JP5866536B2 - Resin curing device - Google Patents

Description

  The present invention relates to a resin curing device that irradiates an object to be irradiated with light.

  Conventionally, in order to decorate the nail of a fingertip of a hand or a foot, it is generally performed to attach an artificial nail such as a nail tip or a sculpture to the self nail. As this artificial nail, there is a gel nail that forms an artificial nail using a gel mainly composed of urethane acrylic resin or the like. Gel is a kind of photo-curing resin, which is cured by being irradiated with light of a specific wavelength in the ultraviolet region to form an artificial nail. For this reason, a gel nail requires a gel nail curing device as a resin curing device in order to cure the gel (for example, Patent Document 1).

  This type of gel nail curing device includes an arrangement chamber forming member that forms an insertion port for inserting a hand or a foot (hereinafter simply referred to as “hand”) and an arrangement chamber for arranging a hand inserted from the insertion port. And a light emitting section for emitting pulsed light in the arrangement chamber. The placement chamber forming member includes a placement table on which a hand is placed on the inner surface that defines the placement chamber.

  The placement chamber is connected to the outside through the insertion port. For this reason, when the light emitting unit emits pulsed light after the hand is arranged in the arrangement chamber, depending on the color (for example, white) of the mounting surface of the mounting table, the pulsed light is reflected by the mounting surface, It may leak out from the insertion slot. At this time, the leaked pulsed light enters the user's field of view, and the user feels dazzled.

  In addition, the mounting surface becomes hot with the light emission of the light emitting unit, and noise may be generated due to the photoacoustic effect due to the periodic increase in the temperature of the air around the mounting surface, and silence is impaired. .

  Such glare and noise may cause discomfort to the user.

JP 2013-212326 A

  Then, this invention makes it a subject to provide the resin hardening apparatus which does not give a user a discomfort in view of the said problem.

  The resin curing device according to the present invention includes an insertion port for inserting an irradiation target object, an arrangement chamber forming member in which an arrangement chamber for arranging the irradiation target object inserted from the insertion port is formed, and a pulse in the arrangement chamber A light emitting unit that emits light, and the arrangement chamber forming member includes a mounting table on which the irradiation target object is mounted, the mounting table having a glossy mounting surface, and having a black color It is provided with the mounting surface which has.

  According to such a configuration, when the light emitting unit emits pulsed light to the placement chamber and the pulsed light hits the placement surface, the placement surface absorbs the pulsed light because the placement surface has a black color. To do. Therefore, the brightness of the pulsed light that is reflected from the placement surface and leaks from the insertion port is reduced. Therefore, the glare given to the user is reduced.

  Further, when the light strikes the placement surface, the placement surface is glossy, and the surface of the placement surface having gloss is a smooth surface. Surface area of the mounting surface having gloss is small. That is, since the surface area when the mounting surface is a smooth surface is smaller than the surface area when the mounting surface is a rough surface, if the mounting surface is a smooth surface, the amount of light absorbed by the mounting surface Is reduced. For this reason, it is considered that the temperature of the placement surface is unlikely to rise. And it becomes difficult for the temperature of the air which faced the mounting surface to rise, and this air becomes difficult to expand. In addition, the air at each point on the mounting surface repeatedly expands and contracts, and the air regions at each point overlap each other and interfere with each other. If the mounting surface is rough, the surface has irregularities, and at each point on the surface, the influence of each air region from the pulsed light varies, and the expansion of the air region at each point It is considered that the degree of contraction changes, and the variation in the degree of overlapping of the air regions increases. If the mounting surface is a smooth surface, the surface is flat, air areas at each point are uniformly aligned on the mounting surface, and variations in the overlapping of the air areas are less likely to occur. it is conceivable that. For this reason, if the mounting surface is a smooth surface, it is considered that the expansion and contraction of the air region at each point is kept in harmony, and the difference between the expansion and contraction of air repeated by the pulsed light is reduced. Therefore, it is considered that the vibration of the air is reduced, the vibration of the air does not easily reach the human audible range, and is less likely to be a noise. Therefore, the user is less susceptible to glare and noise, and is less likely to miss discomfort.

  In this case, it is preferable that the placement surface is a surface having a total light reflectance of 10% or less with respect to pulsed light having a wavelength of 315 nm or more and 715 nm or less, and a mirror glossiness of 80% or more. Furthermore, it is preferable that the mounting surface is formed of a polycarbonate resin coated with a black paint or a black ABS resin.

  According to such a configuration, since the mounting surface is a smooth surface, even if the mounting surface is a surface having a black color, the air around the mounting surface that has been struck by pulsed light is less likely to vibrate, and noise. It is thought that it is hard to cause. Therefore, the user is less susceptible to glare and noise, and is less likely to miss discomfort.

  ADVANTAGE OF THE INVENTION According to this invention, the resin hardening apparatus which is hard to give a user a discomfort can be provided.

A perspective view of a resin curing device according to the present embodiment A perspective view of the resin curing device in a state where the front wall surface of the outer wall of the cover provided with the insertion port is removed and the mounting table is removed. Schematic longitudinal sectional view of a resin curing device for explaining the inside of the resin curing device Diagram showing total light reflectance measured for each sample under different conditions and spectral energy distribution of irradiated light

  Hereinafter, an embodiment of the present invention will be described with reference to FIGS. A resin curing device 1 according to the present embodiment (hereinafter also simply referred to as “device 1”) is a device that cures a photocurable resin by irradiating a photocurable resin applied to a fingernail with a pulsed light. . As shown in FIGS. 1 to 3, the resin curing device 1 is an arrangement chamber in which an insertion port 2 for inserting an object to be irradiated and an arrangement chamber 3 for arranging an object to be irradiated inserted from the insertion port 2 are formed. A forming member 4 and a light emitting unit 5 that emits pulsed light to the arrangement chamber 3 are provided. The object to be irradiated is a part including at least a region where a photo-curing resin is applied. The irradiated object according to the present embodiment is a fingertip of a hand (hereinafter, the irradiated object is also simply referred to as “fingertip”). The apparatus 1 further includes a control unit 6 and an operation unit 7.

  The arrangement chamber forming member 4 forms the insertion port 2, the arrangement chamber 3, and the light generation chamber 8 in which the light emitting unit 5 and the control unit 6 are provided. The arrangement chamber forming member 4 has a substantially rectangular appearance. In the following, the wall surface of the arrangement chamber forming member 4 in which the insertion port 2 is formed is the front surface, the lateral direction of this wall surface in FIG. 1 is the width direction (alignment direction), the vertical direction of this wall surface is the height direction, Let the depth direction be the front-rear direction.

  The arrangement chamber forming member 4 includes a placement table 9 on which a fingertip (object to be irradiated) is placed. Specifically, the arrangement chamber forming member 4 includes a mounting table 9 and a cover 10 that covers a fingertip mounted on the mounting table 9.

  The mounting table 9 includes a plate-like base portion 11 that extends in the width and front-rear direction, and a pair of walls 12 and 12 that are erected on the base portion 11.

  The base portion 11 is a substantially rectangular plate-like portion in plan view. The base 11 has a placement surface 13 on which the object to be irradiated is placed on a surface (on the inner surface) that defines the arrangement chamber 3 together with the cover 10. The mounting surface 13 is a surface disposed in front of the light emitting unit 5. The placement surface 13 is glossy. The mounting surface 13 has a black color. In other words, the mounting surface 13 is a surface having a specular glossiness of 80% or more with respect to pulsed light having a wavelength of 315 nm or more and 715 nm or less.

  Specifically, the mounting table 9 is formed of black ABS resin, and the mounting surface 13 is a surface of a member obtained by processing a black material. The surface of the mounting surface 13 is mirror-finished by buffing or the like.

  Alternatively, the mounting table 9 is formed of polycarbonate resin, and the mounting surface 13 is a surface coated with a black paint. This black paint has a mirror finish after painting.

  Each of the pair of walls 12 and 12 has a reflection surface on the surface in order to reflect light hitting the surface to the fingertip. Specifically, each of the pair of walls 12 and 12 includes a reflecting member on the surface.

  The mounting table 9 is attached so that it can be removed from the cover 10. In this apparatus 1, the size of the arrangement space (arrangement area) in which hands and feet are arranged can be changed by attaching and detaching the mounting table 9. That is, in the apparatus 1 of the present embodiment, the placement space can be increased by removing the mounting table 9, and the mounting space can be reduced by attaching to the mounting table 9.

  The cover 10 includes an outer wall 14 that faces the outside, and a partition wall 15 that defines the light generation chamber 8 together with the outer wall 14. The cover 10 defines the placement chamber 3 together with the mounting table 9.

  In the outer wall 14, the insertion port 2 is formed on the wall surface on the front side.

  The partition wall 15 includes a pair of side walls 16, 16 that are opposed to each other at an interval in the width direction, an upper wall 17 that connects the upper ends of the pair of side walls 16, 16, and a pair of the side walls 16, 16 and the upper wall 17. And a rear wall 18 for connecting the end portions on the rear side.

  Each of the pair of side walls 16, 16 has a reflection surface on the surface in order to reflect light hitting the surface to the fingertip. Specifically, each of the pair of side walls 16, 16 includes a reflecting member on the surface. An opening through which the pulsed light emitted from the light emitting unit 5 passes is formed in the upper wall 17.

  For this reason, the arrangement chamber 3 is defined by the cover 10 (the wall surface on the front side of the outer wall 14), the partition wall 15, and the mounting table 9. And the insertion port 2 is provided in the wall surface of the front side of the outer wall 14 of the cover 10. In addition to the insertion of a fingertip as an object to be irradiated, the mounting table 9 is put in and out of the insertion slot 2. Since the mounting table 9 is larger than the hand, the insertion slot 2 is formed in a size that allows the mounting table 9 to pass therethrough. A gap is formed between the inner peripheral surface that defines the insertion slot 2 and the hand.

  The light generation chamber 8 is provided above and behind the arrangement chamber 3 in the arrangement chamber forming member 4. The light generation chamber 8 has a space facing the upper wall 17 of the arrangement chamber 3 in the light generation chamber 8 so that pulse light can be irradiated into the arrangement chamber 3 from the opening of the upper wall 17 above the arrangement chamber 3. The light emitting unit 5 is arranged in the space above the arrangement chamber 3. In addition, the control unit 6 is disposed in a space facing the rear wall 18 of the arrangement chamber 3 in the light generation chamber 8 (a space behind the arrangement chamber 3).

  The light emitting unit 5 includes a flash lamp 19, a reflector 20, a wavelength limiting filter 21, and a protective glass 22.

  Since the flash lamp 19 emits light in a wide wavelength range from the ultraviolet region to the infrared region, a plurality of types of photo-curing resins (for example, a photo-curing resin for a UV lamp, a photo-curing resin for a UV LED, etc.) are cured. be able to. Specifically, the wavelength range of light emitted from the flash lamp 19 includes each wavelength at which each photo-curing resin (for example, photo-curing resin for UV lamp, photo-curing resin for UVLED, etc.) is cured. Yes.

  The flash lamp 19 is a so-called linear light source extending in one direction. A pair of flash lamps 19 are arranged in the light generation chamber 8 so that the longitudinal direction thereof coincides with the front-rear direction of the apparatus 1. The flash lamp 19 of this embodiment is a xenon discharge tube (flash discharge tube). The flash lamp 19 emits UV-A and UV-B as light in the ultraviolet region. Here, UV-A is an ultraviolet ray having a wavelength range of 320 nm (or 315 nm) to 400 nm, and UV-B is an ultraviolet ray having a wavelength range of 280 nm to 320 nm (or 315 nm).

  The reflector 20 reflects the light emitted from the flash lamp 19 toward the fingertip in the arrangement chamber 3. Specifically, the reflector 20 extends in the longitudinal direction (front-rear direction) along the flash lamp 19, and the cross-sectional shape orthogonal to the longitudinal direction at each position in the longitudinal direction is centered on the optical axis. It has a form that becomes a parabolic shape as a line.

  The wavelength limiting filter 21 is disposed so as to close the opening of the reflector 20. The wavelength limiting filter 21 filters light incident on the wavelength limiting filter 21 (light emitted from the flash lamp 19), and selectively emits light in the UV-A and visible light regions. That is, the wavelength limiting filter 21 blocks light in the infrared region that does not contribute to the curing of the photocurable resin and UV-B that has a great influence on the human body, and contributes to the curing of the photocurable resin. UV-A that transmits light in the visible light region that has little influence on the human body.

  The protective glass 22 transmits light, but prevents an object to be irradiated inserted into the arrangement chamber 3, dust or dust in the arrangement chamber 3 from entering the light emitting unit 5.

  The control unit 6 controls light irradiation by the light emitting unit 5 based on an input from the operation unit 7. The control unit 6 of the present embodiment, for example, the total irradiation energy of the light in the wavelength region in the light from the light emitting unit 5, the number of light emission per second, the irradiation energy of the light in the wavelength region per light emission, and the irradiation Control time etc.

  The operation unit 7 performs input and display to the control unit 6. The operation unit 7 includes various switches and display lamps.

  In the apparatus 1 described above, the fingertip of the hand in a state where a photo-curing resin such as gel nail is applied to each nail is inserted from the insertion port 2 of the arrangement chamber forming member 4. At this time, when the photocurable resin applied to the nail of the hand is cured, the fingertip of the hand is inserted into the placement chamber 3 from the insertion port 2 of the placement chamber 3 with the mounting table 9 attached to the placement chamber forming member 4. Then, it is mounted on the mounting surface 13 of the mounting table 9.

  Then, the light emitting unit 5 is caused to emit light by operating a switch or the like of the operation unit 7. Specifically, in the apparatus 1, the flash lamp 19 emits light, and the reflector 20 emits pulsed light toward the fingertip nails arranged in the arrangement chamber 3. Since this pulsed light is light that has passed through the wavelength limiting filter 21, it does not contain light in the infrared region and UV-B, and contributes to curing of the photo-curing resin. Light.

  Next, the result of noise measurement measured for each sample under different conditions will be described with reference to FIG. Seven types of samples were measured. The first sample is a polycarbonate resin (PC board) painted black and does not have gloss. The 2nd sample is a thing before painting the 1st sample, and is white. The third sample is formed of a reflective sheet material (Metal Me (registered trademark) 75TS) and has high gloss. The fourth sample is black polycarbonate resin (PC). The fourth sample has a gloss finish and is glossy. The fifth sample is an aluminum tape and has a gloss. The sixth sample is black ABS resin (thickness 3 mm). The sixth sample is mirror-finished at the time of molding and has a gloss. The seventh sample is ABS resin (thickness 3 mm) painted in black and has no gloss.

  Table 1 shows the specular gloss of each sample. The specular gloss was measured using a gloss meter (Gloss Checker IG-331 manufactured by Horiba, Ltd.). The specular gloss was measured based on JIS Z8741 “Specular Gloss—Measurement Method”. The incident angle is 60 ° for general measurement. However, for the third and fifth samples having a specular gloss measurement result higher than 100, the incident angle was measured even at 20 ° for high gloss, but the specular gloss measurement result (OVER) did not change.

  As can be seen from the specular gloss of each sample shown in Table 1, the specular gloss is 80% or more for the second to sixth samples, and the specular gloss is 80% or less for the first and seventh samples. Met.

  The total light reflectance of each sample is shown in FIG. The total light reflectance was measured using a spectrophotometer (U-4000 manufactured by Hitachi High-Technologies Corporation). In addition, the reflectance of each sample is a code | symbol a (1st sample), b (2nd sample), c (3rd sample), d (4th sample), e (5th sample) sequentially from the 1st sample. , F (sixth sample), g (seventh sample).

  Table 2 shows the total light reflectance of each sample at wavelengths of 315 nm to 750 nm.

  As can be seen from the reflectivity of each sample shown in Table 2, the reflectivity of the first, fourth, sixth and seventh samples is as low as 10% or less. The second, third, and fifth samples have a reflectance of 10% or more, and there is a high possibility that light leaks to such an extent that the user feels dazzling.

  Table 3 shows the noise measurement results of each sample under the above conditions. The apparatus used for noise measurement includes a light emitting unit 5 in which a single xenon discharge tube is arranged in a reflector, and a wavelength limiting filter 21 in which transmitted light has a wavelength of about 315 nm to 750 nm. The light emitting unit 5 emits pulsed light from directly above each sample. Regarding the light emission conditions of the light emitting section 5, the light emission frequency was set to 50 Hz, and the flash time was set to 110 μs. The light emitting section 5 was irradiated for 5 seconds, then rested for 2 seconds (cooling), and repeated 8 sets (56 seconds). Then, 10 seconds from the start of irradiation within 15 seconds to the time after 25 seconds were measured, and the maximum value was recorded. The measuring instrument used for noise measurement is RION SA-29. In order not to be affected by noise from outside, the device was installed in a sound-insulated dark box and measured. In addition, the distribution of the spectral energy of the light irradiated to each sample is indicated by symbol h in FIG. This light is light transmitted through the color limiting glass 21 and the protective glass 22 and was measured with an MCPD 3000 manufactured by Otsuka Electronics.

  As can be seen from the noise measurement results of each sample shown in Table 3, even if the same material and shape are used and the reflectivity is the same, the sample with high specular gloss is more noisy than the sample with low specular gloss. The value tends to decrease.

  For example, when comparing the first sample and the second sample in which the same polycarbonate resin plate is painted black, the noise value of the first sample having a low specular gloss is 78 from the results of Tables 2 and 3. Whereas it was .3 dB, the noise value of the second sample with high specular gloss was 71.4 dB, 6.9 dB lower than the noise value of the second sample. In terms of human sensation, the sound (noise) generated from the first sample was lower and quieter than the sound (noise) generated from the second sample.

  Further, comparing the sixth sample and the seventh sample of the same black ABS resin, the noise value of the seventh sample having a low specular gloss was 81.3 dB from the results of Tables 2 and 3. On the other hand, the noise value of the sixth sample having a high specular gloss is 75.1 dB, which is 6.2 dB lower than the noise value of the seventh sample. In terms of human sensation, the sound (noise) generated from the sixth sample was lower and quieter than the sound (noise) generated from the seventh sample.

  In this way, when the light emitting unit 5 emits pulsed light to the placement chamber 3 and the pulsed light hits the placement surface 13, the placement surface 13 has a black color. Absorbs light. Therefore, the brightness of the pulsed light reflected from the placement surface 13 and leaking from the insertion port 2 is reduced. Therefore, the glare given to the user is reduced.

  However, when pulsed light is applied to the mounting surface 13 of a black color, if the mounting surface 13 is a rough surface, noise is generated. Since the light emitting unit 5 emits pulsed light, the light intermittently strikes the placement surface 13. When the light strikes the placement surface 13, the placement surface 13 has a black color, so that the pulsed light is absorbed by the placement surface 13 and the temperature of the placement surface 13 rises. And the temperature of the air which faced the mounting surface 13 rises, and this air expand | swells. On the other hand, when the light does not strike the mounting surface 13, the temperature of the mounting surface 13 whose temperature has increased decreases. And the air which faced the mounting surface 13 cools, the temperature of this air falls, and this air contracts. As described above, the air repeats expansion and contraction in the light emission period of the pulsed light, so that vibration is generated in the air, and an acoustic wave due to the photoacoustic effect is generated. If the vibration of air reaches the human audible range, this acoustic wave becomes noise.

  The inventor considered that the noise is generated due to the above-described cause. By setting the mounting surface 13 as in the present embodiment, the noise is reduced through the following process, and the measurement result is as follows. As can be seen, the noise was confirmed to be reduced.

  When the light strikes the placement surface 13, the placement surface 13 is glossy, and the (microscopic) shape of the surface of the placement surface 13 having gloss is a smooth surface with few irregularities. Compared with the case where the mounting surface 13 is matte (rough surface having irregularities on the surface of the mounting surface 13), the surface area of the mounting surface 13 having gloss is small. That is, since the surface area when the mounting surface 13 is a smooth surface is smaller than the surface area when the mounting surface 13 is a rough surface, if the mounting surface 13 is a smooth surface, The amount of light absorbed is reduced. For this reason, the temperature of the mounting surface 13 is unlikely to rise. And it becomes difficult for the temperature of the air which faced the mounting surface 13 to rise, and this air becomes difficult to expand | swell.

  Further, the air at each point on the placement surface 13 repeats expansion and contraction, and the air regions at each point overlap each other and interfere with each other. If the mounting surface 13 is a rough surface, the surface has irregularities, and the influence of each air region from the pulsed light varies at each point on the surface, and the expansion of the air region at each point occurs. The contraction degree changes, and the variation in the overlapping state of the air regions increases. If the mounting surface 13 is a smooth surface, the surface is flat, and the air region at each point is uniformly aligned on the mounting surface 13, and the air region overlap varies. Hard to occur. Therefore, if the mounting surface 13 is a smooth surface, harmony is maintained with the expansion and contraction of the air region at each point, and the difference between the expansion and contraction of the air repeated by the pulsed light is reduced. Therefore, the vibration of the air is reduced, and the vibration of the air does not easily reach the human audible range and is less likely to generate noise. Therefore, the user is less susceptible to glare and noise, and is less likely to miss discomfort.

  Further, the mounting surface 13 is formed of a polycarbonate resin or a black ABS resin coated with a black paint. Furthermore, the mounting surface 13 is a surface having a total light reflectance of 10% or less with respect to pulsed light having a wavelength of 315 nm or more and 715 nm or less, and a mirror glossiness of 80% or more. For this reason, since the mounting surface 13 is a (microscopically) smooth surface, even if the mounting surface 13 is a surface having a black color, the surroundings of the mounting surface 13 where the pulsed light hits are placed. We think that air is hard to vibrate and is hard to make noise. Therefore, the user is less susceptible to glare and noise, and is less likely to miss discomfort.

  The resin curing device of the present invention is not limited to the above-described embodiment, and it is needless to say that various changes can be made without departing from the gist of the present invention.

  In the resin curing device 1 of the above-described embodiment, the arrangement chamber 3 irradiates the fingertip of a human hand as an irradiation target, but is not limited to this configuration. The placement chamber may irradiate the fingertip of a human foot with pulsed light. Further, the arrangement room may irradiate pulsed light to the hands and toes of animals other than humans. That is, the irradiated object may be a human or an animal.

  Further, the specific number of flash lamps 19 included in the light emitting unit 5 is not limited. The resin curing device 1 according to the embodiment includes the pair of flash lamps 19 and 19, but may include one or more flash lamps 19.

  In the resin curing device 1 of the above embodiment, the mounting table 9 having the mounting chamber forming member 4 having the mounting surface 13 is configured to be detachable from the cover 10, but is not limited to this configuration. The mounting table may be a bottom fixed to the cover 10, that is, the arrangement chamber forming member may be a casing.

  In the resin curing device 1 of the above embodiment, only the mounting surface 13 of the base 11 of the mounting table 9 has a black color and gloss, but is not limited to this configuration. For example, the wall 12 of the mounting table 9, the side wall 16, the upper wall 17, or the rear wall 18 of the partition wall 15 may have a black color and may have gloss.

  The resin curing device of the present invention includes an insertion port for inserting an object to be irradiated, an arrangement chamber forming member in which an arrangement chamber for arranging the object to be irradiated inserted from the insertion port is formed, and pulse light in the arrangement chamber The arrangement chamber forming member includes a mounting table on which the irradiated object is mounted, the mounting table having a glossy mounting surface, and having a black color. By providing the mounting surface, it can be applied to an application of irradiating the object to be irradiated with light so as not to make the user uncomfortable.

1 Resin curing device (device)
2 Insertion Port 3 Arrangement Chamber 4 Arrangement Chamber Forming Member 5 Light Emitting Unit 9 Mounting Table 13 Mounting Surface

Claims (2)

An insertion port for inserting an object to be irradiated, an arrangement chamber forming member that forms an arrangement chamber for arranging the object to be irradiated inserted from the insertion port, and a light emitting unit that emits pulsed light to the arrangement chamber. The arrangement chamber forming member includes a mounting table on which the object to be irradiated is mounted, and the mounting table is a surface having a total light reflectance of 10% or less with respect to pulsed light having a wavelength of 315 nm or more and 715 nm or less. A resin curing device comprising a mounting surface having a mirror glossiness of 80% or more . The resin curing apparatus according to claim 1, wherein the placement surface is formed of a polycarbonate resin coated with a black paint or a black ABS resin.

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