CN209560230U - A kind of low-power consumption shuangping san structure being suitable for low temperature environment - Google Patents
A kind of low-power consumption shuangping san structure being suitable for low temperature environment Download PDFInfo
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- CN209560230U CN209560230U CN201920451419.7U CN201920451419U CN209560230U CN 209560230 U CN209560230 U CN 209560230U CN 201920451419 U CN201920451419 U CN 201920451419U CN 209560230 U CN209560230 U CN 209560230U
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- display screen
- backlight module
- resistance
- power supply
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Abstract
The utility model relates to a kind of low-power consumption shuangping san structures for being suitable for low temperature environment.It includes the first display screen, second display screen and backlight module, first display screen and second display screen are separately positioned on the two sides of the backlight module, first display screen, second display screen and backlight module are all connected with FPC, and low-temperature heat circuit is provided on the backlight module.Low-temperature heat circuit is provided on the backlight module of the utility model, U1 is 0 DEG C of temperature switch, and when temperature is lower than 0 DEG C, pin 5 exports high level and powers after metal-oxide-semiconductor Q2 conducting to adding thermal resistance R1；Heating is disconnected when temperature is higher than 10 DEG C；Performance of the utility model under the lower environment of temperature is effectively ensured to stablize；The utility model is provided with external power supply detection unit, by monitoring whether external power supply connects the switching to realize the first display screen and second display screen, greatly reduces the energy consumption of the utility model, meets energy-saving and environment-friendly demand instantly.
Description
Technical field
The utility model relates to a kind of display structures, and in particular to a kind of low-power consumption shuangping san for being suitable for low temperature environment
Structure.
Background technique
In recent years, in more and more electronic products, second display screen is typically also provided with other than primary display screen,
To increase the function of electronic product, more convenient operation is provided for user.For example, in flip phone usually has
Outer screen, wherein interior screen is typically used for performing the display of video, game application and text editing application, and external screen is then usually used in showing
Show the information related with communication process such as incoming number, short message theme.In today of development of Mobile Internet technology rapid development, plate
Numerous mobile interchange equipment such as computer also gradually have the tendency that designing using shuangping san, to obtain more preferably user experience.
In the design scheme of existing double-screen display module, one usually is pasted by two pieces of display units are back-to-back
It rises.The realization difficulty of such display device is very low, but the thickness of this double-screen display module and weight are the two of single screen
Times.Such thickness and weight have been far from satisfying today in mobile Internet high speed development, and user is for portable
The ultralight ultra-thin demand of mobile terminal.
Authorization Notice No. are as follows: the utility model of 201757824 U of CN discloses a kind of shuangping san dress of shared backlight
It sets, backlight is arranged between main screen and vice screen, main screen and vice screen sharing backlight plate.Touch screen is additionally provided on the outside of main screen, institute
The structure for the backlight stated are as follows: middle layer is light guide plate, and the two sides of light guide plate are equipped with diffusion barrier, the outside of diffusion barrier by it is interior to
It is successively arranged bright enhancement film and black and white double faced adhesive tape up and down outside.Using the double display unit of the shared backlight of the utility model, can save
About cost, and the thickness of mobile phone can be effectively reduced, realize the effect of mobile phone ultra-thin double-screen.However its energy consumption is higher, and works as environment
It, can not normal use when temperature is too low.
Utility model content
The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide one kind to be suitable for low temperature ring
The low-power consumption shuangping san structure in border.
The technical solution that the utility model solves above-mentioned technical problem is as follows: a kind of low-power consumption being suitable for low temperature environment is double
Screen display structure, including the first display screen, second display screen and backlight module, first display screen and second display screen difference
The two sides of the backlight module are set, and first display screen, second display screen and backlight module are all connected with flexible circuit board
(FPC), low-temperature heat circuit is provided on the backlight module.
Further, the low-temperature heat circuit includes temperature switch U1, and the pin 1,2 of the temperature switch U1 is grounded,
Pin 4 connects power supply, and pin 5 connects resistance R2, the grid of resistance R2 connection metal-oxide-semiconductor Q2, and the source level of the metal-oxide-semiconductor Q2 connects power supply,
One end of drain electrode connecting resistance R1, the other end ground connection of the resistance R1, the both ends of the resistance R1 are connect with the backlight module.
Further, the resistance R1 is adding thermal resistance, and resistance value is 20 Ω, power 2W.
Further, the resistance R1 with a thickness of 0.3mm.
It further, further include external power supply detection unit, the external power supply detection unit and the flexible circuit board
Connection, for having monitored whether external power supply power supply.
Further, the flexible circuit board periphery coats matcoveredn.
Further, first display screen is segment encode screen, and the second display screen is the dot matrix screen of 168*132 pixel.
The beneficial effects of the utility model are:
1, low-temperature heat circuit is provided on the backlight module of the utility model, U1 is 0 DEG C of temperature switch, when temperature is lower than
At 0 DEG C, pin 5 exports high level and powers after metal-oxide-semiconductor Q2 conducting to adding thermal resistance R1；It disconnects and adding when temperature is higher than 10 DEG C
Heat；Performance of the utility model under the lower environment of temperature is effectively ensured to stablize；
2, the utility model is provided with external power supply detection unit, realizes first by the way that whether monitoring external power supply is connected
The switching of display screen and second display screen greatly reduces the energy consumption of the utility model, meets energy-saving and environment-friendly demand instantly.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of low-power consumption shuangping san structure for being suitable for low temperature environment described in the utility model specific embodiment
Structural schematic diagram；
Fig. 2 is the connection schematic diagram of low-temperature heat circuit in Fig. 1.
Appended drawing reference:
The first display screen of 1-；2- second display screen；3- backlight module；4-FPC；5- protective layer；6- low-temperature heat circuit.
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solutions of the utility model.Following embodiment is only
For clearly illustrating the technical solution of the utility model, therefore it is only used as example, and it is originally practical to cannot be used as a limitation limitation
Novel protection scope.
It should be noted that unless otherwise indicated, technical term or scientific term used in this application should be this reality
The ordinary meaning understood with novel one of ordinary skill in the art.
In the description of the present application, it is to be understood that term " thickness ", "upper", "lower", "front", "rear", " left side ",
" right side ", "vertical", "horizontal", "top", "bottom" "inner", "outside", " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction "
The orientation or positional relationship of equal instructions is to be based on the orientation or positional relationship shown in the drawings, and being merely for convenience of description, this is practical new
Type and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation
Construction and operation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply relatively important
Property or implicitly indicate the quantity of indicated technical characteristic.The meaning of " plurality " is two in the description of the present invention,
More than, unless otherwise specifically defined.
In this application unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
Embodiment
As shown in Figure 1, a kind of low-power consumption shuangping san structure for being suitable for low temperature environment provided by the utility model, packet
The first display screen 1, second display screen 2 and backlight module 3 are included, first display screen 1 and second display screen 2 are separately positioned on institute
The two sides of backlight module 3 are stated, first display screen 1, second display screen 2 and backlight module 3 are all connected with flexible circuit board 4
(FPC), low-temperature heat circuit 6 is provided on the backlight module 3.
Further, the low-temperature heat circuit 6 includes temperature switch U1, and the pin 1,2 of the temperature switch U1 is grounded,
Pin 4 connects power supply, and pin 5 connects resistance R2, the grid of resistance R2 connection metal-oxide-semiconductor Q2, and the source level of the metal-oxide-semiconductor Q2 connects power supply,
One end of drain electrode connecting resistance R1, the other end ground connection of the resistance R1, the both ends of the resistance R1 and the backlight module 3 connect
It connects.As shown in Fig. 2, two-end-point H1, H2 of resistance R2 are connected on the pin of the connector of backlight module 3, backlight module 3 is risen
To the effect of low-temperature heat.Concrete operating principle are as follows: U1 is 0 DEG C of temperature switch, and when temperature is lower than 0 DEG C, pin 5 exports high electricity
It is flat, after metal-oxide-semiconductor Q2 conducting, power to adding thermal resistance R1；Heating is disconnected when temperature is higher than 10 DEG C.
Further, the resistance R1 is adding thermal resistance, and resistance value is 20 Ω, power 2W.
Further, the resistance R1 with a thickness of 0.3mm.
Further, first display screen is segment encode screen, and the second display screen is the dot matrix screen of 168*132 pixel.
It further, further include external power supply detection unit, the external power supply detection unit and the flexible circuit board 4
Connection, for having monitored whether external power supply power supply.Concrete operating principle are as follows: when external power supply detection unit monitors external confession
When electric, FPC is worked using second display screen LCD2 dot matrix screen, provides man-machine display interface abundant；When monitoring external power supply
When loss, FPC is powered using battery, and the first display screen LCD1 segment encode screen work, quiescent dissipation 20uA has extremely low function
Consumption.
Further, the 4 periphery cladding matcoveredn 5 of flexible circuit board.It avoids flexible circuit board 4 from being damaged, prolongs
Its long service life.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (7)
1. a kind of low-power consumption shuangping san structure for being suitable for low temperature environment, including the first display screen, second display screen and backlight
Module, first display screen and second display screen are separately positioned on the two sides of the backlight module, first display screen,
Two display screens and backlight module are all connected with flexible circuit board, it is characterised in that: low-temperature heat electricity is provided on the backlight module
Road.
2. a kind of low-power consumption shuangping san structure for being suitable for low temperature environment according to claim 1, it is characterised in that: institute
Stating low-temperature heat circuit includes temperature switch U1, and the pin 1,2 of the temperature switch U1 is grounded, and pin 4 connects power supply, and pin 5 connects
Connecting resistance R2, the grid of resistance R2 connection metal-oxide-semiconductor Q2, the source level of the metal-oxide-semiconductor Q2 connect power supply, the one end for the connecting resistance R1 that drains,
The other end of the resistance R1 is grounded, and the both ends of the resistance R1 are connect with the backlight module.
3. a kind of low-power consumption shuangping san structure for being suitable for low temperature environment according to claim 2, it is characterised in that: institute
Stating resistance R1 is adding thermal resistance, and resistance value is 20 Ω, power 2W.
4. a kind of low-power consumption shuangping san structure for being suitable for low temperature environment according to claim 2, it is characterised in that: institute
State resistance R1 with a thickness of 0.3mm.
5. a kind of low-power consumption shuangping san structure for being suitable for low temperature environment according to claim 1-4, special
Sign is: further including external power supply detection unit, the external power supply detection unit is connect with the flexible circuit board, for supervising
Whether survey has external power supply power supply.
6. a kind of low-power consumption shuangping san structure for being suitable for low temperature environment according to claim 1, it is characterised in that: institute
State flexible circuit board periphery cladding matcoveredn.
7. a kind of low-power consumption shuangping san structure for being suitable for low temperature environment according to claim 1, it is characterised in that: institute
Stating the first display screen is segment encode screen, and the second display screen is the dot matrix screen of 168*132 pixel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920451419.7U CN209560230U (en) | 2019-04-03 | 2019-04-03 | A kind of low-power consumption shuangping san structure being suitable for low temperature environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920451419.7U CN209560230U (en) | 2019-04-03 | 2019-04-03 | A kind of low-power consumption shuangping san structure being suitable for low temperature environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209560230U true CN209560230U (en) | 2019-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920451419.7U Active CN209560230U (en) | 2019-04-03 | 2019-04-03 | A kind of low-power consumption shuangping san structure being suitable for low temperature environment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114299839A (en) * | 2022-01-06 | 2022-04-08 | 苏州蓝石新动力有限公司 | Segment code screen driving system and segment code screen driving method |
| CN114299839B (en) * | 2022-01-06 | 2024-04-30 | 苏州蓝石新动力有限公司 | Segment code screen driving system and segment code screen driving method |
-
2019
- 2019-04-03 CN CN201920451419.7U patent/CN209560230U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114299839A (en) * | 2022-01-06 | 2022-04-08 | 苏州蓝石新动力有限公司 | Segment code screen driving system and segment code screen driving method |
| CN114299839B (en) * | 2022-01-06 | 2024-04-30 | 苏州蓝石新动力有限公司 | Segment code screen driving system and segment code screen driving method |
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