CN106764568A - A kind of LED light bar cooling system - Google Patents
A kind of LED light bar cooling system Download PDFInfo
- Publication number
- CN106764568A CN106764568A CN201710178272.4A CN201710178272A CN106764568A CN 106764568 A CN106764568 A CN 106764568A CN 201710178272 A CN201710178272 A CN 201710178272A CN 106764568 A CN106764568 A CN 106764568A
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- China
- Prior art keywords
- led light
- light bar
- auto
- lamp bar
- cooling
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/90—Methods of manufacture
-
- 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
- G05D23/30—Automatic controllers with an auxiliary heating device affecting the sensing element, e.g. for anticipating change of temperature
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention discloses a kind of LED light bar cooling system, the system includes lamp bar auto-cool system and temperature control unit, being provided with the lamp bar auto-cool system reduces the cooling body of LED light bar surface temperature, and the cooling body is electrically connected with the temperature control unit；The feed end and discharge end of the lamp bar auto-cool system are respectively connected with connecting gear.Transmitted automatically by connecting gear to lamp bar auto-cool system after the welded device of LED light bar (reflow soldering) welding, surface temperature is reduced to less than 30 DEG C for cooled mechanism and temperature control unit in auto-cool system, temperature-fall period is no more than 5min, quickly, efficiently, controllability it is high, and whole process is without a dead lift, production efficiency is improve while saving cost of labor.
Description
Technical field
The invention belongs to LED light bar production technical field, a kind of LED light bar cooling system is related in particular to.
Background technology
LED light bar is widely used in various occasions as a kind of electric adornment, typically by lamp bead, printed circuit board,
Resistance, electric capacity or IC drive composition, and the difference according to printed circuit board species is divided into soft light bar, and (printed circuit board is FPC flexible
Plate) and hard lamp bar (printed circuit board be PCB hardboards), according to the different monochromatic lamp bars, seven-color LED bar, unreal of being divided into of light color again
Color lamp bar etc..LED light bar can be applied on the decoration of indoor and outdoor, such as Storefront sign, site of activity, and monochromatic lamp bar can also be made
For illumination is used, the soft bright, energy consumption of the light that white lamp bead sends is small, easy for installation, good appearance.
The making of LED light bar generally uses surface mount (SMT) technique, with tin cream and the method for Reflow Soldering by LED lamp bead
Welding on a printed circuit board, segmented operation is used after being welded to SMT tin creams, will be done offline through the LED light bar of high-temperature soldering
Artificial air-cooled cooling, after it is cooled down, then is carried to next workshop section.Although the flexibility of this lamp bar type of cooling is than larger,
It is poor temperature-controllable, and it is big to manpower demand, cost of labor is high, and operating efficiency and automaticity are low.
The content of the invention
Therefore, the technical problems to be solved by the invention are traditional lamp bar type of cooling uses artificial air-cooled cooling shape
Formula, poor controllability, cost of labor are high, operating efficiency and automaticity are low, so as to propose a kind of LED light bar cooling system.
In order to solve the above technical problems, technology contents of the invention are：
The present invention provides a kind of LED light bar cooling system, and the system includes lamp bar auto-cool system and temperature control
Unit, be provided with the lamp bar auto-cool system reduce LED light bar surface temperature cooling body, the cooling body with
The temperature control unit electrical connection；The feed end and discharge end of the lamp bar auto-cool system are respectively connected with connecting gear.
Preferably, the feed end of the lamp bar auto-cool system is connected to reflow soldering by connecting gear, it is described
Closure plate alarm mechanism is provided between reflow soldering and the lamp bar auto-cool system, the temperature control unit is stifled with described
Plate alarm mechanism is electrically connected.
Preferably, a caching machine is additionally provided between the lamp bar auto-cool system and the closure plate alarm mechanism,
The other end of the lamp bar auto-cool system is connected to a cooling connection platform, is provided with for detecting on the cooling connection platform
The temperature sensor of the LED light bar temperature of lamp bar auto-cool system output.
Preferably, the feeding end of the reflow soldering is provided with warning lamp before automatic spacer mechanism and Reflow Soldering, it is described
Spacer mechanism is made up of substrate conveyer belt, stop cylinder and substrate inductor, and the stop cylinder is arranged at the substrate conveying
Between band and the reflow soldering feeding end, the substrate inductor is arranged between stop cylinder and substrate conveyer belt, described
Temperature control unit is electrically connected with the substrate inductor and stop cylinder.
Preferably, the closure plate alarm mechanism is contact velocity sensor, the contact velocity sensor is set
In connecting gear top.
Preferably, the contact velocity sensor includes base, is fixedly connected on the travel switch of the base, institute
State travel switch and roller is connected with by a swing arm, the substrate that the connecting gear is transported can drive the roller to rotate；It is described
Sensor for countering is provided with swing arm.
Preferably, the sensor for countering bottom is connected with a gear, the gear passes through connecting shaft and the swing arm
Connected with roller.
Preferably, the contact velocity sensor is arranged at the reflow soldering discharging opening side, the substrate after welding
Transport drives roller to rotate to the idler wheel bottom, so that the swing arm swings, starts travel switch；The roller also band
The pinion rotation, and then start counting up the sensor for countering being connected with the gear.
Preferably, the cooling body is air-cooled radiator, the temperature control device is temperature controller, the conveyer
Structure is conveyer belt.
Preferably, welding after LED light bar be down in 5min internal surface temperatures in lamp bar auto-cool system it is not high
In 30 DEG C.
Above-mentioned technical proposal of the invention has advantages below compared to existing technology：
(1) LED light bar cooling system of the present invention, the system includes lamp bar auto-cool system and temperature control
Unit, be provided with the lamp bar auto-cool system reduce LED light bar surface temperature cooling body, the cooling body with
The temperature control unit electrical connection；The feed end and discharge end of the lamp bar auto-cool system are respectively connected with connecting gear.
Transmitted automatically to lamp bar auto-cool system, automatic by connecting gear after the welded device of LED light bar (reflow soldering) welding
Surface temperature is reduced to less than 30 DEG C by cooled mechanism and temperature control unit in cooling device, and temperature-fall period is no more than
5min, quick, efficient, controllability is high, and whole process is without a dead lift, and production is improve while saving cost of labor
Efficiency.
(2) LED light bar cooling system of the present invention, the feed end of the lamp bar auto-cool system is by the biography
Mechanism is sent to be connected to reflow soldering, the feeding end of reflow soldering is connected with spacer mechanism, the reflow soldering and described device sheet
Closure plate alarm mechanism is provided between body, temperature control unit is electrically connected with the spacer mechanism and closure plate alarm mechanism.Wherein
Before spacer mechanism is arranged at reflow soldering, it can be realized according to default time interval to base to be welded of being let pass in reflow soldering
Plate, so that the substrate in stove can be uniformly distributed as requested, finally makes the LED light bar after welding be filled even into cooling
Put, in cooling device, the surface temperature of precise control cool time and lamp bar, reach cooling duration not enough, lamp bar surface temperature
The effect of the not low not ejecting plate of degree.Closure plate alarm mechanism is contact velocity sensor, and it is automatic with lamp bar that it is arranged at reflow soldering
On connecting gear between cooling device, soldering furnace rear blocking plate prompt functions are realized by contact induction mode, should
The setting of device ensure that the uninterrupted ejecting plate of reflow soldering, cooling device uninterruptedly enter plate, improve welding, cooling treatment effect
Rate.
Brief description of the drawings
In order that present disclosure is more likely to be clearly understood, below according to specific embodiment of the invention and combine
Accompanying drawing, the present invention is further detailed explanation, wherein
Fig. 1 is the structural representation of the LED light bar welding system described in the embodiment of the present invention；
Fig. 2 is the structural representation of the LED light bar welding system median septum mechanism described in the embodiment of the present invention；
Fig. 3 is the structural representation of closure plate alarm mechanism in LED light bar welding system described in the embodiment of the present invention.
Reference is expressed as in figure：1- lamp bar auto-cool systems；2- reflow solderings；3- bases；4- travel switches；5-
Swing arm；6- rollers；7- sensor for countering；8- gears；9- caches machine；10- cools down connection platform；11- stop cylinders.
Specific embodiment
Embodiment
The present embodiment provides a kind of LED light bar cooling system, and the system is included for cooling down the LED light bar after welding
Lamp bar auto-cool system 1 and the temperature control unit for controlling welding and cooling procedure, the temperature control unit is
The control terminals such as computer, lamp bar auto-cool system 1 has cooling device body, is provided with receiving in cooling device body and treats
The receiving cavity of LED light bar is cooled down, the cooling device body has a feed end and a discharge end, the side wall of receiving cavity
The cooling body for reducing LED light bar surface temperature is provided with, cooling body is electrically connected with temperature control unit, temperature control unit
It is temperature controller, after the LED light bar cool time and surface temperature in lamp bar auto-cool system 1 reach setting value, temperature control
Device controls the LED light bar to subsequent processing of letting pass.The feed end and discharge end of the lamp bar auto-cool system 1 are respectively connected with
Connecting gear, wherein, cooling body is air-cooled radiator, and air-cooled radiator is two, is relatively arranged on inside device, is formed
The flow of cooled air of convection current, reduces the temperature on lamp bar surface, and connecting gear is conventional conveyer belt, to be cooled for transmitting
LED light bar and cooling after lamp bar, in lamp bar auto-cool system 1, LED light bar surface temperature in 5min by 100 DEG C with
On be reduced to not higher than 30 DEG C.
The feed end of the lamp bar auto-cool system 1 is connected to a reflow soldering 2, Reflow Soldering by the connecting gear
It is provided between stove 2 and lamp bar auto-cool system 1 for detecting that the closure plate after reflow soldering 2 with the presence or absence of closure plate phenomenon is alarmed
Mechanism, the closure plate alarm mechanism is electrically connected with the temperature control unit, by temperature control unit control alarm velocity and when
Between.
As shown in Fig. 2 the closure plate alarm mechanism is contact velocity sensor, the contact velocity sensor is set
Connecting gear top between reflow soldering and auto-cool system, it is specifically included：Base 3, the base 3 is fixedly connected
In conveyer belt away from one end of reflow soldering, travel switch 4 is fixedly connected with base 1, the travel switch 4 passes through a swing arm
5 are connected to a roller 6, and the substrate that the conveyer belt is transported drives roller 6 to rotate, and counting sensing is additionally provided with the swing arm 5
Device 7, the bottom of sensor for countering 7 is connected with a gear 8, and gear 8 is connected by connecting shaft with the swing arm 5 and roller 6, roller
6 scrolling bands movable pendulum arms 5 swing and gear 8 is rotated.The contact velocity sensor is arranged at the reflow soldering outlet side,
LED light bar after welding is transported to the bottom of the roller 6, drives roller 6 to rotate, so that the swing arm 5 swings, starts stroke
Switch 4, detects substrate；The roller 6 is also rotated with the gear 8, and then makes the sensor for countering 7 being connected with the gear 8
Start counting up.
Further, a caching machine 9 is additionally provided between the lamp bar auto-cool system 1 and closure plate alarm mechanism, is delayed
Deposit machine 9 to be located between reflow soldering discharge end and the feed end of lamp bar auto-cool system 1, lamp bar auto-cool system 1 goes out
Material end is connected with a cooling connection platform 10 by conveyer belt, temperature sensor is provided with cooling connection platform 10, after cooling
LED light bar carry out multiple spot detection, cooled down automatically if any cooling down below standard accurate then temperature control unit and controlling it to return lamp bar
In device 1, non-defective unit then delivers to subsequent processing.
Further, the feeding end of the reflow soldering 2 is provided with warning lamp before automatic spacer mechanism and Reflow Soldering, when return
In fluid welding stove 2 room be less than 5 when, warning lamp glassy yellow before Reflow Soldering, point out stopping put plate, when in reflow soldering 2 room be 0 or
Closure plate warning device after person's reflow soldering 2 has detected closure plate phenomenon, then send out a warning, while buzzing is alarmed, points out artificial place
Reason, warning lamp is green when normal.Automatic spacer mechanism is used to realize to be let pass in reflow soldering at set intervals
LED light bar to be welded, makes the lamp bar in stove be evenly distributed as requested, at the same can also be cached after stove reach setting deposit plate number
Stop LED light bar toward clearance in stove after amount.
Specifically, as shown in figure 3, the spacer mechanism is made up of substrate conveyer belt, stop cylinder 11 and substrate inductor,
The substrate inductor is PM-T45 photoelectric sensors, and the substrate conveyer belt is arranged on one group of delivery track, also including driving
The motor of dynamic substrate conveyer belt operating, the stop cylinder 11 is arranged at the feeding end of substrate conveyer belt and reflow soldering 2
Between, and at the feeding terminal of substrate conveyer belt, substrate inductor is arranged between stop cylinder and substrate conveyer belt, together
When, temperature control unit is electrically connected with substrate inductor and stop cylinder 11.Temperature control unit controls spacer mechanism with fixation
Time interval to substrate to be welded of being let pass in reflow soldering 2 to reaching predetermined number, the LED light bar after welding according to it is fixed when
Between be spaced into lamp bar auto-cool system 1 and cooled down, reached be reduced in default cooling duration, lamp bar surface temperature it is pre-
If temperature can be by the effect of the ejecting plate of lamp bar auto-cool system 1.
LED light bar welding system described in the present embodiment, its course of work is as follows：
(1) print solder paste on printed circuit board substrate, LED lamp bead is mounted using chip mounter on substrate.
(2) the substrate conveyer belt in the substrate transport of LED lamp bead to spacer mechanism, control unit control base board will be pasted with
Conveying tape starting, the substrate that will be pasted with LED lamp bead is delivered to conveying end of tape, and substrate inductor senses substrate and will sense
Signal transmission to temperature control unit, the temperature control unit control clearance substrate of stop cylinder 11, the substrate after clearance enters back
Fluid welding stove 2, at set time intervals repeatedly said process until reflow soldering 2 in number of substrates reach preset value, this
Shi Zaixiang spacer mechanism conveying substrates, stop cylinder 11 will prevent, to substrate of being let pass in reflow soldering 2, then to enter with common process
Row Reflow Soldering.
(3) LED light bar after welding is exported by the discharging opening of reflow soldering 2, is transported lamp bar auto-cool system 1 to and is cooled down,
In the exit of reflow soldering 2, closure plate alarm mechanism is provided with, LED light bar is transmitted to the rolling of closure plate alarm mechanism by conveyer belt
Take turns at 6, lamp bar substrate top contacts with roller 6 and drives roller 6 to rotate, and then drive swing arm 5 to swing, so that opening travel is opened
4 are closed, can determine whether at substrate transport to roller 6 by the open and close state of travel switch 4；While the rotation also band of roller 6
Dynamic connected gear 8, the rotation of gear 8 drives connected sensor for countering 7 to count again, if detecting substrate still
Sensor for countering 7 is counted, then explanation has a closure plate phenomenon, and sensor for countering 7 is by this signal transmission to temperature control list
Unit, produces alarm signal prompting operator treatment abnormal.When determining whether that substrate passes through roller 6, rotated by roller 6
Whether whether frequency is more than the default value of temperature control unit to determine substrate in transmission, while can also turning by roller 6
Whether dynamic frequency is less than the default value of control unit to judge whether closure plate phenomenon.
(4) LED light bar for being completed through Reflow Soldering welding is automatic by being sent to lamp bar by conveyer belt after closure plate alarm mechanism
Cooling device, after air-cooled radiator and temperature control equipment cooling, surface temperature by more than 100 DEG C be reduced to 30 DEG C with
Under, the lamp bar after cooling enters new a collection of LED light bar to be cooled after sending out auto-cool system, realizes that cooling device enters plate and goes out
Plate is separate.
Obviously, above-described embodiment is only intended to clearly illustrate example, and not to the restriction of implementation method.It is right
For those of ordinary skill in the art, can also make on the basis of the above description other multi-forms change or
Change.There is no need and unable to be exhaustive to all of implementation method.And the obvious change thus extended out or
Among changing still in the protection domain of the invention.
Claims (10)
1. a kind of LED light bar cooling system, it is characterised in that the system includes lamp bar auto-cool system and temperature control list
Unit, being provided with the lamp bar auto-cool system reduces the cooling body of LED light bar surface temperature, the cooling body and institute
State temperature control unit electrical connection；The feed end and discharge end of the lamp bar auto-cool system are respectively connected with connecting gear.
2. LED light bar cooling system according to claim 1, it is characterised in that the lamp bar auto-cool system enters
Material end is connected to reflow soldering by connecting gear, is provided between the reflow soldering and the lamp bar auto-cool system stifled
Plate alarm mechanism, the temperature control unit is electrically connected with the closure plate alarm mechanism.
3. LED light bar cooling system according to claim 2, it is characterised in that the lamp bar auto-cool system and institute
State and be additionally provided with a caching machine between closure plate alarm mechanism, the other end of the lamp bar auto-cool system is connected to a cooling and connects
Platform is refuted, the temperature that the LED light bar temperature for detecting the output of lamp bar auto-cool system is provided with the cooling connection platform is passed
Sensor.
4. LED light bar cooling system according to claim 3, it is characterised in that the feeding end of the reflow soldering is set
There is warning lamp before automatic spacer mechanism and Reflow Soldering, the spacer mechanism is by substrate conveyer belt, stop cylinder and substrate inductor
Composition, the stop cylinder is arranged between the substrate conveyer belt and the reflow soldering feeding end, the substrate inductor
It is arranged between stop cylinder and substrate conveyer belt, the temperature control unit is electrically connected with the substrate inductor and stop cylinder
Connect.
5. LED light bar cooling system according to claim 2, it is characterised in that the closure plate alarm mechanism is contact
Velocity sensor, the contact velocity sensor is arranged at the connecting gear top.
6. LED light bar cooling system according to claim 5, it is characterised in that the contact velocity sensor includes
Base, the travel switch for being fixedly connected on the base, the travel switch are connected with roller, the conveyer by a swing arm
The substrate that structure is transported can drive the roller to rotate；Sensor for countering is provided with the swing arm.
7. LED light bar cooling system according to claim 6, it is characterised in that the sensor for countering bottom is connected with
One gear, the gear is connected by connecting shaft with the swing arm and roller.
8. LED light bar cooling system according to claim 7, it is characterised in that the contact velocity sensor is set
In the reflow soldering discharging opening side, the substrate transport after welding drives roller to rotate, so that described to the idler wheel bottom
Swing arm swings, starts travel switch；The roller senses the counting being connected with the gear also with the pinion rotation
Device is started counting up.
9. the LED light bar cooling system according to claim any one of 2-8, it is characterised in that the cooling body is wind
Cold heat sink, the temperature control device is temperature controller, and the connecting gear is conveyer belt.
10. LED light bar cooling system according to claim 9, it is characterised in that LED light bar after welding lamp bar from
In dynamic cooling device not higher than 30 DEG C are down in 5min internal surface temperatures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710178272.4A CN106764568B (en) | 2017-03-23 | 2017-03-23 | A kind of LED light bar cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710178272.4A CN106764568B (en) | 2017-03-23 | 2017-03-23 | A kind of LED light bar cooling system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106764568A true CN106764568A (en) | 2017-05-31 |
| CN106764568B CN106764568B (en) | 2019-07-30 |
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ID=58966610
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710178272.4A Active CN106764568B (en) | 2017-03-23 | 2017-03-23 | A kind of LED light bar cooling system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107946223A (en) * | 2017-11-20 | 2018-04-20 | 江门市隆信照明电器有限公司 | A kind of conduction mechanism for the encapsulated processing of LED light strip |
| CN108692206A (en) * | 2018-05-22 | 2018-10-23 | 东莞市豪顺精密科技有限公司 | A kind of production technology of direct-type backlight LED light bar |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102486536A (en) * | 2010-12-03 | 2012-06-06 | 隆达电子股份有限公司 | Detection machine, detection method and detection system |
| CN102588812A (en) * | 2011-01-12 | 2012-07-18 | 鸿富锦精密工业（深圳）有限公司 | Method for manufacturing LED (Light-Emitting Diode) light bar and manufacturing device thereof |
-
2017
- 2017-03-23 CN CN201710178272.4A patent/CN106764568B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102486536A (en) * | 2010-12-03 | 2012-06-06 | 隆达电子股份有限公司 | Detection machine, detection method and detection system |
| CN102588812A (en) * | 2011-01-12 | 2012-07-18 | 鸿富锦精密工业（深圳）有限公司 | Method for manufacturing LED (Light-Emitting Diode) light bar and manufacturing device thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107946223A (en) * | 2017-11-20 | 2018-04-20 | 江门市隆信照明电器有限公司 | A kind of conduction mechanism for the encapsulated processing of LED light strip |
| CN108692206A (en) * | 2018-05-22 | 2018-10-23 | 东莞市豪顺精密科技有限公司 | A kind of production technology of direct-type backlight LED light bar |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106764568B (en) | 2019-07-30 |
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