CN113598942B - Laser appearance that moults - Google Patents
Laser appearance that moults Download PDFInfo
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- CN113598942B CN113598942B CN202110873832.4A CN202110873832A CN113598942B CN 113598942 B CN113598942 B CN 113598942B CN 202110873832 A CN202110873832 A CN 202110873832A CN 113598942 B CN113598942 B CN 113598942B
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- light emitting
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
- A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
- A61B2018/00452—Skin
- A61B2018/00476—Hair follicles
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00642—Sensing and controlling the application of energy with feedback, i.e. closed loop control
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00696—Controlled or regulated parameters
- A61B2018/00702—Power or energy
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00773—Sensed parameters
- A61B2018/00791—Temperature
Abstract
The invention provides a laser depilation instrument, which comprises a controller and a temperature sensor arranged on a skin contact surface of the laser depilation instrument, wherein the temperature sensor is used for monitoring a temperature value of the skin contact surface. The invention has the beneficial effects that: by the laser hair removal instrument, the problems of use interruption and danger caused by overhigh temperature when the laser hair removal instrument is used for a long time are solved.
Description
Technical Field
The invention belongs to the field of laser depilation instruments, and particularly relates to a laser depilation instrument.
Background
The principle of the laser hair removal device is that laser can penetrate through the surface layer of skin to reach the root hair follicle of hair through reasonable laser wavelength, energy and pulse width. The light energy is absorbed and converted into heat energy which can destroy hair follicle tissues, so that the hairs lose the regeneration capacity, and the equipment belongs to equipment with larger power and larger heat productivity, so that the equipment can work abnormally due to overhigh temperature after long-time continuous work, even the human tissues can be burnt, and irreversible permanent damage is caused. In the prior art, the temperature of the surface of a depilating head is monitored to judge whether the temperature exceeds a set value or not, and when the temperature exceeds the set value, a protection circuit on a laser depilating instrument stops working and needs to wait for a long time for cooling, so that the working mode is not friendly.
Disclosure of Invention
In order to overcome the disadvantages indicated in the prior art, the present invention provides a laser hair removal device: through monitoring the temperature parameter (prior art) of equipment and user skin contact surface, the light-emitting speed of intelligent adjustment, adjustment light-emitting energy, or adjust light-emitting speed and light-emitting energy simultaneously, guarantee that equipment can uninterrupted duty.
A laser depilation instrument comprises a controller and a temperature sensor arranged on a skin contact surface of the laser depilation instrument, wherein the temperature sensor is used for monitoring a temperature value of the skin contact surface, the controller comprises an algorithm unit, the algorithm unit is used for receiving the temperature value and calculating a conclusion based on the temperature value, and the controller controls light emitting speed and light emitting energy based on the conclusion, wherein the algorithm unit is used for judging whether the temperature value is in a set range, if so, the laser depilation instrument continues to work, and if not, the laser depilation instrument performs light emitting speed adjustment, light emitting energy adjustment or light emitting speed adjustment and light emitting energy adjustment at the same time;
the method is characterized in that an algorithm unit of the controller presets and adjusts a starting threshold temperature to be T, the minimum value of a temperature change interval is set to be T1, the maximum value of the temperature change interval is set to be T2, a numerical value T1< T2< T, n is any natural number:
when the temperature value monitored by the temperature sensor is lower than T, the equipment works normally;
when the temperature value is greater than T, the light emitting speed is reduced to be x% of the normal light emitting speed, and after the temperature value is continued for a certain period, the temperature is monitored again;
when the temperature value is lower than T1, the temperature change amplitude is judged to be too large, at the moment, the light emitting speed is increased to be x1% of the normal light emitting speed, and the formula expression is as follows: x1= (100- (100-x)/n); and monitoring the temperature again, if the temperature amplitude is continuously judged to be too large, continuously increasing the light emitting speed to be x2% of the normal light emitting speed, and expressing by a formula: x2= (100- (100-x 1)/n);
when the temperature value is higher than T2, the temperature change amplitude is judged to be too small, at the moment, the light emitting speed is reduced to x3% of the normal light emitting speed, and the formula expression is as follows: x3= (100- (100-x) × n); and monitoring the temperature again, and if the temperature change amplitude is judged to be too small continuously, continuously increasing the light emitting speed to be x4% of the normal light emitting speed, and expressing by a formula: x4= (100- (100-x 3) × n);
if the temperature value is between the T1 and the T2, the existing light emitting speed is continuously maintained until the temperature is not within the range of T1-T2;
when the temperature value monitored by the temperature sensor is lower than T, the equipment works normally;
when the temperature value is greater than T, the controller reduces the light emitting energy to be y% of the normal light emitting energy, and after the temperature value is continued for a certain period, the temperature is monitored again;
if the temperature value is lower than T1, the temperature change amplitude is judged to be too large, at the moment, the light-emitting energy is improved to be y1% of the normal light-emitting energy, and the formula expression is as follows: y1= (100- (100-y)/n); and monitoring the temperature again, if the temperature change amplitude is judged to be too large continuously, continuously increasing the light emitting energy to be y2% of the normal light emitting energy, and expressing by a formula: y2= (100- (100-y 1)/n);
if the temperature value is larger than T2, the temperature change amplitude is judged to be too small, at the moment, the light emitting speed is reduced to be y3% of the normal light emitting speed, and the formula is expressed as follows: y3= (100- (100-y) × n); and monitoring the temperature again, if the temperature change amplitude is judged to be too small, increasing the light-emitting energy to be y4% of the normal light-emitting energy, and expressing by a formula: y4= (100- (100-y 3) × n);
and if the temperature value is between T1 and T2, the existing light emitting energy is continuously maintained until the temperature is out of the range of T1 and T2.
Further, the controller is used for adjusting the pulse interval according to the conclusion of the algorithm unit so as to adjust the light emitting speed.
Further, the controller is used for adjusting the pulse width according to the conclusion of the algorithm unit so as to adjust the light energy.
Further, the controller is used for adjusting the pulse width so as to adjust the light emitting energy, or simultaneously adjusting the pulse interval so as to adjust the light emitting speed.
Further, the algorithm unit presets an adjustment start threshold temperature T, a minimum light extraction speed x (min), and a minimum light extraction energy y (min):
when the temperature value is less than T, the equipment normally works;
when the temperature value is greater than T, the light emitting speed is adjusted;
after multiple adjustments, when the light emitting speed is less than or equal to x (min), the light emitting speed cannot be reduced continuously, and the light emitting energy starts to be adjusted at the moment.
Furthermore, the algorithm unit presets and adjusts the starting threshold temperature to be T, the lowest light-emitting speed to be x (min) and the lowest light-emitting energy to be y (min);
when the temperature sensor monitors that the temperature value is lower than T, the equipment works normally;
when the temperature sensor monitors that the temperature value is greater than T, the light emitting energy is adjusted;
and when the light emitting energy is less than or equal to y (min), the light emitting energy cannot be reduced continuously, and the light emitting speed is adjusted.
Further, the controller can adjust the light emitting speed first or adjust the light emitting energy first or adjust the light emitting speed and the light emitting energy simultaneously.
The invention has the beneficial effects that: by the laser hair removal instrument, the problems of use interruption and danger caused by overhigh temperature when the laser hair removal instrument is used for a long time are solved.
Drawings
Fig. 1 is a block diagram of a control system according to an embodiment of the present invention.
Fig. 2 is a flow chart of adjusting the light emitting speed according to the embodiment of the invention.
Fig. 3 is a flow chart of adjusting light output energy according to an embodiment of the invention.
Fig. 4 is a flow chart of adjusting the light output energy or speed according to an embodiment of the invention.
Detailed Description
The present invention is further illustrated by the following examples, which are only a part of the examples of the present invention, and these examples are only for explaining the present invention and do not limit the scope of the present invention.
As shown in fig. 1, a laser depilation instrument, a temperature sensor is arranged on a skin contact surface of the laser depilation instrument, the temperature sensor monitors a temperature value of the skin contact surface, a controller comprises an algorithm unit, the temperature value is transmitted to the algorithm unit of the laser depilation instrument, the controller controls light emitting speed and light emitting energy according to a conclusion obtained by the algorithm unit, the algorithm unit continues working according to whether the temperature value is in a set range, if so, the controller executes continuous working, and if not, the controller executes adjustment of the light emitting speed and the light emitting energy or simultaneous adjustment of the light emitting speed and the light emitting energy.
As shown in fig. 1 and 4, the controller adjusts the pulse interval according to the result of the arithmetic unit so as to adjust the light emitting speed. And the controller adjusts the pulse width according to the result of the algorithm unit so as to adjust the light emitting energy. The controller adjusts the pulse width to adjust the light emitting energy or simultaneously adjusts the pulse interval to adjust the light emitting speed.
The method comprises the steps that an algorithm unit of the controller presets and adjusts a starting threshold temperature to be T, the minimum value of a temperature change interval is set to be T1, the maximum value of the temperature change interval is set to be T2, a numerical value T1< T2< T, n is any natural number, and the maximum value of the temperature change interval is smaller than the threshold T.
When the temperature value monitored by the temperature sensor is lower than T, the equipment works normally;
when the temperature value is greater than T, the light emitting speed is reduced to be x% of the normal light emitting speed, and after the temperature value is continued for a certain period, the temperature is monitored again;
when the temperature value is lower than T1, the temperature change amplitude is judged to be too large, at the moment, the light emitting speed is improved to be x1% of the normal light emitting speed, and the formula expression is as follows: x1= (100- (100-x)/n); and monitoring the temperature again, if the temperature amplitude is continuously judged to be too large, continuously increasing the light emitting speed to be x2% of the normal light emitting speed, and expressing by a formula: x2= (100- (100-x 1)/n);
when the temperature value is higher than T2, the temperature change amplitude is judged to be too small, at the moment, the light emitting speed is reduced to x3% of the normal light emitting speed, and the formula expression is as follows: x3= (100- (100-x) × n); monitoring the temperature again, if the temperature change amplitude is judged to be too small continuously, continuously increasing the light emitting speed to be x4% of the normal light emitting speed, and expressing by a formula: x4= (100- (100-x 3) × n);
if the temperature value is between the T1 and the T2, continuously maintaining the existing light-emitting speed until the temperature is not within the range of T1-T2;
when the temperature value monitored by the temperature sensor is lower than T, the equipment works normally;
when the temperature value is greater than T, the controller reduces the light emitting energy to be y% of the normal light emitting energy, and after the temperature value is continued for a certain period, the temperature is monitored again;
if the temperature value is lower than T1, the temperature change amplitude is judged to be too large, at the moment, the light-emitting energy is improved to be y1% of the normal light-emitting energy, and the formula expression is as follows: y1= (100- (100-y)/n); and monitoring the temperature again, if the temperature change amplitude is judged to be too large, increasing the light-emitting energy to be y2% of the normal light-emitting energy, and expressing by a formula: y2= (100- (100-y 1)/n);
if the temperature value is greater than T2, the temperature change amplitude is judged to be too small, at the moment, the light emitting speed is reduced to be y3% of the normal light emitting speed, and the formula is expressed as follows: y3= (100- (100-y) × n); and monitoring the temperature again, if the temperature change amplitude is judged to be too small continuously, increasing the light emitting energy to be y4% of the normal light emitting energy continuously, and expressing by a formula: y4= (100- (100-y 3) × 2);
and if the temperature value is between T1 and T2, the existing light emitting energy is continuously maintained until the temperature exceeds the range of T1 and T2.
As shown in fig. 2, the algorithm unit presets the adjustment start threshold temperature as T, the lowest light-emitting speed as x (min), and the lowest light-emitting energy as y (min):
when the temperature value is less than T, the equipment normally works;
when the temperature value is greater than T, the light emitting speed is adjusted;
after multiple adjustments, when the light emitting speed is less than or equal to x (min), the light emitting speed cannot be reduced continuously, and the light emitting energy starts to be adjusted at the moment.
As shown in fig. 3, the algorithm unit presets the adjustment start threshold temperature as T, the minimum light-emitting speed as x (min), and the minimum light-emitting energy as y (min):
when the temperature sensor monitors that the temperature value is lower than T, the equipment works normally;
when the temperature sensor monitors that the temperature value is greater than T, the light emitting energy is adjusted;
and when the light emitting energy is less than or equal to y (min), the light emitting energy cannot be reduced continuously, and the light emitting speed is adjusted.
After the equipment is started and enters a normal use state, the temperature acquisition unit acquires temperature parameters reflected on the temperature sensor unit, the temperature parameters are sent to the algorithm unit for calculation, the light emitting speed or the light emitting energy or both are adjusted by the controller after a result is obtained, and light is emitted by the light emitting unit after the adjustment.
The first embodiment is as follows:
taking one of the laser depilation instruments as an example, the implementation process is as follows:
A. when the equipment is started, the temperature is about 25 ℃;
B. after working for a certain time, the temperature is increased to T2=42 ℃, and is closer to a preset threshold value T =45 ℃;
C. the algorithm unit judges that the temperature is close to a threshold value, and an adjustment scheme needs to be started for cooling;
D. the controller adjusts the light emitting speed to be x1=50% of the default speed;
E. after 20 minutes of maintenance, the temperature drop T1=35 ℃ is 36.5 ℃ lower than the human body temperature;
F. the algorithm unit judges that the adjustment amplitude is too large, the adjustment scheme needs to be corrected, and the light emitting speed is instructed to be increased;
G. the controller adjusts the light emitting speed to be x2=75% of the default;
H. maintaining for 15 minutes, and increasing the temperature to 42 ℃;
I. judging that the overtemperature risk still exists by the algorithm unit, and starting the cooling scheme again by an instruction;
J. the controller reduces the light emission energy to default y1=90%;
K. after 30 minutes of maintenance, the temperature is always kept around 40 ℃.
L, finishing the unhairing workflow by the user.
Because the laser depilating apparatus has different models and different temperature threshold values T, the values of the temperature change ranges T1 and T2 can be set by combining the threshold values.
Although the present invention has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the present invention.
Claims (7)
1. A laser depilation instrument comprises a controller and a temperature sensor arranged on a skin contact surface of the laser depilation instrument, wherein the temperature sensor is used for monitoring a temperature value of the skin contact surface, the laser depilation instrument is characterized in that the controller comprises an algorithm unit, the algorithm unit is used for receiving the temperature value and calculating a conclusion based on the temperature value, the controller controls light emitting speed and light emitting energy based on the conclusion, the algorithm unit is used for judging whether the temperature value is in a set range, if so, the laser depilation instrument continues to work, and if not, the laser depilation instrument performs adjustment of the light emitting speed and the light emitting energy or simultaneously adjusts the light emitting speed and the light emitting energy;
an algorithm unit of the controller presets and adjusts the starting threshold temperature to be T, the minimum value of a temperature change interval is set to be T1, the maximum value of the temperature change interval is set to be T2, and the numerical value T1 is less than T2 and less than T;
when the temperature value monitored by the temperature sensor is lower than T, the equipment works normally;
when the temperature value is greater than T, the light emitting speed is reduced to be x% of the normal light emitting speed, and after the temperature value is continued for a certain period, the temperature is monitored again;
when the temperature value is lower than T1, the temperature change amplitude is judged to be too large, at the moment, the light emitting speed is improved to be x1% of the normal light emitting speed, and the formula expression is as follows: x1= (100- (100-x)/n); and monitoring the temperature again, if the temperature amplitude is continuously judged to be too large, continuously increasing the light emitting speed to be x2% of the normal light emitting speed, and expressing by a formula: x2= (100- (100-x 1)/n);
when the temperature value is higher than T2, the temperature change amplitude is judged to be too small, at the moment, the light emitting speed is reduced to x3% of the normal light emitting speed, and the formula expression is as follows: x3= (100- (100-x) × n); and monitoring the temperature again, and if the temperature change amplitude is judged to be too small continuously, continuously increasing the light emitting speed to be x4% of the normal light emitting speed, and expressing by a formula: x4= (100- (100-x 3) × n);
if the temperature value is between the T1 and the T2, continuously maintaining the existing light-emitting speed until the temperature is not within the range of T1-T2;
when the temperature value monitored by the temperature sensor is lower than T, the equipment works normally;
when the temperature value is greater than T, the controller reduces the light emitting energy to be y% of the normal light emitting energy, and after the temperature value is continued for a certain period, the temperature is monitored again;
if the temperature value is lower than T1, the temperature change amplitude is judged to be too large, at the moment, the light-emitting energy is improved to be y1% of the normal light-emitting energy, and the formula expression is as follows: y1= (100- (100-y)/n); and monitoring the temperature again, if the temperature change amplitude is judged to be too large, increasing the light-emitting energy to be y2% of the normal light-emitting energy, and expressing by a formula: y2= (100- (100-y 1)/n);
if the temperature value is greater than T2, the temperature change amplitude is judged to be too small, at the moment, the light emitting speed is reduced to be y3% of the normal light emitting speed, and the formula is expressed as follows: y3= (100- (100-y) × n); and monitoring the temperature again, if the temperature change amplitude is judged to be too small continuously, increasing the light emitting energy to be y4% of the normal light emitting energy continuously, and expressing by a formula: y4= (100- (100-y 3) × n), n is any natural number;
and if the temperature value is between T1 and T2, continuously maintaining the existing emergent light energy until the temperature is out of the range of T1 and T2.
2. An epilating apparatus as claimed in claim 1, characterized in that the controller is adapted to adjust the pulse interval and thus the light exit speed in dependence on the conclusion of the arithmetic unit.
3. An epilating apparatus as claimed in claim 1, characterized in that the controller is adapted to adjust the pulse width and thus the light energy in dependence on the conclusions of the algorithm unit.
4. An epilator as claimed in claim 1, wherein the controller is configured to adjust the pulse width to adjust the light output energy or the pulse interval to adjust the light output speed.
5. A depilating apparatus as claimed in claim 1, wherein the arithmetic unit presets an adjustment threshold temperature T, a minimum light extraction speed a (min), a minimum light extraction energy b (min):
when the temperature value is less than T, the equipment works normally;
when the temperature value is greater than T, the light emitting speed is adjusted;
after multiple adjustments, when the light emitting speed is less than or equal to a (min), the light emitting speed cannot be reduced continuously, and the light emitting energy starts to be adjusted at the moment.
6. A depilatory apparatus as claimed in claim 1, wherein the algorithm unit presets the adjustment threshold temperature T, the minimum light extraction speed a (min) and the minimum light extraction energy b (min);
when the temperature sensor monitors that the temperature value is lower than T, the equipment works normally;
when the temperature sensor monitors that the temperature value is greater than T, the light emitting energy is adjusted;
and when the light emitting energy is less than or equal to b (min), the light emitting energy cannot be reduced continuously, and the light emitting speed is adjusted.
7. A depilation instrument as claimed in claim 5 or 6, characterized in that the controller is adapted to adjust the light emission speed first or the light emission power first or both.
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| CN202110873832.4A CN113598942B (en) | 2021-07-30 | 2021-07-30 | Laser appearance that moults |
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| EP1582236A1 (en) * | 2004-03-31 | 2005-10-05 | Terumo Kabushiki Kaisha | Medical energy irradiating apparatus |
| CN109814085A (en) * | 2018-12-18 | 2019-05-28 | 歌尔股份有限公司 | A kind of laser radar temperature-compensation method, device, system and equipment |
| CN209766846U (en) * | 2019-05-29 | 2019-12-10 | 西安炬光科技股份有限公司 | temperature control assembly and solid laser with same |
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| HUE028578T2 (en) * | 2006-07-13 | 2016-12-28 | Reliant Tech Llc | Apparatus for adjustable fractional optical dermatological treatment |
| CN109620401B (en) * | 2018-11-23 | 2020-06-05 | 北京镭特医疗科技有限公司 | Semiconductor laser depilation control device and method |
| CN109603013B (en) * | 2018-11-23 | 2019-09-20 | 北京镭特医疗科技有限公司 | A kind of multifunctional combination beauty instrument and its working method |
| KR102424549B1 (en) * | 2019-10-25 | 2022-07-27 | 원텍 주식회사 | A laser apparatus for removing fatty tissue |
| CN213283324U (en) * | 2020-08-27 | 2021-05-28 | 深圳市吉瑞德隆电子科技有限公司 | Double-optical-filter heat-dissipation depilating instrument |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1582236A1 (en) * | 2004-03-31 | 2005-10-05 | Terumo Kabushiki Kaisha | Medical energy irradiating apparatus |
| CN109814085A (en) * | 2018-12-18 | 2019-05-28 | 歌尔股份有限公司 | A kind of laser radar temperature-compensation method, device, system and equipment |
| CN209766846U (en) * | 2019-05-29 | 2019-12-10 | 西安炬光科技股份有限公司 | temperature control assembly and solid laser with same |
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