CN114010957A - Heat recovery system for phototherapy equipment and control method - Google Patents

Heat recovery system for phototherapy equipment and control method Download PDF

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Publication number
CN114010957A
CN114010957A CN202111440726.3A CN202111440726A CN114010957A CN 114010957 A CN114010957 A CN 114010957A CN 202111440726 A CN202111440726 A CN 202111440726A CN 114010957 A CN114010957 A CN 114010957A
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heat
phototherapy
electromagnet
region
recovery system
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CN202111440726.3A
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CN114010957B (en
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崔英杰
胡永岚
谢静
赵杨
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Guan Yeolight Technology Co Ltd
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Guan Yeolight Technology Co Ltd
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A61N5/0613—Apparatus adapted for a specific treatment
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A61N5/0613—Apparatus adapted for a specific treatment
    • A61N5/0625—Warming the body, e.g. hyperthermia treatment
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/0033—Heating devices using lamps
    • H05B3/0085—Heating devices using lamps for medical applications
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A61N2005/0626—Monitoring, verifying, controlling systems and methods
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A61N2005/063—Radiation therapy using light comprising light transmitting means, e.g. optical fibres
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A61N2005/065—Light sources therefor
    • A61N2005/0651—Diodes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A61N2005/065—Light sources therefor
    • A61N2005/0651—Diodes
    • A61N2005/0653—Organic light emitting diodes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A61N2005/0658—Radiation therapy using light characterised by the wavelength of light used
    • A61N2005/0662—Visible light
    • A61N2005/0663—Coloured light
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Pathology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Radiation-Therapy Devices (AREA)

Abstract

The application discloses a heat recovery system for phototherapy equipment and a control method. The heat recovery system includes: a heat absorption region disposed corresponding to the phototherapy region; the heat release area is arranged corresponding to the coverage area; a heat conductor reciprocating between the heat absorption region and the heat release region to release the heat absorbed from the phototherapy region in the coverage region; and the driving mechanism is used for driving the heat conduction piece to reciprocate. This application corresponds at phototherapy equipment's phototherapy district and sets up the heat absorption district, with the heat that the absorption light source produced, the heat release district is set up in the overlay area correspondence of phototherapy equipment, and the heat conduction piece of design reciprocating motion between heat absorption district and heat release district, drive heat conduction piece at heat absorption district and heat release district reciprocating motion through actuating mechanism, make heat conduction piece will follow the absorptive heat transfer in phototherapy district to the overlay area release, make phototherapy district form heat radiation region around, both can improve energy utilization rate, also can promote treatment.

Description

Heat recovery system for phototherapy equipment and control method
Technical Field
The present disclosure relates generally to the field of medical devices, and more particularly to a heat recovery system and control method for phototherapy devices.
Background
It is known that radiation or illumination systems using LEDs and/or OLEDs will perform better at low temperatures. Thus, each such lighting system will have a cooling system to limit the temperature of the LEDs and/or OLEDs.
When using radiation emitting devices for applications close to mammalian tissue, it is very important to control and limit the temperature of the tissue being irradiated. In general, heat losses in terms of residual heat from the LED and/or OLED device will be removed to the environment via passive or active cooling. In the event that such a system is undesirable, then the power input to the LEDs and/or OLEDs may instead be limited such that the heat generated by the LEDs and/or OLEDs does not raise the tissue temperature above acceptable levels.
The heat recovery system is distributed along the periphery of the radiation source array, in thermal contact with the mammalian tissue, as disclosed in patent CN 103826697B. The heat spreading section of the system is positioned on the back side of the LED substrate, the extended area of the heat spreading section is arranged in thermal contact with the mammalian tissue when the radiation emitting device is applied close to the mammalian tissue, and the heat generated by the radiation source is slowly reused. Further, the front surface of the substrate is provided with a radiation source array, two adjacent radiation sources are separated by a spacer, and each radiation source forms an independent optical radiation area when emitting light, so that the light emitted by the radiation source array cannot completely cover the treatment area. Therefore, a heat recovery system and a control method for phototherapy equipment are proposed to solve the above problems of slow heat transfer rate, low utilization rate, limited light radiation area and poor therapeutic effect.
Disclosure of Invention
In view of the above-mentioned drawbacks and deficiencies of the prior art, it is desirable to provide a heat recovery system and a control method for a phototherapy apparatus, which improve the heat utilization rate of a radiation source, have adjustability of a light radiation area, and have a significant treatment effect, and are simple in structure and easy to implement.
In a first aspect, the present application provides a heat recovery system for a phototherapy device having a phototherapy region and coverage areas on either side of the phototherapy region; its characterized in that, heat recovery system is located one side that its plain noodles was kept away from to phototherapy equipment, heat recovery system includes:
a heat absorption region disposed corresponding to the phototherapy region;
the heat release area is arranged corresponding to the coverage area;
a heat conductor reciprocating between the heat absorption region and the heat release region to release the heat absorbed from the phototherapy region in the coverage region;
and the driving mechanism is used for driving the heat conduction piece to reciprocate.
According to the technical scheme provided by the embodiment of the application, the driving mechanism comprises:
a first electromagnet disposed on the heat absorbing region;
the second electromagnet is arranged on one side of the heat release area, which is far away from the first electromagnet;
the control module is used for controlling the on-off of the power supply circuit of the first electromagnet and the second electromagnet;
the heat conduction piece is a metal piece and is positioned between the first electromagnet and the second electromagnet.
According to the technical scheme provided by the embodiment of the application, the phototherapy area is provided with a heat conduction base layer for installing a light source; the heat absorption area is provided with:
the connecting part is positioned in the middle of the heat-conducting base layer; the first electromagnet is arranged on the connecting part;
the heat transfer layer covers the heat conduction base layer and is positioned on two sides of the connecting part;
the thermal conductor is located outside the heat transfer layer.
According to the technical scheme that this application embodiment provided, heat conduction basic unit bottom is equipped with adjusting part, is used for adjusting the angle of illumination of light source.
According to the technical scheme provided by the embodiment of the application, the light source is fixed on the mounting plate; the mounting plate is connected to one side, far away from the connecting part, of the heat conducting base layer through a connecting rod;
the adjusting assembly is used for driving the connecting rod to rotate around the first end so as to drive the mounting plate to swing; the first end is a connecting section of the connecting rod and the heat conducting base layer.
According to the technical scheme provided by the embodiment of the application, the edge of the heat-conducting base layer protrudes out of the mounting plate; the adjustment assembly includes:
the third electromagnet is arranged at the end part of one side, close to the mounting plate, of the heat-conducting base layer;
the metal plate is arranged on the edge of the mounting plate and corresponds to the third electromagnet;
and the control module is used for controlling the on-off of the third electromagnet power supply circuit.
According to the technical scheme that this application embodiment provided, the bottom of phototherapy equipment is equipped with supporting component.
According to the technical scheme provided by the embodiment of the application, a flexible base layer is arranged on the surface of the phototherapy equipment; the bottom surface of flexible basic unit and the top surface of heat conduction spare is equipped with respectively and mates spout and slide rail for the restriction the movement track of heat conduction spare.
According to the technical scheme provided by the embodiment of the application, a first temperature sensor is installed on the heat conduction piece; the heat release area is provided with a second temperature sensor; and the control module is used for receiving the temperature signals of the first temperature sensor and the second temperature sensor and controlling the on-off of the power supply circuit of the first electromagnet and the second electromagnet according to the temperature signals.
In a second aspect, the present application provides a control method for a heat recovery system of a phototherapy apparatus as described above, comprising the steps of:
s10, supplying power to the first electromagnet to enable the heat conduction piece to move to the first set position, and enabling the heat conduction piece to absorb heat of the heat absorption area;
s20, receiving the temperature signal t of the first temperature sensor1And a temperature signal t of the second temperature sensor2；
S30, judgment t1And t2Is different fromWhether the temperature difference value is larger than or equal to the first set temperature difference value or not; if yes, go to step S40, otherwise go to step S30;
s40, powering off the first electromagnet and powering on the second electromagnet to enable the heat conduction piece to move to a second set position;
s50, judgment t1And t2Whether the difference value of (a) is less than or equal to a second set temperature difference value; if so, go to step S60, otherwise go to step S50.
And S60, powering off the second electromagnet, and instantaneously powering on the first electromagnet so that the heat conduction piece moves to the first set position.
In summary, the present application specifically discloses a specific structure of a heat recovery system for a phototherapy device. This application specifically corresponds at phototherapy equipment's phototherapy district and sets up the heat absorption district, with the heat that the absorption light source produced, the district is released to the heat that sets up in the overlay area correspondence of phototherapy equipment, and the heat conduction piece of design reciprocating motion between heat absorption district and heat release district, through actuating mechanism drive heat conduction piece at heat absorption district and heat release district reciprocating motion, make heat conduction piece will follow the absorptive heat transfer in phototherapy district to the release of overlay area, make and form the heat radiation region around the phototherapy district, both can improve energy utilization rate, also can promote treatment.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1 is a schematic diagram of a heat recovery system for a phototherapy apparatus.
Fig. 2 is a schematic diagram of a heat recovery system for a phototherapy apparatus.
Fig. 3 is a schematic diagram of a heat recovery system for a phototherapy apparatus.
Fig. 4 is a schematic top view of the phototherapy apparatus.
Fig. 5 is a schematic diagram of a heat recovery system for a phototherapy apparatus.
Fig. 6 is a schematic diagram of a heat recovery system for a phototherapy apparatus.
Fig. 7 is a schematic structural diagram of the sliding groove and the sliding rail.
Fig. 8 is a flowchart of the control method.
Reference numbers in the figures: 1. a flexible base layer; 2. a heat absorbing zone; 3. a thermal release region; 4. a first electromagnet; 5. a second electromagnet; 6. a heat conductor; 7. a connecting portion; 8. a heat transfer layer; 9. a thermally conductive base layer; 10. a light source; 11. a second support; 12. a connecting plate; 13. a connecting rod; 14. a light-transmitting region; 15. a metal plate; 16. a third electromagnet; 17. a support body; 18. a first support; 19. a phototherapy zone; 20. a coverage area; 21. a control module; 22. a chute; 23. a slide rail.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Example 1
Please refer to fig. 1, which is a schematic structural diagram of a heat recovery system for a phototherapy apparatus provided by the present application, the phototherapy apparatus having a phototherapy area and coverage areas at two sides of the phototherapy area; the heat recovery system is located one side that its plain noodles was kept away from to phototherapy equipment, the heat recovery system includes:
a heat absorption region 2 arranged corresponding to the phototherapy region;
the heat release area 3 is arranged corresponding to the coverage area;
a heat conductor 6 reciprocating between the heat absorption region 2 and the heat release region 3 for releasing the heat absorbed from the phototherapy region in the coverage region;
and the driving mechanism is used for driving the heat conduction piece 6 to reciprocate.
In this embodiment, the phototherapy device has a phototherapy area and coverage areas located at two sides of the phototherapy area, as shown in fig. 4, the phototherapy area is an area indicated by reference numeral 19 in the drawing, and the coverage areas are areas indicated by reference numeral 20 in the drawing; the heat recovery system is positioned on one side of the phototherapy equipment, which is far away from the light emitting surface of the phototherapy equipment, and is used for recovering heat generated by the phototherapy equipment and transmitting the heat to the periphery of the light radiation area so as to assist phototherapy and improve treatment effect;
specifically, as shown in fig. 1, the heat recovery system includes:
the heat absorption area 2 is arranged corresponding to the phototherapy area and is used for absorbing heat generated by the phototherapy area;
the heat release area 3 is arranged corresponding to the covering area, is used for transferring heat to the covering area and is annularly arranged around the phototherapy area so as to assist in treatment;
a heat conductor 6 reciprocating between the heat absorption region 2 and the heat release region 3 for releasing heat absorbed from the phototherapy region at the covered region; here, the type of the heat conductive member 6 is, for example, a metal member;
a driving mechanism for providing a driving force for the heat conduction member 6 for driving the heat conduction member 6 to reciprocate;
specifically, as shown in fig. 1 and 2, the drive mechanism includes:
a first electromagnet 4 disposed on the heat absorbing region 2 for absorbing the heat conductive member 6; as shown in fig. 1, a first electromagnet 4 is disposed on the connecting portion 7 of the heat absorption region 2, so as to divide the heat absorption region 2 into a left heat absorption region and a right heat absorption region;
the second electromagnet 5 is arranged on one side of the heat release area 3, which is far away from the first electromagnet 4, and is used for sucking the heat conduction piece 6; as shown in fig. 1, two second electromagnets 5 are respectively disposed on the sides of the two heat release regions 3 away from the first electromagnet 4;
two heat conduction members 6 are respectively positioned between the first electromagnet 4 and the second electromagnet 5 on the left side in the figure and between the first electromagnet 4 and the second electromagnet 5 on the right side in the figure;
here, the control module is used for controlling the on-off of a power supply circuit of the first electromagnet 4 and the second electromagnet 5;
as shown in fig. 1, the first electromagnet 4 is powered on, the two second electromagnets 5 are powered off, the first electromagnet 4 generates magnetism to attract the two heat conduction members 6 to move to the corresponding heat absorption regions 2, and the heat conduction members 6 absorb heat in the heat absorption regions 2 until the temperature of the heat conduction members 6 reaches a predetermined temperature, so that the first electromagnet 4 is powered off;
as shown in fig. 2, the second electromagnet 5 is powered on, the first electromagnet 4 is kept in a power-off state, the heat conduction member 6 is attracted by the corresponding second electromagnet 5, so that the heat conduction member 6 moves from the heat absorption region 2 to the heat release region 3, heat is released in the heat release region 3, and when the temperature of the heat conduction member 6 is reduced to the normal temperature or the set minimum temperature, the second electromagnet 5 is powered off;
the first electromagnet 4 and the second electromagnet 5 are controlled to be alternately powered on and powered off, the position of the heat conduction piece 6 between the heat absorption area 2 and the heat release area 3 is changed, heat absorbed from the heat absorption area 2 is continuously transferred to the heat release area 3, and the energy utilization rate is improved.
Further, as shown in fig. 1, a heat conducting base layer 9 is disposed in the phototherapy region, and a light source 10 is installed on a surface of the heat conducting base layer away from the heat absorption region; the heat absorption zone 2 is provided with:
the connecting part 7 is positioned in the middle of the heat-conducting base layer 9 and used for mounting the first electromagnet 4;
the heat transfer layer 8 covers the heat conduction base layer 9, is positioned on two sides of the connecting part 7, serves as a heat transfer medium, and is used for transferring heat, absorbed by the heat conduction base layer 9, generated by the light source 10 to the heat conduction piece 6; here, the heat conductor 6 is located outside the heat transfer layer 8. The heat transfer layer 8 has a structure of, for example, a copper film and a nickel film, and copper films made of copper are respectively laid on the upper and lower surfaces of a nickel film made of nickel.
Among them, the type of the light source 10 is, for example, an OLED light source, an LED light source, or an optical fiber;
the light source 10 may be selected according to the treatment requirements, the phototherapy effect of different colors of light:
the irradiation depth of the yellow green light with the wave band of 510 nm-590 nm is between the blue light and the red light, so that the dredging and the expansion of the capillary vessel in the skin depth can be promoted, the resistance of cells is enhanced, and the treatment effect of the affected part is accelerated.
Red light with a waveband of 590-810 nm can enable mitochondria to release cytochrome c oxidase, increase adenosine triphosphate, and enable cells to provide energy by utilizing the adenosine triphosphate, so that the metabolism of the cells is promoted; meanwhile, the red light irradiation heats molecules in the blood vessel, so as to adjust the blood vessel expansion and improve the blood circulation; the blue light irradiation of the 440-510 nm wave band can be used for relieving pain and swelling caused by inflammation.
As shown in fig. 4, the control module is a part marked with reference number 21 in the figure, and is positioned at the top of the phototherapy region; the control module and the power supply circuit connected with the first electromagnet 4 and the second electromagnet 5 are both provided with a wireless transceiving unit, a processing unit of the control module transmits a judgment result signal to the power supply circuit through the wireless transceiving unit, and the processing unit of the power supply circuit makes a corresponding action instruction for a control switch of the power supply circuit according to the corresponding judgment result signal, so that the first electromagnet 4 or the second electromagnet 5 is electrified;
the processing unit of the control module is used for receiving the temperature signal of the heat conduction piece 6 and judging to power on or off the first electromagnet 4 and the second electromagnet 5; the type of the processing unit, such as a microprocessor unit, can be selected from a chip with model MSP430F 4793;
the first electromagnet 4 and the second electromagnet 5 are of the type, for example, of an electromagnetic system of electromagnetic relays and contactors, of an electromagnetic trip of an automatic switch or of an operating electromagnet.
Example 2
In this embodiment, on the basis of embodiment 1, an adjusting component is disposed at the bottom of the heat-conducting base layer 9 for adjusting the irradiation angle of the light source 10;
as shown in fig. 3, the mounting plate 12, using the connecting rod 13 as a connecting medium, is connected to the side of the heat-conducting base layer 9 away from the connecting portion 7 through the connecting rod 13, and the side of the mounting plate 12 away from the heat-conducting base layer 9 is used for mounting the light source 10;
here, the edge of the heat-conducting base layer 9 protrudes out of the mounting plate 12, so that the third electromagnets 16 are designed on two sides of the heat-conducting base layer 9, and the mounting plate 12 is better controlled to swing between the third electromagnets 16;
the adjusting assembly is used for driving the connecting rod 13 to rotate around the first end and driving the mounting plate 12 to swing; here, the first end is a connecting section of the connecting rod 13 and the heat-conducting base layer 9;
specifically, the adjustment assembly includes:
a third electromagnet 16, which is installed at the end of the heat conducting base layer 9 near the side of the installation plate 12 and is used for attracting the metal plate 15;
the metal plate 15 is arranged on the edge of the mounting plate 12, corresponds to the third electromagnet 16 and is used for driving the mounting plate 12 and the light source 10 to swing;
the control module is used for controlling the on-off of a power supply circuit of the third electromagnet 16;
by alternately energizing the two third electromagnets 16, the two third electromagnets 16 alternately attract the corresponding metal plates 15, so that the mounting plate 12 and the light source 10 form a swing to expand the phototherapy area.
As shown in fig. 5, the control module is used to energize the third electromagnet 16 on the left side in the figure, the third electromagnet 16 on the right side is kept deenergized, the third electromagnet 16 on the left side generates magnetism to attract the adjacent metal plate 15 until the metal plate 15 is completely attached to the third electromagnet 16 on the left side, and at this time, the device swings to the maximum angle to the left;
as shown in fig. 6, the control module is used to energize the third electromagnet 16 on the right side in the figure, de-energize the third electromagnet 16 on the left side, and generate magnetism for the third electromagnet 16 on the right side to attract the adjacent metal plate 15 until the metal plate 15 is completely attached to the third electromagnet 16 on the right side, and at this time, the device swings to the right to the maximum angle;
the time of energization of the two third electromagnets is controlled by the clock control unit of the control module, so that the continuous phototherapy region with the maximum area can be formed by the swinging of all the light sources 10.
Further, as shown in fig. 1, the support assembly is disposed at the bottom of the phototherapy apparatus, and is used for separating the light source 10 from the wound position, so as to prevent the light source 10 from directly contacting the wound and causing secondary damage to the wound;
specifically, the support assembly includes: a support body 17 provided at the bottom of the phototherapy apparatus, and having a hollow cavity for accommodating the first support body 18 and the second support body 11; the first supporting body 18 is positioned below the light source 10, and the top of the first supporting body 18 is provided with a mounting groove for mounting the corresponding light source 10; moreover, the part below the mounting groove is made of transparent materials, so that light emitted by the light source can be smoothly transmitted to the skin;
here, the first supporting body 18 and the second supporting body 11 are both elastic and made of transparent materials, so that the installation groove of the first supporting body 18 is prevented from restricting and hindering the swing of the light source 10, and the first supporting body 18 and the second supporting body 11 can be better attached to the skin;
the second support body 11 is positioned below the heat release area 3 and plays a role in supporting the heat release area 3;
the supporting component is only suitable for the condition that a plurality of light sources are independently arranged; when the light source is a continuous light source, the first support 18 is not needed, and only the second support 11 is needed to support the heat release region 3.
Optionally, a light-transmitting region 20 may be designed at the bottom of the support member for better transmission of light emitted by the light source 10 at the wound.
Further, as shown in fig. 1, the flexible base layer 1 is disposed on the surface of the phototherapy device, and the sliding groove and the sliding rail are respectively disposed on the bottom surface of the flexible base layer 1 and the top surface of the heat conduction member 6, and the sliding groove and the sliding rail are used in cooperation, as shown in fig. 7, a portion 22 is a sliding groove, and a portion 23 is a sliding rail, and is used for limiting the movement track of the heat conduction member 6.
Example 3
In the present embodiment, on the basis of embodiment 2, a first temperature sensor is mounted on the heat conductor 6 for detecting the temperature of the heat conductor 6; a second temperature sensor is arranged in the heat release area 3 and used for detecting the temperature of the heat release area 3;
and the control module is used for receiving the temperature signals of the first temperature sensor and the second temperature sensor and controlling the on-off of the power supply circuit of the first electromagnet 4 and the second electromagnet 5 according to the temperature signals.
By arranging the two temperature sensors, when the heat conduction piece 6 and the heat release area 3 reach a first set temperature difference, the heat conduction piece is moved to the heat release area 3, and at the moment, the temperature transfer efficiency is high because the temperature difference between the heat conduction piece 6 and the heat release area 3 is large; when the heat conduction piece 6 and the heat release area 3 reach the second set temperature difference, the heat conduction piece 6 and the heat release area 3 are pulled back to the heat absorption area 2 to absorb heat, and at the moment, because the temperature difference between the heat conduction piece 2 and the heat absorption area 2 is large, the temperature of the heat absorption area 2 can be rapidly absorbed by the heat conduction piece 6 until the temperature difference between the heat conduction piece 6 and the heat release area 3 is large enough; this application has improved endothermic and exothermic efficiency through the control at the endothermic and exothermic difference in temperature of heat-transfer piece 6, and then has improved heat recovery's efficiency.
Example 4
The present embodiment is based on the technical solution of embodiment 3, and as shown in fig. 8, provides a control method, including the following steps:
s10, supplying power to the first electromagnet 4, so that the heat conduction member 6 moves to the first setting position, and the heat conduction member 6 absorbs the heat of the heat absorption region 2; here, as shown in fig. 1, the first set position is a position at which the heat conduction member 6 is moved to the first electromagnet 4 side by the suction force of the first electromagnet 4;
s20, receiving the temperature signal t of the first temperature sensor1And a temperature signal t of the second temperature sensor2；
S30, judgment t1And t2Whether the difference is greater than or equal to a first set temperature difference value; if yes, go to step S40, otherwise go to step S30; wherein the first set temperature difference is 2 in this embodiment;
s40, powering off the first electromagnet 4 and powering on the second electromagnet 5; the heat conduction piece 6 moves to a second set position, the heat conduction piece 6 moves to the heat release area 3, and heat absorbed from the heat absorption area 2 is released in the heat release area 3 and is transmitted to the periphery of the wound through the heat release area 3; here, as shown in fig. 2, the second set position is a position at which the heat conductive member 6 moves to the second electromagnet 5 side by the suction force of the second electromagnet 5;
s50, judgment t1And t2Whether the difference value of (a) is less than or equal to a second set temperature difference value; if so, go to step S60, otherwise go to step S50.
S60, powering off the second electromagnet 5, and instantly powering on the first electromagnet 4 to enable the heat conduction piece 6 to move to the first set position; in the present embodiment, the second set temperature difference value is 0.5.
By alternately supplying power to the first electromagnet 4 and the second electromagnet 5, the heat conduction member 6 reciprocates between the heat absorption region 2 and the heat release region 3, so that heat generated by the light source is reused, thereby improving the energy utilization rate.
Specifically, in the initial state, the first electromagnet 4 is powered, the heat conduction member 6 is adsorbed together with the first electromagnet 4 in the heat absorption area 2, the heat conduction member 6 is at the normal temperature, heat is generated as the phototherapy device works, the heat absorption area 2 gradually increases in temperature, due to the temperature difference between the heat transfer member 6 and the heat absorption region 2, the heat transfer member 6 continuously absorbs the heat of the heat absorption region 2, when the difference between the temperature value of the heat conductive member 6 and the temperature of the heat release region 3 reaches or exceeds the first set temperature difference value, for example 20 c, to de-energize the first electromagnet 4, to energize the second electromagnet 5, to attract the corresponding heat transfer element 6 to the corresponding heat release zone 3, because the temperature difference between the conduction piece 6 and the heat release area 3 is large, the heat of the conduction piece 6 can be rapidly transferred to the heat release area 3, and a heat radiation area is formed around the phototherapy area for auxiliary treatment; when the difference between the temperature value of the heat conduction member 6 and the temperature of the heat release area 3 reaches or is smaller than a second set temperature difference value, for example, 5 ℃, the second electromagnet 5 is powered off, the first electromagnet 4 is powered on, and the above steps are repeated, so that the heat conduction member 6 can continuously absorb heat from the heat absorption area 2 and transfer the heat to the heat release area 3, and the heat recovery efficiency is improved.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims (10)

1. A heat recovery system for a phototherapy device, the phototherapy device having a phototherapy region and coverage areas on either side of the phototherapy region; its characterized in that, heat recovery system is located one side that its plain noodles was kept away from to phototherapy equipment, heat recovery system includes:
a heat absorbing region (2) disposed corresponding to the phototherapy region;
a heat release region (3) arranged corresponding to the covering region;
a heat conductor (6) reciprocating in the heat absorption region (2) and the heat release region (3) and releasing the heat absorbed from the phototherapy region in the coverage area;
and the driving mechanism is used for driving the heat conduction piece (6) to reciprocate.
2. A heat recovery system for a phototherapy device as recited in claim 2, wherein the drive mechanism comprises:
a first electromagnet (4) arranged on the heat absorption zone (2);
the second electromagnet (5) is arranged on one side, far away from the first electromagnet (4), of the heat release area (3);
the control module is used for controlling the on-off of a power supply circuit of the first electromagnet (4) and the second electromagnet (5);
the heat conduction piece (6) is a metal piece and is positioned between the first electromagnet (4) and the second electromagnet (5).
3. A heat recovery system for a phototherapy device as claimed in claim 2, characterized in that the phototherapy zone is provided with a thermally conductive base layer (9) for mounting a light source (10); the heat absorption zone (2) is provided with:
the connecting part (7) is positioned in the middle of the heat-conducting base layer (9); the first electromagnet (4) is arranged on the connecting part (7);
the heat transfer layer (8) covers the heat conduction base layer (9) and is positioned on two sides of the connecting part (7);
the heat conductor (6) is located outside the heat transfer layer (8).
4. A heat recovery system for phototherapy apparatus as claimed in claim 3, wherein the bottom of the heat conducting base layer (9) is provided with an adjusting component for adjusting the irradiation angle of the light source (10).
5. A heat recovery system for phototherapy apparatus as claimed in claim 4, characterized in that the light source (10) is fixed on a mounting plate (12); the mounting plate (12) is connected to one side, far away from the connecting part (7), of the heat-conducting base layer (9) through a connecting rod (13);
the adjusting assembly is used for driving the connecting rod (13) to rotate around the first end so as to drive the mounting plate (12) to swing; the first end is a connecting section of the connecting rod (13) and the heat conducting base layer (9).
6. A heat recovery system for phototherapy equipment as claimed in claim 3, characterized in that the edge of the heat-conducting base layer (9) protrudes beyond the mounting plate (12); the adjustment assembly includes:
the third electromagnet (16) is arranged at the end part of the heat-conducting base layer (9) close to one side of the mounting plate (12);
the metal plate (15) is arranged on the edge of the mounting plate (12) and corresponds to the third electromagnet (16);
and the control module is used for controlling the on-off of the power supply circuit of the third electromagnet (16).
7. A heat recovery system for a phototherapy device as claimed in claim 1, wherein a bottom of the phototherapy device is provided with a support assembly.
8. A heat recovery system for phototherapy device as claimed in claim 1, characterized in that the phototherapy device surface is provided with a flexible base layer (1); the bottom surface of the flexible base layer (1) and the top surface of the heat conduction piece (6) are respectively provided with a matched sliding groove and a matched sliding rail, and the sliding grooves and the matched sliding rails are used for limiting the movement track of the heat conduction piece (6).
9. A heat recovery system for phototherapy devices as claimed in any one of claims 1 to 8, wherein the heat conductor (6) has a first temperature sensor mounted thereon; the heat release area (3) is provided with a second temperature sensor; and the control module is used for receiving temperature signals of the first temperature sensor and the second temperature sensor and controlling the on-off of a power supply circuit of the first electromagnet (4) and the second electromagnet (5) according to the temperature signals.
10. A method of controlling a heat recovery system for a phototherapy apparatus as defined in claim 9, comprising the steps of:
s10, supplying power to the first electromagnet (4) to enable the heat conduction piece (6) to move to the first set position, and enabling the heat conduction piece (6) to absorb heat of the heat absorption area (2);
s20, receiving the temperature signal t of the first temperature sensor1And a temperature signal t of the second temperature sensor2；
S30, judgment t1And t2Whether the difference is greater than or equal to a first set temperature difference value; if yes, go to step S40, otherwise go to step S30;
s40, powering off the first electromagnet (4) and powering on the second electromagnet (5) to enable the heat conduction piece (6) to move to a second set position;
s50, judgment t1And t2Whether the difference value of (a) is less than or equal to a second set temperature difference value; if so, go to step S60, otherwise go to step S50.
And S60, powering off the second electromagnet (5), and instantly powering on the first electromagnet (4) to enable the heat conduction piece (6) to move to the first set position.
CN202111440726.3A 2021-11-30 2021-11-30 Heat recovery system for phototherapy apparatus and control method Active CN114010957B (en)

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