CN109506801A - A kind of Hull Welding temperature monitoring device - Google Patents
A kind of Hull Welding temperature monitoring device Download PDFInfo
- Publication number
- CN109506801A CN109506801A CN201811620186.5A CN201811620186A CN109506801A CN 109506801 A CN109506801 A CN 109506801A CN 201811620186 A CN201811620186 A CN 201811620186A CN 109506801 A CN109506801 A CN 109506801A
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- Prior art keywords
- temperature
- thermocouple
- monitoring device
- main controller
- online
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 17
- 238000003466 welding Methods 0.000 claims abstract description 33
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 7
- 239000010959 steel Substances 0.000 claims abstract description 7
- 238000012937 correction Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 abstract description 10
- 238000005259 measurement Methods 0.000 description 5
- 230000007704 transition Effects 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011505 plaster Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000005619 thermoelectricity Effects 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000004021 metal welding Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/024—Means for indicating or recording specially adapted for thermometers for remote indication
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
本发明公开了一种船体焊接温度监测装置。该装置包括磁热电偶，磁性粘贴在待测钢板上，用于测量焊接温度；热电偶数字转换器，与所述磁热电偶连接，用于对所述焊接温度进行非线性校正以及冷端补偿，得到处理后的温度；主控器，与热电偶数字转换器连接，用于将所述处理后的温度转换为在线温度；设定与显示单元，与所述主控器连接，用于显示所述在线温度，以及用于设定温度阈值。本装置能够在线监测焊接过程中的温度。
The invention discloses a hull welding temperature monitoring device. The device includes a magneto-thermocouple, which is magnetically pasted on the steel plate to be tested and used to measure the welding temperature; a thermocouple-to-digital converter, connected with the magneto-thermocouple, used for nonlinear correction and cold junction compensation for the welding temperature , to obtain the processed temperature; the main controller, connected with the thermocouple digital converter, is used to convert the processed temperature into an online temperature; the setting and display unit is connected to the main controller for displaying the online temperature, and is used to set the temperature threshold. The device can monitor the temperature in the welding process online.
Description
Technical field
The present invention relates to technical field of sensor measurement, more particularly to a kind of Hull Welding temperature monitoring device.
Background technique
Welding procedure is more and more paid attention in industrial circles such as shipbuildings, and welding quality is to the hull after assembling
Quality has vital influence.In early stage, manufacturing material used in welding structure is mainly mild steel, and weldquality is
Vital, as long as weld seam does not go wrong, welding heat affected zone will not generally go wrong.With the development of technology, currently,
Various high temperature, pressure resistance, anti-corrosion, low temperature container, deep water submarine and nuclear power unit, pipeline etc. also constantly manufacture, institute
The metal material of use is replaced by various high-strength steel, stainless steel, heat resisting steel and certain special materials.It welds in this case
It connects quality and is not only decided by weld seam, while being also dependent upon welding heat affected zone, be because some metal welding heat affected zones are deposited
The problem of, it is increasingly complex compared with weld seam.Welding is a non-uniform heat flux and cooling process, is at the special heat of one kind
Reason, feature have: welding temperature is high；Welding process includes preheating and rear heat, and speed of welding is fast, and the heat source that when welding uses can be strong
Strong collection is medium.These features are to make welding heat affected zone will cause non-uniform tissue and performance, while non-uniform heating
It will lead to complicated thermal stress and internal distortions with cooling, and cause weld blowhole, slag inclusion, lack of penetration, incomplete fusion and split
The internal flaws major reason such as line.In the welding process of especially large-scale hull, there is strict demand to the temperature of preheating and rear heat,
Therefore particularly important to the on-line monitoring of welding process medium temperature degree.
Summary of the invention
The object of the present invention is to provide a kind of Hull Welding temperature monitoring device, to monitor the temperature in welding process on-line
Degree.
To achieve the above object, the present invention provides following schemes:
A kind of Hull Welding temperature monitoring device, comprising:
Magnetic thermocouple, magnetic adhesive plaster is on steel plate to be measured, for measuring welding temperature；
Thermocouple digital quantizer is connect with the magnetic thermocouple, for carrying out gamma correction to the welding temperature
And cold junction compensation, the temperature that obtains that treated；
Main controller is connect with thermocouple digital quantizer, and for treated by described in, temperature transition is online temperature；
Setting and display unit, connects with the main controller, for showing the online temperature, and for set temperature
Threshold value.
Optionally, further include alarm, connect with the main controller, for when the online temperature is more than temperature threshold
It alarms.
Optionally, the main controller includes processor and comparator, and the processor and the thermocouple number are converted
The online temperature for being online temperature by the temperature transition after the processor, and is sent to the setting by device connection
It is shown with display unit；The comparator connect with the setting with display unit, be used for the online temperature and
The temperature threshold, and comparison signal is issued to the alarm.
Optionally, the alarm includes relay and buzzer, and the relay is used for according to the comparison signal
It controls buzzer and issues alarm signal.
Optionally, further include power supply power supply unit, connect with the main controller, for converting external input voltage to
3.3V voltage provides electric energy for the main controller.
Optionally, the model MAX31856 of the thermocouple digital quantizer.
Optionally, described to set with display unit as TFT LED module.
Optionally, the main controller is STM32F1 series embedded chip.
Compared with prior art, the present invention has following technical effect that the present invention uses electric thermocouple as thermometric member
Part, with simple structure, the characteristics such as stability, accuracy are good, and the range of linearity is wide and sensitivity is high, magnetic texure can make
Measurement is more convenient, preferably meets actual condition environment.The setting of the device and display unit can show online temperature and
Set temperature threshold value.The alarm unit of the device can in time alarm to superthreshold temperature caused by operation lack of standardization, right
Temperature is monitored on-line, and operation, high reliablity are facilitated.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural block diagram of Hull Welding of embodiment of the present invention temperature monitoring device.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The object of the present invention is to provide a kind of Hull Welding temperature monitoring device, to monitor the temperature in welding process on-line
Degree.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
As shown in Figure 1, a kind of Hull Welding temperature monitoring device, comprising: magnetic thermocouple 101, thermocouple digital quantizer
102, main controller 103, setting and display unit 104.
When measurement, magnetic thermocouple 101 is connect in a manner of magnetic adhesive plaster with steel plate 107 to be measured, for measuring welding temperature.
Magnetic thermocouple 101 be measure the high temperature tolerance upper limit be 400 DEG C Omega electric thermocouple, can in a manner of magnetic absorption with
Steel plate to be measured is attached.
The thermocouple other end is connected with thermocouple digital quantizer 102, and the welding temperature measured will be by MAX31856 thermoelectricity
Even digital quantizer is handled.Thermocouple digital quantizer MAX31856 can carry out gamma correction, and benefit to thermocouple
With the temperature sensor being internally embedded, cold junction compensation is realized by searching for table LUT, and converter temperature resolution ratio is up to 0.0078125
DEG C, allow to read the temperature reading of+1800 DEG C of highest, -210 DEG C minimum (depending on thermocouple type), thermocouple voltages measurement
Precision reaches ± 0.15%.The chip should be combined with anti-interference bypass circuit, and T+ is 0.01 μ F with capacitance size selected by the end T-,
Capacitance size selected by the end DVDD is 0.1 μ F.
Main controller 103 is connect with thermocouple digital quantizer 102, and for treated by described in, temperature transition is online temperature
Degree.Main controller 103 is STM32F1 series embedded chip, but not limited to this money chip, other ARM main control chips.Institute
Stating main controller 103 includes processor and comparator, and the processor connect with the thermocouple digital quantizer 102, is used for
By the temperature transition after the processor be online temperature, and by the online temperature be sent to it is described setting and display unit into
Row display；The comparator is connect with the setting with display unit, is used for the online temperature and the temperature threshold,
And comparison signal is issued to the alarm 105.
Setting and display unit 104, connect with the main controller 103, for showing the online temperature, and for setting
Determine temperature threshold.It sets with display unit as TFT LCD module, which carries touch screen, can be used as control input simultaneously
True colour display screen can be achieved to show, GUI control display circle is designed after being transplanted in the on-line operation system with μ COS III with STemwin
Face can set alarm threshold value, and Real time displaying temperature value and temperature trend map.
Further include alarm 105, connect with the main controller 103, for when the online temperature is more than temperature threshold
It alarms.The alarm 105 includes relay and buzzer, and the relay is used to be controlled according to the comparison signal
Buzzer issues alarm signal.When the online temperature is equal to or more than temperature threshold, comparator issues comparison signal " 1 ",
Relay is attracted, and control buzzer generates alarm acoustical signal.
Further include power supply power supply unit 106, is connect with the main controller 103, for converting external input voltage to
3.3V voltage provides electric energy for the main controller.
The specific embodiment provided according to the present invention, the invention discloses following technical effects: invention uses magnetic thermoelectricity
It is even to be used as temperature element, with simple structure, the characteristics such as stability, accuracy are good, and the range of linearity is wide and sensitivity is high, magnetic
Property structure can make measurement it is more convenient, preferably meet actual condition environment.The setting of the device can be shown with display unit
Online temperature and set temperature threshold value.The alarm unit of the device can be in time to superthreshold temperature caused by operation lack of standardization
It alarms, temperature is monitored on-line, facilitate operation, high reliablity.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
Used herein a specific example illustrates the principle and implementation of the invention, and above embodiments are said
It is bright to be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art, foundation
Thought of the invention, there will be changes in the specific implementation manner and application range.In conclusion the content of the present specification is not
It is interpreted as limitation of the present invention.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811620186.5A CN109506801A (en) | 2018-12-28 | 2018-12-28 | A kind of Hull Welding temperature monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811620186.5A CN109506801A (en) | 2018-12-28 | 2018-12-28 | A kind of Hull Welding temperature monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109506801A true CN109506801A (en) | 2019-03-22 |
Family
ID=65756559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811620186.5A Pending CN109506801A (en) | 2018-12-28 | 2018-12-28 | A kind of Hull Welding temperature monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109506801A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115780965A (en) * | 2022-11-25 | 2023-03-14 | 上海市安装工程集团有限公司 | Marine deck welding early warning device and using method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2087551U (en) * | 1991-03-13 | 1991-10-30 | 浙江大学 | Device for display temp. field of cutting tool |
| CN201285332Y (en) * | 2008-10-15 | 2009-08-05 | 浙江吉利汽车有限公司 | Temperature monitoring alarm apparatus |
| US20130163633A1 (en) * | 2011-12-26 | 2013-06-27 | Hon Hai Precision Industry Co., Ltd. | Thermocouple welding test apparatus |
| CN103454545A (en) * | 2012-06-05 | 2013-12-18 | 鸿富锦精密工业(武汉)有限公司 | Thermocouple welding detection device |
| CN103575414A (en) * | 2013-11-25 | 2014-02-12 | 张金木 | Method for compensating temperature measuring error of thermocouple |
| CN106885639A (en) * | 2017-03-08 | 2017-06-23 | 西北工业大学 | A kind of thermocouple temperature measurement instrument and method of testing based on MAX31856 |
| WO2018015649A1 (en) * | 2016-07-19 | 2018-01-25 | Railtech International | Method and device for monitoring the preheating of an area of a rail before aluminothermic welding |
| CN207858111U (en) * | 2018-01-31 | 2018-09-14 | 无锡法尔泰精密钢管有限公司 | Can during steel-pipe welding automatic alarm temperature measuring equipment |
| CN209117203U (en) * | 2018-12-28 | 2019-07-16 | 中国船舶工业综合技术经济研究院 | A kind of Hull Welding temperature monitoring device |
-
2018
- 2018-12-28 CN CN201811620186.5A patent/CN109506801A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2087551U (en) * | 1991-03-13 | 1991-10-30 | 浙江大学 | Device for display temp. field of cutting tool |
| CN201285332Y (en) * | 2008-10-15 | 2009-08-05 | 浙江吉利汽车有限公司 | Temperature monitoring alarm apparatus |
| US20130163633A1 (en) * | 2011-12-26 | 2013-06-27 | Hon Hai Precision Industry Co., Ltd. | Thermocouple welding test apparatus |
| CN103454545A (en) * | 2012-06-05 | 2013-12-18 | 鸿富锦精密工业(武汉)有限公司 | Thermocouple welding detection device |
| CN103575414A (en) * | 2013-11-25 | 2014-02-12 | 张金木 | Method for compensating temperature measuring error of thermocouple |
| WO2018015649A1 (en) * | 2016-07-19 | 2018-01-25 | Railtech International | Method and device for monitoring the preheating of an area of a rail before aluminothermic welding |
| CN106885639A (en) * | 2017-03-08 | 2017-06-23 | 西北工业大学 | A kind of thermocouple temperature measurement instrument and method of testing based on MAX31856 |
| CN207858111U (en) * | 2018-01-31 | 2018-09-14 | 无锡法尔泰精密钢管有限公司 | Can during steel-pipe welding automatic alarm temperature measuring equipment |
| CN209117203U (en) * | 2018-12-28 | 2019-07-16 | 中国船舶工业综合技术经济研究院 | A kind of Hull Welding temperature monitoring device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115780965A (en) * | 2022-11-25 | 2023-03-14 | 上海市安装工程集团有限公司 | Marine deck welding early warning device and using method thereof |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190322 |
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