CN105302024A - Intelligent wave-soldering control circuit - Google Patents
Intelligent wave-soldering control circuit Download PDFInfo
- Publication number
- CN105302024A CN105302024A CN201510773014.1A CN201510773014A CN105302024A CN 105302024 A CN105302024 A CN 105302024A CN 201510773014 A CN201510773014 A CN 201510773014A CN 105302024 A CN105302024 A CN 105302024A
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- Prior art keywords
- pcb
- soldering
- control
- control center
- transfer system
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- 238000005476 soldering Methods 0.000 title claims abstract description 41
- 230000005540 biological transmission Effects 0.000 claims abstract description 28
- 229910000679 solder Inorganic materials 0.000 claims abstract description 23
- 238000001816 cooling Methods 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 15
- 239000011248 coating agent Substances 0.000 claims abstract description 11
- 238000000576 coating method Methods 0.000 claims abstract description 11
- 238000012546 transfer Methods 0.000 claims description 32
- 238000010438 heat treatment Methods 0.000 claims description 16
- 238000012545 processing Methods 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 10
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 5
- 230000008030 elimination Effects 0.000 claims description 3
- 238000003379 elimination reaction Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 3
- 230000004907 flux Effects 0.000 abstract 1
- 238000003466 welding Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 6
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 3
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
The invention discloses an intelligent wave-soldering control circuit. The intelligent wave-soldering control circuit comprises a control center, a transmission system, a soldering flux coating control system, a preheating system, a solder wave-soldering generation device, a cooling system and a hot air knife. The transmission system comprises a transmission guide rail, a PCB clamp, a driving motor and sensors. The intelligent wave-soldering control circuit further comprises an image collection module. The image collection module is arranged on the upper part of the PCB clamp and is used for collecting PCB soldering surface images in real time. Image information collected by the image collection device is transmitted to the control center in a wireless transmission mode. The control center processes the images and obtains PCB soldering state information. According to the invention, the real-time image information of PCB soldering is collected and processed, so that the PCB soldering state is monitored in real time, the PCB detection time is effectively shortened, and the working efficiency is improved.
Description
Technical field
The present invention relates to a kind of intelligent wave soldering control circuit, belong to electronic equipment welding field.
Background technology
Wave-soldering remains the best welding manner of process ventilating hole element, but also be the key component of all kinds of production line, along with numerous electronic product is toward small-sized, light-duty, a large amount of uses of high density future development, particularly handheld device, all propose great challenge to original solder technology in components and parts material technology, also therefore make welding gear obtain the chance of develop rapidly, new requirement is proposed to wave soldering device simultaneously.
Stable wave-soldering can make monoblock PCB can be welded uniformly within weld interval, when crest is higher, surperficial liquid solder flow velocity increases, and makes fluid liquid carry out turbulence state, easily cause crest unstable, cause PCB to overflow tin, damage the electronic component on PCB, when crest is on the low side, liquid solder flow velocity is low is laminar flow regime, crest is beated little, and distance pcb board distance is large, easily causes the defect of PCB rosin joint solder skip.
The applying date is on April 24th, 2013, application number be 201310143946.9 application for a patent for invention disclose a kind of intelligent wave soldering system, comprise control center, transfer system, scaling powder coating control system (3), pre-heating system (4), solder wave-soldering generating means (5), cooling system (6), hot blast cutter (7), sensor, described sensor is connected with transfer system, sensor detects the information of transfer system, and the information detected is sent to control center, control center sends control signal according to the data received, regulate the operational mode of transfer system, system of the present invention is used for the welding of PCB ventilating hole element, solve crest higher time PCB overflow tin, damage the electronic component on PCB, the problem of PCB rosin joint solder skip when crest is on the low side.
Above-mentioned peak welding system is detected by various detection signal, but can not find out the welding situation of pcb board intuitively, and welding efficiency is not high.
Summary of the invention
Technical matters to be solved by this invention is: provide a kind of intelligent wave soldering control circuit, solves the problem that wave soldering system can not observe PCB welded condition effectively intuitively.
The present invention, for solving the problems of the technologies described above, adopts following technical scheme:
A kind of intelligent wave soldering control circuit, comprise control center, transfer system, scaling powder coating control system, pre-heating system, solder wave-soldering generating means, cooling system, hot blast cutter, described control center sends a control signal to transfer system, scaling powder coating control system, pre-heating system, solder wave-soldering generating means, cooling system, hot blast cutter respectively, controls the operation of described transfer system, scaling powder coating control system, pre-heating system, solder wave-soldering generating means, cooling system, hot blast cutter; Described transfer system comprises transmission guide rail, PCB fixture, drive motor, sensor; Wherein arrange automatic locating connector between PCB fixture and transmission guide rail, described automatic locating connector is connected with control center; Described sensor is connected with transfer system, sensor detects the information of transfer system, and the information detected is sent to control center, control center sends control signal according to the data received, regulate the operational mode of transfer system, also comprise image capture module, described image capture module is arranged at the top of PCB fixture, for Real-time Collection PCB face of weld image, described image acquisition device is sent to control center to image information by wireless transmission method, after control center processes image, obtain PCB welded condition information.
Described sensor comprises the speed pickup, distance measuring sensor, the angle measuring sensor that are connected with control center respectively, and wherein speed pickup is arranged on PCB clip vertical on a limit of transmitting guide rail; Distance measuring sensor is arranged on PCB clip vertical on another limit of transmitting guide rail; Angle measuring sensor comprises two, is separately positioned on PCB fixture and is parallel on two limits of transmission guide rail; The PCB that plug-in unit completes is fixed on PCB fixture, and speed pickup detects the velocity information of PCB fixture, and this velocity information is sent to control center, and control center controls drive motor according to the velocity information received and drives travelling belt work; Distance measuring sensor detects PCB and the peak-to-peak relative height of ripple, angle measuring sensor detects PCB and the peak-to-peak angle of ripple, and the relative height detected and angle information are sent to control center, control center is according to the delivering control signal received, regulate automatic locating connector, complete the adjustment of PCB fixture and the peak-to-peak relative height of ripple and angle.
Control center comprises host computer, central processing unit, transmission control module, temperature control modules, signal acquisition process module; Described host computer is connected with central processing unit, described central processing unit respectively with transmission control module, temperature control modules, signal acquisition process model calling; Described transmission control module is connected with transfer system, and temperature control modules is connected with pre-heating system, cooling system respectively; By host computer set temperature, speed, crest height parameter, transmission control module controls transfer system work; Temperature control modules controls pre-heating system, cooling system runs; Described solder wave-soldering generating means runs according to crest height parameter.
Described central processing unit is 51 series monolithics.
Described hot blast cutter spacing exports, for the company's of elimination tin in solder wave-soldering generating means.
Compared to existing technology, the beneficial effect that the present invention has is:
(1) add image capture module, to be gone forward side by side row relax by the real-time image information gathering PCB welding, make it possible to the welded condition of Real-Time Monitoring PCB, effectively reduce PCB detection time, improve work efficiency.
(2) kinematic train adds sensor, can the parameter of Real-Time Monitoring transfer system, ensures the work that kinematic train is safe and reliable.Add automatic locating connector, the PCB that plug-in unit is completed is fixedly mounted on PCB fixture, and PCB is indeformable in transport process, ensures the safe and reliable conveying of PCB,
(3) according to sensing data, control center controls automatic locating connector and automatically regulates PCB fixture and the peak-to-peak angle of ripple and relative height, PCB is welded more abundant, avoids solder skip rosin joint phenomenon.
Embodiment
Below the technical scheme of invention is described in detail:
A kind of intelligent wave soldering control circuit, comprise control center, transfer system, scaling powder coating control system, pre-heating system, solder wave-soldering generating means, cooling system, hot blast cutter, described control center sends a control signal to transfer system, scaling powder coating control system, pre-heating system, solder wave-soldering generating means, cooling system, hot blast cutter respectively, controls the operation of described transfer system, scaling powder coating control system, pre-heating system, solder wave-soldering generating means, cooling system, hot blast cutter; Described transfer system comprises transmission guide rail, PCB fixture, drive motor, sensor; Wherein arrange automatic locating connector between PCB fixture and transmission guide rail, described automatic locating connector is connected with control center; Described sensor is connected with transfer system, sensor detects the information of transfer system, and the information detected is sent to control center, control center sends control signal according to the data received, regulate the operational mode of transfer system, also comprise image capture module, described image capture module is arranged at the top of PCB fixture, for Real-time Collection PCB face of weld image, described image acquisition device is sent to control center to image information by wireless transmission method, after control center processes image, obtain PCB welded condition information.
Described sensor comprises the speed pickup, distance measuring sensor, the angle measuring sensor that are connected with control center respectively, and wherein speed pickup is arranged on PCB clip vertical on a limit of transmitting guide rail; Distance measuring sensor is arranged on PCB clip vertical on another limit of transmitting guide rail; Angle measuring sensor comprises two, is separately positioned on PCB fixture and is parallel on two limits of transmission guide rail; The PCB that plug-in unit completes is fixed on PCB fixture, and speed pickup detects the velocity information of PCB fixture, and this velocity information is sent to control center, and control center controls drive motor according to the velocity information received and drives travelling belt work; Distance measuring sensor detects PCB and the peak-to-peak relative height of ripple, angle measuring sensor detects PCB and the peak-to-peak angle of ripple, and the relative height detected and angle information are sent to control center, control center is according to the delivering control signal received, regulate automatic locating connector, complete the adjustment of PCB fixture and the peak-to-peak relative height of ripple and angle.
Control center comprises host computer, central processing unit, transmission control module, temperature control modules, signal acquisition process module; Described host computer is connected with central processing unit, described central processing unit respectively with transmission control module, temperature control modules, signal acquisition process model calling; Described transmission control module is connected with transfer system, and temperature control modules is connected with pre-heating system, cooling system respectively; By host computer set temperature, speed, crest height parameter, transmission control module controls transfer system work; Temperature control modules controls pre-heating system, cooling system runs; Described solder wave-soldering generating means runs according to crest height parameter.
Described central processing unit is 51 series monolithics.
Described hot blast cutter spacing exports, for the company's of elimination tin in solder wave-soldering generating means.
The control chip of the present embodiment adopts the AT89S52 of 51 single-chip microcomputer series, and AT89S52 possesses following features:
AT89S52 is a kind of low-power consumption, high-performance CMOS 8 8-digit microcontroller, has 8K in-system programmable components flash storage.Use the manufacture of Atmel company high-density nonvolatile memory technology, with the instruction of industrial 80C51 product and pin completely compatible.On sheet, Flash allows program storage in-system programmable components, is also suitable for conventional programming device.On a single chip, have 8 dexterous bit CPUs and in-system programmable components Flash, height is flexible, the solution of super efficient for numerous embedded Control application system provides to make AT89S52.AT89S52 has following standard feature: 8k bytes Flash, 256 byte RAM, 32 I/O mouth lines, WatchDog Timer, 2 data pointers, three 16 bit timing device/counters, one 6 vector, 2 grades of interrupt structures, full duplex serial port, crystal oscillator and clock circuit in sheet.In addition, AT89S52 can be down to the operation of 0Hz static logic, supports that 2 kinds of software-selectable select energy-saving mode.Under idle pulley, CPU quits work, and permission RAM, timer/counter, serial ports, interruption work on.Under power down protection mode, RAM content is saved, and oscillator is frozen, and all work of single-chip microcomputer stop, and interrupt or hardware reset until next.
MCS-51 device has independent program storage and data-carrier store.External program memory and data-carrier store can 64K addressing.
The above is only some embodiments of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (5)
1. an intelligent wave soldering control circuit, comprise control center, transfer system, scaling powder coating control system, pre-heating system, solder wave-soldering generating means, cooling system, hot blast cutter, described control center sends a control signal to transfer system, scaling powder coating control system, pre-heating system, solder wave-soldering generating means, cooling system, hot blast cutter respectively, controls the operation of described transfer system, scaling powder coating control system, pre-heating system, solder wave-soldering generating means, cooling system, hot blast cutter, described transfer system comprises transmission guide rail, PCB fixture, drive motor, sensor, wherein arrange automatic locating connector between PCB fixture and transmission guide rail, described automatic locating connector is connected with control center, described sensor is connected with transfer system, sensor detects the information of transfer system, and the information detected is sent to control center, control center sends control signal according to the data received, regulate the operational mode of transfer system, it is characterized in that: also comprise image capture module, described image capture module is arranged at the top of PCB fixture, for Real-time Collection PCB face of weld image, described image acquisition device is sent to control center to image information by wireless transmission method, after control center processes image, obtain PCB welded condition information.
2. intelligent wave soldering control circuit according to claim 1, it is characterized in that: described sensor comprises the speed pickup, distance measuring sensor, the angle measuring sensor that are connected with control center respectively, wherein speed pickup is arranged on PCB clip vertical on a limit of transmitting guide rail; Distance measuring sensor is arranged on PCB clip vertical on another limit of transmitting guide rail; Angle measuring sensor comprises two, is separately positioned on PCB fixture and is parallel on two limits of transmission guide rail; The PCB that plug-in unit completes is fixed on PCB fixture, and speed pickup detects the velocity information of PCB fixture, and this velocity information is sent to control center, and control center controls drive motor according to the velocity information received and drives travelling belt work; Distance measuring sensor detects PCB and the peak-to-peak relative height of ripple, angle measuring sensor detects PCB and the peak-to-peak angle of ripple, and the relative height detected and angle information are sent to control center, control center is according to the delivering control signal received, regulate automatic locating connector, complete the adjustment of PCB fixture and the peak-to-peak relative height of ripple and angle.
3. intelligent wave soldering control circuit according to claim 1, is characterized in that: control center comprises host computer, central processing unit, transmission control module, temperature control modules, signal acquisition process module; Described host computer is connected with central processing unit, described central processing unit respectively with transmission control module, temperature control modules, signal acquisition process model calling; Described transmission control module is connected with transfer system, and temperature control modules is connected with pre-heating system, cooling system respectively; By host computer set temperature, speed, crest height parameter, transmission control module controls transfer system work; Temperature control modules controls pre-heating system, cooling system runs; Described solder wave-soldering generating means runs according to crest height parameter.
4. intelligent wave soldering control circuit according to claim 3, is characterized in that: described central processing unit is 51 series monolithics.
5. intelligent wave soldering control circuit according to claim 1, is characterized in that: described hot blast cutter spacing exports, for the company's of elimination tin in solder wave-soldering generating means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510773014.1A CN105302024A (en) | 2015-11-13 | 2015-11-13 | Intelligent wave-soldering control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510773014.1A CN105302024A (en) | 2015-11-13 | 2015-11-13 | Intelligent wave-soldering control circuit |
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| Publication Number | Publication Date |
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| CN105302024A true CN105302024A (en) | 2016-02-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510773014.1A Pending CN105302024A (en) | 2015-11-13 | 2015-11-13 | Intelligent wave-soldering control circuit |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106802623A (en) * | 2016-12-30 | 2017-06-06 | 天津思博科科技发展有限公司 | Using the production line monitoring system of internet of things sensors |
| CN106817854A (en) * | 2017-03-22 | 2017-06-09 | 广州番禺旭东阪田电子有限公司 | The various pcb board wave soldering methods of one kind mixing and device |
| CN113275690A (en) * | 2021-04-16 | 2021-08-20 | 山东英信计算机技术有限公司 | Wave soldering system, wave soldering method, computer equipment and storage medium |
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| US5182700A (en) * | 1991-07-22 | 1993-01-26 | Pitney Bowes Inc. | Method and apparatus for connecting a device to a printed circuit board |
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| CN203566132U (en) * | 2013-10-09 | 2014-04-30 | 浙江正泰电器股份有限公司 | Rotating shaft welding fixture, workbench and rotating shaft automatic welding system |
| CN203791807U (en) * | 2013-11-06 | 2014-08-27 | 广东德科机器人技术与装备有限公司 | Welding robot |
| CN104568964A (en) * | 2014-12-24 | 2015-04-29 | 昆山元茂电子科技有限公司 | Printed circuit board appearance detection device and method |
-
2015
- 2015-11-13 CN CN201510773014.1A patent/CN105302024A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5182700A (en) * | 1991-07-22 | 1993-01-26 | Pitney Bowes Inc. | Method and apparatus for connecting a device to a printed circuit board |
| JP2000215304A (en) * | 1998-11-16 | 2000-08-04 | Japan Science & Technology Corp | 2D and 3D CT system |
| CN103203511A (en) * | 2013-04-24 | 2013-07-17 | 无锡市崇安区科技创业服务中心 | Intelligent wave soldering system |
| CN203566132U (en) * | 2013-10-09 | 2014-04-30 | 浙江正泰电器股份有限公司 | Rotating shaft welding fixture, workbench and rotating shaft automatic welding system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106802623A (en) * | 2016-12-30 | 2017-06-06 | 天津思博科科技发展有限公司 | Using the production line monitoring system of internet of things sensors |
| CN106817854A (en) * | 2017-03-22 | 2017-06-09 | 广州番禺旭东阪田电子有限公司 | The various pcb board wave soldering methods of one kind mixing and device |
| CN113275690A (en) * | 2021-04-16 | 2021-08-20 | 山东英信计算机技术有限公司 | Wave soldering system, wave soldering method, computer equipment and storage medium |
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Application publication date: 20160203 |
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