CN214381020U - Mobile phone heat dissipation mechanism and mobile phone shell - Google Patents
Mobile phone heat dissipation mechanism and mobile phone shell Download PDFInfo
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- CN214381020U CN214381020U CN202022704811.3U CN202022704811U CN214381020U CN 214381020 U CN214381020 U CN 214381020U CN 202022704811 U CN202022704811 U CN 202022704811U CN 214381020 U CN214381020 U CN 214381020U
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Abstract
The application discloses a mobile phone heat dissipation mechanism and a mobile phone shell, wherein the mobile phone heat dissipation mechanism is used for dissipating heat of a heating element on a mobile phone and comprises an annular air guide piece and a compressor, a convection channel, an air outlet and an air inlet are arranged on the annular air guide piece, the air outlet is communicated with the convection channel, the convection channel surrounds a circle along the annular air guide piece, and the air outlet is arranged along the inner periphery of the annular air guide piece; the air inlet of the convection channel is communicated with the compressor, the compressor blows airflow towards the air inlet, the airflow flows to the air outlet through the convection channel and is blown out towards the center of the annular air guide by the direction of the air outlet. The mobile phone heat radiation structure provided by the embodiment of the application blows to the annular air guide piece through the arranged compressor, and the heat generated by mobile phone components is taken away quickly by forming convection in a hollow area formed by the annular air guide piece through the annular convection channel and the air outlet.
Description
Technical Field
The application generally relates to the technical field of mobile phone accessories, in particular to a mobile phone heat dissipation mechanism and a mobile phone shell.
Background
The smart mobile phone can send more heat in long-time use or when running a large amount of programs, along with the continuous promotion of cell-phone performance, the calorific capacity of cell-phone is also bigger and bigger, and if this part heat can not timely heat dissipation go out, can cause the cell-phone to react slowly, reduces the life of battery.
Although the heat dissipation design technology of mobile phones is continuously improved by various manufacturers, the problem of heat generation still cannot be well solved, and the temperature can reach 45-50 ℃ when large-scale games are played. Due to the protection of the mobile phone, people can protect the mobile phone by using the mobile phone shell, and the mobile phone shell can make the heat dissipation of the mobile phone more difficult.
In the prior art, the heat dissipation mobile phone protection shell mainly has two types. The first is liquid cooling heat dissipation, which has a limited heat dissipation effect, and the main principle is to use heat dissipation fins such as copper tubes or vapor chambers built in the mobile phone protection shell to dissipate heat. Although the heat sink can transmit heat from the mobile phone to the heat sink in time, the protective shell is mostly made of plastic, which is a poor conductor of heat, and cannot dissipate the heat of the heat sink in time, so the heat dissipation effect is limited.
The second type is mainly air cooling heat dissipation, in the prior art, a mode of directly installing a fan is generally adopted, the acting area of wind blown out by the fan is small, and heat generated by a fan motor is also dissipated by the fan; the mode has large electricity consumption and large volume, and the fan blades are easy to accumulate dust when leaking outwards, and the rotating noise of the fan is also large.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned defects or shortcomings in the prior art, it is desirable to provide a heat dissipation mechanism for a mobile phone and a mobile phone case, which can achieve high heat dissipation of the mobile phone.
On one hand, the application provides a mobile phone heat dissipation mechanism for dissipating heat of a heating element on a mobile phone, which comprises an annular air guide part and a compressor, wherein the annular air guide part is provided with a convection channel, an air outlet and an air inlet which are communicated with the convection channel, the convection channel surrounds the annular air guide part for a circle, and the air outlet is arranged along the inner periphery of the annular air guide part; the air inlet of the convection channel is communicated with the compressor, the compressor blows airflow towards the air inlet, the airflow flows to the air outlet through the convection channel and is blown out towards the center of the annular air guide by the direction of the air outlet.
Preferably, the air outlet holes are radially arranged along the axis of the inner periphery.
Further, the internal periphery of annular air guide, the cell-phone shell on partly of inner shell and the cell-phone shell on partly of shell form the cavity region of annular air guide, cavity region sets up in cell-phone heating element position department, annular air guide includes upper surface and lower surface, the lower surface is close to heating element.
Preferably, the air outlet hole is provided with an inclination angle relative to the axis of the annular air guide member, and the air outlet direction of the air outlet hole faces the lower surface.
Preferably, the inner circumference of the annular air guide is tapered in a section parallel to the axial direction, and the diameter of the inner circumference is gradually increased in a direction from the lower surface to the upper surface.
On the other hand, this application still provides a cell-phone shell, be provided with as above arbitrary on the cell-phone shell the cell-phone heat dissipation mechanism, hollow region sets up the top at cell-phone heating element.
Further, the mobile phone shell comprises an inner shell and an outer shell, and after the inner shell is fixedly connected with the outer shell, a part of the inner shell and a part of the outer shell form the annular air guide piece.
Furthermore, a containing cavity for fixing the compressor is arranged on the mobile phone shell, and an air inlet hole is formed in the containing cavity.
Further, a sealing ring is arranged between the inner shell and the outer shell and on the outer periphery of the annular air guide piece, and a sealed convection channel is formed.
Preferably, be provided with on the cell-phone shell with the interface that charges that the cell-phone is connected, charge the interface with the compressor electricity is connected.
Further, the interface setting that charges is in on the shell, be provided with on the inner shell with the interface complex installing port charges.
The technical scheme provided by the embodiment of the application can have the following beneficial effects:
the mobile phone heat radiation structure provided by the embodiment of the application blows to the annular air guide piece through the arranged compressor, and the heat generated by mobile phone components is taken away quickly by forming convection in a hollow area formed by the annular air guide piece through the annular convection channel and the air outlet.
The cell-phone shell that this application embodiment provided forms annular air guide through the fixed mode of inner shell and shell, through arranging the high heat dissipation region at the cell-phone, realizes the quick heat dissipation to the cell-phone, and the radiating effect is obvious.
The mobile phone shell provided by the embodiment of the application has the advantages of small required electric quantity, low power consumption, no need of an external power supply and convenience in carrying; the fan blades of the compressor are hidden in the protective shell, so that the fan blades cannot be seen from the appearance, and the appearance is more fashionable and beautiful.
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 structural diagram of a heat dissipation mechanism of a mobile phone according to an embodiment of the present application;
fig. 2 is a cross-sectional view of a heat dissipation mechanism of a mobile phone according to an embodiment of the present application;
FIG. 3 is a first schematic view of an exit orifice provided in accordance with an embodiment of the present application;
FIG. 4 is a second schematic view of an exit orifice provided in an embodiment of the present application;
FIG. 5 is a third schematic view of an exit orifice provided in embodiments of the present application;
fig. 6 is a schematic structural diagram of a mobile phone case according to an embodiment of the present application;
figure 7 is an exploded view of a handset housing provided in accordance with an embodiment of the present application;
figure 8 is a cross-sectional view of a handset housing provided in accordance with an embodiment of the present application.
1. An annular air guide; 2. a compressor; 3. an accommodating chamber; 4. a convection passage; 5. an air outlet; 6. an air inlet; 7. an inner shell; 8. a housing; 9. an air inlet; 10. a seal ring; 11. a charging interface; 101. an inner peripheral edge; 102. an outer peripheral edge; 103. a hollow region; 104. an upper surface; 105. a lower surface.
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 are not limiting 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.
Please refer to fig. 1-2 in detail, the present application provides a heat dissipation mechanism for a mobile phone, which includes an annular air guide 1 and a compressor 2, wherein the annular air guide 1 is provided with a convection channel 4, and an air outlet 5 and an air inlet 6 communicated with the convection channel 4, the convection channel 4 surrounds a circle along the annular air guide 1, and the air outlet 5 is arranged along an inner peripheral edge 101 of the annular air guide 1; the air inlet 6 of the convection channel 4 is communicated with the compressor 2, and the compressor 2 blows an air flow toward the air inlet 6, and the air flow flows to the air outlet 5 through the convection channel 4 and is blown out toward the center of the annular air guide 1 by the guidance of the air outlet 5.
In a specific arrangement, the inner periphery 101 of the annular air guide 1, a part of the inner shell on the mobile phone shell and a part of the outer shell on the mobile phone shell form a hollow area 103 of the annular air guide 1, the hollow area 103 is arranged at the position of the heating element of the mobile phone, the annular air guide 1 comprises an upper surface 104 and a lower surface 105, and the lower surface 105 is close to the heating element.
In some embodiments, the annular air guide 1 is annular, and the air outlet holes 5 are radially arranged along the axis of the inner periphery 101.
In the present invention, the "ring shape" does not refer to a circular shape, but refers to a closed structure similar to a ring, and the "ring shape" includes an oval shape, a circular shape, a polygonal shape, and the like.
In some embodiments, the air outlet holes 5 are arranged at an oblique angle relative to the axis of the annular air guide 1, and the air outlet direction of the air outlet holes 5 faces the lower surface 105.
In some embodiments, the inner circumference 101 of the annular air guide 1 is tapered in a cross section parallel to the axial direction, and the diameter of the inner circumference 101 gradually increases along the direction from the lower surface 105 to the upper surface 104.
On the other hand, this application still provides a cell-phone shell, be provided with as above arbitrary on the cell-phone shell cell-phone heat dissipation mechanism. The mobile phone shell comprises an inner shell 7 and an outer shell 8, wherein after the inner shell 7 is fixedly connected with the outer shell 8, a part of the inner shell and a part of the outer shell form the annular air guide part 1. A sealing ring 10 is arranged between the inner shell 7 and the outer shell 8 at the outer periphery 102 of the annular air guide 1 to form a sealed convection channel 4.
The mobile phone shell 8 is provided with a containing cavity 3 for fixing the compressor 2, and the containing cavity 3 is provided with an air inlet 9. In addition, be provided with on the cell-phone shell with the interface 11 that charges that the cell-phone is connected, charge interface 11 with the compressor 2 electricity is connected. The interface 11 that charges sets up on the shell 8, be provided with on the inner shell 7 with the interface 11 complex mounting interface charges.
Example one
The application provides a mobile phone heat dissipation mechanism, which comprises an annular air guide part 1 and a compressor 2, wherein a convection channel 4 and an air outlet 5 and an air inlet 6 communicated with the convection channel 4 are arranged on the annular air guide part 1, the convection channel 4 surrounds the annular air guide part 1 for a circle, and the air outlet 5 is arranged along the inner periphery 101 of the annular air guide part 1; the air inlet 6 of the convection channel 4 is communicated with the compressor 2, and the compressor 2 blows an air flow toward the air inlet 6, and the air flow flows to the air outlet 5 through the convection channel 4 and is blown out toward the center of the annular air guide 1 by the guidance of the air outlet 5.
In particular, the inner periphery 101 of the annular air guide 1, a part of the inner shell and a part of the outer shell form a hollow area 103 of the annular air guide 1, the hollow area 103 is arranged at the position of the heating element of the mobile phone, the annular air guide 1 comprises an upper surface 104 and a lower surface 105, and the lower surface 105 is close to the heating element.
The annular air guide member 1 is annular, and the air outlet holes 5 are radially arranged along the axis of the inner peripheral edge 101. The direction of the air outlet 5 is perpendicular to the axis of the inner periphery 101. As shown in fig. 3.
In this embodiment, the section of the inner circumferential edge 101 in the axial direction is cylindrical, and the air outlet hole 5 is provided along a radius of the cross section of the inner circumferential edge 101. The outlet openings 5 may be arranged at any level of the inner periphery 101. The compressor 2 blows through the annular convection channel 4 inside the annular air guide part 1 and reaches each air outlet 5 through the convection channel 4, the air flow blows to the hollow area 103 from the air outlet 5 through the convection channel 4, and therefore the mobile phone heating element below the hollow area 103 is cooled, the hot air flow is guided out upwards along the inner periphery 101, and therefore the cooling efficiency of the cooling mechanism is improved.
Example two
The application provides a mobile phone heat dissipation mechanism, which comprises an annular air guide part 1 and a compressor 2, wherein a convection channel 4 and an air outlet 5 and an air inlet 6 communicated with the convection channel 4 are arranged on the annular air guide part 1, the convection channel 4 surrounds the annular air guide part 1 for a circle, and the air outlet 5 is arranged along the inner periphery 101 of the annular air guide part 1; the air inlet 6 of the convection channel 4 is communicated with the compressor 2, and the compressor 2 blows an air flow toward the air inlet 6, and the air flow flows to the air outlet 5 through the convection channel 4 and is blown out toward the center of the annular air guide 1 by the guidance of the air outlet 5.
In particular, the inner periphery 101 of the annular air guide 1, a part of the inner shell and a part of the outer shell form a hollow area 103 of the annular air guide 1, the hollow area 103 is arranged at the position of the heating element of the mobile phone, the annular air guide 1 comprises an upper surface 104 and a lower surface 105, and the lower surface 105 is close to the heating element.
The annular air guide 1 is annular, and in this embodiment, the cross section of the inner periphery 101 in the axial direction is conical, and the inner periphery 101 has a certain conicity relative to the axial line, as shown in fig. 4. The air outlet holes 5 are radially arranged along the axis of the inner peripheral edge 101. The direction of the air outlet 5 is perpendicular to the axis of the inner periphery 101. The outlet holes 5 are arranged along the radius of the cross section of the inner circumference 101. The outlet openings 5 may be arranged at any level of the inner periphery 101.
During specific implementation, the compressor 2 blows air through the annular convection channel 4 inside the annular air guide member 1 and reaches the air outlet holes 5 through the convection channel 4, the air flow blows towards the hollow area 103 from the air outlet holes 5 through the convection channel 4, so that the mobile phone heating element below the hollow area 103 is cooled, and the hot air flow is guided out upwards along the inner periphery 101, so that the heat dissipation efficiency of the heat dissipation mechanism is improved.
It should be noted that the tapered inner peripheral edge 101 enables hot air to flow outwards along the wall surface, and at the same time, a low-pressure area for forming air is formed at the center of the hollow area 103 due to the flow of air above the heat dissipation mechanism, and due to negative pressure generated in the air, the cold air above the hollow area 103 can be automatically sucked into the hollow area 103 and directed to the lower side of the inner peripheral edge 101, and the cold air blown out through the air outlet 5 arranged in a radiation manner forms larger wind force, so that an uninterrupted circulating airflow is finally formed by circulation, and the heat dissipation of the mobile phone heating element is accelerated.
EXAMPLE III
The application provides a mobile phone heat dissipation mechanism, which comprises an annular air guide part 1 and a compressor 2, wherein a convection channel 4 and an air outlet 5 and an air inlet 6 communicated with the convection channel 4 are arranged on the annular air guide part 1, the convection channel 4 surrounds the annular air guide part 1 for a circle, and the air outlet 5 is arranged along the inner periphery 101 of the annular air guide part 1; the air inlet 6 of the convection channel 4 is communicated with the compressor 2, and the compressor 2 blows an air flow toward the air inlet 6, and the air flow flows to the air outlet 5 through the convection channel 4 and is blown out toward the center of the annular air guide 1 by the guidance of the air outlet 5.
In particular, the inner periphery 101 of the annular air guide 1, a part of the inner shell and a part of the outer shell form a hollow area 103 of the annular air guide 1, the hollow area 103 is arranged at the position of the heating element of the mobile phone, the annular air guide 1 comprises an upper surface 104 and a lower surface 105, and the lower surface 105 is close to the heating element.
The annular air guide 1 is annular, and in this embodiment, the cross section of the inner periphery 101 in the axial direction is conical, and the inner periphery 101 has a certain taper relative to the axial direction, as shown in fig. 5. The air outlet holes 5 are radially arranged along the axis of the inner peripheral edge 101. The air outlet 5 is provided with an inclination angle relative to the axis of the annular air guide member 1, and the air outlet direction of the air outlet 5 faces the lower surface 105.
It should be noted that the inclination angle of the air outlet 5 relative to the axis is preferably set to 45 ° to 60 °, and the direction of the air outlet is downward, that is, the air outlet is directed toward the heating element of the mobile phone, and a certain inclination angle is set, so that most of the air flow blown out from the air outlet 5 can be blown toward the heating element, thereby improving the heat dissipation efficiency of the mobile phone.
During specific implementation, the compressor 2 blows air through the annular convection channel 4 inside the annular air guide member 1 and reaches the air outlet holes 5 through the convection channel 4, the air flow blows towards the hollow area 103 from the air outlet holes 5 through the convection channel 4, so that the mobile phone heating element below the hollow area 103 is cooled, and the hot air flow is guided out upwards along the inner periphery 101, so that the heat dissipation efficiency of the heat dissipation mechanism is improved.
It should be noted that the tapered inner peripheral edge 101 enables hot air to flow outwards along the wall surface, and at the same time, a low-pressure area for forming air is formed at the center of the hollow area 103 due to the flow of air above the heat dissipation mechanism, and due to negative pressure generated in the air, the cold air above the hollow area 103 can be automatically sucked into the hollow area 103 and directed to the lower side of the inner peripheral edge 101, and the cold air blown out through the air outlet 5 arranged in a radiation manner forms larger wind force, so that an uninterrupted circulating airflow is finally formed by circulation, and the heat dissipation of the mobile phone heating element is accelerated.
Example four
Referring to fig. 6-8 in detail, a mobile phone case is provided with a mobile phone heat dissipation mechanism. The mobile phone shell comprises an inner shell 7 and an outer shell 8, wherein after the inner shell 7 is fixedly connected with the outer shell 8, a part of the inner shell and a part of the outer shell form the annular air guide part 1. The annular air guide member 1 passes over a serious heating area, such as a mobile phone CPU chip, a power supply chip and other high-power consumption and high-heating-value devices.
The annular air guide member 1 is provided with a convection channel 4, an air outlet 5 and an air inlet 6 which are communicated with the convection channel 4, the convection channel 4 surrounds the annular air guide member 1 for a circle, and the air outlet 5 is arranged along the inner periphery 101 of the annular air guide member 1; the air inlet 6 of the convection channel 4 is communicated with the compressor 2, and the compressor 2 blows an air flow toward the air inlet 6, and the air flow flows to the air outlet 5 through the convection channel 4 and is blown out toward the center of the annular air guide 1 by the guidance of the air outlet 5.
A sealing ring 10 is arranged between the inner shell 7 and the outer shell 8 at the outer periphery 102 of the annular air guide 1 to form a sealed convection channel 4. The peripheral sealing ring 10 of the annular air guide part 1 is in interference fit with the inner and outer protective shells, and compressed air is prevented from being leaked.
The mobile phone shell 8 is provided with a containing cavity 3 for fixing the compressor 2, and the containing cavity 3 is provided with an air inlet 9. The direction of air inlet 9 is towards the air inlet position of compressor 2, and the air that gets into compressor 2 gets into from air inlet 9, and the air after the compression of compressor 2 gets into convection current passageway 4 from air inlet 6 of convection current passageway 4.
In addition, be provided with on the cell-phone shell with the interface 11 that charges that the cell-phone is connected, charge interface 11 with the compressor 2 electricity is connected. The interface 11 that charges sets up on the shell 8, be provided with on the inner shell 7 with the interface 11 complex mounting interface charges.
It should be noted that the charging interface 11 may be disposed on the inner shell 7 or on the outer shell 8, but is preferably disposed on the outer shell 8, the compressor 2 is fixed on the outer shell 8, and the compressor 2 is electrically connected to the charging interface 11, so that the wiring may be disposed on the outer shell 8, and similarly, the compressor 2 may also be fixed on the inner shell 7, and the wiring is disposed on the inner shell 7 and between the inner shell 7 and the outer shell 8.
As shown in fig. 8, due to the bernoulli's law, the inner periphery 101 causes the hot air to flow outwards along the wall surface, and at the same time, above the heat dissipation mechanism, because of the flow of the air, a low-pressure area for forming air is located at the center of the hollow area 103, and because of the negative pressure generated in the air, the cold air above can be automatically sucked into the hollow area 103, and towards the lower side of the inner periphery 101, the cold air blown out through the air outlet 5 arranged by radiation forms a larger wind force, so that a continuous circulating air flow is finally formed by such circulation, thereby accelerating the heat dissipation of the heat generation element of the mobile phone.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Terms such as "disposed" and the like, as used herein, may refer to one element being directly attached to another element or one element being attached to another element through intervening elements. Features described herein in one embodiment may be applied to another embodiment, either alone or in combination with other features, unless the feature is otherwise inapplicable or otherwise stated in the other embodiment.
The present invention has been described in terms of the above embodiments, but it is to be understood that the above embodiments are for purposes of illustration and description only and are not intended to limit the invention to the described embodiments. It will be appreciated by those skilled in the art that many more modifications and variations are possible in light of the above teaching and are intended to be included within the scope of the invention.
Claims (11)
1. A mobile phone heat dissipation mechanism is characterized by being used for dissipating heat of a heating element on a mobile phone and comprising an annular air guide piece and a compressor, wherein a convection channel, an air outlet and an air inlet which are communicated with the convection channel are arranged on the annular air guide piece, the convection channel surrounds the annular air guide piece for a circle, and the air outlet is arranged along the inner periphery of the annular air guide piece; the air inlet of the convection passage is communicated with the compressor.
2. The heat dissipating mechanism of a cellular phone of claim 1, wherein the air outlets are radially arranged along an axis of the inner periphery.
3. The heat dissipating mechanism of a cellular phone according to claim 1, wherein the inner periphery of the annular air guide, a portion of the inner casing of the cellular phone case and a portion of the outer casing of the cellular phone case form a hollow region of the annular air guide, the hollow region being disposed at a location of a heat generating element of the cellular phone, the annular air guide including an upper surface and a lower surface, the lower surface being adjacent to the heat generating element.
4. The heat dissipation mechanism for mobile phone according to claim 3, wherein the air outlet is provided with an inclination angle with respect to the axis of the annular air guide member, and the air outlet direction of the air outlet faces the lower surface.
5. The heat dissipating mechanism for cellular phones according to claim 3, wherein the inner circumference of the annular air guide is tapered in a cross section parallel to the axial direction, and the diameter of the inner circumference increases gradually in the direction from the lower surface to the upper surface.
6. A mobile phone case, characterized in that the mobile phone case is provided with the heat dissipation mechanism of any one of claims 1 to 5, and the hollow area of the heat dissipation mechanism is arranged above the heat generating element of the mobile phone.
7. The handset casing according to claim 6, wherein the handset casing comprises an inner casing and an outer casing, and wherein a portion of the inner casing and a portion of the outer casing form the annular air guide when the inner casing is fixedly attached to the outer casing.
8. A mobile phone casing according to claim 7, characterised in that the casing is provided with a receiving cavity for securing the compressor, the receiving cavity being provided with an air inlet.
9. A handset shell according to claim 7, wherein a sealing ring is provided between the inner and outer shells at the outer periphery of the annular air guide to form a sealed convection passage.
10. The mobile phone shell according to claim 7, wherein a charging interface connected with the mobile phone is arranged on the mobile phone shell, and the charging interface is electrically connected with the compressor.
11. A handset shell according to claim 10, wherein the charging interface is provided on the outer shell, and the inner shell is provided with a mounting interface for mating with the charging interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022704811.3U CN214381020U (en) | 2020-11-20 | 2020-11-20 | Mobile phone heat dissipation mechanism and mobile phone shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022704811.3U CN214381020U (en) | 2020-11-20 | 2020-11-20 | Mobile phone heat dissipation mechanism and mobile phone shell |
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| CN214381020U true CN214381020U (en) | 2021-10-08 |
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| CN202022704811.3U Active CN214381020U (en) | 2020-11-20 | 2020-11-20 | Mobile phone heat dissipation mechanism and mobile phone shell |
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| CN (1) | CN214381020U (en) |
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