CN207642452U - A kind of real-time thermal imaging infrared reflow weldering system - Google Patents
A kind of real-time thermal imaging infrared reflow weldering system Download PDFInfo
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- CN207642452U CN207642452U CN201721403438.XU CN201721403438U CN207642452U CN 207642452 U CN207642452 U CN 207642452U CN 201721403438 U CN201721403438 U CN 201721403438U CN 207642452 U CN207642452 U CN 207642452U
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Abstract
The utility model discloses a kind of real-time thermal imaging infrared reflows to weld system, including using infrared thermal imaging camera and general visible color camera to combine, pass through infrared thermal imaging image mode corresponding with coloured image each point, realize the real-time accurate detection to welding surface element device temperature, multiple heating regions by different connections are set in heating furnace, it is heated respectively to being soldered device different parts, software can carry out local directed complete set by the efficiency of heating surface and cooling efficiency for controlling different zones with the real-time monitoring result of temperature according to the temperature curve of pre-rendered input to temperature in control panel, also temperature curve can independently be worked out according to welding object；Intelligent control target area is heated and cooling power, realizes the accurate multiple spot independent control of temperature.The utility model detects temperature by infrared thermal imaging and carries out local temperature adjustment, has the advantages that detection temperature is accurate, easy to control, temperature is stable, service life period length.
Description
Technical field
The utility model belongs to temperature detection and the technical field of control in heating furnace chamber, is related to inside a kind of reflow soldering
Temperature detection and control technology, more particularly to a kind of real-time thermal imaging infrared reflow weld system.
Background technology
By the Temperature Distribution of heating workpiece surface it is always people in reflow soldering in hot-working industry actual production process
The important technology index be concerned about.Therefore, people have been devoted to solve the problems, such as this for many years.It is traditional in reflow soldering
The monitoring method of temperature is to use thermocouple measuring point temperature, using the temperature measuring probe with thermocouple, close to by heater
Part surface is to monitor pcb board surface temperature, but the temperature that detects of this method is not workpiece surface accurately temperature, and nothing
Method monitors the whole heating status by heating plate in heating furnace.Separately there is a kind of use thermocouple contact temperature-measuring method, although surveying
Accuracy of measurement is higher, but service life is very short in Strong oxdiative, hot environment, therefore can not chronically make in the industry of reality
With.
Utility model content
The purpose of this utility model is to solve above-mentioned the deficiencies in the prior art, provides a kind of real-time thermal imaging infrared reflow weldering
System.
The utility model is achieved through the following technical solutions：
A kind of real-time thermal imaging infrared reflow welds system, including infrared thermal imaging camera, general visible color camera plus
Thermal modules, refrigerating module, electric drawer, control panel, the ends PC, the infrared thermal imaging camera and general visible color camera are set
The top outside Reflow Soldering furnace chamber is set, the radial place straight line parallel of straight line and heating module that the two is formed, two cameras probe
FOV is overlapped, and the data output end of the two is connect with the data input pin of control panel respectively, and reflow soldering top of chamber is equipped with and is used for
Obtain the through-hole that reflow soldering intracavitary is soldered device image；Heating module, refrigerating module and electric drawer are respectively arranged at back
Inside fluid welding furnace chamber, and the signal input part of three and the signal output end of control panel are separately connected；Soldered device is placed in electricity
On dynamic drawer；Control panel is interconnected with the ends PC.
Preferably, the infrared thermal imaging camera and general visible color camera are wrapped in heat-protecting glass material respectively
In protection pipe.
Preferably, the heating module includes multiple heating tubes and heat block, and heating tube is fixedly installed on Reflow Soldering furnace chamber
Interior upper wall is soldered above device, and heat block is fixedly installed on the lower section of soldered device and electric drawer.
Preferably, the refrigerating module includes multiple cooling fans, is fixedly installed on the rear wall of reflow soldering intracavitary.
The beneficial effects of the utility model are：
Infrared thermal imaging camera and visible light general camera are placed on above Reflow Soldering furnace chamber to being soldered device in stove
(such as pcb board) carries out shooting imaging, then two cameras are flexibly connected to control panel, two kinds of images of software pair in control panel into
Row fusion, accurately analyzes each point temperature on soldered device, and control panel is connected with the ends PC, can be by the ends PC to control
Software on plate is managed, autonomous to draw welding required temperature curve, is surveyed with traditional thermocouple and is soldered device temperature
The temperature that the temperature that mode measures is proximate to be soldered device air is compared, the temperature that infrared thermal imaging is surveyed be on circuit board more
For accurately temperature；Reflow soldering is internally heated using multiple electric heating tubes, can locally be precisely controlled the temperature of each point
It leads to the problem of flue gas when spending, and heating can be removed from and influences test result；Reflow soldering intracavitary sets electric drawer, can be automatic
Either on or off keeps soldered device disengaging more stable.The utility model detects temperature by infrared thermal imaging and carries out local temperature
Degree adjustment has the advantages that detection temperature is accurate, easy to control, temperature is stable, service life period length.
Description of the drawings
Fig. 1 is the structural schematic diagram that a kind of real-time thermal imaging infrared reflow of the utility model welds system；
Fig. 2 is a kind of control system schematic diagram of real-time thermal imaging infrared reflow brazier of the utility model；
Fig. 3 is that heating tube arranges vertical view in a kind of real-time thermal imaging infrared reflow brazier of the utility model；
Fig. 4 is that a kind of real-time thermal imaging infrared reflow of the utility model welds system probe and heating tube arrangement schematic diagram.
Reference numeral：
1, infrared thermal imaging camera；2, general visible color camera；3, heating tube；4, cooling fan；5, weld PCB
Plate；6, electric drawer；7, control panel；8, heat block；9, PC ends.
Specific implementation mode
To be best understood from the utility model, the utility model is further described with reference to embodiment and attached drawing, with
Lower embodiment is only to illustrate to the utility model rather than be limited to it.
System structure：
As shown in Figure 1, a kind of real-time thermal imaging infrared reflow welds system, including it is wrapped in the guarantor of heat-protecting glass material respectively
Be arranged in pillar outside Reflow Soldering furnace chamber top infrared thermal imaging camera 1 and general visible color camera 2 (the two is formed
The radial place straight line parallel of straight line and heating tube 3) and heating module, refrigerating module, electric drawer 6, control panel 7, the ends PC
9, heating module include by different circuit controls and the multiple regions that are formed multiple heating tubes 3 (such as Fig. 3, different zones plus
Heat pipe 3 is by different circuit controls, so as to control the temperature of different zones in heating furnace respectively) and heat block 8；Cooling mould
Block includes multiple cooling fans 4 being fixedly installed on reflow soldering intracavitary rear wall.As shown in figure 4, infrared thermal imaging camera 1
Probe is mounted on the top of heating tube 3, and the FOV of probe, which must be able to will weld pcb board 5, all to be shot, i.e. two heating tubes 3 are not
Coverage of the probe to welding pcb board 5 can be blocked.As shown in Fig. 2, infrared thermal imaging camera 1 and general visible colour phase
The data output end of machine 2 is connect with the data input pin of control panel 7 respectively, the imaging progress of two camera of software pair in control panel 7
The signal input part of image co-registration and temperature analysis, heating module and refrigerating module is connect with the signal output end of control panel 7, control
The control software portion that Partial controll heating and cooling efficiency are carried out to heating tube 3, heat block 8 and cooling fan 4 is set in making sheet 7
Point.Heating module is evenly heated and can be controlled respectively the heating module in different heating region to the welding pcb board 5 in stove
For the efficiency of heating surface to achieve the purpose that carry out Partial controll temperature, heating tube 3 is fixedly installed on reflow soldering intracavitary upper wall, welding
5 top of pcb board, heat block 8 are fixedly installed on the lower section of welding pcb board 5 and electric drawer 6.Welding pcb board 5 is placed in electronic pumping
On drawer 6, electric drawer 6 can automatic switch so that welding PCB plates 5 are steadily sent out inside heating furnace chamber.Control panel 7 and the ends PC
9 interactive connection, can from the ends PC intuitively from in-furnace temperature change, and can be used the ends PC to data values such as temperature curves in control panel
It is adjusted.
Testing principle：
As shown in Fig. 2, infrared thermal imaging camera 1 and general visible color camera 2 by the image transmitting taken the photograph to phase
The control panel 7 of machine connection, control panel 7 handles the image of input, and infrared image is identical as on general visible image
The point of position corresponds, and thus can be accurately detected welding 5 each point temperature of pcb board, bent further according to the preset temperature in software
Line.Reach control by controlling the cooling efficiency of heating tube 3 and the efficiency of heating surface of heat block 8 and cooling electric fan 4 in specific region
Heat the effect of in-furnace temperature.Control panel 7 is connected with the ends PC 9 by Serial Port Line or USB line, can visual supervisory control stove from the ends PC 9
Interior temperature, and the preset temperature curve in autonomous making software can be needed according to actual welding.The utility model passes through infrared heat
Image checking temperature simultaneously carries out local temperature adjustment, with detection temperature is accurate, easy to control, temperature is stable, service life is all
The advantage of phase length.
Embodiment described above is only that preferred embodiments of the present invention are described, not to this practicality
Novel range is defined, and under the premise of not departing from the spirit of the design of the utility model, those of ordinary skill in the art are to this
The various modifications and improvement that the technical solution of utility model is made should all fall into the guarantor that claims of the utility model determine
It protects in range.
Claims (4)
1. a kind of real-time thermal imaging infrared reflow welds system, it is characterised in that：It is color including infrared thermal imaging camera, general visible
Form and aspect machine, heating module, refrigerating module, electric drawer, control panel, the ends PC, the infrared thermal imaging camera and general visible
Top is arranged outside Reflow Soldering furnace chamber in color camera, the radial place straight line parallel of straight line and heating module that the two is formed, and two
The FOV of camera probe is overlapped, and the data output end of the two is connect with the data input pin of control panel respectively, Reflow Soldering cavity top
Portion is equipped with the through-hole that device image is soldered for obtaining reflow soldering intracavitary；Heating module, refrigerating module and electric drawer point
It is not set to reflow soldering intracavitary portion, and the signal input part of three and the signal output end of control panel are separately connected；It is soldered
Device is placed on electric drawer；Control panel is interconnected with the ends PC.
2. a kind of real-time thermal imaging infrared reflow according to claim 1 welds system, it is characterised in that：It is described it is infrared heat at
As camera and general visible color camera are wrapped in respectively in the protection pipe of heat-protecting glass material.
3. a kind of real-time thermal imaging infrared reflow according to claim 1 welds system, it is characterised in that：The heating module
Including multiple heating tubes and heat block, heating tube is fixedly installed on reflow soldering intracavitary upper wall, is soldered above device, heat block
It is fixedly installed on the lower section of soldered device and electric drawer.
4. a kind of real-time thermal imaging infrared reflow according to claim 1 welds system, it is characterised in that：The refrigerating module
Including multiple cooling fans, it is fixedly installed on the rear wall of reflow soldering intracavitary.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721271059X | 2017-09-29 | ||
| CN201721271059 | 2017-09-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207642452U true CN207642452U (en) | 2018-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721403438.XU Active CN207642452U (en) | 2017-09-29 | 2017-10-27 | A kind of real-time thermal imaging infrared reflow weldering system |
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| CN (1) | CN207642452U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116160082A (en) * | 2023-04-21 | 2023-05-26 | 常州文通光电有限公司 | SMT reflow soldering machine for PCB circuit board soldering |
| CN117773405A (en) * | 2024-02-28 | 2024-03-29 | 茌平鲁环汽车散热器有限公司 | Method for detecting brazing quality of automobile radiator |
-
2017
- 2017-10-27 CN CN201721403438.XU patent/CN207642452U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116160082A (en) * | 2023-04-21 | 2023-05-26 | 常州文通光电有限公司 | SMT reflow soldering machine for PCB circuit board soldering |
| CN117773405A (en) * | 2024-02-28 | 2024-03-29 | 茌平鲁环汽车散热器有限公司 | Method for detecting brazing quality of automobile radiator |
| CN117773405B (en) * | 2024-02-28 | 2024-05-14 | 茌平鲁环汽车散热器有限公司 | Method for detecting brazing quality of automobile radiator |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210107 Address after: 230088 room a400, University Science Park, 602 Huangshan Road, high tech Zone, Hefei City, Anhui Province Patentee after: Hefei Anxin Precision Technology Co.,Ltd. Address before: 230088 a208, University Science Park, 602 Huangshan Road, high tech Zone, Hefei City, Anhui Province Patentee before: HEFEI ITEK PHOTOELECTRICS TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right |