CN100460119C - Temperature control method for heating soldering area of intermittent type gas protecting soldering furnace - Google Patents
Temperature control method for heating soldering area of intermittent type gas protecting soldering furnace Download PDFInfo
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- CN100460119C CN100460119C CNB2007100213489A CN200710021348A CN100460119C CN 100460119 C CN100460119 C CN 100460119C CN B2007100213489 A CNB2007100213489 A CN B2007100213489A CN 200710021348 A CN200710021348 A CN 200710021348A CN 100460119 C CN100460119 C CN 100460119C
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Abstract
The invention discloses a temperature controlling method in a heating and braze welding area of an intermittent gas protecting braze welding furnace, which adopts multipoint measuring and multipoint adjusting methods to control the temperatures in the whole heating and braze welding area so as to make the temperatures even in every point of the whole heating and braze welding area. Firstly, the whole heating and braze welding area, from the feeding mouth to the discharging mouth, is divided into different temperature controlling areas; an internal heat recycling wind machine, a temperature sensor, an electric heater and a temperature controlling instrument are arranged inside every temperature controlling area, all of which form a chain controlling circuit; the temperature in every temperature controlling area is measured by the temperature sensor, and the data will be delivered to the temperature controlling instrument, which will compare the received data with the set parameter, and control the electric heater inside every temperature controlling area; finally, the temperatures in the whole heating and braze welding area will be made even. The invention can precisely control the temperatures in the heating and braze welding area.
Description
One, technical field
The present invention relates to a kind of soldering oven that each parts such as aluminium heater are effectively connected, the temperature-controlled process in heating soldering district in specifically a kind of intermittent type gas protecting soldering furnace.
Two, background technology
Aluminum brazing furnace is a kind of equipment that each parts of aluminium heater are effectively connected.Be that this characteristic of utilizing the alloy melting point of almit Al-Si to be lower than components A l metal material fusing point is welded.Existing soldering oven adopts continous way more, and the soldering oven installed capacity of this version is big, is applicable to the processing of carrying out workpiece in enormous quantities.Very flexible; workpiece to different size and kind then is difficult to meet the demands still; when changing specification of workpieces and kind; adjustment difficulty to each parameter is big, and adjustment cycle is long, high material consumption and intermittent type gas protecting soldering furnace has overcome the shortcoming of continous way soldering oven; flexibility is strong; can satisfy the workpiece processing request of different size and kind, easy to adjust to each regional brazing process variables, the workpiece crudy is good.
Because the quality of workpiece crudy is mainly determined by the technological parameter in the heating soldering district, thereby when operation, at first determine technological parameter in the heating soldering district according to the processing request of different workpieces, determine the parameter that other are regional by the technological parameter in the heating soldering district again, and bring the time that workpiece rests on respective regions of adjusting by the control transmission.In actual the use, the relative higher preheating purifying area connection of the feed end in heating soldering district with temperature, and the relatively low cooling zone of the discharge end in heating soldering district and temperature is connected, thereby be easy to generate bigger temperature difference at the two ends in heating soldering district.The soldering processing requirements of workpiece is finished under the uniform atmosphere of temperature, and this accurately controls the temperature in the heating soldering district with regard to requiring, and traditional single-point temperature-controlled process can not meet the demands.
Three, summary of the invention
For satisfying the temperature control requirement of intermittent type gas protecting soldering furnace; the temperature-controlled process that the purpose of this invention is to provide heating soldering district in a kind of intermittent type gas protecting soldering furnace can carry out temperature control fast, accurately to the heating soldering district by this method.
The objective of the invention is to be achieved through the following technical solutions:
The temperature-controlled process in heating soldering district in a kind of intermittent type gas protecting soldering furnace; the mode that it is characterized in that its employing multimetering and multiple spot adjusting is controlled temperature in the whole heating soldering district; make the temperature of each point in the whole heating soldering district even, may further comprise the steps:
1) whole heating soldering district is punished into different temperature-controlled areas by charging aperture place to discharging opening;
2) interior thermal circulation fan, temperature sensor, electric heater and temperature controller all are set in each temperature-controlled area, and form chain control circuit;
3) by the temperature in each temperature-controlled area of temperature sensor measurement, and send data to temperature controller, temperature controller compares the data that receive and the parameter of setting, and the electric heater in each temperature-controlled area is controlled, and realizes that finally the temperature in whole heating soldering district is even.
Among the present invention, whole heating soldering can be distinguished into two temperature-controlled areas in soldering one district and soldering two districts, each district is divided into upper and lower two temperature control points again, and establishes one of its middle and upper part according to actual state and be the master control point, and another is that auxilliary control point carries out chain control for the bottom.Soldering one district is positioned at the charging oral-lateral in heating soldering district, and soldering two districts are positioned at the discharging oral-lateral in heating soldering district.
Interior thermal circulation fan is arranged on the inclined to one side middle position of each temperature-controlled area, the following flow distribution plate below of the air outlet of thermal circulation fan in the master control temperature sensor is arranged on.
During setup parameter, in the heating soldering district temperature-controlled precision of each temperature-controlled area be≤5 ℃.Because the higher preheating purifying area of the feed end in heating soldering district and temperature is connected, and the relatively low cooling zone of the discharge end in heating soldering district and temperature is connected, thereby can suitably carry out temperature-compensating in soldering two districts.
Among the present invention, internal having relatively high expectations of thermal circulation fan, interior thermal circulation fan should have the sealing wind chamber that can prevent that protective gas from leaking.For making the protective gas that injects in the heating soldering district even, interior thermal circulation fan is an axial wheel, has 8 impellers, and 8 impellers divide two-layer interval to be provided with, and blade angle is 35 degree, and operating temperature is 700 ℃, and rotating speed is 1450 rev/mins, and air quantity is 6000m
3, blast is 140Pa.
Among the present invention, the quality of workpiece crudy is mainly determined by the technological parameter in the heating soldering district, owing to be batch furnace, each working position is constantly repeating work once in a unified time, when working out operating procedure, at first determine technological parameter in the heating soldering district, determine the parameter that other are regional by the technological parameter in the heating soldering district again, and bring by the control transmission that to adjust the time that workpiece rests on respective regions be unified according to the processing request of different workpieces.Thereby the technological parameter decision in the heating soldering district is just very crucial.And the technological parameter in the heating soldering district mainly contains two of temperature and protective gas atmosphere, and wherein temperature controlling is even more important, and make the temperature of each point in the heating soldering district reach requirement in a time, and time factor directly affects quality and efficient.For satisfying the temperature control requirement of intermittent type gas protecting soldering furnace, the present invention divides into the plurality of temperature control zone with whole heating soldering, and each temperature-controlled area is measured control, at different measurement results, carries out temperature-compensating respectively.Can accurately control the temperature in whole heating soldering district by the present invention, to guarantee the best of whole heating soldering district temperature, quality and efficient.
Four, description of drawings
Accompanying drawing is the schematic diagram that is divided into two temperature-controlled areas among the present invention.
Five, the specific embodiment
The temperature-controlled process in heating soldering district in a kind of intermittent type gas protecting soldering furnace of the present invention; the mode that it adopts multimetering and multiple spot to regulate is controlled temperature in the whole heating soldering district; make the temperature of each point in the whole heating soldering district even, may further comprise the steps:
1) whole heating soldering district is punished into two temperature-controlled areas in soldering one district and soldering two districts by charging aperture place to discharging opening, soldering one district is positioned at the charging oral-lateral in heating soldering district, and soldering two districts are positioned at the discharging oral-lateral in heating soldering district.
2) interior thermal circulation fan, temperature sensor, electric heater and temperature controller all are set in each temperature-controlled area, and form chain control circuit; Interior thermal circulation fan is arranged on the central authorities of each temperature-controlled area, the air outlet place of thermal circulation fan in temperature sensor is arranged on.Wherein, interior thermal circulation fan is an axial wheel, has 8 impellers, and 8 impellers divide two-layer interval to be provided with, and blade angle is 35 degree, and operating temperature is 700 ℃, and rotating speed is 1450 rev/mins, and air quantity is 6000m
3, blast is 140Pa.
3) by the temperature in each temperature-controlled area of temperature sensor measurement, and send data to temperature controller, temperature controller compares the data that receive and the parameter of setting, and the electric heater in each temperature-controlled area is controlled, and realizes that finally the temperature in whole heating soldering district is even.
During setup parameter, in the heating soldering district temperature-controlled precision of each temperature-controlled area be≤5 ℃.Because the higher preheating purifying area of the feed end in heating soldering district and temperature is connected, and the relatively low cooling zone of the discharge end in heating soldering district and temperature is connected, thereby can suitably carry out temperature-compensating soldering two district planted agents.
The present invention is provided with two cover digital temperature controllers and temperature sensors and two interior circulating fans and two district's electric heaters and forms chain control circuit, control, regulate workpiece two ends temperature respectively, adopt silicon-controlled voltage regulation module input instrument temperature PID4～20mA continuous signal to carry out the continuous electric flow of Regulation Control heater, reach the control stabilized operating temperature.
Adopt temperature-controlled process of the present invention, can obtain high-quality processing work, can adapt to the operation of the solder brazing of metallic copper simultaneously.Protective gas among the present invention can be an inert gas, also can be nitrogen.The present invention is flexible to operation.
Claims (4)
1. the temperature-controlled process in heating soldering district in the intermittent type gas protecting soldering furnace; the mode that it is characterized in that its employing multimetering and multiple spot adjusting is controlled temperature in the whole heating soldering district; make the temperature of each point in the whole heating soldering district even, may further comprise the steps:
1) whole heating soldering district is punished into different temperature-controlled areas by charging aperture place to discharging opening;
2) interior thermal circulation fan, temperature sensor, electric heater and temperature controller all are set in each temperature-controlled area, and form chain control circuit;
3) by the temperature in each temperature-controlled area of temperature sensor measurement, and send data to temperature controller, temperature controller compares the data that receive and the parameter of setting, and the electric heater in each temperature-controlled area is controlled, and realizes that finally the temperature in whole heating soldering district is even.
2. the temperature-controlled process in heating soldering district in the intermittent type gas protecting soldering furnace according to claim 1; it is characterized in that: in the step 1) whole heating soldering is distinguished into two temperature-controlled areas in soldering one district and soldering two districts; each district is divided into upper and lower two temperature control points again; soldering one district is positioned at the charging oral-lateral in heating soldering district, and soldering two districts are positioned at the discharging oral-lateral in heating soldering district.
3. the temperature-controlled process in heating soldering district in the intermittent type gas protecting soldering furnace according to claim 1; it is characterized in that: in step 2) in; interior thermal circulation fan is arranged on the inclined to one side middle position of each temperature-controlled area, the air outlet below of thermal circulation fan in temperature sensor is arranged on.
4. the temperature-controlled process in heating soldering district in the intermittent type gas protecting soldering furnace according to claim 1 is characterized in that: thermal circulation fan has the sealing wind chamber that can prevent that protective gas from leaking in described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100213489A CN100460119C (en) | 2007-04-09 | 2007-04-09 | Temperature control method for heating soldering area of intermittent type gas protecting soldering furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CNB2007100213489A CN100460119C (en) | 2007-04-09 | 2007-04-09 | Temperature control method for heating soldering area of intermittent type gas protecting soldering furnace |
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| CN101104218A CN101104218A (en) | 2008-01-16 |
| CN100460119C true CN100460119C (en) | 2009-02-11 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101526402B (en) * | 2009-04-16 | 2011-02-02 | 南京华显高科有限公司 | Method for judging accuracy and uniformity of furnace temperature of firing furnace |
| CN102327856A (en) * | 2011-08-09 | 2012-01-25 | 常熟市长江胶带有限公司 | Baking oven for coating machine |
| CN102615368A (en) * | 2012-03-28 | 2012-08-01 | 广东美的电器股份有限公司 | Method for controlling flame brazing machine |
| CN104014897A (en) * | 2014-06-11 | 2014-09-03 | 沈阳飞机工业（集团）有限公司 | Metal conduit welding technology control method |
| CN104148760B (en) * | 2014-08-13 | 2016-08-24 | 天津宏华焊研机器人科技有限公司 | A kind of method for welding of brass ware |
| CN109425228A (en) * | 2017-08-25 | 2019-03-05 | 张跃 | A kind of furnace insulation liner |
Citations (6)
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| JP2002082723A (en) * | 2000-09-06 | 2002-03-22 | Furukawa Electric Co Ltd:The | Temperature controller |
| JP2002223067A (en) * | 2001-01-23 | 2002-08-09 | Nec Corp | Temperature controller for reflow furnace and its temperature control method |
| JP2004181465A (en) * | 2002-11-29 | 2004-07-02 | Denso Corp | Brazing method in continuous furnace |
| JP2005079217A (en) * | 2003-08-29 | 2005-03-24 | Matsushita Electric Ind Co Ltd | Thermal analysis method, program for performing the same, heating control unit, and heating equipment |
| JP2005169403A (en) * | 2003-12-08 | 2005-06-30 | Shiiba:Kk | Reflow furnace for lead-free soldering, and temperature control method therefor |
| CN1658742A (en) * | 2004-02-20 | 2005-08-24 | 株式会社弘辉技术 | Reflux welding device |
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- 2007-04-09 CN CNB2007100213489A patent/CN100460119C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002082723A (en) * | 2000-09-06 | 2002-03-22 | Furukawa Electric Co Ltd:The | Temperature controller |
| JP2002223067A (en) * | 2001-01-23 | 2002-08-09 | Nec Corp | Temperature controller for reflow furnace and its temperature control method |
| JP2004181465A (en) * | 2002-11-29 | 2004-07-02 | Denso Corp | Brazing method in continuous furnace |
| JP2005079217A (en) * | 2003-08-29 | 2005-03-24 | Matsushita Electric Ind Co Ltd | Thermal analysis method, program for performing the same, heating control unit, and heating equipment |
| JP2005169403A (en) * | 2003-12-08 | 2005-06-30 | Shiiba:Kk | Reflow furnace for lead-free soldering, and temperature control method therefor |
| CN1658742A (en) * | 2004-02-20 | 2005-08-24 | 株式会社弘辉技术 | Reflux welding device |
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