CN207009057U - A kind of LED display screen system suitable for ultra-wide temperature range - Google Patents
A kind of LED display screen system suitable for ultra-wide temperature range Download PDFInfo
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- CN207009057U CN207009057U CN201720639605.4U CN201720639605U CN207009057U CN 207009057 U CN207009057 U CN 207009057U CN 201720639605 U CN201720639605 U CN 201720639605U CN 207009057 U CN207009057 U CN 207009057U
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- temperature
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- led display
- temperature control
- control circuit
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Abstract
The utility model provides a kind of LED display screen system suitable for ultra-wide temperature range, including LED display, TEC temperature-constant plates and intelligent temperature control circuit, the TEC temperature-constant plates are arranged on below the LED display, keep thermally contacting with LED display, the TEC temperature-constant plates connect intelligent temperature control circuit and realize Programmable Temperature control by intelligent temperature control circuit.Semiconductor cooler TEC is applied to field of LED display by the utility model, intelligent temperature control is carried out to TEC temperature-constant plates by intelligent temperature control circuit, the work temperature range of traditional LED display can be significantly expanded, suitable for very hot or extremely cold working environment, simultaneously, the volume of TEC temperature-constant plates is extra small in the system, and power consumption and cost are all relatively low, is particularly suitable for application to wearing or hand-hold electronic equipments.
Description
Technical field
It the utility model is related to LED display technical field, more particularly to a kind of LED display suitable for ultra-wide temperature range
System.
Background technology
LED is a kind of semiconductor subassembly, has the characteristics of energy-saving and environmental protection, long lifespan, small volume, except
Display area is also widely used for applied to illumination in addition.LED display is a kind of flat-panel monitor, by small one by one
LED module panel forms, and is generally used to show the information such as word, image, video, video recording.Due to LED display brightness out of doors
High with definition, fast-developing wearing, handheld device frequently with miniature LED display also through being used as man-machine interaction circle in recent years
Face.
The LED display of standard, the temperature range of its work are approximately between -40 DEG C~+60 DEG C, can not be applied to pole
In low or high temperature environment.Under these extreme temperature environments, particularly in hot environment, LED display can produce bright
Aobvious light decay, performance drastically decline and produce damage, influence the service life of LED display.In face of above mentioned problem, traditional solution
Certainly scheme is that the electronic equipment with LED display is placed in the larger insulating box of volume, is adjusted by the temperature in insulating box
Section system adapts to more harsh working environment, but traditional insulating box has that power consumption is high, volume is big, failure is more, cost is high
The problems such as, if applied to wearing or hand-hold electronic equipments, it will be difficult to embedded system.
Utility model content
In order to solve the above problems, the utility model provides a kind of LED display screen system suitable for ultra-wide temperature range, can
Stable working environment is created for LED display.
The technical solution adopted in the utility model is：A kind of LED display screen system suitable for ultra-wide temperature range, including LED
Display screen, TEC temperature-constant plates and intelligent temperature control circuit, the TEC temperature-constant plates are arranged on below the LED display, shown with LED
Thermo-contact is held in screen protection, and the TEC temperature-constant plates connect intelligent temperature control circuit and realize Programmable Temperature control by intelligent temperature control circuit
System；Wherein, the TEC temperature-constant plates are made by the first potsherd scope of operation, TEC circuits, multiple TEC semiconductor pieces and the second potsherd
Industry face is formed, and the TEC circuits are printed in the first potsherd scope of operation, and the multiple TEC semiconductor pieces are arranged on TEC circuits
On, the second potsherd scope of operation is arranged on multiple TEC semiconductor pieces；The intelligent temperature control circuit includes microcontroller
MCU, temperature-sensitive module and drive module, the temperature-sensitive module are used to gather environment temperature and the temperature of TEC temperature-constant plates, the micro-control
The temperature value that device MCU processed collects according to temperature-sensitive module drives the heating of TEC temperature-constant plates or cooling.
Preferably, the LED display is miniature LED display.
Preferably, the LED display is TN-LED, STN-LED, DSTN-LED or TFT-LED.
Compared with prior art, there is following technique effect in the utility model：
Semiconductor cooler TEC is applied to field of LED display by the utility model, by intelligent temperature control circuit to TEC
Temperature-constant plate carries out intelligent temperature control, can be significantly expanded the work temperature range of traditional LED display, suitable for very hot or extremely cold work
Make environment, meanwhile, the volume of TEC temperature-constant plates is extra small in the system, and power consumption and cost are all relatively low, is particularly suitable for use in and dresses and hold
Electronic equipment.
Brief description of the drawings
Fig. 1 is structural representation Fig. 1 of the utility model LED display screen system；
Fig. 2 is structural representation Fig. 2 of the utility model LED display screen system；
Fig. 3 is the schematic diagram of intelligent temperature control circuit in the utility model LED display screen system.
Embodiment
The utility model is further described below in conjunction with accompanying drawing.
Referring to Fig. 1, a kind of LED display screen system suitable for ultra-wide temperature range, including LED display, TEC temperature-constant plates and intelligence
Can temperature control circuit.Specifically, the LED display can be TN-LED, STN-LED, DSTN-LED or TFT-LED, the TEC
Temperature-constant plate is arranged on below the LED display, keeps thermally contacting with LED display, the TEC temperature-constant plates connect intelligent temperature control
Circuit simultaneously realizes programmable temperature control by intelligent temperature control circuit.
Specifically, referring to Fig. 2, the TEC temperature-constant plates are semiconductor coolers, by the first potsherd scope of operation 21, TEC electricity
Road 22, the potsherd scope of operation 24 of multiple TEC semiconductor pieces 23 and second form, and the TEC circuits 22 are printed on the first potsherd
In the scope of operation 21, intelligent temperature control circuit is connected to by wire, the multiple TEC semiconductor pieces 23 are arranged on TEC circuits 22,
TEC semiconductor pieces can be made of the N-type and the bismuth telluride of p-type of heavy doping or other TEC semi-conducting materials, and described second
The potsherd scope of operation 24 is arranged on multiple TEC semiconductor pieces 23, and potsherd has good as the existing insulating properties and can of the scope of operation
Good heat-conductive characteristic.Certainly, the structure and material of the TEC temperature-constant plates can also be designed as needed, not limited
In this.
Preferably, microcontroller, temperature-sensitive module and drive module, institute are included referring to Fig. 3, the intelligent temperature control circuit
State temperature-sensitive module and gathered by thermistor NTC the temperature of environment temperature and TEC temperature-constant plates, the microcontroller according to
The temperature value that temperature-sensitive module collects drives the heating of TEC temperature-constant plates or cooling to act, and then realizes regulation LED display work
Make the purpose of temperature.
In the course of the work, intelligent temperature control circuit is passed through electric current, electric current production by TEC circuits to multiple TEC semiconductor pieces
Raw heat passes to opposite side from the side of TEC semiconductor pieces, and " heat " side and " cold " side are produced on TEC semiconductor pieces, realizes
TEC is heated and refrigerating function.Specifically, when intelligent temperature control circuit sense environment temperature it is extremely low in the case of then drive TEC permanent
Warm plate heats up in LED display side, conversely, needing to drive TEC temperature-constant plates if environment temperature is too high in LED display side
Cooling, so as to create relatively stable working temperature environment for LED display, make LED display in the dynamic humidity province of ultra-wide
Between, such as in -60 DEG C~+85 DEG C of environment temperature, can continue to keep optimal working condition.
Preferably, the LED display is miniature LED display, applied in wearing or hand-hold electronic equipments.The system
The volume of middle TEC temperature-constant plates is extra small, and power consumption and cost are all relatively low, is particularly suitable for application in wearing or hand-hold electronic equipments.
In a word, the utility model preferred embodiment is these are only, is not intended to limit the scope of protection of the utility model,
Within scope of the present utility model, the equivalents or modification made to the utility model should be included in this practicality newly
Within the protection domain of type.
Claims (3)
- A kind of 1. LED display screen system suitable for ultra-wide temperature range, it is characterised in that：Including LED display, TEC temperature-constant plates and Intelligent temperature control circuit, the TEC temperature-constant plates are arranged on below the LED display, keep thermally contacting with LED display, described TEC temperature-constant plates connect intelligent temperature control circuit and realize Programmable Temperature control by intelligent temperature control circuit；Wherein, the TEC is permanent Warm plate is made up of the first potsherd scope of operation, TEC circuits, multiple TEC semiconductor pieces and the second potsherd scope of operation, the TEC Circuit is printed in the first potsherd scope of operation, and the multiple TEC semiconductor pieces are arranged on TEC circuits, second ceramics The piece scope of operation is arranged on multiple TEC semiconductor pieces；The intelligent temperature control circuit includes microcontroller, temperature-sensitive module and drive Dynamic model block, the temperature-sensitive module are used to gather environment temperature and the temperature of TEC temperature-constant plates, and the microcontroller is according to temperature-sensitive The temperature value driving TEC temperature-constant plates heating or cooling that module collects.
- A kind of 2. LED display screen system suitable for ultra-wide temperature range according to claim 1, it is characterised in that：The LED Display screen is miniature LED display.
- A kind of 3. LED display screen system suitable for ultra-wide temperature range according to claim 1, it is characterised in that：The LED Display screen is TN-LED, STN-LED, DSTN-LED or TFT-LED.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720639605.4U CN207009057U (en) | 2017-06-05 | 2017-06-05 | A kind of LED display screen system suitable for ultra-wide temperature range |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720639605.4U CN207009057U (en) | 2017-06-05 | 2017-06-05 | A kind of LED display screen system suitable for ultra-wide temperature range |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207009057U true CN207009057U (en) | 2018-02-13 |
Family
ID=61446714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720639605.4U Active CN207009057U (en) | 2017-06-05 | 2017-06-05 | A kind of LED display screen system suitable for ultra-wide temperature range |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207009057U (en) |
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2017
- 2017-06-05 CN CN201720639605.4U patent/CN207009057U/en active Active
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