TWI551214B - Protective device capable of dissipating heat - Google Patents

Description

Protection device with heat dissipation

The invention relates to a protection device, in particular to a protection device with heat dissipation.

The demand for portable devices has grown rapidly in recent years. The number of smart phones and tablets far exceeds that of desktop computers and notebook computers, and the development of smart phones has grown at a rapid pace. For example, due to the trend of thin and light and improved functions of smart phones, the heat density of mobile phones is increasing, and the heat dissipation problem is also taken seriously. Portable products can only consider passive heat dissipation due to factors such as volume and weight. The heat generated by the components is transmitted to the system casing by conduction, and the heat is transmitted to the environment by natural convection and radiative heat dissipation. For portable devices, since the screen is subject to temperature-dependent performance, the component heat is not transmitted to the screen as much as possible, so heat is transferred to the bottom case through the internal heat transfer design of the portable product.

Especially when the portable product is in operation, the surface temperature distribution of the bottom casing is not uniform, especially at a position of a component having a high heat-generating density such as a CPU and a PA or a GDU or a battery, and a local hot spot is formed to cause a temperature rise. In addition to heat dissipation problems, long-term contact with the skin at higher temperatures can cause burns due to the need to be close to the skin during use.

In addition, when using a mobile phone to talk, the continuous heating of the mobile phone will cause the temperature of the ear to rise, causing discomfort to the human body. Therefore, how to effectively transfer the heat of the bottom case surface of the portable product to the environment, so that the heat is not too concentrated. In the bottom case surface of the portable product, the problem of generating hot spots on the surface of the bottom case and reducing the local temperature rise is high, which is required by the industry. The direction of hard work.

In view of the above problems, it is an object of the present invention to provide a heat-dissipating protection device that conducts heat transferred to a carrier to an external position of the carrier by a flexible heat-conducting unit.

Another object of the present invention is to provide a flexible heat conducting unit connected between a carrier and a cover sheet, and the heat of the carrier is transmitted to the cover sheet to dissipate heat through the flexible heat conducting unit.

Another object of the present invention is to provide a heat-dissipating protection device that increases the heat dissipation path outside the electronic device and improves the surface heat concentration of the bottom case of the electronic device.

Another object of the present invention is to provide a heat-dissipating protection device which can reduce the local high temperature of the bottom surface of the electronic device.

In order to achieve the above object, the present invention provides a heat-dissipating protection device for protecting an electronic device. The protection heat-dissipating device includes: a carrier for docking or accommodating the electronic device, and having a first inner surface facing The electronic device and the at least one edge; a flexible heat conducting unit disposed at an edge of the carrier, the opposite ends of which have a first protruding portion and a second protruding portion, the first protruding portion protruding Attached to the first inner surface of the carrier, the second protrusion is away from the carrier, wherein the first protrusion directly or indirectly contacts at least one heat source of the electronic device.

In a implementation, the first protrusion has a first contact surface opposite the first inner surface of the carrier and faces the electronic device.

The first contact surface of the first protrusion is in contact with the heat source of the electronic device.

In one embodiment, the carrier is provided with a carrier heat conducting element contacting at least one heat source of the electronic device, and having a first contact end contacting the first contact surface of the first protruding portion.

In one implementation, the flexible thermally conductive unit is a graphite thermal conductive sheet or a metal foil graphite thermal conductive sheet.

In one embodiment, the metal foil graphite thermally conductive sheet comprises at least one layer of metal foil bonded to at least one layer of graphite thermally conductive sheet.

The material of the metal foil in one implementation includes gold or silver or copper or aluminum or a combination thereof.

The first contact surface is the metal foil in one implementation.

In one implementation, the flexible thermally conductive unit is a flexible heat pipe that can be flexed.

A second projection extending from the flexible thermally conductive unit extends to form a cover sheet that is operatively capped or cleaved relative to the carrier.

In one implementation, the cover sheet is a graphite thermal conductive sheet or a metal foil graphite thermal conductive sheet.

A cover portion is coupled to the second projection of the flexible thermally conductive unit, the cover sheet being operatively capped or cleaved relative to the carrier.

In a implementation, the cover sheet has a second inner surface, the second protruding portion protrudes to the second inner surface of the cover sheet and is coupled together, the second protruding portion has a second contact surface opposite to the cover The second inner face of the piece.

In one embodiment, the cover sheet is provided with a cover sheet heat conducting element having a second contact end contacting the second contact surface of the flexible heat conducting unit.

The second contact surface on which the flexible thermally conductive unit is implemented is a metal foil.

In one implementation, the carrier is a back shell of the electronic device, and a plurality of buckle portions are disposed on a periphery of the first inner surface of the carrier.

Extending upwardly on a periphery of the first inner surface of the carrier to form a retaining edge, the retaining edge has a free end bent inwardly to form a buckle portion, the first inner surface and the retaining edge and the buckle portion jointly define a Capacity The space accommodates the electronic device.

The present invention further provides a heat-dissipating protection device for protecting an electronic device, the electronic device having a heat source, the protection heat-dissipating device comprising: a carrier having a first inner surface for docking or accommodating the electronic device; a cover sheet having a second inner surface; a flexible heat conducting unit located between the cover sheet and the carrier, and connecting the cover sheet and the carrier, the flexible unit having a first protruding portion and The first inner surface of the carrier is joined together, and a second protrusion is connected to the cover sheet; wherein the flexible heat conducting unit supports the operation of the cover sheet to cover or sag relative to the carrier; The first protruding portion of the flexible heat conducting unit directly or indirectly contacts the heat source of the electronic device to dissipate heat of the heat source to the cover sheet of the second protruding portion through the flexible heat conducting unit.

10‧‧‧ Carrier

11‧‧‧ first inside

12a‧‧‧ first edge

12b‧‧‧ second edge

12c‧‧‧ third edge

12d‧‧‧ fourth edge

13‧‧‧Deduction

14‧‧‧ 护边

141‧‧‧ buckle

15‧‧‧ accommodating space

16‧‧‧Carrier thermal element

161‧‧‧First contact end

162‧‧‧second contact end

16a‧‧‧Wall plate

16b‧‧‧Metal sheet (foil) / graphite thermal sheet

20‧‧‧Flexible thermal unit

201‧‧‧Graphite thermal sheet

202‧‧‧Protective layer

203‧‧‧metal foil

21‧‧‧First protrusion

211‧‧‧ first contact surface

22‧‧‧Second projection

23‧‧‧ Cover

231‧‧‧Second inside

30‧‧‧Electronic devices

31‧‧‧ front shell

32‧‧‧heat source

33‧‧‧Touch display screen

43‧‧‧ Cover

431‧‧‧Second inside

432a‧‧‧ first edge

432b‧‧‧ second edge

432c‧‧‧ third edge

432d‧‧‧ fourth edge

46‧‧‧ Cover sheet thermal element

461‧‧‧ third contact

462‧‧‧fourth contact end

50‧‧‧Electronic devices

51‧‧‧ front shell

52‧‧‧ Back shell

The following drawings are intended to provide a more complete understanding of the invention, and are in the The specific embodiments of the present invention are described in detail by reference to the specific embodiments herein,

1 is a perspective exploded view of a first preferred embodiment of the present invention; FIG. 2 is a perspective view of a first preferred embodiment of the present invention; and FIG. 3A is a flexible embodiment of the first preferred embodiment of the present invention. A schematic cross-sectional view of a first aspect of a heat conducting unit and a cover sheet; FIG. 3B is a cross-sectional view showing a second aspect of the flexible heat conducting unit and the cover sheet of the first preferred embodiment of the present invention; A cross-sectional view showing a third aspect of the flexible heat conductive unit and the cover sheet of the first preferred embodiment of the present invention; 3D is a cross-sectional view showing a fourth embodiment of the flexible heat transfer unit and the cover sheet according to the first preferred embodiment of the present invention; FIG. 3E is a flexible heat transfer unit according to the first preferred embodiment of the present invention; A schematic cross-sectional view of a fifth aspect of the cover sheet; FIG. 4A is a schematic view of the carrier of the first preferred embodiment of the present invention before docking with the electronic device; FIG. 4B is a carrier and an electronic body of the first preferred embodiment of the present invention; FIG. 4C is a schematic exploded view of a cover sheet according to a first preferred embodiment of the present invention; FIG. 5A is a perspective exploded view of a second preferred embodiment of the present invention; FIG. 5B is a schematic view of the present invention 2D is a schematic view of another embodiment of a carrier heat dissipating component according to a second preferred embodiment of the present invention; FIG. 5D is a carrier heat dissipating component according to a second preferred embodiment of the present invention. FIG. 6 is a schematic view showing a third preferred embodiment of the present invention; FIG. 7 is a schematic view showing a fourth preferred embodiment of the present invention; and FIG. 8A is a view showing a carrier of the fifth preferred embodiment of the present invention. Stereoscopic diagram in front of the device; Figure 8B is the same as the hair Preferred embodiment of the vector of the fifth after receiving a perspective schematic view of the electronic device.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In the following, preferred embodiments of the invention will be described with reference to the accompanying drawings, in which

1 is a perspective exploded view of a first preferred embodiment of the present invention; and FIG. 2 is a perspective view of a first preferred embodiment of the present invention. As shown, the present invention includes a carrier 10 and A flexible heat-conducting unit 20, which in this embodiment is a back shell of an electronic device, has a first inner surface 11 and four edges, respectively a first edge 12a, a second edge 12b, and a third edge 12c and a fourth edge 12d, wherein the second edge 12b is opposite to the fourth edge 12d, and defines a width of the carrier 10. The first to fourth edges 12a-12d are respectively provided with a plurality of buckles 13 for Fasten the front case of an electronic device. The flexible heat conducting unit 20 is disposed on one edge 12d of the carrier, and has opposite ends respectively being a first protruding portion 21 and a second protruding portion 22. The first protrusion 21 protrudes to the first inner surface 11 of the carrier 10, and is combined with the first inner surface 11 by ultrasonic waves, for example but not limited, or when the carrier 10 is molded An inner face 11 is joined together. The first projection 21 has a first contact surface 211 opposite the first inner surface 11 of the carrier 10. Optionally, the convex elongation of the first protruding portion 21 can be set according to a heat source position of different electronic devices. For example, the first protruding portion 21 can protrude from the fourth edge 12d toward the second edge 12b. The carrier 10 has a width of 1/3 or 2/3 or a length of 1/2. The second projection 22 is remote from the carrier 10 and extends to form a cover sheet 23 having an inner surface 231 that is operatively capped or cleaved relative to the carrier 10.

Continuing to refer to FIG. 3A, the flexible thermal conductive unit 20 and its extended cover sheet 23 are a graphite thermal conductive sheet 201, and a protective layer 202 is coated on both outer sides of the graphite thermal conductive sheet 201. The protective layer 202 is, for example but not limited to, a natural/synthetic leather or a polymer (such as plastic or rubber or silicone) to protect the graphite thermal conductive sheet 201. The current graphite thermal conductive sheet 201 comprises a natural graphite thermal conductive sheet and an artificial graphite thermal conductive sheet, in particular, the artificial graphite thermal conductive sheet has a thermal conductivity of up to 1600 W/m. k is far superior to natural graphite thermal conductive sheet 200~300W/m. k and pure copper 298W/m. k and 238W/m of pure aluminum. k. Moreover, the graphite thermally conductive sheet 201 has a material density of about 1.9 g/cm ³ , is 25% lighter than aluminum, and is 75% lighter than copper, and has properties such as flexibility, bendability, and low thermal resistance. The graphite heat conductive sheet 201 achieves high thermal conductivity and bendability in the flexible heat transfer unit 20.

In another embodiment, as shown in FIGS. 3B to 3E, the flexible heat conductive unit 20 and its extended cover sheet 23 are a metal foil graphite heat conductive sheet comprising at least one metal foil 203 stacked in combination with at least one layer of graphite thermal conductive sheet 201, The material of the metal foil 203 includes gold or silver or copper or aluminum or a combination thereof. For example, the metal foil 203 such as copper foil shown in FIG. 3B is on the upper and lower sides of the graphite thermal conductive sheet 201, and is covered on the outer side of the metal foil 203. There is a protective layer 202. Further, for example, as shown in FIG. 3C, the metal foil 203 is bonded to the upper side of the graphite thermally conductive sheet 201, for example, a copper foil or an aluminum foil, and a protective layer 202 is coated on the outer side of the metal foil 203 and the graphite thermal conductive sheet 201. Further, for example, as shown in FIG. 3D, the metal foil 203 is, for example, a copper foil and an aluminum foil, which are respectively stacked on the upper side and the lower side of the graphite thermally conductive sheet 201, and a protective layer 202 is coated on the outer side of the metal foil 203. Furthermore, as shown in FIG. 3E, the metal foil graphite thermal conductive sheet may also be stacked by using a plurality of layers of graphite thermal conductive sheets 201, and then a metal foil 203 is stacked and bonded on the upper and lower sides of the stacked graphite thermal conductive sheets 201, respectively. The outer side of the metal foil 203 is covered with a protective layer 202. The flexible heat conductive unit 20 has characteristics of resistance to bending, repeated bending, and high thermal conductivity by the high strength and thermal conductivity of the metal foil 202 and the high thermal conductivity of the graphite thermally conductive sheet 201.

Furthermore, in another possible implementation, the flexible heat-conducting unit 20 can also be a flexible (soft) thinned heat pipe, and the flexible heat-conducting unit 20 can also be made resistant to the flexible heat-conducting unit 20 Winding and repeated bending and high thermal conductivity.

Continuing to refer to FIG. 4A and FIG. 4B, and referring to FIG. 1 or FIG. 2, the first contact surface 211 of the first protruding portion 21 is preferably the metal foil 203. The outermost protective layer 202 of the flexible heat conducting unit 20 does not cover the first contact surface 211 to expose the metal foil 203. An electronic device 30 (such as a smart phone or a tablet) has a front case 31. A touch display screen 33 is located on the front case 31. The back of the electronic device 30 faces the first inner face 11 of the carrier 10. A heat source 32 such as a circuit board and electronic components thereon are located on the back. The length of the first protrusion portion 21 protruding into the carrier 10 corresponds to the heat source 32, and the position of the heat source 32 at the back of the electronic device 30 corresponds to the first portion of the first protrusion portion 21. Contact surface 211 (shown on the right side of the back in this illustration).

When the carrier 10 is docked with the electronic device 30, the buckles 13 of the first to fourth edges 12a-12d are used to fasten the front casing 31 of the electronic device 30, so that the heat source 32 of the electronic device 30 is directly The first contact surface 211 of the first protrusion 21 is contacted. After the carrier 10 is docked with the electronic device 30, the cover sheet 23 can be correspondingly closed or closed by the front cover 31 and the touch display screen 33 of the electronic device 30.

Referring to FIG. 4C together, when the electronic device 30 is in use (for example, during a call), the cover sheet 23 of the flexible heat-conducting unit 20 is opened and folded, so that both sides of the cover sheet 23 are in contact with the environment. The heat source 32 of the electronic device 30 directly contacts the flexible heat conducting unit 20, and passes the first contact surface 211 of the first protruding portion 21 of the flexible heat conducting unit 20 to pass heat through the metal foil 203 and the graphite heat conducting sheet 201. The cover sheet 23 formed by the second protrusion 22 is transferred, and then heat exchanged with the air in the environment by the cover sheet 23 to achieve heat dissipation, thereby reducing the heat of the carrier 10 and improving the heat source 32 on the carrier 10. The problem of heat concentration on the surface.

Please refer to the 5A, 5B, 5C, and 5D drawings for a second preferred embodiment of the present invention. The present embodiment is substantially the same as the previous embodiment, and the same components are denoted by the same reference numerals. In the present embodiment, the first protruding portion 21 of the flexible heat-conducting unit 20 protrudes into the carrier 10 to the carrier 10 At a width of 1/3 or 1/4, a first heat conducting element 16 is provided on the first inner face 11 of the carrier 10, the carrier heat conducting element 16 having a first contact end 161 overlapping the first protruding portion 21 the first The contact surface 211 is in contact with the metal foil 203 of the first contact surface 211. The carrier heat conducting component 16 has a second contact end 162 away from the first contact end 161. The first contact end 161 and the second contact end One end of the 162 is corresponding to the heat source 32 (as shown in FIG. 4A) contacting the electronic device 30 to transfer the heat of the heat source 32 to the other end.

In a specific implementation, the second contact end 162 contacts the heat source 32 of the electronic device 30 (as shown in FIG. 4A) to transfer heat of the heat source 32 to the first contact end 161 and then to the first protrusion. The first contact surface 211 of 21 passes through the flexible heat conducting unit 20 to the cover sheet 23 to dissipate heat. The first protruding portion 21 indirectly contacts the heat source 32 through the carrier heat conducting element 16 to dissipate heat from the cover sheet 23 formed by transferring the heat of the heat source 32 to the second protruding portion 22.

The carrier heat conducting element 16 is, for example, a (super) thin heat pipe shown in FIGS. 5A and 5B, but is not limited thereto, and may be a temperature equalizing plate 16a as shown in FIG. 5C or a metal piece as shown in FIG. 5D ( Foil)/graphite thermally conductive sheet 16b, or any combination of the above.

FIG. 6 is a schematic view showing a third preferred embodiment of the present invention, which is substantially the same as the first embodiment, and the same components are denoted by the same reference numerals, and the present embodiment is different in the flexibility. The second projection 22 of the heat transfer unit 20 is coupled to a cover sheet 43 that is operatively capped or cleaved relative to the carrier. The cover sheet 43 has a second inner surface 431 and four edges, which are a first edge 432a, a second edge 432b, a third edge 432c and a fourth edge 432d, wherein the second edge 432b is opposite to the fourth edge 432d. And defining a width of the cover sheet 43, the second protrusion 22 protruding from the fourth edge 432d to the second inner surface 431 of the cover sheet 43, and for example, but not limited to, using ultrasonic waves and The two inner faces 431 are joined together, and the second projecting portion 22 has a second contact surface 221 opposite to the second inner face 431 of the cover sheet 43. In a possible implementation, the second protrusion 22 protrudes from the fourth edge 432d toward the second edge 432b to a length of 1/4 or 1/5 of the width of the cover sheet 43 (as shown in FIG. 6). ). However, in another possible implementation, the second protrusion 22 can be convex A second inner face 431 covering the cover sheet 43 is stretched.

In a possible implementation, the second contact surface 221 is preferably a metal foil 203 (as shown in FIGS. 3B to 3E ), for example, the outermost protective layer 202 of the flexible heat conductive unit 20 does not cover the second The contact surface 221 is such that the metal foil 203 is exposed. A cover strip heat conducting component 46 has a third contact end 461 and a fourth contact end 462. The third contact end 461 and the fourth contact end 462 are in contact with the second protrusion of the flexible heat conducting unit 20 . The metal foil 203 of the second contact surface 221 of the stretch portion 22 is away from the second projection 22 at the other end. The fourth contact end 462 of the cover sheet heat conducting member 46 is overlapped on the second contact surface 221 to contact the metal foil 203 of the second contact surface 221, and the cover sheet heat conducting member 46 is third. The contact end 461 extends away from the second contact surface 221 toward the fourth edge 423d of the cover sheet 43.

The heat source 32 of the electronic device 30 (as shown in FIG. 4A ) is transmitted through the flexible heat conducting unit 20 to the second protruding portion through the first contact surface 211 of the first protruding portion 21 of the flexible heat conducting unit 20 . The second contact surface 221 of the 22 is then transferred to the fourth contact end 462 of the cover strip heat conducting element 46 and from the fourth contact end 462 to the third contact end 461. Thereby, the heat of the carrier 10 is transmitted through the flexible heat transfer unit 20 to the cover sheet 43 for heat release.

FIG. 7 is a schematic view showing a fourth preferred embodiment of the present invention. As shown in the figure, it is substantially the same as the third preferred embodiment, and the same components are denoted by the same reference numerals. The first protrusion 21 of the flexible heat conducting unit 20 protrudes into the carrier 10 to a width of 1/3 or 1/4 of the carrier 10. On the first inner surface 11 of the carrier 10, a carrier heat conducting element 16 is disposed. The carrier heat conducting component 16 has a first contact end 161 disposed on the first contact surface 211 of the first protruding portion 21 to contact the metal foil 203 of the first contact surface 211. The carrier heat conducting component 16 has A second contact end 162 is away from the first contact end 161. One end of the first contact end 161 and the second contact end 162 can correspondingly contact the heat source 32 of the electronic device 30 (as shown in FIG. 4A) to The heat of the heat source 32 is transferred to the other end.

In a specific implementation, the second contact end 162 contacts the heat source 32 of the electronic device 30 (as shown in FIG. 4A) to transfer heat of the heat source 32 to the first contact end 161 and then to the first protrusion. The first contact surface 211 of the second contact surface 211 is transmitted through the flexible heat transfer unit 20 to the second protrusion 22 located on the second inner surface 431 of the cover sheet 43 by the second contact surface of the second protrusion portion 22 221 transfers heat to the fourth contact end 462 of the cover sheet thermally conductive element 46, from the fourth contact end 462 to the third contact end 461. Thereby, the heat of the carrier 10 is transmitted through the flexible heat transfer unit 20 to the cover sheet 43 for heat release.

8A and 8B are a fifth preferred embodiment of the present invention, which is substantially the same as the first preferred embodiment, and the same elements are denoted by the same reference numerals, and the difference lies in the first inner surface 11 of the carrier 10. The first edge 12a, the second edge 12b, the third edge 12c and the fourth edge 12d extend upward to form a retaining edge 14 having a free end bent inwardly to form a buckle portion 141, the first inner surface 11 and the retaining edge 14 and the buckle portion 141 together define an accommodating space 15 for accommodating an electronic device 50 (for example, a smart phone or a tablet).

The electronic device 50 of the present embodiment includes a front case 51 and a back case 52. When the electronic device 50 is received in the accommodating space 15 of the carrier 10, the button portion 141 is fastened to the surface of the front case 51. The surface of the back shell 52 contacts the first contact surface 211 of the first protruding portion 21 of the flexible heat conducting unit 20, and the heat source on the surface of the back shell 52 is transmitted to the cover sheet 23 through the flexible heat conducting unit 20 for heat dissipation.

In summary, the present invention dissipates heat from the cover sheet 23 that conducts heat transferred to the carrier 10 to the outer position of the carrier 10 by the flexible heat conducting unit 20, as if the heat dissipation path is increased outside the electronic device 30, 50. The problem of surface heat concentration of the bottom case of the electronic devices 30, 50 is improved, and the problem of lowering the local high temperature of the bottom case surface of the electronic devices 30, 50 is achieved.

While the invention has been described above by way of example, the invention is not intended to be construed as a limitation. Therefore, the scope of protection of the present invention is subject to the scope of the appended claims.

10‧‧‧ Carrier

11‧‧‧ first inside

12a‧‧‧ first edge

12b‧‧‧ second edge

12c‧‧‧ third edge

12d‧‧‧ fourth edge

13‧‧‧Deduction

20‧‧‧Flexible thermal unit

203‧‧‧metal foil

21‧‧‧First protrusion

211‧‧‧ first contact surface

22‧‧‧Second projection

23‧‧‧ Cover

231‧‧‧Second inside

30‧‧‧Electronic devices

31‧‧‧ front shell

32‧‧‧heat source

Claims (15)

A heat-dissipating protection device for protecting an electronic device, the protection heat-dissipating device comprising: a carrier, a back shell of the electronic device for docking or accommodating the electronic device, and having a first inner surface The electronic device and the plurality of edges; a flexible heat conducting unit disposed on one of the edges of the carrier, the opposite ends of which have a first protruding portion and a second protruding portion, the first protruding portion Projecting onto the first inner surface of the carrier and joining together, the second projection extending away from the carrier and extending or forming a cover sheet operable operatively or cleaving relative to the carrier, wherein The first protrusion directly or indirectly contacts at least one heat source of the electronic device. The heat-dissipating protection device of claim 1, wherein the first protrusion has a first contact surface opposite to the first inner surface of the carrier and faces the electronic device. The heat-dissipating protection device of claim 2, wherein the first contact surface of the first protruding portion contacts a heat source of the electronic device. The heat-protecting device of claim 2, wherein the carrier is provided with a carrier heat-conducting element contacting at least one heat source of the electronic device, and has a first contact end and a second contact end, the first contact end and the first contact end Either end of the two contact ends contact the first contact surface of the first projection. The heat-dissipating protection device according to claim 2, wherein the flexible heat-conducting unit is a graphite thermal conductive sheet or a metal foil graphite thermal conductive sheet. The heat-dissipating protection device according to claim 5, wherein the metal foil graphite thermal conductive sheet comprises at least one metal foil stack combined with at least one layer of graphite thermal conductive sheet. The heat-dissipating protection device according to claim 6, wherein the material of the metal foil comprises gold or silver or copper or aluminum or a combination thereof. The heat-dissipating protection device of claim 7, wherein the first contact surface is the metal foil. The heat-dissipating protection device according to claim 2, wherein the flexible heat-conducting unit is a thinned heat pipe that can be bent. The heat protection device according to claim 1, wherein the cover sheet is a graphite heat conductive sheet or a metal foil graphite heat conductive sheet. The heat-dissipating protection device of claim 4, wherein the cover sheet has a second inner surface, the second protruding portion protrudes to the second inner surface of the cover sheet and is coupled together, the second protruding portion The portion has a second contact surface opposite the second inner surface of the cover sheet. The heat-dissipating protection device of claim 11, wherein the cover sheet is provided with a cover sheet heat-conducting element having a third contact end and a fourth contact end, and the third contact end and the fourth contact end are each Contacting the second contact surface of the flexible thermally conductive unit. The heat-dissipating protection device of claim 12, wherein the second contact surface of the flexible heat-conducting unit is a metal foil. The heat protection device according to claim 1, wherein the edge of the first inner surface of the carrier is provided with a plurality of buckle portions. A heat-dissipating protection device for protecting an electronic device, the electronic device having a heat source, the protection heat-dissipating device comprising: a carrier, wherein a back shell of the electronic device has a first inner surface for docking or receiving The electronic device; a cover sheet having a second inner surface; a flexible heat conducting unit located between the cover sheet and the carrier, and connecting the cover sheet and the carrier, the flexible unit having a first a projection is coupled to the first inner surface of the carrier, and a second projection is coupled to the cover sheet; wherein the flexible thermally conductive unit supports the cover sheet to operably cover or slap relative to the carrier Actuation; and The first protrusion of the flexible heat conducting unit directly or indirectly contacts the heat source of the electronic device, so that heat generated by the heat source is transmitted from the carrier to the cover sheet through the flexible heat conducting unit.