CN206526411U - It is a kind of that equipment is treated based on the LED light that PWM drives - Google Patents
It is a kind of that equipment is treated based on the LED light that PWM drives Download PDFInfo
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- CN206526411U CN206526411U CN201621175253.3U CN201621175253U CN206526411U CN 206526411 U CN206526411 U CN 206526411U CN 201621175253 U CN201621175253 U CN 201621175253U CN 206526411 U CN206526411 U CN 206526411U
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Abstract
The utility model belongs to medical treatment and the crossing domain of lighting engineering, and in particular to the LED light therapeutic equipment under a kind of PWM type of drive.The equipment is using advanced pulsed drive control mode and the non-planar heat conductive silica gel of innovation so that while therapeutic equipment Output optical power density is higher than effectively treatment threshold value, the upper safety limit of surface temperature regulations of rules related less than country.With existing laser compared with intense pulsed light medical technology, the equipment can meet same curative effect, and therapeutic process is safer comfortable, applied to having a high potential for flexible pro-skin phototherapy, meets following wearable medicine equipment development trend.
Description
Technical field
The utility model belongs to medical treatment and the crossing domain of lighting engineering, and in particular to a kind of LED light driven based on PWM
Treat equipment.
Background technology
In medical field, it is a kind of very common treatment method to improve disease condition using illumination, is widely made at present
There are laser technology and intense light pulse technology.Its general principle is：Skin surface or subcutaneous abnormal structure are because being strongly absorbed into
The illumination penetrated and local rise temperature in a short time, so that cell is destroyed or gasifies.Though this kind of scheme curative effect
Substantially, but belong to invasion or damage type treatment, certain side effect can be caused to the normal physiological tissue of human body.In addition, being shone
The patient penetrated can usually experience certain burn feeling, so as to produce to treating unfavorable anxiety and the feared state of mind.
And more and more study and show, under certain condition, the laser and LED light of phase co-wavelength are producing cell biological
No significant difference in Active Regulation effect.For example, LED feux rouges and infrared portions wave band can be greatly promoted collagen increasing
It is raw, increase epithelial cell breeding potential, accelerate scar to recover, desalinate color spot, can be applied to women gestation line, wound and tissue
The transdermal medical field of healing, face acnes etc.；Blue light has the remarkable effect for suppressing melatonin secretion, therefore can improve
Winter is because of seasonal melancholia caused by intensity of sunshine deficiency（Seasonal Affective Disorder, SAD）, because
The characteristics of illness is that the secretory volume of patient's melatonin is too high.Further, since LED component safety long-life itself, compact conformation,
Control is easy, and spectrum covering is wide, and belongs to the comfortable cold light source of nature, thus emerging LED light source component substitute laser with
Intense light pulse in the research and development portable phototherapy equipment aspect of software pro-skin applied to optical therapeutic, particularly to have a high potential, prospect
It is wide.
Many experiments show that the Output optical power density for the treatment of light source is more than 40mW/cm2It can just be produced during left and right substantially
Curative effect.Yet with the well-known radiating problems of LED, under conventional constant current driving when optical power density is higher than this lower limit,
The surface temperature of phototherapy apparatus often readily exceeds the safe upper temperature of national related regulations of rules.Therefore, the utility model
The characteristics of being easy to numeral regulation and control using LED component, using pwm pulse type of drive, and combines the heat dissipation equipment of novel and high-efficiency, makes
Obtain therapeutic equipment surface temperature to substantially reduce, so as to also comply with safety standard, Neng Gouying while considerable therapeutic effect is produced
Among actual production.
The content of the invention
The purpose of this utility model is to provide a kind of LED light treatment equipment driven based on PWM.
The utility model proposes based on PWM drive LED light treat equipment, by medical silica-gel layer 1, LED light source component 2,
Flexible PCB 3, battery+PWM drive controls box 4, non-planar heat conductive silica gel 5 and waist abdomen fixing band 6 are constituted, wherein：Waist abdomen
It is provided with fixing band 6 in groove, the groove and is placed with non-planar heat conductive silica gel 5 and flexible PCB 3 from bottom to top, it is medical
Layer of silica gel 1 is placed on the top of waist abdomen fixing band 6, and the flexible PCB 3 passes through wire connected battery+PWM drive controls box 4；Institute
The one side of non-planar heat conductive silica gel 5 is stated for plane, another side is sawtooth pattern or undaform, the non-planar heat conductive silica gel 5 is flat
Face part is fitted with flexible PCB 3, and LED light source component 2 is evenly distributed with the flexible PCB 3.
In the utility model, the pwm pulse current signal that LED light source component 2 is produced by battery+PWM drive controls box 4
Driving is not less than the average light power density output valve under constant current drive mode with control, the peak optical power density of the signal,
Simultaneously can be by the way of long treatment cycle and low duty ratio.
Phototherapy apparatus of the present utility model almost covers total visible light and infrared and ultraviolet ripple using LED narrower bandwidths, wavelength
Section, the advantage with the easily controllable regulation of spectrum peak, using the peculiar spectrum or spectrum for proving to have obvious curative effects through medical research
Combination, i.e., using one or more high-quality LED combinations, to reach the immunotherapy targeted autoantibody effect to specified disease.
The heat abstractor of LED light source component uses non-planar heat conductive silica gel, and its structure type includes but is not limited to wave
Type and zigzag.The heat abstractor can significantly increase internal components and extraneous air to flow area, dissipated so as to effectively strengthen
Heat energy power.
In addition, using the compact compact advantage of LED component, large area soft body structure can be produced as.Its matching component includes
But it is not limited to flexible PCB and the even photosphere of fexible film silica gel.In combination with above-mentioned non-planar heat conductive silica gel and pwm pulse
Type of drive so that the safety of therapeutic equipment surface temperature regulations of rules related less than country is reached the standard grade 42 DEG C of temperature, so as to
Applied to the wearable treatment of pro-skin.
The beneficial effects of the utility model are：First, laser and intense light pulse technology are replaced using high-quality LED.LED is sent out
Go out sheen stimulation, its photodynamic processes non-damage therapy, therefore the body and psychology to patient are without negative effect.Secondly,
Using more advanced flexible PWM type of drive, with reference to non-planar heat conductive silica gel, equipment Output optical power density can be caused
Higher than effective treatment threshold value, it can guarantee that surface temperature is less than the upper limit as defined in national safety standard again.Furthermore, due to LED and its
The characteristics of driving has compact, the phototherapy apparatus is highly suitable to be applied for the wearable treatment of flexible pro-skin.
Brief description of the drawings
Fig. 1 is the principle schematic of light source assembly pwm pulse type of drive described in the utility model.
Fig. 2 is a kind of discrete parts figure of feasible structure of therapeutic equipment described in the utility model.
Fig. 3 is two kinds of feasible structural representations of on-plane surface heat conductive silica gel heat dissipating layer described in the utility model.Wherein：
(a) it is sawtooth pattern,（b）For undaform.
Fig. 4 is a kind of feasible overall structure diagram of therapeutic equipment described in the utility model.
Label in figure：1 is medical silica-gel layer, and 2 be LED light source component, and 3 be flexible PCB, and 4 be battery+PWM drivings
Control box, 5 be non-planar heat conductive silica gel, and 6 be waist abdomen fixing band, and 7 be non-plane thermal conductivity silica gel（Sawtooth pattern）, 8 be on-plane surface
Heat conductive silica gel（Undaform）.
Embodiment
Below with reference to the accompanying drawings technological maheup of the present utility model is made a detailed explanation.
But any change that implementation of the present utility model is not limited in explanation herein, the embodiment and enter one
The improvement of step, and it is shown in this article to being easy to be conceived for the technical staff in field involved by the utility model
Any further application of the utility model principle is also included within interior.Entire chapter illustrates the same structure of same numbering correspondence of middle appearance
Into key element.
Embodiment 1：
Fig. 1 is the waveform diagram of light source assembly pwm pulse type of drive described in the utility model.It is demonstrated experimentally that by
In the limitation of LED heat dissipation technology conditions, the LED temperature rises driven using current constant mode are serious, cause in certain Output optical power
The safe upper temperature of the related regulations of rules of the remote superstate of the surface temperature of therapeutic equipment under density.And driven according to pwm pulse
It is dynamic then can effectively solve this problem.As needed, pulse cycle frequency can be set above to human eye fusion frequency so that
Patient is identical to the output photoreception under two kinds of type of drive.Under the current pulse signal, the peak optical power density of equipment
It is equal to（It is not less than）Average light power density output valve under constant current drive mode, it is same to ensure to produce（It is even more excellent）Control
Therapeutic effect.Meanwhile, can actually have in one cycle by the way of low duty ratio and be in idle state for a long time
（In the t2 periods）, this greatly reduces the cooling requirements of device.In addition, the on-plane surface heat conductive silica gel structure of combined innovation type,
So as to effectively reduction device surface temperature.
Fig. 2 is a kind of feasible structural representation of therapeutic equipment described in the utility model.The equipment includes medical silica-gel
Layer 1, LED light source component 2, flexible PCB 3, battery+PWM drive controls box 4, non-planar heat conductive silica gel 5.Wherein, it is non-flat
Face type heat conductive silica gel 5 is including but not limited to undaform and sawtooth pattern, as shown in Figure 3.Because the therapeutic equipment is that flexible pro-skin can be worn
Wear design, therefore divided by outside upper core texture part, should also contain wearable property constituent components, such as waist abdomen fixing band 6.On-plane surface
Type thermal grease 5, flexible PCB 3, medical silica-gel layer 1 is assemblied in waist abdomen fixing band 6 from bottom to up successively.Flexible PCB
LED light source component 2 is housed, in actual use, patient is by battery+PWM drive controls box 4 first by external power source on 3
Phototherapy apparatus charges, and phototherapy apparatus then is fixed on into position to be treated by waist abdomen fixing band 6, as shown in Figure 4.Equipment starts
Afterwards, the LED light source component 2 for being routed at flexible PCB 3 sends the light group of some strength and wavelength with therapeutic effect, passes through
After the even light of medical silica-gel layer mixing, the treatment of comfortable safety is provided for patient.
Claims (2)
1. a kind of treat equipment based on the LED light that PWM drives, by medical silica-gel layer (1), LED light source component (2), flexible PCB
(3), battery+PWM drive controls box (4), non-planar heat conductive silica gel (5) and waist abdomen fixing band (6) composition, it is characterised in that：
It is provided with waist abdomen fixing band (6) in groove, the groove and is placed with non-planar heat conductive silica gel (5) and flexible circuit from bottom to top
Plate (3), medical silica-gel layer (1) is placed on above waist abdomen fixing band (6), the flexible PCB (3) by wire connected battery+
PWM drive controls box (4)；The non-planar heat conductive silica gel (5) is simultaneously plane, and another side is sawtooth pattern or undaform, institute
State non-planar heat conductive silica gel (5) planar section to fit with flexible PCB (3), be uniformly distributed on the flexible PCB (3)
There is LED light source component (2).
2. it is according to claim 1 based on PWM drive LED light treat equipment, it is characterised in that LED light source component (2) by
The driving of pwm pulse current signal and control, the peak optical power density of the signal that battery+PWM drive controls box (4) is produced
It is not less than the average light power density output valve under constant current drive mode, while can be using long treatment cycle and the side of low duty ratio
Formula.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621175253.3U CN206526411U (en) | 2016-10-25 | 2016-10-25 | It is a kind of that equipment is treated based on the LED light that PWM drives |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621175253.3U CN206526411U (en) | 2016-10-25 | 2016-10-25 | It is a kind of that equipment is treated based on the LED light that PWM drives |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206526411U true CN206526411U (en) | 2017-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621175253.3U Active CN206526411U (en) | 2016-10-25 | 2016-10-25 | It is a kind of that equipment is treated based on the LED light that PWM drives |
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| CN (1) | CN206526411U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106334272A (en) * | 2016-10-25 | 2017-01-18 | 复旦大学 | PWM driven LED light therapy device |
-
2016
- 2016-10-25 CN CN201621175253.3U patent/CN206526411U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106334272A (en) * | 2016-10-25 | 2017-01-18 | 复旦大学 | PWM driven LED light therapy device |
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