CN103582385B - Outdoor electronic newspaper stand and fast cooling device thereof - Google Patents

Outdoor electronic newspaper stand and fast cooling device thereof Download PDF

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Publication number
CN103582385B
CN103582385B CN201210270530.9A CN201210270530A CN103582385B CN 103582385 B CN103582385 B CN 103582385B CN 201210270530 A CN201210270530 A CN 201210270530A CN 103582385 B CN103582385 B CN 103582385B
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panel
bulletin board
air
air outlet
casing
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CN103582385A (en
Inventor
孔军
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Shanghai Kuanglong Digital Polytron Technologies Inc
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Shanghai Kuanglong Digital Polytron Technologies Inc
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Abstract

A kind of outdoor electronic newspaper stand and fast cooling device thereof, described heat abstractor includes: the first relative panel and the second panel, the 3rd relative panel and fourth face plate, and described 3rd panel and fourth face plate are adjacent with described first panel and the second panel;It is located at described first panel, the air outlet of close described fourth face plate and is located at described first panel, the return air inlet of close described 3rd panel;It is located at described second panel, the air inlet of close described fourth face plate and is located at the air outlet of described second panel;It is located at the heat exchanger components between described first panel and the second panel.The rapid heat radiation device power consumption of technical solution of the present invention is little, low cost, does not haves dew condensation phenomenon when dispelling the heat electronic equipment.

Description

Outdoor electronic newspaper stand and fast cooling device thereof
Technical field
The present invention relates to a kind of outdoor electronic newspaper stand and fast cooling device thereof.
Background technology
Along with electronic technology, the developing rapidly of integrated circuit, the overall power density of electronic devices and components is significantly Increase and physical size is more and more less, heat flow density is consequently increased, and then the inside of electronic devices and components Temperature constantly raises, as is well known, in the work process of electronic devices and components, himself and outside Ambient temperature all can cause the temperature of electronic devices and components constantly to raise, when superhigh temperature, and electronics unit Device there will be thermal failure, i.e. causes electronic devices and components to lose its electric function completely due to hot factor, Therefore, the heat dissipation problem effectively solving electronic devices and components has become Current electronic components and parts and electronic equipment system The key technology made.
At present electronic equipment is just with high power density, high reliability, high efficiency, realizes miniaturization, light Quantify.For electronic equipment, the inefficacy of electronic equipment has more than half to be all owing to overtemperature is caused , along with the increase of temperature, the crash rate of electronic equipment the most exponentially property increase, and electronic equipment dissipate Heat is bad also counteracts that electronic equipment is to miniaturization, light-weighted development.Additionally, for electronic equipment Speech, in addition to thermal failure, if the ambient temperature residing for electronic equipment is too low, also results in electronic equipment Lost efficacy, it is impossible to normally work.
Outdoor electronic showcase or bulletin board is a kind of electronic equipment that read a newspaper for people in public places, Yong Huke To be selected the newspaper wanting to read by touch screen, outdoor electronic showcase or bulletin board provides the richest to reader Rich information, and information can be updated in real time by outdoor electronic showcase or bulletin board by the Internet.Right For the outdoor electronic showcase or bulletin board being in outdoor, if electronics showcase or bulletin board is arranged on the south that weather is more hot The north that side or weather are more cold, provides the environment of constant temperature so that open air for electronics showcase or bulletin board casing Electronics showcase or bulletin board can normally work, and seems more important.Therefore, phase is provided to outdoor electronic showcase or bulletin board The environment comparing constant temperature is become the most urgently to be resolved hurrily so that outdoor electronic showcase or bulletin board can normally work One of problem.
The Chinese patent application of Publication No. 201035935 provides a kind of Multi-functional electronic reading newspaper column, including Showcase or bulletin board, described showcase or bulletin board is connected with control circuit at least provided with an electronic display unit, this device, Control circuit is then connected with memorizer, is provided with multiple control simultaneously and reads key, at showcase or bulletin board on showcase or bulletin board On be additionally provided with earphone used for the blind, this earphone is connected with Voice Navigation circuit.But for the problems referred to above its It is not directed to.
Summary of the invention
Present invention solves the technical problem that it is to provide stationary temperature for outdoor electronic showcase or bulletin board and then guarantee family Exoelectron showcase or bulletin board can normally work.
For solving above-mentioned technical problem, technical solution of the present invention provides the quick of a kind of outdoor electronic showcase or bulletin board Heat abstractor, including:
The first relative panel and the second panel, the 3rd relative panel and fourth face plate, described 3rd Plate and fourth face plate are adjacent with described first panel and the second panel;
Be located at described first panel, near described fourth face plate air outlet and be located at described first panel, Return air inlet near described 3rd panel;
It is located at described second panel, the air inlet of close described fourth face plate and is located at described second panel Air outlet;
It is located at the heat exchanger components between described first panel and the second panel.
Optionally, the rapid heat radiation device of described outdoor electronic showcase or bulletin board also includes: be respectively arranged on described The blower fan of air outlet, return air inlet, air inlet and air outlet.
Optionally, described air outlet and air outlet are symmetrical arranged.
Optionally, the rapid heat radiation device of described outdoor electronic showcase or bulletin board also includes: be located at described first The heater heated between panel and the second panel, to the air intake of described air inlet.
Optionally, described heater is heat pump.
Optionally, described air outlet and air outlet are air grid, and described return air inlet and air inlet are air holes.
For solving above-mentioned technical problem, technical solution of the present invention also provides for a kind of outdoor electronic showcase or bulletin board, bag Including: casing, touch screen, display screen, described touch screen is located at the front panel of described casing,
Described display screen be located in described casing and and described touch screen between there is interval;
Described outdoor electronic showcase or bulletin board also includes: above-mentioned rapid heat radiation device, described rapid heat radiation device It is located in described casing and near the rear board of described casing, wherein,
Described air outlet is near the bottom of described casing;
Forming the first air channel between described air outlet and return air inlet, described first air channel is through described display screen And the interval between touch screen and described heat exchanger components;
Forming the second air channel between described air inlet and air outlet, described second air channel is through described heat exchanging part Part.
Optionally, described casing is containment housing.
Optionally, described outdoor electronic showcase or bulletin board also includes: be located at described display screen and quick heat radiating dress Between putting, change described air outlet air-supply wind direction spoiler.
Optionally, described outdoor electronic showcase or bulletin board also includes: be located in described casing and described touch The circuit board that screen and display screen connect, described circuit board is parallel and close to described display screen.
Optionally, the bottom of the front panel of described casing is cambered surface.
Optionally, described outdoor electronic showcase or bulletin board also includes: connect described rapid heat radiation device and casing The dividing plate of rear board.
Optionally, the centre of described second panel is located at by described dividing plate.
Optionally, described first air channel is less than or equal to 2 meters.
Compared with prior art, technical scheme has the advantage that
Heat abstractor only realizes the heat radiation to electronic equipment by heat exchanger components and heater, owing to not having The mode using compressor produces hot blast or cold wind, on the one hand reduces power consumption and the cost of heat abstractor, On the other hand owing to not using compressor, therefore the electronic equipment using heat abstractor to carry out dispelling the heat does not haves Dew condensation phenomenon.
By being provided with heat abstractor in electronics showcase or bulletin board casing out of doors, and make touch screen and display screen it Between have interval improve the heat radiation to touch screen Yu display screen.
Further, by the circuit board that is connected with touch screen and display screen parallel and close to described display screen, Increase the area of dissipation of display screen so that its front and back all has cold wind process, and then greatly carries The high heat radiation to display screen.
By described first air channel, is dispelled the heat in the inside of electronics showcase or bulletin board casing, due to via the first wind The wind in road flows at box house all the time, and described casing is containment housing, therefore is possible to prevent the ash of outside Dirt and steam enter box house, it is therefore prevented that the generation of adverse consequences.
The air outlet of heat abstractor is changed by arranging spoiler between described display screen and heat abstractor Air-supply wind direction so that cold wind can the most vertically blow to touch screen, display screen and circuit board, therefore Accelerate the heat radiation to electronics showcase or bulletin board box house.
Further, it is cambered surface by the bottom design of the front panel of described electronics showcase or bulletin board casing, changes The air-supply wind direction of the air outlet of heat abstractor, adds wind speed, is sufficiently used the wind that air outlet is sent Amount, and then improve the heat radiation to electronics showcase or bulletin board box house to a great extent.
By dividing plate, the rear board of described heat abstractor with electronics showcase or bulletin board casing is attached, on the one hand Prevent rainwater to flow into heat sink interior via the hole on rear board, reduce the shadow to heat abstractor performance Ring, on the other hand, it is to avoid the generation of the hot air reflux that air outlet is discharged to the phenomenon of air inlet, thus right The cooling of heat exchanger components is thorough, and then makes the heat radiation of electronics showcase or bulletin board box house more abundant.
Described first air channel is less than or equal to 2 meters, it is ensured that the air supply velocity of the air outlet of heat abstractor and Air quantity constant, improves the heat radiation to electronics showcase or bulletin board box house.
Accompanying drawing explanation
Fig. 1 is the front view of the rapid heat radiation device of the outdoor electronic showcase or bulletin board of the embodiment of the present invention;
Fig. 2 is the rapid heat radiation device sectional view of the outdoor electronic showcase or bulletin board of the embodiment of the present invention;
Fig. 3 is the rapid heat radiation device rearview of the outdoor electronic showcase or bulletin board of the embodiment of the present invention;
Fig. 4 is the sectional view of the outdoor electronic showcase or bulletin board of the embodiment of the present invention.
Detailed description of the invention
Just as described in the background art, outdoor electronic showcase or bulletin board is owing to being chronically at the family of different temperatures External environment, therefore provide stationary temperature environment particularly important for outdoor electronic showcase or bulletin board casing.
Inventor finds, for the heat radiation of outdoor electronic showcase or bulletin board in prior art, it is common that by family The bottom of exoelectron showcase or bulletin board casing arranges air outlet, by air outlet, cold wind is sent into electronics showcase or bulletin board case Internal portion, dispels the heat to the electronic equipment of box house, then by the ventilation fan being arranged on casing side The hot blast of box house is taken away so that the air-flow of whole box house forms a list with outside air-flow Circulation, and then the electronic equipment of whole box house is dispelled the heat.But this single-cycle heat radiation side There is certain drawback in formula, first, the cold wind that air outlet is sent into is usually ambient wind, due to environment wind facies Relatively low for its temperature from the point of view of the electronic equipment of box house, therefore it is called cold wind.However as extraneous ring The continuous rising of border temperature, the temperature of the cold wind that air outlet is sent into also raises constantly, therefore, very The heat radiation to electronics showcase or bulletin board box house is reduced in big degree.Secondly as use single-cycle side Formula is dispelled the heat, and therefore, outside dust and steam are easy to along with outside cold wind enters box house, And then the electronic equipment of box house is exerted an adverse impact.Additionally, prior art is primarily upon open air The heat radiation of electronics showcase or bulletin board, to how guaranteeing that outdoor electronic showcase or bulletin board also may be used in the environment of relatively low in temperature It is not directed to normal work.
The distribution character of hot and cold air in outdoor electronic showcase or bulletin board casing is analyzed, under casing by inventor Portion is low, top is high, distribution gradient, therefore, on outdoor electronic showcase or bulletin board housing interior volume height Temperature regime set up corresponding data model, specifically,
Assuming that the spatial altitude between electronics showcase or bulletin board box bottom and top is H, the some distance of box house The height of box bottom is x, and memory box is ω at a flow velocity0Vertical ascent or the air-flow of decline, If the temperature of box bottom (x=0) is t0, the temperature of casing top (x=H) is tH, it is assumed that casing When inside is air dielectric, the unit thermal conductance of air dielectric unit mass is one in first level approximation Constant, the most in this case, according to Thermodynamics Formulas Δ Q=Cm Δ t, can derive the temperature of box house Degree distribution equation in air dielectric is:
λ × ( d 2 t dx 2 ) + Q ( x ) = C p × γ × ω 0 × ( dt dx )
Wherein: Q (x) be box house distance box bottom height be the heat shed on the point of x, λ is The coefficient of heat conduction of air, CPBeing the specific heat of air, γ is the quality of unit air, and x is box house The height of some distance box bottom, t is the temperature of box house point, ω0It it is air velocity.
By above-mentioned formula it is recognised that for electronics showcase or bulletin board casing, air velocity ω0It it is a pass Bond parameter, ω0The biggest, its box house height is temperature t of x pointxStep the least, thermograde change The least, the temperature of box house then will tend to constant.But for electronics showcase or bulletin board, air outlet The speed of the cold wind sent into can not infinitely increase, therefore, except providing given pace by air outlet Outside cold wind, in addition it is also necessary to electronics showcase or bulletin board box house environment is carried out certain optimization, to guarantee air outlet The cold wind sent into is more unobstructed in box house flowing and plays a role with maximal efficiency.
Inventor proposes, and arranges heat abstractor at the rear board near electronics showcase or bulletin board casing, utilizes heat radiation Electronics showcase or bulletin board box house is cooled down by the cold wind that the air outlet of device is sent, and by cooled casing Internal and the cold wind of heating is re-fed into heat abstractor via the return air inlet of heat abstractor, via heat abstractor Heat exchanger components cooling after, still sent by air outlet and cool down with the inside to electronics showcase or bulletin board casing, And heat exchanger components is cooled down by the cold wind between heat abstractor air inlet and air outlet, it is ensured that by dissipating The wind that thermal air outlet is sent is always cold wind, and then enters the inside of electronics showcase or bulletin board casing well Row heat radiation.
Understandable, below in conjunction with the accompanying drawings for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from The detailed description of the invention of the present invention is described in detail.
Elaborate detail in the following description so that fully understanding the present invention.But the present invention can Being different from alternate manner described here implement with multiple, those skilled in the art can be without prejudice to this Similar popularization is done in the case of invention intension.Therefore the present invention is not by following public detailed description of the invention Limit.
Fig. 1 is the front view of the rapid heat radiation device of the outdoor electronic showcase or bulletin board of the embodiment of the present invention, Fig. 2 Be the rapid heat radiation device sectional view of the outdoor electronic showcase or bulletin board of the embodiment of the present invention, Fig. 3 be that the present invention is real Execute the rapid heat radiation device rearview of the outdoor electronic showcase or bulletin board of example, below in conjunction with Fig. 1, Fig. 2 and Fig. 3 couple The rapid heat radiation device of the outdoor electronic showcase or bulletin board of the embodiment of the present invention is described in detail.
In conjunction with Fig. 1, Fig. 2 and Fig. 3, in the present embodiment, the quick heat radiating dress of described outdoor electronic showcase or bulletin board Put 1(hereinafter referred to as heat abstractor 1) including: the first relative panel 101 and the second panel 102, phase To the 3rd panel 103 and fourth face plate 104, described 3rd panel 103 and fourth face plate 104 are with described First panel 101 and the second panel 102 are adjacent;It is located at described first panel 101, near described fourth face The air outlet 105 of plate 104 and be located at described first panel 101, return air near described 3rd panel 103 Mouth 106;It is located at described second panel 102, the air inlet 107 of close described fourth face plate 104 and is located at The air outlet 108 of described second panel 102;It is located between described first panel 101 and the second panel 102 Heat exchanger components 109.
In the present embodiment, described first panel 101 is the front panel of heat abstractor 1, described second panel 102 is the rear board of heat abstractor 1, and described 3rd panel 103 is the top panel of heat abstractor 1, described Fourth face plate 104 is the lower panel of heat abstractor 1.Described air outlet 105 is provided with blower fan (in figure not Illustrate), described air outlet 105 can be air grid.Described return air inlet 106 is provided with blower fan 106a, described Return air inlet 106 can be air holes.Described air inlet 107 is provided with blower fan 107a, described air inlet 107 It can be air holes.Described air outlet 108 is provided with blower fan (not shown).It should be noted that this In embodiment, the blower fan arranged at described air outlet 105, the blower fan arranged at return air inlet 106, air intake The blower fan arranged at the blower fan of setting, air outlet 108 at mouth 107 not only represents a blower fan, and Being to represent one group of blower fan, the number of blower fan is specially how many, depending on actual demand.
In the present embodiment, it is arranged on the blower fan of air outlet 105 for delivering to be cooled by the cold wind that it is neighbouring Electronic equipment.Cold wind, via becoming hot blast after electronic equipment, is arranged on the blower fan 106a of return air inlet 106 Hot blast can be delivered to the inside of heat abstractor 1, and via being positioned at the first panel 101 He of heat abstractor 1 Heat exchanger components 109 between second panel 102 cools down.Heat exchanger components 109 is to return air inlet 106 times After the hot blast cooling sent, himself can generate heat, in order to described heat exchanger components 109 is cooled down, arrange Extraneous cold wind can be pumped at the blower fan 107a of air inlet 107 inside of heat abstractor 1, pass through air intake The cold wind that mouth 107 is sent into carry out cooling heat transferring parts 109, and are changed complete for cooling by the blower fan of air outlet 108 The cold wind of heating after thermal part 109 is extracted out.
In the present embodiment, it is arranged on the air outlet 105 of described first panel 101 and is arranged on the second panel The air outlet 108 of 102 is symmetrical arranged, and described heat exchanger components 109 is vacuum superconductive radiator.
In the present embodiment, electronic equipment not only can be dispelled the heat by described heat abstractor 1, and it also may be used Think that the electronic equipment being in cold environment provides the temperature higher than external environment, as is well known, the north Winter usually can reach subzero ten degrees Celsius to 20 degrees Celsius, for the electronics device in electronic equipment For part, its normal operating temperature is usually more than 20 degrees Celsius, and therefore, extraneous temperature is too low, Also result in electronic equipment cannot normally work.Can normally work in order to ensure electronic equipment, this enforcement In example, between the first panel 101 and second panel 102 of described heat abstractor 1, it is provided with heater 110, In the present embodiment, described heater 110 can be heat pump, for the blower fan 107a to air inlet 107 The cold air heating sent into, the cold wind after heating becomes hot blast and then heat exchanging parts 109 heat, hot blast pair After heat exchanger components 109 heats, the temperature of self can reduce, finally will by the blower fan of air outlet 108 The hot blast turned cold after having heated heat exchanger components 109 is extracted out.And the blower fan 105a of air outlet 105 can be attached by it Near hot blast (is now heated due to heat exchanger components 109, therefore near it, temperature of air can be higher than environment Temperature, the wind that blower fan 105a is formed after rotating is referred to as hot blast) deliver to electronic equipment to be heated up, hot blast warp By becoming cold wind after electronic equipment, described cold wind can be delivered to by the blower fan 106a being arranged on return air inlet 106 Heat abstractor 1, and via changing between the first panel 101 and second panel 102 of heat abstractor 1 Thermal part 109 heats.Cold wind after heating may proceed to deliver to electronics by the blower fan of air outlet 105 Equipment, in general, heat abstractor 1 can be with device for monitoring temperature 112, when it monitors electronic equipment After residing ambient temperature reaches to be suitable for the temperature that in electronic equipment, electronic device normally works, can control to add Hot device 110 stops heating, and hereafter, the heat distributed during electronic device works can maintain about Ambient temperature be in relatively stable state, so that electronic equipment can work normally.
From the foregoing, the heat abstractor 1 in the present embodiment, both electronic equipment can be dispelled the heat and also might be used To add the ambient temperature residing for thermionic device, therefore, the heat abstractor 1 in the present embodiment can give electricity Subset provides suitable temperature, so that described electronic equipment can work normally.
Refer to the sectional view that Fig. 4, Fig. 4 are the outdoor electronic showcase or bulletin board of the embodiment of the present invention, such as Fig. 4 institute Showing, the outdoor electronic showcase or bulletin board 2 of the embodiment of the present invention includes: casing 203, touch screen 205, display screen 206, above-mentioned heat abstractor 1, in conjunction with Fig. 1 to Fig. 4:
Described touch screen 205 is located at the front panel 201 of described casing 203, and described display screen 206 is located at institute In stating casing 203 and and described touch screen 205 between there is interval;Described heat abstractor 1 is located at described The rear board 202 of the interior and close described casing 203 of casing 203, described air outlet 105 is near described casing The bottom of 203;The first air channel, described first air channel is formed between described air outlet 105 and return air inlet 106 Interval between described display screen 206 and touch screen 205 and described heat exchanger components 109;Described air intake Forming the second air channel between mouth 107 and air outlet 108, described second air channel is through described heat exchanger components 109.
Those skilled in the art know, and for electronics showcase or bulletin board, the source of heat release of its maximum is display screen 206, in order to the cold wind utilizing heat abstractor 1 to send to show electronics showcase or bulletin board casing 203 inside Display screen 206 is dispelled the heat fully, and in the present embodiment, touch screen 205 and display screen 206 are the tightest Thickly fitting together, but have certain interval between, specifically, display screen 206 can With near touch screen 205, or display screen 206 and touch screen 205 parallel to each other, do so so that The cold wind that heat abstractor 1 is sent can pass through between touch screen 205 and display screen 206, and then can be right Touch screen 205 and display screen 206 dispel the heat fully.
In the present embodiment, the air outlet 105 of heat abstractor 1 is near the end of electronics showcase or bulletin board 2 casing 203 Portion, cold wind is fed directly between touch screen 205 and display screen 206 by the blower fan being arranged at air outlet 105 Passage, touch screen 205 and display screen 206 are sufficiently dispelled the heat, owing to cold wind has taken away touch Screen 205 and the heat of display screen 206, cold wind becomes hot blast, is now arranged on returning of heat abstractor 1 Described hot blast can be extracted out and deliver to the heat exchanger components within heat abstractor 1 by the blower fan 106a in air port 106 109, by heat exchanger components 109, the hot blast of return air inlet 106 loopback is cooled down, hot blast is via heat exchange Becoming cold wind after parts 109 cooling, the blower fan continuing through air outlet 105 send cold wind to touch screen 205 With display screen 206, cold wind interval between touch screen 205 and display screen 206 again is to return air inlet 106. The cold wind sent from air outlet 105, interval between described touch screen 205 and display screen 206, Return air inlet 106 and heat exchanger components 109 return described air outlet 105, define and are positioned at casing 203 inside The first air channel, define the circulation being positioned within casing 203 in other words, owing to interior circulation exists all the time The inside of casing 203 is carried out, in other words via the wind in the first air channel all the time in the internal flow of casing 203. Owing in the present embodiment, casing 203 is containment housing, therefore it is possible to prevent the dust of outside and steam to enter case The inside of body 203, and then avoid owing to dust and steam combine generation acidic materials, corrode casing Electronic equipment within 203, causes the generation of the phenomenon of the lost of life of electronic equipment.
And for the cooling of heat exchanger components 109, it is referred to above-mentioned to heat exchanger components 109 in heat abstractor 1 Cooling carry out, the most reinflated concrete detailed description, for via air inlet 107, heat exchanger components 109 and The second air channel that air outlet 108 is formed, owing to it carrys out heat exchanging parts 109 by the cold wind of external environment condition Cool down, and will cool down heat exchanger components 109 and the cold wind of heating is expelled to external environment condition, therefore also referred to as It is outer loop.In the present embodiment, by inner loop, the inside of electronics showcase or bulletin board casing 203 is entered Row heat radiation, is cooled down the heat exchanger components 109 in heat abstractor 1 by outer loop, namely passes through The cooperation of inner-outer circulation, fully dispels the heat with the inside to the casing 203 of electronics showcase or bulletin board 2.
In the present embodiment, described electronics showcase or bulletin board 2 also includes being located at its interior and described touch of casing 203 The circuit board 207 that screen 205 and display screen 206 connect, in order to carry out display screen 206 and circuit board 207 Dispelling the heat fully, described circuit board 207 is parallel and close to described display screen 206, say, that described aobvious Air channel is there is also, so main for as electronics showcase or bulletin board 2 between display screen 206 and circuit board 207 For source of heat release display screen 206, be equivalent to increase the area of dissipation of display screen 206 so that its front All there is cold wind process with the back side, and then it is dispelled the heat, therefore, substantially increase display screen 206 Heat radiation.
In the present embodiment, the air quantity of the cold wind that the air outlet 105 of heat abstractor 1 is sent is usually fixed, So that the cold wind sent from the air outlet 105 of heat abstractor 1 can the most all blow to electronics and read The touch screen 205 within casing 203 of board on which newspapers are posted for the public 2, display screen 206, circuit board 207, can be described aobvious Between display screen 206 and heat abstractor 1, it is provided for changing the air-supply of the air outlet 105 of heat abstractor 1 The spoiler 111 of wind direction.Specifically, spoiler 111 described in the present embodiment can be arranged on heat abstractor On first panel 101 of 1.
Further, it is also possible to by the bottom of the front panel 201 of the casing 203 of described electronics showcase or bulletin board 2 It is designed as cambered surface, to change the air-supply wind direction of the air outlet 105 of heat abstractor 1, Ye Jixian further The cold wind forcing air outlet 105 to send by described spoiler 111 walks downward, then along casing 203 Vertically up blow after the radian corner of front panel 201, i.e. make cold wind can vertically face toward touch screen 205, Display screen 206 and circuit board 207 blow.And, by between display screen 206 and heat abstractor 1 Increase spoiler 111 and the bottom of the front panel 201 of the casing 203 of described electronics showcase or bulletin board 2 is set It is calculated as cambered surface and too increases wind speed, be sufficiently used the air quantity that air outlet 105 is sent, and then the biggest Improve in degree the heat radiation within the casing 203 of electronics showcase or bulletin board 2.Additionally, front panel 201 Bottom and top are both designed as cambered surface, also play the effect making electronics showcase or bulletin board more attractive in appearance.
In the present embodiment, described in change and in bulk put 1 casing 203 that will not abut directly on electronics showcase or bulletin board 2 Rear board 202 install, but by dividing plate 209 by after described heat abstractor 1 and casing 203 Plate 202 is attached, and do so is primarily due to the rear board 202 of the casing 203 at electronics showcase or bulletin board 2 On would generally be provided with multiple hole, discharge for hot blast that air outlet 108 is sent, at heat abstractor 1 And arranging dividing plate 209 between the rear board 202 of casing, when being on the one hand possible to prevent to rain, rainwater is via rear Hole on panel 202 flows into the inside of heat abstractor 1, and the performance of exchange heat abstractor 1 has affected, On the other hand, it is also possible to prevent owing to the hot air reflux of air outlet 108 discharge is to air inlet 107 so that enter The air intake in air port 107 is no longer cold wind, it is impossible to heat exchanging parts 109 cool down well, Jin Erwu Method is to the touch screen 205 within the casing 203 of electronics showcase or bulletin board 2, display screen 206, circuit board 207 etc. Well dispel the heat.In the present embodiment, it is preferable that described second panel 202 is located at by described dividing plate 209 2/3rds at.
In the present embodiment, for guaranteeing the air supply velocity of the air outlet 105 of heat abstractor 1 and the constant of air quantity, Air outlet 105 should be made to treat thermal component near the inside of the casing 203 of electronics showcase or bulletin board 2 as far as possible, Especially display screen 206, and then make described first air channel less than or equal to 2 meters.
Additionally, in the present embodiment, in order to improve the inside of the casing 203 to electronics showcase or bulletin board 2 as far as possible Radiating effect, it is also possible to forbid laying any cable and crane span structure in the bottom of casing 203, with guarantee heat radiation The resistance that any obstruction air flows is not had between air outlet 105 and the return air inlet 106 of device 1 so that the two Between path keep unimpeded, also ensure that the safety within casing 203 simultaneously.
In the present embodiment, for being arranged on the electronics showcase or bulletin board of outdoor, winter conditions temperature is too low also Electronics showcase or bulletin board 2 can be caused normally not work, therefore can also utilize heat abstractor 1 that electronics is read Board on which newspapers are posted for the public 2 heats, and is i.e. carried out the internal medium of the casing 203 to electronics showcase or bulletin board 2 by inner loop Heat, by outer loop, the heat exchanger components 109 of heat abstractor 1 is heated, about dissipating The thermal 1 process being internally heated to the casing 203 of electronics showcase or bulletin board 2, may refer to above-mentioned Heat abstractor 1 process that the ambient temperature of electronic equipment is heated, the most reinflated concrete in detail State.Therefore, the outdoor electronic showcase or bulletin board 2 in the present embodiment is made by the heat abstractor 1 being located therein The inside of electronics showcase or bulletin board casing is in stationary temperature all the time, it is ensured that outdoor electronic showcase or bulletin board 2 is permissible Normal work.
In sum, technical scheme at least has the advantages that
Heat abstractor only realizes the heat radiation to electronic equipment and heating by heat exchanger components and heater, by Produce hot blast or cold wind in the mode not using compressor, on the one hand reduce the power consumption of heat abstractor And cost, on the other hand owing to not using compressor, therefore use heat abstractor to carry out the electronic equipment dispelled the heat Do not have dew condensation phenomenon.
By being provided with heat abstractor in electronics showcase or bulletin board casing out of doors, and make touch screen and display screen it Between have interval improve the heat radiation to touch screen Yu display screen.
Further, by the circuit board that is connected with touch screen and display screen parallel and close to described display screen, Increase the area of dissipation of display screen so that its front and back all has cold wind process, and then greatly carries The high heat radiation to display screen.
By described first air channel, is dispelled the heat in the inside of electronics showcase or bulletin board casing, due to via the first wind The wind in road flows at box house all the time, and described casing is containment housing, therefore is possible to prevent the ash of outside Dirt and steam enter box house, it is therefore prevented that the generation of adverse consequences.
The air outlet of heat abstractor is changed by arranging spoiler between described display screen and heat abstractor Air-supply wind direction so that cold wind can the most vertically blow to touch screen, display screen and circuit board, therefore Accelerate the heat radiation to electronics showcase or bulletin board box house.
Further, it is cambered surface by the bottom design of the front panel of described electronics showcase or bulletin board casing, changes The air-supply wind direction of the air outlet of heat abstractor, adds wind speed, is sufficiently used the wind that air outlet is sent Amount, and then improve the heat radiation to electronics showcase or bulletin board box house to a great extent.
By dividing plate, the rear board of described heat abstractor with electronics showcase or bulletin board casing is attached, on the one hand Prevent rainwater to flow into heat sink interior via the hole on rear board, reduce the shadow to heat abstractor performance Ring, on the other hand, it is to avoid the generation of the hot air reflux that air outlet is discharged to the phenomenon of air inlet, thus right The cooling of heat exchanger components is thorough, and then makes the heat radiation of electronics showcase or bulletin board box house more abundant.
Described first air channel is less than or equal to 2 meters, it is ensured that the air supply velocity of the air outlet of heat abstractor and Air quantity constant, improves the heat radiation to electronics showcase or bulletin board box house.
Although the present invention is open as above with preferred embodiment, but it is not for limiting the present invention, appoints What those skilled in the art without departing from the spirit and scope of the present invention, may be by the disclosure above Technical solution of the present invention is made possible variation and amendment by method and technology contents, therefore, every does not takes off From the content of technical solution of the present invention, it is any that above example is made by the technical spirit of the foundation present invention Simple modification, equivalent variations and modification, belong to the protection domain of technical solution of the present invention.

Claims (13)

1. an outdoor electronic showcase or bulletin board, including: casing, touch screen, display screen, described touch screen is located at institute State the front panel of casing, it is characterised in that
Described display screen be located in described casing and and described touch screen between there is interval;
Described outdoor electronic showcase or bulletin board also includes: rapid heat radiation device, and described rapid heat radiation device is located at institute State the rear board of the interior and close described casing of casing,
Described rapid heat radiation device includes: the first relative panel and the second panel, the 3rd relative panel With fourth face plate, described 3rd panel and fourth face plate are adjacent with described first panel and the second panel;If In described first panel, near the air outlet of described fourth face plate be located at described first panel, near institute State the return air inlet of the 3rd panel;It is located at described second panel, the air inlet of close described fourth face plate and sets Air outlet in described second panel;It is located at the heat exchanger components between described first panel and the second panel;
Wherein,
Described air outlet is near the bottom of described casing;
Forming the first air channel between described air outlet and return air inlet, described first air channel is through described display screen And the interval between touch screen and described heat exchanger components;
Forming the second air channel between described air inlet and air outlet, described second air channel is through described heat exchanging part Part.
2. outdoor electronic showcase or bulletin board as claimed in claim 1, it is characterised in that also include: be respectively arranged on institute State the blower fan of air outlet, return air inlet, air inlet and air outlet.
3. outdoor electronic showcase or bulletin board as claimed in claim 1, it is characterised in that described air outlet and air outlet It is symmetrical arranged.
4. outdoor electronic showcase or bulletin board as claimed in claim 1, it is characterised in that also include: be located at described the The heater heated between one panel and the second panel, to the air intake of described air inlet.
5. outdoor electronic showcase or bulletin board as claimed in claim 4, it is characterised in that described heater is heat pump.
6. outdoor electronic showcase or bulletin board as claimed in claim 1, it is characterised in that described air outlet and air outlet It is air holes for air grid, described return air inlet and air inlet.
7. outdoor electronic showcase or bulletin board as claimed in claim 1, it is characterised in that described casing is containment housing.
8. outdoor electronic showcase or bulletin board as claimed in claim 1, it is characterised in that also include: be located at described aobvious Between display screen and rapid heat radiation device, change described air outlet air-supply wind direction spoiler.
9. outdoor electronic showcase or bulletin board as claimed in claim 1, it is characterised in that also include: be located at described case The circuit board that internal and described touch screen and display screen are connected, described circuit board is put down with described display screen OK, and described circuit board is near described display screen.
10. outdoor electronic showcase or bulletin board as claimed in claim 1, it is characterised in that the front panel of described casing Bottom is cambered surface.
11. outdoor electronic showcase or bulletin board as claimed in claim 1, it is characterised in that also include: connect described soon The dividing plate of the rear board of speed heat abstractor and casing.
12. outdoor electronic showcase or bulletin board as claimed in claim 11, it is characterised in that described dividing plate is located at described At 2/3rds of two panels.
13. outdoor electronic showcase or bulletin board as claimed in claim 1, it is characterised in that described first air channel less than or Equal to 2 meters.
CN201210270530.9A 2012-07-31 2012-07-31 Outdoor electronic newspaper stand and fast cooling device thereof Active CN103582385B (en)

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Publication number Priority date Publication date Assignee Title
CN103985329A (en) * 2014-05-15 2014-08-13 无锡同春新能源科技有限公司 Newspaper reading fence with air purifying function
CN104684363B (en) 2015-02-13 2017-07-21 华为技术有限公司 A kind of outdoor display screen and communication equipment

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CN201044454Y (en) * 2007-04-04 2008-04-02 北京万视通科技有限公司 Multimedia electric paper board device
CN101592807A (en) * 2008-05-27 2009-12-02 深圳市新超亮特种显示设备有限公司 A kind of LCDs with heat abstractor
CN101965120A (en) * 2010-09-27 2011-02-02 同辉佳视(北京)信息技术有限公司 Heat dissipation equipment and outdoor display cabinet of outdoor display

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Publication number Priority date Publication date Assignee Title
CN201044454Y (en) * 2007-04-04 2008-04-02 北京万视通科技有限公司 Multimedia electric paper board device
CN101592807A (en) * 2008-05-27 2009-12-02 深圳市新超亮特种显示设备有限公司 A kind of LCDs with heat abstractor
CN101965120A (en) * 2010-09-27 2011-02-02 同辉佳视(北京)信息技术有限公司 Heat dissipation equipment and outdoor display cabinet of outdoor display

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