CN103801007A - Ultraviolet-light therapeutic apparatus and automatic light intensity adjustment method thereof - Google Patents
Ultraviolet-light therapeutic apparatus and automatic light intensity adjustment method thereof Download PDFInfo
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- CN103801007A CN103801007A CN201410081970.9A CN201410081970A CN103801007A CN 103801007 A CN103801007 A CN 103801007A CN 201410081970 A CN201410081970 A CN 201410081970A CN 103801007 A CN103801007 A CN 103801007A
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Abstract
The invention discloses an ultraviolet-light therapeutic apparatus and an automatic light intensity adjustment method. The ultraviolet-light therapeutic apparatus comprises a main machine and a plurality of ultraviolet-light therapeutic handles connected with the main machine. Ultraviolet-light light sources capable of emitting different ultraviolet-light rays are arranged in the ultraviolet-light therapeutic handles respectively. A control circuit used for controlling the light emitting time and light intensity of the ultraviolet-light light sources is arranged in the main machine, and radiating devices used for heat dissipation of the ultraviolet-light light sources are arranged in the ultraviolet-light therapeutic handles respectively. The ultraviolet-light therapeutic apparatus is provided with the bicolor ultraviolet-light light emitting diode (LED) light sources and is matched with an automatic calibration module, an infrared LED lamp and an infrared temperature measurement device, skins under irradiation treatment can be placed in the set optimum treatment temperature range, accuracy of light intensity and automation of the ultraviolet-light therapeutic apparatus are improved, possibility of scorching caused by over high skin temperature due to too large light intensity is avoided, and use safety of the ultraviolet-light therapeutic apparatus is greatly improved.
Description
Technical field
The present invention relates to medical instruments field, relate in particular to a kind of ultraviolet light therapeutic apparatus and light intensity Automatic adjustment method thereof.
Background technology
Medical field adopts the ways and meanses such as operation, medicine, armarium treatment more for the treatment of the intractable dermatosis such as vitiligo, psoriasis, Corii Bovis seu Bubali moss, neurodermatitis at present, adopt autologous healthy skin to transplant, operation transplantation is safe and effective without cicatrix after more, but is only applicable to less skin lesion; Medicine for external use treatment, cost is lower and convenient, but the not high pigment recovery extent of cure rate is poor; Current more popular method is photochemotherapy, comprises PUVA therapy and UVB therapy, utilizes the penetrance of ultraviolet light, and impact is positioned at the immune system of skin, is used for the treatment of the dermatosis that the immune system abnormalities such as vitiligo, psoriasis, Corii Bovis seu Bubali moss cause.In the outfit of equipment of employing UVB therapy, comprise the method for large area ultraviolet irradiation treatment, mainly to carry out irradiation treatment with the ultraviolet lamp tube in half body cabin or whole body cabin, cabin formula treatment is convenient for the therapy of vitiligo of larger area morbidity, but healthy skin also can be subject to ultraviolet irradiation in therapeutic process, there is impaired even carcinogenic risk, and traditional ultraviolet light therapeutic apparatus cannot reach accurately controls ultraviolet irradiation time and intensity, and safety is lower.
Simultaneously, now more popular is Modified PUVA method, wherein take excimer laser treatment, Excimer lamp as the equipment of light source is treated, xenon lamp filters the equipment such as ultraviolet treatment as main, excimer laser treatment equipment effect is better still with high costs, although it is slightly aobvious cheaply but still expensive that the equipment price that Excimer lamp is light source is compared excimer laser, and xenon lamp although but to filter the equipment cost of ultraviolet relatively cheap because the wide therapeutic effect of spectral purity low strap that mating plate filters out is after filtration not good, after treatment, easily cause skin darkening.
Summary of the invention
The technical problem to be solved in the present invention is, a kind of cost is low, volume is little and safe ultraviolet light therapeutic apparatus and corresponding ultraviolet light light intensity Automatic adjustment method are provided.
The present invention for the technical scheme that its technical problem of solution adopts is: a kind of ultraviolet light therapeutic apparatus, comprise main frame and the several ultraviolet light treatment handles that are connected with main frame, in each ultraviolet light treatment handle, be provided with the ultraviolet source that sends different ultraviolet lights, in described main frame, be provided with and control the fluorescent lifetime of ultraviolet source and the control circuit of light intensity, in described each ultraviolet light treatment handle, be also respectively arranged with the heat abstractor that is used to ultraviolet source heat radiation.
Further, on described each ultraviolet light treatment handle, be also provided with the infrared measurement of temperature module for detection of shone thing surface temperature.
Further, described several ultraviolet light treatment handle has two, be respectively the first ultraviolet light treatment handle and the second ultraviolet light treatment handle, in described the first ultraviolet light treatment handle, be provided with the first semiconductor light sources of the narrow spectrum of radiation UVA, the second semiconductor light sources that is provided with the narrow spectrum of radiation UVB in described the second ultraviolet light treatment handle, described the first semiconductor light sources and the second semiconductor light sources are ultraviolet LED lamp.
Further, in described the first ultraviolet light treatment handle, be that the heat abstractor of the first semiconductor light source heat-dissipating is water-filled radiator, in described the second ultraviolet light treatment handle, be the heat abstractor of the second semiconductor light source heat-dissipating is water-filled radiator or air-cooled radiator.
Further, described heat abstractor place is also provided with temperature sensor, and described temperature sensor is connected with control circuit.
Further, described heat abstractor is provided with temperature switch, and described temperature switch connects described control circuit and described ultraviolet source.
Further, on described the first ultraviolet light treatment handle and the second ultraviolet light treatment handle, be also provided with respectively the infrared LED lamp of infrared radiation, described infrared LED lamp is separately positioned on the surrounding of the first semiconductor light sources or the second semiconductor light sources or arranges with the first semiconductor light sources or the second semiconductor light sources left and right or parallel staggered with the first semiconductor light sources or the second semiconductor light sources.
Further, in the time that described infrared LED lamp is arranged on the surrounding of the first semiconductor light sources or the second semiconductor light sources, the light-emitting area of described infrared LED lamp and the first semiconductor light sources or the second semiconductor light sources is predetermined angular and forms " focusing " effect.
Further, on described the first ultraviolet light treatment handle and the second ultraviolet light treatment handle, be also respectively arranged with ultraviolet reflecting piece and the ultraviolet light transmission piece of plated film, described ultraviolet reflecting piece is fixed on the inwall of light-emitting window of the first ultraviolet light treatment handle and the second ultraviolet light treatment handle, and described ultraviolet light transmission piece is arranged on the dead ahead of the first ultraviolet light treatment handle and the second ultraviolet light treatment handle light-emitting window.
Further, be made up of material transparent and that ultraviolet light is ended the side of the light-emitting window of described the first ultraviolet light treatment handle and the second ultraviolet light treatment handle.
Further, described control circuit also includes one for calibrating the light intensity calibration module of described the first semiconductor light sources and the second semiconductor light sources output intensity.
Further, described ultraviolet light treatment handle inside is provided with positioned light source.
Further, described each ultraviolet light treatment handle front end is provided with medicine shower nozzle.
Based on above-mentioned ultraviolet light therapeutic apparatus, the present invention also provides a kind of light intensity Automatic adjustment method of ultraviolet light therapeutic apparatus, comprises the following steps:
A, measure the light intensity magnitude data of the current ultraviolet light of each ultraviolet light treatment handle by ultraviolet light transducer, and by described light intensity magnitude transfer of data to control circuit;
Control circuit in B, main frame obtains corresponding current light intensity regulating data by predefined light intensity dosage;
C, control circuit draw described light intensity magnitude data and the corresponding optical power density data of described calibration curve according to predefined calibration curve;
D, control circuit, according to described optical power density data and current light intensity regulating data, obtain target adjustment amount data, and adjust voluntarily the power supply output size of current of ultraviolet source or the irradiation time length of ultraviolet source according to target adjustment amount data; Described target adjustment amount data comprise the constant-current source output electric current of ultraviolet source and the irradiation time of ultraviolet source.
Further, after described step D, also comprise step:
E, ultraviolet light treatment handle is measured the actual temperature on shone thing surface in real time by infrared measurement of temperature module, and judges that whether described actual temperature is in predetermined treatment temperature range, when described actual temperature is during in predetermined treatment temperature range, and execution step A-D;
When described actual temperature is during higher than predetermined treatment temperature range, control circuit control constant-current source proportionally reduces output current size, and shone thing surface temperature is detected and feedback in real time;
When described actual temperature is during lower than predetermined treatment temperature range, the control circuit control constant-current source output current size that proportionally raises, and shone thing surface temperature is detected and feedback in real time.
Further, before described steps A, also comprise step:
A0, ultraviolet light treatment handle are measured the actual temperature on shone thing surface in real time by infrared measurement of temperature module, and judge that whether described actual temperature is in predetermined treatment temperature range, when described actual temperature is during lower than predetermined treatment temperature range, control circuit control drives the constant-current source of infrared LED lamp with maximum gear output current, and shone thing surface temperature is detected and feedback in real time;
A1, when actual temperature is during higher than predetermined treatment temperature range, control circuit control drives the constant-current source of infrared LED lamp to stop output current;
A2, when actual temperature is during in predetermined treatment temperature range, control circuit control drives the constant-current source of infrared LED lamp to stop output current, execution step A.
Further, in described step e when the step of described actual temperature during lower than predetermined treatment temperature range specifically comprises:
The constant-current source of control circuit control ultraviolet source and the constant-current source of the infrared LED lamp output current size that proportionally raises separately, and shone thing surface temperature is detected and feedback in real time; Judge that whether described actual temperature is in predetermined treatment temperature range, when the actual temperature on shone thing surface is during in described predetermined treatment temperature range, control circuit control drives the constant-current source of infrared LED lamp to stop output current; When described actual temperature is during higher than described predetermined treatment temperature range, control circuit control drives the constant-current source of infrared LED lamp and drives the constant-current source of ultraviolet source to stop output current.
A kind of ultraviolet light therapeutic apparatus provided by the invention and light intensity Automatic adjustment method thereof, owing to having adopted the wide light source of wavelength narrow-band and automatic control circuit, concrete advantage is:
1, the cost of ultraviolet light therapeutic apparatus, the ultraviolet light purity of radiation is high, has guaranteed therapeutic effect;
2, can, to accurately controlling to light dosage, reduce human cost, can prevent again artificial
Faulty operation causes the accident;
3, there is infrared heating treatment skin function, and light intensity adjusts automatically, make the table of shone thing
Surface temperature, in default temperature range, has better therapeutic effect;
4, set temperature sensor, prevents overtemperature danger, has promoted the safety of ultraviolet light therapeutic apparatus.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of ultraviolet light therapeutic apparatus provided by the invention;
Fig. 2 is the cutaway view of the first ultraviolet light treatment handle in ultraviolet light therapeutic apparatus provided by the invention;
Fig. 3 is the cutaway view of the second ultraviolet light treatment handle in ultraviolet light therapeutic apparatus provided by the invention;
Fig. 4 is the syndeton schematic diagram of main frame and each light source in ultraviolet light therapeutic apparatus provided by the invention;
Fig. 5 is the flow chart of the light intensity Automatic adjustment method of ultraviolet light therapeutic apparatus provided by the invention;
Fig. 6 is the flow chart of the first preferred embodiment in the light intensity Automatic adjustment method of ultraviolet light therapeutic apparatus provided by the invention;
Fig. 7 is the flow chart of the second preferred embodiment in the light intensity Automatic adjustment method of ultraviolet light therapeutic apparatus provided by the invention;
Fig. 8 is the flow chart of the 3rd preferred embodiment in the light intensity Automatic adjustment method of ultraviolet light therapeutic apparatus provided by the invention;
Fig. 9 is the flow chart of the 4th preferred embodiment in the light intensity Automatic adjustment method of ultraviolet light therapeutic apparatus provided by the invention.
The specific embodiment
Below in conjunction with accompanying drawing, embodiments of the present invention is further illustrated.
As shown in Figure 1, ultraviolet light therapeutic apparatus of the present invention comprises main frame 100 and several ultraviolet light treatment handle, the ultraviolet light treatment handle of the present embodiment is preferably but is not limited to two, specifically comprise the first ultraviolet light treatment handle 200, the second ultraviolet light treatment handle 300, wherein, the first ultraviolet light treatment handle 200 and the second ultraviolet light treatment handle 300 are connected to main frame 100 by data wire respectively.
In the first ultraviolet light treatment handle 200 of the present embodiment and the second ultraviolet light treatment handle 300, be respectively arranged with the ultraviolet source of radiation different wave length ultraviolet light, and the interior control circuit that arranges of main frame 100, for controlling fluorescent lifetime and the light intensity of ultraviolet source in two ultraviolet light treatment handles, and then realize the different wave length of radiation simultaneously ultraviolet light and treat dermopathic object.
Further, in order to prevent the excess Temperature of ultraviolet source, the present embodiment also arranges the heat abstractor of promising ultraviolet source heat radiation in each ultraviolet light treatment handle, heat abstractor comprises water-filled radiator and air-cooled radiator, heat abstractor place is also provided with temperature sensor, temperature sensor is connected with control circuit, if mounting temperature sensor on water-filled radiator,, when temperature sensor measures water-filled radiator excess Temperature, the rotating speed that can improve voluntarily water pump by control circuit is to strengthen radiating effect and rate of heat exchange; If set temperature sensor on air-cooled radiator, temperature sensor measures water-filled radiator excess Temperature, and the rotating speed that can improve voluntarily fan by control circuit is to strengthen radiating effect and rate of heat exchange.
Below the scheme of two ultraviolet light treatment handles is specifically described.
Light-emitting window with reference to figure 2, the first ultraviolet light treatment handles 200 is square, and be made up of the material to ultraviolet cutoff the side of light-emitting window, comprise plastics or metal, and side can be transparent, can be also opaque.The ultraviolet source arranging in it is ultraviolet semiconductor light sources, is designated as the first semiconductor light sources 210.More preferably, first semiconductor light sources 210 of the present embodiment is ultraviolet LED lamp, and for the ultraviolet light of the narrow spectrum of radiation UVA wave band, its radiation peak is 355nm-375nm, is preferably 365nm.The current electrode of the first semiconductor light sources 210 is arranged on the plinth 201 of copper material, and described plinth 201 is arranged on the water-cooling head 241 of water-filled radiator, and is also fixed with water-cooled lid 242 between plinth 201 and water-cooling head 241.Water-filled radiator also comprises the water pump and the condensation row (not shown) that are positioned at main frame, water pump, water-cooling head and condensation row are connected to form a circulation by water pipe, water pump pumps into water-cooling head by cold water from condensation row's outlet, and hot water flows out from water-cooling head water side 243 and enters condensation row cooling subsequently.Water-filled radiator place is also provided with temperature sensor, and when temperature sensor measures water-filled radiator excess Temperature, the rotating speed that can improve voluntarily water pump by CPU is to strengthen radiating effect and rate of heat exchange.Further, water-filled radiator place is provided with temperature switch 260, in the time that water-cooling head breaks down and temperature that rapid warm raising causes the first semiconductor light sources occurs exceedes fence coverage, temperature switch 260 disconnects being electrically connected between the first semiconductor light sources 210 and constant-current source, play the effect that prevents the first semiconductor light sources dry combustion method, guaranteed the safety of ultraviolet light therapeutic apparatus.
In described the first ultraviolet light treatment handle 200, be also provided with ultraviolet light transmission piece 202 and the ultraviolet reflecting piece 203 of plated film, described ultraviolet light transmission piece 202 is arranged on the dead ahead of the first ultraviolet light treatment handle 200 light-emitting windows, and described ultraviolet reflecting piece 203 is fixed on the inwall of the first ultraviolet light treatment handle 200 light-emitting windows.
Light-emitting window with reference to figure 3, the second ultraviolet light treatment handles 300 is square, and the side of light-emitting window is that the material of ultraviolet cutoff is made, and comprise plastics or metal, and side can be transparent, can be also opaque.The ultraviolet source arranging in it is ultraviolet semiconductor light sources, is designated as the second semiconductor light sources 310.More preferably, second semiconductor light sources 310 of the present embodiment is ultraviolet LED lamp, and for the ultraviolet light of the narrow spectrum of radiation UVB wave band, its radiation peak is 298nm-318nm, is preferably 308nm or 311nm.This second semiconductor light sources 310 is fixed on air-cooled radiator 320, this air-cooled radiator 320 is made up of copper product, the stationary plane of fixed second half conductor light source 310 has multiple perforates, for the circulation of air between the second ultraviolet light treatment handle inside and the second semiconductor light sources.Be similar to the temperature sensor in the first ultraviolet light treatment handle, air-cooled radiator 320 places in the second ultraviolet light treatment handle 300 are also provided with temperature sensor, during with convenient air-cooled radiator excess Temperature, improve voluntarily the rotating speed of fan by control circuit to strengthen radiating effect and rate of heat exchange.And in order further to guarantee the safety of ultraviolet light therapeutic apparatus, air-cooled radiator place in the second ultraviolet light treatment handle also arranges a temperature switch, when air-cooled radiator breaks down and rapid warm raising occurs, while causing the temperature of the second semiconductor light sources to exceed fence coverage, temperature switch disconnects being electrically connected between the second semiconductor light sources and constant-current source, has played the effect that prevents the second semiconductor light sources dry combustion method.
Air-cooled radiator in the second ultraviolet light treatment handle 300 can replace with water-filled radiator, if adopt water-filled radiator heat radiation in the second ultraviolet light treatment handle, the present invention can adopt two water-filled radiators to be respectively the heat radiation of two ultraviolet light treatment handles, a water-filled radiator can certainly be set be simultaneously the heat radiation of two ultraviolet lights treatment handles, to reach reasonable utilization, cost-saving object.
Identical with the design of the first ultraviolet light treatment handle, in described the second ultraviolet light treatment handle, be also provided with ultraviolet light transmission piece and the ultraviolet reflecting piece of plated film, ultraviolet light transmission piece is arranged on the dead ahead of the second ultraviolet light treatment handle light-emitting window, and ultraviolet reflecting piece is fixed on the inwall of the second ultraviolet light treatment handle light-emitting window.
For the surface temperature of shone thing is stablized so that each ultraviolet light therapeutic apparatus reaches optimum therapeuticing effect, on the first ultraviolet light treatment handle 200 and the second ultraviolet light treatment handle 300, be also provided with respectively the infrared LED lamp of infrared radiation, described infrared LED lamp is arranged on the surrounding of the first semiconductor light sources or the second semiconductor light sources or arranges with the first semiconductor light sources or the second semiconductor light sources left and right or parallel staggered with the first semiconductor light sources or the second semiconductor light sources.In the time that described infrared LED lamp is arranged on the surrounding of the first semiconductor light sources or the second semiconductor light sources, the light-emitting area of described infrared LED lamp and the first semiconductor light sources or the second semiconductor light sources is predetermined angular and forms " focusing " effect.
In order to guarantee accurately to irradiate and be treated skin while using ultraviolet light treatment handle, the present invention also can arrange multiple positioned light sources in each ultraviolet light treatment handle, this positioned light source is visible ray radiant, such as HONGGUANG positioned light source, or other visible light sources such as orange, yellow, green, blue.The radiating surface of ultraviolet source is positioned at the face that the point of irradiation of described positioned light source surrounds.Particularly, multiple positioned light sources can be distributed in the first semiconductor light sources or the second semiconductor light sources around, the area that its hot spot surrounds equals or approaches the swept area of the first semiconductor light sources or the second semiconductor light sources, realizes big or small location and the mark of the swept area to invisible ultraviolet light.
Again with reference to figure 1, main frame 100 of the present invention is body structure, the upper middle position of casing has handle 101, the upper right of casing has two grooves 102, the hatch frame of described groove 102 is corresponding with the structure of ultraviolet light treatment handle end, ultraviolet light treatment handle can insert in tank recess 102, to carry out light intensity calibration, can also prevent that ultraviolet light from leaking simultaneously.There are two circular hole hanging props 103 on the right side of casing, and each ultraviolet light treatment handle is hung in described hanging prop 103.Therefore,, in the time not using, ultraviolet light treatment handle can be realized the placement of various ways.More preferably, main frame also connects a foot switch, is convenient to user switch main frame easily in the time of hand-held ultraviolet light treatment handle.Bar palisade louvre is arranged at the sidepiece of main frame 100 and bottom, and the louvre place of main frame inside left is provided with fan.The tank surface of main frame is provided with a display screen, and more preferably, described display screen is touch screen.
With reference to figure 4, in main frame, be also provided with constant-current source 120, drive circuit 130 and timer 140, constant-current source 120 is mainly therapeutic instrument power supply, certainly power supply is not limited to constant-current source, can also be constant pressure source, crossing current chip etc., because drive circuit has comprised above-mentioned power supply source, therefore unification of the present invention is powered by drive circuit 130.Meanwhile, timer 140 of the present invention can arrange separately, also can be carried by CPU.Control circuit 110 connects drive circuit 130, timer 140, constant-current source 120 in drive circuit 130 connects the first semiconductor light sources 210, the second semiconductor light sources 310, control circuit 110 in main frame comprises light intensity calibration module 150, be used for calibrating each semiconductor light sources output intensity, realize the constant of light source output intensity.Light intensity calibration module 150 also comprises a ultraviolet light transducer 220, the light intensity of the ultraviolet light sending for detection of each ultraviolet light treatment handle medium ultraviolet radiant, and it is specifically arranged on main frame top and places in the groove 102 of each ultraviolet light treatment handle.Before treatment, first each ultraviolet light treatment handle is placed in groove, detect by ultraviolet light transducer the ultraviolet light light intensity that ultraviolet source sends, and by detect transfer of data to light intensity calibration module, the constant-current source output current size that is regulated each ultraviolet source by light intensity calibration module, the ultraviolet light light intensity that ultraviolet source is sent is calibrated.
Further, one or more light intensity calibration modules can be set in main frame, be used for calibrating described the first semiconductor light sources and the second semiconductor light sources output intensity, realize the constant of light source output intensity, when a light intensity calibration module, it calibrates the output intensity of two semiconductor light sources simultaneously, if multiple, calibrates respectively the output intensity of each semiconductor light sources.Light intensity calibration module is to realize the input that light intensity calibration function needs external data, such as when the first semiconductor light sources generation light decay, the data that light intensity calibration module can obtain according to ultraviolet light transducer increase voluntarily the size of current of constant-current source output or increase the time of timer, the time of lighting to extend the first semiconductor light sources, while guaranteeing to treat, the light intensity magnitude of light source output is identical with setting value with dosage.
The first ultraviolet light treatment handle and the second ultraviolet light treatment handle also mate and are provided with infrared measurement of temperature module, and infrared measurement of temperature module is positioned on each ultraviolet light treatment handle, is specifically positioned at the surrounding of ultraviolet source, for detection of shone thing surface temperature.Referring to Fig. 4, infrared measurement of temperature module 230 is connected to the light intensity calibration module 150 in control circuit 110.The temperature data recording is transferred to light intensity calibration module 150 by infrared measurement of temperature module 230, light intensity calibration module 150 regulates the constant-current source output current size of each ultraviolet source or the irradiation time of ultraviolet light according to the temperature data obtaining, the intensity that has guaranteed irradiation under ultraviolet ray reaches preset value in preset range and irradiation dose, guarantees the safety of optimum curative effect and treatment.Preferably, the axial direction of the test surface axial direction of infrared measurement of temperature module 230 and the first semiconductor light sources and the second semiconductor light sources is angled to form " focusing " effect.
Further, because the control that the present invention includes multiple light sources and each light source is not quite similar, therefore, the constant-current source of driving light source includes multiple, the corresponding constant-current source of each light source, specifically comprise the constant-current source that drives ultraviolet source, the constant-current source of infrared LED lamp, constant-current source of positioned light source etc., and drive the constant-current source of different ultraviolet sources in each treatment handle also not identical, for the present invention, drive the constant-current source of the first semiconductor light sources and the second semiconductor light sources different, the present invention is the light emitting control that each light source arranges separately constant-current source and can be convenient to each light source.
The front end of each ultraviolet light treatment handle is also provided with medicine shower nozzle, and this medicine shower nozzle is used for the medicine that sprays photosensitizing agents or can obtain better combined therapy effect in conjunction with irradiation under ultraviolet ray.
In addition to the implementation, the present invention can also be the ultraviolet light therapeutic apparatus of the common composition of ultraviolet light treatment handle of main frame and radiation 365nm ultraviolet light, radiation peak is that the ultraviolet source of 365nm can be used for doing fluoroscopic examination, aspect Clinical detection, there is actual meaning, or for pure PUVA treatment.Or the present invention can also be the ultraviolet light therapeutic apparatus of the common composition of ultraviolet light treatment handle of main frame and radiation 308nm ultraviolet light, such ultraviolet light therapeutic apparatus has utilized efficient, the safety of 308 nm ultraviolet lights and alternative to act on the features such as pathological changes skin lesion, becomes the optimum selection of vitiligo phototherapy.
Based on above-mentioned ultraviolet light therapeutic apparatus, the present invention also provides a kind of light intensity Automatic adjustment method, as shown in Figure 5, comprises the following steps:
A, measure the light intensity magnitude data of the current ultraviolet light of each ultraviolet light treatment handle by ultraviolet light transducer, and by described light intensity magnitude transfer of data to control circuit;
Control circuit in B, main frame obtains corresponding current light intensity regulating data by predefined light intensity dosage;
C, control circuit draw described light intensity magnitude data and the corresponding optical power density data of described calibration curve according to predefined calibration curve;
D, control circuit, according to described optical power density data and current light intensity regulating data, obtain target adjustment amount data, and adjust voluntarily the power supply output size of current of ultraviolet source or the irradiation time length of ultraviolet source according to target adjustment amount data; Described target adjustment amount data comprise the power supply output electric current of ultraviolet source and the irradiation time of ultraviolet source.
Particularly, in step B, predefined light intensity dosage is that the ultraviolet light therapeutic dose that should accept according to illuminated person is set, and after input intensity of illumination and light application time, the light intensity calibration module in control circuit obtains light intensity dose value.In step C, predefined calibration curve is the functional relationship of light intensity magnitude and optical power density, calibration curve can be set to fixed function by light intensity calibration module, also can be according to the difference of ultraviolet source but the function of actual measurement establishment, actual measurement establishment function can obtain the calibration curve corresponding to ultraviolet light treatment handle while making the main frame of ultraviolet light therapeutic apparatus connect dissimilar ultraviolet light treatment handle.
With reference to figure 6, in the present embodiment, step S100 is the process of actual measurement establishment calibration curve function, light intensity calibration module changes the light intensity magnitude of ultraviolet source, uses the optical power density under optical power density instrumentation amount different light intensity size, and measured value is worked out to calibration curve as standard value.Subsequently in step S200, in the memory element of light intensity calibration module, set the functional relationship to light dosage and light intensity regulating data, when user uses ultraviolet light therapeutic apparatus, input after illumination dose or light application time, intensity of illumination, light intensity calibration module can obtain user the corresponding light intensity regulating data of dosage are set.In step S300, the ultraviolet light transducer that is positioned at main frame groove is surveyed ultraviolet source luminous intensity size, will after this value digitized, store memory element into.In step S400, light intensity calibration module draws the optical power density that this light intensity value is corresponding using the light intensity value of storage in a parameter substitution calibration curve.In step S500, light intensity calibration module, according to described optical power density data and adjusting data, obtains target adjustment amount data, and light intensity calibration module is adjusted constant-current source output current size or ultraviolet source irradiation time length voluntarily according to target adjustment amount data.
Further, in order to ensure the effectiveness of safety and the treatment of ultraviolet light therapeutic apparatus, before treatment, need shone thing surface temperature to detect in real time, therefore, as shown in Figure 7, before execution step A, also comprise step:
A0, ultraviolet light treatment handle are measured the actual temperature on shone thing surface in real time by infrared measurement of temperature module, and judge that whether described actual temperature is in predetermined treatment temperature range, when described actual temperature is during lower than predetermined treatment temperature range, control circuit control drives the constant-current source of infrared LED lamp with maximum gear output current, and shone thing surface temperature is detected and feedback in real time; Actual temperature is lower than predetermined treatment temperature range, prove that shone thing is that patient skin surface temperature is lower, be unfavorable for treatment, therefore by regulating constant-current source with maximum gear output current, make infrared LED lamp within the shortest time, send stronger infrared light, irradiate patient skin, the surface temperature of patient skin is risen in predetermined treatment temperature range.
A1, when actual temperature is during higher than predetermined treatment temperature range, control circuit control drives the constant-current source of infrared LED lamp to stop output current; The actual temperature on shone thing surface, higher than predetermined treatment temperature range, proves that shone thing is patient skin surface excess Temperature, has been unfavorable for treatment, therefore, need stop the irradiation of infrared LED lamp, and patient skin surface temperature is reduced naturally.Avoid excess Temperature to cause damage to patient skin.
A2, when actual temperature is during in predetermined treatment temperature range, control circuit control drives the constant-current source of infrared LED lamp to stop output current, execution step A.
Further, in order to strengthen the safety of ultra-violet therapy apparatus, in therapeutic process, also need in real time shone thing surface temperature to be detected in real time, therefore, referring to Fig. 8, after above-mentioned light intensity Automatic adjustment method, further comprising the steps of:
E, ultraviolet light treatment handle is measured the actual temperature on shone thing surface in real time by infrared measurement of temperature module, and judges that whether actual temperature is in predetermined temperature range, when described actual temperature is during in predetermined treatment temperature range, and execution step A-D;
When described actual temperature is during higher than predetermined treatment temperature range, control circuit control constant-current source proportionally reduces output current size, and shone thing surface temperature is detected and feedback in real time;
When described actual temperature is during lower than predetermined treatment temperature range, the control circuit control constant-current source output current size that proportionally raises, and shone thing surface temperature is detected and feedback in real time.In this process, by the constant-current source of the control circuit control infrared LED lamp output current size that proportionally raises, and shone thing surface temperature is detected and feedback in real time; Until the actual temperature on shone thing surface is in described predetermined treatment temperature range, control circuit control drives the constant-current source of infrared LED lamp to stop output current; And when actual temperature is during higher than described predetermined treatment temperature range, control circuit control drives the constant-current source of ultraviolet source and controls and drives the constant-current source of infrared LED lamp to stop respectively output current, and produce sound or sound and light alarm, to point out user or doctor, skin surface temperature is too high.
Further, with reference to figure 9, in the present embodiment, first step S600 obtains the surface temperature of shone thing by infrared measurement of temperature module.The size of later step S700 light intensity calibration module comparison surface temperature and safe temperature, such as 41 degrees Celsius, the size of comparison surface temperature and onset threshold value, such as 38 degrees Celsius.Wherein, the surface temperature of shone thing is described actual temperature, and described predetermined treatment temperature range is the temperature range between onset threshold value and safe temperature.Final step S800 light intensity calibration module is carried out corresponding adjustment process according to the comparative result of step S700, if surface temperature is greater than safe temperature, reduces output current according to the difference of surface temperature and safe temperature according to default adjusting ratio; If surface temperature is less than safe temperature and is greater than onset threshold value, carry out the step S100-S500 of above-mentioned light intensity Automatic adjustment method; If surface temperature is less than onset threshold value, increase output current according to the difference of onset threshold value and surface temperature according to default adjusting ratio.
In step S600, be positioned at infrared measurement of temperature module on ultraviolet light treatment handle according to the global radiation of all wavelengths scope and constant temperature, what obtain is the radiation temperature of object.In the present embodiment, infrared measurement of temperature module is infrared temperature sensor.
In step S700, the difference of the difference of light intensity calibration module gauging surface temperature and safe temperature, surface temperature and onset threshold value.
In step S800, supply current is preferably high-power constant current out-put supply, and light intensity calibration module regulates the size of constant-current source output current by pulse modulation technology.
The ultraviolet light therapeutic equipment of the present embodiment and light intensity Automatic adjustment method, have following beneficial effect:
1. adopt double-colored ultraviolet LED light source, and coordinate automatic calibration module, infrared LED lamp and infrared temperature measurement apparatus, make illuminated treatment skin can in set optimal treatment temperature range in, strengthen the precision of light supply, promote automatization's performance of ultraviolet therapeutic equipment, avoid the excessive probability that causes the too high generation of skin temperature to be burnt of light intensity, greatly improved the safety that equipment uses.
2. the temperature that is positioned at the temperature sensor monitors ultraviolet light treatment handle on heat abstractor, in the time that temperature exceedes predetermined temperature, temperature switch disconnects, and device shutdown, has further guaranteed the safety of ultraviolet light therapeutic equipment.
3. positioned light source has been realized big or small location and the mark of the irradiated area to black light.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (17)
1. a ultraviolet light therapeutic apparatus, it is characterized in that, comprise main frame and the several ultraviolet light treatment handles that are connected with main frame, in each ultraviolet light treatment handle, be provided with the ultraviolet source that sends different ultraviolet lights, in described main frame, be provided with and control the fluorescent lifetime of ultraviolet source and the control circuit of light intensity, in described each ultraviolet light treatment handle, be also respectively arranged with the heat abstractor that is used to ultraviolet source heat radiation.
2. ultraviolet light therapeutic apparatus according to claim 1, is characterized in that, on described each ultraviolet light treatment handle, is also provided with the infrared measurement of temperature module for detection of shone thing surface temperature.
3. ultraviolet light therapeutic apparatus according to claim 1 and 2, it is characterized in that, described several ultraviolet light treatment handle has two, be respectively the first ultraviolet light treatment handle and the second ultraviolet light treatment handle, in described the first ultraviolet light treatment handle, be provided with the first semiconductor light sources of the narrow spectrum of radiation UVA, the second semiconductor light sources that is provided with the narrow spectrum of radiation UVB in described the second ultraviolet light treatment handle, described the first semiconductor light sources and the second semiconductor light sources are ultraviolet LED lamp.
4. ultraviolet light therapeutic apparatus according to claim 3, it is characterized in that, the heat abstractor that in described the first ultraviolet light treatment handle is the first semiconductor light source heat-dissipating is water-filled radiator, is that the heat abstractor of the second semiconductor light source heat-dissipating is water-filled radiator or air-cooled radiator in described the second ultraviolet light treatment handle.
5. ultraviolet light therapeutic apparatus according to claim 1, is characterized in that, described heat abstractor place is also provided with temperature sensor, and described temperature sensor is connected with control circuit.
6. ultraviolet light therapeutic apparatus according to claim 1, is characterized in that, described heat abstractor is provided with temperature switch, and described temperature switch connects described control circuit and described ultraviolet source.
7. ultraviolet light therapeutic apparatus according to claim 3, it is characterized in that, on described the first ultraviolet light treatment handle and the second ultraviolet light treatment handle, be also provided with respectively the infrared LED lamp of infrared radiation, described infrared LED lamp is separately positioned on the surrounding of the first semiconductor light sources or the second semiconductor light sources or arranges with the first semiconductor light sources or the second semiconductor light sources left and right or parallel staggered with the first semiconductor light sources or the second semiconductor light sources.
8. ultraviolet light therapeutic apparatus according to claim 7, it is characterized in that, in the time that described infrared LED lamp is arranged on the surrounding of the first semiconductor light sources or the second semiconductor light sources, the light-emitting area of described infrared LED lamp and the first semiconductor light sources or the second semiconductor light sources is predetermined angular and forms " focusing " effect.
9. ultraviolet light therapeutic apparatus according to claim 3, it is characterized in that, on described the first ultraviolet light treatment handle and the second ultraviolet light treatment handle, be also respectively arranged with ultraviolet reflecting piece and the ultraviolet light transmission piece of plated film, described ultraviolet reflecting piece is fixed on the inwall of light-emitting window of the first ultraviolet light treatment handle and the second ultraviolet light treatment handle, and described ultraviolet light transmission piece is arranged on the dead ahead of the first ultraviolet light treatment handle and the second ultraviolet light treatment handle light-emitting window.
10. ultraviolet light therapeutic apparatus according to claim 8, is characterized in that, be made up of the material that ultraviolet light is ended the side of the light-emitting window of described the first ultraviolet light treatment handle and the second ultraviolet light treatment handle.
11. ultraviolet light therapeutic apparatus according to claim 3, is characterized in that, described control circuit also includes the light intensity calibration module for calibrating described the first semiconductor light sources and the second semiconductor light sources output intensity.
12. ultraviolet light therapeutic apparatus according to claim 1, is characterized in that, described ultraviolet light treatment handle inside is provided with positioned light source.
13. ultraviolet light therapeutic apparatus according to claim 1, is characterized in that, described each ultraviolet light treatment handle front end is provided with medicine shower nozzle.
The light intensity Automatic adjustment method of 14. 1 kinds of ultraviolet light therapeutic apparatus, is characterized in that, comprises step:
A, measure the light intensity magnitude data of the current ultraviolet light of each ultraviolet light treatment handle by ultraviolet light transducer, and by described light intensity magnitude transfer of data to control circuit;
Control circuit in B, main frame obtains corresponding current light intensity regulating data by predefined light intensity dosage;
C, control circuit draw described light intensity magnitude data and the corresponding optical power density data of described calibration curve according to predefined calibration curve;
D, control circuit, according to described optical power density data and current light intensity regulating data, obtain target adjustment amount data, and adjust voluntarily the power supply output size of current of ultraviolet source or the irradiation time length of ultraviolet source according to target adjustment amount data; Described target adjustment amount data comprise the constant-current source output electric current of ultraviolet source and the irradiation time of ultraviolet source.
The light intensity Automatic adjustment method of 15. a kind of ultraviolet light therapeutic apparatus as claimed in claim 14, is characterized in that, also comprises step after described step D:
E, ultraviolet light treatment handle is measured the actual temperature on shone thing surface in real time by infrared measurement of temperature module, and judges that whether described actual temperature is in predetermined treatment temperature range, when described actual temperature is during in predetermined treatment temperature range, and execution step A-D;
When described actual temperature is during higher than predetermined treatment temperature range, control circuit control constant-current source proportionally reduces output current size, and shone thing surface temperature is detected and feedback in real time;
When described actual temperature is during lower than predetermined treatment temperature range, the control circuit control constant-current source output current size that proportionally raises, and shone thing surface temperature is detected and feedback in real time.
The light intensity Automatic adjustment method of 16. a kind of ultraviolet light therapeutic apparatus as described in right 14, is characterized in that, also comprises step before described steps A:
A0, ultraviolet light treatment handle are measured the actual temperature on shone thing surface in real time by infrared measurement of temperature module, and judge that whether described actual temperature is in predetermined treatment temperature range, when described actual temperature is during lower than predetermined treatment temperature range, control circuit control drives the constant-current source of infrared LED lamp with maximum gear output current, and shone thing surface temperature is detected and feedback in real time;
A1, when actual temperature is during higher than predetermined treatment temperature range, control circuit control drives the constant-current source of infrared LED lamp to stop output current;
A2, when actual temperature is during in predetermined treatment temperature range, control circuit control drives the constant-current source of infrared LED lamp to stop output current, execution step A.
The light intensity Automatic adjustment method of 17. a kind of ultraviolet light therapeutic apparatus as described in right 15, is characterized in that, in described step e when the step of described actual temperature during lower than predetermined treatment temperature range specifically comprises:
The constant-current source of E1, control circuit control ultraviolet source and the constant-current source of the infrared LED lamp output current size that proportionally raises separately, and shone thing surface temperature is detected and feedback in real time; Judge that whether described actual temperature is in predetermined treatment temperature range, when the actual temperature on shone thing surface is during in described predetermined treatment temperature range, control circuit control drives the constant-current source of infrared LED lamp to stop output current; When described actual temperature is during higher than described predetermined treatment temperature range, control circuit control drives the constant-current source of infrared LED lamp and drives the constant-current source of ultraviolet source to stop output current.
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