CN202293694U

CN202293694U - Ultraviolet curing device

Info

Publication number: CN202293694U
Application number: CN2011204252056U
Authority: CN
Inventors: 郭仕钦; 向华
Original assignee: Shenzhen Runtianzhi Digital Equipment Co Ltd
Current assignee: Shenzhen Runtianzhi Digital Equipment Co Ltd
Priority date: 2011-11-01
Filing date: 2011-11-01
Publication date: 2012-07-04
Anticipated expiration: 2021-11-01

Abstract

The utility model discloses an ultraviolet curing device. The device comprises a water-cooling radiating system, wherein the water-cooling radiating system comprises a first heat conducting surface and a second heat conducting surface which are oppositely arranged, and a side surface which is connected between the first heat conducting surface and the second heat conducting surface; at least one ultraviolet light-emitting diode (UVLED) module is fixed on the first heat conducting surface; at least one control circuit for controlling the UVLED module to switch on/off is fixed on the side surface; a radiating surface of a heating element of the control circuit is fixed on the second heat conducting surface; and the UVLED module is electrically connected with the control circuit. By fixing the UVLED module and the heating element of the control circuit on the first heat conducting surface and the second heat conducting surface of the water-cooling radiating system respectively, the UVLED module and the heating element can better radiate heat and normally work, and the service life of the UVLED module and the heating element can be prolonged; and the ultraviolet curing device has adjustable power and is high in flexibility.

Description

A kind of ultraviolet light polymerization device

Technical field

The utility model relates to painting industry, relates in particular to a kind of ultraviolet light polymerization device.

Background technology

At present, the mode with ultraviolet light solidified ink in painting industry mainly is traditional ultraviolet source, promptly sends ultraviolet light by ultraviolet lamp tube; But the UV lamp tube service life is short, and power consumption is big, needs often to change fluorescent tube; Had a strong impact on production efficiency and wasting manpower and material resources, and this UV (ultraviolet ray) fluorescent tube caloric value being big, the surface of the light tube temperature can be up to 700 ° ~ and 800 °; Though adopt fan to dispel the heat, it is inhomogeneous to dispel the heat, and holds on the material that can't stand high temperature thereby make this ultraviolet light polymerization device not only not be suitable for; Can not guarantee this ultraviolet light polymerization device operate as normal, shorten its service life.

The utility model content

The utility model technical problem to be solved is, a kind of ultraviolet light polymerization device is provided, and can dispel the heat preferably, guarantees its operate as normal, and has prolonged service life.

In order to solve the problems of the technologies described above; The utility model provides a kind of ultraviolet light polymerization device; Comprise water-cooling heat radiating system; Said water-cooling heat radiating system comprises first thermal conductive surface, second thermal conductive surface and side, and said first thermal conductive surface and second thermal conductive surface are oppositely arranged, and said side is connected between said first thermal conductive surface and second thermal conductive surface; Be fixed with at least one ultraviolet LED module on said first thermal conductive surface; Be fixed with on the said side and be used to control open/close at least one control circuit of said ultraviolet LED module, and the radiating surface of the heater element of said control circuit is fixed on said second thermal conductive surface, said ultraviolet LED module and said control circuit are electrically connected.

Wherein, said ultraviolet LED module comprises the Metal Substrate heat sink, is fixed with a plurality of ultraviolet LEDs on the said Metal Substrate heat sink, and said Metal Substrate heat sink is fixed on said first thermal conductive surface.

Wherein, said ultraviolet LED module also comprises the polylith copper sheet, and an end and the said ultraviolet LED of said copper sheet are electrically connected, and the other end extends along said side and said control circuit is electrically connected.

Wherein, said Metal Substrate heat sink and the contacted contact-making surface of said first thermal conductive surface are provided with heat conductive silica gel.

Wherein, said Metal Substrate heat sink is an aluminium base.

Wherein, be fixed with the heat conduction rubber cushion between second thermal conductive surface of the radiating surface of said heater element and said water-cooling heat radiating system.

Wherein, Said control circuit comprises a plurality of FETs that are used to light/cut out said ultraviolet LED; Be used to produce the control module that control signal is controlled said FET conduction and cut-off; The grid of said FET is connected with the output of said control module, and its drain electrode is electrically connected its source ground with the anode of said ultraviolet LED.

Implement the utility model, have following beneficial effect:

The ultraviolet light polymerization device of the utility model adopts UV LED as ultraviolet source; Adopt water-cooling heat radiating system to dispel the heat; And the radiating surface of the heater element of UV led module and control circuit is separately fixed at first thermal conductive surface and second thermal conductive surface of this water-cooling heat radiating system; Thereby make the heat radiation of this UV led module and heater element evenly, guarantee that it can operate as normal, and then prolong its service life; And the UV led module of the ultraviolet light polymerization device of the utility model can increase or reduce as required accordingly, and promptly the watt level of this ultraviolet light polymerization device is adjustable, thereby makes that this device flexibility is higher, and environment-adapting ability is strong.

The ultraviolet light polymerization device of the utility model adopts FET to light and close this UV LED; When having avoided adopting in the tradition metal catch to block or draw back the UV fluorescent tube that always is held open state; The noise that produces; And, further prolonged its service life because UV LED needn't keep the state lighted always.

Description of drawings

In order to be illustrated more clearly in the utility model or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.

Fig. 1 a and Fig. 1 b are respectively the sketch mapes of the annexation of UV led module among the embodiment of ultraviolet light polymerization device of reflection the utility model, control circuit and water-cooling heat radiating system;

Fig. 2 is the structural representation of the UV led module among the embodiment of ultraviolet light polymerization device of the utility model;

Fig. 3 is the sketch map of UV led module and control circuit annexation among the embodiment of ultraviolet light polymerization device of reflection the utility model;

Fig. 4 is the sketch map of UV led module and water-cooling heat radiating system annexation among the another embodiment of ultraviolet light polymerization device of reflection the utility model;

Fig. 5 is the sketch map of control circuit and water-cooling heat radiating system annexation among the another embodiment of ultraviolet light polymerization device of reflection the utility model.

The specific embodiment

To combine the accompanying drawing in the utility model below, the technical scheme in the utility model is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.

The ultraviolet light polymerization device of the utility model; Through adopting UV LED as ultraviolet light source; And, make that the heater element on UV led module and the control circuit board can be good at heat radiation, thereby prolonged the service life of this ultraviolet light polymerization device by the special mounting structure between this UV LED and its control circuit board; And its power can be adjusted as required accordingly, and flexibility is stronger.

Referring to Fig. 1 a, Fig. 1 b and Fig. 3; Be respectively the structural representation of annexation of UV led module and control circuit and water-cooling heat radiating system of ultraviolet light polymerization device one embodiment of reflection the utility model, and the sketch map of the annexation of UV led module and control circuit.

Referring to Fig. 1 a and Fig. 3; The ultraviolet light polymerization device of present embodiment comprises water-cooling heat radiating system 1; This water-cooling heat radiating system 1 comprises first thermal conductive surface 11, side 12 and second thermal conductive surface 13, and this first thermal conductive surface 11 and second thermal conductive surface 13 are oppositely arranged, and side 12 is connected between this first thermal conductive surface 11 and second thermal conductive surface 13; And this second thermal conductive surface 13 is provided with water inlet pipe 14 and outlet pipe 15, is fixed with a UV led module 2 on this first thermal conductive surface 11; Particularly; Referring to Fig. 2, this UV led module comprises Metal Substrate heat sink 21, and is fixed with a plurality of UV LED22 side by side on this Metal Substrate heat sink 21; In order can better to dispel the heat, on the contacted contact-making surface of this Metal Substrate heat sink 21 and this first thermal conductive surface 11, be provided with heat conductive silica gel; In one specific embodiment, this Metal Substrate heat sink 21 adopts aluminium base heat sink;

Referring to Fig. 1 b and Fig. 3, the side 12 of this water-cooling heat radiating system 1 is fixed with one and is used to control this UV led module 2 open/close control circuits 3, particularly; This control circuit 3 comprises a plurality of FETs 31 that are used to light/cut out this UV LED22, is used to produce the control module 30 of these FET 31 conduction and cut-off of control signal control, is used to the power supply conversion IC 32 of these control module 30 power supplies; Wherein, this power supply conversion IC 32 is electrically connected with this control module 30, and the grid of this FET 31 is connected with the output of control module 30; Its drain electrode is electrically connected with the anode of UV LED22; Its source ground, when control module 30 produced this FET 31 of control signal conducting, UV LED22 was lighted; When control module 30 produced control signal by this FET 31, UV LED22 closed; The heater element of this control circuit 3 comprises this FET 31 and power supply conversion IC 32; Radiating surface with this FET 31 and power supply conversion IC 32 in the present embodiment all is fixed on second thermal conductive surface 13 of this water-cooling heat radiating system 1; And also be provided with the insulating heat-conductive rubber cushion between this radiating surface and this second thermal conductive surface 13; Thereby make each heater element to dispel the heat better, in the specific embodiment, this FET 31 is vertically mounted on the circuit board of control circuit 3 with power supply conversion IC 32; And each FET 31 corresponding two UV LED22, the certain number that also can change each FET 31 corresponding UV LED22 as required;

Referring to Fig. 2 and Fig. 3; This UV led module 2 also comprises polylith copper sheet 23; One end 231 of copper sheet 23 is fixed on the Metal Substrate heat sink 21; And be connected with the anode of UV LED22, the other end 232 of copper sheet 23 is connected with the drain electrode of the FET 31 of control circuit 3 along side 12 extensions of water-cooling heat radiating system 1, promptly connects this FET 31 and UV LED22 through this copper sheet 23.Because when installing, the gap ratio between UV led module 2 and the control circuit 3 is less, use the lead inconvenient installation; And, when using lead to connect, need to use thicker lead because the electric current of each UV LED22 is bigger in this UV led module 2; More be not easy to install, therefore, present embodiment connects this UV LED22 and control circuit 3 through adopting copper sheet 23; The cross section that electric current is flowed through increases, and can dispel the heat preferably, and adopt copper sheet to be easy to install.

The ultraviolet curing device of present embodiment is separately fixed at first thermal conductive surface 11 and second thermal conductive surface 13 of water-cooling heat radiating system 1 through the radiating surface with the heater element of UV led module 2 and control circuit 3; Thereby make the heater element of this UV led module 2 and control circuit 3 fully to dispel the heat, and then prolong the service life of this ultraviolet light polymerization device.Adopt FET 31 to control the switch of this UV LED22 simultaneously in the present embodiment; Thereby avoided to open this ultraviolet source in the tradition always, when needs are closed, blocked ultraviolet source with the metal catch; And then the service life of prolongation UV LED22, and can not produce bigger noise.

Referring to Fig. 4 and Fig. 5, be respectively the sketch map of annexation of UV led module and control circuit and water-cooling heat radiating system of another embodiment of the ultraviolet light polymerization device of reflection the utility model.Be fixed with two UV led modules 2 side by side on first thermal conductive surface 11 of the water-cooling heat radiating system 1 in the present embodiment, these two UV led modules 2 are identical with UV led module 2 in the foregoing description, and identical module adopts identical Reference numeral; This ultraviolet light polymerization device comprises that also the user controls two control circuits 3 that two above-mentioned UV led modules 2 are lighted/closed respectively; These two control circuits 3 are separately fixed at two sides that are oppositely arranged 12 of this water-cooling heat radiating system 1, and the radiating surface of the heater element of these two control circuits 3 (comprising FET 31 and power supply conversion IC 32) is fixed on second thermal conductive surface 13 of this water-cooling heat radiating system 1.

The quantity of the UV led module 2 of the ultraviolet light polymerization device of present embodiment can increase or reduce as required accordingly, and promptly the watt level of this ultraviolet light polymerization device is adjustable, thereby makes that its flexibility is stronger.

Below in conjunction with operation principle, the ultraviolet light polymerization device of present embodiment is carried out detailed explanation.

The control module 30 of the control circuit 3 in the present embodiment has detected shutter when opening signal, and then this control circuit 3 will be given FET 31 1 control signals, i.e. high level; This FET 31 of conducting, thus UV led module 2 is inserted the 24V DC voltage, and this UV led module 2 is lighted; When adopting powerful UV led chip, the electric current of the UV LED22 that flows through is bigger, thereby these UV led module 2 heatings are bigger; Because this UV led module 2 is fixed on first thermal conductive surface 11 of water-cooling heat radiating system 1; The water inlet pipe 14 of this water-cooling heat radiating system 1 flows into cold water, and in internal flow, thereby outlet pipe 15 flows out; This UV led module 2 and the heat that heater element produces are taken away, and then made this UV led module and heater element can be good at heat radiation; After this UV led module 2 was lighted, control circuit 3 detected the temperature of water-cooling heat radiating system 1 in real time, if temperature is too high; Possibly be that water-cooling heat radiating system 1 fault causes,, need close this UV led module 2 in order to protect UV led module 2; Therefore, this control circuit 3 produces control signal, i.e. a low level; Make this FET 31 end, thereby close this UV led module 2; This UV led module 2 is by in the process of lighting, and this control circuit 3 detects the electric current of the UV led module of flowing through in real time, and when electric current was excessive, control circuit 3 adjustment electric currents made it all the time in a suitable number range.

Above disclosedly be merely the utility model preferred embodiment; Certainly can not limit the interest field of the utility model with this; One of ordinary skill in the art will appreciate that all or part of flow process that realizes the foregoing description; And according to the equivalent variations that the utility model claim is done, the scope that still belongs to utility model and contained.

Claims

1. ultraviolet light polymerization device; It is characterized in that; Comprise water-cooling heat radiating system; Said water-cooling heat radiating system comprises first thermal conductive surface, second thermal conductive surface and side, and said first thermal conductive surface and second thermal conductive surface are oppositely arranged, and said side is connected between said first thermal conductive surface and second thermal conductive surface; Be fixed with at least one ultraviolet LED module on said first thermal conductive surface; Be fixed with on the said side and be used to control open/close at least one control circuit of said ultraviolet LED module, and the radiating surface of the heater element of said control circuit is fixed on said second thermal conductive surface, said ultraviolet LED module and said control circuit are electrically connected.

2. ultraviolet light polymerization device as claimed in claim 1; It is characterized in that; Said ultraviolet LED module comprises the Metal Substrate heat sink, is fixed with a plurality of ultraviolet LEDs on the said Metal Substrate heat sink, and said Metal Substrate heat sink is fixed on said first thermal conductive surface.

3. ultraviolet light polymerization device as claimed in claim 2; It is characterized in that; Said ultraviolet LED module also comprises the polylith copper sheet, and an end and the said ultraviolet LED of said copper sheet are electrically connected, and the other end extends along said side and said control circuit is electrically connected.

4. ultraviolet light polymerization device as claimed in claim 3 is characterized in that, said Metal Substrate heat sink and the contacted contact-making surface of said first thermal conductive surface are provided with heat conductive silica gel.

5. ultraviolet light polymerization device as claimed in claim 4 is characterized in that, said Metal Substrate heat sink is an aluminium base.

6. like any described ultraviolet light polymerization device in the claim 1 to 5, it is characterized in that, be fixed with the heat conduction rubber cushion between second thermal conductive surface of the radiating surface of said heater element and said water-cooling heat radiating system.

7. like any described ultraviolet light polymerization device in the claim 2 to 5; It is characterized in that; Said control circuit comprises a plurality of FETs that are used to light/cut out said ultraviolet LED, is used to produce the control module that control signal is controlled said FET conduction and cut-off, and the grid of said FET is connected with the output of said control module; Its drain electrode is electrically connected its source ground with the anode of said ultraviolet LED.