CN102698369B - For the pulsed light generation device of light therapy apparatus - Google Patents
For the pulsed light generation device of light therapy apparatus Download PDFInfo
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- CN102698369B CN102698369B CN201210220786.9A CN201210220786A CN102698369B CN 102698369 B CN102698369 B CN 102698369B CN 201210220786 A CN201210220786 A CN 201210220786A CN 102698369 B CN102698369 B CN 102698369B
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Abstract
The present invention relates to a kind of pulsed light generation device for light therapy apparatus, comprise the light source sending continuous light, also comprise arrange described light source send in light path, rotate or reciprocating motion light that described light source is sent is blocked by it or through and become interrupted pulsed light arrive treatment face telecontrol equipment, be connected and the drive unit driving described telecontrol equipment to move and the control device controlling the described drive unit speed of service with described telecontrol equipment.Implement the pulsed light generation device for light therapy apparatus of the present invention, there is following beneficial effect: its reliable operation, to produce pulsed light pattern more and use flexibly.
Description
Technical field
The present invention relates to light therapy apparatus, more particularly, relate to a kind of pulsed light generation device for light therapy apparatus.
Background technology
Light can be used for the treatment of medical field various diseases, and achieves obvious curative effect clinical.This methods for the treatment of is called as optical therapeutic method, its equipment is called as optical therapeutic equipment, along with progressively going deep into LED light research, utilizes the therapeutic system of LED light as safer, cost is cheaper, treatment can repeat higher therapeutic system progressively approve by people and adopt.But the operation principle of optical therapeutic equipment of the prior art is all adopt continuous light to irradiate trouble face usually.Such continuous light irradiation treatment existing defects under many circumstances, such as, but when too high optical power density but cannot be born in the higher treatment face of the power output of a lot of optical therapeutic equipment own, this equipment use gets up will be very inconvenient; In addition, research discovery human body is much organized has specific vibration frequency with cell, when adopting the pulsed light had with tissue vibration frequency identical with cell to carry out irradiation treatment, can reach effect more better than continuous light irradiation treatment; Certainly, in the prior art, also have the example realizing pulsed light by controlling the break-make of power supply, but when realizing pulsed light by the break-make controlling power supply, light source being easily subject to temporary over-current and impacting, occurring that light source burns or the life-span accelerates the problem of reduction; In addition, the pattern of this pulsed light produced by Energy control less (i.e. the adjustable frequency range of pulsed light and adjustable duty cycle range narrower) and use dumb; Particularly when adopting great power LED as light source, owing to adopting high power constant-current source to power, the pulse modulation scope for existing high power constant-current source is narrower, and uses limited.
Summary of the invention
The technical problem to be solved in the present invention is, easily be subject to temporary over-current for the above-mentioned of prior art and impact conventionally by controlling light source when the break-make of power supply realizes pulsed light and cause light source to burn or the life-span accelerates reduction and then causes work unreliable, the pattern of the pulsed light produced less (i.e. the adjustable frequency range of pulsed light and adjustable duty cycle range narrower), use inflexible defect, thering is provided a kind of makes light source life long owing to there is not instantaneous overcurrent impact, reliable operation, produce pulsed light pattern more, pulsed light generation device for light therapy apparatus easy to use.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of pulsed light generation device for light therapy apparatus, comprise the light source sending continuous light, also comprise arrange described light source send in light path, rotate or reciprocating motion light that described light source is sent is blocked by it or through and become interrupted pulsed light arrive treatment face telecontrol equipment, be connected and the drive unit driving described telecontrol equipment to move and the control device controlling the described drive unit speed of service with described telecontrol equipment.
Of the present invention in the pulsed light generation device of light therapy apparatus, described control device also comprises for accepting outside or the control signal that collects and regulating the speed regulation unit of the described drive unit speed of service according to described control signal.
Of the present invention in the pulsed light generation device of light therapy apparatus, described drive unit comprises motor or the mechanical device under motor drives; Described motor or mechanical device are connected by gear or mechanical linkage or transmit crawler belt and drive described telecontrol equipment to move.
For in the pulsed light generation device of light therapy apparatus, described telecontrol equipment comprises lighttight disk of the present invention, described disk is provided with at least one and emits beam the sector notch passed through for described light source; Described disk area is less than the irradiated area that the irradiated area of the light that described light source sends or described disk area are more than or equal to the light that described light source sends.
Of the present invention in the pulsed light generation device of light therapy apparatus, described telecontrol equipment also comprises the fan-shaped shielding plate that at least one is arranged on described disk, it changes the angle of described sector notch when moving.
Described disk is provided with even number sector notch of the present invention in the pulsed light generation device of light therapy apparatus, described sector notch between two with described circle disk center for symmetric points are symmetrical.
Of the present invention in the pulsed light generation device of light therapy apparatus, described telecontrol equipment is included under described drive unit drives and makes straight reciprocating motion, lighttight rectangle shutter in its place plane; Described rectangle shutter area is less than the irradiated area that the irradiated area of the light that described light source sends or described rectangle shutter area are more than or equal to the light that described light source sends.
Of the present invention in the pulsed light generation device of light therapy apparatus, described rectangle shutter is provided with perpendicular to its direction of motion the gap that at least one makes the light transmission of described light source.
Of the present invention in the pulsed light generation device of light therapy apparatus, described telecontrol equipment comprises its axis direction and sends the hollow of optical transmission direction, untight light tight cylinder perpendicular to described light source, and treatment face is arranged in described cylinder; Described cylinder rotates around its axis under the drive of described drive unit; Described cylinder is provided with at least one is parallel with its axis direction, make described light source emit beam through gap; Projected area in the transmission direction that described cylinder emits beam at the described light source projected area be less than in transmission direction that the irradiated area of the light that described light source sends or described cylinder emit beam at described light source is more than or equal to the irradiated area of the light that described light source sends.
Of the present invention in the pulsed light generation device of light therapy apparatus, described cylinder comprises even number gap; Described gap is that symmetric points are symmetrical with the circle central axis of described cylinder between two.
Implement the pulsed light generation device for light therapy apparatus of the present invention, there is following beneficial effect: be provided with telecontrol equipment due on the transmission path of continuous light that sends at light source, the continuous light that this light source is sent becomes pulsed light when the treatment face of arrival, and its average power is reduced; And by regulating the movement velocity of above-mentioned telecontrol equipment, the frequency of this pulsed light and the tissue on treatment face vibration frequency identical with cell can be made identical, and then obtain higher efficiency and good result for the treatment of.Therefore, when to avoid in prior art by controlling the break-make of power supply and realizing pulsed light, light source is easily subject to temporary over-current and impacts and cause light source to burn or the life-span accelerates the problem of reduction, and the pattern of its pulsed light produced comparatively conventional method more (i.e. the adjustable frequency range of pulsed light and adjustable duty cycle range wider), use more flexible; Particularly when adopting great power LED as light source, power owing to adopting high power constant-current source, and compare by limited time in the narrower use of pulse modulation scope of existing high power constant-current source, adopt shielding mode to realize the advantage obvious pulsed light generation device for light therapy apparatus especially of pulsed light.Therefore, its reliable operation, to produce pulsed light pattern more and use flexibly.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention for pulsed light generation device first embodiment of light therapy apparatus;
Fig. 2 is disc structure schematic diagram in described first embodiment;
Fig. 3 is the structural representation of the present invention for pulsed light generation device second embodiment of light therapy apparatus;
Fig. 4 is the structural representation of the present invention for pulsed light generation device the 3rd embodiment of light therapy apparatus.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the present invention is further illustrated.
As shown in Figure 1, be used in the present invention in the first embodiment of the pulsed light generation device of light therapy apparatus, this pulsed light generation device being used for light therapy apparatus comprises the light source 11, telecontrol equipment 12, drive unit 13 and the control device 14 that send continuous light; Wherein, telecontrol equipment 12 is arranged in the light path that light source 11 emits beam, and its light being positioned at above-mentioned light source 11 and treatment face 9(and light therapy apparatus shines the plane that sufferer organizes place) between; When telecontrol equipment 12 moves, it rotates the light that light source 11 is sent and is blocked by it or pass and become interrupted pulsed light arrival treatment face 9; Drive unit 13 is connected with telecontrol equipment 12, and actuation movement device 12 moves; The speed of service of control device 14 accessory drive 13, meanwhile, control device 14 also controls above-mentioned light source 11, makes it send continuous print light.In a first embodiment, control device 14 also comprises for accepting outside or the control signal that collects and regulating the speed regulation unit (not shown) of drive unit 13 speed of service according to described control signal.The speed of accessory drive 13 and then the rotary speed of controlled motion device 12 and obtain the different pulsed light of its frequency of occurrences, and the different control signal obtained according to being outside adjustment of control device 14 accessory drive 13; That is, operator can manual adjustments or arrange the speed of telecontrol equipment 12, to obtain the comparatively suitable pulsed light of its frequency of occurrences; Certainly, on the equipment with some machine intelligences, also by the sighting device of machine or haptic device, the position of Current therapeutic can be judged, and then obtain this position or organize the light frequency of occurrences (such as tabling look-up) be comparatively applicable to, then obtain the foundation of accessory drive 13.
In a first embodiment, drive unit 13 comprises motor or the mechanical device under motor drives; These motors or mechanical device are connected by gear or mechanical linkage and brought into motion device 12 moves.Such as, in FIG, drive unit 12 is rotated by gear driven telecontrol equipment.
In a first embodiment, refer to Fig. 1, this telecontrol equipment 12 comprises lighttight disk, this disk is provided with at least one and emits beam the sector notch (part see the AOB in Fig. 1 is marked) passed through for light source 11.When this disk rotates under the drive of drive unit 13, when the non-sector notch of disk rotates to above treatment position, because this disk is light tight, so the light that light source 11 sends is blocked by disk, light can not arrive treatment face 9; And when the sector notch of this disk rotates to the top of above-mentioned treatment position, light arrives treatment face 9 by sector notch.Like this, when breach is positioned on treatment position, light appears on treatment position; Otherwise light there will not be at treatment position; Disc rotary is faster, and the number of times that light appears at treatment position within the unit interval is more, and namely its frequency of occurrences is higher, and the frequency of pulsed light is also higher.That is, in FIG, telecontrol equipment 12 is placed in the light-struck front of light source 11, telecontrol equipment 12 under the driving of drive unit 13 with rotate for axle.Light path is periodically blocked by the telecontrol equipment 12 rotated, and what be finally irradiated to trouble face is then the pulsed light having respective frequencies.In a first embodiment, light source 11 can be point-source of light, line source or area source, and its type can be laser, light-emitting diode (LED), and tungsten halogen lamp or sodium vapor lamp etc. may be used for the light source for the treatment of.
Under certain situation in a first embodiment, in order to reach good light result for the treatment of, may need to regulate (now to the light time appeared on treatment face 9, the frequency that light occurs is change not, what need adjustment is only the time that treatment face glazed thread continues), for this reason, in a first embodiment, telecontrol equipment 12 also comprises the fan-shaped shielding plate (not shown) that at least one is arranged on disk, it changes the angle of sector notch when moving.By adjusting the position of this fan-shaped shielding plate relative to disk, just can regulate the duty ratio of obtained pulsed light (between when namely treatment face having light and the ratio of unglazed time), if in conjunction with control and the adjustment of control unit 14 pairs of telecontrol equipment 12 rotary speeies, the regulating and controlling of duty ratio to obtained pulsed light and frequency can be realized.In the present embodiment, this fan-shaped shielding plate is arranged on above-mentioned disk, and it can rotate around its center of circle or move on this disk; When this shielding plate to overlap with sector notch and shelters from this sector notch, itself and this disk forms a complete circus movement device (not being with breach), and now, the light of light source 11 can not be irradiated to treatment face 9; When it and sector notch partly overlaps time, that it changes the angle (make its angle is less, glazed area is less) of sector notch, so the time that the light that light source 11 sends continues in the same circumstances on treatment face 9 is shorter.
In addition, as shown in Figure 2, in a first embodiment, also can be provided with even number sector notch on disk, these sector notch are that symmetric points are symmetrical between two with circle disk center.In fig. 2, show 4 sector notch, it is A1OB1, A2OB2, A3OB3 and A4OB4 respectively; Wherein, A1OB1 and A3OB3 with center of circle O for symmetric points, symmetrically; A2OB2 and A4OB4 with center of circle O for symmetric points, symmetrically.The benefit of this set is, by lower telecontrol equipment velocity of rotation, can obtain higher pulsed light frequency, with regard to Fig. 2, compare with Fig. 1, if the velocity of rotation of telecontrol equipment 12 is identical, then treating frequency that light occurs on treatment face 9 in Fig. 2 is in Fig. 14 times.This set is very suitable for the occasion requiring that pulsed light frequency is higher.Certainly, when embody rule, also may not be 4 sector notch, more sector notch can also be set.On basic, its wearing and tearing of the equipment run up are comparatively large, more easily go wrong; Therefore, multiple sector notch is set in a first embodiment for the loss of equipment, is good.In addition, for light source 11, also can power to horizontal pulse in fact, make itself to send pulsed light, but the infringement like this for light source is very big, and the life-span of light source is sharply declined; In some cases, also may there is the sunset glow problem of light source luminescent, cause the out of contior problem of the quantity of illumination.Therefore, particularly for the light-struck situation of needs high-speed pulse, adopt light source to send continuous light, and to obtain pulsed light at source outer be comparatively appropriate a kind of scheme.
Fig. 3 is the structural representation that in second embodiment of the invention, this is used for the pulsed light generation device of light therapy apparatus.Compare with the first embodiment, this the second embodiment difference is that the structure of its telecontrol equipment 12 is different, it is different from the connected mode of drive unit 13 that the difference of this structure also brings this telecontrol equipment 12, and namely the method for drive unit 13 brought into motion device 12 is different.For in the second embodiment with same section in the first embodiment, no longer repeat at this, only its different piece described.
In a second embodiment, refer to Fig. 3, telecontrol equipment 12 is included under drive unit 13 drives and makes straight reciprocating motion, lighttight rectangle shutter in its place plane.Rectangle shutter is provided with the gap that at least one makes the light transmission of described light source; The bearing of trend in these gaps is perpendicular to the direction of motion of this rectangle shutter.Due to the shape of telecontrol equipment 12 in a second embodiment, drive unit 13 is not be just connected with this telecontrol equipment 12 by gear, as shown in Figure 3, in a second embodiment, drive unit 13 makes telecontrol equipment do the reciprocating motion (direction along being labeled as 40 in Fig. 4) of straight line by the mechanical linkage of driven by motor.When being arranged on the gap on rectangle shutter and being more (these gaps are arranged in order along the direction of motion of this rectangle shutter), higher in the frequency for the treatment of face (i.e. the perspective plane 43 of light) upper appearance treatment light.Certainly, in some cases, may not be and use mechanical linkage to drive, but use transmission crawler belt.
In a second embodiment, even if above-mentioned rectangle shutter does not arrange gap, the generation of above-mentioned pulsed light can also be completed.When the speed of above-mentioned rectangle shutter straight reciprocating motion is fast, the frequency of pulsed light is higher; When the speed of above-mentioned rectangle shutter straight reciprocating motion is slow, the frequency of pulsed light is lower.When above-mentioned rectangle shutter is larger along the width of the direction of motion, the duty ratio of pulsed light is lower, and when above-mentioned rectangle shutter is less along the width of the direction of motion, the duty ratio of pulsed light is higher.
Fig. 4 is the structural representation that in third embodiment of the invention, this is used for the pulsed light generation device of light therapy apparatus.Compare with the first embodiment, 3rd embodiment difference is that the structure of its telecontrol equipment 12 is different, it is different from the connected mode of drive unit 13 that the difference of this structure also brings this telecontrol equipment 12, and namely the method for drive unit 13 brought into motion device 12 is different.For in the 3rd embodiment with same section in the first embodiment, no longer repeat at this, only its different piece described.
In the third embodiment, telecontrol equipment 12 is lighttight non-closed cylinders, and circle central axis (be positioned at its center of circle, extend to its length direction) direction of this cylinder sends optical transmission direction perpendicular to light source 11, be empty in the middle of this cylinder, can hand or other human body parts be placed on wherein; Like this, treatment face is just arranged in cylinder; This cylinder rotates around its axis (circle central axis of this cylinder) under the drive of drive unit; Cylinder is provided with at least one is parallel with its axis direction, make light source 11 emit beam through gap.Refer to the ABCD part in Fig. 4, the area that this ABCD surrounds is above-mentioned gap, and the dash area in Fig. 4 represents the lightproof part of this cylinder.In addition, in the third embodiment, similar to the first embodiment, above-mentioned cylinder comprises even number gap; These gaps are that symmetric points are symmetrical with the circle central axis of this cylinder between two.The effect of this set is also similar to the first embodiment, does not repeat them here.Equally, in the third embodiment, also by the adjustment regulating the rotating speed of cylinder to realize pulsed light frequency, the adjustment of pulsed light duty ratio can be realized by the adjustment of described gap width.
In above-mentioned multiple embodiment, with usually adopt the drive waveforms or power supply that control light source in prior art and obtain pulsed light mode compared with, except above-mentioned not having that overcurrent impacts, pulsed light pattern is more, use the advantage such as flexible except, also have an advantage to be that in prior art, method cannot realize.I.e. in source light overlay area (usually, area is treated exactly in this region), continuous light and pulsed light can be realized and deposit; Namely when the area (being the projected area of cylinder in its source light transmission direction in the third embodiment) of radical occlusion device is more than or equal to source light irradiated area, in whole source light overlay area, it is all the pulsed light formed by above-mentioned radical occlusion device; And when the area of radical occlusion device is less than source light irradiated area, this area that radical occlusion device blocks is the pulsed light formed by this radical occlusion device; And in the source light area coverage do not blocked at this radical occlusion device, be then that the continuous light that sends of source light is in irradiation.This mixing illumination mode adopts method of the prior art (the break-make mode as by the power supply of control light source) to realize.In the occasion that some are comparatively special, the pattern of this mixed light photograph can obtain good result for the treatment of.
The above embodiment only have expressed several execution mode 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 range of patent of the present invention should be as the criterion with claims.
Claims (8)
1. the pulsed light generation device for light therapy apparatus, comprise the light source sending continuous light, it is characterized in that, also comprise arrange described light source send in light path, rotate or reciprocating motion light that described light source is sent is blocked by it or through and become interrupted pulsed light arrive treatment face telecontrol equipment, be connected and the drive unit driving described telecontrol equipment to move and the control device controlling the described drive unit speed of service with described telecontrol equipment; Described control device also comprises for accepting outside or the control signal that collects and regulating the speed regulation unit of the described drive unit speed of service according to described control signal; Described drive unit comprises motor or the mechanical device under motor drives; Described motor or mechanical device are by gear or mechanical linkage or transmit crawler belt and connect and drive described telecontrol equipment to move; Wherein, by regulating the movement velocity of described telecontrol equipment, make the frequency of this pulsed light identical with the vibration frequency of cell with the tissue on treatment face.
2. the pulsed light generation device for light therapy apparatus according to claim 1, it is characterized in that, described telecontrol equipment comprises lighttight disk, described disk is provided with at least one and emits beam the sector notch passed through for described light source; Described disk area is less than the irradiated area that the irradiated area of the light that described light source sends or described disk area are more than or equal to the light that described light source sends.
3. the pulsed light generation device for light therapy apparatus according to claim 2, is characterized in that, described telecontrol equipment also comprises the fan-shaped shielding plate that at least one is arranged on described disk, it changes the angle of described sector notch when moving.
4. the pulsed light generation device for light therapy apparatus according to claim 2, is characterized in that, described disk is provided with even number sector notch, described sector notch between two with described circle disk center for symmetric points are symmetrical.
5. the pulsed light generation device for light therapy apparatus according to claim 1, is characterized in that, described telecontrol equipment is included under described drive unit drives and makes straight reciprocating motion, lighttight rectangle shutter in its place plane; Described rectangle shutter area is less than the irradiated area that the irradiated area of the light that described light source sends or described rectangle shutter area are more than or equal to the light that described light source sends.
6. the pulsed light generation device for light therapy apparatus according to claim 5, is characterized in that, described rectangle shutter is provided with perpendicular to its direction of motion the gap that at least one makes the light transmission of described light source.
7. the pulsed light generation device for light therapy apparatus according to claim 1, it is characterized in that, described telecontrol equipment comprises its axis direction and sends the hollow of optical transmission direction, untight light tight cylinder perpendicular to described light source, and treatment face is arranged in described cylinder; Described cylinder rotates around its axis under the drive of described drive unit; Described cylinder is provided with at least one is parallel with its axis direction, make described light source emit beam through gap; Projected area in the transmission direction that described cylinder emits beam at the described light source projected area be less than in transmission direction that the irradiated area of the light that described light source sends or described cylinder emit beam at described light source is more than or equal to the irradiated area of the light that described light source sends.
8. the pulsed light generation device for light therapy apparatus according to claim 7, it is characterized in that, described cylinder comprises even number gap; Described gap is that symmetric points are symmetrical with the circle central axis of described cylinder between two.
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| CN201210220786.9A CN102698369B (en) | 2012-06-29 | 2012-06-29 | For the pulsed light generation device of light therapy apparatus |
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| CN201210220786.9A CN102698369B (en) | 2012-06-29 | 2012-06-29 | For the pulsed light generation device of light therapy apparatus |
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| CN103462731A (en) * | 2013-09-18 | 2013-12-25 | 重庆大学 | Light pulse stimulating device for causing mechanical vibration of cochleae |
| CN114010955B (en) * | 2021-11-10 | 2024-02-27 | 固安翌光科技有限公司 | In-vivo phototherapy device with compound regulation function |
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| CN1198038A (en) * | 1997-04-17 | 1998-11-04 | 罗吉特龙有限公司 | Optical encoder and pulser |
| CN101506644A (en) * | 2006-08-31 | 2009-08-12 | 皇家飞利浦电子股份有限公司 | Optical cavity-enhanced photo acoustic trace gas detector with variable light intensity modulator |
| CN202682579U (en) * | 2012-07-06 | 2013-01-23 | 深圳普门科技有限公司 | Pulsed light generation device for phototherapy equipment |
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| CN87209902U (en) * | 1987-06-29 | 1988-04-06 | 江苏省劳动保护科学技术研究所 | Mechanical time sequence synchronous photoelectric pulse generator |
| CN1198038A (en) * | 1997-04-17 | 1998-11-04 | 罗吉特龙有限公司 | Optical encoder and pulser |
| CN101506644A (en) * | 2006-08-31 | 2009-08-12 | 皇家飞利浦电子股份有限公司 | Optical cavity-enhanced photo acoustic trace gas detector with variable light intensity modulator |
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Address after: 518000 A, four floor, Yijing company, 1008, song Bai Road, Nanshan District, Shenzhen, Guangdong, China, four Patentee after: Shenzhen lifotronic Polytron Technologies Inc Address before: 518055 four floor, 15 15 song Bai Road, Nanshan District, Shenzhen, Guangdong. Patentee before: Lifotronic Technology Co., Ltd. |
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Effective date of registration: 20180802 Address after: 401331 No. 36 Zhenhua Road, Zeng Jia Zhen, Shapingba District, Chongqing, 2-6 Patentee after: Chongqing Pu men Chong Biotechnology Co., Ltd. Address before: 518000 A, four floor, Yijing company, 1008, song Bai Road, Nanshan District, Shenzhen, Guangdong, China, four Patentee before: Shenzhen lifotronic Polytron Technologies Inc |