, and the computer 301 data of the machine being transferred in time Control Room is further processed.For install communication module be ZigBee module, welding pre-heating temperature intelligent observing and controlling system 305 can access ZigBee-network by two kinds of modes.One is that welding pre-heating temperature intelligent observing and controlling system 305 is connected to ZigBee gateway 302 by ZigBee routing node 304, and another kind is that welding pre-heating temperature intelligent observing and controlling system 305 is directly connected to ZigBee gateway 302.
Fig. 4 is welding pre-heating temperature intelligent observing and controlling system calculation of preheating temperature method schematic diagram of the present invention, native system gathers tested regional temperature and environment temperature by 4*16 Multi-point infrared thermopile sensor, and be depicted as thermograph after carrying out temperature computation by arm processor built-in algorithms, then from thermograph, calculate last preheat temperature by built-in algorithms.Now, CPU is analyzed the technological parameter of the preheat temperature calculated and user's setting, and analysis result both can be passed to host computer PC by communication module and be further processed, and also can pass through liquid crystal display procedure for displaying data and analysis result.
Claims (4)
1. a welding pre-heating temperature intelligent observing and controlling system, comprise movable supporting frame (1), sensor assembly (2), master control and display module (3), relay module (4), driver module (5), stepper motor (6), described sensor assembly (2), master control and display module (3), relay module (4), driver module (5), stepper motor (6) is arranged on above movable supporting frame (1), it is characterized in that: described sensor assembly (2) is under the control of master control and display module (3), gather the temperature data in a certain region near hot spot, and the temperature data signal collected is transferred to master control and display module (3), master control and display module (3) calculate the thermograph in the temperature data formation zone that collects, and Temperature calculating is carried out to thermograph, automatic decision heating source, weld seam temperature, after preheat temperature data, master control and display module (3) export control signal to relay module (4), the valve (12) in external heating source is controlled by relay module (4), preheat temperature is made to be stabilized in the temperature range of a certain setting, and master control and display module (3) export control signal to driver module (5) and laser instrument (8) by telepilot, movable supporting frame (1) is driven freely to walk by driver module (5) Driving Stepping Motor (6), navigate near welding hot spot through laser instrument (8).
2. welding pre-heating temperature intelligent observing and controlling system according to claim 1, is characterized in that: contain two pieces of arm processors in described master control and display module (3), two pieces of arm processors are respectively used to realize temperature computation and liquid crystal display; Described sensor assembly (2) is Multi-point infrared thermopile sensor, and the temperature data of described Multi-point infrared thermopile sensor collection passes through I
2two pieces of arm processors are transferred to respectively after the process of C communication module (15), one piece of arm processor processes these data, and Heat of Formation image and final preheat temperature data, in the upper display of color touch liquid crystal display (18) after another block arm processor processes, and be transferred to server in wired or wireless manner by transport module (13) and carry out data storing.
3. welding pre-heating temperature intelligent observing and controlling system according to claim 1, is characterized in that: described telepilot exports control signal to driver module (5) and laser instrument (8) by Receiver Module (7).
4. welding pre-heating temperature intelligent observing and controlling system according to claim 2, it is characterized in that: after preheat temperature is close to the upper temperature limit set, described arm processor controls the valve (12) of heating source by the closure time of driver module (5) pilot relay module (4), thus makes preheat temperature be stabilized in a certain scope; When preheat temperature exceedes in limited time, described arm processor is lighted LED alarm lamp (10) and is carried out sound and light alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510837178.6A CN105334889A (en) | 2015-11-26 | 2015-11-26 | Welding preheating temperature intelligent measurement and control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510837178.6A CN105334889A (en) | 2015-11-26 | 2015-11-26 | Welding preheating temperature intelligent measurement and control system |
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| CN105334889A true CN105334889A (en) | 2016-02-17 |
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Citations (5)
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|---|---|---|---|---|
| JPH0280179A (en) * | 1988-08-22 | 1990-03-20 | General Electric Co <Ge> | Low-temperature welding method |
| US20050224466A1 (en) * | 2002-04-02 | 2005-10-13 | Weltec As | Welding machine |
| CN101722373A (en) * | 2008-10-24 | 2010-06-09 | 中煤张家口煤矿机械有限责任公司 | Robot automatic welding production line of middle groove and technological method thereof |
| CN102941395A (en) * | 2012-11-27 | 2013-02-27 | 上海工业自动化仪表研究院 | Welding process parameter recording and welding quality analysis system |
| CN204495472U (en) * | 2014-11-17 | 2015-07-22 | 重庆瑞升康博电气有限公司 | High voltage isolation switch contact infrared array temperature detection monitoring system |
-
2015
- 2015-11-26 CN CN201510837178.6A patent/CN105334889A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0280179A (en) * | 1988-08-22 | 1990-03-20 | General Electric Co <Ge> | Low-temperature welding method |
| US20050224466A1 (en) * | 2002-04-02 | 2005-10-13 | Weltec As | Welding machine |
| CN101722373A (en) * | 2008-10-24 | 2010-06-09 | 中煤张家口煤矿机械有限责任公司 | Robot automatic welding production line of middle groove and technological method thereof |
| CN102941395A (en) * | 2012-11-27 | 2013-02-27 | 上海工业自动化仪表研究院 | Welding process parameter recording and welding quality analysis system |
| CN204495472U (en) * | 2014-11-17 | 2015-07-22 | 重庆瑞升康博电气有限公司 | High voltage isolation switch contact infrared array temperature detection monitoring system |
Non-Patent Citations (2)
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| 刘波: "高强钢同步预热焊接方法的研究", 《中国优秀硕士学位论文全文数据库 工程科技I辑》 * |
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Application publication date: 20160217 |