CN106764568B - A kind of LED light bar cooling system - Google Patents
A kind of LED light bar cooling system Download PDFInfo
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- CN106764568B CN106764568B CN201710178272.4A CN201710178272A CN106764568B CN 106764568 B CN106764568 B CN 106764568B CN 201710178272 A CN201710178272 A CN 201710178272A CN 106764568 B CN106764568 B CN 106764568B
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- led light
- light bar
- cooling
- auto
- lamp bar
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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 systems, the system comprises lamp bar auto-cool system and temperature control units, the cooling body for reducing LED light bar surface temperature is provided in the lamp bar auto-cool system, 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 transport mechanism.Lamp bar auto-cool system is transmitted to automatically by transport mechanism after the welded device of LED light bar (reflow soldering) welding, surface temperature is reduced to 30 DEG C or less by be cooled in auto-cool system mechanism and temperature control unit, temperature-fall period is no more than 5min, quickly, efficiently, controllability it is high, and whole process is not necessarily to manual handling, improves production efficiency while saving cost of labor.
Description
Technical field
The invention belongs to LED light bar production technical fields, relate in particular to a kind of LED light bar cooling system.
Background technique
LED light bar is widely used in various occasions as a kind of electric adornment, generally by lamp bead, printed circuit board,
Resistance, capacitor or IC driving composition, being divided into soft light bar according to the difference of printed circuit board type, (printed circuit board is FPC flexible
Plate) and hard lamp bar (printed circuit board be PCB hardboard), according to the different monochromatic lamp bars, seven-color LED item, unreal of being divided into of light color again
Color lamp item 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
Used for illumination, the light that white lamp bead issues it is soft it is bright, energy consumption is small, easy for installation, good appearance.
The production of LED light bar generallys use surface mount (SMT) technique, with tin cream and the method for Reflow Soldering by LED lamp bead
On a printed circuit board, to segmented operation is used after the welding of SMT tin cream, the LED light bar through high-temperature soldering is done offline for welding
Artificial air-cooled cooling after its cooling, then is carried to next workshop section.Although this lamp bar type of cooling flexibility is bigger,
It is that temperature-controllable is poor, and, high labor cost big to manpower demand, working efficiency and the degree of automation are low.
Summary of the invention
For this purpose, technical problem to be solved by the present invention lies in traditional lamp bar types of cooling using artificial air-cooled cooling shape
Formula, poor controllability, high labor cost, working efficiency and the degree of automation are low, to propose a kind of LED light bar cooling system.
In order to solve the above technical problems, technology contents of the invention are as follows:
The present invention provides a kind of LED light bar cooling system, and the system comprises lamp bar auto-cool systems and temperature to control
Unit, is provided with the cooling body for reducing LED light bar surface temperature in the lamp bar auto-cool system, 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 transport mechanism.
Preferably, the feed end of the lamp bar auto-cool system is connected to reflow soldering by transport mechanism, it is described
Closure plate alarm mechanism is provided between reflow soldering and the lamp bar auto-cool system, the temperature control unit is blocked up with described
The electrical connection of plate alarm mechanism.
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 on the cooling connection platform for detecting
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 by substrate conveyer belt, stop cylinder and substrate sensor group at the stop cylinder is set to the substrate conveying
Between band and the reflow soldering feeding end, the substrate inductor is set 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 setting
At the top of the transport mechanism.
Preferably, the contact velocity sensor includes pedestal, the travel switch for being fixedly connected on the pedestal, institute
It states travel switch and idler wheel is connected with by a swing arm, the substrate that the transport mechanism is transported can drive the idler wheel to rotate；It is described
Sensor for countering is provided in swing arm.
Preferably, the sensor for countering bottom is connected with a gear, the gear passes through connecting shaft and the swing arm
It is connected with idler wheel.
Preferably, the contact velocity sensor is set to reflow soldering discharge port side, the substrate after welding
Transport drives idler wheel rotation, to make the swing arm swing, starting travel switch to the idler wheel bottom；The idler wheel also band
The gear rotation, and then start counting the sensor for countering connecting 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 lamp bar auto-cool system in 5min internal surface temperature it is not high
In 30 DEG C.
The above technical solution of the present invention has the following advantages over the prior art:
(1) LED light bar cooling system of the present invention, the system comprises lamp bar auto-cool systems and temperature to control
Unit, is provided with the cooling body for reducing LED light bar surface temperature in the lamp bar auto-cool system, 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 transport mechanism.
Lamp bar auto-cool system is transmitted to automatically by transport mechanism after the welded device of LED light bar (reflow soldering) welding, automatic
Be cooled in cooling device mechanism and temperature control unit by surface temperature be reduced to 30 DEG C hereinafter, temperature-fall period is no more than
5min, quickly, efficient, controllability is high, and whole process is not necessarily to manual handling, and production is improved while saving cost of labor
Efficiency.
(2) feed end of LED light bar cooling system of the present invention, the lamp bar auto-cool system passes through 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
Spacer mechanism is set to before reflow soldering, can realize base to be welded of letting pass according to the preset time interval into reflow soldering
Plate, so that the substrate in furnace can be uniformly distributed as requested, the LED light bar after finally making welding is filled even into cooling
Set, in cooling device, the accurate surface temperature for controlling cooling time and lamp bar, reach cooling duration not enough, lamp bar surface temperature
Spend the effect of not low not ejecting plate.Closure plate alarm mechanism is contact velocity sensor, and it is automatic with lamp bar to be set to reflow soldering
In transport mechanism between cooling device, soldering furnace rear blocking plate alarm prompt function is realized by contact induction mode, it should
The setting of device ensures that the uninterrupted ejecting plate of reflow soldering, cooling device uninterruptedly into plate, improve welding, cooling treatment effect
Rate.
Detailed description of the invention
In order to make the content of the present invention more clearly understood, it below according to specific embodiments of the present invention and combines
Attached drawing, the present invention is described in further detail, wherein
Fig. 1 is the structural schematic diagram of LED light bar welding system described in the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of spacer mechanism in LED light bar welding system described in the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of closure plate alarm mechanism in LED light bar welding system described in the embodiment of the present invention.
Appended drawing reference indicates in figure are as follows: 1- lamp bar auto-cool system；2- reflow soldering；3- pedestal；4- travel switch；5-
Swing arm；6- idler wheel；7- sensor for countering；8- gear；9- caches machine；10- cools down connection platform；11- stop cylinder.
Specific embodiment
Embodiment
The present embodiment provides a kind of LED light bar cooling systems, and the system comprises for keeping the LED light bar after welding cooling
Lamp bar auto-cool system 1 and temperature control unit for controlling welding and cooling procedure, the temperature control unit is
The controlling terminals such as computer, lamp bar auto-cool system 1 have cooling device ontology, be provided in cooling device ontology receiving to
The receiving cavity of cooling LED light bar, the cooling device ontology have a feed end and a discharge end, the side wall of receiving cavity
It is provided with the cooling body for reducing LED light bar surface temperature, cooling body is electrically connected with temperature control unit, temperature control unit
For temperature controller, after LED light bar cooling time and surface temperature in lamp bar auto-cool system 1 reach setting value, temperature control
Device controls the clearance LED light bar to subsequent processing.The feed end and discharge end of the lamp bar auto-cool system 1 are respectively connected with
Transport mechanism, 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 transport mechanism is conventional conveyer belt, is used for transmission to be cooled
LED light bar and lamp bar after cooling, 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 transport mechanism
It is provided between furnace 2 and lamp bar auto-cool system 1 and is alarmed after reflow soldering 2 for detecting with the presence or absence of the closure plate of closure plate phenomenon
Mechanism, the closure plate alarm mechanism are 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 setting
At the top of transport mechanism between reflow soldering and auto-cool system, specifically include: pedestal 3, the pedestal 3 are fixedly connected
In the one end of conveyer belt far from reflow soldering, travel switch 4 is fixedly connected on pedestal 1, the travel switch 4 passes through a swing arm
5 are connected to an idler wheel 6, and the substrate that the conveyer belt transports drives idler wheel 6 to rotate, and counting sensing is additionally provided in the swing arm 5
Device 7, the bottom of sensor for countering 7 are connected with a gear 8, and gear 8 is connect by connecting shaft with the swing arm 5 and idler wheel 6, idler wheel
6 roll drive swing arm 5 swing and the rotation of gear 8.The contact velocity sensor is set to the reflow soldering outlet side,
LED light bar after welding is transported to 6 bottom of idler wheel, and idler wheel 6 is driven to rotate, to make the swing arm 5 swing, starting stroke
Switch 4 detects substrate；The idler wheel 6 is also rotated with the gear 8, and then makes the sensor for countering 7 connecting with the gear 8
It starts counting.
Further, it is additionally provided with a caching machine 9 between the lamp bar auto-cool system 1 and closure plate alarm mechanism, delays
Machine 9 is deposited 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 on cooling connection platform 10, after cooling
LED light bar carry out multiple spot detection, the then temperature control unit if any the below standard standard of cooling controls it and retracts lamp bar and cools down automatically
In device 1, non-defective unit is then sent 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 furnace 2 vacancy be less than 5 when, warning lamp glassy yellow before Reflow Soldering, prompt stop put plate, when in reflow soldering 2 vacancy be 0 or
Closure plate warning device after person's reflow soldering 2 has detected closure plate phenomenon, then sends out a warning, while buzzing is alarmed, and prompts artificial place
Reason, warning lamp is green when normal.Automatic spacer mechanism into reflow soldering for realizing letting pass at set intervals
LED light bar to be welded is evenly distributed the lamp bar in furnace as requested, at the same can also be cached after furnace reach setting deposit plate number
LED light bar is stopped to be let pass in furnace after amount.
Specifically, as shown in figure 3, the spacer mechanism by substrate conveyer belt, stop cylinder 11 and substrate sensor group at,
The substrate inductor is PM-T45 photoelectric sensor, and the substrate conveyer belt is set on one group of delivery track, further includes driving
The driving motor of dynamic substrate conveyer belt operating, the stop cylinder 11 are set to the feeding end of substrate conveyer belt Yu reflow soldering 2
Between, and be located at the delivery terminal of substrate conveyer belt, substrate inductor is set 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 lets pass substrate to be welded into reflow soldering 2 to reaching preset quantity, the LED light bar after welding according to it is fixed when
Between interval enter 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 1 ejecting plate of lamp bar auto-cool system.
LED light bar welding system, the course of work described in the present embodiment are as follows:
(1) print solder paste on printed circuit board substrate, mounts LED lamp bead using chip mounter on substrate.
(2) substrate conveyer belt of the substrate transport of LED lamp bead into spacer mechanism, control unit control base board will be pasted with
Tape starting is conveyed, the substrate for being pasted with LED lamp bead is delivered to conveying end of tape, substrate inductor senses substrate and will induction
Signal is transmitted to temperature control unit, and temperature control unit controls 11 clearance substrate of stop cylinder, and the substrate after clearance enters back
Fluid welding furnace 2, repeat the above process at set time intervals until reflow soldering 2 in number of substrates reach preset value, this
Shi Zaixiang spacer mechanism conveying substrate, stop cylinder 11 will prevent substrate of letting pass into reflow soldering 2, then with common process into
Row Reflow Soldering.
(3) LED light bar after welding transports the cooling of lamp bar auto-cool system 1 to by the discharge port output of reflow soldering 2,
In the exit of reflow soldering 2, it is provided with closure plate alarm mechanism, LED light bar is transmitted to the rolling of closure plate alarm mechanism by conveyer belt
It takes turns at 6, lamp bar substrate top contacts with idler wheel 6 and idler wheel 6 is driven to rotate, and then swing arm 5 is driven to swing, so that opening travel is opened
4 are closed, can determine whether at substrate transport to idler wheel 6 by the open and close state of travel switch 4；The rotation also band of idler wheel 6 simultaneously
Gear 8 connected to it is moved, the rotation of gear 8 drives sensor for countering 7 connected to it to count again, if detecting substrate still
Sensor for countering 7 is not counted, then there are closure plate phenomenons, sensor for countering 7, and this signal is transmitted to temperature control list for explanation
It is abnormal to generate alarm signal prompt operator processing for member.When judging whether there is substrate by idler wheel 6, rotated by idler wheel 6
Whether frequency is greater than the preset value of temperature control unit to determine whether substrate is being driven, while can also be turned by idler wheel 6
Dynamic frequency whether is lower than the preset value of control unit to determine whether there are closure plate phenomenons.
(4) to be sent to lamp bar by conveyer belt after closure plate alarm mechanism through the soldered LED light bar of Reflow Soldering automatic
Cooling device, after air-cooled radiator and temperature control equipment cooling, surface temperature by 100 DEG C or more be reduced to 30 DEG C with
Under, lamp bar after cooling enters new a batch LED light bar to be cooled after sending out auto-cool system, realizes that cooling device goes out into plate
Plate is mutually indepedent.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (9)
1. a kind of LED light bar cooling system, which is characterized in that the system comprises lamp bar auto-cool system and temperature control are single
Member is provided with the cooling body for reducing LED light bar surface temperature, the cooling body and institute in the lamp bar auto-cool system
State temperature control unit electrical connection；The feed end and discharge end of the lamp bar auto-cool system are respectively connected with transport mechanism；Institute
The feed end for stating lamp bar auto-cool system is connected to reflow soldering by transport mechanism, and the reflow soldering and the lamp bar are certainly
It is provided with closure plate alarm mechanism between dynamic cooling device, the temperature control unit is electrically connected with the closure plate alarm mechanism.
2. LED light bar cooling system according to claim 1, which is characterized in that the lamp bar auto-cool system and institute
It states and is 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 on the cooling connection platform passes
Sensor.
3. LED light bar cooling system according to claim 2, which is characterized in that the feeding end of the reflow soldering is arranged
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 are set between the substrate conveyer belt and the reflow soldering feeding end, the substrate inductor
It is set between stop cylinder and substrate conveyer belt, the temperature control unit is electrically connected with the substrate inductor and stop cylinder
It connects.
4. LED light bar cooling system according to claim 3, which is characterized in that the closure plate alarm mechanism is contact
Velocity sensor, the contact velocity sensor are set at the top of the transport mechanism.
5. LED light bar cooling system according to claim 4, which is characterized in that the contact velocity sensor includes
Pedestal, the travel switch for being fixedly connected on the pedestal, the travel switch are connected with idler wheel, the conveyer by a swing arm
The substrate that structure transports can drive the idler wheel to rotate；Sensor for countering is provided in the swing arm.
6. LED light bar cooling system according to claim 5, which is characterized in that the sensor for countering bottom is connected with
One gear, the gear are connect by connecting shaft with the swing arm and idler wheel.
7. LED light bar cooling system according to claim 6, which is characterized in that the contact velocity sensor setting
In reflow soldering discharge port side, the substrate transport after welding drives idler wheel rotation, to make described to the idler wheel bottom
Swing arm swings, starts travel switch；The idler wheel is also rotated with the gear, and then senses the counting connecting with the gear
Device starts counting.
8. according to the described in any item LED light bar cooling systems of claim 2-7, which is characterized in that the cooling body is wind
Cold heat sink, the temperature control device are temperature controller, and the transport mechanism is conveyer belt.
9. LED light bar cooling system according to claim 8, which is characterized in that the LED light bar after welding is automatic in lamp bar
It is down in 5min internal surface temperature not higher than 30 DEG C in cooling device.
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 |
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| 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 |
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| Publication Number | Publication Date |
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| CN106764568A CN106764568A (en) | 2017-05-31 |
| CN106764568B true CN106764568B (en) | 2019-07-30 |
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Families Citing this family (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 |
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