CN104021730A - Digital display device - Google Patents
Digital display device Download PDFInfo
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- CN104021730A CN104021730A CN201310065529.7A CN201310065529A CN104021730A CN 104021730 A CN104021730 A CN 104021730A CN 201310065529 A CN201310065529 A CN 201310065529A CN 104021730 A CN104021730 A CN 104021730A
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- dividing plate
- cabinet
- warehouse
- display screen
- display unit
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Abstract
The invention discloses a digital display device which comprises a cabinet, a display screen component arranged in the cabinet, a transparent screen arranged corresponding to the display screen component and a refrigeration system. The refrigeration system comprises an evaporator, an evaporation fan, a condenser, a condensation fan and a refrigeration compressor. The cabinet comprises a first bin, a second bin and a separation plate separating the first bin from the second bon. The refrigeration system is located in the first bin, and the display screen component is located in the second bin. The refrigeration system comprises a cabinet inner side air inlet and a cabinet inner side air outlet. A separation plate air outlet corresponding to the cabinet inner side air inlet and a separation plate air inlet corresponding to the cabinet inner side air outlet are formed in the separation plate. Cold air generated by the refrigeration system is blown out of the cabinet inner side air outlet, and flows into the second bin through the separation plate air inlet, the cold air passes through the display screen component and the transparent screen and then passes through the separation plate air outlet, the cold air is sucked into the first bin from the cabinet inner side air inlet by the evaporation fan, and then airflow circulation is formed.
Description
Technical field
The present invention relates to numeric display unit, relate in particular to a kind of refrigeration system that is applied to numeric display unit.
Background technology
Along with the development of electronics, multimedia technology, and the improving constantly of national information, new industrialization construction and management application level, various numeric display units are applied to the various occasions of indoor and outdoor, the various electron devices of numeric display unit inside can give out heat, external environment condition also can have temperature impact (intense radiation of the sun etc.) to it simultaneously, if heat can not be got rid of as early as possible, will make box house temperature raise, and then affect mission life and the job stability of electron device.
At present, the cooling method of numeric display unit mainly contains fan, heat exchanger and refrigeration plant etc., but temperature control demand while using fan and heat exchanger can not meet numeric display unit far away to work out of doors, fan tends to the air that contains impurity and moisture in external environment condition to be brought into device interior, causes the dirty and moist of device interior; Heat exchanger is owing to being by the hot-air of the cold air in external environment and numeric display unit box house is carried out to heat interchange, inside and outside only not high in environment temperature, casing, exist the larger temperature difference, good heat transfer effect could be obtained, and the user demand of equipment cooling cannot be met during the broiling summer at all.
In prior art, the temperature control scheme that numeric display unit uses refrigeration plant also to have underlying aircondition upwards to blow a cold wind over, cold wind first flows through before display screen component, then flowing out below from display screen component.It is not reasonable especially that the internal gas flow of this kind of temperature control method distributes, because the front portion of display screen component is transparent screen, cold wind is first from before display screen component, flow through after transparent screen, and easily the heat fog that condenses, affects display effect; Simultaneously, because display screen component temperature is gathered the backlight part that the highest region is generally display screen component rear portion, cold wind progressively raises in the temperature behind display screen component front portion of flowing through, then cooling-down effect is very micro-when the backlight at cooling display screen component rear portion.Moreover, underlying aircondition, because inlet and outlet is positioned at bottom, air outlet temperature is higher, and the hot blast blowing out can directly blow to the pedestrian who stops and watch, and affects human comfort.
Summary of the invention
The object of the present invention is to provide a kind of numeric display unit, it is poor that it can solve numeric display unit radiating effect of the prior art, cannot meet cooling demand, and affect the problem of human comfort.
For realizing above goal of the invention, the present invention adopts following technical scheme: a kind of numeric display unit, comprise cabinet, be installed on the display screen component in cabinet, corresponding described display screen component and the transparent screen that arranges, refrigeration system, described refrigeration system comprises evaporator, evaporation fan, condenser, condensation fan and refrigeration compressor, described cabinet comprises the first warehouse, the second warehouse and by the dividing plate of described the first warehouse and the second warehouse isolation, described refrigeration system is positioned at the first warehouse, described display screen component is positioned at the second warehouse, described refrigeration system comprises inside cabinet air outlet inside air inlet and cabinet, described dividing plate be provided with the dividing plate gas outlet corresponding with air inlet inside described cabinet and with described cabinet inside dividing plate air intake opening corresponding to air outlet, cold air air outlet inside described cabinet that described refrigeration system produces blows out, flow into the second warehouse inside by described dividing plate air intake opening, after display screen component and transparent screen, pass through dividing plate gas outlet, be sucked into described the first warehouse inside by described evaporation fan air inlet inside cabinet, then form airflow circulating.
As a further improvement on the present invention, be provided with the first air channel and the second air channel that are interconnected in described the second warehouse, described the first air channel communicates with described dividing plate air intake opening, and described the second air channel communicates with described dividing plate gas outlet.
As a further improvement on the present invention, described numeric display unit comprise two groups described in display screen component and two described transparent screens, described dividing plate air intake opening is arranged at described dividing plate central part, and described dividing plate gas outlet comprises two, is arranged at respectively the both sides of described dividing plate air intake opening.
As a further improvement on the present invention, described evaporation fan is axial flow blower or the vertically arranged centrifugal blower that level is installed.
As a further improvement on the present invention, be provided with the accessory fan device that promotes airflow circulating between described the first air channel and described the second air channel, described accessory fan device is axial flow blower or centrifugal blower.
As a further improvement on the present invention, described accessory fan device is arranged at the side away from described dividing plate in described the second warehouse.
As a further improvement on the present invention, between described refrigeration system bottom and described dividing plate, be provided with hermetically-sealed construction.
As a further improvement on the present invention, described the first warehouse and described the second warehouse are along setting up and down.
As a further improvement on the present invention, described numeric display unit also comprises temperature sensor and temperature controller, described temperature sensor is arranged at air inlet position inside described cabinet, described temperature controller and described temperature sensor cooperating, thus start or stop described refrigeration system work.
As a further improvement on the present invention, described the second air channel is formed between described two groups of display screen components or between described display screen component and described cabinet inwall, and described the first air channel is formed at respectively between described display screen component and corresponding transparent screen.
The refrigeration system of numeric display unit of the present invention is independently arranged on the top of display screen component, and the cold air of generation is first through the front of display screen component of flowing through again, the rear of display screen component, thereby can improve the impact on people and improve radiating effect.
Brief description of the drawings
Fig. 1 is the cut-open view of the first embodiment of numeric display unit of the present invention.
Fig. 2 is the cut-open view of the second embodiment of numeric display unit of the present invention.
Fig. 3 is the cut-open view of the 3rd embodiment of numeric display unit of the present invention.
Fig. 4 is the cut-open view of the 4th embodiment of numeric display unit of the present invention.
Embodiment
As shown in Figure 1, the numeric display unit 1 of first embodiment of the invention, for one side screen numeric display unit, comprise cabinet 10, be arranged on a display screen component 11 in cabinet 10, to should display screen component 11 and be arranged on transparent screen 12 and the refrigeration system 13 on cabinet 10 1 sides.In several preferred embodiments of the present invention, described cabinet 10 is rectangular-shaped, but cabinet also can be designed to other shapes according to actual needs.Between described display screen component 11 in the first embodiment and transparent screen 12, be formed with air channel 14.Described air channel 14 comprise be formed at the first air channel 141 between described display screen component 11 and described transparent screen 12 and be formed at described display screen component 11 and described cabinet 10 inwalls between the second air channel 142.Described cabinet 10 comprises up and down the dividing plate 103 that separates the first warehouse 101 of arranging, the second warehouse 102 and described the first warehouse 101 and the second warehouse 102 are separated.Described refrigeration system 13 is positioned at the first warehouse 101, and described display screen component 11 is positioned at the second warehouse 102.
Described refrigeration system 13 comprises evaporator 131, evaporation fan 132, condenser 133, condensation fan 134 and refrigeration compressor 135.Described refrigeration system 13 also comprises outside air outlet 137 inside air inlet 136 inside cabinet, cabinet, cabinet air outlet 139 outside air inlet 138 and cabinet.Described dividing plate 103 be provided with the dividing plate gas outlet 104 corresponding with air inlet inside cabinet 136 and with cabinet inside dividing plate air intake opening 105 corresponding to air outlet 137.Described the first air channel 141 communicates with described dividing plate gas outlet 104, and described the second air channel 142 communicates with described dividing plate air intake opening 105.Between the bottom of described refrigeration system 13 and dividing plate 103, be provided with hermetically-sealed construction, so can prevent that air-flow from passing through dividing plate 103 and spreading, thereby effectively collect air-flow.In the present invention, described hermetically-sealed construction is sealing strip 15.Described the first warehouse 101 comprises rear wall 106 and antetheca 107, and on this rear wall 106 and antetheca 107, outside the cabinet of corresponding refrigeration system 13, outside air inlet 138 and cabinet, air outlet 139 positions are provided with ventilating opening 108.
Described the second warehouse 102 bottoms can also arrange the accessory fan device 16 that promotes airflow circulating, and in the present invention, described accessory fan device 16 is arranged between the first air channel 141 and the second air channel 142.The cold air that described refrigeration system 13 produces air outlet 137 inside cabinet blows out, flow into the second warehouse 102 inside by the dividing plate air intake opening 105 of dividing plate 103, be display screen component 11 rear portions through the second air channel 142, cooling display screen component 11 from top to bottom, cold airflow progressively heats up after absorbing display screen component 11 heats, be collected to the second warehouse 102 bottoms simultaneously, under the promotion of bottom accessory fan device 16, flow from bottom to top from the first air channel 141 again, through the dividing plate gas outlet 104 of dividing plate 103, finally sucked air inlet 136 inside cabinet by evaporation fan 132, form airflow circulating and reach cooling object.Wherein, described evaporation fan 132 is vertically arranged centrifugal blower, i.e. flash-pot 131 direction air intakes and from its sidepiece air-out.16, the accessory fan device of described the second warehouse 102 bottoms is vertically arranged axial flow blower.
In the present invention, can also be according to actual needs, air inlet 136 position set temperature sensor (not shown) and the temperature controller (not shown) that is connected with described temperature sensor inside the cabinet of described refrigeration system 13.In use, first preset the unlatching of refrigeration system 13 or stop temperature value, by detecting the inside and outside temperature of cabinet 10, and judge whether to start or stop the work of described refrigeration system 13 according to temperature in cabinet or cabinet internal and external temperature difference, that is judge whether to start or stop the running of condensation fan and/or refrigeration compressor.Described transparent screen 12 is arranged on the position corresponding with display screen component 11 in the second warehouse 102.After accessory fan device 16 energisings of the evaporation fan 132 in described refrigeration system 13 and the second warehouse 102 inside, starting, is normally open.
As shown in Figure 2, the numeric display unit 2 of second embodiment of the invention, it is substantially identical with the numeric display unit 1 in the first embodiment, and the structure of same section is not repeated in this description at this.The Main Differences of the second embodiment and the first embodiment is not to be provided with accessory fan device in the numeric display unit 2 of the second embodiment, therefore, described cold wind air outlet 237 inside refrigeration system 23 cabinets blows out, flow into the second warehouse 202 inside by the dividing plate air intake opening 205 of dividing plate 203, through i.e. the second air channel 242, display screen component 21 rear portions, cooling display screen component 21 from top to bottom, cold airflow progressively heats up after absorbing display screen component 21 rear portion heats, and be collected to the second warehouse 202 bottoms, anterior from display screen component 21 is again to flow from bottom to top in the first air channel 241 forming between transparent screen, the final dividing plate gas outlet 204 through dividing plate 203, sucked air inlet 236 inside the cabinet of refrigeration system 23 by evaporation fan 232, form airflow circulating and reach cooling object.
As shown in Figure 3, the numeric display unit 3 of third embodiment of the invention, it is substantially identical with the numeric display unit 1 in the first embodiment, and the structure of same section is not repeated in this description at this.The Main Differences of the 3rd embodiment and the first embodiment is that the numeric display unit 3 of the 3rd embodiment comprises two groups of display screen components 31, and the quantity of corresponding transparent screen 32 is also two.Between each display screen component 31 and corresponding transparent screen 32, all form the air channel 34 being formed by the first air channel 341 and the second air channel 342.Described the second air channel 342 is formed between described two groups of display screen components 31, and described the first air channel 341 is formed at respectively between described display screen component 31 and corresponding transparent screen 32.Inside described cabinet, the quantity of air inlet 336 is two.Described dividing plate air intake opening 305 is arranged at described dividing plate central part, and described dividing plate gas outlet 304 comprises two, is arranged at respectively the both sides of described dividing plate air intake opening 305.In the 3rd embodiment, described refrigeration system 33 comprises a pair of evaporator 331 and is arranged on an evaporation fan 332 between a pair of evaporator 331.The axial flow blower that described evaporation fan 332 is installed for level, top air intake bottom air-out.Described the second warehouse 302 bottoms are provided with accessory fan device 36, the axial flow blower that this accessory fan device 36 is installed for level.Described cold wind air outlet 337 inside refrigeration system 33 cabinets blows out, flow into the second warehouse 302 inside by the dividing plate air intake opening 305 of dividing plate 303, through i.e. the second air channel 342 between two display screen component 31 rear portions, cooling display screen component 31 from top to bottom, cold airflow progressively heats up after absorbing two display screen component 31 rear portion heats, and be collected to the second warehouse 302 bottoms, under the promotion of bottom accessory fan device 36, be divided into two strands of air-flows, flow from bottom to top in the first air channel 341 through each self-corresponding display screen component 31 front portions and transparent screen 32, final respectively through corresponding dividing plate gas outlet 304, sucked air inlet 336 inside the cabinet of refrigeration system 13 by evaporation fan 332, form airflow circulating and reach cooling object.
As shown in Figure 4, the numeric display unit 4 of fourth embodiment of the invention, it is substantially identical with the numeric display unit 3 in the 3rd embodiment, and the structure of same section is not repeated in this description at this.The Main Differences of the 4th embodiment and the 3rd embodiment is that the numeric display unit 4 of the 4th embodiment is not provided with accessory fan device in the bottom of the second warehouse 402, therefore, described cold wind air outlet 437 inside refrigeration system 43 cabinets blows out, flow into the second warehouse 402 inside by dividing plate 403 dividing plate air intake openings 405, between two display screen component 41 rear portions, cooling display screen component 41 from top to bottom, cold airflow progressively heats up after absorbing two display screen component 41 rear portion heats, and be collected to the second warehouse 402 bottoms, be divided into two strands of air-flows, flow from bottom to top in air channel 44 through each self-corresponding display screen component 41 front portions and transparent screen 42, final respectively through corresponding dividing plate gas outlet 404, enter air inlet 436 inside refrigeration system 43 cabinets, form airflow circulating and reach cooling object.
In sum, these are only preferred embodiment of the present invention, should not limit the scope of the invention with this, i.e. every simple equivalence of doing according to the claims in the present invention book and description of the invention content changes and modifies, and all should still remain within the scope of the patent.
Claims (10)
1. a numeric display unit, comprise cabinet, be installed on the display screen component in cabinet, corresponding described display screen component and the transparent screen that arranges, refrigeration system, described refrigeration system comprises evaporator, evaporation fan, condenser, condensation fan and refrigeration compressor, it is characterized in that: described cabinet comprises the first warehouse, the second warehouse and by the dividing plate of described the first warehouse and the second warehouse isolation, described refrigeration system is positioned at the first warehouse, described display screen component is positioned at the second warehouse, described refrigeration system comprises inside cabinet air outlet inside air inlet and cabinet, described dividing plate be provided with the dividing plate gas outlet corresponding with air inlet inside described cabinet and with described cabinet inside dividing plate air intake opening corresponding to air outlet, cold air air outlet inside described cabinet that described refrigeration system produces blows out, flow into the second warehouse inside by described dividing plate air intake opening, after display screen component and transparent screen, pass through dividing plate gas outlet, be sucked into described the first warehouse inside by described evaporation fan air inlet inside cabinet, then form airflow circulating.
2. numeric display unit as claimed in claim 1, it is characterized in that: in described the second warehouse, be provided with the first air channel and the second air channel that are interconnected, described the first air channel communicates with described dividing plate air intake opening, and described the second air channel communicates with described dividing plate gas outlet.
3. numeric display unit as claimed in claim 2, it is characterized in that: described numeric display unit comprise two groups described in display screen component and two described transparent screens, described dividing plate air intake opening is arranged at described dividing plate central part, described dividing plate gas outlet comprises two, is arranged at respectively the both sides of described dividing plate air intake opening.
4. numeric display unit as claimed in claim 2, is characterized in that: described evaporation fan is axial flow blower or the vertically arranged centrifugal blower that level is installed.
5. numeric display unit as claimed in claim 2, is characterized in that: between described the first air channel and described the second air channel, be provided with the accessory fan device that promotes airflow circulating, described accessory fan device is axial flow blower or centrifugal blower.
6. numeric display unit as claimed in claim 5, is characterized in that: described accessory fan device is arranged at the side away from described dividing plate in described the second warehouse.
7. numeric display unit as claimed in claim 1, is characterized in that: between described refrigeration system bottom and described dividing plate, be provided with hermetically-sealed construction.
8. numeric display unit as claimed in claim 1, is characterized in that: described the first warehouse and described the second warehouse are along setting up and down.
9. numeric display unit as claimed in claim 1, it is characterized in that: also comprise temperature sensor and temperature controller, described temperature sensor is arranged at air inlet position inside described cabinet, described temperature controller and described temperature sensor cooperating, thus start or stop described refrigeration system work.
10. numeric display unit as claimed in claim 2, it is characterized in that: described the second air channel is formed between described two groups of display screen components or between described display screen component and described cabinet inwall, described the first air channel is formed at respectively between described display screen component and corresponding transparent screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310065529.7A CN104021730A (en) | 2013-03-01 | 2013-03-01 | Digital display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310065529.7A CN104021730A (en) | 2013-03-01 | 2013-03-01 | Digital display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104021730A true CN104021730A (en) | 2014-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310065529.7A Pending CN104021730A (en) | 2013-03-01 | 2013-03-01 | Digital display device |
Country Status (1)
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| CN (1) | CN104021730A (en) |
Cited By (6)
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| CN107472158A (en) * | 2017-06-21 | 2017-12-15 | 芜湖宏景电子股份有限公司 | Car panel radio panel location structure |
| CN107680493A (en) * | 2017-10-16 | 2018-02-09 | 广西南宁英凡达科技有限公司 | A kind of free-standing LED electronics dual screen |
| CN107743352A (en) * | 2017-10-16 | 2018-02-27 | 广西南宁英凡达科技有限公司 | A kind of vehicle LED electronics dual screen |
| GB2561895A (en) * | 2017-04-28 | 2018-10-31 | Amscreen Group Ltd | Cooling of electronic displays |
| CN112991954A (en) * | 2021-03-10 | 2021-06-18 | 西南科技大学 | Intelligence landscape design notice board |
| CN114561785A (en) * | 2020-11-27 | 2022-05-31 | 广州视源电子科技股份有限公司 | Clothes nursing machine and temperature control method thereof |
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Application publication date: 20140903 |