CN107548171A - Infrared heater - Google Patents
Infrared heater Download PDFInfo
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- CN107548171A CN107548171A CN201710164577.XA CN201710164577A CN107548171A CN 107548171 A CN107548171 A CN 107548171A CN 201710164577 A CN201710164577 A CN 201710164577A CN 107548171 A CN107548171 A CN 107548171A
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- Prior art keywords
- luminous tube
- reflectance coating
- luminous
- infrared heater
- orientation
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/40—Heating elements having the shape of rods or tubes
- H05B3/42—Heating elements having the shape of rods or tubes non-flexible
- H05B3/44—Heating elements having the shape of rods or tubes non-flexible heating conductor arranged within rods or tubes of insulating material
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/032—Heaters specially adapted for heating by radiation heating
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- Resistance Heating (AREA)
Abstract
The present invention provides a kind of infrared heater for the illumination efficiency that can improve infrared ray.Infrared heater (1) involved by embodiment has：Multiple luminous tubes (5), its is cylindrical and launches infrared ray；Connecting member (6), link along the end of multiple luminous tubes (5) of the arranged radially of luminous tube (5)；Reflectance coating (7), it is arranged at the side face of luminous tube (5) and reflects infrared ray.Reflectance coating (7) using gold of the material of main component by being made up.
Description
Technical field
Embodiments of the present invention are related to a kind of infrared heater.
Background technology
For example, as it is known that there is a kind of infrared heater for having used Halogen lamp LED etc..This infrared heater generally has
The reflectance coating that will be reflected from the infrared ray that luminous tube is launched towards predetermined direction of illumination.Reflectance coating is formed at the outer of luminous tube
Side face and it is formed at the predetermined coverage in circumference.As reflectance coating, usually using using aluminum oxide or silica as
The film of main component.
Patent document 1：Japanese Unexamined Patent Publication 2008-210550 publications
But the above-mentioned film using aluminum oxide or silica as main component can not obtain the reflectivity close to 100%,
A part for the infrared ray launched from luminous tube can pass through reflectance coating.Therefore, the direction of illumination of infrared heater can be caused
On infrared ray illumination efficiency decline, it is therefore contemplated that improve reflectance coating reflectivity.
The content of the invention
The present invention provides a kind of infrared heater for the illumination efficiency that can improve infrared ray.
Infrared heater involved by embodiment possesses：Multiple luminous tubes, its is cylindrical and launches infrared ray；
Connecting member, link the end of the multiple luminous tube along the arranged radially of the luminous tube；Reflectance coating, it is arranged at the hair
The side face of light pipe and reflect the infrared ray.The reflectance coating using gold of the material of main component by being made up.
In accordance with the invention it is possible to improve the illumination efficiency of infrared ray.
Brief description of the drawings
Fig. 1 is the top view for representing the infrared heater involved by embodiment.
Fig. 2 is to represent the stereogram possessed by the infrared heater involved by embodiment near female component.
Fig. 3 is the side view for representing the infrared heater involved by embodiment.
Fig. 4 is to represent the thickness of reflectance coating possessed by the infrared heater involved by embodiment and exposure intensity ratio
Between relation figure.
Fig. 5 is the coverage for showing schematically reflectance coating possessed by the infrared heater involved by embodiment
The figure of variation.
Fig. 6 is to represent that infrared heater, reflectance coating the opening portion institute involved by embodiment is in central angle
Exposure intensity at 180 ° than distribution figure.
Fig. 7 is to represent that infrared heater, reflectance coating the opening portion institute involved by embodiment is in central angle
Exposure intensity at 160 ° than distribution figure.
Fig. 8 is to represent that infrared heater, reflectance coating the opening portion institute involved by embodiment is in central angle
Exposure intensity at 140 ° than distribution figure.
Fig. 9 is the sectional view for representing the infrared heater involved by other embodiment.
Figure 10 is the sectional view for representing the infrared heater involved by the variation of other embodiment.
In figure：1- infrared heaters, 5- luminous tubes, 6- female components (connecting member), 7- reflectance coatings, 11- filaments, A-
Light-emitting zone, C1- center lines, C2- center lines, D- gaps
Embodiment
Infrared heater involved by embodiments described below possesses：Launch multiple luminous tubes of infrared ray；Even
Knot part；Reflectance coating.Luminous tube is cylindrical.Arranged radially of multiple luminous tubes along luminous tube.Connecting member links along luminous
The end of multiple luminous tubes of the arranged radially of pipe.Reflectance coating is arranged at the side face of luminous tube and reflects infrared ray.Reflectance coating
By being made up using gold of the material of main component.
Also, in the infrared heater involved by embodiments described below, reflectance coating is arranged to throughout luminous
More than the 1/4 of pipe complete cycle and less than 3/4 coverage.
Also, in the infrared heater involved by embodiments described below, the thickness of reflectance coating for 45nm with
Upper and below 300nm.
Also, in the infrared heater involved by embodiments described below, it is located at row in multiple luminous tubes
The reflectance coating of each luminous tube of both sides on column direction is configured to, on the section orthogonal with the length direction of luminous tube, relatively
In being biased with the center line of luminous tube that orientation is orthogonal to the side opposite with adjacent luminous tube.
Also, in the infrared heater involved by embodiments described below, multiple luminous tubes comprise at least three
Individual luminous tube.In the central luminous tube being located in orientation in multiple luminous tubes, reflectance coating is configured to, with lighting
On the orthogonal section of the length direction of pipe, the center line relative to the luminous tube orthogonal with orientation is symmetrical.
(embodiment)
Hereinafter, the infrared heater involved by embodiment is illustrated referring to the drawings.Fig. 1 is to represent embodiment
The top view of involved infrared heater.Fig. 2 is to represent to insert possessed by the infrared heater involved by embodiment
Stereogram near base member.Fig. 3 is the side view for representing the infrared heater involved by embodiment.
Infrared heater 1 involved by present embodiment possesses：Launch multiple luminous tubes 5 of infrared ray；As link
The female component 6 of part；Reflectance coating 7.Infrared heater 1 is so-called halogen heater.Hereinafter, to two luminous tubes
5 infrared heater 1 illustrates, but the number of luminous tube 5 is not limited to this.As shown in Figure 1, Figure 2 and Figure 3, exist
In infrared heater 1, the orientation of multiple luminous tubes 5 is set to X-direction, the length direction of luminous tube 5 is set to Y side
To, by luminous tube 5 with irradiate have the irradiated body (not shown) of infrared ray opposed direction be set to Z-direction.
Luminous tube 5 is for example formed as cylindric by quartz glass.In the inside of luminous tube 5, such as the length along luminous tube 5
Direction is provided with filament 11 made of tungsten.Filament 11 can also be by being main component with Kang Taer (kanthal) or carbon etc.
Material is made.Because infrared heater 1 has filament 11 made of above-mentioned material, therefore infrared heater 1 can be sent out
Project the infrared ray in short wavelength region to medium wavelength region.
In the inside of luminous tube 5, being arranged at intervals along the length direction of luminous tube 5 has multiple rings of supporting filament 11
The fixture 12 of shape.By fixture 12, filament 11 is supported on the precalculated position radially in luminous tube 5.
On the both ends of filament 11, stretch both ends along the length direction of luminous tube 5 and be engaged in the one of metal foil 14
End, still, the both ends of filament 11 be not limited to it is this drawing, for example, the both ends of filament 11 can also be formed as linear.
Leaded 15 are engaged in the other end of metal foil 14, lead 15 is drawn from luminous tube 5.The both ends of luminous tube 5 formed with
Coat the sealing 16 of simultaneously sealing metal paper tinsel 14.Sealing 16 can be formed as tabular by compressing sealing, can also pass through
Collapsed seal is formed as cylindric.In Fig. 2 and Fig. 3, flat sealing 16 is arranged to along the arrangement side of multiple luminous tubes 5
Arranged to (X-direction), but it does not limit the direction of flat sealing 16, for example, can be configured along Z-direction flat
Sealing 16.
Moreover, multiple luminous tubes 5 arrange along the radial direction (X-direction) of luminous tube 5 in parallel relationship.Each luminous tube
5 are for example connected in parallel with each other via lead 15, but are not limited to be connected in parallel, and can also be connected in series.
Also, as shown in Figures 1 and 3, with regard in multiple luminous tubes 5 in the orientation (X-direction) of multiple luminous tubes 5
For clearance D between two luminous tubes 5 adjacent to each other, the clearance D is set to below 10mm in the light-emitting zone A of luminous tube 5.
From suppress the exposure intensity as caused by clearance D than decline from the viewpoint of, preferably reduce clearance D, it might even be possible to make adjacent
The outer peripheral face of luminous tube 5 is in contact with each other (i.e. clearance D is 0mm).If clearance D can cause exposure intensity more than 10mm, clearance D
Than declining, therefore preferably clearance D is not set to be more than 10mm.
Female component 6 links the sealing 16 at the both ends of multiple luminous tubes 5 along the arranged radially of luminous tube 5.Socket
Part 6 is made such as the resin material with heat resistance, ceramics, and is fixed on sealing 16 by bonding agent.Receptacle portion
Part 6 has the multiple maintaining part 6a for the sealing 16 for keeping each luminous tube 5.Maintaining part 6a has the sealing for clamping luminous tube 5
The retention groove 6b in portion 16.In addition, the lead 15 drawn from the sealing 16 of luminous tube 5 penetrate female component 6 and from female component 6
Outside to infrared heater 1 is drawn.Luminous tube 5 is powered via lead 15 from external power source (not shown), so as to send out
Project infrared ray.
Reflectance coating 7 is arranged at the outer peripheral face as side face of luminous tube 5, so as to the infrared ray that will launch from luminous tube 5
Reflected towards predetermined direction of illumination.In addition, reflectance coating 7 can also be arranged on the inner peripheral surface of luminous tube 5.Reflectance coating 7 is by with gold
It is made up of the material of main component, therefore, with being reflectance coating made of the material of main component with aluminum oxide or silica etc.
Compare, it is possible to increase reflectivity.
As shown in figure 3, reflectance coating 7 is arranged to the predetermined coverage in the circumference of luminous tube 5, also, such as Fig. 1
Shown, reflectance coating 7 is arranged to the light-emitting zone A on the length direction (Y-direction) of luminous tube 5.As shown in figure 3, as pre-
Fixed coverage, reflectance coating 7 are arranged to more than 1/4 and less than 3/4 of the complete cycle of luminous tube 5 in the circumference of luminous tube 5
Coverage.In other words, it is more than 90 ° that reflectance coating 7, which is arranged to throughout the central angle centered on the central shaft O of luminous tube 5,
And less than 270 ° of coverage.As one, the reflectance coating 7 shown in Fig. 3 is arranged to luminous in the circumference of luminous tube 5
The coverage of 1/2 (180 °) of the complete cycle of pipe 5.
In addition, as shown in figure 3, the position of the reflectance coating 7 in the circumference of each luminous tube 5 is arranged on and and irradiated body
The opposite side in opposed side.In each luminous tube 5, reflectance coating 7 is configured to, in length direction (the Y side with luminous tube 5
To) on orthogonal section (X-Z plane), relative to the orthogonal luminous tube 5 of the orientation (X-direction) with multiple luminous tubes 5
Center line C1 is symmetrical.Therefore, each reflectance coating 7 of each luminous tube 5 is configured to, on the section (X-Z plane), relative to more
Center line C2 in the orientation of individual luminous tube 5 is also symmetrical.In addition, the various modifications example of the coverage on reflectance coating 5,
It will be described later, but it is also possible to which reflectance coating 7 is arranged in the circumference of luminous tube 5 relative in luminous tube 5
Heart line C1 is offset to side.
(thickness of reflectance coating)
Fig. 4 is the thickness and exposure intensity for representing reflectance coating 7 possessed by the infrared heater 1 involved by embodiment
The figure of relation than between.In Fig. 4, the longitudinal axis represents exposure intensity ratio (%), and transverse axis represents the thickness (nm) of reflectance coating 7.Fig. 4
In exposure intensity ratio (%) refer to：Exposure intensity when being not provided with reflectance coating 7 in luminous tube 5 is being used for a reference value table
In the case of being shown as 100 (%), change the exposure intensity after the thickness for the reflectance coating 7 for being arranged at luminous tube 5 relative to a reference value
Ratio.
As shown in figure 4, with the thickness increase of reflectance coating 7, exposure intensity increases than also, if thickness turns into 130nm or so
More than, then the increase (i.e. exposure intensity than increase) of reflectivity slows down, and exposure intensity ratio tends to be substantially constant.If reflectance coating 7
Thickness turn into more than 180nm or so, then exposure intensity ratio culminates, therefore, even if thickness reaches more than 300nm, irradiation
Intensity ratio is also almost unchanged.Therefore, data of the thickness of reflectance coating 7 in 0nm to 240nm are illustrated in Fig. 4, are eliminated
Data during 240nm to 300nm and data during more than 300nm.Also, as the thickness of reflectance coating 7 thickens, reflectance coating 7 holds
Easily it is stripped, and the usage amount of gold can also increase, so as to cost of material be caused to increase.On the other hand, if the film of reflectance coating
Thickness is less than 45nm, then can increase through the transmission amount of the infrared ray of reflectance coating 7, can not obtain enough reflectivity.
In view of this shifting relation, the thickness of the reflectance coating 7 of embodiment is set as more than 45nm and 300nm
Below.Also, want to take into account stripping, the increase of suppression cost of material for improving exposure intensity, suppressing reflectance coating 7, preferably will be anti-
The thickness for penetrating film 7 is set to such as 90nm or so above and below 230nm or so.
(coverage of reflectance coating)
Fig. 5 is the coverage for showing schematically reflectance coating 7 possessed by the infrared heater 1 involved by embodiment
Variation figure.Here, for convenience of description, will not set in the circumference of luminous tube 5 between the both ends of reflectance coating 7 and
The non-coverage for being equipped with reflectance coating 7 is referred to as the opening portion of reflectance coating 7.In Figure 5, by using the central shaft O of luminous tube 5 in
Both ends of reflectance coating 7 in the circumference of the luminous tube 5 of the heart at angle theta 1 be referred to as reflectance coating 7 opening portion be in central angle θ 1,
And each variation when in Figure 5, representing central angle θ 1 being set to 180 °, 160 °, 140 ° successively from top to bottom.
In Figure 5, it is in the case that central angle θ 1 is 180 ° in the opening portion of reflectance coating 7, the two of reflectance coating 7 will be connected
The plane at end around luminous tube 5 the inclined tiltangleθs 2 of central shaft O be referred to as reflectance coating 7 opening surface tiltangleθ 2, and from
Left-to-right each variation when representing tiltangleθ 2 being set to 0 °, 15 °, 30 °, 45 ° successively.Also, changing tiltangleθ 2
Each variation in, each reflectance coating 7 of two luminous tubes 5 is with relative to the center in the orientation of two luminous tubes 5
The mode that line C2 is mutually symmetrical tilts.
Be in the opening portion of reflectance coating 7 central angle θ 1 be 160 °, 140 ° in the case of, with central angle θ 1 be 180 ° when it is same
Sample, each variation when from left to right representing tiltangleθ 2 being set to 0 °, 15 °, 30 °, 45 ° successively.In addition, in reflectance coating 7
Opening portion be in central angle θ 1 be 160 °, 140 ° in the case of, orthogonal with the Zhong Xin Shaft O (length direction) of luminous tube 5
On the section (X-Z plane) of luminous tube 5, one end of the reflectance coating 7 in the circumference of luminous tube 5 and the central shaft O of luminous tube 5 company
Wiring is around tiltangleθ 2 of the inclined tiltangleθs 2 of Zhong Xin Shaft O equivalent to the opening surface of reflectance coating 7.
In Figure 5, the opening portion of reflectance coating 7 is in that structure when central angle θ 1 is 180 ° is arranged to equivalent to reflectance coating 7
Throughout the structure for the coverage that the central angle centered on central shaft O is 180 °.The opening portion of reflectance coating 7 is in central angle
Structure at 160 ° is arranged to throughout the coverage that the central angle centered on central shaft O is 200 ° equivalent to reflectance coating 7
Structure.The opening portion of reflectance coating 7 is in that structure when central angle is 140 ° is arranged to throughout with central shaft O equivalent to reflectance coating 7
Centered on central angle be 220 ° coverage structure.
As shown in figure 5, the coverage of reflectance coating 7 is not limited to the angle of above-mentioned example, can be according to light distribution characteristic
Adjustment demand suitably change central angle θ 1 and tiltangleθ 2., can be in luminous tube 5 by changing central angle θ 1 and tiltangleθ 2
Any radial position improve towards and the opening portion face of reflectance coating 7 direction irradiation infrared ray exposure.
(relation between coverage and the exposure intensity ratio of reflectance coating)
Fig. 6 is to represent that infrared heater 1, reflectance coating 7 the opening portion involved by embodiment is in central angle θ 1
For 180 ° when exposure intensity than distribution figure.Fig. 7 is to represent infrared heater 1, the reflection involved by embodiment
The opening portion of film 7 be in central angle θ 1 be 160 ° when exposure intensity than distribution figure.Fig. 8 is represented involved by embodiment
Infrared heater 1, reflectance coating 7 opening portion be in central angle θ 1 be 140 ° when exposure intensity than distribution figure.
In Fig. 6, Fig. 7 and Fig. 8, the longitudinal axis represents that exposure intensity represents the orientation from two luminous tubes 5 than %, transverse axis
The distance (mm) of Zhong Xin Shaft C2 in (X-direction).Fig. 6, Fig. 7 and Fig. 8 are surveyed for each variation (embodiment) shown in Fig. 5
The exposure intensity of the fixed infrared ray irradiated from two luminous tubes 5 than distribution result.Here, exposure intensity ratio refers to：
Opening portion using reflectance coating 7 be in central angle θ 1 be 180 °, exposure intensity of the tiltangleθ 2 when being 0 ° be expressed as a reference value
In the case of 100%, exposure intensity relative to a reference value ratio.Exposure intensity determines as follows：Use multipurpose spectral radiance
MSR-7000 (Co., Ltd. O pto Research manufactures) is counted, light-receiving device configuration (is had into the luminous tube 5 of each embodiment
) on center line C2 in the orientations of two luminous tubes 5 of infrared heater 1, and by the luminous tube 5 in Z-direction with
The distance between light-receiving device is set to 30mm, so as to be irradiated the measure of intensity.
In figure 6, using the opening portion of reflectance coating 7 be in central angle θ 1 for 180 °, tiltangleθ 2 be 0 ° when as embodiment 1
(180 °, 0 °) are simultaneously indicated by the solid line, the opening portion using reflectance coating 7 be in central angle θ 1 for 180 °, tiltangleθ 2 be 15 ° when as
Embodiment 2 (180 °, 15 °) is simultaneously represented by dashed line.Moreover, in figure 6, the opening portion by reflectance coating 7 is in that central angle θ 1 is
180 °, tiltangleθ 2 represented as embodiment 3 (180 °, 30 °) and with a chain-dotted line when being 30 °, by the opening portion institute of reflectance coating 7
It it is 180 ° in central angle θ 1, tiltangleθ 2 as embodiment 4 (180 °, 45 °) and is indicated by a dotted line when being 45 °.
As shown in fig. 6, when in the opening portion of reflectance coating 7 to be in central angle θ 1 be 180 °, with the increase of tiltangleθ 2, two
Exposure intensity on center line C2 in the orientation of individual luminous tube 5 is than gradually increasing, and the center in remote orientation
Exposure intensity ratio on line C2 position then diminishes.
Equally, in the figure 7, using the opening portion of reflectance coating 7 be in central angle θ 1 for 160 °, tiltangleθ 2 be 0 ° when as reality
Apply example 5 (160 °, 0 °) and represented with two chain-dotted lines, the opening portion by reflectance coating 7 is in that central angle θ 1 is for 160 °, tiltangleθ 2
As embodiment 6 (160 °, 15 °) and it is represented by dashed line at 15 °.Moreover, in the figure 7, the opening portion by reflectance coating 7 is in center
Angle θ 1 is 160 °, tiltangleθ 2 is represented as embodiment 7 (160 °, 30 °) and with a chain-dotted line when being 30 °, by opening for reflectance coating 7
Oral area be in central angle θ 1 for 160 °, tiltangleθ 2 be 45 ° when as embodiment 8 (160 °, 45 °) and be indicated by a dotted line.Also,
Still embodiment 1 (180 °, 0 °) indicated by the solid line in the figure 7.
It is same when with central angle θ 1 being 180 ° as shown in fig. 7, when in the opening portion of reflectance coating 7 to be in central angle θ 1 be 160 °
Sample, with the increase of tiltangleθ 2, the exposure intensity on center line C2 in the orientation of two luminous tubes 5 is than gradually increasing
Greatly, the exposure intensity ratio on the position of the center line C2 in remote orientation then diminishes.Moreover, with embodiment 1 (180 °,
0 °) to compare, the exposure intensity ratio on center line C2 in the orientation of embodiment 5 (160 °, 0 °) is higher.
Equally, in fig. 8, using the opening portion of reflectance coating 7 be in central angle θ 1 for 140 °, tiltangleθ 2 be 0 ° when as reality
Apply example 9 (140 °, 0 °) and represented with two chain-dotted lines, the opening portion by reflectance coating 7 is in that central angle θ 1 is for 140 °, tiltangleθ 2
As embodiment 10 (140 °, 15 °) and it is represented by dashed line at 15 °.Moreover, in fig. 8, during the opening portion by reflectance coating 7 is in
Heart angle θ 1 is 140 °, tiltangleθ 2 is represented as embodiment 11 (140 °, 30 °) and with a chain-dotted line when being 30 °, by reflectance coating 7
Opening portion be in central angle θ 1 for 140 °, tiltangleθ 2 be 45 ° when as embodiment 12 (140 °, 45 °) and be indicated by a dotted line.
Also, still embodiment 1 (180 °, 0 °) indicated by the solid line in fig. 8.
It is same when with central angle θ 1 being 180 ° as shown in figure 8, when in the opening portion of reflectance coating 7 to be in central angle θ 1 be 140 °
Sample, with the increase of tiltangleθ 2, the exposure intensity on center line C2 in the orientation of two luminous tubes 5 is than gradually increasing
Greatly, the exposure intensity ratio on the position of the center line C2 in remote orientation then diminishes.Moreover, with embodiment 1 (180 °,
0 °) to compare, the exposure intensity ratio on center line C2 in the orientation of embodiment 9 (140 °, 0 °) is higher.
In addition, as shown in Fig. 6, Fig. 7 and Fig. 8, as the opening portion of reflectance coating 7 is in that central angle θ 1 diminishes, that is to say, that
Increase with the coverage of the reflectance coating 7 in the circumference of luminous tube 5, the luminous tube 5 in the orientation of two luminous tubes 5
Center line C2 near exposure intensity than gradually increase.Because：In the structure with two luminous tubes 5, if reflection
The opening portion of film 7 is in that central angle θ 1 diminishes, then the infrared ray that each luminous tube 5 is launched can be by optically focused；Moreover, with
In the structure of two luminous tubes 5, if reflectance coating 7 is inclined around central shaft O Pour are oblique in a manner of being mutually symmetrical relative to center line C2
Bevel angle θ 2 increases, then the infrared ray that each luminous tube 5 is launched can be towards the center line in the orientation of two luminous tubes 5
C2 optically focused.
Reflected as described above, the infrared heater 1 of embodiment has made of using gold as the material of main component
Film 7.Thereby, it is possible to the infrared ray for suppressing to launch from luminous tube 5 to pass through reflectance coating 7, it is possible to increase the reflectivity of reflectance coating 7,
So as to improve the illumination efficiency of infrared ray.Being additionally, since infrared heater 1 has a female component 6, therefore can be across
Desired clearance D and link any number of luminous tube 5, so as to improve the free degree of adjustment light distribution characteristic.
In addition, reflectance coating 7 possessed by infrared heater 1 is arranged to more than 1/4 and 3/4 throughout the complete cycle of luminous tube 5
Following coverage.Thus, exposure intensity can suitably be adjusted according to the coverage of reflectance coating 7, so as to obtain
Desired light distribution characteristic.Moreover, the position of the reflectance coating 7 in circumference by suitably adjusting luminous tube 5, can suitably be adjusted more
Exposure intensity ratio in the orientation of individual luminous tube 5, so as to obtain desired light distribution characteristic.
In addition, the thickness of reflectance coating 7 possessed by infrared heater 1 is more than 45nm and below 300nm.Thus, energy
Stripping, the increase of suppression cost of material for enough take into account and improve exposure intensity, suppressing reflectance coating 7.
In addition, in infrared heater 1, with regard in multiple luminous tubes 5 in the orientation of multiple luminous tubes 5 each other
For clearance D between two adjacent luminous tubes 5, the clearance D is set to below 10mm in the light-emitting zone A of luminous tube 5.By
This, the gap of infrared radiation reduction can be reduced between adjacent luminous tube 5, can suppress the arrangement of multiple luminous tubes 5
The distribution of exposure intensity on direction produces deviation, so as to obtain desired light distribution characteristic in orientation.
Hereinafter, the infrared heater of other embodiment is illustrated referring to the drawings.In addition, in other embodiment
In, pair with above-mentioned embodiment identical component parts mark identical symbol, and omit the description.
(other embodiment)
Fig. 9 is the sectional view for representing the infrared heater involved by other embodiment.Figure 10 is to represent other implementations
The sectional view of infrared heater involved by the variation of mode.The difference of other embodiment and above-mentioned embodiment exists
In being configured with three luminous tubes 5.
As shown in figure 9, the infrared heater 2 of other embodiment possesses female component 26, the female component 26 makes edge
Each sealing 16 at three both ends of luminous tube 5 of the arranged radially of luminous tube 5 is connected to each other.Reflectance coating 7 is arranged on each hair
The coverage of 1/2 (180 °) of the outer peripheral face of light pipe 5 and the complete cycle of luminous tube 5 in the circumference of luminous tube 5.Moreover,
The position of reflectance coating 7 in the circumference of luminous tube 5 is located at the side opposite with the side that irradiated body is opposed, and reflects
Film 7 is configured on the section orthogonal with the length direction of luminous tube 5 (Y-direction) relative to the arrangement side with three luminous tubes 5
The center line C1 of the luminous tube 5 orthogonal to (X-direction) is symmetrical.
As shown in Figure 10, in the infrared heater 3 of the variation of other embodiment, the position in three luminous tubes 5
It is configured in the reflectance coating 7 of each luminous tube 5 of the both sides in orientation (X-direction), in the length side with these luminous tubes 5
To on orthogonal section (X-Z plane), it is offset to relative to the center line C1 of these luminous tubes 5 orthogonal with orientation and phase
The opposite side of adjacent luminous tube 5.That is, each of the both sides in orientation in three luminous tubes 5 lights
The reflectance coating 7 of pipe 5 is configured to, its opening portion (that is, the middle section of the reflectance coating 7 in the circumference of luminous tube 5) direction arrangement side
Upward center line C2 sides.Thereby, it is possible to increase luminous tube 5 towards the side pair with being configured with reflectance coating 7 in a manner of biasing
The exposure of the infrared ray for the direction irradiation put.Moreover, on the section (X-Z plane) orthogonal with the length direction of luminous tube 5,
Each reflectance coating 7 of each luminous tube 5 of the both sides in orientation in three luminous tubes 5 is arranged to, relative to row
Center line C2 on column direction is mutually symmetrical.
Also, in the central luminous tube 5 being located in orientation in three luminous tubes 5, reflectance coating 7 configures
Into luminous relative to this orthogonal with orientation on the section (X-Z plane) orthogonal with the length direction of the luminous tube 5
The center line C1 of pipe 5 is symmetrical.In addition, if infrared heater has such as six luminous tubes 5, positioned at six luminous tubes 5
Central luminous tube 5 in orientation includes two luminous tubes 5.That is, if infrared heater has odd number luminous tube 5,
Then the central luminous tube 5 in the orientation of multiple luminous tubes 5 is one, if infrared heater has even number hair
Light pipe 5, then the central luminous tube 5 in the orientation of multiple luminous tubes 5 is two.
According to the infrared heater 2 of other embodiment, the luminous of reflection efficiency is improved by reflectance coating 7 by increasing
The quantity of pipe 5, the range of exposures of infrared ray can be expanded.The irradiation in orientation thereby, it is possible to adjust three luminous tubes 5
Intensity than distribution, so as to obtain desired light distribution characteristic.
Also, according to the infrared heater 3 of the variation of other embodiment, pass through being located in three luminous tubes 5
The reflectance coating 7 of two luminous tubes 5 of the both sides in orientation can enter to the center line C2 sides (i.e. central) in orientation
Row optically focused, so as to improve the exposure intensity ratio in center.Thereby, it is possible to the range of exposures of infrared ray is concentrated on into three to light
Center in the orientation of pipe 5, so as to effectively to configuring in the position opposed with the center line C2 in orientation
On irradiated body heated.
In addition, infrared heater msy be also constructed to：With from multiple luminous tubes 5 in orientation
The luminous tube 5 of centre makes reflectance coating 7 in the circumference of luminous tube 5 towards each luminous tube 5 at the both ends in orientation
The coverage of configuration or reflectance coating 7 in the circumference of luminous tube 5 gradually changes.By the configuration and covering that make reflectance coating 7
Orientation of the scope along multiple luminous tubes 5 changes, can be easily adjusted exposure intensity in orientation than point
Cloth, so as to obtain desired light distribution characteristic.
For example, when infrared heater is the structure with five luminous tubes 5, the position in five luminous tubes 5 can be made
Reflectance coating 7 in two luminous tubes 5 at the both ends in orientation, centrally located luminous tube 5 reflectance coating 7 and point
The reflectance coating 7 of not two luminous tube 5 adjacent with each luminous tube 5 at both ends is formed as, and its coverage is in each luminous tube 5
Circumference on it is different.For example, as the luminous tube 5 from center is towards the luminous tube 5 at both ends, reflectance coating 7 can be made to more
The amount of both sides biasing in the orientation of individual luminous tube 5 becomes larger, so that infrared ray is towards the center in orientation
Side optically focused.
Or the coverage of reflectance coating 7 can also be set to not according to the position of each luminous tube 5 in orientation
Together, so that the irradiation in the orientation of multiple luminous tubes 5 is evenly distributed.In addition, reflectance coating 7 be not limited to be arranged on it is all
On luminous tube 5.Multiple luminous tubes 5 can include light distribution characteristic adjustment demand is provided with reflectivity and the reflection being made up of gold
The luminous tube 5 of other different reflectance coatings of the reflectivity of film 7, the luminous tube 5 for being not provided with reflectance coating 7 can also be included.
In addition, for the reflectance coating on a luminous tube 5, can be applied in combination in the circumference of a luminous tube 5 by
Reflectance coating 7 made of gold and the reflectance coating made of aluminum oxide or silica.At this time it is also possible to make in a luminous tube 5
Orientation of the ratio of the mutually different various reflectance coatings of reflectivity along multiple luminous tubes 5 changes.In addition, reflectance coating 7
It may be formed as, between the both sides and center on the length direction (central shaft O directions) of a luminous tube 5, in circumference
Coverage gradually changes.For example, pass through the reflectance coating 7 at both ends that each luminous tube 5 is set on length direction (Y-direction)
Coverage is more than the coverage of the central reflectance coating 7 on length direction, so as to suitably adjust luminous tube 5 in length direction
On Illumination Distribution.
In addition, in the infrared heater 1 of embodiment, multiple luminous tubes 5 are fitly arranged in a row, still, root
According to the adjustment demand of desired light distribution characteristic, each luminous tube 5 can also be made with the length direction of luminous tube 5 (Y-direction)
The mutually different mode in position on the upper or direction (Z-direction) opposed with irradiated body is arranged in the arrangement of multiple luminous tubes 5
On direction (X-direction).
More than, embodiments of the present invention are illustrated, but embodiment is to be merely illustrative, it is unlimited
Determine the intention of the scope of the present invention.These embodiments can by it is other it is various in a manner of implement, do not departing from present inventive concept
In the range of, various omissions, displacement, change etc. can be carried out.These embodiments or its deformation belong to the scope of the present invention or ancestor
In purport, and it is also contained in invention and its equivalent scope described in technical scheme.
Claims (5)
1. a kind of infrared heater, it is characterised in that possess：
Multiple luminous tubes, its is cylindrical and launches infrared ray；
Connecting member, link the end of the multiple luminous tube along the arranged radially of the luminous tube；And
Reflectance coating, it is arranged at the side face of the luminous tube and reflects the infrared ray,
The reflectance coating using gold of the material of main component by being made up.
2. infrared heater according to claim 1, it is characterised in that：
The reflectance coating is arranged to more than 1/4 and less than 3/4 coverage throughout the luminous tube complete cycle.
3. infrared heater according to claim 1 or 2, it is characterised in that：
The thickness of the reflectance coating is more than 45nm and below 300nm.
4. infrared heater according to claim 1 or 2, it is characterised in that：
In each luminous tube of the both sides in orientation in the multiple luminous tube, the reflectance coating is configured to,
On the section orthogonal with the length direction of the luminous tube, relative in the luminous tube orthogonal with the orientation
Heart line biases to the side opposite with adjacent luminous tube.
5. infrared heater according to claim 4, it is characterised in that：
The multiple luminous tube comprises at least three luminous tubes,
In the central luminous tube in the orientation in the multiple luminous tube, the reflectance coating is configured to, with
On the orthogonal section of the length direction of the luminous tube, relative to the center line pair of the luminous tube orthogonal with the orientation
Claim.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016125580A JP6834188B2 (en) | 2016-06-24 | 2016-06-24 | Infrared heater |
| JP2016-125580 | 2016-06-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107548171A true CN107548171A (en) | 2018-01-05 |
Family
ID=58387638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710164577.XA Pending CN107548171A (en) | 2016-06-24 | 2017-03-20 | Infrared heater |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3261410B1 (en) |
| JP (1) | JP6834188B2 (en) |
| CN (1) | CN107548171A (en) |
| ES (1) | ES2731361T3 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113977959A (en) * | 2020-07-27 | 2022-01-28 | 丰田自动车株式会社 | Infrared ray cladding machine |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7124593B2 (en) * | 2018-09-21 | 2022-08-24 | 東芝ライテック株式会社 | heater |
| AT525956A1 (en) * | 2022-02-21 | 2023-09-15 | Easytherm Gmbh | Radiant heating element |
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|---|---|---|---|---|
| US5382805A (en) * | 1993-11-01 | 1995-01-17 | Fannon; Mark G. | Double wall infrared emitter |
| CN101500452A (en) * | 2006-06-16 | 2009-08-05 | 泰姆普科电热器公司 | Radiant heater |
| CN101657049A (en) * | 2008-08-20 | 2010-02-24 | 松下电器产业株式会社 | heating cooker |
| JP2010112586A (en) * | 2008-11-04 | 2010-05-20 | Mitsubishi Electric Corp | Heating cooker |
| CN102625499A (en) * | 2011-01-31 | 2012-08-01 | 乐金电子(天津)电器有限公司 | Barbecue tube with reflecting function and microwave oven |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3225852B2 (en) * | 1996-09-26 | 2001-11-05 | ウシオ電機株式会社 | Lamp device |
| US5951896A (en) * | 1996-12-04 | 1999-09-14 | Micro C Technologies, Inc. | Rapid thermal processing heater technology and method of use |
| FR2847759A1 (en) * | 2002-11-27 | 2004-05-28 | Koninkl Philips Electronics Nv | Heating system for industrial use in drying or plastic forming, uses reflector housing two infrared sources that operate in different regions of the infrared spectrum to allow control of type of heat delivered |
| JP2008541366A (en) * | 2005-05-11 | 2008-11-20 | ナムローゼ・フェンノートシャップ・ベーカート・ソシエテ・アノニム | Reflectors for infrared radiating elements |
-
2016
- 2016-06-24 JP JP2016125580A patent/JP6834188B2/en active Active
-
2017
- 2017-03-15 ES ES17161007T patent/ES2731361T3/en active Active
- 2017-03-15 EP EP17161007.4A patent/EP3261410B1/en active Active
- 2017-03-20 CN CN201710164577.XA patent/CN107548171A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5382805A (en) * | 1993-11-01 | 1995-01-17 | Fannon; Mark G. | Double wall infrared emitter |
| CN101500452A (en) * | 2006-06-16 | 2009-08-05 | 泰姆普科电热器公司 | Radiant heater |
| CN101657049A (en) * | 2008-08-20 | 2010-02-24 | 松下电器产业株式会社 | heating cooker |
| JP2010112586A (en) * | 2008-11-04 | 2010-05-20 | Mitsubishi Electric Corp | Heating cooker |
| CN102625499A (en) * | 2011-01-31 | 2012-08-01 | 乐金电子(天津)电器有限公司 | Barbecue tube with reflecting function and microwave oven |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113977959A (en) * | 2020-07-27 | 2022-01-28 | 丰田自动车株式会社 | Infrared ray cladding machine |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3261410B1 (en) | 2019-05-01 |
| JP2017228493A (en) | 2017-12-28 |
| JP6834188B2 (en) | 2021-02-24 |
| ES2731361T3 (en) | 2019-11-15 |
| EP3261410A1 (en) | 2017-12-27 |
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