CN209616672U - Light irradiation device - Google Patents
Light irradiation device Download PDFInfo
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- CN209616672U CN209616672U CN201821631308.6U CN201821631308U CN209616672U CN 209616672 U CN209616672 U CN 209616672U CN 201821631308 U CN201821631308 U CN 201821631308U CN 209616672 U CN209616672 U CN 209616672U
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Abstract
The purpose of this utility model is to provide the apparatus structures that one kind can suitably control the discharge direction for the exhaust wind being discharged from shell.Light irradiation device has light source portion configured with multiple LED and is set to the radiator of the back side in the light source portion, opposite with the radiator and be provided with cooling fan, wherein in the radiator, the downstream side of cooling wind is provided with discharge duct portion.And, the discharge duct portion has the second opening portion of adjacent with the radiator and opening the first opening portion, the outer openings of Xiang Suoshu shell, and has the rectification flow path portion for being connected to first opening portion with the second opening portion, the rectification flow path portion has the flow path length longer than the opening width of first opening portion in its path direction, and to from the light source part from direction be extended, first opening portion and the second opening portion are respectively formed in its circumferential direction relative to the path direction of rectification flow path portion.
Description
Technical field
The present invention relates to a kind of light irradiation devices.
Background technique
In the prior art, there is the photo-hardening device for hardening object substance by ultraviolet light.Such as image shape
At device, there is the light irradiation dress for having the ink gun for spraying the UV ink as photo-hardening object substance and irradiation ultraviolet light
The device set, and sprayed from ink gun by UV ink to workpiece (such as paper or film etc.), and then, by the UV being ejected
Ink irradiation ultraviolet light makes its hardening to form image desired by (printing).
In the prior art, in the light irradiation device for photo-hardening device, the discharge lamp of radiation ultraviolet light has been used.
However, in recent years, due to having many advantages, such as that low energy consumption, service life are long, starting using the knot for replacing discharge lamp using LED light source
Structure.As such LED light source, it is arranged as rectangular structure using multiple LED chips (for example, referring to patent document 1).
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2017-126534
Patent document 2: Japanese Unexamined Patent Publication 2016-198892
Summary of the invention
Problems to be solved by the invention
In the apparatus structure recorded in patent document 1, heat exchange is carried out and making cooling wind circulate in radiator,
And the wind heated from radiator (exhaust wind) is discharged to the external of device housing.However when exhaust port portion is configured at photo-hardening
When near face, the problem of thering is exhaust wind to flow to workpiece mostly and the photo-hardening object substance on workpiece surface made to heat up.As a result,
Such as in view of a possibility that photo-hardening process to photo-hardening object substance affects or a possibility that deform workpiece.Separately
Outer worry is distinguished and admirable to workpiece due to being vented, and so that workpiece is waved and hardens uneven.
On the other hand, in the apparatus structure recorded in patent document 2, due to the direction that has been separated from workpiece of exhaust wind direction
Discharge, thus be vented wind and be difficult to flow to workpiece.However exhaust is distinguished and admirable near aspiration openings portion, due to absorbing the gas to have heated up
Body and deteriorate the cooling efficiency of device.
In view of the foregoing, the exhaust wind being discharged from shell can be suitably controlled it is an object of that present invention to provide one kind
The apparatus structure of discharge direction.
A technical solution to solve project
Light irradiation device of the invention has the light source portion configured with multiple LED inside housings and is set to light source portion
Back side radiator, it is opposite with the radiator and be provided with cooling fan, which is characterized in that the radiator has following knot
Structure: being provided with the multiple cooling fins being set side by side along a direction with a gap, and the cooling wind from the cooling fan passes through institute
It states the gap of cooling fin and circulates, in the radiator, the downstream side of cooling wind is provided with discharge duct portion.In addition, institute
State discharge duct portion has and first opening portion that is open adjacent with the radiator and outer openings to the shell the
Two opening portions, and have the rectification flow path portion by first opening portion and the connection of the second opening portion, the rectification flow path portion exists
Have the flow path length longer than the opening width of first opening portion in its path direction, and to from the light source part from
Direction is extended, and first opening portion and the second opening portion are respectively formed at it relative to the path direction of rectification flow path portion
In circumferential direction.
According to above structure, form the exhaust wind by radiator progress heat exchange, from exhaust flow path portion rectify and to institute
Desired direction discharge can prevent from making workpiece be adversely affected because of exhaust wind, and prevent exhaust wind again from aspiration openings
Portion's sucking.
Further, second opening portion can have the structure for reducing opening area than first opening portion.
Thereby, it is possible to improve the flow velocity of the exhaust wind of discharge, and the discharge direction of exhaust wind can be controlled.
Further, exhaust flow path portion inside it is settable near the second opening portion to the direction for making flow path narrow
Air dam outstanding.The flow velocity of wind is vented in addition to improving as a result, it is easier to the flowing of ground control exhaust wind.
Further, rectification flow path portion can have the following structure: in the direction that the path direction of opposite exhaust wind is intersected
Upper longer flowing path section, and lattice is set in the inside of the rectification flow path portion, the flow path is cut by the lattice
Face is divided into multiple regions.As a result, in the longer situation of flowing path section, the impaired performance of rectification exhaust wind can be prevented, and
Carry out exhaust appropriate.
It further can be such as flowering structure: having in the inside of the shell multiple by a pair of light source portion and cooling fan
The unit component of composition, the constituent parts component partition wall are separated in respectively disconnected mode.Thereby, it is possible to each
Unit component all assembles cooling structure, is able to suppress the uneven of cooling efficiency.
In addition can be set filter in the aspiration openings portion of shell, the filter cover the aspiration openings portion and with
From the aspiration openings part from mode it is prominent to hull outside.Further, the filter can be by supporting with its inside
The first maintaining part connect and the second maintaining part clamping abutted with its outside are arranged.Thereby, it is possible to inhibit to be led by setting filter
The reduction of the soakage of the cooling wind in the slave aspiration openings portion caused.
Invention effect
In accordance with the invention it is possible to be rectified by discharge duct portion to the flowing of exhaust wind, and it is discharged to desired direction
It is vented wind.Thus, it is possible to control the flowing of exhaust wind to prevent adverse effect of the exhaust wind to peripheral portion.
Detailed description of the invention
Fig. 1 is the outside drawing of light irradiation device of the invention.
Fig. 2 is the schematic cross-section of light irradiation device of the invention.
Fig. 3 A, Fig. 3 B are the schematic diagrames being illustrated to the flowing of exhaust wind.
Fig. 4 is the schematic diagram being illustrated to the screening effect of ink mist.
Fig. 5 is the schematic diagram for indicating the other embodiments of light irradiation device of the invention.
Fig. 6 A, Fig. 6 B are the schematic cross-sections being illustrated to the internal structure of light irradiation device of the invention.
Fig. 7 is the outside drawing of light irradiation device of the invention.
Fig. 8 is the schematic cross-section of light irradiation device of the invention.
Fig. 9 A, Fig. 9 B are the schematic diagrames being illustrated to the function of filter setting unit.
Figure 10 is the schematic diagram being illustrated to the structure of filter setting unit.
Specific embodiment
Fig. 1 shows be light irradiation device of the invention outside drawing.Device housing is equipped with light in one end side 12
Exit portion 11 is provided with aspiration openings portion 30 in the other end side 13.In addition in the figure from light exit portion 11 towards Z-direction
Carry out light irradiation.In addition in the device housing, one end 12 and the other end 13 are with longer in length direction (Y-direction)
Plane, and have 15 He of side wall ends for connecting one end 12 and the other end 13 in the width direction of device housing
The sidewall portion 14 in the longitudinal direction connecting one end 12 and the other end 13.It is also desirable that being arranged in aspiration openings portion 30 useful
In the filter 53 for removing extraneous dust and ink mist, the knot that dust and ink mist will not be sucked to the inside of device housing is formed
Structure.
Fig. 2 indicates the schematic cross-section of light irradiation device of the invention.In the inside of device housing, in one end of the shell
Portion side 12 is provided with light source portion 20.Light source portion 20 is configured with multiple LED on substrate, and configuration is more side by side on the X/Y plane of figure
It is a.Light source portion 20 forms longer light-emitting surface on (direction of vertical paper in Fig. 2) in the Y direction in the present embodiment.In addition
The optical axis (light emission goes out direction) of each LED is towards Z-direction, and the external progress light irradiation from light exit portion 11 to device housing.
Back side in light source portion 20 is equipped with radiator 21.Radiator 21 is provided with the cooling fin of multiple writing board shapes
22, and each cooling fin 22 has spacing parallel arranging setting in vain on the length direction (Y-direction) of shell.And by each cooling fin
Circulate cooling wind between 22, carries out heat exchange from radiator 21, promotes cooling.In addition the light is set in the inside of device housing
The Sub-assembly Dept 24 of the control system or power-supply system in source portion 20 etc., and be set in the circulation path of cooling wind.Thus, it is possible to one
With the cooling for carrying out Sub-assembly Dept 24.
The other end side 13 of the shell is provided with aspiration openings portion 30.Pass through the cooling being arranged in device housing
Fan 23, extraneous atmosphere are sucked into the device housing by aspiration openings portion 30, and the cold of Sub-assembly Dept 24 or radiator 21 is promoted
But.Although being cooled down in addition, cooling fan 23 is set near aspiration openings portion 30 in the embodiment documented by Fig. 2
The setting place of fan 23 is not limited to this.It is also formed in the wind (exhaust wind) that radiator 21 carries out heat exchange and is heated, is passed through
The external structure that is discharged of the exhaust flow path portion 40 to device housing.
Next exhaust flow path portion 40 is illustrated.Exhaust flow path portion 40 has first adjacent with radiator 21 and opens
Second opening portion 42 of oral area 41 and the outer openings to the shell is also equipped with the first opening portion 41 and the second opening portion 42
The rectification flow path portion 43 of connection.Rectification flow path portion 43 has opening for first opening portion 41 on the circulating direction than exhaust wind
The flow path length 43D of mouth width degree 41D long, forms the flow path of tubular.In the present embodiment, rectification flow path portion 43 has in the side Z
Upward longer flow path length 43D, and constitute the structure that exhaust wind circulates along Z-direction.Be vented wind by rectification flow path portion 43 from
Second opening portion 42 is discharged to hull outside.
The flowing quilt for passing through rectification 43 wind of flow path portion by above structure, the exhaust wind sucked from the first opening portion 41
It rectifies and is discharged from the second opening portion 42.Thus it is a direction that the discharge direction for being vented wind, which is easy to concentrate, and discharge direction is easy control
System.
Rectification effect of the invention is illustrated with Fig. 3 A, Fig. 3 B.Generally using the air of cooling fan 96 cold
But in the light irradiation device 90 of mode, cooling fan configures in such a way that 96 with 97 opposite direction of radiator, makes from the cold of cooling fan 96
But wind is collided in radiator 97, and wind is made to circulate in each cooling fin of the radiator 97, thus promotes cooling.In the cooling fin
On the direction (Y-direction of Fig. 3 A, Fig. 3 B) being set side by side, although a degree of rectified action can be predicted by cooling fin,
But since the distance of circulation cooling fin is shorter thus cannot get sufficient rectified action.In addition in the up and down direction of cooling fin
The flowing of (Z-direction of Fig. 3 A) windward is uncontrolled, and 94 α of its wind angle of the exhaust wind from radiator 97 is easy to be extended to wide
Angle.
On the other hand, as shown in Figure 3B, in light irradiation device 10 of the invention, the exhaust wind from radiator 21 is being vented
It circulates in flow path portion 40, the rectified action of wind is improved by rectification flow path portion 43.Exhaust wind its wind direction being discharged as a result, to outside shell
42 α of angle reduces, and can control discharge directions.
The screening effect of the ink mist generated by embodiments of the present invention is illustrated in Fig. 4.Fig. 4 expression is equipped with
The schematic diagram of the image forming apparatus of light irradiation device 10 of the invention.Light irradiation device 10 is set near ink gun 60,
The workpiece such as paper or film W (recording medium) is relatively scanned to a direction.Ink gun 60 is provided with ink blowing unit 61, is sweeping
The upstream side for retouching direction SD sprays ink from ink blowing unit 61 to workpiece W, light irradiation is carried out in downstream side, thus in workpiece W
Upper coating it is ink curing.
It is known to will appear ink mist P near blowing unit 61 when spraying ink.It is that partial size is 0.1 μm~10 μm
Gasiform fine particle, and with the flowing of atmosphere to surrounding spread.Particularly, consider since workpiece W is relatively to one
Direction is scanned, and ink mist P is easy to circulate on the SD of scanning direction.When ink mist P is from the aspiration openings portion 30 of light irradiation device 10
When being invaded to enclosure interior, there is the Sub-assembly Dept for being attached to enclosure interior 24 and causes lighting bad a possibility that waiting undesirable conditions,
As problem.
Light irradiation device of the invention can be adjusted the desired discharge direction of exhaust wind direction after rectification.As shown in figure 4,
Since second opening portion 42 in exhaust flow path portion 40 is in direction (the Y side orthogonal with the scanning direction SD of workpiece W (recording medium)
To) on be extended, thus on the extended direction of the second opening portion 42, to from workpiece W it is floating on ink mist p-shaped become a common practice
Barrier.Thus, it is possible to use the movement routine of the ink mist P from workpiece W to aspiration openings portion 30 to be vented windshield, and it is able to suppress
Intrusion of the ink mist P to aspiration openings portion 30.
In this way, due to being configured with longer second opening portion on the direction of the scanning direction SD intersection relative to workpiece W
42, it is thus possible to which the movement routine of the ink mist P on will be floating exhaust windshield inhibits the ink mist P generated from ink blowing unit 61
Intrusion.The screening effect becomes significant by improving the rectification effect of exhaust wind.
What Fig. 5 was indicated is other embodiments of light irradiation device of the invention.In exhaust flow path in the embodiment
The inside in portion 40 is provided with air dam 44, specifically, with from the position adjacent with the second opening portion 42 to becoming exhaust flow path
Narrow direction mode outstanding is equipped with air dam 44.
Thus the air-flow towards the second opening portion 42 is discharged around around air dam 44 from the second opening portion 42, obtains
The effect for reducing 42 α of wind angle for being vented wind further.Thus, it is possible to more precisely adjust the discharge direction of exhaust wind.
As long as the shape of the air dam 44 makes the shape that the air-flow towards the second opening portion 42 bypasses, arbitrary shape can be
Shape.For example, either plate or curved shape, also can be used the component that cross sectional shape is triangle.It in addition can also be with
Adjust the setting angle (tilt angle in the opening face relative to the second opening portion 42) of air dam 44.Since the air dam 44 exists
It is extended on the length direction (Y-direction) of second opening portion 42, it is thus possible to the accurately stream of the air-flow of control exhaust wind
It is dynamic.In addition, as shown in figure 5, the aspiration openings portion 30 of the present apparatus is also possible to cavernous open made of multiple small openings are intensive
Oral area.In addition, various air-breathing shapes can be used if it is the component with air suction function.
Exhaust flow path portion 40 of the invention has and the first opening portion 41 for being open adjacent with radiator 21 and to the shell
Second opening portion 42 of the outer openings of body, and the second opening portion 42 is being divided than first opening portion 41 from light source portion 20
From direction on configure.It is provided additionally with the rectification flow path portion 43 for being connected to first opening portion 41 with the second opening portion 42.It is whole
Flow flow path portion 43 have in its path direction (Z-direction) than the first opening portion opening width 41D long flow path length 43D.
By passing through the exhaust flow path portion 40, the exhaust wind from radiator 21 is rectified.Other first opening portion 41 and the second opening
Portion 42 is respectively divided in the circumferential direction of the direction of advance axis of flow path with the path direction (Z-direction) of the relatively described rectification flow path portion 43
From mode configure.Thereby, it is possible to control the exhaust wind being discharged from radiator not flow to the attached of workpiece W or aspiration openings portion 30
Closely.Refer to the path direction for flowing through rectification flow path portion 43, it is understood that in the direction of advance axis of this flow path for rectification flow path portion
43 length direction.
In addition exhaust flow path portion 40 is in order to improve the rectification effect of air-flow, the corner for preferably changing the direction of path direction
47 have fillet.Although being easy to produce vortex at the position that air flow direction changes, by making corner 47 that there is fillet, can subtract
The generation being vortexed less.
Light irradiation device 10 of the invention can improve the rectification effect of exhaust wind, control row by exhaust flow path portion 40
The discharge direction of gas wind.Accordingly it is also possible to not install the component of the flowing of control wind in hull outside.Thus it can also avoid
The sidewall portion 14 of device housing separately many and diverse way such as installing component, also, the sidewall portion 14 of shell due to no bump
Become flat, the chamfered shape of shell becomes simply to be easy that the illumination is arranged in various places (for example, narrow setting area)
Injection device 10.
Fig. 6 A, Fig. 6 B indicate the schematic cross-section (ZY sectional view) of the light irradiation device 10 indicated in Fig. 1.Such as Fig. 6 A
It is shown, in the case where forming longer width of light source, multiple light sources portion 20, radiator preferably has been set side by side to a direction
21, the structure of cooling fan 23.In addition in the embodiment shown in Fig. 6 A, partition wall 25, shell are set in the inside of the shell
The space in internal portion is divided.Specifically, in the space being divided, it is specified that the light source portion 20 of quantity part, radiator 21,
Cooling fan 23 and aspiration openings portion 30 are componentized, and are independently arranged cooling path to each unit component.Therefore, cooling wind will not
It is interfered between unit component.Keep cooling flowing path independent due to passing through partition wall 25 like this, it can be to each unit
Component adjusts cooling efficiency, and the temperature for being able to suppress each light source portion 20 in width of light source direction (Y-direction) is uneven.In addition lead to
It crosses and cooling structure is arranged to each unit component, being easy, which can be changed the setting number of unit component according to workpiece size, adjusts light
Source width.
In addition Fig. 6 B indicates the knot of the flowing path section 43S (flowing path section orthogonal with path direction Z) of rectification flow path portion 43
Structure describes the embodiment that lattice 45 is provided in rectification flow path portion.In addition, becoming in figure in rectification flow path portion 43
Circumferential surface 46 on form the first opening portion (not shown), and passed through cooling fin 22 exhaust wind direction rectification flow path portion 43 inside
The structure of inflow.In the case where forming the width of light source of longer (strip), the flowing path section 43S of rectification flow path portion 43 also must
It must be longer in width of light source direction (Y-direction).On the other hand, as flowing path section 43S is elongated in the Y direction, rectification effect
It reduces.Particularly, become larger in the difference of the air-flow of the end regions and middle section of flowing path section 43S, be vented the flowing of wind because
Place and it is different.In this regard, can be by the way that point for being divided flowing path section 43S in width of light source direction (Y-direction) be arranged
Every portion 45, rectification effect is not made to deteriorate and suitably cool light source portion 20.
Next, carrying out detailed research to aspiration openings portion.It is disclosed in Fig. 7 and Fig. 8 in light irradiation device 10
Aspiration openings portion 30 is provided with the structure of filter setting unit 50.Filter setting unit 50 is to cover the aspiration openings portion
30 mode is arranged, and has opposite aspiration openings portion 30 to hull outside shape outstanding (to Z-direction shape outstanding).In addition
The filter setting unit 50 by holding filter 53B inside the first maintaining part 51 and keep the outside of filter 53B
The clamping of second maintaining part 52, the suction face configured with filter 53B.Filter 53B is as a result, to cover the whole of aspiration openings portion 30
The mode in a region and 30 configured separate of aspiration openings portion.
Fig. 9 A, Fig. 9 B indicate the function and effect generated by the filter setting unit of above-mentioned record.Filter 53 is according to work
For capture object particle size there are many type.Size as the particle for capturing object more becomes smaller, then needs to make to filter
The mesh of device 53 is smaller, keeps the thickness of filter 53 bigger.For example, in the light irradiation device for image forming apparatus, from
The blowing unit 61 of ink gun 60, which leads to the problem of ink mist P and invades into the device housing of light irradiation device 10, to be considered as.
The partial size of ink mist is very small for 0.1 μm~10 μm, and capturing these ink mists must use mesh small and filter
The thicker filter of thickness.In addition ink mist is easy to attach and accumulate.On the other hand, due to using the biggish filter of thickness, because
And there is also be difficult to the problem of cooling wind is sucked into device housing.This is because filter makes air drag become larger, cooling wind
Circulation be obstructed.Also it is obstructed the circulation of cooling wind additionally, due to by the accumulation of ink mist, thus there is also if it is intended to dimension
Hold desired cooling efficiency, it is necessary to the problem of raising the replacement frequency of filter.
However, being able to solve the above subject by using the filter setting unit 50 that the literature is recorded.Such as Fig. 9 A institute
Show, if it is common apparatus structure, the circulation of the cooling wind from aspiration openings portion 30 is hindered by filter 53A.Herein
In order to illustrate, with solid line describe influenced by the air drag generated by filter 53 before wind, be represented by dashed line by
Wind after the influence of the air drag generated by filter 53.As shown, due to the suction of the wind from aspiration openings portion 30
Enter and is hindered by filter 53, thus cooling efficiency deteriorates.
On the other hand, the filter setting unit 50 documented by the literature with its configuration face opening from aspiration openings portion 30
The capped mode of the universe in the separation of mouth face and the aspiration openings portion 30 configures and maintains filter 53B.Thereby, it is possible to opposite
Area in aspiration openings portion 30 significantly ensures the air-breathing area of filter 53B, is able to suppress the reduction of cooling efficiency.
Its concept map is indicated in figures 9 b and 9.Wind air drag as caused by filter 53B of filter 53B is passed through
The flow-reduction for influencing cooling wind per unit time.However in the embodiment recorded in Fig. 9 B, by making filter
The air-breathing area of 53B expands and increases the inflow path of cooling wind.That is, can make to increase by the flow of the wind of filter 53B
Add, is able to suppress the flow-reduction per unit time of the cooling wind to circulate in aspiration openings portion 30.
The embodiment of filter setting unit 50 of the invention is indicated in Figure 10.First maintaining part 51 by with filter
The first support sector 511 and the holding end 514 of first support sector 511 is kept to constitute that 532 part of inner surface abuts.
First support sector 511 shown in Fig. 10 is the appearance of saddle type shape, is made of the frame of the clathrate of skeleton structure.By
The circulation in the space (gap) surrounded by the frame in wind, it is thus possible to make cooling airflow while keeping filter 53B
It is logical.Filter 53B and the first support sector 511 are with the gap of the frame of first support sector 511 by the side of filter 53B all standing
Formula determines respective shape, size.In addition it can also be formed in the first support sector 511 at the position abutted with filter 53B
Protrusion 513.Thus, it is possible to further prevent the position deviation of filter 53B.Particularly, by along filter 53B's
Outer peripheral mode forms protrusion 513, can be effectively prevented the position deviation of filter 53B.In addition, the first support sector
511 frame is not limited to lattice shape.As long as the mode for significantly ensuring the gap of frame and cooling wind being enable to circulate,
Other shapes can also be used.
Filter 53B is arranged in a manner of covering the first support sector 511.Thus, it is possible to opposite aspiration openings portions 30 significantly
Ensure the area of the filter outer skin 531 (filter suction face) of filter 53B.
Other second maintaining part 52 is connected to filter outer skin 531.As shown in Figure 10, the second maintaining part 52 have so that
The mode that one end 52a and other end 52b turns back makes shape made of frame flex, forms the appearance of U-shaped shape or U-shaped
Shape.Specifically, has in a manner of along filter outer skin 531 curved second support sector 521 and at described second
Hold the engaging protrusion portion 522 that the both ends (52a, 52b) in portion 521 are formed.Second support sector 521 by skeleton structure clathrate
Frame constitute, and cooling wind can be made to circulate from the space that thus frame fences up (gap).In addition, the second support sector 521
Frame shape is not limited to lattice shape.As long as the mode that can significantly ensure the gap of frame and cooling wind is made to circulate,
It can be using other shapes.
The both ends (52a, 52b) of second maintaining part 52 are provided with engaging protrusion portion 522, with the first maintaining part 51
The mode that engaging receiving portion 512 engages is constituted.The engaging protrusion portion 522 (is not abutted with filter outer skin 531 outward
Face) it is prominent, thus it enables that becoming strong with the engaging of the first maintaining part 51.Specifically, due in 51 He of the first maintaining part
It is clamped with filter 53B between second maintaining part 52, under the action of the elastic force of filter 53B, power is from the second maintaining part 52
Inside (side abutted with filter outer skin 531) acts on outward (side not abutted with filter outer skin 531).
At this point, the engaging protrusion portion 522 of the second maintaining part 52 protrudes outward, inside and the second maintaining part 52 in the first maintaining part 51
External snap-fit relationship set up.Therefore, because the power (active force) of the elastic force of filter and portion's effect from the inside is to making the
The direction effect that the snap-fit relationship of one maintaining part and the second maintaining part is reinforced, the holding for capableing of filter 53B become more strong.
In addition, the second maintaining part 52 is shape made of being bent in a manner of making one end 52a and other end 52b turn back, hold
Easily it is bent on the direction (X-direction) of 52a and other end 52b opposite direction at one end.Therefore, by catching the two of the second maintaining part 52
End (52a, 52b) can be such that frame is bent externally to inside to release the card of the first maintaining part 51 and the second maintaining part 52
Conjunction relationship.In such manner, it is possible to simply be filtered the charge and discharge operations of device 53B.
By above structure, filter 53B is held between the first maintaining part 51 and the second maintaining part 52, passes through
The engaging in the engaging protrusion portion 522 of two maintaining parts 52 and the engaging receiving portion 512 of the first maintaining part 51, is able to carry out filter
The holding of 53B.
The filter setting unit 50 that the literature is recorded, can also install multiple in light irradiation device 10.Particularly, In
In the case where multiple filter setting units 50 are set side by side, preferably with the filter outer skin of each filter setting unit 50
531 (filter suction face) not opposite modes are arranged.This is because if the suction face of filter 53B is that opposite configuration is closed
System, then inspiratory direction deteriorates to both direction branch, the suction efficiency of the cooling wind of each filter 53B.Therefore, it is intended that filter
Setting unit 50 by filter outer skin 531 (filter suction face) concentrate on it is equidirectional in a manner of be set side by side.
Such as shown in Fig. 7, it is desirable to direction (direction Y) be set side by side relative to filter setting unit 50, relative to simultaneously
Column setting direction axis the configurating filtered device outer surface 531 (filter suction face) on circumferential (direction orthogonal with Y-direction).
In addition filter setting unit 50 is preferably set on the direction along the second opening portion 42 of light irradiation device 10 side by side
It sets multiple.Thereby, it is possible to more suitably inhibit the intrusion of ink mist P.Specifically, the exhaust wind after rectification is from the second opening portion 42
It is discharged, wind barrier is formed to the ink mist floated from workpiece W (recording medium).Therefore, by the side along the second opening portion 42
Filter setting unit 50 is set side by side upwards, can be reduced to the ink mist P up to filter outer skin 531 (filter suction face)
Amount, the service life of filter 53B can be further increased.
According to the above structure, light irradiation device of the invention, by the way that discharge duct portion is arranged by the exhaust from radiator
It is discharged outside the backward shell of wind rectification.Thus it enables that direction discharge desired by exhaust wind direction, can adjust discharge direction.
In addition in light irradiation device of the invention, aspiration openings portion is provided with filter setting unit, filter
With the aspiration openings portion configured separate in a manner of covering aspiration openings portion, it can significantly ensure filter outer skin (filtering
Device suction face).Even if being thus also able to suppress cooling per unit time in the case where being mounted with the thicker filter of thickness
The flow-reduction of wind.
Label declaration
10: light irradiation device
11: light exit portion
12: the one end of device housing
13: the other end of device housing
14: the sidewall portion of device housing
15: the side wall ends of device housing
20: light source portion
21: radiator
22: cooling fin
23: cooling fan
24: Sub-assembly Dept
25: partition wall
30: aspiration openings portion
40: exhaust flow path portion
41: the first opening portions
The opening width of 41D: the first opening portion
42: the second opening portions
The opening width of 42D: the second opening portion
42 α: wind angle
43: rectification flow path portion
43D: the flow path length of flow path portion is rectified
43S: flowing path section
44: air dam
45: lattice
46: circumferential surface
47: corner
50: filter setting unit
51: the first maintaining parts
511: the first support sectors
512: engaging receiving portion
513: protrusion
514: keeping end
52: the second maintaining parts
52a: one end
52b: the other end
521: the second support sectors
522: engaging protrusion portion
53: filter
53A: filter
53B: filter
531: filter outer skin (filter suction face)
532: filter with inner surface
60: ink gun
61: ink blowing unit
P: ink mist
W: workpiece
SD: scanning direction
90: light irradiation device
91: light source portion
92: light exit portion
93: aspiration openings portion
94: exhaust port portion
94 α: wind angle
95: filter
96: cooling fan
97: radiator
Claims (7)
1. a kind of light irradiation device has the light source portion configured with multiple LED inside housings and is set to the back side in light source portion
The radiator of side, it is opposite with the radiator and be provided with cooling fan,
It is characterized in that,
The radiator has such as flowering structure: being provided with the multiple cooling fins being set side by side along a direction with a gap, comes from
The cooling wind of the cooling fan is circulated by the gap of the cooling fin,
In the radiator, the downstream side of cooling wind is provided with discharge duct portion,
The discharge duct portion has and first opening portion that is open adjacent with the radiator and to opening on the outside of the shell
Second opening portion of mouth has the rectification flow path portion by first opening portion and the connection of the second opening portion,
The rectification flow path portion has the flow path length longer than the opening width of first opening portion in its path direction, and
To from the light source part from direction be extended,
First opening portion and the second opening portion are respectively formed in its circumferential direction relative to the path direction of rectification flow path portion.
2. light irradiation device according to claim 1, which is characterized in that
First opening portion described in the open area ratio of second opening portion is small.
3. light irradiation device according to claim 1, which is characterized in that
The air dam extended from second opening portion to the direction for making flow path narrow is provided near second opening portion.
4. light irradiation device according to claim 1, which is characterized in that
The rectification flow path portion has the longer flowing path section on the direction intersected with path direction,
The rectification flow path portion is provided with the lattice for separating its flowing path section in the longitudinal direction.
5. light irradiation device according to claim 1, which is characterized in that
Have multiple unit components being made of a pair of light source portion and cooling fan, the constituent parts group in the inside of the shell
Part partition wall by respectively it is disconnected in a manner of separate.
6. light irradiation device according to claim 1, which is characterized in that
The aspiration openings portion of the shell is provided with filter, the filter covers the aspiration openings portion and with from described
Aspiration openings part from mode it is prominent to hull outside.
7. light irradiation device according to claim 6, which is characterized in that
The filter is arranged by the first maintaining part abutted with its inside and the second maintaining part clamping abutted with its outside.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017-197081 | 2017-10-10 | ||
| JP2017197081A JP6936969B2 (en) | 2017-10-10 | 2017-10-10 | Light irradiation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209616672U true CN209616672U (en) | 2019-11-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821631308.6U Active CN209616672U (en) | 2017-10-10 | 2018-10-08 | Light irradiation device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6936969B2 (en) |
| CN (1) | CN209616672U (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7207853B2 (en) * | 2018-02-26 | 2023-01-18 | 京セラ株式会社 | Light irradiation device and printing device |
| CN114929484A (en) * | 2019-10-11 | 2022-08-19 | Hoya株式会社 | Light irradiation device |
| JP2023139642A (en) * | 2022-03-22 | 2023-10-04 | 株式会社Ｓｃｒｅｅｎホールディングス | Light irradiation unit, printer, and printing system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4036171B2 (en) * | 2003-09-18 | 2008-01-23 | 株式会社デンソー | Cooling system |
| JP5928838B2 (en) * | 2013-11-22 | 2016-06-01 | ウシオ電機株式会社 | Light source device |
| JP2016198892A (en) * | 2015-04-07 | 2016-12-01 | セイコーエプソン株式会社 | Printer |
-
2017
- 2017-10-10 JP JP2017197081A patent/JP6936969B2/en active Active
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2018
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Also Published As
| Publication number | Publication date |
|---|---|
| JP6936969B2 (en) | 2021-09-22 |
| JP2019071231A (en) | 2019-05-09 |
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