CN204741660U - Electron device's heat radiation structure subassembly and electron device - Google Patents
Electron device's heat radiation structure subassembly and electron device Download PDFInfo
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- CN204741660U CN204741660U CN201520508702.0U CN201520508702U CN204741660U CN 204741660 U CN204741660 U CN 204741660U CN 201520508702 U CN201520508702 U CN 201520508702U CN 204741660 U CN204741660 U CN 204741660U
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Abstract
The utility model discloses an electron device's heat radiation structure subassembly, at least including the mainboard and the mainboard supporting member that are used for installing the chip, the mainboard includes temperature first region higher relatively and the relatively low second area of temperature, the heat radiation structure subassembly is still including locating supply the heat -conducting part of first region to second area transfer heat on the mainboard. Set up the heat -conducting part to the different temperatures region on the mainboard, the heat transfer through this heat -conducting part higher relatively first region of temperature on with the mainboard gives the relatively low second area of temperature to it is even to make the heat distribution on the mainboard. Furthermore, the utility model also discloses an electron device, this electron device of is through introducing above -mentioned heat radiation structure subassembly, realizes giving the relatively low region of temperature with the automatic transmission of heat in electron device's temperature higher relatively region, reduces electron device's local high temperature, avoids influencing the user and uses and system performance, improves user experience.
Description
Technical field
The utility model relates to electronic applications, is specifically related to a kind of radiator structure assembly and electronic installation of electronic installation.
Background technology
Along with the development of electronic installation chips, from strength to strength, the power consumption of corresponding electronic installation is also increasing for the function of electronic installation.The high power consumption produced when chip runs directly causes the temperature of chip region sharply to raise, simultaneously, owing to lacking good heat abstractor, make the heat be stored in electronic installation distribute speed slowly, cause the temperature of the chip region in electronic installation to remain high.
In order to the developing steps immediately following chip, need the heat abstractor that a kind of radiating effect of design is excellent badly, to reduce the heat of high-temperature area in electronic installation fast, the complete machine temperature of electronic installation is evenly distributed.
Utility model content
One of the purpose of this utility model is the radiator structure assembly providing a kind of electronic installation, and the heat of first area relatively high for the temperature of mainboard can be passed to the relatively low second area of temperature by this radiator structure assembly automatically.
Two of the purpose of this utility model is to provide a kind of electronic installation comprising above-mentioned radiator structure assembly, and the heat in the relatively high region of the temperature of electronic installation can be realized automatically to pass to the relatively low region of temperature.
For reaching this object, the utility model by the following technical solutions:
First aspect, a kind of radiator structure assembly of electronic installation is provided, at least comprise the mainboard for chip and mainboard supporting member, described mainboard comprises the relatively high first area of temperature and the relatively low second area of temperature, and described radiator structure assembly also comprises is located at the heat-conducting part of Gong the first area on described mainboard to second area transferring heat.
Second aspect, a kind of electronic installation is provided, this electronic installation comprises above-mentioned radiator structure assembly, also comprise panel assembly and housing unit, wherein, described mainboard is arranged at the side of described mainboard supporting member, and described panel assembly is arranged at the described mainboard supporting member opposite side relative with described mainboard, and described housing unit is arranged at the described mainboard opposite side relative with described mainboard supporting member.
The beneficial effects of the utility model: in the radiator structure assembly of electronic installation of the present utility model, due to electronic installation in running order time, mainboard at least comprises the relatively high first area of temperature and the relatively low second area of temperature, therefore for different temperatures region, heat-conducting part is set on mainboard, by this heat-conducting part, the heat of first area relatively high for temperature on mainboard is passed to the relatively low second area of temperature, thus make the uniform heat distribution on mainboard.In addition, electronic installation of the present utility model introduces above-mentioned radiator structure assembly, therefore the heat in the relatively high region of the temperature of electronic installation can be realized automatically to pass to the relatively low region of temperature, reduce the localized hyperthermia of electronic installation, avoid affecting user to use and systematic function, improve Consumer's Experience.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, be briefly described to the accompanying drawing used required in the utility model embodiment below.Apparently, below described accompanying drawing be only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of mobile phone described in the utility model embodiment.
Fig. 2 is the cutaway view of mobile phone described in the utility model embodiment.
Fig. 3 is the mainboard cutaway view of mobile phone described in the utility model one embodiment.
Fig. 4 is the mainboard cutaway view of mobile phone described in another embodiment of the utility model.
Fig. 5 is the mainboard cutaway view of mobile phone described in another embodiment of the utility model.
Fig. 6 is the mainboard cutaway view of mobile phone described in another embodiment of the utility model.
In figure:
10, mainboard; 11, PMU chip; 12, CPU/LPDDR3 chip; 13, eMMC chip; 20, mainboard supporting member; 30, panel assembly; 40, housing unit; 51, the first Heat Conduction Material; 52, the second Heat Conduction Material; 53, the 3rd Heat Conduction Material; 60, shield assembly;
100, the first thermal hole; 200, the second thermal hole; 300, heat-conducting layer.
Embodiment
The technical solution of the utility model is further illustrated by embodiment below in conjunction with accompanying drawing.
Embodiment of the present utility model provides a kind of radiator structure assembly of electronic installation, at least comprise the mainboard for chip and mainboard supporting member, mainboard comprises the relatively high first area of temperature and the relatively low second area of temperature, and radiator structure assembly also comprises is located at the heat-conducting part of Gong the first area on mainboard to second area transferring heat.For different temperatures region, heat-conducting part is set on radiator structure assembly, by this heat-conducting part, the heat of first area relatively high for temperature on mainboard is passed to the relatively low second area of temperature, thus make the uniform heat distribution on mainboard.
Particularly, above-mentioned heat-conducting part comprises the passage of heat be arranged on mainboard.The heat in the region that the temperature on mainboard is relatively high transfers heat to the relatively low region of temperature by this passage of heat, to reduce the high temperature in a certain region of mainboard, the temperature of whole mainboard is consistent.
More specifically, passage of heat comprises the thermal hole be opened on mainboard, and thermal hole comprises the first thermal hole being positioned at first area, the second thermal hole being positioned at second area.Heat is passed to around thermal hole respectively by the first thermal hole, the second thermal hole by the heat of first area, second area fast.
In above-described embodiment, can in the one side chip of mainboard, also can in the two-sided equal chip of mainboard.
As a kind of execution mode of the one side chip at mainboard, all chips in electronic installation are installed on mainboard by POP technique is stacked, in radiator structure assembly in this electronic installation, first area refers to the mainboard region corresponding with the chip of electronic installation, and second area is all regions of mainboard except first area; And in another embodiment, chip in electronic installation can singlely be installed on mainboard, also can two chips one group even three chips one group be installed on mainboard by POP technique is stacked, can gap be left between chip and/or chipset, also can not stay gap.The power of the chip that mainboard is installed and caloric value size, the temperature height in the region of corresponding mainboard is directly proportional, therefore according to descending the dividing chip and/mainboard that chipset is corresponding mainboard by temperature gradient of the power of chip or chipset, when mainboard one side is provided with chip or the chipset of two groups of different heat amounts, by temperature gradient, mainboard is divided first area, second area, when mainboard one side is provided with chip or the chipset of three groups of different heat amounts, by temperature gradient, mainboard is divided first area, second area, 3rd region, when mainboard one side is provided with chip or the chipset of more than three groups different heat amounts, the temperature gradient of mainboard divides.Region for different temperatures each on mainboard arranges heat-conducting part on radiator structure assembly, and heat can be realized to be passed to the relatively low region of temperature from the region that temperature is relatively high.
As a kind of execution mode of the two-sided chip at mainboard, caloric value size according to each chip or chipset carries out Region dividing to the temperature gradient of mainboard, dividing mode is similar to the dividing mode of the mainboard of above-mentioned one side chip, does not repeat them here.
Above-mentioned electronic installation comprises the electronic products such as mobile phone, flat board, learning machine, and the radiator structure assembly for mobile phone in the present embodiment is further described technique scheme.
Fig. 1 is the schematic diagram with the mobile phone of above-mentioned radiator structure assembly of the utility model one embodiment.As shown in Figure 1, wherein the one side of the mainboard 10 of radiator structure assembly is provided with three core assembly sheets, is respectively PMU chip 11, CPU/LPDDR3 chip 12, eMMC chip 13, CPU/LPDDR3 chip 12 between PMU chip 11 and eMMC chip 13.Wherein the function of CPU/LPDDR3 chip 12 is communication requirement and cpu data transmission of process modules, CPU/LPDDR3 chip 12 refers to cpu chip and LPDDR3 chip is stacked together by POP technique, its caloric value is very large, the temperature of the respective regions of corresponding mainboard 10 is also higher, the first area that namely above-mentioned temperature is relatively high; The function of PMU chip 11 is for the whole system of electronic installation and modules are powered, power dissipation ratio is larger, its caloric value is also correspondingly larger, and the temperature of the respective regions of corresponding mainboard 10 is relatively low compared with the temperature of first area, the second area that namely above-mentioned temperature is relatively low; And the function of eMMC chip 13 stores user data and various program, its power consumption is lower, caloric value is also correspondingly smaller, the temperature of the respective regions of corresponding mainboard 10 is relatively low compared with the temperature of second area, in this called after the 3rd region, trizonal temperature sequence is: > second area > the 3rd region, first area, and correspondingly, the first area of this mainboard is between second area and the 3rd region.In the radiator structure assembly of the present embodiment, first area can be supplied to second area, the 3rd region by arranging, and/or second area is to the heat-conducting part of the 3rd region transferring heat, and the heat realized on mainboard is uniform.
Following examples are all described for the first area of the CPU/LPDDR3 chip 12 that above-mentioned cell phone mainboard is installed and the corresponding mainboard of PMU chip 11, second area.
CPU, LPDDR3 chip is superimposed and forms CPU/LPDDR3 chip 12, the heatsink transverse speed along mainboard plate face in its course of work is lower than the longitudinal radiating rate of edge perpendicular to mainboard plate face, thus cause the local temperature residing for CPU/LPDDR3 chip 12 too high, and then affect the performance of user's use and whole system.Therefore, the present embodiment proposes following solution for this problem.
As shown in Figure 3, mainboard is arranged in first area and is provided with the first thermal hole 100 along the direction perpendicular to mainboard plate face, mainboard is arranged in second area and is provided with the second thermal hole 200 along the direction perpendicular to mainboard plate face, the heat of first area is passed to the first thermal hole 100 around fast by the first thermal hole 100, and the heat of second area is passed to the second thermal hole 200 around fast by the second thermal hole 200.Thermal hole in the present embodiment can be metallized thermal hole, also can be the thermal hole being filled with phase-change material.It is to be understood that the setting direction of thermal hole is not limited to the direction perpendicular to mainboard plate face.
As shown in Figure 3, heat-conducting part also comprises the heat-conducting layer 300 connecting above-mentioned first thermal hole 100 and the second thermal hole 200.The present embodiment has set up heat-conducting layer 300 between the first thermal hole 100 and the second thermal hole 200, for being communicated with the first thermal hole 100 and the second thermal hole 200, namely by this heat-conducting layer 300, the heat of the first thermal hole 100 is passed to the second thermal hole 200, accelerate the diffusion velocity of the heat of the relatively high first area of temperature, the temperature of first area and second area is consistent rapidly.Certainly, also heat-conducting layer (please refer to shown in Fig. 4) can be set respectively at mainboard 10 near the position at both ends, make first area, the temperature of second area reduces rapidly and the temperature of whole mainboard 10 is consistent.In the present embodiment, heat-conducting layer 300 is arranged between the plate of mainboard, certainly, in other embodiments, heat-conducting layer can also be arranged at the bottom of mainboard, meanwhile, the position extending to the heat-conducting layer of the bottom of mainboard bottom the hole of the first thermal hole and the second thermal hole can realize effect of the present utility model too.
The heat dissipation path of the mainboard in above-mentioned radiator structure assembly is: heat longitudinally passes to the side of the mainboard relative with chip by the first thermal hole 100 from first area, simultaneously by heat-conducting layer 300 lateral transport that is connected with the second thermal hole 200 to the second area residing for the second thermal hole 200.
In another embodiment of the present utility model, heat-conducting part comprises the heat-conducting layer be arranged on mainboard, and this heat-conducting layer is for connecting first area on mainboard and second area.As shown in Figure 5, mainboard in the present embodiment is multi-layer PCB board, pcb board surface and heat-conducting layer 300 is set between first area and second area, also heat-conducting layer 300 (shown in figure 6) can be paved with in pcb board face, heat-conducting layer can also be set in position between the plate of pcb board between corresponding first area and second area, heat-conducting layer 300 is preferably layers of copper, also can be that other are applicable to connecting PCB board and the good material of heat conductivility.The heat of first area is passed to second area by this heat-conducting layer 300, to reduce the localized hyperthermia of first area.
The heat dissipation path of the mainboard in this radiator structure assembly is: heat from first area by heat-conducting layer 300 lateral transport that arranges between pcb board face or plate to second area, the heat of all first areas, second area longitudinally passes to mainboard 10 opposite side relative with CPU/LPDDR3 chip 12 and PMU chip 11 simultaneously.
Radiator structure assembly in another embodiment of the present utility model also comprises the Heat Conduction Material be arranged between mainboard and mainboard supporting member.As shown in Figure 2, after heat is passed to the relative opposite side of mainboard 10 and PMU chip 11, CPU/LPDDR3 chip 12 by above-mentioned heat-conducting part, then is passed to mainboard supporting member 20 further by this Heat Conduction Material and dispels the heat.
More specifically, Heat Conduction Material is located at the position corresponding to chip between mainboard and mainboard supporting member.Heat Conduction Material is set by the position corresponding to chip only between mainboard and mainboard supporting member, good heat conductivility can also be ensured while the material cost reducing radiator structure assembly.As shown in Figure 2, the position corresponding to CPU/LPDDR3 chip 12 between mainboard 10 and mainboard supporting member 20 arranges the first Heat Conduction Material 51, and the position corresponding to PMU chip 11 between mainboard 10 and mainboard supporting member 20 arranges the second Heat Conduction Material 52.
Under reality, by the restriction of processing technology, between mainboard and mainboard supporting member, all can not reach completely smooth, certain space can be formed between the plane that both contact, can have air in this space, the thermal resistance of air is comparatively large, can reduce heat-conducting effect between the two.Therefore above-mentioned Heat Conduction Material adopts phase-change material.Phase-change material (PCM-Phase Change Material) refers to and varies with temperature and change the material that physical property also can provide latent heat.The process changing physical property is called phase transition process, and at this moment phase-change material will absorb or discharge a large amount of latent heat.In the present embodiment, when the temperature of first area, second area is increased to the fusion temperature of phase-change material, the first corresponding phase-change material, the second phase-change material will produce the phase transformation from solid-state to liquid state, when becoming liquid, first phase-change material, the second phase-change material will fill spaces all between mainboard 10 and mainboard supporting member 20, thus make heat transfer efficiency higher.
Embodiment of the present utility model also provides a kind of electronic installation, comprise any one in above-mentioned radiator structure assembly, also comprise panel assembly and housing unit, wherein, mainboard is arranged at the side of mainboard supporting member, panel assembly is arranged at the mainboard supporting member opposite side relative with mainboard, and housing unit is arranged at the mainboard opposite side relative with mainboard supporting member.By arranging above-mentioned radiator structure assembly in this electronic installation, the heat in the relatively high region of the temperature of electronic installation can be realized automatically to pass to the relatively low region of temperature, reduce the localized hyperthermia of electronic installation, ensure that electronic installation normally uses, extend the useful life of electronic installation, and then improve Consumer's Experience.For mobile phone, as shown in Figure 2, this mobile phone comprises panel assembly 30 and housing unit 40, mainboard 10 is arranged at the side of mainboard supporting member 20, panel assembly 30 is arranged at mainboard supporting member 20 opposite side relative with mainboard 10, and housing unit 40 is arranged at mainboard 10 opposite side relative with mainboard supporting member 20.
Between mainboard supporting member and panel assembly, Heat Conduction Material is set.Heat is by after above-mentioned radiator structure component passes to mainboard supporting member, panel assembly is passed to again by this Heat Conduction Material, that is, the heat that chip produces on mainboard by radiator structure assembly and this Heat Conduction Material transfer spreading to the surface of electronic installation, to reach the object of the heat in the relatively high region of the some temperature in inside that reduce fast electronic installation, finally carry out heat exchange with external environment condition by air again, the temperature of whole electronic installation to be reduced rapidly.As shown in Figure 2, between panel assembly 30 and mainboard supporting member 20, the 3rd Heat Conduction Material 53 is provided with.3rd Heat Conduction Material 53 is the good material of heat conductivility, and such as graphite or Copper Foil certainly, also can select above-mentioned phase-change material.
Above-mentioned electronic installation also comprises shield assembly.As shown in Figure 2, shield assembly 60 is arranged between housing unit 40 and mainboard 10, particularly, shield assembly 60 is arranged on the position corresponding with chip between housing unit 40 with mainboard 10, shield assembly 60 is preferably radome, and its effect makes other functional modules preventing chip to be interfered or prevent in chip interference electronic installation.
The heat dissipation path of the electronic installation of the utility model embodiment is as shown by the arrows in Figure 2: heat by radiating part from the first area lateral transport of the relatively high mainboard 10 of temperature to second area, longitudinally be passed to mainboard 10 by the first Heat Conduction Material, 51 second Heat Conduction Materials 52 simultaneously, be passed to panel assembly 30 by the 3rd Heat Conduction Material 53 again, last and external environment condition carries out heat exchange.
Above-mentioned housing unit can be the material such as metal, plastics.Above-mentioned mainboard can be pcb board, FPC plate.Above-mentioned mainboard supporting member refers to the center for supporting mainboard, and having good heat conductivility, can be the materials such as stainless steel, aluminium alloy, magnadure or magnesium alloy.Above-mentioned panel assembly refers to LCD display or the TP touch-screen of electronic installation.
Above content is only preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
Claims (10)
1. the radiator structure assembly of an electronic installation, it is characterized in that, at least comprise the mainboard for chip and mainboard supporting member, described mainboard comprises the relatively high first area of temperature and the relatively low second area of temperature, and described radiator structure assembly also comprises is located at the heat-conducting part of Gong the first area on described mainboard to second area transferring heat.
2. the radiator structure assembly of electronic installation according to claim 1, is characterized in that, described heat-conducting part comprises the passage of heat be arranged on described mainboard.
3. the radiator structure assembly of electronic installation according to claim 2, it is characterized in that, described passage of heat comprises the thermal hole be opened on described mainboard, and described thermal hole comprises the first thermal hole being positioned at first area, the second thermal hole being positioned at second area.
4. the radiator structure assembly of electronic installation according to claim 3, is characterized in that, described heat-conducting part also comprises the heat-conducting layer connected between described first thermal hole and described second thermal hole.
5. the radiator structure assembly of electronic installation according to claim 2, is characterized in that, described heat-conducting part comprises the heat-conducting layer be arranged on described mainboard, and described heat-conducting layer is for connecting described first area on described mainboard and described second area.
6. the radiator structure assembly of electronic installation according to claim 2, is characterized in that, described radiator structure assembly also comprises the Heat Conduction Material be arranged between described mainboard and described mainboard supporting member.
7. the radiator structure assembly of electronic installation according to claim 6, is characterized in that, described Heat Conduction Material is located at the position corresponding to described first area, described second area between described mainboard and described mainboard supporting member.
8. the radiator structure assembly of electronic installation according to claim 7, is characterized in that, described Heat Conduction Material adopts phase-change material.
9. an electronic installation, it is characterized in that, comprise the radiator structure assembly as described in any one of claim 1 to 8, also comprise panel assembly and housing unit, wherein, described mainboard is arranged at the side of described mainboard supporting member, and described panel assembly is arranged at the described mainboard supporting member opposite side relative with described mainboard, and described housing unit is arranged at the described mainboard opposite side relative with described mainboard supporting member.
10. electronic installation according to claim 9, is characterized in that, arranges Heat Conduction Material between described mainboard supporting member and described panel assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520508702.0U CN204741660U (en) | 2015-07-14 | 2015-07-14 | Electron device's heat radiation structure subassembly and electron device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520508702.0U CN204741660U (en) | 2015-07-14 | 2015-07-14 | Electron device's heat radiation structure subassembly and electron device |
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| Publication Number | Publication Date |
|---|---|
| CN204741660U true CN204741660U (en) | 2015-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520508702.0U Expired - Fee Related CN204741660U (en) | 2015-07-14 | 2015-07-14 | Electron device's heat radiation structure subassembly and electron device |
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| CN (1) | CN204741660U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105050361A (en) * | 2015-07-14 | 2015-11-11 | 广东欧珀移动通信有限公司 | Heat radiation structure assembly of electronic device and electronic device |
-
2015
- 2015-07-14 CN CN201520508702.0U patent/CN204741660U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105050361A (en) * | 2015-07-14 | 2015-11-11 | 广东欧珀移动通信有限公司 | Heat radiation structure assembly of electronic device and electronic device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151104 |
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| CF01 | Termination of patent right due to non-payment of annual fee |