CN202736421U - Safety cooling system of LED (Light Emitting Diode) display screen case - Google Patents
Safety cooling system of LED (Light Emitting Diode) display screen case Download PDFInfo
- Publication number
- CN202736421U CN202736421U CN 201220420426 CN201220420426U CN202736421U CN 202736421 U CN202736421 U CN 202736421U CN 201220420426 CN201220420426 CN 201220420426 CN 201220420426 U CN201220420426 U CN 201220420426U CN 202736421 U CN202736421 U CN 202736421U
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- air
- cabinet
- case
- gas outlet
- blower fan
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Abstract
The utility model provides a safety cooling system of an LED (Light Emitting Diode) display screen case. The safety cooling system of the LED (Light Emitting Diode) display screen case comprises the LED display screen case and a case base, wherein air inlets are formed in the bottom of the case; air outlets for discharging hot air in the case are formed in the upper part of the case; an air exchange fan is installed on the top of the inner side of the case. The safety cooling system is characterized in that an air inlet plate, a fixed shutter and a pull-push type detachable filtering net are arranged at the air inlet of the case from outside to inside in sequence; the air outlets are formed in two side planes of the upper part of the case; a movable shutter or an air outlet filtering net is arranged at the air outlets; air channels are air draft cylindrical air channels formed by isolating plates in an isolation manner; and one air exchange fan which conveniently discharges the hot air in the case is respectively arranged inside each air channel. The safety cooling system is simple in structure, rapid and safe in heat radiation, is dustproof, waterproof, impurity-proof, high temperature proof and external force damage-proof, and thus the safety cooling system can be widely used in outdoor advertisement cases.
Description
Technical field
The utility model relates to outdoor LED display screen, particularly a kind of LED display cabinet safe heat dissipation system.
Background technology
LED display can show numeral, literal, figure, video, not only can be used for indoorly, also is widely used in outdoorly, has the advantages such as brightness is high, power consumption is little, the life-span is long, stability is high, operating voltage is low.But LED belongs to semi-conductor electronic device, and is the same with the driving chip with related control, requires high to environment temperature, if the amount of heat that when work, produces, can not in time get rid of, can in casing, form high temperature, cause LED to shift to an earlier date light decay, display screen system fluctuation of service.
Be the temperature problem in prevention and the solution display screen cabinet, way commonly used has fan for cooling and air-conditioning temperature-reducing at present.Fan for cooling is that blower fan is installed in cabinet, in the advancing of cabinet/gas outlet window shutter, filter screen is installed, come to the display screen forced heat radiation by blower fan, but unreasonable because of the window shutter of cabinet top layer air inlet and case Inner filter net and ventilation Duct design, exist profile not attractive in appearance; Dustproof, waterproof, anti-foreign material, anti-tamper poor performance; Filter screen cleaning, safeguard inconvenient, affect the case inner air convection; The weak points such as radiating effect is undesirable.If adopt the air-conditioning temperature-reducing mode, have that power consumption is large, input, use cost is high, construction and installation are inconvenient, cause the unfavorable factor such as display screen operation troubles because of the air-conditioning faults itself.
Summary of the invention
The purpose of this utility model is according to the deficiencies in the prior art, provides a kind of and both can prevent dust, waterproof, anti-foreign material, anti-damage, and good energy-saving radiating again prevents the LED display cabinet safe heat dissipation system of high temperature.
Described a kind of LED display cabinet safe heat dissipation system, comprise LED display cabinet and chassis base, be provided with air intake opening in the cabinet bottom, gas outlet for Bas Discharged in the case is arranged at cabinet top, the air channel that the cabinet inside top is equipped with the ventilation blower fan and directly is communicated with the gas outlet, it is characterized in that: be provided with successively from outside to inside the air inlet orifice plate at the air intake opening place, abatvent and air intake opening filter screen, described gas outlet is located at the two sides on cabinet top, the place is provided with venetian blinds or gas outlet filter screen in the gas outlet, described air channel is the exhausting tubular air channel that is formed by baffle for separating, is respectively equipped with to be convenient to the ventilation blower fan that hot gas sheds in the case in each air channel.
The temperature sensor of cutting off the electricity supply of when the cabinet internal upper part is equipped with startup blower fan temperature sensor and high temperature early warning, cutting off the electricity supply, the signal output part that starts the blower fan temperature sensor is connected with the control end of each ventilation blower fan respectively, and the signal output of the temperature sensor of cutting off the electricity supply is connected with power control terminal.
Be provided with the audio amplifier sound mouth in the side of cabinet.
Described ventilation blower fan is axial flow blower, has two, is located at respectively in the cabinet near the position of gas outlet, and dividing plate is located between two axial flow blowers, with the exhausting duct that is separated into twice in the cabinet and is communicated with gas outlet, the left and right sides respectively.
Air admission hole on the described air inlet orifice plate evenly distributes, and the air inlet rate is greater than 50%.
Described air intake opening filter screen is plug-type detachable filter screen, is provided with upper and lower track at window shutter cabinet skeleton behind, and the air intake opening filter screen is installed on the upper and lower track by its fixed mount, and can pull out along the track propelling.
The beneficial effects of the utility model: three layers of design of (1) casing air intake opening, outermost air inlet orifice plate both can beautify box shape, can form inlet channel again, also can prevent mouse, leaf etc. to enter in the case; The fixed blind window in middle layer, both rainwater-proof was invaded in advance, can prevent the damage box equipment again; The plug-type detachable filter screen of innermost layer both can prevent dust, waterproof, can be convenient to cleaning again, kept wind path unimpeded.
(2) filter screen of gas outlet or movable blind window design, but before the blower fan of installing in the guard box was not activated, pre-dust protection and rainwater were invaded in the case effectively, corrode display screen system.
(3) simple, the constructability of the Duct design in the casing can impel the natural air that enters in the casing to form eddy current, improves blast, strengthens radiating effect; Simultaneously, after open the gas outlet, run into different external force wind directions when excessive, also can with the return air that enters in the case, by air channel and the axial flow blower of installing in the case, hot-air in time be discharged outside the casing.
(4) temperature control of energy-saving safety design, the working time of blower fan and the quantity that dust, rainwater enter casing both can have been reduced, again can be after blower fan breaks down, in the case hot gas can not normally discharge and cause temperature to raise, when affecting display screen and normally moving, in time cut off the display screen system power supply, ensure display screen system safety.
The utility model is simple in structure, heat radiation fast and safely, and can prevent dust, waterproof, anti-foreign material, anti-high temperature, anti-damage, can be widely used in the outdoor advertising cabinet.
Description of drawings
Fig. 1 is the utility model structural representation,
Fig. 2 is the side diagram that gas outlet of the present utility model is provided with venetian blinds,
Fig. 3 is the side diagram that gas outlet of the present utility model is provided with filter screen,
Fig. 4 is the structural representation of plug-type detachable filter screen,
Fig. 5 is the outboard profile of Fig. 4,
Fig. 6 is the local enlarged diagram of A among Fig. 5.
Among the figure: 1-cabinet, 2-chassis base, 3-air inlet orifice plate, the 4-abatvent, 5-air intake opening filter screen, 6-gas outlet, 7-starts the blower fan temperature sensor, the 8-temperature sensor of cutting off the electricity supply, the 9-blower fan of taking a breath, the 10-air channel, 11-dividing plate, 12-blower fan pad, 13-gas outlet filter screen, 14-venetian blinds, 15-audio amplifier sound mouth, the 16-air-flow, 17, the upper and lower track of 18-.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.Among Fig. 1, described a kind of LED display cabinet safe heat dissipation system, comprise LED display cabinet 1 and chassis base 2, be provided with air intake opening in cabinet 1 bottom, gas outlet 6 for Bas Discharged in the case is arranged at cabinet 1 top, the air channel 10 that cabinet 1 inside top is equipped with ventilation blower fan 9 and directly is communicated with gas outlet 6, it is characterized in that: be provided with successively from outside to inside air inlet orifice plate 3, abatvent 4 and air intake opening filter screen 5 at the air intake opening place, abatvent 4 is fixed on the cabinet skeleton of air intake opening, the quantity and spacing of window page or leaf designs and produces according to the needs of air inflow; Air inlet orifice plate 3 is made at cabinet exterior trim panel, and the air admission hole on the plate face is according to the air inflow after calculating, evenly punching, and its air admission hole evenly distributes, and the air inlet rate is greater than 50%.
Described air channel 10 is the exhausting tubular air channels that are separated to form by dividing plate 11, is respectively equipped with to be convenient to the ventilation blower fan 9 that hot gas sheds in the case in each air channel 10.Described ventilation blower fan 9 is axial flow blower, the selection of blower fan be by calculate/air output and time of exchanging gas decide, be provided with two, be located at respectively the position of close gas outlet 6 in the cabinet, dividing plate 11 is located between the two axial flow blower fan, will be separated into two exhausting shape air channels that are communicated with the gas outlet 6 of the left and right sides respectively in the cabinet.Make the natural air in the case form eddy current, improve blast, after open the gas outlet, run into different external force wind directions excessive, also return air and hot-air in the case of entering in time can be discharged outside the casing by air channel and axial flow blower.1 top is equipped with and starts blower fan temperature sensor 7 and the temperature sensor 8 of cutting off the electricity supply in cabinet, the signal output part that starts blower fan temperature sensor 7 is connected with the control end of each ventilation blower fan 9 respectively, and the signal output of the temperature sensor 8 of cutting off the electricity supply is connected with power control terminal.The temperature sensor that starts blower fan temperature sensor 7 is set to 40 ℃, when the temperature inside the box is higher than 40 ℃, automatically signal is passed to fan controller, starts the blower fan automatic heat radiation; The temperature sensor of temperature sensor 8 of cutting off the electricity supply is set to 55 ℃, the temperature inside the box is controlled at below 55 ℃, when causing the temperature inside the box to be higher than 55 ℃ in case occur unexpected, just signal can be passed to power control system, automatically cut off display screen system power supply, safeguards system safety.
Among Fig. 2, Fig. 3, described gas outlet 6 is located at the two sides on cabinet 1 top, and the place is provided with venetian blinds 14 or gas outlet filter screen 13 in the gas outlet, is provided with audio amplifier sound mouth 15 in the side of cabinet 1.Particularly venetian blinds 14, are to open according to the unlatching of blower fan, and when blower fan was not opened, window shutter only had blower fan to open for closing shape, just window shutter can be opened heat radiation by distinguished and admirable.Before but the blower fan of installing in the guard box was not activated, pre-dust protection and rainwater were invaded in the case effectively, corrode display screen system.
Among Fig. 4, Fig. 5 and Fig. 6, described air intake opening filter screen 5 is plug-type detachable filter screen, is provided with upper and lower track 17,18 at window shutter cabinet skeleton behind, and air intake opening filter screen 5 is installed on the upper and lower track 17,18 by its fixed mount, and can pull out the maintenance of being convenient to keep a public place clean along the track propelling.
During the utility model normal operation, in dustproof, waterproof, anti-foreign material, anti-damage, when the temperature in the casing reaches 40 ℃, start just control ventilation blower fan 9 unlatchings of blower fan temperature sensor 7, the heat radiation of taking a breath, in the heat radiation process, air-flow 16 in the casing just 10 is discharged by gas outlet 6 along the air channel, radiating rate is fast, effective, when causing the temperature inside the box to be higher than 55 ℃ in case occur unexpected, just signal can be passed to power control system, automatically cut off the display screen system power supply, safeguards system safety.
Claims (6)
1. LED display cabinet safe heat dissipation system, comprise LED display cabinet (1) and chassis base (2), be provided with air intake opening in cabinet (1) bottom, gas outlet (6) for Bas Discharged in the case is arranged at cabinet (1) top, the air channel (10) that cabinet (1) inside top is equipped with ventilation blower fan (9) and directly is communicated with gas outlet (6), it is characterized in that: be provided with successively from outside to inside air inlet orifice plate (3) at the air intake opening place, abatvent (4) and air intake opening filter screen (5), described gas outlet (6) is located at the two sides on cabinet (1) top, the place is provided with venetian blinds (14) or gas outlet filter screen (13) in the gas outlet, described air channel (10) is the exhausting tubular air channel that is separated to form by dividing plate (11), is respectively equipped with to be convenient to the ventilation blower fan (9) that hot gas is discharged in the case in each air channel (10).
2. LED display cabinet safe heat dissipation system according to claim 1, it is characterized in that: (1) top is equipped with the temperature sensor of cutting off the electricity supply (8) of cutting off the electricity supply when starting blower fan temperature sensor (7) and high temperature early warning in cabinet, the signal output part that starts blower fan temperature sensor (7) is connected with the control end of each ventilation blower fan (9) respectively, and the signal output of the temperature sensor of cutting off the electricity supply (8) is connected with power control terminal.
3. LED display cabinet safe heat dissipation system according to claim 1 and 2 is characterized in that: be provided with audio amplifier sound mouth (15) in the side of cabinet (1).
4. LED display cabinet safe heat dissipation system according to claim 1 and 2, it is characterized in that: described ventilation blower fan (9) is axial flow blower, there are two, be located at respectively the position of close gas outlet (6) in the cabinet, dividing plate (11) is located between two axial flow blowers, with the exhausting duct that is separated into twice in the cabinet and is communicated with the gas outlet (6) of the left and right sides respectively.
5. LED display cabinet safe heat dissipation system according to claim 1 and 2, it is characterized in that: the air admission hole on the described air inlet orifice plate (3) evenly distributes, and the air inlet rate is greater than 50%.
6. LED display cabinet safe heat dissipation system according to claim 1 and 2, it is characterized in that: described air intake opening filter screen (5) is plug-type detachable filter screen, be provided with upper and lower track (17,18) at window shutter cabinet skeleton behind, air intake opening filter screen (5) is installed on the upper and lower track (17,18) by its fixed mount, and can pull out along the track propelling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220420426 CN202736421U (en) | 2012-08-23 | 2012-08-23 | Safety cooling system of LED (Light Emitting Diode) display screen case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220420426 CN202736421U (en) | 2012-08-23 | 2012-08-23 | Safety cooling system of LED (Light Emitting Diode) display screen case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202736421U true CN202736421U (en) | 2013-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220420426 Expired - Fee Related CN202736421U (en) | 2012-08-23 | 2012-08-23 | Safety cooling system of LED (Light Emitting Diode) display screen case |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103369933A (en) * | 2013-07-17 | 2013-10-23 | 广州七喜工控科技有限公司 | Dustproof and waterproof case |
| CN103471206A (en) * | 2013-09-13 | 2013-12-25 | 深圳市迅豹聚能科技有限公司 | Outdoor advertising machine and frequency converting control method for frequency-variable air conditioner of outdoor advertising machine |
| CN107219909A (en) * | 2017-08-03 | 2017-09-29 | 合肥利元杰信息科技有限公司 | A kind of good computer host box that radiates |
| CN108762340A (en) * | 2018-08-21 | 2018-11-06 | 无锡诚石轴承有限公司 | Machine Tool Electric Appliance control cabinet temperature monitor and control device |
| CN109754703A (en) * | 2018-03-23 | 2019-05-14 | 京东方科技集团股份有限公司 | A kind of electronic tag and its control method |
| CN110021241A (en) * | 2019-05-22 | 2019-07-16 | 上海光纳电子科技有限公司 | A kind of outdoor LED lamp billboard with moisture-proof function |
-
2012
- 2012-08-23 CN CN 201220420426 patent/CN202736421U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103369933A (en) * | 2013-07-17 | 2013-10-23 | 广州七喜工控科技有限公司 | Dustproof and waterproof case |
| CN103369933B (en) * | 2013-07-17 | 2016-07-06 | 深圳市禾望电气股份有限公司 | A kind of cabinet of dustproof and waterproof |
| CN103471206A (en) * | 2013-09-13 | 2013-12-25 | 深圳市迅豹聚能科技有限公司 | Outdoor advertising machine and frequency converting control method for frequency-variable air conditioner of outdoor advertising machine |
| CN103471206B (en) * | 2013-09-13 | 2016-01-20 | 深圳市迅豹聚能科技有限公司 | The method for controlling frequency conversion of a kind of outdoor advertisement machine and convertible frequency air-conditioner thereof |
| CN107219909A (en) * | 2017-08-03 | 2017-09-29 | 合肥利元杰信息科技有限公司 | A kind of good computer host box that radiates |
| CN109754703A (en) * | 2018-03-23 | 2019-05-14 | 京东方科技集团股份有限公司 | A kind of electronic tag and its control method |
| US11562704B2 (en) | 2018-03-23 | 2023-01-24 | Boe Technology Group Co., Ltd. | Electronic tag and operation method thereof |
| CN108762340A (en) * | 2018-08-21 | 2018-11-06 | 无锡诚石轴承有限公司 | Machine Tool Electric Appliance control cabinet temperature monitor and control device |
| CN110021241A (en) * | 2019-05-22 | 2019-07-16 | 上海光纳电子科技有限公司 | A kind of outdoor LED lamp billboard with moisture-proof function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20210823 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |