CN109394341B - Laser output device and laser output system - Google Patents
Laser output device and laser output system Download PDFInfo
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- CN109394341B CN109394341B CN201811478819.3A CN201811478819A CN109394341B CN 109394341 B CN109394341 B CN 109394341B CN 201811478819 A CN201811478819 A CN 201811478819A CN 109394341 B CN109394341 B CN 109394341B
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- 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
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- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
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- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
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- A61B2018/00791—Temperature
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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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- A61B2018/202—Laser enclosed in a hand-piece
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Abstract
The invention relates to the technical field of laser treatment head circuit structures, and discloses a laser output device, a laser output system and a laser output method. The laser output device includes: the device comprises a laser emitting head, a pressure sensor, a temperature controller, an acceleration sensor, a displacement sensor, a microprocessor and a communication module for connecting the microprocessor, a host and external equipment. The microprocessor is used for sending a temperature adjusting signal obtained by processing according to the skin temperature signal and the transmitting head temperature signal to the temperature controller, controlling the temperature controller to adjust the temperature of the laser transmitting head, sending a laser adjusting signal obtained by processing according to the skin pressure signal, the skin temperature signal, the transmitting head acceleration signal, the transmitting head speed signal and the transmitting head displacement signal to the host machine, and adjusting the laser output frequency of the host machine. The laser output device, the laser output system and the laser output method are high in treatment efficiency.
Description
Technical Field
The invention relates to the technical field of laser treatment head circuit structures, in particular to a laser output device and a laser output system.
Background
Laser depilation is a device for heating hair through selective absorption of the hair to laser and laser thermal effect, and the device needs to be in good contact with skin to directly inject laser energy into subcutaneous hair, so as to heat the hair, increase the temperature of the hair and effectively destroy hair follicles. The prior art adopts a key or a photoelectric type, the key mode needs to be pressed all the time to emit laser, or a specific mode is triggered to emit laser, the use is inconvenient, and the conditions of uneven treatment of a region to be treated, poor treatment effect, low treatment efficiency and long treatment period exist.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a laser output device, a laser output system and a laser output method, which can solve the technical problems of inconvenient use and poor treatment effect of laser treatment equipment in the prior art.
A first aspect of the present invention provides a laser output apparatus, including:
the laser emitting head is used for being connected with the host and outputting laser;
a pressure sensor for contacting the skin and detecting a skin pressure signal of the skin;
the temperature controller is used for detecting a skin temperature signal and a transmitting head temperature signal of the laser transmitting head and receiving a temperature adjusting signal sent by the microprocessor;
the acceleration sensor is used for detecting an emitting head acceleration signal and an emitting head speed signal of the laser emitting head;
the displacement sensor is used for detecting a transmitting head displacement signal of the laser transmitting head;
the microprocessor is used for receiving the skin pressure signal, the skin temperature signal, the emitting head acceleration signal, the emitting head speed signal and the emitting head displacement signal, controlling the pressure sensor, the temperature controller, the acceleration sensor and the displacement sensor to work, sending the temperature adjusting signal obtained by processing the received skin temperature signal and the emitting head temperature signal to the temperature controller, controlling the temperature controller to adjust the temperature of the laser emitting head, and sending the laser adjusting signal obtained by processing the received skin pressure signal, the skin temperature signal, the emitting head acceleration signal, the emitting head speed signal and the emitting head displacement signal to the host computer, adjusting the laser output power of the host;
and the communication module is used for connecting the microprocessor with the host and the external equipment.
Optionally, the pressure sensor includes:
the pressure sensing pieces are used for sensing skin contact pressure when the laser emitting head is attached to the skin and obtaining skin contact signals;
the rigid substrate is used for supporting the pressure sensing piece so that the pressure sensing piece is stressed uniformly;
the protective silica gel is used for protecting the pressure sensing sheet and conducting the skin contact pressure to the pressure sensing sheet;
and the signal conversion circuit is used for converting the skin contact signal acquired by the pressure sensing sheet into a voltage signal type skin pressure signal which can be processed by the microprocessor.
Optionally, the laser emitting head includes:
the optical waveguide is used for shaping the original laser emitted by the host machine through the optical fiber into spot type laser capable of directly irradiating the skin;
and the optical fiber interface is used for connecting the optical fiber and the optical waveguide.
Optionally, the temperature controller includes:
the temperature detection circuit is used for detecting the skin temperature signal and the transmitting head temperature signal;
the temperature control unit is used for receiving the skin temperature signal, the emitting head temperature signal and the temperature adjusting signal sent by the microprocessor, and adjusting the temperature of the laser emitting head according to the temperature adjusting signal.
Optionally, the microprocessor includes:
the position comparison module is used for judging whether the displacement signal of the transmitting head reaches a position threshold value;
the speed comparison module is used for judging whether the acceleration signal of the transmitting head reaches an acceleration threshold value or not and judging whether the speed signal of the transmitting head reaches a speed threshold value or not;
the pressure comparison module is used for judging whether the skin pressure signal reaches a pressure threshold value;
the temperature comparison module is used for judging whether the transmitting head temperature signal reaches a transmitting head temperature threshold value or not and judging whether the skin temperature signal reaches a skin temperature threshold value or not;
the driving module is used for receiving driving instructions generated by the position comparison module, the pressure comparison module and the temperature comparison module and forwarding the driving instructions to the processing module when the transmitting head displacement signal does not reach the position threshold, the skin pressure signal reaches the pressure threshold, the transmitting head temperature signal does not reach the transmitting head temperature threshold and the skin temperature signal does not reach the skin temperature threshold;
the frequency reduction module is used for receiving a frequency reduction instruction generated by the speed comparison module and forwarding the frequency reduction instruction to the processing module when the acceleration signal of the transmitting head is lower than the acceleration threshold or the speed signal of the transmitting head is lower than the speed threshold and is not 0;
the frequency raising module is used for receiving the frequency raising instruction generated by the speed comparison module and forwarding the frequency raising instruction to the processing module when the acceleration signal of the transmitting head is higher than the acceleration threshold or the speed signal of the transmitting head is higher than the speed threshold;
the stopping module is used for receiving a stopping instruction generated by the position comparing module and/or the pressure comparing module and/or the temperature comparing module and/or the speed comparing module and forwarding the stopping instruction to the processing module when the transmitting head displacement signal reaches the position threshold and/or the skin pressure signal does not reach the pressure threshold and/or the transmitting head temperature signal reaches the transmitting head temperature threshold and/or the skin temperature signal reaches the skin temperature threshold and/or the transmitting head speed signal reaches 0 and the transmitting head acceleration signal reaches 0;
the temperature reduction module is used for receiving a temperature reduction instruction generated by the temperature comparison module and forwarding the temperature reduction instruction to the processing module when the transmitting head temperature signal reaches the transmitting head temperature threshold and/or the skin temperature signal reaches the skin temperature threshold;
the processing module is used for responding to the operation of opening, closing or controlling the laser output device of a user, generating and sending a working instruction to the pressure sensor, the temperature controller 3, the acceleration sensor and the displacement sensor, controlling the pressure sensor, the temperature controller 3, the acceleration sensor and the displacement sensor to work, receiving the skin pressure signal, the skin temperature signal, the emitter acceleration signal, the emitter speed signal and the emitter displacement signal, receiving and forwarding the driving instruction to the host, driving the host to emit laser, receiving and forwarding the frequency reduction instruction to the host, reducing the output frequency of the laser emitted by the host, receiving and forwarding the frequency increase instruction to the host, and increasing the output frequency of the laser emitted by the host, receiving and forwarding the stop instruction to the host, stopping the host from emitting the laser, receiving and forwarding the cooling instruction to the temperature controller, and controlling the temperature controller to reduce the temperature of the laser emitting head.
Optionally, the microprocessor further includes: the position updating module is used for storing and updating the displacement signal of the transmitting head into the position threshold in real time and sending the position threshold to the position comparing module;
when the current emitter displacement signal is the same as the emitter displacement signal stored in the position threshold, the position comparison module generates and sends a stop instruction to the stop module, and the stop module forwards the stop instruction to the host to stop the host from emitting laser.
A second aspect of the present invention provides a laser output system, which includes a host and the laser output device according to the first aspect of the present invention, and the laser output device is connected to the host through the communication module.
Optionally, the system further includes a power module for supplying power to the laser emitting head, the pressure sensor, the temperature controller, the acceleration sensor, the displacement sensor, the microprocessor and the communication module.
A third aspect of the present invention provides a laser output method, including:
s1, acquiring the skin pressure signal, the skin temperature signal, the emitter displacement signal, the emitter acceleration signal and the emitter speed signal;
s2, processing the acquired skin temperature signal and the acquired emitter temperature signal to obtain the temperature adjustment signal, and processing the acquired skin pressure signal, the acquired skin temperature signal, the acquired emitter displacement signal, the acquired emitter acceleration signal and the acquired emitter speed signal to obtain the laser adjustment signal;
s3, adjusting the temperature of the laser emitting head according to the temperature adjusting signal, and adjusting the laser output power of the host according to the laser adjusting signal.
Optionally, the step of S2 includes:
s2-1, judging whether the emitter displacement signal reaches a position threshold value, judging whether the emitter acceleration signal reaches an acceleration threshold value, judging whether the emitter speed signal reaches a speed threshold value, judging whether the skin pressure signal reaches a pressure threshold value, judging whether the emitter temperature signal reaches an emitter temperature threshold value and judging whether the skin temperature signal reaches a skin temperature threshold value;
s2-2, when the emitter displacement signal does not reach the position threshold, the skin pressure signal reaches the pressure threshold, the emitter temperature signal does not reach the emitter temperature threshold, and the skin temperature signal does not reach the skin temperature threshold, driving the host to emit laser; or
When the acceleration signal of the emitting head is lower than the acceleration threshold or the velocity signal of the emitting head is lower than the velocity threshold and is not 0, reducing the output frequency of the laser emitted by the host; or
When the acceleration signal of the emitting head is higher than the acceleration threshold or the velocity signal of the emitting head is higher than the velocity threshold, increasing the output frequency of the laser emitted by the host; or
When the transmitting head displacement signal reaches the position threshold value and/or the skin pressure signal does not reach the pressure threshold value and/or the transmitting head temperature signal reaches the transmitting head temperature threshold value and/or the skin temperature signal reaches the skin temperature threshold value and/or the transmitting head speed signal reaches 0 and the transmitting head acceleration signal reaches 0, stopping the host from transmitting laser; or
And when the emitting head temperature signal reaches the emitting head temperature threshold value and/or the skin temperature signal reaches the skin temperature threshold value, reducing the temperature of the laser emitting head.
According to the laser output device, the laser output system and the laser output method, the temperature of the laser emitting head is controlled by the device or the system through the temperature controller, the laser adjusting signal obtained by processing the sensor signal detected by each sensor is sent to the host, and the laser output power of the host is controlled, so that the area to be treated on the skin can be uniformly treated, and the treatment efficiency is high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of a laser output device provided in the present invention;
FIG. 2 is a schematic structural diagram of another embodiment of a laser output device provided in the present invention;
FIG. 3 is a flow chart of one embodiment of a laser output method provided by the present invention;
fig. 4 is a detailed flowchart of step S2 in fig. 3 according to the present invention.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making creative efforts based on the embodiments of the present invention, belong to the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a laser output device according to an embodiment of the present invention.
As shown in fig. 1, a laser output device according to an embodiment of the present invention includes: laser emitting head 1, pressure sensor 2, temperature controller 3, acceleration sensor 4, displacement sensor 5, microprocessor 6 and communication module 7.
And a laser emitting head 1 for connecting to a host 20 and outputting laser.
A pressure sensor 2 for contacting the skin and detecting a skin pressure signal of the skin.
And the temperature controller 3 is used for detecting a skin temperature signal and a transmitting head temperature signal of the laser transmitting head 1 and receiving a temperature adjusting signal sent by the microprocessor 6.
The acceleration sensor 4 is used for detecting a head acceleration signal and a head speed signal of the laser emitting head 1, and the acceleration is calculated according to the speed, so that the acceleration sensor 4 can simultaneously detect the speed and the acceleration of the laser emitting head 1.
And the displacement sensor 5 is used for detecting a transmitting head displacement signal of the laser transmitting head 1.
And the microprocessor 6 is used for receiving the skin pressure signal, the skin temperature signal, the emitter acceleration signal, the emitter speed signal and the emitter displacement signal, controlling the pressure sensor 2, the temperature controller 3, the acceleration sensor 4 and the displacement sensor 5 to work, sending a temperature adjusting signal obtained by processing the received skin temperature signal and the emitter temperature signal to the temperature controller 3, controlling the temperature controller 3 to adjust the temperature of the laser emitter 1, sending a laser adjusting signal obtained by processing the received skin pressure signal, the skin temperature signal, the emitter acceleration signal, the emitter speed signal and the emitter displacement signal to the host 20, and adjusting the laser output power of the host 20.
And a communication module 7 for connecting the microprocessor 6 with the host 20 and external devices.
In the invention, the skin pressure signal, the skin temperature signal, the emitter acceleration signal, the emitter speed signal and the emitter displacement signal can be voltage, current, pulse, frequency, phase, light intensity and the like, and the sensor can be determined according to the application of the laser output device in different fields.
It should be noted that, the microprocessor 6 may also store a skin pressure signal, a skin temperature signal, a transmitting head acceleration signal, a transmitting head speed signal, a transmitting head displacement signal, a temperature adjustment signal, and a laser adjustment signal, and send the signals to the host 20 and the external device through the communication module 7, and the microprocessor 6 responds to the user through the communication module 7 to turn on, turn off, or control the operation of the laser output device, so as to turn on, turn off, or control the operation of the pressure sensor 2, the temperature controller 3, the acceleration sensor 4, and the displacement sensor 5; the host 20 can also send the working state signal of the host 20 to the microprocessor 6 through the communication module 7, the user can control various operations of the laser output device on the external device and control the laser output device through the communication module 7, or the laser output device itself has an input keyboard or an input screen, the user can directly input various commands for controlling the laser output device through the input keyboard or the input screen, and then the laser output device is controlled through the communication module 7. In one embodiment of the present invention, the communication module 7 may be selected as an interface circuit, and accordingly, the host 20 also has an interface circuit therein for receiving and transmitting various signals.
In the laser output device according to an embodiment of the present invention, since the temperature of the laser emitting head is controlled by the temperature controller, and the laser output power of the host is controlled by sending the laser adjustment signal obtained by processing the sensor signal detected by each sensor to the host, the region to be treated on the skin can be treated uniformly, and the treatment efficiency is high.
Referring to fig. 2, fig. 2 is a schematic structural diagram of another embodiment of a laser output device according to the present invention.
Further, as shown in fig. 2, the pressure sensor 2 includes: a plurality of pressure sensing pieces 21, a rigid substrate 22, a protective silicone 23, and a signal conversion circuit 24.
And a plurality of pressure sensing pieces 21 for sensing a skin contact pressure applied when the laser emitting head 1 is attached to the skin and obtaining a skin contact signal.
And a rigid substrate 22 for supporting the pressure sensing piece 21 so that the pressure sensing piece 21 is uniformly stressed.
The protective silicone 23 is used for protecting the pressure sensing piece 21 and conducting skin contact pressure to the pressure sensing piece 21, and the surface of the protective silicone 23 should be as smooth as possible so as to be better attached to the skin and avoid scratching the skin.
And the signal conversion circuit 24 is used for converting the skin contact signal acquired by the pressure sensing piece 21 into a voltage signal type skin pressure signal which can be processed by the microprocessor 6, wherein the microprocessor 6 can process the skin pressure signal and the transmitting head displacement signal to obtain the three-dimensional shape and contour of the area to be treated.
In the specific implementation process, the pressure sensing pieces 21 are arranged and supported between the rigid substrate 22 and the protective silica gel 23 according to a certain sequence, when the pressure sensor 2 is in contact with the skin and the laser emitting head 1 moves to different positions on the skin, the shapes and the outlines of the areas to be treated are different, the protective silica gel 23 is attached to the shapes and the outlines of the areas to be treated, so that the skin contact pressures of the pressure sensing pieces 21 are different, and further, a skin contact signal is acquired.
Further, the laser emitting head 1 includes: an optical waveguide 11 and an optical fiber interface 12.
And an optical waveguide 11 for shaping the original laser emitted from the host 20 through the optical fiber into a spot-type laser capable of directly irradiating the skin.
And an optical fiber interface 12 for connecting the optical fiber and the optical waveguide 11.
Preferably, the laser emitting head 1 further includes a emitting head housing (not shown in fig. 2) for accommodating the optical waveguide 11 and the optical fiber interface 12, and the temperature controller 3 performs a cooling process on the laser emitting head 1 by contacting with the emitting head housing, so as to control the temperature of the laser emitting head 1.
Further, the temperature controller 3 includes: a temperature detection circuit 31 and a temperature control unit 32.
The temperature detection circuit 31 is configured to detect a skin temperature signal and a head temperature signal, and preferably, the temperature detection circuit 31 is further configured to detect a room temperature signal and adjust and update the skin temperature threshold and the head temperature threshold according to the room temperature signal.
And the temperature control unit 32 is used for receiving the skin temperature signal, the emitting head temperature signal and the temperature adjusting signal sent by the microprocessor 6, and adjusting the temperature of the laser emitting head 1 according to the temperature adjusting signal.
In general, the temperature control unit 32 adjusts the temperature of the laser emitting head 1 by lowering the temperature of the laser emitting head 1, because the laser output device may cause heat loss, which may cause the temperature of the laser emitting head 1 to rise, and may cause the temperature of the skin to rise, because the laser energy may heat hair and pigment in the skin.
Further, the microprocessor 6 includes: a position comparison module 601, a speed comparison module 602, a pressure comparison module 603, a temperature comparison module 604, a drive module 605, a down-conversion module 606, an up-conversion module 607, a stop module 608, a down-conversion module 609, and a processing module 610.
And the position comparison module 601 is configured to determine whether the transmission head displacement signal reaches a position threshold.
Further, the microprocessor 6 further includes: the location updating module 611 is configured to store and update the transmission head displacement signal to a location threshold in real time, and send the location threshold to the location comparing module 601.
When the current emitter displacement signal is the same as the emitter displacement signal stored in the position threshold, that is, when the moving positions of the laser emitter 1 overlap, the position comparison module 601 generates and sends a stop instruction to the stop module 608, and the processing module 610 receives the stop instruction forwarded by the stop module 608 and continues forwarding the stop instruction to the host 20, so as to stop the host 20 from emitting laser.
The position threshold is a three-dimensional coordinate threshold, and the position threshold will continuously increase three-dimensional coordinate points along with the movement of the laser emitting head 1, and when the three-dimensional coordinate points in the displacement signal of the emitting head are the same as the three-dimensional coordinate points stored in the position threshold, the host 20 stops emitting laser.
The speed comparing module 602 is configured to determine whether the acceleration signal of the transmitting head reaches an acceleration threshold and determine whether the speed signal of the transmitting head reaches a speed threshold. Typically, the acceleration threshold is 0, and the speed threshold is a predetermined threshold greater than 0.
The pressure comparing module 603 is configured to determine whether the skin pressure signal reaches a pressure threshold, where the pressure threshold is a preset threshold that is greater than 0 but infinitely close to 0, i.e. infinitesimal.
The temperature comparing module 604 is configured to determine whether the emitter temperature signal reaches an emitter temperature threshold and determine whether the skin temperature signal reaches a skin temperature threshold. Wherein, human body average skin temperature can be taken as 33.5 degrees centigrade, the room temperature can be taken as 25 degrees centigrade, under the general condition, the temperature of the object is the same with the room temperature, the transmitting head temperature can also be taken as 25 degrees centigrade, namely the skin temperature threshold value can be preset as the temperature threshold value more than 33.5 degrees centigrade, the transmitting head temperature threshold value can be preset as the temperature threshold value more than 25 degrees centigrade, when the room temperature changes, the temperature comparison module 604 can obtain the room temperature signal and update as the transmitting head temperature threshold value, and correspondingly modify the skin temperature threshold value according to the room temperature signal.
It should be noted that, when the user places the laser output device at a certain initial position of the region to be treated, the skin contact pressure is not 0, that is, the skin pressure signal reaches the pressure threshold, the position threshold is updated to the initial position, that is, the emitter displacement signal does not reach the displacement threshold, in general, the skin temperature signal does not reach the skin temperature threshold, the emitter temperature signal does not reach the emitter temperature threshold, the initial speed is 0, the acceleration is unknown, when the time tends to 0, the acceleration tends to infinity or 0, that is, the next second, the laser emitter 1 is moving or stationary, that is, to make the laser output device work at the initial position, then under the condition that the skin contact pressure is greater than 0, the skin temperature signal does not reach the skin temperature threshold, and the emitter temperature signal does not reach the emitter temperature threshold, when the emitter speed is 0 and the emitter acceleration is infinity or 0, or when the speed of the emitting head is more than 0, the laser output device can output laser. When the laser emitting head 1 is stationary in the next second, the position threshold is updated and the head displacement signal is kept unchanged, that is, the movement tracks of the laser emitting head 1 are overlapped, and at this time, the host 20 stops emitting laser.
The driving module 605 is configured to receive the driving instructions generated by the position comparing module 601, the pressure comparing module 603, and the temperature comparing module 604 and forward the driving instructions to the processing module 610 when the transmitting head displacement signal does not reach the position threshold, the skin pressure signal reaches the pressure threshold, the transmitting head temperature signal does not reach the transmitting head temperature threshold, and the skin temperature signal does not reach the skin temperature threshold.
It should be noted that the laser output device can output laser light regardless of whether the head acceleration signal reaches the acceleration threshold or whether the laser emitting head 1 moves, as long as other sensor signals satisfy the conditions of the sensor driving main unit 20.
The down-conversion module 606 is configured to receive a down-conversion instruction generated by the speed comparison module 602 and forward the down-conversion instruction to the processing module 610 when the transmission head acceleration signal is lower than the acceleration threshold or the transmission head speed signal is lower than the speed threshold and is not 0.
When the head acceleration signal is lower than the acceleration threshold, i.e., less than 0, the velocity of the laser emitting head is decreased, and the velocity comparison module 602 generates a frequency reduction command regardless of whether the head velocity signal reaches the velocity threshold. When the head velocity signal is lower than the velocity threshold and is not 0, the velocity comparison module 602 generates a down-conversion command regardless of whether the head acceleration signal reaches the acceleration threshold.
The frequency increasing module 607 is configured to receive a frequency increasing instruction generated by the speed comparing module 602 and forward the frequency increasing instruction to the processing module 610 when the transmitting head acceleration signal is higher than the acceleration threshold or the transmitting head speed signal is higher than the speed threshold.
When the head acceleration signal is higher than the acceleration threshold, i.e. greater than 0, the velocity of the laser emitting head is increased, and the velocity comparison module 602 generates an up-conversion command regardless of whether the head velocity signal reaches the velocity threshold. When the head velocity signal is higher than the velocity threshold, the velocity comparison module 602 generates an up-conversion command regardless of whether the head acceleration signal reaches the acceleration threshold.
A stopping module 608, configured to receive a stopping instruction generated by the position comparing module 601 and/or the pressure comparing module 603 and/or the temperature comparing module 604 and/or the speed comparing module 602 and forward the stopping instruction to the processing module 610 when the transmitting head displacement signal reaches the position threshold and/or the skin pressure signal does not reach the pressure threshold and/or the transmitting head temperature signal reaches the transmitting head temperature threshold and/or the skin temperature signal reaches the skin temperature threshold and/or the transmitting head speed signal reaches 0 and the transmitting head acceleration signal reaches 0.
Preferably, the processing module 6 may further include a delay module (not shown in fig. 2) for receiving the emitter velocity signal and the emitter acceleration signal sent by the acceleration sensor 4, when the emitter velocity signal reaches 0 and the emitter acceleration signal reaches 0, which is equivalent to that the laser emitter 1 is stationary on the region to be treated, the acceleration sensor 4 generates and sends a delay instruction to the processing module 610, and after n seconds, the host 20 stops outputting the laser. n is a number greater than 0, n is preferably 1.
Once the emitting head velocity signal reaches 0 and the emitting head acceleration signal reaches infinity, that is, the laser emitting head 1 is moving, and the other sensor signals all satisfy the condition of each sensor driving host 20, the laser output device is driven to output laser.
The temperature reduction module 609 is configured to receive the temperature reduction instruction generated by the temperature comparison module 604 and forward the temperature reduction instruction to the processing module 610 when the emitter temperature signal reaches the emitter temperature threshold and/or the skin temperature signal reaches the skin temperature threshold.
The processing module 610 is configured to generate and send a work instruction to the pressure sensor 2, the temperature controller 3, the acceleration sensor 4, and the displacement sensor 5 in response to a user turning on, turning off, or controlling an operation of the laser output device, and control the pressure sensor 2, the temperature controller 3, the acceleration sensor 4, and the displacement sensor 5 to work, where the work instruction includes: an open command, a close command, and a control command, the processing module 610 generates and sends the open command or the close command to each sensor to control the opening or closing of each sensor, the processing module 610 generates and sends the control command to each sensor to control the movement of the movable sensor, and to modify modifiable parameters in each sensor.
The processing module 610 is configured to receive a skin pressure signal, a skin temperature signal, a transmitter acceleration signal, a transmitter velocity signal, and a transmitter displacement signal.
The processing module 610 is configured to receive and forward a driving command to the host 20, so as to drive the host 20 to emit laser. The processing module 610 is configured to receive and forward a down-conversion command to the host 20, so as to reduce the output frequency of the laser emitted by the host 20, and further reduce the output power of the laser. The processing module 610 is configured to receive and forward the frequency-increasing command to the host 20, increase the output frequency of the laser emitted by the host 20, and further increase the output power of the laser, and in other embodiments, the output power of the laser emitted by the host 20 may be adjusted by changing the pulse, the amplitude, the phase, and the like of the laser signal.
The processing module 610 is configured to receive and forward a stop instruction to the host 20, and stop the host 20 from emitting laser light. The processing module 610 is configured to receive and forward a cooling command to the temperature controller 3, and control the temperature controller 3 to reduce the temperature of the laser emitting head 1.
Further, the microprocessor 6 further includes an initialization module 612 for powering on after the laser output device is powered off, or generating and sending an initialization command to the processing module 610 through the communication module 7 in response to the user's operation of initializing the laser output device, so as to control the initialization of the processing module 610. Further, the processing module 610 may also forward an initialization command to the host 20 to control the initialization of the host 20.
The initialization instructions include: an update instruction, a power-off instruction and a power-on instruction. In response to the user's operation of setting the user parameter, the initialization module 612 generates and sends an update instruction to the processing module 610, and the processing module 610 performs the step of updating the user parameter, wherein the user may actively set the user parameter as the default parameter. In response to the operation of the user to restore the default parameters, the initialization module 612 generates and sends a power-off command to the processing module 610, controls the processing module 610 to power off, generates and sends a power-on command to the processing module 610 m seconds later, and controls the processing module 610 to power on, i.e., restart, where m is a number greater than 0, preferably 5.
The working principle of the laser output device provided by the invention is as follows: when the area of the contact surface between the laser emitting head 1 and the region to be treated on the skin is far smaller than the area of the region to be treated (or the area of the contact surface between other treatment serial ports and the region to be treated is smaller than the area of the region to be treated), the region to be treated can be treated only by multiple times of laser irradiation, and the speed and the method of an operator easily influence the treatment effect. The pressure sensor 2 of the laser output device can transmit a skin contact signal to the microprocessor 6, the acceleration sensor 4 transmits motion state signals such as acceleration and speed to the microprocessor 6, the displacement sensor 5 transmits a displacement signal to the microprocessor 6, the temperature controller 3 transmits a skin temperature signal and a transmitting head temperature signal to the microprocessor 6, the microprocessor 6 performs proper processing on the skin pressure signal, the skin temperature signal, the transmitting head acceleration signal, the transmitting head speed signal and the transmitting head displacement signal, track signals such as the position, the direction, the speed and the acceleration of the movement of the laser transmitting head 1 on the surface of the skin are calculated according to the signals by using proper algorithms, and a treatment block map is formed, so that the existence of the output of laser power is intelligently controlled. When the movement positions of the laser emitting heads 1 are overlapped, the laser output device does not emit laser light. When the moving speed of the laser emitting head 1 is slow or the moving acceleration is less than 0, the laser output frequency is reduced, the excessive treatment of the part of the region to be treated caused by the overhigh laser output frequency is avoided, and therefore the skin is damaged, wherein under the condition that other sensor signals all meet the condition that the driving host 20 outputs laser, when the moving speed of the laser emitting head 1 is 0 and the moving acceleration is 0, the laser output frequency is not 0, the laser output device does not output laser after n seconds, and when the moving speed of the laser emitting head 1 is 0 and the moving acceleration is infinite, the laser output device outputs laser. When the moving speed of the laser emitting head 1 is high or the moving acceleration is larger than 0, the laser output frequency is improved, and the situation that the part of the area to be treated is too little for treatment due to too low laser output frequency is avoided, so that the treatment effect cannot be achieved. When the laser emitting head 1 is away from the skin, i.e., when the skin contact pressure received by the pressure sensor 2 is 0, the laser emission is suspended. When the temperature of the emitting head is too high, laser emission is suspended, and meanwhile, the temperature of the laser emitting head 1 is reduced. The microprocessor 6 finally transmits each sensing signal and the laser energy control signal to the host 20 through the communication module 7, the host 20 receives the corresponding signal so as to intelligently control the laser 200 to work, transmits the temperature adjusting signal to the temperature controller 3, and controls the temperature controller 3 to regulate and control the temperature of the laser emitting head 1. Wherein each sensing signal comprises: the device comprises a skin pressure signal, a skin temperature signal, a transmitting head acceleration signal, a transmitting head speed signal and a transmitting head displacement signal, wherein a laser energy control signal comprises a laser adjusting signal.
In the laser output device according to another embodiment of the present invention, since the temperature of the laser emitting head is controlled by the temperature controller, and the laser output power of the host is controlled by sending the laser adjustment signal obtained by processing the sensor signal detected by each sensor to the host, the region to be treated on the skin can be treated uniformly, and the treatment efficiency is high.
As shown in fig. 2, fig. 2 is a schematic structural diagram of an embodiment of a laser output system provided in the present invention. The laser output system comprises a host 20 and the laser output device of one embodiment of the invention, which is connected with the host 20 through the communication module 7.
Further, the system further comprises a power module 30 for supplying power to the laser emitting head 1, the pressure sensor 2, the temperature controller 3, the acceleration sensor 4, the displacement sensor 5, the microprocessor 6 and the communication module 7. Of course, the power module 30 may also provide power to the host 20.
Further, the host 20 includes a laser 200, and the laser 200 is connected to the optical fiber interface 12 on the laser emitting head 1 through an optical fiber.
It should be noted that the operation of initializing the laser output device or the laser output system by the user includes: recovering default parameters and setting user parameters, wherein the objects of the default parameters comprise: the reference threshold, the reference signal, the laser output frequency, the laser output power, and the like, generally, the reference threshold or the reference signal is not modifiable, but in other embodiments, the criterion for the microprocessor 6 to determine whether the sensor signals reach the reference thresholds may be modified by modifying the reference threshold or the reference signal, and the reference signal is taken as the pulse signal for example, and the criterion includes: pulse width, pulse amplitude, number of pulses, etc. Typically, the objects of the default parameters all have default parameter values.
The laser output power, the laser output frequency, and the like may be set by a user as user parameters, and if an object of a default parameter is a reference signal and the reference signal is a pulse signal, for example, the user parameters include: pulse width value, pulse amplitude value, pulse number value, etc.
The working principle of the laser output system according to another embodiment of the present invention is completely the same as that of the laser output device, and is not described herein again.
During the use process, firstly, the user performs various operations of controlling the laser output device, such as starting and initializing the laser output system, on the external device, the input keyboard or the input screen of the laser output system, and controls the sensors through the communication module 7, including self-modifying and setting the preset parameters of the sensors and the preset threshold of the comparison modules.
Then the user puts the laser output system on the skin to be treated and moves, each sensor obtains various signals and sends the signals to the microprocessor 6, the microprocessor 6 carries out intelligent laser output on the area to be treated, and when the user scans the area to be treated all the time, the work of the laser output system is finished.
Finally, when the time for the user to use the laser output system is too long, the skin temperature or the temperature of the laser emitting head 1 is too high, namely the corresponding temperature threshold is reached, the microprocessor 6 can pause the laser output and cool the laser emitting head 1, when the laser emitting head 1 is in contact with the skin, the skin can be cooled, and when the skin temperature and the temperature of the laser emitting head 1 are both reduced to be below the corresponding temperature thresholds, the microprocessor 6 drives the laser output again until the treatment of the region to be treated is completed.
In the laser output system according to another embodiment of the present invention, since the temperature of the laser emitting head is controlled by the temperature controller, and the laser output power of the host is controlled by sending the laser adjustment signal obtained by processing the sensor signal detected by each sensor to the host, the region to be treated on the skin can be treated uniformly, and the treatment efficiency is high.
Referring to fig. 3, fig. 3 is a flowchart illustrating a laser output method according to an embodiment of the present invention.
As shown in fig. 3, a laser output method according to still another embodiment of the present invention includes:
s1, acquiring a skin pressure signal, a skin temperature signal, a transmitting head displacement signal, a transmitting head acceleration signal and a transmitting head speed signal.
S2, processing the acquired skin temperature signal and the acquired emitter temperature signal to obtain a temperature adjustment signal, and processing the acquired skin pressure signal, skin temperature signal, emitter displacement signal, emitter acceleration signal and emitter velocity signal to obtain a laser adjustment signal.
Referring to fig. 4, fig. 4 is a flowchart illustrating a detailed process of step S2 in fig. 3 according to the present invention.
Further, as shown in fig. 4, the step of S2 specifically includes:
s2-1, judging whether the emitter displacement signal reaches the position threshold, judging whether the emitter acceleration signal reaches the acceleration threshold, judging whether the emitter speed signal reaches the speed threshold, judging whether the skin pressure signal reaches the pressure threshold, judging whether the emitter temperature signal reaches the emitter temperature threshold and judging whether the skin temperature signal reaches the skin temperature threshold.
S2-2, when the emitter displacement signal does not reach the position threshold, the skin pressure signal reaches the pressure threshold, the emitter temperature signal does not reach the emitter temperature threshold, and the skin temperature signal does not reach the skin temperature threshold, the host 20 is driven to emit laser. Or
And when the acceleration signal of the emitting head is lower than the acceleration threshold or the velocity signal of the emitting head is lower than the velocity threshold and is not 0, reducing the output frequency of the laser emitted by the host machine 20. Or
When the head acceleration signal is higher than the acceleration threshold or the head velocity signal is higher than the velocity threshold, the output frequency of the laser light emitted from the main machine 20 is increased. Or
And stopping the host machine 20 from emitting laser when the emitting head displacement signal reaches the position threshold value and/or the skin pressure signal does not reach the pressure threshold value and/or the emitting head temperature signal reaches the emitting head temperature threshold value and/or the skin temperature signal reaches the skin temperature threshold value and/or the emitting head speed signal reaches 0 and the emitting head acceleration signal reaches 0. Or
When the emitting head temperature signal reaches the emitting head temperature threshold and/or the skin temperature signal reaches the skin temperature threshold, the temperature of the laser emitting head 1 is reduced.
S3, adjusting the temperature of the laser emitting head 1 according to the temperature adjusting signal, and adjusting the laser output frequency of the host 20 according to the laser adjusting signal.
In the laser output method according to still another embodiment of the present invention, since the temperature of the laser emitting head is controlled by the temperature controller, and the laser output power of the host is controlled by sending the laser adjustment signal obtained by processing the sensor signal detected by each sensor to the host, the region to be treated on the skin can be treated uniformly, and the treatment efficiency is high.
In the above embodiments, the description of each embodiment has its own emphasis, and for parts not described in detail in a certain embodiment, reference may be made to the description of other embodiments. In view of the above description of the laser output device, the laser output system and the laser output method provided by the present invention, those skilled in the art will recognize that there are variations from the foregoing description to the following descriptions in the specific embodiments and applications of the present invention.
Claims (8)
1. A laser output apparatus, comprising:
the laser emitting head (1) is connected with the host (20) and outputs laser;
a pressure sensor (2) for contacting the skin and detecting a skin pressure signal of the skin;
the temperature controller (3) is used for detecting a skin temperature signal and a transmitting head temperature signal of the laser transmitting head (1) and receiving a temperature adjusting signal sent by the microprocessor (6);
the acceleration sensor (4) is used for detecting an emitting head acceleration signal and an emitting head speed signal of the laser emitting head (1);
the displacement sensor (5) is used for detecting a transmitting head displacement signal of the laser transmitting head (1);
the microprocessor (6) is used for receiving the skin pressure signal, the skin temperature signal, the emission head acceleration signal, the emission head speed signal, the emission head displacement signal, controlling the pressure sensor (2), the temperature controller (3), the acceleration sensor (4) and the displacement sensor (5) to work, sending the temperature adjusting signal obtained by processing the skin temperature signal and the emission head temperature signal to the temperature controller (3), controlling the temperature controller (3) to adjust the temperature of the laser emission head (1), sending the laser adjusting signal obtained by processing the emission head displacement signal to the skin pressure signal, the skin temperature signal, the emission head acceleration signal, the emission head speed signal and the emission head displacement signal to the laser adjusting signal The host (20) is used for adjusting the laser output power of the host (20);
a communication module (7) for connecting the microprocessor (6) with the host (20) and an external device.
2. The laser output device according to claim 1, wherein the pressure sensor (2) includes:
a plurality of pressure sensing pieces (21) for sensing skin contact pressure applied when the laser emitting head (1) is attached to the skin and obtaining skin contact signals;
a rigid substrate (22) for supporting the pressure sensing sheet (21) so that the pressure sensing sheet (21) is uniformly stressed;
a protective silicone (23) for protecting the pressure sensing patch (21) and conducting the skin contact pressure to the pressure sensing patch (21);
and the signal conversion circuit (24) is used for converting the skin contact signal acquired by the pressure sensing sheet (21) into a voltage signal type skin pressure signal which can be processed by the microprocessor (6).
3. The laser output device according to claim 1, wherein the laser emitting head (1) comprises:
an optical waveguide (11) for shaping the original laser emitted from the host (20) through an optical fiber into a spot-type laser capable of directly irradiating the skin;
an optical fiber interface (12) for connecting the optical fiber with the optical waveguide (11).
4. The laser output apparatus according to claim 1, wherein the temperature controller (3) includes:
a temperature detection circuit (31) for detecting the skin temperature signal and the emitter temperature signal;
and the temperature control unit (32) is used for receiving the skin temperature signal, the emitting head temperature signal and the temperature adjusting signal sent by the microprocessor (6), and adjusting the temperature of the laser emitting head (1) according to the temperature adjusting signal.
5. The laser output device according to claim 1, wherein the microprocessor (6) comprises:
the position comparison module (601) is used for judging whether the displacement signal of the transmitting head reaches a position threshold value;
a speed comparison module (602) for determining whether the transmitting head acceleration signal reaches an acceleration threshold and determining whether the transmitting head speed signal reaches a speed threshold;
a pressure comparison module (603) for determining whether the skin pressure signal reaches a pressure threshold;
a temperature comparison module (604) for determining whether the emitter temperature signal reaches an emitter temperature threshold and determining whether the skin temperature signal reaches a skin temperature threshold;
the driving module (605) is used for receiving driving instructions generated by the position comparison module (601), the pressure comparison module (603) and the temperature comparison module (604) and forwarding the driving instructions to the processing module (610) when the transmitting head displacement signal does not reach the position threshold, the skin pressure signal reaches the pressure threshold, the transmitting head temperature signal does not reach the transmitting head temperature threshold and the skin temperature signal does not reach the skin temperature threshold;
a down-conversion module (606) for receiving a down-conversion instruction generated by the velocity comparison module (602) and forwarding the down-conversion instruction to the processing module (610) when the transmission head acceleration signal is lower than the acceleration threshold or the transmission head velocity signal is lower than the velocity threshold and is not 0;
the frequency increasing module (607) is used for receiving a frequency increasing instruction generated by the speed comparing module (602) and forwarding the frequency increasing instruction to the processing module (610) when the transmitting head acceleration signal is higher than the acceleration threshold or the transmitting head speed signal is higher than the speed threshold;
a stopping module (608) configured to receive a stopping instruction generated by one or more of the position comparing module (601), the pressure comparing module (603), the temperature comparing module (604), and the speed comparing module (602) and forward the stopping instruction to the processing module (610) when any one or more of the conditions that the transmitter displacement signal reaches the position threshold, the skin pressure signal does not reach the pressure threshold, the transmitter temperature signal reaches the transmitter temperature threshold, the skin temperature signal reaches the skin temperature threshold, the transmitter speed signal reaches 0, and the transmitter acceleration signal reaches 0 are met;
the temperature reduction module (609) is used for receiving a temperature reduction instruction generated by the temperature comparison module (604) and forwarding the temperature reduction instruction to the processing module (610) when the transmitting head temperature signal reaches the transmitting head temperature threshold and/or the skin temperature signal reaches the skin temperature threshold;
the processing module (610) is configured to respond to the operation of a user to turn on, turn off or control the laser output device, generate and send a working instruction to the pressure sensor (2), the temperature controller (3), the acceleration sensor (4) and the displacement sensor (5), control the pressure sensor (2), the temperature controller (3), the acceleration sensor (4) and the displacement sensor (5) to work, receive the skin pressure signal, the skin temperature signal, the emitter acceleration signal, the emitter speed signal and the emitter displacement signal, receive and forward the driving instruction to the host (20), drive the host (20) to emit laser, receive and forward the frequency reduction instruction to the host (20), reducing the output frequency of the laser emitted by the host (20), receiving and forwarding the frequency-increasing instruction to the host (20), increasing the output frequency of the laser emitted by the host (20), receiving and forwarding the stopping instruction to the host (20), stopping the host (20) from emitting the laser, receiving and forwarding the temperature-reducing instruction to the temperature controller (3), and controlling the temperature controller (3) to reduce the temperature of the laser emitting head (1).
6. The laser output device according to claim 5, wherein the microprocessor (6) further comprises: a position updating module (611) for storing and updating the transmitting head displacement signal to the position threshold in real time, and sending the position threshold to the position comparing module (601);
when the current emitter displacement signal is the same as the emitter displacement signal stored in the position threshold, the position comparison module (601) generates and sends a stop instruction to the stop module, and the stop module forwards the stop instruction to the host (20) to stop the host (20) from emitting laser.
7. A laser output system, characterized in that it comprises a host (20) and a laser output device according to any one of claims 1-6, said laser output device being connected to said host (20) via said communication module (7).
8. The laser output system according to claim 7, further comprising a power supply module for supplying power to the laser emitting head (1), the pressure sensor (2), the temperature controller (3), the acceleration sensor (4), the displacement sensor (5), the microprocessor (6) and the communication module (7).
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| CN110018668A (en) * | 2019-04-11 | 2019-07-16 | 湖北三江航天红峰控制有限公司 | A kind of laser power follow-up control method |
| CN109998667B (en) * | 2019-04-12 | 2021-07-09 | 深圳市是源医学科技有限公司 | Radio frequency fat reduction device |
| CN109893242B (en) * | 2019-04-12 | 2020-08-25 | 深圳市是源医学科技有限公司 | Cold and hot radio frequency deep warming instrument |
| CN112603532B (en) * | 2020-11-24 | 2021-09-24 | 广州星际悦动股份有限公司 | Control method and device of depilating instrument |
| CN113288419A (en) * | 2021-05-28 | 2021-08-24 | 常州纵慧芯光半导体科技有限公司 | Laser device and appearance that moults |
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