CN211124822U - Shop-window type L ED display screen - Google Patents
Shop-window type L ED display screen Download PDFInfo
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- CN211124822U CN211124822U CN201922362107.1U CN201922362107U CN211124822U CN 211124822 U CN211124822 U CN 211124822U CN 201922362107 U CN201922362107 U CN 201922362107U CN 211124822 U CN211124822 U CN 211124822U
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- air
- display screen
- air outlet
- cavity
- window
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- 238000009423 ventilation Methods 0.000 claims abstract description 37
- 239000000428 dust Substances 0.000 description 17
- 230000017525 heat dissipation Effects 0.000 description 11
- 230000000694 effects Effects 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The application relates to a showcase type L ED display screen, which comprises a display screen body, a showcase, a ventilation pipe and an air supply system, wherein a groove is formed in the showcase, the display screen body is assembled on the showcase and seals the groove, a sealed cavity is formed between the showcase and the display screen body, at least one air hole is formed in the showcase, the cavity is communicated with the outside through the air hole, the air supply system is arranged outside the showcase, the ventilation pipe is arranged in the cavity and at least partially extends out of the cavity and is communicated with the air supply system, at least one air outlet is formed in the ventilation pipe, the cavity is communicated with the outside air through the air outlet and the ventilation pipe, the air supply system supplies air into the cavity through the ventilation pipe and the air outlet, and the showcase type L ED display screen is characterized in that the air supply system is arranged outside the showcase, positive pressure is formed in the cavity relative to the outside atmospheric pressure by adopting a centralized air supply mode, airflow from the cavity to the outside is formed.
Description
Technical Field
The application relates to the field of L ED display screens, in particular to a showcase-type L ED display screen.
Background
Outdoor large screen advertising display mainly adopts L ED display screen, when presenting the high brightness advertisement, also is accompanied by huge heat production, if these heats can not in time be discharged from the display screen in, then L ED display screen will work under high temperature, and this can influence the reliability of L ED display screen, shortens its life simultaneously.
At present, many outdoor L ED display screens are directly ventilated to dissipate heat, an air inlet is directly formed in the bottom of a screen body or below the back of the screen body, an air outlet provided with an exhaust fan is formed in the upper portion of the back of the screen body, and therefore heat inside the L ED display screen is discharged.
However, the outdoor environment is generally poor, dust is more, and after a L ED display screen adopting straight-through air for heat dissipation works outdoors for a long time, a large amount of dust is often accumulated in the display screen, which seriously affects the reliability and the maintainability of a product.
SUMMERY OF THE UTILITY MODEL
Therefore, a showcase type L ED display screen is needed to be provided for solving the problem that dust is easily accumulated in a straight-through heat dissipation mode of an outdoor display screen and the reliability of the display screen is affected.
A shop window type L ED display screen comprises a display screen body, a shop window, a ventilation pipe and an air supply system, wherein,
a groove is formed in the show window, the display screen body is assembled on the show window and sealed, and a closed cavity is formed between the show window and the display screen body;
the show window is provided with at least one air hole, and the cavity is communicated with the outside through the air hole;
the air supply system is arranged outside the cabinet window;
the ventilation pipe is arranged in the cavity, at least part of the ventilation pipe extends out of the cavity and is communicated with the air supply system, at least one air outlet is formed in the ventilation pipe, the cavity is communicated with outside air through the air outlet and the ventilation pipe, and the air supply system supplies air into the cavity through the ventilation pipe and the air outlet.
In one embodiment, the showcase includes a back plate and side plates, the back plate is disposed opposite to the display screen body, the side plates are fixedly connected to the back plate, the grooves are surrounded by the side plates and the back plate, and the display screen body is fixedly connected to the side plates.
In one embodiment, the air holes are disposed on the back plate.
In one embodiment, a baffle plate is arranged on the back plate and is arranged corresponding to the wind holes, the baffle plate is arranged obliquely relative to the back plate, and the orthographic projection of the baffle plate on the back plate at least partially overlaps with the wind holes.
In one embodiment, the display screen body comprises a plurality of lamp panels, the ventilation pipe is provided with a plurality of air outlets, and each air outlet corresponds to one lamp panel.
In one embodiment, the ventilation pipe comprises a main air pipe and an air outlet pipe, air channels are arranged in the main air pipe and the air outlet pipe, the main air pipe and the air channels of the air outlet pipe are communicated with each other, and the air outlet is arranged on the air outlet pipe.
In one embodiment, the air outlet pipe is provided with a plurality of air outlets, the air outlet pipes are arranged at intervals, and the air outlets are arranged on each air outlet pipe at intervals.
In one embodiment, the width of the end of the air outlet pipe far away from the main air pipe is smaller than the width of the end of the air outlet pipe close to the main air pipe.
In one embodiment, the air guide device further comprises an air guide member, wherein the air guide member is arranged corresponding to the air outlet and used for providing a guiding effect for the air flow coming out of the air outlet.
In one embodiment, the shop window type display is used for displaying the posture during normal installation and use as a reference posture, one end of the shop window close to the ground is provided with the air outlet pipe, and the air outlet of the air outlet pipe is arranged on the end face, facing the ground, of the air outlet pipe.
According to the shop-window type L ED display screen, the air supply system is arranged outside the shop window, the concentrated air supply mode is adopted, the air supply system pumps outside air into the cavity through the ventilation pipe, positive pressure is formed in the cavity relative to the outside atmospheric pressure, airflow from the cavity to the outside is formed, and dust accumulation in the heat dissipation process is avoided.
Drawings
FIG. 1 is a schematic diagram of a shop-window L ED display screen according to an embodiment of the present application;
FIG. 2 is another schematic diagram of a shop-window L ED display screen according to an embodiment of the present application;
FIG. 3 is an exploded view of a shop window L ED display screen according to one embodiment of the present application;
FIG. 4 is an enlarged partial view of the back of the shop window L ED display screen in accordance with one embodiment of the present application;
FIG. 5 is a schematic view of a ventilation tube of a shop window L ED display screen according to an embodiment of the present application;
fig. 6 is a schematic view of a ventilation tube of a shop window type L ED display screen according to another embodiment of the present application.
Detailed Description
To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present application are given in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The showcase formula L ED display screen of each embodiment of this application, through the mode of concentrating the air feed, send into the display screen inside with the air, make the inside external positive pressure that forms relatively of display screen, inside the difficult wind hole that enters into the display screen of external dust to form by the outside air current of the inside flow direction display screen of display screen, when taking away the air, also take away the dust of inside, can not gather the dust.
The showcase L ED display screen of the embodiments of the present application is described in detail below with reference to the accompanying drawings.
Referring to fig. 1 to 3, which schematically illustrate a structure of a shop window type L ED display screen 10 according to an embodiment of the present disclosure, the shop window type L ED display screen 10 may include a display screen body 110, a shop window 120, a ventilation pipe 130, and an air supply system 140, the shop window 120 and the display screen body 110 surround to form a cavity 10a, the air supply system 140 supplies air to the cavity 10a through the ventilation pipe 130 to introduce external air into the cavity 10a, the shop window 120 is provided with at least one air hole 120b, and air in the cavity 10a flows out from the air hole 120b and carries away heat and dust.
The display screen body 110 may be a common L ED display screen on the market for performing normal L ED display to realize functions such as advertisement playing, and the structure may be a common structure of a L ED display screen.
A groove 120a is arranged in the show window 120, the display screen body 110 is assembled on the show window 120, the groove 120a is sealed, a relatively closed cavity 10a is formed between the show window 120 and the display screen body 110, and the cavity 10a is communicated with the outside only through the air holes 120b, so that when positive pressure is formed in the cavity 10a relative to the outside, dust can be prevented from entering the cavity 10a, and dust accumulation is reduced; meanwhile, when the display screen body 110 works, a large amount of heat is emitted, and the heat is emitted into the cavity 10a, so that the air pressure in the cavity 10a is increased, and the air in the cavity 10a flows outwards through the air holes 120b to take away the heat and the dust.
The display screen body 110 may be at least partially embedded in the groove 120 a. For example, when the power box is disposed on the back of the display screen body 110, the power box is completely accommodated in the groove 120 a.
The showcase 120 is provided with at least one wind hole 120b, and the cavity 10a is communicated with the outside through the wind hole 120 b. Thus, when the pressure inside the cavity 10a is greater than the external atmospheric pressure, the air inside the cavity 10a flows to the outside through the air holes 120 b.
For example, referring to fig. 3, the showcase 120 may include a back panel 121 and a side panel 123, the back panel 121 is disposed opposite to the display screen body 110, the side panel 123 is fixedly connected to the back panel 121, a plurality of side panels 123 and the back panel 121 surround to form a groove 120a, and the display screen body 110 is fixedly connected to the side panel 123. The side plates 123 may be used to cover the display screen body 110, so as to enhance the sealing property of the joint between the showcase 120 and the display screen body 110 and prevent dust from entering the cavity 10a from the joint between the showcase 120 and the display screen body 110.
In a specific embodiment, the wind holes 120b are disposed on the back plate 121, for example, the wind holes 120b may be disposed in a plurality, and the plurality of wind holes 120b are disposed on the back plate 121 in an array, so as to enable air to be fully exchanged with the outside, please refer to fig. 4, a shielding plate 125 may be disposed on the back plate 121, the shielding plate 125 is disposed corresponding to the wind holes 120b, the shielding plate 125 is disposed in an inclined manner relative to the back plate 121, and an orthographic projection of the shielding plate 125 on the back plate 121 at least partially overlaps the wind holes 120b, for example, each wind hole 120b may be correspondingly disposed with a shielding plate 125, by disposing the shielding plate 125, rainwater may be prevented from entering the cavity 10a through the wind holes 120b, so as to enhance the waterproof performance of the shop window type L ED display screen, and it is understood that the wind holes 120b may also be disposed on.
Referring to fig. 1 to 3, the air supply system 140 is disposed outside the showcase 120, is communicated with the ventilation tube 130, and supplies air into the cavity 10a through the ventilation tube 130 and the air outlet 130 a. For example, the vent tube 130 extends from the cavity 10a and is connected to the air supply system 140, and the air supply system 140 draws the outside air into the vent tube 130.
In one or more embodiments, the air supply system 140 may include an air filtering device (not shown) to filter air from dust or other large particulate matter entering the cavity 10 a. It will be appreciated that the air filter device may be an air filter device already available on the market.
The ventilation pipe 130 is disposed in the cavity 10a, at least a portion of the ventilation pipe 130 extends out of the cavity 10a, and is communicated with the air supply system 140, at least one air outlet 130a is disposed on the ventilation pipe 130, the cavity 10a is communicated with the outside air through the air outlet 130a and the ventilation pipe 130, and the air supply system 140 sucks the outside air into the ventilation pipe 130, and sends the outside air into the cavity 10a through the air outlet 130 a.
Referring to fig. 1 and 2, the display screen body 110 includes a plurality of lamp panels 111, in one or more embodiments, the ventilation tube 130 is provided with a plurality of air outlets 130a, each air outlet 130a is disposed corresponding to one of the lamp panels 111, when a driving circuit on the lamp panel 111 drives L ED lamp beads to emit light, a large amount of heat is generated, one air outlet 130a is disposed corresponding to each lamp panel 111, so that the heat dissipation fins of the lamp panel 111 are located at the air outlets, when the air flow just comes out from the air outlets 130a, the air flow is strong, the strong air flow directly blows the heat dissipation fins at the back of the lamp panel 111, and the heat accumulated on the surface of the heat dissipation fins at the back of the lamp panel 111 is taken away.
Referring to fig. 5, the ventilation pipe 130 may include a main air pipe 131 and an air outlet pipe 133, air ducts are disposed in the main air pipe 131 and the air outlet pipe 133, the air ducts of the main air pipe 131 and the air outlet pipe 133 are communicated with each other, the air outlet 130a is disposed on the air outlet pipe 133, the air outlet pipe 133 may be disposed in plurality, and the air outlet pipes 133 are disposed at intervals. The lamp plate 111 on the display screen body 110 is usually arranged in an array, so that the air outlet pipes 133 are arranged at a plurality of intervals, the air outlet 130a is arranged on each air outlet pipe 133 at intervals, each lamp plate 111 can be correspondingly provided with one air outlet 130a, and quick heat dissipation of the corresponding area of each lamp plate 111 is realized.
In one or more embodiments, the width of the end of the air outlet pipe 133 away from the main air pipe 131 is smaller than the width of the end of the air outlet pipe 133 close to the main air pipe 131, so that an air gathering effect can be formed, and the airflow flows to the end of the air outlet pipe 133 away from the main air pipe 131 and still has a large flow velocity, thereby improving the heat dissipation effect of the air outlet 130a at the end of the air outlet pipe 133.
The air guide device can further comprise an air guide component, wherein the air guide component is arranged corresponding to the air outlet 130a and used for providing a guiding effect for air flow coming out of the air outlet 130 a. For example, the air flow from the outlet 130a is directed to a designated area.
For example, the air guide may include a plurality of inclined surfaces, and the plurality of inclined surfaces guide the airflow in different directions, thereby achieving a wide range of heat dissipation.
Referring to fig. 6, in one or more embodiments, the posture of the window type L ED display screen during normal installation is taken as the reference posture, one end of the window 120 close to the ground is provided with an air outlet pipe 133, and the air outlet 130a of the air outlet pipe 133 is disposed on the end surface of the air outlet pipe 133 facing the ground, so that the air flow coming out of the air outlet pipe 133 directly drives the air at the bottom of the window 120 to flow, thereby improving the fluidity of the air and preventing heat from being accumulated at the bottom, and on the other hand, the air flow blows through the bottom side plate 123 to lift up the dust on the accumulated bottom side plate 123 and prevent the dust from being accumulated.
According to the shop window type L ED display screen, the air supply system 140 is arranged outside the shop window 120, the air supply system 140 pumps outside air into the cavity 10a through the ventilation pipe 130 in a centralized air supply mode, positive pressure is formed in the cavity 10a relative to the outside atmospheric pressure, outside dust is difficult to enter the display screen through the air holes 120b, air flow from the cavity 10a to the outside is formed, and dust accumulation in the heat dissipation process is avoided.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A shop window type L ED display screen is characterized by comprising a display screen body, a shop window, a ventilation pipe and an air supply system, wherein,
a groove is formed in the show window, the display screen body is assembled on the show window and sealed, and a closed cavity is formed between the show window and the display screen body;
the show window is provided with at least one air hole, and the cavity is communicated with the outside through the air hole;
the air supply system is arranged outside the cabinet window;
the ventilation pipe is arranged in the cavity, at least part of the ventilation pipe extends out of the cavity and is communicated with the air supply system, at least one air outlet is formed in the ventilation pipe, the cavity is communicated with outside air through the air outlet and the ventilation pipe, and the air supply system supplies air into the cavity through the ventilation pipe and the air outlet.
2. The showcase L ED display screen of claim 1, wherein the showcase includes a back panel and side panels, the back panel is disposed opposite to the display screen body, the side panels are fixedly connected to the back panel, the side panels and the back panel surround to form the groove, and the display screen body is fixedly connected to the side panels.
3. The shop window L ED display screen of claim 2, wherein the ventilation holes are disposed on the back panel.
4. The shop-window L ED display screen according to claim 3, wherein the back plate is provided with a shielding plate, the shielding plate is disposed corresponding to the wind holes, the shielding plate is disposed obliquely with respect to the back plate, and an orthographic projection of the shielding plate on the back plate at least partially overlaps the wind holes.
5. The shop window L ED display screen of claim 1, wherein the display screen body includes a plurality of light panels, the ventilation tube is provided with a plurality of air outlets, and each air outlet is provided corresponding to one of the light panels.
6. The showcase L ED display screen of claim 1, wherein the ventilation tube includes a main air duct and an air outlet duct, the main air duct and the air outlet duct are both provided with air ducts, the air ducts of the main air duct and the air outlet duct are communicated with each other, and the air outlet is provided on the air outlet duct.
7. The shop window L ED display screen of claim 6, wherein the air outlet pipe is provided in plurality, the air outlet pipes are spaced apart from each other, and the air outlet is spaced apart from each other on each air outlet pipe.
8. The shop window L ED display screen of claim 6, wherein an end of the outlet duct remote from the main air duct has a width less than an end of the outlet duct proximate to the main air duct.
9. The shop-window L ED display screen according to claim 6, further comprising a wind guide disposed corresponding to the air outlet for guiding the airflow from the air outlet.
10. The showcase L ED display screen of claim 6, wherein an air outlet pipe is disposed at an end of the showcase near the ground, and an air outlet of the air outlet pipe is disposed at an end surface of the air outlet pipe facing the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922362107.1U CN211124822U (en) | 2019-12-25 | 2019-12-25 | Shop-window type L ED display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922362107.1U CN211124822U (en) | 2019-12-25 | 2019-12-25 | Shop-window type L ED display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211124822U true CN211124822U (en) | 2020-07-28 |
Family
ID=71707286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922362107.1U Expired - Fee Related CN211124822U (en) | 2019-12-25 | 2019-12-25 | Shop-window type L ED display screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211124822U (en) |
-
2019
- 2019-12-25 CN CN201922362107.1U patent/CN211124822U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200728 |
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| CF01 | Termination of patent right due to non-payment of annual fee |