CN101930243B - Temperature control system of outdoor display - Google Patents
Temperature control system of outdoor display Download PDFInfo
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- CN101930243B CN101930243B CN 201010239332 CN201010239332A CN101930243B CN 101930243 B CN101930243 B CN 101930243B CN 201010239332 CN201010239332 CN 201010239332 CN 201010239332 A CN201010239332 A CN 201010239332A CN 101930243 B CN101930243 B CN 101930243B
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
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- 230000009977 dual effect Effects 0.000 description 1
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- 229910052742 iron Inorganic materials 0.000 description 1
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- 229910052751 metal Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The invention provides a temperature control system of an outdoor display and an outdoor cabinet. The temperature control system of the outdoor display comprises a temperature adjusting device and a heat exchange cabinet; in the temperature adjusting device, a cold and hot air preparation machine generates cold air/hot air by refrigerating/heating the air, the cold/hot air is blown into the heat exchange cabinet through an air inlet duct, the air which finishes heat exchange in the heat exchange cabinet is sucked back through a return air duct, and the cold/hot air is blown to the heat exchange cabinet again after the sucked air is refrigerated/heated so as to form an air duct cycle; a display is arranged in the heat exchange cabinet, and an ascending air duct and a descending air duct are formed in the heat exchange cabinet; and the cold air/hot air blown from the air inlet duct finish heat exchange through the ascending air duct and the descending air duct in turn, and are sent back to the cold and hot air preparation machine through the return air duct. The temperature control system can reasonably control the display to work in a normal temperature range and reduce use loss caused by temperature change.
Description
Technical field
The present invention relates to the temperature control technology field, particularly relate to a kind of temperature control system and a kind of Cabinet of outdoor display.
Background technology
Along with the development of display technology and social informatization, increasing in the demand of outdoor displaying various information, various displays such as LED screen etc. are widely used in outdoor advertising, public transport, media and communications etc.
Display is placed in outdoor, than indoor, one of restraining factors that it is main are exactly easily affected by environment, as needs waterproof, protection against the tide, dustproof, anti-high temperature etc.Particularly ambient temperature changes greatly, and display need to be operated in a temperature range usually.Different geographical, temperature environment is different, for example the cold drying of northern China, southern warm moist; Areal, in different seasons, the temperature difference is also very large; Day and night even on the same day, temperature also has difference.Temperature is higher, may burn out circuit board; When temperature was low, display possibly can't work, and therefore, too low or too high environment temperature can be accelerated the aging of display, affects its serviceable life.
In a word, need the urgent technical matters that solves of those skilled in the art to be exactly: how a kind of temperature control technology scheme of outdoor display can be provided, and reasonably the control display device is operated in normal temperature range.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of temperature control system and Cabinet of outdoor display, and reasonably the control display device is operated in normal temperature range.
In order to address the above problem, the invention discloses a kind of temperature control system of outdoor display, comprising: temperature control equipment and heat interchange rack;
Described temperature control equipment comprises: cold-hot wind draft machine, wind inlet channel, return airway and temperature sensor;
Described cold-hot wind draft machine generates cold wind/hot blast by air being carried out refrigerating/heating, and blow cold wind/hot blast by wind inlet channel in the heat exchanger cabinet, suck back the air of completing heat interchange in the heat interchange rack by return airway, and after the air that sucks back is carried out refrigerating/heating, cold wind/hot blast is blowed again to the heat interchange rack, form the wind path circulation; Wherein, described wind inlet channel is the air channel structure that the cross section diminishes from down to up gradually;
The top of described cold-hot wind draft machine is provided with blowing mouth and inlet scoop; The place is provided with blower fan at blowing mouth, is used for cold wind or the hot blast that makes is blown into the heat interchange rack by wind inlet channel; The place is provided with exhaust fan in the inlet scoop, is used for completing in the heat interchange rack air intake cold-hot wind draft machine of heat interchange;
Described temperature sensor is used for monitoring the temperature of described return airway; Wherein, during higher than the first preset temperature, the cold-hot wind draft machine freezes to air when the temperature of monitoring; During lower than the second preset temperature, the cold-hot wind draft machine heats air when the temperature of monitoring;
Described heat interchange rack is made of front console, side casing, rear end casing, top cover and bottom, also comprises wind deflector, is positioned at the top cover below of heat interchange rack; Described heat interchange rack is placed on temperature control equipment, is built-in with display;
The bottom of described heat interchange rack is provided with interior air inlet and interior return air inlet;
The display screen of display and front console, side casing surround the rising air channel; The back side of display and rear end casing, side casing surround the decline air channel; Cold wind/the hot blast that is blown into by wind inlet channel is completed heat interchange by rising air channel and decline air channel successively, and returns to the cold-hot wind draft machine by return airway; The distance of the front console of the display screen of described display and heat interchange rack is 10～15mm.
Preferably, described wind deflector is arc, and an end is placed in the top of described front console, and the other end is placed on the casing of rear end, is used for wind with the rising air channel and imports in the decline air channel.
Preferably, the lower end of described wind inlet channel is placed in the blowing mouth of cold-hot wind draft machine, and the upper end is placed in the interior air inlet of heat interchange rack; The lower end of described return airway is placed in the inlet scoop of cold-hot wind draft machine, and the upper end is placed in the interior return air inlet of heat interchange rack.
Preferably, described cold-hot wind draft machine also is provided with the external air inlet mouth, is used for when the cold-hot wind draft machine is started working, and outside air is sucked freeze or heat.
Further, described cold-hot wind draft machine also comprises:
Outer thermovent, the heat that produces when being used for discharging the work of cold-hot wind draft machine.
Preferably, the front console of described heat interchange rack is face glass.
Compared with prior art, the present invention has the following advantages:
The present invention is placed in display in the heat interchange rack, by temperature control equipment, the temperature in the heat interchange rack is regulated control, and is different according to the temperature of temperature sensor monitors, utilizes the cold-hot wind draft machine air is freezed or heat; And, blow cold wind by wind inlet channel to the heat exchanger cabinet and take away its inner heat, be perhaps that heat is brought in heat interchange rack inside by blowing hot blast, display makes within can be operated in normal temperature range, therefore can avoid the display environment temperature too high or too low, thereby reduce the service wear that temperature variation is brought, and then increase its serviceable life.
In addition, the present invention forms the rising air channel that is beneficial to heat interchange and decline air channel in the heat interchange rack, good heat interchange space is provided; And in heat interchange rack inside, wind deflector is set, helps air to fall flowing of air channel downwards by the rising air channel.
Description of drawings
Fig. 1 is the structural drawing of the temperature control system embodiment of a kind of outdoor display of the present invention;
Fig. 2 is the process flow diagram of the refrigerating method of the described temperature control system embodiment of Fig. 1;
Fig. 3 is the process flow diagram of the heating method of the described temperature control system embodiment of Fig. 1.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, the present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
With reference to Fig. 1, show the structural drawing of the temperature control system embodiment of a kind of outdoor display of the present invention, described temperature control system comprises: temperature control equipment 11 and heat interchange rack 12;
Described temperature control equipment 11 comprises: cold-hot wind draft machine 111, wind inlet channel 112, return airway 113 and temperature sensor 114;
Wherein, described cold-hot wind draft machine 111 generates cold wind/hot blast by air being carried out refrigerating/heating, and blow cold wind/hot blast by wind inlet channel 112 in heat exchanger cabinet 12, suck back the air of completing heat interchange in heat interchange rack 112 by return airway 113, and after the air that sucks back is carried out refrigerating/heating, cold wind/hot blast is blowed again to heat interchange rack 12, form the wind path circulation;
Described temperature sensor 114 is used for monitoring the temperature of described return airway; Wherein, during higher than the first preset temperature, 111 pairs of air of cold-hot wind draft machine freeze when the temperature of monitoring; During lower than the second preset temperature, 111 pairs of air of cold-hot wind draft machine heat when the temperature of monitoring;
Described heat interchange rack 12 is made of front console, side casing, rear end casing, top cover and bottom, and it is placed on temperature control equipment 11, is built-in with display 21;
The display screen of display and front console, side casing surround rising air channel 121; The back side of display and rear end casing, side casing surround decline air channel 122; Cold wind/the hot blast that is blown into by wind inlet channel is completed heat interchange by rising air channel 121 and decline air channel 122 successively, and returns to the cold-hot wind draft machine by return airway 113.
Below, the temperature control system of the described outdoor display of the embodiment of the present invention is specifically described:
Temperature control equipment carries out adjustment to the display in the heat interchange rack and controls, in described temperature control equipment, by temperature sensor, the temperature in the heat interchange rack is carried out Real-Time Monitoring, described cold-hot wind draft machine is connected with the heat interchange rack by wind inlet channel, return airway respectively.
General, the cold-hot wind draft machine can be the air-conditioning of customization, it comprises for the refrigeration unit that generates cold wind with for the heating unit that generates hot blast.Described refrigeration unit can be condensate compressor, by air is carried out compression refrigeration; Described heating unit can obtain enough heats by heating (as resistance wire etc.) is heated, and blows out the hot blast that needs by fan.
Need to prove, refrigeration of the present invention, heating method are not limited to above-mentioned dual mode, and the equipment of any generation hot blast or hot blast all is applicable to the present invention.
In described heat interchange rack, circulate forced convection by forming wind path; Concrete, display has a normal operating temperature range, when the temperature of monitoring during higher than the first preset temperature, with cold wind, the heat of heat interchange rack inside is taken away; When the temperature of monitoring during lower than the second preset temperature, be the heat that brings of heat interchange rack inside with hot blast; Because heat interchange rack inside is also the residing environment of display, thereby can reach the purpose that display is worked in normal temperature range.
In a preferred embodiment of the invention, described heat interchange rack is built-in with wind deflector 123, is positioned at the top cover below of heat interchange rack; Described wind deflector 123 1 ends are placed in the top of described front console, and the other end is placed on the casing of rear end, are used for wind with rising air channel 121 and import in decline air channel 122.
The described wind deflector of the embodiment of the present invention is arcuate structure, has downward concave surface, because this wind deflector has smooth arc-shaped curved surface, entered the wind in rising air channel by wind inlet channel, behind the top that arrives the rising air channel, to enter along the arc-shaped curved surface of wind deflector the decline air channel, good guiding the flow direction of wind.
Common, be face glass in order to show more clearly the displaying contents of display, the front console of described heat interchange rack at the front end of heat interchange rack.In actual applications, the side casing of described heat interchange rack, rear end casing, top cover and bottom can be metal shell, and for example, described metal material can be iron, aluminium etc.
Further, in order to have better bandwagon effect, the distance of the front console of the display screen of described display and heat interchange rack (being also that the forward position of display screen is to the distance of glass inwall) is 10～15mm.The rising air channel that surrounds of display screen and front console, side casing is the long and narrow rising space, and, because the rising air channel is long and narrow, so blast foot, long and narrow air channel helps flowing of air, improve wind speed, can be at short notice complete the exchange heat with display in the rising air channel.And in practice, the back side that can described display and the distance of rear end casing inner wall can be for enough large, so that heat interchange space greatly to be provided enough.
Further, the top of described cold-hot wind draft machine is provided with blowing mouth 115 and inlet scoop 116; The bottom of described heat interchange rack is provided with interior air inlet 124 and interior return air inlet 125; The lower end of described wind inlet channel 112 is placed in the blowing mouth 115 of cold-hot wind draft machine, and the upper end is placed in the interior air inlet 124 of heat interchange rack; The lower end of described return airway 123 is placed in the inlet scoop 116 of cold-hot wind draft machine, and the upper end is placed in the interior return air inlet 125 of heat interchange rack.
For cold wind or the hot blast that the cold-hot wind draft machine is generated enters long and narrow rising air channel smoothly, described wind inlet channel is the air channel structure that the cross section diminishes from down to up gradually.
In addition, described cold-hot wind draft machine 111 also is provided with external air inlet mouth 117, is used for when the cold-hot wind draft machine is started working, and outside air is sucked freeze or heat.
That is to say, in the time of the initial start of cold-hot wind draft machine, the air that is entered by the external air inlet mouth is freezed or heats, generate the cold wind or the hot blast that are used for heat interchange.During the normal operation of cold-hot wind draft machine, the air of completing heat interchange from return airway freezed or heats, generating cold wind or hot blast.
Further, described cold-hot wind draft machine 111 also comprises:
Hair-dryer is used for cold wind or the hot blast that makes is blown into the heat interchange rack by wind inlet channel;
Exhaust fan is blown into heat interchange rack with cold wind or the hot blast that makes by wind inlet channel for the air that will complete heat interchange in the heat interchange rack
Cold wind or hot blast can be blown into the heat interchange rack by wind inlet channel by hair-dryer (perhaps adopting a kind of fan), and the air-flow that produces can assist cold wind or hot blast to blow to the top in rising air channel; Same, cold wind or hot blast can be sucked the heat interchange rack by return airway by exhaust fan, and the air-flow that produces can assist cold wind or hot blast to suck back the bottom that rises the air channel to lower.
Below, be specifically introduced for the course of work of the temperature control system of the described a kind of outdoor display of the embodiment of the present invention.
Referring to Fig. 2, show the process flow diagram of the refrigerating method of the described temperature control system embodiment of Fig. 1 of the present invention, comprising:
Wherein, carry out different operation stepss according to the temperature difference of monitoring.Normal conditions, the normal working temperature of display are 10 ℃～40 ℃, and in embodiments of the present invention, setting the first preset temperature is 40 ℃, and setting the second preset temperature is 10 ℃.
The heat that distributes during the display normal operation is constant, continues, and when there is no heat interchange, its temperature can constantly raise, and when serious, can damage display, as burn out circuit board.During higher than 40 ℃, described cold-hot wind draft machine is started working when the temperature that monitors return airway, by the external air inlet mouth, outside air is sucked and freezes;
Step 206 sucks back the air of completing heat interchange in the heat interchange rack by return airway;
Referring to Fig. 3, show the process flow diagram of the heating method of the described temperature control system embodiment of Fig. 1 of the present invention, comprising:
Step 301, in temperature control equipment, the temperature of the described return airway of temperature sensor Real-Time Monitoring;
Step 302, during lower than the second preset temperature, the cold-hot wind draft machine heats air when the temperature of monitoring;
Also namely, during lower than 10 ℃, described cold-hot wind draft machine is started working when the temperature that monitors return airway, by the external air inlet mouth, outside air is sucked to heat.
Step 303, the cold-hot wind draft machine blows hot blast by wind inlet channel in the heat exchanger cabinet;
Step 304, the hot blast that is blown into the rising air channel by wind inlet channel by heat interchange to the display screen transfer of heat;
Step 305, hot blast enters the decline air channel by wind deflector, by heat interchange, heat is passed in the display rear end;
Step 306 sucks back the air of completing heat interchange in the heat interchange rack by return airway;
Step 307, the cold-hot wind draft machine heats the air that sucks back, and hot blast is blowed again to the heat interchange rack, forms the wind path circulation;
Step 308, when the second preset temperature was outside the first preset reference temperature, described cold-hot wind draft machine stopped heating when the temperature of monitoring.
In addition, the invention also discloses a kind of Cabinet, comprise outdoor display and temperature control system; Described temperature control system comprises: temperature control equipment and heat interchange rack;
Wherein, described temperature control equipment comprises: cold-hot wind draft machine, wind inlet channel, return airway and temperature sensor;
Described cold-hot wind draft machine generates cold wind/hot blast by air being carried out refrigerating/heating, and blow cold wind/hot blast by wind inlet channel in the heat exchanger cabinet, suck back the air of completing heat interchange in the heat interchange rack by return airway, and after the air that sucks back is carried out refrigerating/heating, cold wind/hot blast is blowed again to the heat interchange rack, form the wind path circulation;
Described temperature sensor is used for monitoring the temperature of described return airway; Wherein, during higher than the first preset temperature, the cold-hot wind draft machine freezes to air when the temperature of monitoring; During lower than the second preset temperature, the cold-hot wind draft machine heats air when the temperature of monitoring;
Described heat interchange rack is made of front console, side casing, rear end casing, top cover and bottom, and it is placed on temperature control equipment, is built-in with display;
The display screen of display and front console, side casing surround the rising air channel; The back side of display and rear end casing, side casing surround the decline air channel; Cold wind/the hot blast that is blown into by wind inlet channel is completed heat interchange by rising air channel and decline air channel successively, and returns to the cold-hot wind draft machine by return airway.
In a preferred embodiment of the invention, described heat interchange rack is built-in with wind deflector, is positioned at the top cover below of heat interchange rack; Described wind deflector is arc, and an end is placed in the top of described front console, and the other end is placed on the casing of rear end, is used for wind with the rising air channel and imports in the decline air channel.
In order to form long and narrow rising air channel, the distance of the front console of the display screen of described display and heat interchange rack is 10～15mm.
Concrete, the top of described cold-hot wind draft machine is provided with blowing mouth and inlet scoop; The bottom of described heat interchange rack is provided with interior air inlet and interior return air inlet; The lower end of described wind inlet channel is placed in the blowing mouth of cold-hot wind draft machine, and the upper end is placed in the interior air inlet of heat interchange rack; The lower end of described return airway is placed in the inlet scoop of cold-hot wind draft machine, and the upper end is placed in the interior return air inlet of heat interchange rack.
Further, described wind inlet channel is the air channel structure that the cross section diminishes from down to up gradually.
Further, described cold-hot wind draft machine also is provided with the external air inlet mouth, is used for when the cold-hot wind draft machine is started working, and outside air is sucked freeze or heat.
Further, described cold-hot wind draft machine also comprises:
Blower fan is used for cold wind or the hot blast that makes is blown into the heat interchange rack by wind inlet channel;
Exhaust fan is blown into heat interchange rack with cold wind or the hot blast that makes by wind inlet channel for the air that will complete heat interchange in the heat interchange rack
Outer thermovent, the heat that produces when being used for discharging the work of cold-hot wind draft machine.
In one embodiment of the invention, the front console of described heat interchange rack is face glass.
For Cabinet embodiment, because its temperature control system embodiment to outdoor display shown in Figure 1 is substantially similar, so describe fairly simple, relevant part gets final product referring to the part explanation of the temperature control system embodiment of outdoor display.
Above temperature control system and Cabinet to a kind of outdoor display provided by the present invention, be described in detail, used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (6)
1. the temperature control system of an outdoor display, is characterized in that, comprising: temperature control equipment and heat interchange rack;
Described temperature control equipment comprises: cold-hot wind draft machine, wind inlet channel, return airway and temperature sensor;
Described cold-hot wind draft machine generates cold wind/hot blast by air being carried out refrigerating/heating, and blow cold wind/hot blast by wind inlet channel in the heat exchanger cabinet, suck back the air of completing heat interchange in the heat interchange rack by return airway, and after the air that sucks back is carried out refrigerating/heating, cold wind/hot blast is blowed again to the heat interchange rack, form the wind path circulation; Wherein, described wind inlet channel is the air channel structure that the cross section diminishes from down to up gradually;
The top of described cold-hot wind draft machine is provided with blowing mouth and inlet scoop; The place is provided with blower fan at blowing mouth, is used for cold wind or the hot blast that makes is blown into the heat interchange rack by wind inlet channel; The place is provided with exhaust fan in the inlet scoop, is used for completing in the heat interchange rack air intake cold-hot wind draft machine of heat interchange;
Described temperature sensor is used for monitoring the temperature of described return airway; Wherein, during higher than the first preset temperature, the cold-hot wind draft machine freezes to air when the temperature of monitoring; During lower than the second preset temperature, the cold-hot wind draft machine heats air when the temperature of monitoring;
Described heat interchange rack is made of front console, side casing, rear end casing, top cover and bottom, also comprises wind deflector, is positioned at the top cover below of heat interchange rack; Described heat interchange rack is placed on temperature control equipment, is built-in with display;
The bottom of described heat interchange rack is provided with interior air inlet and interior return air inlet;
The display screen of display and front console, side casing surround the rising air channel; The back side of display and rear end casing, side casing surround the decline air channel; Cold wind/the hot blast that is blown into by wind inlet channel is completed heat interchange by rising air channel and decline air channel successively, and returns to the cold-hot wind draft machine by return airway; The distance of the front console of the display screen of described display and heat interchange rack is 10～15mm.
2. the system as claimed in claim 1, is characterized in that,
Described wind deflector is arc, and an end is placed in the top of described front console, and the other end is placed on the casing of rear end, is used for wind with the rising air channel and imports in the decline air channel.
3. the system as claimed in claim 1, is characterized in that,
The lower end of described wind inlet channel is placed in the blowing mouth of cold-hot wind draft machine, and the upper end is placed in the interior air inlet of heat interchange rack;
The lower end of described return airway is placed in the inlet scoop of cold-hot wind draft machine, and the upper end is placed in the interior return air inlet of heat interchange rack.
4. the system as claimed in claim 1, is characterized in that,
Described cold-hot wind draft machine also is provided with the external air inlet mouth, is used for when the cold-hot wind draft machine is started working, and outside air is sucked freeze or heat.
5. the system as claimed in claim 1, is characterized in that, described cold-hot wind draft machine also comprises:
Outer thermovent, the heat that produces when being used for discharging the work of cold-hot wind draft machine.
6. the system as claimed in claim 1, is characterized in that,
The front console of described heat interchange rack is face glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010239332 CN101930243B (en) | 2010-07-27 | 2010-07-27 | Temperature control system of outdoor display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010239332 CN101930243B (en) | 2010-07-27 | 2010-07-27 | Temperature control system of outdoor display |
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| CN101930243A CN101930243A (en) | 2010-12-29 |
| CN101930243B true CN101930243B (en) | 2013-06-19 |
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| CN 201010239332 Active CN101930243B (en) | 2010-07-27 | 2010-07-27 | Temperature control system of outdoor display |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107239116A (en) * | 2017-06-20 | 2017-10-10 | 柳州译海网络科技有限公司 | A kind of higher computer host housing of stability |
| CN110244504B (en) * | 2019-06-17 | 2021-02-26 | 宁波市法诺工业产品设计有限公司 | Multifunctional education projector device |
| CN110518468B (en) * | 2019-08-20 | 2023-06-27 | 国家电网有限公司 | Intelligent moisture removing device for secondary circuit of GIS equipment of transformer substation |
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| JP4766499B2 (en) * | 2009-01-19 | 2011-09-07 | 三洋電機株式会社 | Outdoor image display device |
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| JP2006308726A (en) * | 2005-04-27 | 2006-11-09 | Tokyo Electric Power Co Inc:The | Street terminal apparatus |
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| CN101930243A (en) | 2010-12-29 |
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