CN208737823U - A kind of optical projection screen based on intelligent heat dissipation - Google Patents
A kind of optical projection screen based on intelligent heat dissipation Download PDFInfo
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- CN208737823U CN208737823U CN201821488985.7U CN201821488985U CN208737823U CN 208737823 U CN208737823 U CN 208737823U CN 201821488985 U CN201821488985 U CN 201821488985U CN 208737823 U CN208737823 U CN 208737823U
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- module
- temperature
- heat
- led display
- temperature sensor
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 18
- 230000003287 optical effect Effects 0.000 title claims abstract description 12
- 239000004065 semiconductor Substances 0.000 claims abstract description 34
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 abstract description 3
- 238000005057 refrigeration Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000032683 aging Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009123 feedback regulation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
- 230000001550 time effect Effects 0.000 description 1
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Abstract
The utility model relates to a kind of optical projection screens based on intelligent heat dissipation, it include: LED display module and multiple radiating subassemblies, each radiating subassembly includes semiconductor heat-dissipating module, temperature sensor, intelligent adjustment module and connector, the semiconductor heat-dissipating module is fixedly connected on the LED display module by connector, and a hollow region is formed between the two, the temperature sensor is set in the hollow region, the intelligence adjustment module is electrically connected with the temperature sensor and semiconductor heat-dissipating module respectively, the intelligence adjustment module controls adjusting of the semiconductor heat-dissipating module to temperature according to the temperature that temperature sensor detects.The utility model use active heat removal mode, increase substantially the radiating efficiency of LED display module, it is ensured that all areas of LED display module are under good operating temperature, have many advantages, such as precisely work, it is environmentally protective, high-efficient.
Description
Technical field
The utility model relates to intelligent heat dissipation technical field more particularly to a kind of optical projection screens based on intelligent heat dissipation
Curtain.
Background technique
In recent years, small spacing LED screen display technology is quickly grown, and mating application technology also tends to be abundant, in telecommunication network
It is obtained in the multiple fields such as management, traffic police commander, traffic monitoring management, military combat commanding and training, government department extensively
Application.For small spacing LED screen according to different display contents, the calorific value of each mould group is variant, but production on the market at present
Product are all made of the passive radiating mode in module rear setting cooling fin, can not precisely be located for the heat condition of each module
Reason, so that being frequently occurred using to bad point after certain time length, and each module degree of aging is different, color difference occurs.Heat dissipation aspect
One of the main hindering factor that the pel spacing that defect has become small spacing LED screen further reduces.
Magnetic Refrigeration Technique based on semiconductor material is received significant attention and is quickly grown for a long time, because of magnetic Refrigeration Technique
Have many characteristics, such as environmentally protective, efficient, it is considered to be most promising Refrigeration Technique.Have under room temperature environment at present many
Maturation application, and related industry chain also tends to completely, manufacturing cost is also greatly lowered, and has had the condition of market scale.
Utility model content
In view of the above-mentioned problems, the utility model is intended to provide a kind of optical projection screen based on intelligent heat dissipation, using master
Dynamic radiating mode, increases substantially the radiating efficiency of LED display module, it is ensured that all areas of LED display module are in good
Under good operating temperature, has many advantages, such as precisely work, environmentally protective, high-efficient.
Concrete scheme is as follows:
A kind of optical projection screen based on intelligent heat dissipation, comprising: LED display module and multiple radiating subassemblies, it is each to dissipate
Hot component is arranged at the shady face of the LED display module, and is distributed in different zones, is respectively used to different zones
LED display module radiates.
Each radiating subassembly includes semiconductor heat-dissipating module, temperature sensor, intelligent adjustment module and connector, described
Semiconductor heat-dissipating module is fixedly connected on the LED display module by connector, and forms a hollow region between the two, institute
It states temperature sensor to be set in the hollow region, the semiconductor heat-dissipating module includes the heat absorbing end and heat dissipation being oppositely arranged
End, the heat absorbing end are set in the hollow region.
The intelligence adjustment module is electrically connected with the temperature sensor and semiconductor heat-dissipating module respectively, the intelligence
Adjustment module controls adjusting of the semiconductor heat-dissipating module to temperature according to the temperature that temperature sensor detects.
Further, the intelligent adjustment module controls the semiconductor according to the temperature that temperature sensor detects and dissipates
The opening and closing of thermal modules.
Further, the intelligent adjustment module controls output according to the temperature that temperature sensor detects to described half
The size of the voltage of conductor radiating module.
Further, the radiating end of the semiconductor heat-dissipating module connects aluminum fin inserting type heat radiator.
Further, the intelligent adjustment module includes a control chip, and the control chip is single-chip microcontroller.
The utility model use technical solution as above, and have the utility model has the advantages that
The utility model designs accurate, each region in real-time control LED display module operating temperature by feedback regulation,
Can be greatly lowered display module failure incidence, inhibit because the bad point problem for improper initiation of radiating and aging it is different caused by color
Poor problem, using the Refrigeration Technique of non-hazardous environment, working mechanism is intelligently not necessarily to manual operation, applied widely, can support
The LED display of any specification.
Detailed description of the invention
Fig. 1 show the structural schematic diagram of the utility model embodiment.
Fig. 2 show the electric connection schematic diagram of the utility model embodiment.
Specific embodiment
To further illustrate each embodiment, the utility model is provided with attached drawing.These attached drawings are in the utility model discloses
A part of appearance mainly to illustrate embodiment, and can cooperate the associated description of specification former come the running for explaining embodiment
Reason.Cooperation refers to these contents, and those of ordinary skill in the art will be understood that other possible embodiments and sheet are practical new
The advantages of type.
Now in conjunction with the drawings and specific embodiments, the present invention will be further described.
As illustrated in fig. 1 and 2, the utility model embodiment provides a kind of optical projection screen based on intelligent heat dissipation, packet
Include: LED display module 1 and multiple radiating subassemblies 2, each radiating subassembly 2 are arranged at the shady face of the LED display module 1,
And different zones are distributed in, it is respectively used to radiate to the LED display module 1 of different zones.
Each radiating subassembly 2 includes semiconductor heat-dissipating module 21, temperature sensor 22, intelligent adjustment module 23 and connection
Part 24, the semiconductor heat-dissipating module 21 is fixedly connected by connector 24 with the LED display module 1, and shape between the two
At a hollow region 3, the temperature sensor 22 is set in the hollow region 3, the semiconductor heat-dissipating module 21 for pair
The LED display module 1 radiates comprising the heat absorbing end 211 and radiating end 212 being oppositely arranged, the heat absorbing end 211 are set
It is placed in the hollow region 3, the radiating end 212 can connect common radiator, using connection one in the embodiment
Aluminum fin inserting type heat radiator 213.
The intelligence adjustment module 23 is electrically connected with the temperature sensor 22 and semiconductor heat-dissipating module 21 respectively, institute
Temperature sensor 22 is stated for detecting the temperature of the LED display module 1, the intelligence adjustment module 23 is according to temperature sensor
22 temperature detected control adjusting of the semiconductor heat-dissipating module 21 to temperature.
The intelligence adjustment module 23 includes that a control chip is used to carry out control control work, and the control chip can be with
For single-chip microcontroller, FPGA etc. when control chip, in the embodiment, in order to reduce cost, it is preferable to use low cost single-chip microcontroller
Control chip.
The working principle of the intelligence adjustment module 23 temperature can control the semiconductor heat-dissipating module 21 according to
Opening and closing, and then realize adjust temperature effect, when temperature be higher than preset temperature when, control semiconductor heat-dissipating module 21
It opens, when temperature is lower than preset temperature, control semiconductor heat-dissipating module 21 is closed；Or output is controlled according to temperature
To the size of the voltage of the semiconductor heat-dissipating module 21.In the embodiment, it is preferred to use control output to the semiconductor dissipates
The mode of the size of the voltage of thermal modules 21 is controlled.
In the embodiment, when LED display module 1 works, the heat distributed will be in Real Time Effect hollow region 3
Temperature real-time change is set in the real-time acquisition hollow region of the temperature sensor 22 in the phase and obtains temperature, and temperature data is sent out
It send to the control unit of the intelligent adjustment module 23.Semiconductor heat-dissipating module 21 is set heat absorbing end 211 by magnetic refrigeration principle
It is placed in inside hollow region 3, radiating end 212 connects aluminum fin inserting type heat radiator, provides electricity by intelligent adjustment module 23 for it
Source,
Preset program is adjusted defeated in real time according to the data feedback of acquisition in the control chip of the intelligence adjustment module 23
Voltage out, when the temperature of hollow region 3 is higher than established standards, intelligent adjustment module 23 will be turned up output voltage and then tune up half
The power of conductor radiating module 21 accelerates heat dissipation；Conversely, the power that will reduce semiconductor heat-dissipating module 21, slows down heat dissipation.By
This, semiconductor heat-dissipating module 21 adjusts Endothermic power according to the variation of input voltage in real time, in the sustainable absorption of heat absorbing end 211
The heat of empty region 3 is allowed in relative constant temperature, while the aluminum fin inserting type heat radiator 213 of radiating end 212 can will be inhaled
The heat of receipts is transferred to the region far from light-emitting diode display module.
It is designed by above-mentioned feedback regulation, when LED display module 1 shows light tone content, calorific value increases, thus
It drives the temperature of hollow region 3 to increase, triggering semiconductor heat-dissipating module 21 is increased into refrigeration work consumption, to reduce rapidly diode
The temperature of display module 1.Conversely, calorific value reduces, to trigger semiconductor when LED display module 1 shows dark-coloured content
Radiating module 21 reduces refrigeration work consumption, can both reduce energy consumption, can also realize the stabilization of light-emitting diode display module operating temperature.
Although specifically showing and describing the utility model in conjunction with preferred embodiment, those skilled in the art is answered
This is understood, in the spirit and scope for not departing from the utility model defined by the appended claims, in form and details
On the utility model can be made a variety of changes, be the protection scope of the utility model.
Claims (5)
1. a kind of optical projection screen based on intelligent heat dissipation, it is characterised in that: include: LED display module and multiple heat dissipation groups
Part, each radiating subassembly are arranged at the shady face of the LED display module, and are distributed in different zones, are respectively used to not
LED display module with region radiates；
Each radiating subassembly includes semiconductor heat-dissipating module, temperature sensor, intelligent adjustment module and connector, described partly to lead
Body radiating module is fixedly connected on the LED display module by connector, and forms a hollow region between the two, the temperature
Degree sensor is set in the hollow region, and the semiconductor heat-dissipating module includes the heat absorbing end being oppositely arranged and radiating end, institute
Heat absorbing end is stated to be set in the hollow region；
The intelligence adjustment module is electrically connected with the temperature sensor and semiconductor heat-dissipating module respectively, and the intelligence is adjusted
Module controls adjusting of the semiconductor heat-dissipating module to temperature according to the temperature that temperature sensor detects.
2. the optical projection screen according to claim 1 based on intelligent heat dissipation, it is characterised in that: the intelligence adjusts mould
Root tuber controls the opening and closing of the semiconductor heat-dissipating module according to the temperature that temperature sensor detects.
3. the optical projection screen according to claim 1 based on intelligent heat dissipation, it is characterised in that: the intelligence adjusts mould
Root tuber controls the size exported to the voltage of the semiconductor heat-dissipating module according to the temperature that temperature sensor detects.
4. the optical projection screen according to claim 1 based on intelligent heat dissipation, it is characterised in that: the semiconductor heat-dissipating
The radiating end of module connects aluminum fin inserting type heat radiator.
5. the optical projection screen according to claim 1 based on intelligent heat dissipation, it is characterised in that: the intelligence adjusts mould
Block includes a control chip, and the control chip is single-chip microcontroller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821488985.7U CN208737823U (en) | 2018-09-12 | 2018-09-12 | A kind of optical projection screen based on intelligent heat dissipation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821488985.7U CN208737823U (en) | 2018-09-12 | 2018-09-12 | A kind of optical projection screen based on intelligent heat dissipation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208737823U true CN208737823U (en) | 2019-04-12 |
Family
ID=66034410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821488985.7U Expired - Fee Related CN208737823U (en) | 2018-09-12 | 2018-09-12 | A kind of optical projection screen based on intelligent heat dissipation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208737823U (en) |
-
2018
- 2018-09-12 CN CN201821488985.7U patent/CN208737823U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190412 |