CN105172392A - Ultraviolet lamp curing device and curing method thereof - Google Patents
Ultraviolet lamp curing device and curing method thereof Download PDFInfo
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- CN105172392A CN105172392A CN201510525679.0A CN201510525679A CN105172392A CN 105172392 A CN105172392 A CN 105172392A CN 201510525679 A CN201510525679 A CN 201510525679A CN 105172392 A CN105172392 A CN 105172392A
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Abstract
The invention discloses an ultraviolet lamp curing device and a curing method thereof. The ultraviolet lamp curing device comprises a reading module, at least one ultraviolet lamp and a control module, wherein the reading module reads a coordinate position of a printing module; the control module judges whether the ultraviolet lamp is positioned in an image area according to the coordinate position of the printing module; if the ultraviolet lamp is positioned in the image area, the control module controls the ultraviolet lamp to be turned on; and if the ultraviolet lamp is outside the image area, the control module controls the ultraviolet lamp to be turned off. Thus, the on-off state of the ultraviolet lamp can be accurately controlled according to the size of a printed image, the curing is started where the image exists, the ultraviolet lamp is turned off immediately where no image exists, and a situation that the ultraviolet lamp is turned on when the ultraviolet lamp is not necessary is avoided. The ultraviolet lamp is high-energy equipment, so that the energy-saving purpose is achieved in this way, the curing effect is good, and printing media can not be subjected to buckling deformation.
Description
Technical field
The present invention relates to digit printing curing technology, particularly ultraviolet light curing device and curing thereof.
Background technology
Digit printing function is used for the high-speed spinning fabric digital jet printing system that technical grade is produced, and it integrates outstanding print speed and exquisite pattern amount, needs after printing to make ink dried thus adheres on the print medium.
The ultraviolet light curing technology of general employing solidifies printed drawings picture at present, and the switch control rule of traditional ultraviolet light curing technology mainly contains the following two kinds mode:
A kind of mode is: whole print procedure medium ultraviolet lamp is all often opened, only come off duty do not print in close, this mode easily causes energy dissipation, not environmentally, print media is easily by series of problems such as high temperature deformation warpage, lamp service life are short.
Another kind of mode is: on digit printing machine equipment, install a kind of mechanical shutter devices additional, be equivalent to exactly do a window to uviol lamp, when uviol lamp is in image-region, window is opened, allow ultraviolet lighting be mapped on image image is solidified, leave image-region just in window closed, prevent ultraviolet light from leaking, so just can when not needing ultraviolet light polymerization, preventing ultraviolet lighting to be mapped on print media causes print media to be subject to high temperature deformation warpage, but still can not solve energy dissipation, not environmentally, lamp short grade in service life series of problems, and mechanical shutter action is very slow, the situation of wait is there is under the condition of flying print, and frequent switch in high temperature environments, be easy to stuck, cause the factors of instability, more cannot realize Precision switch to control.
The common three kinds uviol lamps that can be used for solidifying are as follows:
1, mercury lamp: this is the most general product of current domestic use, and its feature is that cost is low, it is also low that it controls power supply cost, so be widely used, but its solidification effect do not have other two kinds good, general solidification energy value can only reach 200 MJs every square centimeter.Other shortcoming is that energy consumption is large, in digital-code printer, general power is all at more than 2000W, and each close after again start the start of more than 4 minutes must be had just to reach normal Energy transmission state preheating time, and the life-span is short, general mercury lamp only has the service life of 500 hours.
2, Halogen lamp LED: this lamp with the addition of some inert gases exactly inside mercury lamp, but these lamps are main based on import at present, its feature is that cost is high, its control power supply cost is also high, so can adopt in some high-end digital printing devices, its solidification energy value can reach 300 MJs every square centimeter.Its shortcoming is also that energy consumption is large, in digital-code printer, general power is all at more than 2000W, and each close after again start the start of more than 4 minutes must be had just to reach normal Energy transmission state preheating time, and the life-span is short, general Halogen lamp LED only has the service life of 1000 hours.
3, LED: this is a kind of brand-new ultraviolet Technology, development in these several years is very fast, compact, and power consumption is little, general power is all at 1000W, can realize high-speed switch, ultraviolet wastewater value is suitable with Halogen lamp LED, and the life-span is long, 20000 hours can be reached, cost is the twice of traditional mercury lamp, but the cost on average got off by the life-span is just very low, so just disposable input is larger.
Above-mentioned three kinds of modes still can not solve the problem of energy waste, and start is long for preheating time, and cost is high.Thus prior art need to improve.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art part, the object of the present invention is to provide ultraviolet light curing device and curing thereof, accurately can control ultraviolet violet light switch according to picture size, while reaching solidification object, save electric energy.
In order to achieve the above object, this invention takes following technical scheme:
A kind of ultraviolet light curing device, it comprises reading module, at least one uviol lamp and controls module, and read the coordinate position of print module by reading module, according to the coordinate position of print module, described control module judges whether uviol lamp is arranged in image-region; Control uviol lamp to open when uviol lamp is arranged in image-region; When uviol lamp is when image-region is outer, controls uviol lamp and close.
In described ultraviolet light curing device, described uviol lamp is two or more, described control module specifically for, carry out counting according to read signal and calculate print module coordinate position, calculate the coordinate position of each uviol lamp according to the coordinate position of print module in real time, and judge whether each uviol lamp is arranged in image-region; When two uviol lamps are all arranged in image-region, control two uviol lamps and all open; When a uviol lamp is positioned at outside image-region, controls corresponding uviol lamp and close; When all uviol lamps are all positioned at outside image-region, control all uviol lamps and close.
In described ultraviolet light curing device, described control module is also for regulating the power output of uviol lamp in real time according to the color coverage rate of image-region.
In described ultraviolet light curing device, described control module also for when reading module reads less than data, controls uviol lamp and closes.
In described ultraviolet light curing device, described control module comprises: FPGA, the first opto-coupler chip, the second opto-coupler chip, the first metal-oxide-semiconductor, the second metal-oxide-semiconductor, the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance and the 6th resistance; 1st end of described first opto-coupler chip connects 3.3V feeder ear, 2nd end of the first opto-coupler chip connects FPGA by the first resistance, 3rd end of described first opto-coupler chip connect the first metal-oxide-semiconductor grid, also by the 3rd resistance eutral grounding, 4th end of described first opto-coupler chip connects 24V feeder ear by the second resistance, the drain electrode of described first metal-oxide-semiconductor connects the negative electrode of the first uviol lamp, the source ground of the first metal-oxide-semiconductor; The anode of described first uviol lamp connects 24V feeder ear; 1st end of described second opto-coupler chip connects 3.3V feeder ear, 2nd end of the second opto-coupler chip connects FPGA by the 4th resistance, 3rd end of described second opto-coupler chip connect the second metal-oxide-semiconductor grid, also by the 6th resistance eutral grounding, 4th end of described second opto-coupler chip connects 24V feeder ear by the 5th resistance, the drain electrode of described second metal-oxide-semiconductor connects the negative electrode of the second uviol lamp, the source ground of the second metal-oxide-semiconductor; The anode of described second uviol lamp connects 24V feeder ear.
In described ultraviolet light curing device, described reading module comprises grating reading head and grating scale, and described grating reading head is arranged on print module, and described grating scale is arranged at and prints on crossbeam.
In described ultraviolet light curing device, described control module also comprises: the 3rd opto-coupler chip, the 4th opto-coupler chip, the 5th opto-coupler chip, the 7th resistance, the 8th resistance, the 9th resistance, the tenth resistance, the 11 resistance and the 12 resistance; 1st end of described 3rd opto-coupler chip connects 24V feeder ear by the tenth resistance, and the 2nd end of described 3rd opto-coupler chip connects grating reading head, and the 4th end of described 3rd opto-coupler chip connects FPGA, also connects 3.3V feeder ear by the 7th resistance; 1st end of described 4th opto-coupler chip connects 24V feeder ear by the 11 resistance, and the 2nd end of described 4th opto-coupler chip connects grating reading head, and the 4th end of described 4th opto-coupler chip connects FPGA, also connects 3.3V feeder ear by the 8th resistance; 1st end of described 5th opto-coupler chip connects 24V feeder ear by the 12 resistance, and the 2nd end of described 5th opto-coupler chip connects grating reading head, and the 4th end of described 5th opto-coupler chip connects FPGA, also connects 3.3V feeder ear by the 9th resistance; The equal ground connection of 3rd end of the 3rd end of described 3rd opto-coupler chip, the 3rd end of the 4th opto-coupler chip and the 5th opto-coupler chip.
A curing for ultraviolet light curing device described above, it comprises the steps:
A, reading module read the coordinate position of print module;
According to the coordinate position of print module, B, control module judge whether uviol lamp is arranged in image-region; Control uviol lamp to open when uviol lamp is arranged in image-region; When uviol lamp is when image-region is outer, controls uviol lamp and close.
In described curing, described uviol lamp is two or more, and described step B specifically comprises:
B1, carry out counting according to read signal and calculate print module coordinate position;
B2, calculate the coordinate position of each uviol lamp in real time according to the coordinate position of print module, and judge whether each uviol lamp is arranged in image-region; When two uviol lamps are all arranged in image-region, control two uviol lamps and all open; When a uviol lamp is positioned at outside image-region, controls corresponding uviol lamp and close; When all uviol lamps are all positioned at outside image-region, control all uviol lamps and close.
In described curing, described step B also comprises: the power output regulating uviol lamp according to the color coverage rate of image-region in real time.
Compared to prior art, ultraviolet light curing device provided by the invention and curing thereof, comprise reading module, at least one uviol lamp and control module, read the coordinate position of print module by reading module, according to the coordinate position of print module, described control module judges whether uviol lamp is arranged in image-region; Control uviol lamp to open when uviol lamp is arranged in image-region; When uviol lamp is when image-region is outer, control uviol lamp is closed, thus the switch of uviol lamp accurately can be controlled according to printed picture size, there iing the place of image to start solidification, do not having the local of image to close uviol lamp at once, avoid opening uviol lamp when there is no need, because uviol lamp is high-energy device, can reach energy-conservation object like this, and solidification effect is good, print media can not buckling deformation.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of ultraviolet light curing device provided by the invention.
Fig. 2 is the structural representation of reading module, uviol lamp, print module in ultraviolet light curing device provided by the invention.
Fig. 3 is the circuit theory diagrams controlling module in ultraviolet light curing device provided by the invention.
Fig. 4 is the flow chart of the curing of ultraviolet light curing device provided by the invention.
Fig. 5 is the schematic diagram of the Application Example of the curing of ultraviolet light curing device provided by the invention.
Detailed description of the invention
The invention provides ultraviolet light curing device and curing thereof, for making object of the present invention, technical scheme and effect clearly, clearly, developing simultaneously referring to accompanying drawing, the present invention is described in more detail for embodiment.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Refer to Fig. 1 and Fig. 2, ultraviolet light curing device provided by the invention comprises reading module 10, at least one uviol lamp 20 and controls module 30, read the coordinate position of print module 104 by reading module 10, according to the coordinate position of print module 104, described control module 30 judges whether uviol lamp 20 is arranged in image-region; Control uviol lamp 20 to open when uviol lamp 20 is arranged in image-region; When uviol lamp 20 is when image-region is outer, control uviol lamp 20 to close, thus the switch of uviol lamp 20 accurately can be controlled according to printed picture size, solidification is started there being the place of image, do not have the local of image to close uviol lamp 20 at once, avoid opening uviol lamp 20 when there is no need, because uviol lamp 20 is high-energy device, energy-conservation object can be reached like this.Meanwhile, because uviol lamp 20 equipment is a kind of high-energy device, along with the generation of high temperature, this temperature can cause print media temperature distortion, closes in time and can prevent print media temperature distortion.In addition, control the closedown of uviol lamp 20 in time, avoid opening uviol lamp 20 when there is no need, reduce uviol lamp 20 and produce the generation of ultraviolet along with ozone and the pollution of ultraviolet light, like this can more environmental protection.
Particularly, described uviol lamp 20 is two or more, and the present embodiment adopts two, is arranged at the left and right sides of print module 104 respectively, and uviol lamp 20 adopts LED uviol lamp, has the function of speed-sensitive switch.Described control module 30 specifically for, carry out counting according to read signal and calculate print module 104 coordinate position, calculate the coordinate position of each uviol lamp 20 according to the coordinate position of print module 104 in real time, and judge whether each uviol lamp 20 is arranged in image-region; When two uviol lamps 20 are all arranged in image-region, control two uviol lamps 20 and all open; When a uviol lamp 20 is positioned at outside image-region, controls corresponding uviol lamp 20 and close; When all uviol lamps 20 are all positioned at outside image-region, control all uviol lamps 20 to close, achieve the size according to printed drawings picture, accurately control the irradiation consolidation zone of uviol lamp 20, thus more energy-conservation, more environmental protection, and be conducive to ensureing that printed drawings picture can not buckling deformation.
In a further embodiment, described control module 30 is also for regulating the power output of uviol lamp 20 in real time according to the color coverage rate of image-region.A kind of open interface of voltage-regulation is provided, the output energy that the corresponding uviol lamp 20 of its different output voltage values is different by controlling module 30.The adjustable input voltage interface of a 0-10V is provided, the change of its output energy value corresponding as controlled module 30, such as: when output voltage is 0V, the Energy transmission value 0 of uviol lamp 20; When input voltage is 5V, the Energy transmission value of uviol lamp 20 is always export energy 50%, and when input voltage is 10V, the Energy transmission value of uviol lamp 20 is always export energy 100%.
For example, when reality prints a width coloured image, can not be all often that full-color image covers whole print area, the present invention can carry out the Energy transmission value of corresponding adjustment LED uviol lamp according to the size of the colored coverage rate of actual piece image, such as, the color of image coverage rate that will print when certain a line is 40%, then need the multicolour pattern of solidification fewer, required UV energy is also few, so the energy value of LED uviol lamp is also transferred to 40%, to the control voltage of uviol lamp 204V, when color coverage rate is 80%, to the control voltage of uviol lamp 208V, thus the energy value of LED uviol lamp is also transferred to 80%, the rest may be inferred, that is the output valve of LED energy is regulated in real time according to the situation of the color coverage rate of every a line, so just can realize the energy regulating uviol lamp 20 as required, save more multi-energy.
Refer to Fig. 2, in ultraviolet light curing device provided by the invention, described reading module 10 comprises grating reading head 101 and grating scale 102, and described grating reading head 101 is arranged on print module 104, and described grating scale 102 is arranged at and prints on crossbeam 103.Described control module 30 is arranged on print module 104, also for when reading module 10 reads less than data, controls uviol lamp 20 and closes.
Owing to being in opening when uviol lamp 20 is positioned at image-region always, now if there is printing abnormal end, such as electrical fault etc., so print module 104 just may be parked within image printing region always, now uviol lamp 20 is often opened, if uviol lamp 20 is not closed for a long time, uviol lamp 20 will cause print media temperature distortion by persistent fever high temperature, even some material has the danger of catching fire, the invention provides an abnormity protection function, exactly when print module 104 abends, control the moving pulse signal that module 30 can not receive grating reading head 101, at this moment the counter controlling module 30 will no longer change, when (0.5-1 second) the never change in the given time of control module 30, then close uviol lamp 20 at once, can prevent the destruction under fortuitous event from occurring like this.
See also Fig. 3, described control module 30 comprises: FPGA, the first opto-coupler chip U1, the second opto-coupler chip U2, the first metal-oxide-semiconductor Q1, the second metal-oxide-semiconductor Q2, the first resistance R1, the second resistance R2, the 3rd resistance R3, the 4th resistance R4, the 5th resistance R5 and the 6th resistance R6, and described uviol lamp 20 comprises the first uviol lamp 201 and the second uviol lamp 202.1st end of described first opto-coupler chip U1 connects 3.3V feeder ear, 2nd end of the first opto-coupler chip U1 connects FPGA by the first resistance R1,3rd end of described first opto-coupler chip U1 connect the first metal-oxide-semiconductor Q1 grid, also by the 3rd resistance R3 ground connection, 4th end of described first opto-coupler chip U1 connects 24V feeder ear by the second resistance R2, the drain electrode of described first metal-oxide-semiconductor Q1 connects the negative electrode of the first uviol lamp 201, the source ground of the first metal-oxide-semiconductor Q1; The anode of described first uviol lamp 201 connects 24V feeder ear; 1st end of described second opto-coupler chip U2 connects 3.3V feeder ear, 2nd end of the second opto-coupler chip U2 connects FPGA by the 4th resistance R4,3rd end of described second opto-coupler chip U2 connect the second metal-oxide-semiconductor Q2 grid, also by the 6th resistance R6 ground connection, 4th end of described second opto-coupler chip U2 connects 24V feeder ear by the 5th resistance R5, the drain electrode of described second metal-oxide-semiconductor Q2 connects the negative electrode of the second uviol lamp 202, the source ground of the second metal-oxide-semiconductor Q2; The anode of described second uviol lamp 220 connects 24V feeder ear.
Wherein, described FPGA is core controller, and it is solidified with control program, is mainly used to the work such as control prints, the keying of lamp.First opto-coupler chip U1 and the second opto-coupler chip U2 mainly plays Phototube Coupling protective effect, plays buffer action when being connected with external equipment, is used for protecting FPGA component.First metal-oxide-semiconductor Q1 and the second metal-oxide-semiconductor Q2 mainly plays on-off action.First resistance R1 plays metering function to the 6th resistance R6.
Please continue to refer to Fig. 3, described control module 30 also comprises: the 3rd opto-coupler chip U3, the 4th opto-coupler chip U4, the 5th opto-coupler chip U5, the 7th resistance R7, the 8th resistance R8, the 9th resistance R9, the tenth resistance R10, the 11 resistance R11 and the 12 resistance R12.3rd opto-coupler chip U3, the 4th opto-coupler chip U4 and the 5th opto-coupler chip U5 mainly play Phototube Coupling protective effect, play buffer action when being connected with external equipment, are used for protecting FPGA component.7th resistance R7 plays metering function to the 12 resistance R12.
1st end of described 3rd opto-coupler chip U3 connects 24V feeder ear by the tenth resistance R10,2nd end of described 3rd opto-coupler chip U3 connects grating reading head 101, and the 4th end of described 3rd opto-coupler chip U3 connects FPGA, also connects 3.3V feeder ear by the 7th resistance R7; 1st end of described 4th opto-coupler chip U4 connects 24V feeder ear by the 11 resistance R11,2nd end of described 4th opto-coupler chip U4 connects grating reading head 101, and the 4th end of described 4th opto-coupler chip U4 connects FPGA, also connects 3.3V feeder ear by the 8th resistance R8; 1st end of described 5th opto-coupler chip U5 connects 24V feeder ear by the 12 resistance R12,2nd end of described 5th opto-coupler chip U5 connects grating reading head 101, and the 4th end of described 5th opto-coupler chip U5 connects FPGA, also connects 3.3V feeder ear by the 9th resistance R9; The equal ground connection of 3rd end of the 3rd end of described 3rd opto-coupler chip U3, the 3rd end of the 4th opto-coupler chip U4 and the 5th opto-coupler chip U5.
Grating reading head 101 is with print module 104 synchronizing moving, be used for reading the scale signal on grating scale 102, FPGA carries out high-speed counting according to the signal of grating reading head 101, thus accurately judge the position residing for print module 104, when print module 104 is in image-region, FPGA output LOW voltage; When print module 104 is in outside image-region, FPGA output HIGH voltage.
When the first control pin output LOW voltage of FPGA, the first opto-coupler chip U1 conducting, makes the grid of the first metal-oxide-semiconductor Q1 obtain voltage and conducting, thus the first uviol lamp 20 is lighted, otherwise then contrary during the first control pin output HIGH voltage of FPGA, the first uviol lamp 20 extinguishes; The opening/shutting mode of the second uviol lamp 20 is identical with the first uviol lamp 20, no longer describes in detail herein.
In ultraviolet light curing device provided by the invention, owing to adopting LED uviol lamp, speed-sensitive switch can be realized, do not need preheating time of starting shooting, the present invention passes through the relative position of accurate Calculation picture traverse and image edge location and uviol lamp 20, controls the switch of uviol lamp 20 in real time, thus can make to turn on light when uviol lamp 20 is in image-region, be used for ensureing that image can be cured, turn off the light when uviol lamp 20 is not in image-region, avoid causing waste and causing print media temperature distortion.
In digit printing equipment print procedure, print module 104 moves reciprocatingly on printing crossbeam 103, print crossbeam and be provided with a grating scale 102, print module 104 there is the high-speed counter of grating reading head 101 and FPGA, the read signal of grating reading head 101 is read and the coordinate position calculated residing for print module 104 by FPGA in motion process, and be responsible for printing image at specific coordinate position, respectively there is a LED uviol lamp print module 104 both sides simultaneously, and the image being used for printing solidifies.
When printing a figure, need print module 104 moving reciprocatingly, whether two LED uviol lamps on print module 104 just control its switch at image-region according to it always.Because before the printing, FPGA knows the origin coordinates that the every a line of the image that will print prints and end coordinate, thus can know that left side uviol lamp 20 needs to open at what coordinate and where close, right side uviol lamp 20 is also same reason, FPGA knows origin coordinates value and the end coordinate value of every a line, in print procedure, just can automatically control the switch of two uviol lamps 20.
The present invention is the corresponding curing providing a kind of ultraviolet light curing device also, as shown in Figure 4, and described curing following steps:
S100, reading module read the coordinate position of print module;
According to the coordinate position of print module, S200, control module judge whether uviol lamp is arranged in image-region; Control uviol lamp to open when uviol lamp is arranged in image-region; When uviol lamp is when image-region is outer, controls uviol lamp and close.Specifically refer to the embodiment that above-mentioned ultraviolet light curing device is corresponding.
Concrete, described step S200 specifically comprises: carry out counting according to read signal and calculate print module coordinate position; Afterwards, calculate the coordinate position of each uviol lamp in real time according to the coordinate position of print module, and judge whether each uviol lamp is arranged in image-region; When two uviol lamps are all arranged in image-region, control two uviol lamps and all open; When a uviol lamp is positioned at outside image-region, controls corresponding uviol lamp and close; When all uviol lamps are all positioned at outside image-region, control all uviol lamps and close.Specifically refer to the embodiment that above-mentioned ultraviolet light curing device is corresponding.
Further, described step S200 also comprises: the power output regulating uviol lamp according to the color coverage rate of image-region in real time.Specifically refer to the embodiment that above-mentioned ultraviolet light curing device is corresponding.
Further, described step S200 also comprises: when reading module reads less than data, controls uviol lamp and closes.Specifically refer to the embodiment that above-mentioned ultraviolet light curing device is corresponding.
Technical scheme for a better understanding of the present invention, below in conjunction with Fig. 5, lift specific embodiment and ultraviolet light curing device of the present invention and curing thereof are described in detail:
In whole print procedure, print module is all move reciprocatingly at image-region, certainly has acceleration and moderating process on printing both sides, prints athletic meeting slightly wider than image-region width so actual.Whole print procedure order is as shown in Figure 5: the first step, print module move from left to right, the advanced image-region [(A) as in Fig. 5] of right side uviol lamp, now controls right side uviol lamp and opens; Second step, subsequently left side uviol lamp enter image-region [(B) as in Fig. 5], now control left side uviol lamp and open; 3rd step, along with print module continues movement of turning right, right side uviol lamp shifts out image-region [(C) as in Fig. 5], now controls right side uviol lamp and closes; 4th step, thereupon left side uviol lamp shift out image-region [(D) as in Fig. 5], now control left side uviol lamp and close.Subsequently, print module continues toward moving right one section, then commutates, and becomes from right that on the left of entering again the 4th step, uviol lamp enters toward moving left, and left side uviol lamp is opened; Then on the right side of entering the 3rd step, uviol lamp enters, and right side uviol lamp is opened; Then on the left of second step, uviol lamp goes out, and left side uviol lamp closes; On the right side of the last first step, uviol lamp goes out, and right side uviol lamp closes, and completes a circulation; Print module continues, toward moving left one section, then to commutate, become and move from left to right, enter again the first step and go round and begin again.So the origin coordinates only need often gone and end coordinate value, be first set in FPGA by computer before printing, during printing, control the switch of the uviol lamp of both sides again.
In sum, the present invention has following beneficial effect compared with present technology:
1, save energy: because print procedure back and forth carries out, there is uniform motion region and acceleration and deceleration region, it is the region of printed drawings picture at the uniform velocity region, at this moment print module is in image-region, but because there is velocity variations in acceleration and deceleration region, print module is not in image-region, at this moment can not print, to print the picture traverse of 1 meter, the translational speed of print module is 1 metre per second (m/s), so at the uniform velocity traveling time was 1 second, acceleration time is 0.4S, deceleration time is also 0.4S, the time so printing a line is 1.8S, but actual valid time only has 1S, so save energy up to 0.8 divided by 1.8, namely 44 percent.
2, same, the minimizing of uviol lamp working time also can reduce the generation that ultraviolet light can reduce ozone, environmental protection more.
3, because uviol lamp is a kind of high-energy device, along with the generation of high temperature, this temperature can cause print media temperature distortion, closes in time and can prevent print media temperature distortion.
4, because the life-span of uviol lamp calculated according to lighting time, present invention saves the lighting time of 44 percent, so correspondence extends the service life of 44 percent.
Be understandable that, for those of ordinary skills, can be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, and all these change or replace the protection domain that all should belong to the claim appended by the present invention.
Claims (10)
1. a ultraviolet light curing device, it is characterized in that, comprise reading module, at least one uviol lamp and control module, read the coordinate position of print module by reading module, according to the coordinate position of print module, described control module judges whether uviol lamp is arranged in image-region; Control uviol lamp to open when uviol lamp is arranged in image-region; When uviol lamp is when image-region is outer, controls uviol lamp and close.
2. ultraviolet light curing device according to claim 1, it is characterized in that, described uviol lamp is two or more, described control module specifically for, carry out counting according to read signal and calculate print module coordinate position, calculate the coordinate position of each uviol lamp according to the coordinate position of print module in real time, and judge whether each uviol lamp is arranged in image-region; When two uviol lamps are all arranged in image-region, control two uviol lamps and all open; When a uviol lamp is positioned at outside image-region, controls corresponding uviol lamp and close; When all uviol lamps are all positioned at outside image-region, control all uviol lamps and close.
3. ultraviolet light curing device according to claim 1, is characterized in that, described control module is also for regulating the power output of uviol lamp in real time according to the color coverage rate of image-region.
4. ultraviolet light curing device according to claim 1, is characterized in that, described control module also for when reading module reads less than data, controls uviol lamp and closes.
5. ultraviolet light curing device according to claim 2, it is characterized in that, described control module comprises: FPGA, the first opto-coupler chip, the second opto-coupler chip, the first metal-oxide-semiconductor, the second metal-oxide-semiconductor, the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance and the 6th resistance; 1st end of described first opto-coupler chip connects 3.3V feeder ear, 2nd end of the first opto-coupler chip connects FPGA by the first resistance, 3rd end of described first opto-coupler chip connect the first metal-oxide-semiconductor grid, also by the 3rd resistance eutral grounding, 4th end of described first opto-coupler chip connects 24V feeder ear by the second resistance, the drain electrode of described first metal-oxide-semiconductor connects the negative electrode of the first uviol lamp, the source ground of the first metal-oxide-semiconductor; The anode of described first uviol lamp connects 24V feeder ear; 1st end of described second opto-coupler chip connects 3.3V feeder ear, 2nd end of the second opto-coupler chip connects FPGA by the 4th resistance, 3rd end of described second opto-coupler chip connect the second metal-oxide-semiconductor grid, also by the 6th resistance eutral grounding, 4th end of described second opto-coupler chip connects 24V feeder ear by the 5th resistance, the drain electrode of described second metal-oxide-semiconductor connects the negative electrode of the second uviol lamp, the source ground of the second metal-oxide-semiconductor; The anode of described second uviol lamp connects 24V feeder ear.
6. ultraviolet light curing device according to claim 5, is characterized in that, described reading module comprises grating reading head and grating scale, and described grating reading head is arranged on print module, and described grating scale is arranged at and prints on crossbeam.
7. ultraviolet light curing device according to claim 6, it is characterized in that, described control module also comprises: the 3rd opto-coupler chip, the 4th opto-coupler chip, the 5th opto-coupler chip, the 7th resistance, the 8th resistance, the 9th resistance, the tenth resistance, the 11 resistance and the 12 resistance; 1st end of described 3rd opto-coupler chip connects 24V feeder ear by the tenth resistance, and the 2nd end of described 3rd opto-coupler chip connects grating reading head, and the 4th end of described 3rd opto-coupler chip connects FPGA, also connects 3.3V feeder ear by the 7th resistance; 1st end of described 4th opto-coupler chip connects 24V feeder ear by the 11 resistance, and the 2nd end of described 4th opto-coupler chip connects grating reading head, and the 4th end of described 4th opto-coupler chip connects FPGA, also connects 3.3V feeder ear by the 8th resistance; 1st end of described 5th opto-coupler chip connects 24V feeder ear by the 12 resistance, and the 2nd end of described 5th opto-coupler chip connects grating reading head, and the 4th end of described 5th opto-coupler chip connects FPGA, also connects 3.3V feeder ear by the 9th resistance; The equal ground connection of 3rd end of the 3rd end of described 3rd opto-coupler chip, the 3rd end of the 4th opto-coupler chip and the 5th opto-coupler chip.
8. a curing for ultraviolet light curing device as claimed in claim 1, is characterized in that, comprise the steps:
A, reading module read the coordinate position of print module;
According to the coordinate position of print module, B, control module judge whether uviol lamp is arranged in image-region; Control uviol lamp to open when uviol lamp is arranged in image-region; When uviol lamp is when image-region is outer, controls uviol lamp and close.
9. curing according to claim 8, is characterized in that, described uviol lamp is two or more, and described step B specifically comprises:
B1, carry out counting according to read signal and calculate print module coordinate position;
B2, calculate the coordinate position of each uviol lamp in real time according to the coordinate position of print module, and judge whether each uviol lamp is arranged in image-region; When two uviol lamps are all arranged in image-region, control two uviol lamps and all open; When a uviol lamp is positioned at outside image-region, controls corresponding uviol lamp and close; When all uviol lamps are all positioned at outside image-region, control all uviol lamps and close.
10. curing according to claim 8, is characterized in that, described step B also comprises: the power output regulating uviol lamp according to the color coverage rate of image-region in real time.
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