CN112604172A - High-intensity blue light LED array phototherapy instrument device and self-feedback dimming method - Google Patents
High-intensity blue light LED array phototherapy instrument device and self-feedback dimming method Download PDFInfo
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Abstract
The invention belongs to the field of optical medical treatment, and particularly relates to a high-intensity blue light LED array phototherapy instrument device and a self-feedback dimming method, wherein the device comprises a phototherapy instrument box body and a movable light source probe; a control circuit board is arranged in the phototherapy instrument box body and controls the whole device through the control circuit board; a driving circuit board of an LED array is installed in the light source probe, and a plurality of blue LED lamp beads are installed on the front surface of the driving circuit board; the front surface of a shell cover of the light source probe is provided with a light guide device; an environmental parameter acquisition module is arranged on the side surface of a shell cover of the light source probe; the high-intensity blue light LED array light source probe is connected with the phototherapy instrument box body through a mechanical arm; the invention can expand the use scene of the blue light phototherapy instrument and has intelligent control capability.
Description
Technical Field
The invention belongs to the field of medical equipment, and particularly relates to a high-intensity blue light LED array phototherapy instrument device and a self-feedback dimming method.
Background
Research shows that in the medical treatment process, physiotherapy for treating diseases by using the radiation energy of light is widely applied and continuously developed in various fields of clinical treatment. The blue light phototherapy instrument adopts an LED blue light cold light source with the wavelength of 460nm, and the blue light with the wavelength of about 460nm has obvious curative effect on diseases such as neonatal jaundice and acne, and belongs to pure physical therapy. The blue light has good bactericidal effect and has direct killing effect on bacteria in superficial tissues, so the blue light irradiation can be used for adjuvant therapy, prevent secondary bacterial infection and accelerate wound repair and healing, thereby reducing the dependence of patients on antibiotics.
However, most of such current blue light phototherapy devices have disadvantages in that: the function is single, the power is generally low on the low side, the light source intensity of product is not high enough, it is fixed to lead to using the scene, treatment is unsatisfactory, the concentrated radiation scope of blue light is fixed unchangeable, the illumination degree of consistency is inconsistent, environmental factor can't effective control when using, lead to can't satisfy high integration in the treatment process, it is multi-functional, the requirement of easy control, the blue light takes place to leak easily, radiate near personnel on one's body or this kind of health parts of eyes, bring health hazard, also bring certain risk to patient's treatment, it is troublesome to have brought the unnecessary for the patient.
Disclosure of Invention
In order to solve the problems existing in the prior art, the invention provides a high-intensity blue light LED array phototherapy apparatus, which comprises: the phototherapy instrument comprises a phototherapy instrument box body 1, a light source probe 2 and a mechanical arm 8; the phototherapy instrument box body 1 is connected with the light source probe 2 through a mechanical arm 8; forming a high-intensity blue light LED array phototherapy instrument device;
the phototherapy instrument box body 1 comprises a box body, a control circuit board 3, an operation display 9 and a power interface 10; the control circuit board 3 is arranged inside the box body, and the operation display 9 and the power interface 10 are arranged outside the box body; the operation display 9 is connected with the input end of the control circuit board 3, and the control circuit board 3 is connected with the power interface 10 to realize electrical conduction;
the light source probe 2 comprises a shell, a light guide device 4, an LED assembly 5 and an environmental parameter acquisition module 7; the LED assembly 5 is arranged inside the shell, the light guide device 4 is arranged outside the shell, and the central point of the LED assembly 5 and the central point of the light guide device 4 are positioned on the same horizontal line; the LED module 5 is electrically connected to the control circuit board 3.
Preferably, the control circuit board 3 includes a core control module 3a, a human-computer interaction module 3b, a light source control module 3c and a power module 3 d; each functional module in the control circuit board 3 is arranged in a partitioned manner, and areas of different levels are used for placing and driving functional modules with different functions.
Further, the connection relationship of the respective modules of the control circuit board 3 includes: the light source control module 3c is provided with a constant current driver; the forward output end of the power supply module 3d is connected with the forward input end of the light source probe 2 after being connected with a resistor in series, and the other end of the light source probe 2 is connected with an inductor in series and then is connected with the power control end of the constant current driver of the light source control module 3 c; the signal input end of the constant current driver is connected with the signal output end of the core control module 3 a; the power supply end of the constant current driver is connected with the anode of the power supply module 3d, and the grounding end of the constant current driver is grounded; the positive power input end of the human-computer interaction module 3b is connected with the positive pole of the power module 3d, the grounding end of the human-computer interaction module 3b is grounded, the signal input end of the human-computer interaction module 3b is connected with the signal output end of the core control module 3a, and the signal output end of the human-computer interaction module 3b is connected with the signal input end of the core control module 3 a.
Further, the connection relationship between the constant current driver and each device includes: a diode is connected between the power supply end and the power control end of the constant current driver; the sampling resistor of the constant current driver is connected between the power supply end and the signal acquisition end of the constant current driver; and a power end of the constant current driver is connected with the bypass capacitor and the diode and then connected with the power module 3 d.
Preferably, the man-machine interaction module 3b of the control circuit board 3 is connected with the operation display 9 through a component socket 9 a; the output signal of the man-machine interaction module 3b is controlled by operating the display 9.
Preferably, the light guide device 4 comprises an optical lens 4a and a light guide tube 4 b; the optical lens 4b is used for focusing light emitted by the LED lamp bead 5b to form a light beam; the light pipe 4b is used for the transmission of the light beam and for filtering the diverging light beam.
Preferably, the environmental parameter acquisition module 7 comprises a temperature sensor, a humidity sensor and a light meter; the temperature sensor is used for carrying out data acquisition on the ambient temperature around the light source probe 2 and the irradiation temperature of the light source irradiation area; the humidity sensor is used for carrying out data acquisition on the ambient humidity around the light source probe 2 and the humidity of a light source irradiation area; the illuminometer is used for acquiring data of the light intensity of the environment around the light source probe 2 and the light intensity of the light source irradiation area.
A self-feedback dimming method of a high-intensity blue light LED array phototherapy device comprises the following steps: the high-intensity blue light LED array phototherapy instrument device starts self-checking, collects the temperature and humidity of the light source probe 2 in real time, and transmits self-checking data to the core control module 3 a;
the core control module 3a processes the data after receiving the data and sends the processing result to the operation display 9 through the man-machine interaction module 3 b;
the user sets initialization parameters for the phototherapy apparatus according to the start information displayed by the operation display 9 and starts the apparatus;
the environmental parameter acquisition module 7 acquires environmental parameters of a light source irradiation area in real time and transmits acquired data to the core control module 3 a;
the core control module 3a compares the data with the initialization parameters to form a control command, and transmits the command to the light source control module 3c and the operation display 9;
after receiving the command, the light source control module 3a adjusts the light source power, the irradiation area, the direction change and the irradiation time of the light source probe according to the command content, and transmits the adjusted data to the operation display 9 through the human-computer interaction module 3 b;
the light source probe 2 completes the execution action according to the adjustment command, and the environmental parameter acquisition module 7 continues to acquire parameters to complete the self-feedback dimming of the phototherapy device.
Preferably, the process of processing the data by the core control module includes: the core control module 3a compares the received real-time data with a safety limit threshold value set by the device, if the real-time data is within the range of the safety limit threshold value, the core control module 3a considers that the phototherapy device is in a safe environment, opens a starting program, releases the safety limit of the device, and sends information to the operation display 9; if the real-time data is not within the safety limit threshold range, the core control module 3a does not start the device.
Preferably, the core control module forming control commands include: comparing data acquired during running of the phototherapy device with initialized parameters; the comparison results include:
(1) if the temperature and the humidity exceed the set threshold values and the illumination intensity does not exceed the threshold values, the core control module (3a) improves the power of a heat dissipation device of the phototherapy device to ensure the normal work of the phototherapy device;
(2) if the temperature and the humidity do not exceed the threshold value, the illumination intensity exceeds the threshold value, the core control module (3a) sends a command to the light source control module (3c) to adjust the input power, the illumination distance and the illumination time of the light source;
(3) if the temperature, the humidity and the illumination intensity exceed the threshold values, the core control module (3a) gives an alarm, the operating power of the phototherapy device is automatically reduced, and the safety and the stability are guaranteed.
The invention has the beneficial effects that:
1. the high-intensity blue light LED array phototherapy apparatus is controlled by the operation interface arranged on the surface of the box body, and the operation is very convenient and fast.
2. According to the high-intensity blue light LED array phototherapy device, the high-power light source module consisting of the plurality of LED lamp beads is arranged in the light source probe, the environment parameter acquisition module is arranged on the shell of the light source probe, so that the change of the surrounding environment of the phototherapy device is monitored in real time in the using process, the light source irradiation parameters of the phototherapy device are dynamically adjusted according to the acquired environment actual data, the use requirements under different scenes are met, and the application requirements are expanded.
3. The high-intensity blue light LED array phototherapy device is provided with the light guide device on the shell of the light source probe, so that the light emitted by the light source is restrained in the using process, the damage to a user caused by the leakage of the blue light is prevented, the irradiation area is controlled, and the accurate irradiation is realized.
4. The invention divides the placement area of the module for the interior of the high-intensity blue light LED array phototherapy apparatus according to the function, improves the electromagnetic compatibility and the safety of the phototherapy apparatus, is provided with the light source control module, and uses the light source control module to finish the accurate adjustment of the light source probe.
Drawings
FIG. 1 is a schematic view of the overall construction of the phototherapy apparatus of the present invention;
FIG. 2 is a schematic structural view of a housing of the phototherapy apparatus of the present invention;
FIG. 3 is a schematic view of the structure of the light source probe according to the present invention;
FIG. 4 is a schematic circuit diagram of an optical control module according to the present invention;
FIG. 5 is a control flow chart of a self-feedback dimming method according to the present invention;
wherein, 1, phototherapy instrument box, 2, light source probe, 3, control circuit board, 3a, core control module, 3b, human-computer interaction module, 3c, light source control module, 3d, power module, 4, the leaded light device, 4a, optical lens, 4b, the light pipe, 5, LED lamp pearl, 5a, LED array drive circuit board, 6, heat abstractor, 7, environmental parameter acquisition module, 8, the arm, 9, operation display device, 9a, component socket, 10, power source, 11, heat dissipation through-hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The high-intensity blue light LED array phototherapy instrument device provided by the invention can control the illumination range and illumination intensity of an illumination area by controlling the light source, is convenient to use, has a function of protecting users, can acquire environmental information in the use process in real time, is convenient for doctors or other related people to check the use state, and not only improves the treatment effect of patients, but also improves the safety of the phototherapy instrument device.
A high intensity blue LED array phototherapy device, as shown in fig. 1, comprising: the phototherapy instrument comprises a phototherapy instrument box body 1, a light source probe 2 and a mechanical arm 8; the phototherapy instrument box body 1 is connected with the light source probe 2 through a mechanical arm 8; forming the high-intensity blue light LED array phototherapy instrument device. According to the invention, the position of the light source probe 2 in the space is controlled by the mechanical arm 8, so that the flexibility of the light source probe 2 is improved.
As shown in fig. 2, the phototherapy instrument box 1 of the high-intensity blue-light LED array phototherapy instrument device comprises a box body, a control circuit board 3, an operation display 9 and a power interface 10; the control circuit board 3 is arranged inside the box body, and the operation display 9 and the power interface 10 are arranged outside the box body; the operation display 9 is connected with the input end of the control circuit board 3, and the control circuit board 3 is connected with the power interface 10 to realize electrical conduction.
Optionally, the control circuit board 3 includes a core control module 3a, a human-computer interaction module 3b, a light source control module 3c, and a power module 3 d; each functional module in the control circuit board 3 is arranged in a partitioned manner, and areas of different levels are used for placing and driving functional modules with different functions. Each functional module is separated by a metal shielding plate with good electric conductivity connected with a grounding end; the shielding body is formed by the metal shielding plate, and plays roles of absorbing energy (eddy current loss), reflecting energy (interface reflection of electromagnetic wave on the shielding body) and counteracting energy (electromagnetic induction generates a reverse electromagnetic field on the shielding layer to counteract partial interference electromagnetic wave) on the electromagnetic wave from the outside or the inside, thereby achieving the function of weakening interference.
The connection relationship of the respective modules of the control circuit board 3 includes: the light source control module 3c is provided with a constant current driver; the forward output end of the power supply module 3d is connected with the forward input end of the light source probe 2 after being connected with a resistor in series, and the other end of the light source probe 2 is connected with an inductor in series and then is connected with the power control end of the constant current driver of the light source control module 3 c; the signal input end of the constant current driver is connected with the signal output end of the core control module 3 a; the power supply end of the constant current driver is connected with the anode of the power supply module 3d, and the grounding end of the constant current driver is grounded; the positive power input end of the human-computer interaction module 3b is connected with the positive pole of the power module 3d, the grounding end of the human-computer interaction module 3b is grounded, the signal input end of the human-computer interaction module 3b is connected with the signal output end of the core control module 3a, and the signal output end of the human-computer interaction module 3b is connected with the signal input end of the core control module 3 a.
Preferably, the connection relationship between the constant current driver and each device includes: a diode is connected between the power supply end and the power control end of the constant current driver; the sampling resistor of the constant current driver is connected between the power supply end and the signal acquisition end of the constant current driver; and a power end of the constant current driver is connected with the bypass capacitor and the diode and then connected with the power module 3 d.
Preferably, the man-machine interaction module 3b of the control circuit board 3 is connected with the operation display 9 through a component socket 9 a; the output signal of the man-machine interaction module 3b is controlled by operating the display 9. The user can quickly complete the function adjustment of the phototherapy apparatus device by operating the display 9.
In the prior art, since a plastic case, a plastic part or a panel is widely applied to medical electronic equipment, external electromagnetic waves easily penetrate through a shell or the panel to interfere with normal operation of the instrument, and the electromagnetic waves generated by the instrument are also easily radiated to the surrounding space to influence normal operation of other electronic instruments. In the invention, a plastic case, a plastic part or a panel is treated by a plastic metallization process, such as sputtering zinc plating, chemical copper plating, metal foil pasting, conductive coating and the like, and after metallization, the completely insulated plastic surface has the characteristics of reflection, absorption, conduction and electromagnetic wave attenuation like metal, thereby playing a role in shielding electromagnetic wave interference.
As shown in fig. 4, the high-intensity blue LED array light source probe is connected to a light source control module on the control circuit board, and the light source control module is provided with a constant current driver. The positive output end of the power supply module is connected with the positive input end of the high-intensity blue light LED array light source probe after being connected with a resistor in series, and the other end of the high-intensity blue light LED array light source probe is connected with the power control end of the constant current driver after being connected with an inductor in series. And the signal input end of the constant current driver is connected with the signal output end of the core control module. The power supply end of the constant current driver is connected with the positive power supply, and the grounding end of the constant current driver is grounded. And the signal acquisition end of the constant current driver is connected with the positive input end of the high-intensity blue light LED array light source probe.
Through the design, the high-intensity blue light LED array light source probe obtains direct power supply of the power module, the constant current driver is connected with the forward input end of the high-intensity blue light LED array light source probe through the signal acquisition end, current values passing through the forward input end are acquired, calculation is carried out through corresponding conversion standards, the real-time power intensity of the high-intensity blue light LED array light source probe is fed back to a user at present, the user operates the illumination intensity of the light source probe through the operation display 9 by combining data acquired by the environment parameter acquisition module according to the use requirement, and after receiving an operation instruction, the constant current driver controls the power of the high-intensity blue light LED array light source probe according to the power control end to complete response to the operation instruction.
A diode is connected between the power supply end and the power control end of the constant current driver; the sampling resistor of the constant current driver is connected between the power supply end and the signal acquisition end of the constant current driver; and a power supply end of the constant current driver is connected with the bypass capacitor and the diode and then connected with the power supply module. Through the design, power module uses bypass electric capacity to filter input voltage before the direct power supply to optical control module and high-strength blue light LED array light source probe, guarantees voltage output's stability, improves the holistic reliability of phototherapy instrument device uses the diode of a certain quantity, reduces the device that the electric current sudden change leads to and damages the risk in the use.
Preferably, a heat dissipation device 6 is arranged in the case body of the phototherapy apparatus case body 1, and a heat dissipation through hole 11 is arranged on the heat dissipation device 6; the phototherapy device reduces the temperature of the device through the heat sink 6 and the heat dissipating through-holes 11.
Preferably, the power module is connected with a voltage stabilizer, and the voltage stabilizer performs voltage stabilization processing on the voltage output by the connected external power supply to realize the effect of voltage stabilization power supply of other modules.
A light source probe 2 of a high-intensity blue light LED array phototherapy apparatus is disclosed, as shown in FIG. 3, the light source probe 2 comprises a housing, a light guide device 4, an LED assembly 5 and an environmental parameter acquisition module 7; the LED assembly 5 is arranged inside the shell, the light guide device 4 is arranged outside the shell, and the central point of the LED assembly 5 and the central point of the light guide device 4 are positioned on the same horizontal line; the LED module 5 is electrically connected to the control circuit board 3.
Preferably, the shell is hollow, the inner surface of the shell is plated with a reflecting layer, and the reflecting layer is used for reflecting light emitted by the LED assembly 5 to achieve the effect of light condensation.
Preferably, the LED assembly 5 includes an LED array driving circuit board 5a and LED lamp beads 5 b; the LED array driving circuit board 5a controls the LED lamp beads 5b to emit light and adjusts the luminous intensity of the LED lamp beads 5 b.
Preferably, the LED lamp beads 5b are high-intensity blue-light LED lamp beads.
Preferably, a heat dissipation device is installed on the back surface of the driving circuit board, and the heat dissipation device is used for cooling the light source probe 2.
Preferably, the light guide device 4 comprises an optical lens 4a and a light guide tube 4 b; the optical lens 4b is used for focusing light emitted by the LED lamp bead 5b to form a light beam; the light pipe 4b is used for the transmission of the light beam and for filtering the diverging light beam. Through the design, the light source light is transmitted in a constrained mode and dynamically adjusted, and the light source light transmission direction and the irradiation area are adjusted according to requirements. The light guide device can guide and output the illumination emitted by the light source according to the use scene, so that the light source is restrained, and the light leakage is prevented from damaging the human body.
Preferably, the environmental parameter acquisition module 7 comprises a temperature sensor, a humidity sensor and a light meter; the temperature sensor is used for carrying out data acquisition on the ambient temperature around the light source probe 2 and the irradiation temperature of the light source irradiation area; the humidity sensor is used for carrying out data acquisition on the ambient humidity around the light source probe 2 and the humidity of a light source irradiation area; the illuminometer is used for acquiring data of the illumination intensity around the light source probe 2 and the illumination intensity of the light source illumination area. The environment acquisition module acquires and transmits real-time environment parameters to the core control module, so that a basis for adjusting a light source is provided for an operator, and the service efficiency of the phototherapy instrument device is improved.
A self-feedback dimming method of a high-intensity blue LED array phototherapy apparatus, as shown in fig. 5, the method comprising:
the high-intensity blue light LED array phototherapy instrument device starts self-checking, collects the temperature and humidity of the light source probe 2 in real time, and transmits self-checking data to the core control module 3 a;
the core control module 3a processes the data after receiving the data and sends the processing result to the operation display 9 through the man-machine interaction module 3 b;
the user sets initialization parameters for the phototherapy apparatus according to the start information displayed by the operation display 9 and starts the apparatus;
the environmental parameter acquisition module 7 acquires environmental parameters of a light source irradiation area in real time and transmits acquired data to the core control module 3 a;
the core control module 3a compares the data with the initialization parameters to form a control command, and transmits the command to the light source control module 3c and the operation display 9;
after receiving the command, the light source control module 3a adjusts the light source power, the irradiation area, the direction change and the irradiation time of the light source probe according to the command content, and transmits the adjusted data to the operation display 9 through the human-computer interaction module 3 b;
the light source probe 2 completes the execution action according to the adjustment command, and the environmental parameter acquisition module 7 continues to acquire parameters to complete the self-feedback dimming of the phototherapy device.
The process of processing the data by the core control module comprises the following steps: the core control module 3a compares the received real-time data with a safety limit threshold value set by the device, if the real-time data is within the range of the safety limit threshold value, the core control module 3a considers that the phototherapy device is in a safe environment, opens a starting program, releases the safety limit of the device, and sends information to the operation display 9; if the real-time data is not within the safety limit threshold range, the core control module 3a does not start the device.
The core control module forming control commands include: comparing data acquired during running of the phototherapy device with initialized parameters; the comparison results include:
(1) if the temperature and the humidity exceed the set threshold values and the illumination intensity does not exceed the threshold values, the core control module 3a improves the power of a heat dissipation device of the phototherapy device to ensure the normal work of the phototherapy device;
(2) if the temperature and the humidity do not exceed the threshold value and the illumination intensity exceeds the threshold value, the core control module 3a sends a command to the light source control module 3c to adjust the input power, the illumination distance and the illumination time of the light source;
(3) if the temperature, the humidity and the illumination intensity exceed the threshold values, the core control module 3a sends an alarm, the operating power of the phototherapy device is automatically reduced, and the safety and the stability are guaranteed.
And the user monitors the running state of the phototherapy instrument device in real time according to the display content, ensures that the self-feedback adjustment state of the phototherapy instrument device is taken over in time, and ensures stable and safe running.
Those skilled in the art will appreciate that all or part of the steps in the methods of the above embodiments may be implemented by instructions associated with hardware via a program, which may be stored in a computer-readable storage medium, and the storage medium may include: ROM, RAM, magnetic or optical disks, and the like.
In the description of the present invention, it is to be understood that the terms "top", "bottom", "one end", "upper", "one side", "inner", "front", "rear", "center", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integral; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A high-intensity blue light LED array phototherapy instrument device, comprising: the phototherapy device comprises a phototherapy device box body (1), a light source probe (2) and a mechanical arm (8); the phototherapy instrument box body (1) is connected with the light source probe (2) through a mechanical arm (8); forming a high-intensity blue light LED array phototherapy instrument device;
the phototherapy instrument box body (1) comprises a box body, a control circuit board (3), an operation display (9) and a power interface (10); the control circuit board (3) is arranged inside the box body, and the operation display (9) and the power interface (10) are arranged outside the box body; the operation display (9) is connected with the input end of the control circuit board (3), and the control circuit board (3) is connected with the power interface (10) to realize electrical conduction;
the light source probe (2) comprises a shell, a light guide device (4), an LED assembly (5) and an environmental parameter acquisition module (7); the LED assembly (5) is arranged inside the shell, the light guide device (4) is arranged outside the shell, and the central point of the LED assembly (5) and the central point of the light guide device (4) are positioned on the same horizontal line; the LED assembly (5) is electrically conducted with the control circuit board (3).
2. The high-intensity blue LED array phototherapy apparatus according to claim 1, wherein the control circuit board (3) comprises a core control module (3a), a human-computer interaction module (3b), a light source control module (3c) and a power supply module (3 d); each functional module in the control circuit board (3) is arranged in a partition mode, and areas of different levels are used for placing and driving functional modules with different functions.
3. A high intensity blue LED array phototherapy device as claimed in claim 2, wherein the connection relationship of the modules of the control circuit board (3) comprises: the light source control module (3c) is provided with a constant current driver; the forward output end of the power supply module (3d) is connected with the forward input end of the light source probe (2) after being connected with a resistor in series, and the other end of the light source probe (2) is connected with an inductor in series and then is connected with the power control end of a constant current driver of the light source control module (3 c); the signal input end of the constant current driver is connected with the signal output end of the core control module (3 a); the power supply end of the constant current driver is connected with the anode of the power supply module (3d), and the grounding end of the constant current driver is grounded; the positive input end of a power supply of the man-machine interaction module (3b) is connected with the positive electrode of the power supply module (3d), the grounding end of the man-machine interaction module (3b) is grounded, the signal input end of the man-machine interaction module (3b) is connected with the signal output end of the core control module (3a), and the signal output end of the man-machine interaction module (3b) is connected with the signal input end of the core control module (3 a).
4. A high intensity blue LED array phototherapy device as claimed in claim 3, wherein the connection relationship between the constant current driver and each device comprises: a diode is connected between the power supply end and the power control end of the constant current driver; the sampling resistor of the constant current driver is connected between the power supply end and the signal acquisition end of the constant current driver; and a power supply end of the constant current driver is connected with the bypass capacitor and the diode and then connected with the power supply module (3 d).
5. A high intensity blue LED array phototherapy device as claimed in claim 2, characterized in that the human-machine interaction module (3b) of the control circuit board (3) is connected with the operation display (9) through an element socket (9 a); the output signal of the man-machine interaction module (3b) is controlled by the operation display (9).
6. A high intensity blue LED array phototherapy device according to claim 1, characterized in that the light guiding means (4) comprises an optical lens (4a) and a light guiding tube (4 b); the optical lens (4b) is used for focusing light emitted by the LED lamp beads (5b) to form light beams; the light pipe (4b) is used for transmitting the light beam and filtering the divergent light beam.
7. The high-intensity blue LED array phototherapy device according to claim 1, wherein the environmental parameter acquisition module (7) comprises a temperature sensor, a humidity sensor and a light meter; the temperature sensor is used for carrying out data acquisition on the ambient temperature around the light source probe (2) and the irradiation temperature of the light source irradiation area; the humidity sensor is used for carrying out data acquisition on the ambient humidity around the light source probe (2) and the humidity of a light source irradiation area; the illuminometer is used for acquiring data of the illumination intensity of the surrounding environment of the light source probe (2) and the illumination intensity of the light source irradiation area.
8. A self-feedback dimming method of a high-intensity blue light LED array phototherapy device is characterized by comprising the following steps:
the high-intensity blue light LED array phototherapy instrument device starts self-checking, collects the temperature and humidity of the light source probe (2) in real time, and transmits self-checking data to the core control module (3 a);
the core control module (3a) processes the data after receiving the data and sends the processing result to the operation display (9) through the man-machine interaction module (3 b);
a user sets initialization parameters for the phototherapy device according to the starting information displayed by the operation display (9) and starts the device;
the environment parameter acquisition module (7) acquires the environment parameters of the light source irradiation area in real time and transmits the acquired data to the core control module (3 a);
the core control module (3a) compares the data with the initialization parameters to form a control command, and transmits the command to the light source control module (3c) and the operation display (9);
after receiving the command, the light source control module (3a) adjusts the light source power, the irradiation area, the direction change and the irradiation time of the light source probe according to the command content, and transmits the adjusted data to the operation display (9) through the man-machine interaction module (3 b);
the light source probe (2) completes execution actions according to the adjustment command, and the environmental parameter acquisition module (7) continues parameter acquisition to complete self-feedback dimming of the phototherapy device.
9. The self-feedback dimming method of a high-intensity blue LED array phototherapy apparatus according to claim 8, wherein the processing of the data by the core control module comprises: the core control module (3a) compares the received real-time data with a safety limit threshold value set by the device, if the real-time data is within the range of the safety limit threshold value, the core control module (3a) considers that the phototherapy device is in a safe environment, opens a starting program, releases the safety limit of the device, and sends information to the operation display (9); if the real-time data is not within the safety limit threshold range, the core control module (3a) does not start the device.
10. The method of claim 8, wherein the core control module forming control commands comprises: comparing data acquired during running of the phototherapy device with initialized parameters; the comparison results include:
(1) if the temperature and the humidity exceed the set threshold values and the illumination intensity does not exceed the threshold values, the core control module (3a) improves the power of a heat dissipation device of the phototherapy device to ensure the normal work of the phototherapy device;
(2) if the temperature and the humidity do not exceed the threshold value, the illumination intensity exceeds the threshold value, the core control module (3a) sends a command to the light source control module (3c) to adjust the input power, the illumination distance and the illumination time of the light source;
(3) if the temperature, the humidity and the illumination intensity exceed the threshold values, the core control module (3a) gives an alarm, the operating power of the phototherapy device is automatically reduced, and the safety and the stability are guaranteed.
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| CN202011536357.3A CN112604172A (en) | 2020-12-23 | 2020-12-23 | High-intensity blue light LED array phototherapy instrument device and self-feedback dimming method |
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| CN116806065A (en) * | 2023-08-24 | 2023-09-26 | 牛尾医疗科技（苏州）有限公司 | LED-based self-feedback light source system |
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