CN207266506U - Cooling average-temperature structure for electronic ink screen - Google Patents
Cooling average-temperature structure for electronic ink screen Download PDFInfo
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- CN207266506U CN207266506U CN201721291397.XU CN201721291397U CN207266506U CN 207266506 U CN207266506 U CN 207266506U CN 201721291397 U CN201721291397 U CN 201721291397U CN 207266506 U CN207266506 U CN 207266506U
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Abstract
The utility model discloses a kind of cooling average-temperature structure for electronic ink screen, including screen body, CPU, housing, wherein, CPU is arranged in housing, it is connected between the screen body back side and CPU by graphite flake, shielded layer is equipped between housing and CPU, is connected respectively by thermally conductive gel between shielded layer and CPU, housing.By setting thermally conductive gel to connect both between CPU and housing, the gap filling between CPU and housing is made most of heat caused by CPU be transferred on housing rapidly, reduces the heat diffusion to electric ink screen by thermally conductive gel；At the same time graphite flake is attached at the electronic ink screen back side, the even heat of electric ink screen surfaces can be scattered in the horizontal direction, heat is from the high-temperature region of CPU correspondence positions rapidly to low-temperature region transmission, it can effectively solve the problems, such as that heat is concentrated, reduce the temperature difference of whole screen, and transmission of the heat from heat source to electronic ink screen is then further reduced in vertical direction.
Description
Technical field
It the utility model is related to technical field of electronic equipment, more particularly to a kind of cooling samming knot for electronic ink screen
Structure.
Background technology
EINK (EINK is the abbreviation of English Electronic Ink, i.e. electric ink) has readable, flexible, easily cheap system
Many advantages, such as making, be low in energy consumption；Application field is more and more wider.Compared with other Display Techniques, the reflectivity of electric ink and right
It is more preferable than degree.Seem the ink on their sensitive papers, be the media that people read and feel well when handling.Include in light straight
Under shining sun light, other display materials feel that some are light and are difficult to read.Conversely the display based on electric ink is just really easily seen
And reading.But since the screen refresh rate of EINK screens is influenced by the temperature difference, the temperature difference is higher, and screen-refresh is slower, can seriously affect use
The Experience Degree at family.
Therefore, how to reduce the temperature for being transferred to EINK screens and be those skilled in the art by the equalizing temperature of screen
Research direction.
Utility model content
The purpose of this utility model is to provide a kind of cooling average-temperature structure for electronic ink screen, will be transmitted to screen
Even heat scatters, and reduces the overall temperature difference of electronic ink screen and reduces influence of the heat source to electric ink screen.
To achieve the above object, the technical solution of the utility model is：
A kind of cooling average-temperature structure for electronic ink screen of the utility model, including screen body, CPU, housing, institute
State CPU to be arranged in the housing, be connected between the screen body back side and the CPU by graphite flake, the housing
It is connected between the CPU by thermally conductive gel.
Further improvement lies in that the graphite flake is fixed on the housing by alloy bracket, the graphite flake is just
Face is fitted closely with the screen body back side, and the back side of the graphite flake is fitted closely with the alloy bracket.
Further improvement lies in that also set up thermal isolation film between the screen body and the CPU.
Further improvement lies in that shielded layer is equipped between the housing and the CPU, the shielded layer and the CPU, shell
Connected respectively by thermally conductive gel between body.
Further improvement lies in that the shielded layer is screening cover made of foreign white copper, the screening cover is used for the CPU
Parcel is in the inner.
Further improvement lies in that the housing is made of AL5252.
As a result of above technical scheme, make it have following beneficial effect is the utility model：
1st, by setting thermally conductive gel to connect both between CPU and housing in the utility model, thermally conductive gel is by CPU
Gap filling between housing, makes most of heat caused by CPU be transferred on housing rapidly, reduces to electronic ink screen
The heat diffusion of screen；Graphite flake is attached at the electronic ink screen back side at the same time, in the horizontal direction can be by electric ink screen surfaces
Even heat scatter, heat, rapidly to low-temperature region transmission, can effectively solve heat concentration from the high-temperature region of CPU correspondence positions
The problem of, reduce the temperature difference of whole screen, and heat from heat source is then further reduced to electronic ink screen in vertical direction
Transmission.
2nd, screening cover selects the higher foreign white copper of thermal conductivity factor, provides low impedance path for heat transfer, heat distributes effect
Fruit is more preferable.
3rd, thermal isolation film has high thermal impedance, is attached between heat source CPU back-side circuits plate and electronic ink screen, can prevent
The heat that CPU is produced is transmitted to electronic ink screen direction, is spread so as to reduce heat to electronic ink screen, electricity is controlled from root
The temperature of sub- ink screen, reduces the overall temperature difference of electronic ink screen.
Brief description of the drawings
Fig. 1 is the schematic diagram of cooling average-temperature structure in the utility model；
In figure, 1- screen bodies, 2-CPU, 3- housings, 4- graphite flakes, 41- alloy brackets, 5- thermal insulation layers, 6- screening covers,
7- thermally conductive gels.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without creative efforts
All other embodiments obtained, shall fall within the protection scope of the present invention.
As shown in Figure 1, the utility model provides a kind of cooling average-temperature structure for electronic ink screen, including screen sheet
Body 1, CPU 2, housing 3, CPU 2 are arranged in housing 3, are connected between 1 back side of screen body and CPU2 by graphite flake 4,
Pass through being spaced apart 1 back side of screen body and CPU 2 of graphite flake 4；Connected between housing 3 and CPU 2 by thermally conductive gel 7.
By setting thermally conductive gel to connect both between CPU and housing, thermally conductive gel is by the sky between CPU and housing
Gas gap filling, air are poor conductor of heat, and thermally conductive gel makes most of heat caused by CPU be transferred on housing rapidly,
Reduce the heat diffusion to electric ink screen；Graphite flake is attached at the electronic ink screen back side at the same time, graphite flake is a kind of each
Anisotropy material, in the horizontal plane with super-high heat-conductive performance, thermal conductivity factor 1400W/m.K, can spread even heat
In surface, and then there is heat insulation in vertical direction, thermal conductivity factor only has 10W/m.K, therefore, in the horizontal direction can be by electricity
The even heat of sub- ink screen surfaces scatters, heat from the high-temperature region of CPU correspondence positions rapidly to low-temperature region transmission, can be effective
Solve the problems, such as that heat is concentrated, reduce the temperature difference of whole screen, and heat from heat source is then further reduced in vertical direction
Transmission to electronic ink screen.
Specifically, graphite flake 4 is fixed on housing 3 by alloy bracket 41, front and the screen body 1 of graphite flake 4
The back side fits closely, and the back side and the alloy bracket 41 of graphite flake 4 fit closely, and 41 opposite direction of alloy bracket is heat source CPU2, and
Alloy bracket 41 is closely connected with CPU 2.
The preferred embodiment of the utility model is, it is preferable that in the present embodiment, also set up between screen body 1 and CPU 2 every
Hotting mask 5, thermal isolation film 5 are that a kind of porosity meets heat-barrier material, and the feature that there is insulation, heat-insulated, low-heat to lead, is attached to heat source
Between 2 back-side circuit plates of CPU and electronic ink screen, the heat that CPU 2 is produced can be prevented to be transmitted to electronic ink screen direction,
Spread so as to reduce heat to electronic ink screen, the temperature of electrical screen is controlled from root, reduce the overall temperature of electronic ink screen
Difference.
Shielded layer is equipped between housing 3 and CPU 2, shielded layer preferentially selects screening cover 6 made of foreign white copper, and screening cover will
CPU 2 is wrapped up in the inner, is equipped with thermally conductive gel 7 between screening cover 6 and CPU 2, housing 3, screening cover 6 select thermal conductivity factor compared with
High foreign white copper, provides low impedance path, heat dissipation effect is more preferable for heat transfer.
Housing 3 is made of AL5252, and the heat conductivility and perfect heat-dissipating of aluminium material, heat can be distributed quickly, avoid
Heat is concentrated on housing；The alloy metal material that certain housing 3 can also use other heat conduction and heat radiation performances good is made.
It should be appreciated that the regular job custom and Figure of description of the noun of locality is binding operation person and user and set
Vertical, their appearance should not influence the scope of protection of the utility model.
The utility model is described in detail above in association with attached drawing embodiment, those skilled in the art can root
Many variations example is made to the utility model according to described above.Thus, some details in embodiment should not be formed to this practicality
New restriction, the utility model will be used as the scope of protection of the utility model using the scope that the appended claims define.
Claims (6)
1. for the cooling average-temperature structure of electronic ink screen, including screen body, CPU, housing, it is characterised in that the CPU is set
Be placed in the housing, be connected between the screen body back side and the CPU by graphite flake, the housing with it is described
Connected between CPU by thermally conductive gel.
2. cooling average-temperature structure according to claim 1, it is characterised in that the graphite flake is fixed on by alloy bracket
On the housing, the positive and screen body back side of the graphite flake fits closely, the back side of the graphite flake with it is described
Alloy bracket fits closely.
3. cooling average-temperature structure according to claim 1 or 2, it is characterised in that between the screen body and the CPU
Also set up thermal isolation film.
4. cooling average-temperature structure according to claim 1, it is characterised in that screen is equipped between the housing and the CPU
Layer is covered, is connected respectively by thermally conductive gel between the shielded layer and the CPU, housing.
5. cooling average-temperature structure according to claim 4, it is characterised in that shielded layer shielding made of foreign white copper
Lid, the screening cover are used for CPU parcels in the inner.
6. according to the cooling average-temperature structure described in claim 1 or 2 or 4 or 5, it is characterised in that the housing is by AL5252 systems
Into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721291397.XU CN207266506U (en) | 2017-10-09 | 2017-10-09 | Cooling average-temperature structure for electronic ink screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721291397.XU CN207266506U (en) | 2017-10-09 | 2017-10-09 | Cooling average-temperature structure for electronic ink screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207266506U true CN207266506U (en) | 2018-04-20 |
Family
ID=61916819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721291397.XU Active CN207266506U (en) | 2017-10-09 | 2017-10-09 | Cooling average-temperature structure for electronic ink screen |
Country Status (1)
| Country | Link |
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| CN (1) | CN207266506U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108681173A (en) * | 2018-05-15 | 2018-10-19 | 希腊布莱特公司 | Electrochromism safety glass system with high-speed switch characteristic |
| CN109819075A (en) * | 2019-01-17 | 2019-05-28 | 深圳市晶久瑞电子科技有限公司 | Temperature control electronic ink screen mobile phone |
-
2017
- 2017-10-09 CN CN201721291397.XU patent/CN207266506U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108681173A (en) * | 2018-05-15 | 2018-10-19 | 希腊布莱特公司 | Electrochromism safety glass system with high-speed switch characteristic |
| CN109819075A (en) * | 2019-01-17 | 2019-05-28 | 深圳市晶久瑞电子科技有限公司 | Temperature control electronic ink screen mobile phone |
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