CN104971441A - Ultraviolet therapeutic facility and automatic light intensity adjusting method - Google Patents
Ultraviolet therapeutic facility and automatic light intensity adjusting method Download PDFInfo
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- CN104971441A CN104971441A CN201410128279.1A CN201410128279A CN104971441A CN 104971441 A CN104971441 A CN 104971441A CN 201410128279 A CN201410128279 A CN 201410128279A CN 104971441 A CN104971441 A CN 104971441A
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Abstract
The invention discloses an ultraviolet therapeutic facility and an automatic light intensity adjusting method. The ultraviolet therapeutic facility comprises a host and a plurality of ultraviolet therapeutic handles connected with the host. The ultraviolet therapeutic handles are provided with ultraviolet light sources therein capable of emitting different ultraviolet light beams. A control circuit is disposed in the host and is used for controlling the light-emitting time and the light intensity of the ultraviolet light sources. Each ultraviolet therapeutic handle is also provided with a heat-dissipating device for dissipating the heat of the corresponding ultraviolet light source. The ultraviolet therapeutic facility uses double-color ultraviolet LED light sources and cooperates with an automatic calibration module, an infrared LED lamp, and an infrared temperature-measuring device so as to enable a skin subjected to radiation therapy to be located within a set optimum treatment temperature range. The automatic light intensity adjusting method improves light quantity precision, improves the automatic performance of the ultraviolet therapeutic facility, prevents overlarge light intensity from causing a burnable possibility caused by over-high skin temperature, and greatly improves the sue security of the ultraviolet therapeutic facility.
Description
Technical field
The present invention relates to medical instruments field, particularly relate to a kind of ultraviolet light therapeutic equipment and light intensity Automatic adjustment method thereof.
Background technology
Current medical field adopts the ways and meanses such as operation, medicine, armarium treatment for the treatment of the recalcitrant dermal diseases such as vitiligo, psoriasis, Corii Bovis seu Bubali moss, neurodermatitis more, autologous healthy skin is adopted to transplant, operation transplantation is rear safe and effective without cicatrix, but is only applicable to less skin lesion; Medicine for external use is treated, and 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.Adopt the method outfit of equipment of UVB therapy comprising large area ultraviolet irradiation treatment, mainly 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 over the course for the treatment of, there is impaired even carcinogenic risk, and traditional ultraviolet light therapeutic equipment cannot reach accurately control ultraviolet irradiation time and intensity, safety is lower.
Simultaneously, more popular is Modified PUVA method now, the equipment such as the equipment being wherein light source based on excimer laser treatment, Excimer lamp is treated, the treatment of xenon lamp filters ultra violet, but excimer laser treatment equipment effect is better with high costs, although it is slightly aobvious cheaply but still expensive that the equipment price that Excimer lamp is light source compares excimer laser, although and the equipment relative inexpensiveness of xenon lamp filters ultra violet but the wide therapeutic effect of spectral purity low strap filtered out due to mating plate is after filtration not good, easily cause skin darkening after treatment.
Summary of the invention
The technical problem to be solved in the present invention is, provides that a kind of cost is low, volume is little and the ultraviolet light therapeutic equipment that safety is high and corresponding ultraviolet light light intensity Automatic adjustment method.
The technical scheme that the present invention adopts for its technical problem of solution is: a kind of ultraviolet light therapeutic equipment, handle treated by the several ultraviolet lights comprising main frame and be connected with main frame, the ultraviolet source sending different ultraviolet light is provided with in each ultraviolet light treatment handle, being provided with in described main frame and controlling the fluorescent lifetime of ultraviolet source and the control circuit of light intensity, in described each ultraviolet light treatment handle, being also respectively arranged with the heat abstractor for dispelling the heat for ultraviolet source.
Further, described each ultraviolet light treatment handle is also provided with the infrared measurement of temperature module for detecting 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, first semiconductor light source of radiation narrow spectrum UVA is provided with in described first ultraviolet light treatment handle, be provided with second semiconductor light source of radiation narrow spectrum UVB in described second ultraviolet light treatment handle, described first semiconductor light source and the second semiconductor light source are ultraviolet LED lamp.
Further, being that the heat abstractor of the first semiconductor light source heat-dissipating is water-filled radiator in described first ultraviolet light treatment handle, is that the heat abstractor of the second semiconductor light source heat-dissipating is water-filled radiator or air-cooled radiator in described second ultraviolet light treatment handle.
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, described first ultraviolet light treatment handle and the second ultraviolet light treatment handle are also provided with the infrared LED lamp of infrared radiation respectively, described infrared LED lamp be separately positioned on the first semiconductor light source or the second semiconductor light source surrounding or with to arrange about the first semiconductor light source or the second semiconductor light source or parallel staggered with the first semiconductor light source or the second semiconductor light source.
Further, when described infrared LED lamp is arranged on the surrounding of the first semiconductor light source or the second semiconductor light source, the light-emitting area of described infrared LED lamp and the first semiconductor light source or the second semiconductor light source is that predetermined angular forms " focusing " effect.
Further, described first ultraviolet light treatment handle and the second ultraviolet light treat the ultraviolet reflecting piece and the ultraviolet light transmission piece that handle are also respectively arranged with plated film, described ultraviolet reflecting piece is fixed on the inwall of the 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, described first ultraviolet light treatment handle and the second ultraviolet light treatment handle light-emitting window side by transparent and to ultraviolet light end material make.
Further, described control circuit also includes one for calibrating the light intensity calibration module of described first semiconductor light source and the second semiconductor light source output intensity.
Further, described ultraviolet light treatment handle inner 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 equipment, present invention also offers a kind of light intensity Automatic adjustment method of ultraviolet light therapeutic equipment, comprise the following steps:
A, to be measured the light intensity magnitude data of the current ultraviolet light of each ultraviolet light treatment handle by ultraviolet light transducer, and described light intensity magnitude data are transferred to control circuit;
Control circuit in B, main frame obtains corresponding current light intensity by the light intensity dosage preset and regulates data;
C, control circuit draw the optical power density data corresponding to described light intensity magnitude data and described calibration curve according to the calibration curve preset;
D, control circuit regulate data according to described optical power density data and current light intensity, obtain target adjustment amount data, and export the size of current of ultraviolet source or the irradiation time length of ultraviolet source according to target adjustment amount data from Row sum-equal matrix power supply; Described target adjustment amount data comprise constant-current source and export the electric current of ultraviolet source and the irradiation time of ultraviolet source.
Further, also step is comprised after described step D:
The actual temperature on shone thing surface measured in real time by E, ultraviolet light treatment handle by infrared measurement of temperature module, and judges whether described actual temperature is in predetermined treatment temperature range, when described actual temperature is in predetermined treatment temperature range, performs steps A-D;
When described actual temperature is higher than predetermined treatment temperature range, control circuit controls constant-current source and proportionally reduces output current size, and detects in real time shone thing surface temperature and feed back;
When described actual temperature is lower than predetermined treatment temperature range, control circuit controls constant-current source and proportionally raises output current size, and detects in real time shone thing surface temperature and feed back.
Further, also step is comprised before described steps A:
The actual temperature on shone thing surface measured in real time by A0, ultraviolet light treatment handle by infrared measurement of temperature module, and judge whether described actual temperature is in predetermined treatment temperature range, when described actual temperature is lower than predetermined treatment temperature range, control circuit controls to drive the constant-current source of infrared LED lamp with maximum gear output current, and detects in real time shone thing surface temperature and feed back;
A1, when actual temperature is higher than predetermined treatment temperature range, control circuit controls to drive the constant-current source of infrared LED lamp to stop output current;
A2, when actual temperature is in predetermined treatment temperature range, control circuit controls to drive the constant-current source of infrared LED lamp to stop output current, performs steps A.
Further, in described step e when described actual temperature specifically comprises lower than step during predetermined treatment temperature range:
The constant-current source of constant-current source and infrared LED lamp that control circuit controls ultraviolet source proportionally raises output current size separately, and detects in real time shone thing surface temperature and feed back; Judge whether described actual temperature is in predetermined treatment temperature range, when the actual temperature on shone thing surface is in described predetermined treatment temperature range, control circuit controls to drive the constant-current source of infrared LED lamp to stop output current; When described actual temperature is higher than described predetermined treatment temperature range, control circuit controls to drive the constant-current source of infrared LED lamp and drive the constant-current source of ultraviolet source to stop output current.
A kind of ultraviolet light therapeutic equipment provided by the invention and light intensity Automatic adjustment method thereof, owing to have employed the wide light source of wavelength narrow-band and automatic control circuit, concrete advantage is:
1, the cost of ultraviolet light therapeutic equipment reduces, and the ultraviolet light purity of radiation is high, ensure that therapeutic effect;
2, accurately can control to light dosage, namely decrease human cost, can prevent again man-made failure operation from causing the accident;
3, there is infrared heating treatment skin function, and light intensity adjusts automatically, makes the surface temperature of shone thing be in default temperature range, has better therapeutic effect;
4, set temperature sensor, prevents overtemperature dangerous, improves the safety of ultraviolet light therapeutic equipment.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of ultraviolet light therapeutic equipment provided by the invention;
Fig. 2 is the sectional view of the first ultraviolet light treatment handle in ultraviolet light therapeutic equipment provided by the invention;
Fig. 3 is the sectional view of the second ultraviolet light treatment handle in ultraviolet light therapeutic equipment provided by the invention;
Fig. 4 is the syndeton schematic diagram of main frame and each light source in ultraviolet light therapeutic equipment provided by the invention;
Fig. 5 is the flow chart of the light intensity Automatic adjustment method of ultraviolet light therapeutic equipment 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 equipment 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 equipment 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 equipment 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 equipment provided by the invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the present invention is further illustrated.
As shown in Figure 1, ultraviolet light therapeutic equipment 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, 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 respectively by data wire.
The ultraviolet source being respectively arranged with radiation different wave length ultraviolet light in handle 300 treated by the first ultraviolet light treatment handle 200 of the present embodiment and the second ultraviolet light, and control circuit is set in main frame 100, for controlling fluorescent lifetime and the light intensity of ultraviolet source in two ultraviolet light treatment handles, and then the while of realization, dermopathic object treated by radiation different wave length ultraviolet light.
Further, in order to prevent the temperature of ultraviolet source too high, 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, then when temperature sensor, to measure water-cooling actuator temperature too high, can improve the rotating speed of water pump voluntarily to strengthen radiating effect and rate of heat exchange by control circuit; If set temperature sensor on air-cooled radiator, then to measure water-cooling actuator temperature too high in temperature sensor, can improve the rotating speed of fan voluntarily to strengthen radiating effect and rate of heat exchange by control circuit.
Below the scheme of two ultraviolet light treatment handles is specifically described.
With reference to figure 2, the light-emitting window of the first ultraviolet light treatment handle 200 is square, and the side of light-emitting window is made by the material of ultraviolet cutoff, comprise plastics or metal, and side can be transparent, also can be opaque.The ultraviolet source arranged in it is ultraviolet semiconductor light source, is designated as the first semiconductor light source 210.More preferably, first semiconductor light source 210 of the present embodiment is ultraviolet LED lamp, and for the ultraviolet light of radiation narrow spectrum UVA wave band, its radiation peak is 355nm-375nm, is preferably 365nm.The current electrode of the first semiconductor light source 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 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, the outlet that cold water is arranged from condensation is pumped into water-cooling head by water pump, 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, to measure water-cooling actuator temperature too high, can improve the rotating speed of water pump voluntarily to strengthen radiating effect and rate of heat exchange by CPU.Further, water-filled radiator place is provided with temperature switch 260, the electrical connection between the first semiconductor light source 210 and constant-current source is disconnected when water-cooling head breaks down and temperature switch 260 when rapid warm raising causes the temperature of the first semiconductor light source to exceed fence coverage occurs, serve the effect preventing the first semiconductor light source dry combustion method, ensure that the safety of ultraviolet light therapeutic equipment.
Ultraviolet light transmission piece 202 and the ultraviolet reflecting piece 203 of plated film is also provided with in described first ultraviolet light treatment handle 200, described ultraviolet light transmission piece 202 is arranged on the dead ahead of the first ultraviolet light treatment handle 200 light-emitting window, and described ultraviolet reflecting piece 203 is fixed on the inwall of the first ultraviolet light treatment handle 200 light-emitting window.
With reference to figure 3, the light-emitting window of the second ultraviolet light treatment handle 300 is square, and the side of light-emitting window is make the material of ultraviolet cutoff, comprise plastics or metal, and side can be transparent, also can be opaque.The ultraviolet source arranged in it is ultraviolet semiconductor light source, is designated as the second semiconductor light source 310.More preferably, second semiconductor light source 310 of the present embodiment is ultraviolet LED lamp, and for the ultraviolet light of radiation narrow spectrum UVB wave band, its radiation peak is 298nm-318nm, is preferably 308nm or 311nm.This second semiconductor light source 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 perforate, for the air circulation between the second ultraviolet light treatment handle inner and the second semiconductor light source.Be similar to the temperature sensor in the first ultraviolet light treatment handle, air-cooled radiator 320 place in second ultraviolet light treatment handle 300 is also provided with temperature sensor, time too high with convenient air-cooled radiator temperature, improved the rotating speed of fan voluntarily by control circuit to strengthen radiating effect and rate of heat exchange.And in order to ensure the safety of ultraviolet light therapeutic equipment further, air-cooled radiator place in the second ultraviolet light treatment handle also arranges a temperature switch, break down when air-cooled radiator and rapid warm raising occurs, when causing the temperature of the second semiconductor light source to exceed fence coverage, temperature switch disconnects the electrical connection between the second semiconductor light source and constant-current source, serves the effect preventing the second semiconductor light source dry combustion method.
Air-cooled radiator in 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, can certainly arrange a water-filled radiator is the heat radiation of two ultraviolet light treatment handles simultaneously, to reach Appropriate application, cost-saving object.
Identical with the design that handle treated by the first ultraviolet light, also ultraviolet light transmission piece and the ultraviolet reflecting piece of plated film is provided with in described second ultraviolet light treatment handle, 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.
Surface temperature in order to shone thing is stable to make each ultraviolet light therapeutic equipment reach optimum therapeuticing effect, first ultraviolet light treatment handle 200 and the second ultraviolet light treatment handle 300 are also provided with the infrared LED lamp of infrared radiation respectively, described infrared LED lamp be arranged on the first semiconductor light source or the second semiconductor light source surrounding or with to arrange about the first semiconductor light source or the second semiconductor light source or parallel staggered with the first semiconductor light source or the second semiconductor light source.When described infrared LED lamp is arranged on the surrounding of the first semiconductor light source or the second semiconductor light source, the light-emitting area of described infrared LED lamp and the first semiconductor light source or the second semiconductor light source is that predetermined angular forms " focusing " effect.
Skin is treated in order to ensure accurately to irradiate when using ultraviolet light treatment handle, the present invention also can arrange multiple positioned light source 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 face that the point of irradiation that the radiating surface of ultraviolet source is positioned at described positioned light source surrounds.Particularly, multiple positioned light source can be distributed in around the first semiconductor light source or the second semiconductor light source, the area that its hot spot surrounds equals or close to the swept area of the first semiconductor light source or the second semiconductor light source, realizes location and the mark of the size 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 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, when not using, ultraviolet light treatment handle can realize the placement of various ways.More preferably, main frame also connects a foot switch, and being convenient to user can switch main frame easily when 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, constant-current source 120, drive circuit 130 and timer 140 is also provided with in main frame, constant-current source 120 is mainly therapeutic instrument and powers, certain 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 be arranged 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 source 210, second semiconductor light source 310, control circuit 110 in main frame comprises light intensity calibration module 150, for calibrating each semiconductor light source output intensity, realize the constant of light source output intensity.Light intensity calibration module 150 also comprises a ultraviolet light transducer 220, and for detecting the light intensity of the ultraviolet light that each ultraviolet light treatment handle medium ultraviolet radiant sends, it is specifically arranged on main frame top and places in the groove 102 of each ultraviolet light treatment handle.First each ultraviolet light treatment handle is placed in groove before treatment, the ultraviolet light light intensity sent by ultraviolet light transducer detection ultraviolet source, and the data of detection are transferred to light intensity calibration module, regulated the constant-current source output current size of each ultraviolet source by light intensity calibration module, the ultraviolet light light intensity that ultraviolet source sends is calibrated.
Further, one or more light intensity calibration module can be set in main frame, for calibrating described first semiconductor light source and the second semiconductor light source output intensity, realize the constant of light source output intensity, during a light intensity calibration module, it calibrates the output intensity of two semiconductor light sources simultaneously, if multiple, then calibrates the output intensity of each semiconductor light source respectively.Light intensity calibration module is realize the input that light intensity calibration function needs external data, such as when the first semiconductor light source generation light decay, the data that light intensity calibration module can obtain according to ultraviolet light transducer increase the size of current that constant-current source exports or the time increasing timer voluntarily, to extend the time that the first semiconductor light source is lighted, the light intensity magnitude that when guaranteeing to treat, light source exports is identical with setting value with dosage.
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 detecting shone thing surface temperature.See Fig. 4, infrared measurement of temperature module 230 is connected to the light intensity calibration module 150 in control circuit 110.The temperature data recorded 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 obtained, ensure that the intensity of irradiation under ultraviolet ray is in preset range and irradiation dose reaches preset value, guarantee the safety of optimum curative effect and treatment.Preferably, the test surface axial direction of infrared measurement of temperature module 230 and the axial direction of the first semiconductor light source and the second semiconductor light source angled to form " focusing " effect.
Further, owing to the present invention includes multiple light source and the control of 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 driving 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 source in each treatment handle also not identical, for the present invention, drive the constant-current source of the first semiconductor light source and the second semiconductor light source different, the present invention is the light emitting control that each light source arranges that separately constant-current source 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 for spraying photosensitizing agents or can obtaining the medicine of 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 equipment that the ultraviolet light of main frame and radiation 365nm ultraviolet light is treated handle and jointly formed, radiation peak is that the ultraviolet source of 365nm can be used for doing fluoroscopic examination, there is actual meaning in Clinical detection, or treat for pure PUVA.Or the present invention can also be the ultraviolet light therapeutic equipment that the ultraviolet light of main frame and radiation 308nm ultraviolet light is treated handle and jointly formed, such ultraviolet light therapeutic equipment make use of efficient, the safety of 308nm ultraviolet light and alternative acts on the features such as pathological changes skin lesion, becomes the optimum selection of vitiligo phototherapy.
Based on above-mentioned ultraviolet light therapeutic equipment, present invention also offers a kind of light intensity Automatic adjustment method, as shown in Figure 5, comprise the following steps:
A, to be measured the light intensity magnitude data of the current ultraviolet light of each ultraviolet light treatment handle by ultraviolet light transducer, and described light intensity magnitude data are transferred to control circuit;
Control circuit in B, main frame obtains corresponding current light intensity by the light intensity dosage preset and regulates data;
C, control circuit draw the optical power density data corresponding to described light intensity magnitude data and described calibration curve according to the calibration curve preset;
D, control circuit regulate data according to described optical power density data and current light intensity, obtain target adjustment amount data, and export the size of current of ultraviolet source or the irradiation time length of ultraviolet source according to target adjustment amount data from Row sum-equal matrix power supply; Described target adjustment amount data comprise power supply and export the electric current of ultraviolet source and the irradiation time of ultraviolet source.
Particularly, the light intensity dosage preset in stepb is that the ultraviolet light therapeutic dose that should accept according to illuminated person sets, and after inputting intensity of illumination and light application time, the light intensity calibration module in control circuit obtains light intensity dose value.The calibration curve preset in step C is the functional relationship of light intensity magnitude and optical power density, calibration curve can be fixed function by light intensity calibration module installation, also can be the difference according to ultraviolet source but the function of actual measurement establishment, when actual measurement establishment function enables the main frame of ultraviolet light therapeutic equipment connect dissimilar ultraviolet light treatment handle, obtain corresponding to the calibration curve of 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 measurement amount different light intensity size, measured value is worked out calibration curve as standard value.Subsequently in step s 200, the functional relationship to light dosage and light intensity regulating data is set in the memory element of light intensity calibration module, when user uses ultraviolet light therapeutic equipment after input illumination dose or light application time, intensity of illumination, light intensity calibration module can obtain user and arrange light intensity regulating data corresponding to dosage.In step S300, be positioned at the ultraviolet light transducer detection ultraviolet source luminous intensity size of main frame groove, be stored into memory element by after this value digitized.In step S400, the light intensity value of storage substitutes in calibration curve as a parameter and draws the optical power density that this light intensity value is corresponding by light intensity calibration module.In step S500, light intensity calibration module, according to described optical power density data and adjustment data, obtains target adjustment amount data, and light intensity calibration module foundation target adjustment amount data are from Row sum-equal matrix constant-current source output current size or ultraviolet source irradiation time length.
Further, in order to ensure the safety of ultraviolet light therapeutic equipment and the effectiveness for the treatment of, need before treatment to detect in real time shone thing surface temperature, therefore, as shown in Figure 7, before execution steps A, also comprise step:
The actual temperature on shone thing surface measured in real time by A0, ultraviolet light treatment handle by infrared measurement of temperature module, and judge whether described actual temperature is in predetermined treatment temperature range, when described actual temperature is lower than predetermined treatment temperature range, control circuit controls to drive the constant-current source of infrared LED lamp with maximum gear output current, and detects in real time shone thing surface temperature and feed back; Actual temperature is lower than predetermined treatment temperature range, prove shone thing and patient skin surface temperature 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 higher than predetermined treatment temperature range, control circuit controls to drive 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, prove shone thing and patient skin surface temperature too high, be unfavorable for treatment, therefore, the irradiation of infrared LED lamp need be stopped, patient skin surface temperature is reduced naturally.Avoid that temperature is too high causes damage to patient skin.
A2, when actual temperature is in predetermined treatment temperature range, control circuit controls to drive the constant-current source of infrared LED lamp to stop output current, performs steps A.
Further, in order to strengthen the safety of ultra-violet therapy apparatus, over the course for the treatment of, also need to detect in real time shone thing surface temperature in real time, therefore, see Fig. 8, after above-mentioned light intensity Automatic adjustment method, further comprising the steps of:
The actual temperature on shone thing surface measured in real time by E, ultraviolet light treatment handle by infrared measurement of temperature module, and judges whether actual temperature is in predetermined temperature range, when described actual temperature is in predetermined treatment temperature range, performs steps A-D;
When described actual temperature is higher than predetermined treatment temperature range, control circuit controls constant-current source and proportionally reduces output current size, and detects in real time shone thing surface temperature and feed back;
When described actual temperature is lower than predetermined treatment temperature range, control circuit controls constant-current source and proportionally raises output current size, and detects in real time shone thing surface temperature and feed back.In the process, the constant-current source being controlled infrared LED lamp by control circuit proportionally raises output current size, and detects in real time shone thing surface temperature and feed back; Until the actual temperature on shone thing surface is in described predetermined treatment temperature range, control circuit controls to drive the constant-current source of infrared LED lamp to stop output current; And when actual temperature is higher than described predetermined treatment temperature range, control circuit controls to drive the constant-current source of ultraviolet source and control to drive the constant-current source of infrared LED lamp to stop output current respectively, 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 and described actual temperature, described predetermined treatment temperature range is be in the temperature range between onset threshold value and safe temperature.Final step S800 light intensity calibration module performs corresponding adjustment process according to the comparative result of step S700, if surface temperature is greater than safe temperature, then reduces output current according to the difference of surface temperature and safe temperature according to the adjustment ratio preset; If surface temperature is less than safe temperature and be greater than onset threshold value, then perform the step S100-S500 of above-mentioned light intensity Automatic adjustment method; If surface temperature is less than onset threshold value, then increase output current according to the difference of onset threshold value and surface temperature according to the adjustment ratio preset.
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 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 be in the optimal treatment temperature range of setting, enhance the precision of light supply, improve automatization's performance of UV therapy equipment, avoid the excessive probability causing the too high generation of skin temperature to be burnt of light intensity, substantially increase the safety of equipment use.
2. be positioned at the temperature of the temperature sensor monitors ultraviolet light treatment handle on heat abstractor, when temperature exceedes predetermined temperature, temperature switch disconnects, and device shutdown, further ensures the safety of ultraviolet light therapeutic equipment.
3. positioned light source achieves location and the mark of the size of the irradiated area to black light.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not 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 (10)
1. a ultraviolet light therapeutic equipment, it is characterized in that, handle treated by the several ultraviolet lights comprising main frame and be connected with main frame, the ultraviolet source sending different ultraviolet light is provided with in each ultraviolet light treatment handle, being provided with in described main frame and controlling the fluorescent lifetime of ultraviolet source and the control circuit of light intensity, in described each ultraviolet light treatment handle, being also respectively arranged with the heat abstractor for dispelling the heat for ultraviolet source.
2. ultraviolet light therapeutic equipment according to claim 1, is characterized in that, described each ultraviolet light treatment handle is also provided with the infrared measurement of temperature module for detecting shone thing surface temperature.
3. ultraviolet light therapeutic equipment 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, first semiconductor light source of radiation narrow spectrum UVA is provided with in described first ultraviolet light treatment handle, be provided with second semiconductor light source of radiation narrow spectrum UVB in described second ultraviolet light treatment handle, described first semiconductor light source and the second semiconductor light source are ultraviolet LED lamp.
4. ultraviolet light therapeutic equipment according to claim 3, it is characterized in that, be the heat abstractor of the first semiconductor light source heat-dissipating in described first ultraviolet light treatment handle be water-filled radiator, be the heat abstractor of the second semiconductor light source heat-dissipating in described second ultraviolet light treatment handle be water-filled radiator or air-cooled radiator, described heat abstractor place is also provided with temperature sensor, described temperature sensor is connected with control circuit, described heat abstractor is provided with temperature switch, and described temperature switch connects described control circuit and described ultraviolet source.
5. ultraviolet light therapeutic equipment according to claim 3, it is characterized in that, described first ultraviolet light treatment handle and the second ultraviolet light treatment handle are also provided with the infrared LED lamp of infrared radiation respectively, described infrared LED lamp be separately positioned on the first semiconductor light source or the second semiconductor light source surrounding or with to arrange about the first semiconductor light source or the second semiconductor light source or parallel staggered with the first semiconductor light source or the second semiconductor light source.
6. ultraviolet light therapeutic equipment according to claim 5, it is characterized in that, when described infrared LED lamp is arranged on the surrounding of the first semiconductor light source or the second semiconductor light source, the light-emitting area of described infrared LED lamp and the first semiconductor light source or the second semiconductor light source is that predetermined angular forms " focusing " effect.
7. ultraviolet light therapeutic equipment according to claim 3, it is characterized in that, described first ultraviolet light treatment handle and the second ultraviolet light treat the ultraviolet reflecting piece and the ultraviolet light transmission piece that handle are also respectively arranged with plated film, described ultraviolet reflecting piece is fixed on the inwall of the light-emitting window of the first ultraviolet light treatment handle and the second ultraviolet light treatment handle, 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, the side of the light-emitting window of described first ultraviolet light treatment handle and the second ultraviolet light treatment handle is made up of the material ending ultraviolet light.
8. ultraviolet light therapeutic equipment according to claim 3, it is characterized in that, described control circuit also includes the light intensity calibration module for calibrating described first semiconductor light source and the second semiconductor light source output intensity, and described ultraviolet light treatment handle inner is provided with positioned light source.
9. a light intensity Automatic adjustment method for ultraviolet light therapeutic equipment, is characterized in that, comprise step:
A, to be measured the light intensity magnitude data of the current ultraviolet light of each ultraviolet light treatment handle by ultraviolet light transducer, and described light intensity magnitude data are transferred to control circuit;
Control circuit in B, main frame obtains corresponding current light intensity by the light intensity dosage preset and regulates data;
C, control circuit draw the optical power density data corresponding to described light intensity magnitude data and described calibration curve according to the calibration curve preset;
D, control circuit regulate data according to described optical power density data and current light intensity, obtain target adjustment amount data, and export the size of current of ultraviolet source or the irradiation time length of ultraviolet source according to target adjustment amount data from Row sum-equal matrix power supply; Described target adjustment amount data comprise constant-current source and export the electric current of ultraviolet source and the irradiation time of ultraviolet source.
10. the light intensity Automatic adjustment method of a kind of ultraviolet light therapeutic equipment as claimed in claim 9, is characterized in that, also comprise step after described step D:
The actual temperature on shone thing surface measured in real time by E, ultraviolet light treatment handle by infrared measurement of temperature module, and judges whether described actual temperature is in predetermined treatment temperature range, when described actual temperature is in predetermined treatment temperature range, performs steps A-D;
When described actual temperature is higher than predetermined treatment temperature range, control circuit controls constant-current source and proportionally reduces output current size, and detects in real time shone thing surface temperature and feed back;
When described actual temperature is lower than predetermined treatment temperature range, control circuit controls constant-current source and proportionally raises output current size, and detects in real time shone thing surface temperature and feed back.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410128279.1A CN104971441A (en) | 2014-04-01 | 2014-04-01 | Ultraviolet therapeutic facility and automatic light intensity adjusting method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410128279.1A CN104971441A (en) | 2014-04-01 | 2014-04-01 | Ultraviolet therapeutic facility and automatic light intensity adjusting method |
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| CN104971441A true CN104971441A (en) | 2015-10-14 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106730379A (en) * | 2016-11-22 | 2017-05-31 | 安徽航天生物科技股份有限公司 | It is a kind of to prevent far infrared therapeutic apparatus from burning the method for patient skin |
| CN108337881A (en) * | 2015-11-30 | 2018-07-27 | 科明股份有限公司 | Treat the small-sized UVB phototherapy devices of skin disorder |
| CN109316664A (en) * | 2018-07-02 | 2019-02-12 | 佛山科学技术学院 | The adaptive physiotherapeutic apparatus of temperature control |
| CN116806065A (en) * | 2023-08-24 | 2023-09-26 | 牛尾医疗科技（苏州）有限公司 | LED-based self-feedback light source system |
| CN117180637A (en) * | 2023-10-13 | 2023-12-08 | 安徽雷彻科技有限公司 | Control system of ultraviolet therapeutic instrument |
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2014
- 2014-04-01 CN CN201410128279.1A patent/CN104971441A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108337881A (en) * | 2015-11-30 | 2018-07-27 | 科明股份有限公司 | Treat the small-sized UVB phototherapy devices of skin disorder |
| CN106730379A (en) * | 2016-11-22 | 2017-05-31 | 安徽航天生物科技股份有限公司 | It is a kind of to prevent far infrared therapeutic apparatus from burning the method for patient skin |
| CN109316664A (en) * | 2018-07-02 | 2019-02-12 | 佛山科学技术学院 | The adaptive physiotherapeutic apparatus of temperature control |
| CN116806065A (en) * | 2023-08-24 | 2023-09-26 | 牛尾医疗科技（苏州）有限公司 | LED-based self-feedback light source system |
| CN116806065B (en) * | 2023-08-24 | 2024-04-30 | 牛尾医疗科技（苏州）有限公司 | LED-based self-feedback light source system |
| CN117180637A (en) * | 2023-10-13 | 2023-12-08 | 安徽雷彻科技有限公司 | Control system of ultraviolet therapeutic instrument |
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