CN220417260U - Heat dissipation components for oral phototherapy devices and oral phototherapy devices - Google Patents
Heat dissipation components for oral phototherapy devices and oral phototherapy devices Download PDFInfo
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- CN220417260U CN220417260U CN202321882939.6U CN202321882939U CN220417260U CN 220417260 U CN220417260 U CN 220417260U CN 202321882939 U CN202321882939 U CN 202321882939U CN 220417260 U CN220417260 U CN 220417260U
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Abstract
本实用新型公开了一种用于口腔光疗装置的散热组件及口腔光疗装置。该散热组件包括散热柱、第一散热片和第二散热片；所述散热柱具有灯板连接部、散热柱本体部和散热片连接部；所述散热柱设置为将口腔光疗装置中位于灯板上的光源产生的热量疏散，并传递至第一散热片和第二散热片；所述灯板连接部具有一坡面，所述坡面用于与口腔光疗装置的灯板相连；所述散热柱本体部的一端与所述灯板连接部相连，所述散热柱本体部的另一端与所述散热片连接部相连；所述灯板连接部用于与第一散热片和第二散热片相接触；所述第一散热片和第二散热设置为将由散热柱传递的热量疏散。该散热组件体积小巧，散热效果好。
The utility model discloses a heat dissipation component for an oral phototherapy device and an oral phototherapy device. The heat dissipation assembly includes a heat dissipation column, a first heat dissipation fin and a second heat dissipation fin; the heat dissipation column has a lamp panel connection part, a heat dissipation column body part and a heat dissipation fin connection part; the heat dissipation column is configured to position the lamp in the oral phototherapy device The heat generated by the light source on the board is evacuated and transferred to the first heat sink and the second heat sink; the light board connection part has a slope, and the slope is used to connect with the light board of the oral phototherapy device; One end of the heat dissipation column body part is connected to the lamp panel connection part, and the other end of the heat dissipation column body part is connected to the heat sink fin connection part; the lamp plate connection part is used to connect with the first heat sink and the second heat dissipation fin. The fins are in contact with each other; the first heat sink and the second heat sink are configured to evacuate the heat transferred by the heat dissipation column. The heat dissipation component is small in size and has good heat dissipation effect.
Description
Technical Field
The utility model relates to a heat dissipation assembly for an oral phototherapy device, and also relates to an oral phototherapy device.
Background
In the photodynamic oral treatment process, the temperature of the LED lamp can rise rapidly in the use process due to high power, and the risk of scalding a user can exist if heat dissipation is not carried out in time. The oral phototherapy device needs to protrude into the oral cavity of the user, and thus the oral phototherapy device cannot be excessively bulky. How to improve the radiating effect of the LED lamp, and the radiating component has a simple and small structure and can be suitable for an oral phototherapy device is a problem to be solved urgently.
CN109954219a discloses a cosmetic lamp for removing acne. The cosmetic lamp has a heat sink. The heat dissipating device comprises a heat sink and a heat dissipating fan. The radiating fin is tightly adhered to the back of the insulating lamp panel, the air outlet direction of the radiating fan is opposite to the radiating fin, and ventilation meshes are cut on the lamp cap shell corresponding to the radiating fan. The heat radiator is suitable for beauty lamp, has large volume and can not be applied to oral phototherapy device.
CN203342209U discloses a phototherapy head. The phototherapy head comprises a body, an LED lamp post, a heat dissipation plate and a separation plate. A heating module is fixed on the heat dissipation plate, and an LED lamp post is arranged on the heating module. The heat dissipation plate is fixedly supported by at least three fixing columns to form a separation plate, and the separation plate is fixedly provided with upright columns which are arranged at intervals. The device dissipates heat through the heat dissipation plate, and the heat dissipation effect is poor.
CN105126254a discloses an oral cavity sterilizing phototherapy device based on blue light LEDs. The LED lamp group is fixedly connected to the heat conduction support through a screw, and a circuit board of the LED lamp group is in contact with and insulated from the heat conduction support. The heat conduction support is internally provided with an arc-shaped heat conduction hole, the support column is provided with two heat conduction pipe through holes in parallel, two ends of the heat conduction hole are respectively connected with one heat conduction pipe through hole, the manual control box part further comprises a pressure pump and a heat dissipation device, the heat conduction hole, the heat conduction pipe through holes, the heat dissipation device in the manual control box part and the pressure pump form a heat dissipation loop, and cooling liquid is arranged in the heat dissipation loop in a tubular shape. The device is provided with a manual control box part, has a large integral structure, needs to use cooling liquid, has a large integral weight and is inconvenient to use.
CN103372265a discloses an oral phototherapy device. The oral phototherapy device comprises a phototherapy head, wherein the phototherapy head comprises a transparent body and a plurality of phototherapy light sources arranged in the transparent body. For effective heat dissipation during phototherapy, the oral phototherapy device can be provided with a cooling loop for water supply circulation, and also can be provided with a heat pipe for heat dissipation, one end of the heat pipe stretches into the phototherapy head to disperse and remove heat in the phototherapy head during phototherapy. The document does not teach how to provide a cooling circuit and a heat pipe.
Disclosure of Invention
Accordingly, an object of the present utility model is to provide a heat dissipation assembly for an oral phototherapy device, which has a small size and a good heat dissipation effect. Another object of the present utility model is to provide an oral phototherapy device that has a good heat dissipation effect. Further, when the oral phototherapy device is not connected with the working sleeve, the light source cannot be started, and damage to human eyes caused by mistaken starting of the light source is prevented.
The technical aim is achieved through the following technical scheme.
In one aspect, the present utility model provides a heat dissipating assembly for an oral phototherapy device comprising a heat dissipating post, a first heat sink, and a second heat sink;
the heat dissipation column is provided with a lamp panel connecting part, a heat dissipation column body part and a heat dissipation fin connecting part; the heat dissipation column is used for evacuating heat generated by a light source positioned on the lamp panel in the oral phototherapy device and transmitting the heat to the first heat dissipation fin and the second heat dissipation fin;
the lamp panel connecting part is provided with a slope surface which is used for being connected with a lamp panel of the oral phototherapy device;
one end of the heat dissipation column body part is connected with the lamp panel connecting part, and the other end of the heat dissipation column body part is connected with the heat dissipation sheet connecting part;
the lamp panel connecting part is used for contacting with the first radiating fin and the second radiating fin;
the first and second heat sinks are configured to evacuate heat transferred by the heat dissipating studs.
According to the heat dissipation assembly of the present utility model, preferably, the first heat dissipation fin and the second heat dissipation fin are respectively located at two sides of the slope surface of the lamp panel connection portion, and are connected with the heat dissipation fin connection portion.
According to the heat dissipation assembly of the present utility model, preferably, an included angle between the slope surface of the lamp panel connection part and the center line of the heat dissipation post is 10-25 °.
According to the heat dissipating assembly of the present utility model, preferably, the projected area of the heat dissipating stud body portion on a plane perpendicular to the center line of the heat dissipating stud is 30 to 60mm 2 。
According to the heat dissipation assembly of the utility model, preferably, the ratio of the area of the slope surface of the lamp panel connecting part to the surface area of the heat dissipation column is 1 (10-20);
the ratio of the area of the slope surface of the lamp panel connecting part to P is 1 (70-95); wherein P is the sum of the surface areas of the heat-dissipating stud, the first heat sink and the second heat sink.
According to the heat dissipating assembly of the present utility model, preferably, the first heat sink has a first heat sink connecting portion and a first heat sink main board accommodating portion; the first radiating fin connecting part is connected with the radiating fin connecting part of the radiating column;
the second radiating fin is provided with a second radiating fin connecting part and a second radiating fin main board accommodating part; the second radiating fin connecting part is connected with the radiating fin connecting part of the radiating column;
the first radiating fin main board accommodating part and the second radiating fin main board accommodating part form a main board accommodating cavity therebetween, and the main board accommodating cavity is used for accommodating a main board of the oral phototherapy device.
In another aspect, the present utility model provides an oral phototherapy device comprising the above heat dissipating assembly.
According to the oral phototherapy device of the present utility model, preferably, the oral phototherapy device further comprises a lamp panel and a main board;
one surface of the lamp panel is attached to the slope of the lamp panel connecting part, and a heat-conducting silica gel layer is arranged between the lamp panel and the lamp panel connecting part; the surface of the lamp panel, which is opposite to the surface attached to the sloping surface of the lamp panel connecting part, is provided with a light source and a thermistor; the lamp panel is electrically connected with the main board;
the motherboard is located between the first heat sink and the second heat sink.
According to the oral phototherapy device of the present utility model, preferably, the oral phototherapy device further comprises a micro switch, a light source sleeve and a working sleeve;
the heat dissipation column body part is provided with a micro switch mounting groove;
at least one part of the micro switch is positioned in the micro switch mounting groove, and the micro switch is arranged to control the connection and disconnection between the lamp panel and the main board;
the light source sleeve is sleeved outside the lamp panel and the heat dissipation column; the light source sleeve is provided with a light source hole and a switch key, the light source hole is arranged to be capable of transmitting light generated by the light source, and the switch key is arranged to be capable of touching the micro switch under the action of external force;
the working sleeve is provided with a working tip connecting hole which is used for being connected with the working tip; the tip connection hole is configured to be transparent to light generated by the light source; when the working sleeve is sleeved on the periphery of the light source sleeve, the working sleeve touches the switch key.
According to the oral phototherapy device of the present utility model, preferably, the oral phototherapy device further comprises a battery, a charging connection plate, a housing, and a control key;
the charging connection plate is electrically connected with the battery and is used for supplying electric energy to the battery;
the battery is electrically connected with the main board, and is used for storing electric energy and supplying electric energy to the main board;
the battery, the main board, the first radiating fins, the second radiating fins and at least one part of charging connecting plate are positioned in a cavity formed by the shell;
the charging connecting plate is provided with a power supply connecting end, the shell is provided with a shell opening, and the power supply connecting end is exposed outside through the shell opening;
the control key is arranged on the shell and connected with the control chip, and the control key is arranged to control the light-emitting and extinguishing of the light source, the light-emitting time of the light source and the wavelength of the light emitted by the light source.
The heat dissipation assembly comprises a heat dissipation column, a first heat dissipation fin and a second heat dissipation fin. The heat dissipation column can disperse heat generated by the light source on one hand, and can convey the heat to the first radiating fin and the second radiating fin on the other hand, so that the heat dissipation effect is enhanced. The heat dissipating stud of the present utility model has a specific structure that can enhance the ability to transfer heat to the heat sink with a limited volume. Further, the heat conduction area and the heat dissipation area of the heat dissipation column reach perfect balance in a limited volume, so that the dynamic balance of heat conduction and heat dissipation is realized, and the heat dissipation effect is improved.
Drawings
Fig. 1 is a schematic diagram of a heat dissipating assembly according to the present utility model assembled with a lamp panel and a motherboard.
Fig. 2 is an exploded view of the heat dissipating assembly shown in fig. 1.
Fig. 3 is a partial enlarged view of a part of the structure of the heat radiation rod shown in fig. 1.
Fig. 4 is a schematic structural view of an oral phototherapy device according to the present utility model.
Fig. 5 is an exploded view of the oral phototherapy apparatus shown in fig. 4.
Fig. 6 is an exploded view of the oral phototherapy apparatus of comparative example 1.
Fig. 7 is an enlarged view of a part of the structure of the oral phototherapy apparatus shown in fig. 6.
The reference numerals are described in detail as follows:
1-a heat radiation column; 101-a lamp panel connection; 1011-sloping surface; 102-a heat dissipation post body portion; 1021-microswitch mounting slots; 103-fin connection; 2-a first heat sink; 201-a first fin connection; 202-a first heat sink motherboard accommodating section; 3-a second heat sink; 301-a second fin connection; 302-a second fin motherboard receiver; 401-a first cavity portion; 402-a second cavity portion; 403-a third cavity portion; 5-a main board; 6, a lamp panel; 7-a light source sleeve; 701-a light source hole; 702—a switch key; 8-working sleeve; 801—a tip attachment hole; 9-battery; 10-a charging connection plate; 11-a housing; 12-control keys; 13-a micro switch; 14-a working tip; 151-heat sink cap; 1511-a heat dissipating cover body; 15111-opening holes of the elastic sheets; 1522—a heat sink cap connection; 152-a heat dissipation plate; 1521—a heat dissipating plate body; 1522-a heat dissipating plate connecting portion; 16-a metal substrate; 161-shrapnel.
Detailed Description
The present utility model will be further described with reference to specific examples, but the scope of the present utility model is not limited thereto.
< Heat sink Assembly >
The heat dissipation assembly comprises a heat dissipation column, a first heat dissipation fin and a second heat dissipation fin. The heat radiation component is suitable for oral phototherapy devices. The oral phototherapy device needs to extend into the oral cavity of the patient, and the space in the oral cavity is limited, so that the volume of the heat dissipation component suitable for the oral phototherapy device cannot be too large. This requires that the heat dissipation effect of the heat dissipation assembly be improved within a limited volume.
Heat dissipation column
The heat dissipation column of the utility model is provided with a lamp panel connecting part, a heat dissipation column body part and a heat dissipation sheet connecting part. The heat dissipation column is arranged to disperse heat generated by a light source positioned on the lamp panel in the oral phototherapy device and transfer the heat to the first heat dissipation sheet and the second heat dissipation sheet.
The heat dissipation column is a cylinder as a whole. The heat dissipation column is of a solid structure. A connecting wire slot is arranged in the heat dissipation column. The connecting wire passes through the connecting wire slot, and the lamp panel positioned at the lamp panel connecting part is connected with the main board positioned between the first radiating fin and the second radiating fin.
One end of the heat dissipation column body part is connected with the lamp panel connecting part. The other end of the heat dissipation column body part is connected with the heat dissipation fin connecting part. The lamp panel connecting part, the heat dissipation column body part and the heat dissipation fin connecting part can be of an integrated structure.
The lamp panel connecting part is provided with a slope. The slope surface is used for being connected with a lamp panel of the oral phototherapy device. The included angle between the slope surface of the lamp panel connecting part and the central line of the heat dissipation column is 10-25 degrees; preferably 13 to 20. The area of the slope surface can be 90-140 mm 2 The method comprises the steps of carrying out a first treatment on the surface of the Preferably 100 to 120mm 2 . The slope surface is arranged to enable the light source to extend into the rear part of the oral cavity to treat the rear tooth part; on the other hand, the contact area of the lamp panel and the heat dissipation column can be increased under the limited volume, the heat dissipation area of the heat dissipation column can be ensured, and the heat dissipation effect is improved.
The projection area of the heat dissipation post body part on the surface perpendicular to the center line of the heat dissipation post can be 30-60 mm 2 The method comprises the steps of carrying out a first treatment on the surface of the Preferably 40 to 50mm 2 . This helps to rapidly transfer heat to the first and second heat sinks, improving the heat dissipation effect.
The ratio of the area of the slope surface of the lamp panel connecting part to the surface area of the heat dissipation column can be 1 (10-20); preferably 1 (14-18). Therefore, the heat dissipation column has proper heat transfer area and heat dissipation area in a limited volume, so that heat conduction and heat dissipation reach dynamic balance, and a good dissipation effect is achieved.
The lamp panel connecting part can be provided with a micro switch groove mounting groove. The microswitch mounting groove is used for mounting the microswitch. The micro switch is used for controlling the connection and disconnection between the lamp panel and the main board.
The heat sink connecting portion is used for contacting with the first heat sink and the second heat sink. The fin connection portion may be provided with a heat dissipation post connection hole. The first radiating fin, the second radiating fin and the radiating column are connected through the radiating column connecting hole.
The heat dissipation pillars may be formed of an aluminum alloy.
First radiating fin and second radiating fin
The first and second heat sinks disperse heat transported by the heat dissipation post. The first radiating fin and the second radiating fin are respectively contacted with the radiating fin connecting part of the radiating column. The first radiating fin and the second radiating fin can be fixedly connected with the radiating fin connecting part of the radiating column respectively. The first radiating fins and the second radiating fins are respectively arranged on two sides of the slope surface of the lamp panel connecting part.
The surface area of the first heat sink is larger than the surface area of the heat dissipation post. In some embodiments, the first heat sink has a first heat sink connection portion and a first heat sink motherboard receiving portion. The first heat sink connecting portion is connected with the first heat sink main board accommodating portion. The first fin connecting portion and the first fin main plate accommodating portion may be an integral structure. The first heat sink may be formed of an aluminum alloy.
The surface area of the second heat sink is larger than the surface area of the heat dissipation post. In some embodiments, the second heat sink has a second heat sink connection portion and a second heat sink motherboard receiving portion. The second cooling fin connecting portion is connected with the second cooling fin main board accommodating portion. The second fin connecting portion and the second fin main plate accommodating portion may be an integral structure. The second heat sink may be formed of an aluminum alloy.
The first radiating fin connecting portion is connected with the radiating column. The first fin connection portion may be provided with a first fin connection hole. The first radiating fin is connected with the radiating column through the first radiating fin connecting hole and the radiating column connecting hole.
The second radiating fin connecting portion is connected with the radiating column. The second fin connection portion may be provided with a second fin connection hole. And connecting the first radiating fin with the radiating column through the second radiating fin connecting hole and the radiating column connecting hole.
The first fin main board accommodating portion and the second fin main board accommodating portion form a main board accommodating chamber. The first cooling fin main board accommodating part and the second cooling fin main board accommodating part are oppositely arranged. The main board accommodating cavity can accommodate a main board.
The main board accommodating cavity is provided with a first cavity part, a second cavity part and a third cavity part which are communicated in sequence. The first cavity portion is adjacent to the first fin connecting portion and the second fin connecting portion. In the first cavity part, the distance between the first radiating fin and the second radiating fin is denoted by F; in the second cavity part, the distance between the first radiating fin and the second radiating fin is denoted by S; in the third front cavity portion, a distance between the first heat sink and the second heat sink is denoted by T; s is more than T and more than or equal to F. In certain embodiments, S > T > F. This can improve the heat conduction efficiency. The outer surfaces of the first radiating fins positioned in the second cavity part are protruded in a direction away from the main board accommodating cavity. The outer surfaces of the second cooling fins positioned in the second cavity part are protruded in a direction away from the accommodating cavity. Thus, the heat radiator is convenient for a user to hold, the surface area of the heat radiator can be increased, and the heat conduction efficiency is improved.
The ratio of the area of the slope surface of the lamp panel connecting part to P is 1 (70-95); preferably 1 (75-90); more preferably 1 (85 to 90); wherein P is the sum of the surface areas of the heat-dissipating stud, the first heat sink and the second heat sink. The surface area of the first heat sink means the area of the surface of the first heat sink away from the motherboard accommodating cavity, and the surface area of the second heat sink means the area of the surface of the second heat sink away from the motherboard accommodating cavity. The sum of the surface areas of the first heat sink and the second heat sink may be 7500 to 9000mm 2 The method comprises the steps of carrying out a first treatment on the surface of the Preferably 8000 to 8500mm 2 . Therefore, the heat transfer and heat evacuation of the whole heat dissipation assembly can be ensured to maintain dynamic energy balance, and the heat dissipation effect of the heat dissipation assembly is improved.
< oral phototherapy device >
The oral phototherapy device of the present utility model includes a heat dissipating assembly. In certain embodiments, one or more of a motherboard, a light panel, a micro switch, a light source sleeve, a work sleeve, a battery, a charging connection board, a housing, control keys, and a work tip are also included. The structure of the heat dissipation assembly is as described above, and will not be described herein. The structure of the other components of the oral phototherapy apparatus will be described in detail.
Main board
The motherboard of the present utility model is configured to control a light source. The main board can control the light-emitting and extinguishing of the light source. The main board can control the light emitting time of the light source. The main board can control the wavelength of the light emitted by the light source. The main board is provided with a control chip and a control circuit. Conventional control chips and control circuits may be employed and are not described in detail herein.
The main board is arranged between the first radiating fin and the second radiating fin. Specifically, the motherboard is disposed in a motherboard accommodating chamber formed by the first heat sink and the second heat sink.
Lamp panel
The lamp panel is electrically connected with the main board.
One surface of the lamp panel is attached to the slope of the lamp panel connecting part of the heat dissipation column. Specifically, the lamp panel covers on the slope of lamp panel connecting portion. A heat-conducting silica gel layer can be arranged between the lamp panel and the sloping surface of the lamp panel connecting part. The heat conduction silica gel layer can be used for connecting the lamp panel with the heat dissipation column, and heat transfer of the lamp panel to the heat dissipation column is not affected.
The surface of the lamp panel opposite to the surface attached to the lamp panel connecting part is provided with a light source. In some embodiments, a thermistor is also provided on a surface of the lamp panel opposite the surface to which the lamp panel connection is attached.
The lamp panel contains metal aluminum.
The light source is arranged on the light source mounting surface. The light source of the present utility model is preferably a light source capable of emitting blue light of 430 to 450nm and/or red light of 630 to 650 nm. The light source may be an LED light source.
The thermistor is arranged to detect the temperature of the lamp panel and transmit an electrical signal to the main board. And a control chip on the main board controls the connection and disconnection of the light source and the power supply according to the received electric signals. Therefore, when the temperature of the lamp panel is too high, the light source is disconnected from the power supply, and the over-temperature protection is realized.
Micro-switch
At least a portion of the microswitch of the present utility model is located in the microswitch mounting slot. The micro switch is electrically connected with the main board. The micro switch is arranged to control the connection and disconnection between the lamp panel and the main board.
Light source sleeve
The light source sleeve is sleeved outside the lamp panel and the heat dissipation column.
The light source sleeve is provided with a light source hole. Light generated by the light source can pass through the light source hole. The projected area of the light source hole on the plane of the lamp panel is larger than the projected area of the light source on the plane of the lamp panel. Preferably, the projection of the light source on the plane of the lamp panel falls within the projection range of the light source hole on the plane of the lamp panel. Preferably, the projection of the light source on the plane of the lamp panel is positioned in the middle of the projection of the light source hole on the plane of the lamp panel.
The light source sleeve is provided with a switch button. The switch key is arranged to trigger the micro switch under the action of external force. In some embodiments, at least a portion of the switch button is disposed on an outer surface of the light source sleeve and protrudes outward of the light source sleeve. The switch key can move towards the direction of the micro switch under the action of external force. The switch key triggers the micro switch to enable the main board to be communicated with the light source.
Working sleeve
The working sleeve is provided with a working tip connecting hole. The working tip connecting hole is connected with the working tip. Light generated by the light source can pass through the working point connecting hole. The projected area of the working point connecting hole on the plane of the lamp panel is larger than or equal to the projected area of the light source on the plane of the lamp panel. When the working sleeve is sleeved on the periphery of the light source sleeve, the projection of the light source on the plane of the lamp panel falls into the projection range of the working point connecting hole on the plane of the light source. Because the working sleeve presses the switch key, the switch key moves towards the direction of the micro switch, so that the micro switch is triggered, and the light source is communicated with the main board.
The working cannula may be coupled to the housing. The connection mode of the working sleeve and the shell is not limited, and the working sleeve and the shell can be connected by adopting a conventional connection mode in the field, such as buckle connection or mortise-tenon connection.
Battery, charging connectionBoard and charging base
The battery of the utility model is electrically connected with the main board. The battery stores electric power and supplies the electric power to the main board.
The charging connection plate is electrically connected with the battery. The charging connection plate supplies electric energy to the battery. The charging connection board is provided with a power supply connection end, and the power supply connection end is connected with an external power supply. In some embodiments, the power connection is connected to the charging base.
Shell and control button
The battery, the main board, the first radiating fin, the second radiating fin and at least a part of the charging connecting plate are positioned in a cavity formed by the shell. The housing is provided with a housing opening exposing the power connection end to the outside.
The control button sets up on the shell, and control button links to each other with control chip. The control key can control the light emission and extinction of the light source, the light emission time of the light source and/or the wavelength of the light emitted by the light source.
Working tip
The working tip is connected with the working tip connecting hole. The light source penetrating through the connecting hole of the working tip is concentrated to the part to be treated. The shape of the tip may be determined according to the shape applicable to the location being treated. For example, the tip may be tapered, cylindrical, etc.
Example 1
As shown in fig. 1 and 2, the heat radiating assembly for an oral phototherapy device of the present utility model includes a heat radiating column 1, a first heat radiating fin 2, and a second heat radiating fin 3.
The heat dissipation column 1 is of a solid structure. The heat dissipation column 1 is a cylinder as a whole. A connection wire groove (not shown) is provided in the heat dissipation column 1. The connecting wire passes through the connecting wire groove to connect the lamp panel 6 positioned at the lamp panel connecting part 101 with the main board 5 positioned between the first radiating fin 2 and the second radiating fin 3. The heat dissipation column 1 is used for evacuating heat generated by a light source of the oral phototherapy device, which is positioned on the lamp panel 6, and transmitting the heat to the first heat dissipation sheet 2 and the second heat dissipation sheet 3.
The heat radiation column 1 has a lamp panel connection portion 101, a heat radiation column body portion 102, and a heat radiation fin connection portion 103. The lamp panel connection portion 101, the heat dissipation pillar body portion 102, and the heat dissipation fin connection portion 103 may be an integral structure.
The lamp panel connecting portion 101 has a slope 1011. The ramp 1011 is adapted to be connected to a light panel 6 of an oral phototherapy device. The area of the slope 1011 is 116mm 2 . As shown in fig. 3, the included angle α between the slope 1011 and the center line of the heat dissipation post 1 is 15 °.
One end of the heat radiation post body portion 102 is connected to the lamp panel connecting portion 101, and the other end is connected to the heat radiation fin connecting portion 103. The projection area of the heat dissipation post body portion 102 in a plane perpendicular to the center line of the heat dissipation post 1 is 46.9mm 2 . The heat dissipation post body 102 may be provided with a micro switch mounting groove 1021. The microswitch mounting slot 1021 is used for mounting the microswitch 13. The micro switch 13 is used for controlling the connection and disconnection between the lamp panel 6 and the main board 5.
The fin connecting portion 103 has a heat radiation column connecting hole. The fin connecting portion 103 is for connecting the first fin 2 and the second fin 3.
The surface area of the heat-dissipating column 1 was 1871mm 2 . The heat dissipation column is formed of an aluminum alloy.
The first heat sink 2 and the second heat sink 3 are disposed on both sides of the slope 1011 of the lamp panel connection 101, respectively.
The first heat sink 2 evacuates the heat delivered by the heat-radiating columns 1. The first heat sink 2 has a first heat sink connecting portion 201 and a first heat sink main board accommodating portion 202. The first fin connection portion 201 is connected to the first fin main plate accommodating portion 202. The first fin connection portion 201 and the first fin main plate receiving portion 202 may be of an integral structure.
The second heat sink 3 evacuates the heat delivered by the heat-radiating columns 1. The second heat sink 3 has a second heat sink connecting portion 301 and a second heat sink main board accommodating portion 302. The second fin connection portion 301 is connected to the second fin main plate accommodating portion 302. The second fin connection portion 301 and the second fin main plate receiving portion 302 may be of an integral structure.
The first fin connection portion 201 has a first fin connection hole. The second fin connection portion 301 has a second fin connection hole. The bolts connect the heat-dissipating studs 1, the first heat-dissipating fins 2 and the second heat-dissipating fins 3 through the first heat-dissipating-fin connecting holes, the second heat-dissipating-fin connecting holes and the heat-dissipating stud connecting holes.
The first fin motherboard accommodating portion 202 and the second fin motherboard accommodating portion 302 are disposed opposite to each other, and form a motherboard accommodating cavity. The main board accommodation chamber is used for accommodating the main board 5.
The main board accommodating chamber has a first chamber portion 401, a second chamber portion 402, and a third chamber portion 403 which are sequentially communicated. The first cavity portion 401 is adjacent to the first fin connection portion 201 and the second fin connection portion 301. In the first cavity portion 401, a distance between the first heat sink 2 and the second heat sink 3 is denoted by F; in the second cavity 402, a distance between the first heat sink 2 and the second heat sink 3 is denoted by S; in the third front cavity portion 403, a distance between the first heat sink 2 and the second heat sink 3 is denoted by T; s > T > F. The outer surface of the first heat sink 2 located in the second cavity portion 402 is convex in a direction away from the motherboard accommodating cavity. The outer surface of the second heat sink 3 located in the second cavity portion 402 is convex in a direction away from the motherboard accommodating cavity.
The sum of the surface areas of the first heat sink and the second heat sink is 8380mm 2 . The first heat sink and the second heat sink are each formed of an aluminum alloy.
Example 2
As shown in fig. 4 and 5, the oral phototherapy device of the present utility model includes a main board 5, a lamp panel 6, a light source sleeve 7, a working sleeve 8, a battery 9, a charging connection board 10, a housing 11, a control key 12, a micro switch 13, a connection line, and a heat dissipation assembly of embodiment 1.
The surface a of the lamp panel 6 is attached to the slope 1011 of the lamp panel connecting portion 101, and covers the slope 1011. A heat-conducting silica gel layer is arranged between the lamp panel 6 and the slope 1011. On the one hand, the lamp panel 6 can be connected with the heat dissipation column 1, and on the other hand, the heat of the lamp panel 6 can be transferred to the heat dissipation column 1.
A light source and a thermistor are provided on a surface B of the lamp panel 6 opposite to the surface a. In this embodiment, the lamp panel 6 contains metallic aluminum.
The connecting wire (not shown) passes through the connecting wire slot arranged in the heat dissipation column 1 to connect the lamp panel 6 and the main board 5.
The main board 5 is provided with a control chip and a control circuit. The main board 5 controls the light source. The motherboard 5 is located in a motherboard accommodating cavity formed by the first heat sink 2 and the second heat sink 3.
The light source is capable of emitting red and blue light. The light source may be an LED light source.
The thermistor detects the temperature of the lamp panel 6 and transmits an electrical signal to the main board 5. The control chip on the main board 5 controls the connection and disconnection of the light source and the power supply according to the received electric signals. When the temperature of the lamp panel 6 is too high, the light source is disconnected from the power supply, so that over-temperature protection is realized.
At least a portion of the micro switch 13 is located in the micro switch mounting groove 1021.
The light source sleeve 7 is sleeved outside the lamp panel 6 and the heat dissipation post 1. The light source sleeve 7 is provided with a light source hole 701 and a switch button 702.
Light generated by the light source may be transmitted through the light source hole 701. The projected area of the light source hole 701 on the plane of the lamp panel 6 is larger than the projected area of the light source on the plane of the lamp panel 6. In some embodiments, the center of the projection of the light source hole 701 onto the plane of the light panel 6 coincides with the center of the projection of the light source onto the plane of the light panel 6.
At least a portion of the switch button 702 is provided on the outer surface of the light source sleeve 7 and protrudes to the outside of the light source sleeve 7. The switch button 702 can move toward the micro switch 13 by a force. The switch button 702 activates the micro switch 13, thereby connecting the main board 5 and the lamp panel 6.
The working sleeve 8 is provided with a working tip connection hole 801. Tip attachment aperture 801 is adapted to be coupled to tip 14. Light generated by the light source is transmitted through the tip attachment hole 801. The projected area of the tip connection hole 801 on the plane of the lamp panel 6 is larger than the projected area of the light source on the plane of the lamp panel 6. When the working sleeve 8 is sleeved on the periphery of the light source sleeve 7, the projection of the light source on the plane of the lamp panel 6 falls into the projection range of the working tip connecting hole 801 on the plane of the lamp panel 6; and because the working sleeve 8 extrudes the switch key 702, the switch key 702 moves towards the direction of the micro switch 13, and presses the micro switch 13, so that the light source is communicated with the main board 5.
The battery 9 is electrically connected to the main board 5. The battery 9 stores electric power and supplies the electric power to the main board 5.
The charging connection board 10 is electrically connected to the battery 9. The charging connection plate 10 supplies electric power to the battery 9. The charging connection board 10 has a power connection terminal connected to an external power source.
The battery 9, the main board 5, the first heat sink 2, the second heat sink 3 and a portion of the charging connection board 10 are located within a cavity formed by the housing 11. The housing 11 is provided with a housing opening exposing the power connection end of the charging connection plate 10 to the outside. The housing 11 may be formed of a plastic material.
The control key 12 is arranged on the housing 11, and the control key 12 is connected with the control chip. The control key 12 controls the light emission and extinction of the light source, the light emission time of the light source 201, and the wavelength of the light emitted by the light source 201.
Tip 14 is connected to tip connection hole 801. The tip 14 concentrates the light source emitted through the tip attachment hole 801 to the site to be treated.
Example 3
Example 2 was the same as that of example 2 except for the following structure:
the oral hygiene device of the present embodiment further comprises a charging base (not shown). The charging base is connected with the power supply connection of the charging connection board 10.
Comparative example 1
The same as in embodiment 2 is repeated except that the heat dissipation pillar 1 is replaced with a heat dissipation cover 151 and a heat dissipation plate 152, and the lamp panel 6 is replaced with a metal substrate 16.
The oral phototherapy device of this comparative example is specifically shown in fig. 6 to 7. The structures of the heat dissipation cover 151, the heat dissipation plate 152, and the metal substrate 16 are specifically as follows:
the metal substrate 16 is electrically connected to the motherboard 5. The light source is located on one surface of the metal substrate 16. The light source is disposed at an end of the metal substrate 16 remote from the main board 5. The metal substrate 16 contains metal aluminum.
The heat sink 152 has a heat sink body 1521 and a heat sink connecting portion 1522. The heat sink body 1521 is connected to the heat sink connection portion 1522. The heat sink body 1521 and the heat sink connecting portion 1522 are integrally structured.
The heat sink body 1521 is attached to a surface of the metal substrate 16 opposite to the surface having the light source. The projection of the heat dissipating plate body 1521 on the plane of the metal substrate 16 coincides with the metal substrate 16.
The material of the heat dissipation plate 152 is the same as that of the heat dissipation column 1 in embodiment 1.
The heat dissipation cap 151 has a heat dissipation cap body 1511 and a heat dissipation cap connection portion 1512. The heat radiation cover body 1511 is connected to the heat radiation cover connection portion 1512. The heat radiation cover body 1511 and the heat radiation cover connection portion 1512 are of an integral structure.
The heat radiation cover body 1511 covers over the surface of the metal substrate 16 having the light source without shielding the light source. The metal substrate 16 falls into the projection range of the heat dissipation cover body 1511 on the plane of the metal substrate 16.
The material of the heat dissipation cap 151 is the same as that of the heat dissipation post 1 in embodiment 1.
The heat sink cap connection portion 1512 is connected to the heat sink plate connection portion 1522. The heat dissipation cover 151, the metal substrate 16, and the heat dissipation plate 152 are fixed by bolts.
The heat radiating cover 151 and the heat radiating plate 152 transfer heat to the first heat radiating fin 2 and the second heat radiating fin 3.
The first heat sink 2 and the second heat sink 3 are located on both sides of the surface of the metal substrate 16 having the light source, respectively. The first fin connection portion 201, the heat dissipation plate connection portion 1522, the heat dissipation cover connection portion 1512, and the second fin connection portion 301 are connected.
The metal substrate 16 is provided with a spring piece 161 near one end close to the main board 5. The spring plate 161 and the light source are located on the same surface of the metal substrate 16. The spring plate 161 controls the connection and disconnection of the main board 1 and the light source.
The heat dissipation cover body 1511 is provided with a spring piece opening 15111 at a position matching with the spring piece 161. At least a portion of the projection of the dome aperture 15111 on the plane of the metal substrate 16 coincides with the projection of the dome 161 on the plane of the metal substrate 16.
The light source sleeve 7 is sleeved outside the heat dissipation cover 151, the heat dissipation plate 152 and the metal substrate 16. The light source sleeve 7 is provided with a light source hole 701 and a switch button 702. The switch button 702 can move in the direction of the spring plate 161 under the action of force. The switch button 702 touches the spring plate 161, so that the main board 5 and the light source are communicated.
Experimental example
Opening the oral phototherapy device to enable the oral phototherapy device to continuously work until the experiment is finished, or triggering over-temperature protection to finish the experiment. Recording the continuous working time of the oral phototherapy device when the overtemperature protection is triggered or the continuous working time of the oral phototherapy device when the experiment is finished, and taking 30s as a timing unit; and the temperature at the tip connection hole 801 in the initial state and at the end of the experiment and the temperature of the outer surface of the side wall of the working sleeve 8 opposite to the tip connection hole 801 at the end of the experiment (hereinafter referred to as "outer surface D") were recorded. Each oral phototherapy device was tested multiple times and the data obtained is specifically shown in the following table.
As can be seen from the above table, the oral phototherapy device provided by the utility model has a good heat dissipation effect, can timely disperse heat generated by the light source, and has long continuous working time. After the test was completed, the oral phototherapy device of example 2 was heated throughout the body, whereas the device of comparative example 1 was heated only near the head of the light source, which indicates that the oral phototherapy device of the present utility model had good heat transfer and heat evacuation effects.
The present utility model is not limited to the above-described embodiments, and any modifications, improvements, substitutions, and the like, which may occur to those skilled in the art, fall within the scope of the present utility model without departing from the spirit of the utility model.
Claims (10)
1. A heat dissipation assembly for an oral phototherapy device, comprising a heat dissipation post, a first heat dissipation plate and a second heat dissipation plate;
the heat dissipation column is provided with a lamp panel connecting part, a heat dissipation column body part and a heat dissipation fin connecting part; the heat dissipation column is used for evacuating heat generated by a light source positioned on the lamp panel in the oral phototherapy device and transmitting the heat to the first heat dissipation fin and the second heat dissipation fin;
the lamp panel connecting part is provided with a slope surface which is used for being connected with a lamp panel of the oral phototherapy device;
one end of the heat dissipation column body part is connected with the lamp panel connecting part, and the other end of the heat dissipation column body part is connected with the heat dissipation sheet connecting part;
the lamp panel connecting part is used for contacting with the first radiating fin and the second radiating fin;
the first and second heat sinks are configured to evacuate heat transferred by the heat dissipating studs.
2. The heat dissipating assembly of claim 1, wherein the first heat sink and the second heat sink are located on two sides of the sloping surface of the light panel connection portion, respectively, and are connected to the heat sink connection portion.
3. The heat dissipating assembly of claim 1, wherein the angle between the slope of the light panel connection and the center line of the heat dissipating post is between 10 ° and 25 °.
4. The heat sink assembly of claim 1 wherein the projected area of the heat sink post body portion in a plane perpendicular to the center line of the heat sink post is 30 to 60mm 2 。
5. The heat dissipating assembly of claim 1 wherein the ratio of the area of the sloping surface of the light panel connection to the surface area of the heat dissipating post is 1 (10-20);
the ratio of the area of the slope surface of the lamp panel connecting part to P is 1 (70-95); wherein P is the sum of the surface areas of the heat-dissipating stud, the first heat sink and the second heat sink.
6. The heat dissipating assembly of claim 1 wherein said first heat sink has a first heat sink connecting portion and a first heat sink motherboard receiving portion; the first radiating fin connecting part is connected with the radiating fin connecting part of the radiating column;
the second radiating fin is provided with a second radiating fin connecting part and a second radiating fin main board accommodating part; the second radiating fin connecting part is connected with the radiating fin connecting part of the radiating column;
the first radiating fin main board accommodating part and the second radiating fin main board accommodating part form a main board accommodating cavity therebetween, and the main board accommodating cavity is used for accommodating a main board of the oral phototherapy device.
7. An oral phototherapy device comprising the heat dissipation assembly of any one of claims 1-6.
8. The oral phototherapy device according to claim 7, further comprising a light panel and a motherboard;
one surface of the lamp panel is attached to the slope of the lamp panel connecting part, and a heat-conducting silica gel layer is arranged between the lamp panel and the lamp panel connecting part; the surface of the lamp panel, which is opposite to the surface attached to the sloping surface of the lamp panel connecting part, is provided with a light source and a thermistor; the lamp panel is electrically connected with the main board;
the motherboard is located between the first heat sink and the second heat sink.
9. The oral phototherapy device of claim 8, further comprising a micro switch, a light source sleeve, and a working sleeve;
the heat dissipation column body part is provided with a micro switch mounting groove;
at least one part of the micro switch is positioned in the micro switch mounting groove, and the micro switch is arranged to control the connection and disconnection between the lamp panel and the main board;
the light source sleeve is sleeved outside the lamp panel and the heat dissipation column; the light source sleeve is provided with a light source hole and a switch key, the light source hole is arranged to be capable of transmitting light generated by the light source, and the switch key is arranged to be capable of touching the micro switch under the action of external force;
the working sleeve is provided with a working tip connecting hole which is used for being connected with the working tip; the tip connection hole is configured to be transparent to light generated by the light source; when the working sleeve is sleeved on the periphery of the light source sleeve, the working sleeve touches the switch key.
10. The oral phototherapy device of claim 9, further comprising a battery, a charging connection plate, a housing, and control keys;
the charging connection plate is electrically connected with the battery and is used for supplying electric energy to the battery;
the battery is electrically connected with the main board, and is used for storing electric energy and supplying electric energy to the main board;
the battery, the main board, the first radiating fins, the second radiating fins and at least one part of charging connecting plate are positioned in a cavity formed by the shell;
the charging connecting plate is provided with a power supply connecting end, the shell is provided with a shell opening, and the power supply connecting end is exposed outside through the shell opening;
the control key is arranged on the shell and connected with the control chip, and the control key is arranged to control the light-emitting and extinguishing of the light source, the light-emitting time of the light source and the wavelength of the light emitted by the light source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321882939.6U CN220417260U (en) | 2023-07-18 | 2023-07-18 | Heat dissipation components for oral phototherapy devices and oral phototherapy devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321882939.6U CN220417260U (en) | 2023-07-18 | 2023-07-18 | Heat dissipation components for oral phototherapy devices and oral phototherapy devices |
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| CN220417260U true CN220417260U (en) | 2024-01-30 |
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| CN202321882939.6U Active CN220417260U (en) | 2023-07-18 | 2023-07-18 | Heat dissipation components for oral phototherapy devices and oral phototherapy devices |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116747456A (en) * | 2023-07-18 | 2023-09-15 | 长沙微笑美齿智能科技有限公司 | Oral phototherapy device |
-
2023
- 2023-07-18 CN CN202321882939.6U patent/CN220417260U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116747456A (en) * | 2023-07-18 | 2023-09-15 | 长沙微笑美齿智能科技有限公司 | Oral phototherapy device |
| CN116747456B (en) * | 2023-07-18 | 2025-11-18 | 长沙微笑美齿智能科技有限公司 | Oral phototherapy device |
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