CN103456244B - Outdoor non-packed display screen - Google Patents
Outdoor non-packed display screen Download PDFInfo
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- CN103456244B CN103456244B CN201310354063.2A CN201310354063A CN103456244B CN 103456244 B CN103456244 B CN 103456244B CN 201310354063 A CN201310354063 A CN 201310354063A CN 103456244 B CN103456244 B CN 103456244B
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- 238000007789 sealing Methods 0.000 claims description 14
- 230000017525 heat dissipation Effects 0.000 claims description 9
- 239000012790 adhesive layer Substances 0.000 claims description 8
- 239000003292 glue Substances 0.000 claims description 7
- 238000004382 potting Methods 0.000 claims description 6
- 239000000565 sealant Substances 0.000 claims description 6
- 239000010410 layer Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract 2
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 230000005855 radiation Effects 0.000 abstract 1
- 239000011799 hole material Substances 0.000 description 14
- 229910000838 Al alloy Inorganic materials 0.000 description 7
- 230000008901 benefit Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The present invention discloses a kind of outdoor non-packed display screen, and comprise lamp bar module and the panel box for powering to this lamp bar module, lamp bar module comprises the lamp bar of some parallel arrangements; Outdoor display screen also comprises for being fixedly connected with by some lamp bars of lamp bar module and lamp bar module being fixed on the connection strap of display screen installation position; Panel box is fixedly connected with the lamp bar of lamp bar module.Adopt above-mentioned outdoor display screen of the present invention, lamp bar die set connection strap and distribution box body are done overall fixing; Because distribution box body and connection strap bear the dynamics of display screen body jointly, compare existing outdoor display screen, do not need the housing with fixing display screen, again due to the waterproof construction simple and reliable process of lamp bar and distributing box itself, and the waterproof construction of coupling part is simple and reliable between lamp bar and panel box, add the excellent heat radiation performance of panel box, thus outdoor non-packed can be realized.<!--1-->
Description
Technical Field
The invention relates to the technical field of LED display, in particular to an outdoor naked display screen.
Background
At present, because a common outdoor display screen is used for high-altitude large-screen display, the protection grade generally needs to reach the display front IP65 and the back IP 54; moreover, in order to guarantee that the existing display screen can reach the protection level, the existing display screen is generally designed into an auxiliary box frame or a whole sheet metal box for installing the display screen, the weight of the display screen is greatly increased by the modes, the installation cost of the display screen is also increased, the installation is complex, in addition, the back protection is only IP54, and the simple naked installation of the display screen in the open air cannot be realized.
Moreover, when the existing outdoor display screen is installed in the air, the wind resistance of the display screen is large, and in addition, the outdoor multi-wind service environment ensures that the safety requirement of the display screen on the steel structure frame is strict, so that the structure of the steel structure frame is more complex and unstable, and the cost is higher.
Disclosure of Invention
The invention mainly aims to make up for the defects and provides the outdoor display screen which can be directly and outdoors naked, has a simple structure, reliable waterproof and heat dissipation effects and low cost.
In order to achieve the purpose, the invention provides an outdoor naked display screen, which comprises a light bar module and a distribution box for supplying power to the light bar module, and is characterized in that the light bar module comprises a plurality of light bars which are arranged in parallel; the outdoor display screen also comprises a connecting strip which is used for fixedly connecting a plurality of light bars of the light bar module and fixing the light bar module at a display screen mounting position;
the distribution box is fixedly connected with the lamp strip of the lamp strip module.
Preferably, the distribution box is fixedly connected to the back surface of the light bar module and is perpendicular to the light bar; the connecting strips are symmetrically distributed on two sides of the distribution box and are parallel to the distribution box.
Preferably, the light bar comprises a light bar bottom shell, and the light bar bottom shell is a long square with one open side;
the light bar bottom shell is provided with a face cover which covers the opening of the light bar bottom shell and is fixedly connected with the light bar bottom shell;
a lamp panel and an LED lamp arranged on the lamp panel are fixedly arranged in the lamp strip bottom shell, and the LED lamp penetrates from the interior of the lamp strip bottom shell to the exterior of the face shield;
first end covers are arranged at two ends of the light bar bottom shell; a first potting adhesive layer is arranged on the lamp panel;
and a second potting adhesive layer is arranged at the joint of the light bar bottom shell and the first end cover.
Preferably, an inner cavity is formed between the lamp panel and the lamp strip bottom shell;
the first end cover comprises a sealing part for sealing the end face of the light bar bottom shell, a baffle part which is positioned in the inner cavity, the upper end of the baffle part is in contact with the lamp panel, the lower end of the baffle part is in contact with the bottom wall of the light bar bottom shell, and a connecting part for connecting the sealing part and the baffle part;
the second pouring sealant layer is arranged between the baffle portion and the sealing portion.
Preferably, the mask is a breathable and light-tight mask.
Preferably, the distribution box comprises an elongated outer shell and second end covers arranged at two ends of the outer shell;
the bottom surface of the shell is fixedly connected with the lamp strip shell of the lamp strip; a through hole is formed in the top surface of the shell; the distribution box also comprises a distribution box cover fixedly arranged on the top surface of the shell;
the shell, the second end cover and the power distribution box cover form a closed power distribution box body for containing the power distribution assembly; and the distribution box cover is provided with heat radiating fins.
Preferably, the lower bottom surface of the power distribution box cover is in contact connection with a power supply penetrating from the inside of the shell to the outside of the through hole, and a heat dissipation adhesive layer is arranged at the contact part of the lower bottom surface of the power distribution box cover and the power supply.
Preferably, waterproof rings are arranged at joints of the two ends of the outer shell and the second end cover and/or joints of the top surface of the outer shell and the power distribution box cover.
Preferably, the top and bottom surfaces of the housing are formed with ribs; the convex edge is provided with a screw hole, and the screw penetrates through the screw hole to fixedly connect the top surface of the shell with the power distribution box cover and the bottom surface of the shell with the light bar.
Preferably, a waterproof breathable respirator is arranged on the outer shell.
By adopting the outdoor naked display screen, the light bar module assembly is integrally fixed with the distribution box body by the connecting bar, and the light bar module assembly is arranged according to the required size and shape to form the required display screen body. Because block terminal box and connecting strip bear the dynamics of the display screen body jointly, so compare current outdoor display screen, need not be with the frame of fixed display screen, can realize outdoor naked dress. And the block terminal is located the perpendicular bisector of lamp strip module subassembly, and two connecting strip symmetric distribution are in the both sides of block terminal, make the atress of each connecting strip more tend to rationally like this, and the stability that whole display screen connects is also higher.
Drawings
FIG. 1 is a rear view of an outdoor naked display screen according to the present invention;
FIG. 2 is a bottom view of an outdoor bare mounted display according to the present invention;
FIG. 3 is a right side view of an outdoor naked display screen according to the present invention;
FIG. 4 is a cross-sectional view of the light bar of FIG. 1;
fig. 5 is a schematic structural view of a bottom case of the light bar profile in fig. 4;
FIG. 6 is a schematic view of a connection structure between the lamp panel and the LED lamp in FIG. 4;
FIG. 7 is a schematic view of the mask of FIG. 4;
fig. 8 is a schematic structural view of the bottom housing and the first end cap of the light bar shown in fig. 5 after assembly;
FIG. 9 is a schematic view of the electrical distribution box of FIG. 1;
fig. 10 is a schematic view of the structure of the connection strip in fig. 1.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention provides an outdoor naked display screen.
Referring to fig. 1-3, fig. 1 is a rear view of an outdoor naked display screen according to the present invention; FIG. 2 is a bottom view of an outdoor bare mounted display according to the present invention; fig. 3 is a right side view of an outdoor naked display screen according to the present invention.
The outdoor naked display screen comprises a light bar module consisting of a plurality of light bars 10, two connecting bars 20 and a distribution box 30; wherein,
the plurality of light bars 10 are correspondingly arranged according to the size and the shape of the required display screen to form the light bar module of the outdoor display screen.
The two connecting strips 20 are positioned on the back of the outdoor display screen light bar module formed by the light bars 10 and used for fixing the light bars 10 forming the display screen; each light bar 10 is fixedly connected with the connecting bar 20 through screws, and then the two connecting bars 20 are respectively connected with two point positions on the light bar 10 through screws, so that all the light bars 10 are fixed on the connecting bars 20. The connecting strip 20 is made of aluminum alloy section, and has simple structure and light weight.
The distribution box 30 is used for providing a power distribution power supply for the lamp strip 10, a socket which is electrically connected with a circuit board in the box body of the distribution box 30 is arranged on the box body of the distribution box 30, and a power input connector of the lamp strip 10 is inserted into the socket to obtain power distribution of the distribution box 30. And in order to guarantee the stability of block terminal 30, block terminal 30 is installed in the back of the display screen lamp strip module that a plurality of above-mentioned lamp strips 10 are constituteed, and passes through screwed connection between the box of block terminal 20 and lamp strip 10, has further also played the effect of fixing lamp strip 10 in the lamp strip module.
In the outdoor display screen, the distribution box 30 and the connecting strip 20 are both positioned on the back of the light bar module and fixed with the light bar 10 through screws so as not to affect the normal display of the front of the display screen, and the front of the light bar module can be obviously known as the display surface of the display screen. In order to make mechanics distribution lamp strip 10 can be fixed by stable and connecting strip 20, above-mentioned block terminal 30 is located the back of lamp strip module and sets up with lamp strip 10 fixed connection and perpendicular to lamp strip 10, and two connecting strip 20 symmetric distribution are in the both sides of block terminal 30, make the atress of each connecting strip 20 more tend to rationally like this, and the stability that whole display screen connects is also higher. It is also most suitable to connect the connecting bar 20 parallel to the electric distribution box 30 and fixedly connected to the light bar 10, so that the electric distribution box 30 is parallel to the connecting bar 20 and the connecting bar 20. The fixation corresponding to the whole screen body is more consistent with the mechanical principle, and the safety and the stability are the best.
Certainly, the number of the connecting strips 20 is not limited to 2, and when the length of the light bar 10 is long, the 2 connecting strips 20 may be difficult to meet the requirement of the stability of the whole display screen, and the number of the connecting strips 20 may be correspondingly increased to ensure that the light bar 10 can be stably fixed on the connecting strips.
In the invention, the distribution box 30 for providing power for the light bars 10 and the connecting bar 20 are fixed to each light bar 10 by screws, so that the outdoor naked display screen of the invention is formed. When the outdoor naked display screen is installed outdoors, the connecting strip 20 is only required to be fixed on the installation position of the display screen; the outdoor display screen installation position is generally a fixed building such as a wall and a floor of a building, and can also be a support frame and a support column for supporting a billboard, which are common outdoors, or a proper position for installing the display screen. In addition, when the outdoor display screen is installed, due to the fact that the structure is simple and light, a complex assembling process is not needed during installation, the connecting strip 20 and the display screen installation position are fastened and locked through screws, and the outdoor display screen is simple, convenient, tight in connection and high in safety.
And every two of the plurality of lamp strips 10 still leave certain gap each other, further reduce the display screen and install the windage in the open air, improved safety and stability.
By adopting the outdoor display screen, the lamp strips 10 in the lamp strip module are integrally fixed by the connecting strips 20 and are arranged according to the required size and shape to form the required display screen body. Because 30 boxes of block terminal and connecting strip 20 bear the dynamics of the display screen body jointly, current outdoor display screen is compared to its fixed connection's stability, need not be with the frame of fixed display screen, can realize outdoor naked dress.
And above-mentioned connecting strip 20, block terminal 30 box to and the housing in lamp strip 10 all adopt the aluminum alloy material, and the quality is light, do benefit to the heat dissipation, and the simple structure of collocation above-mentioned moreover can reduce the weight of display screen to 25kg/m2Compared with the prior display screen of 50kg/m2The left and right are reduced by about half.
Referring further to fig. 4-7, fig. 4 is a cross-sectional view of the light bar 10 of fig. 1; fig. 5 is a schematic structural view of a bottom case of the light bar profile in fig. 4; FIG. 6 is a schematic view of a connection structure between the lamp panel and the LED lamp in FIG. 4; fig. 7 is a schematic view of the mask structure of fig. 4. In the above embodiment, the light bar 10 of the invention includes the light bar bottom case 11, the light bar bottom case 11 is a long square, one side of the long square light bar bottom case 11 is the opening 111, and the cross section of the long light bar bottom case 11 is U-shaped.
A face shield 13 which covers the opening 111 of the light bar bottom shell 11 and is fixedly connected with the light bar bottom shell 11 is arranged on the light bar bottom shell 11; first end caps 14 are disposed at two ends of the light bar bottom case 11, and the first end caps 14 cover openings at two ends of the light bar bottom case 11.
A lamp panel 12 is fixedly installed in the lamp strip bottom shell 11, and a plurality of LED lamps 121 are installed on the lamp panel 12; the LED lamp 121 penetrates from the inside of the opening 111 of the lamp strip bottom shell 11 to the outside of the face shield 13; lamp plate 12 passes through screw fixed connection in lamp strip drain pan 11.
A first potting adhesive layer (not shown) is filled on the lamp panel 12 in the lamp strip bottom shell 11 to seal the exposed conductive part on the lamp panel 12; meanwhile, a second potting adhesive layer (not shown) may be disposed at the joint between the two ends of the light bar bottom case 11 and the first end cover 14, so as to seal the joint between the first end cover 14 and the light bar bottom case 11, so that the whole light bar 10 has good waterproof performance.
And to above-mentioned shape of above-mentioned lamp strip drain pan 11, lamp strip drain pan 11 can directly choose for use rectangular aluminum alloy U section bar or groove profile. The shape and structure of the light bar bottom shell 11 just correspond to those of commercially available U-shaped or groove-shaped materials. The lamp strip shell 11 that rectangular aluminum alloy U section bar or groove profile were used for is direct, the heat dissipation of being more convenient for.
Specifically, the assembly structure of the first end cover 14 and the light bar bottom case 11 is shown in fig. 8, and fig. 8 is a schematic structural view of the light bar bottom case and the first end cover in fig. 5 after assembly. Above-mentioned lamp plate 12 passes through behind the fix with screw in lamp strip drain pan 11, forms an inner chamber 15 between the below of lamp plate 12 and the diapire of lamp strip drain pan 11. The first end cap 14 includes a sealing portion 141 for sealing an opening on an end surface of the light bar bottom case 11, a blocking portion 142 disposed in the inner cavity 15, and a connecting portion 143 for connecting the sealing portion 141 and the blocking portion 142; the upper end and the lamp plate 12 contact of this baffle portion 142, and the lower extreme and the contact of lamp strip drain pan 11 of baffle portion 143, when filling the second encapsulating glue layer, this baffle portion 142 can block the deeper of second encapsulating glue layer inflow inner chamber 15. Firstly, the inner cavity 15 is sealed into a closed space by pouring sealant from the end side, so that the problems of water accumulation and the like are avoided, and the safety level of the light bar 10 is further improved; secondly, compared with the method of filling the inner cavity 15 with the pouring sealant, the method saves the using amount of the pouring sealant and reduces the cost.
Further, a gap 16 is left between the panel 12 and the sealing portion 141 to facilitate pouring glue from above the panel 12 into the cavity 15. The width of the gap 16 can be reserved to be about 2mm, and during glue filling, glue flows into the inner cavity 15 from the upper part of the lamp panel 12 through the gap 16, is blocked by the baffle part 142, and is solidified finally.
The light bar module of the outdoor naked display screen comprises the light bars 10, wherein the light bar bottom shell 11 is formed by fixedly arranging the aluminum alloy section lamp panel 12 in the light bar bottom shell 11 through screws, and the light bar module is simple in structure and better in protection function.
And the lamp strip 10 comprises a face shield 13, and the face shield 13 can select a ventilating and light-tight face shield, a ventilating and light-tight face shield or a ventilating and light-tight face shield according to the environment occasion used by the display screen, so that the outdoor display screen can be suitable for being used in various occasions. The invention preferably adopts a wind-permeable and light-tight mask, so that the wind resistance can be further reduced, and the safety degree is increased; and also prevents light transmission, resulting in unclear display.
Referring further to fig. 8, fig. 8 is a schematic structural view of the distribution box of fig. 1. The distribution box 30 is integrally extruded and formed and comprises a distribution box shell 31, the distribution box shell 31 of the invention does not adopt a long-strip box body with an opening at the upper part and a U-shaped cross section, but adopts a square long-strip distribution box shell 31 with a closed cross section at four sides, two ends of the shell 31 are respectively provided with a second end cover 33 and are fixedly connected with the shell 31 through screws, and the shell 31 is further totally enclosed; the bottom of the shell 31 is fixedly connected with the light bar shell 11 of the light bar 10 through screws; therefore, the waterproof structure and the processing technology become simple, and the waterproof effect is greatly improved; in addition, the thickness of the screw hole material extruded from the two ends of the profile of the distribution box shell 31 and used for fixing the second end cover 33 is just skillfully designed for fixing the screw hole of the distribution box cover 32.
The distribution box 30 further comprises a distribution box cover 32 fixedly arranged on the top of the shell 31, and the distribution box cover 32 is tightly connected with the shell 31 through screws; the exposed upper surface of the distribution box cover 32 is provided with heat radiating fins, and the top of the distribution box cover 32 is provided with two strip-shaped through holes 34 which can be used for installing components required by the distribution box 30 into the distribution box shell 31; because whole block terminal shell 31 length is longer, and the cross-section is the confined shape again, causes to install the spare part difficulty in to block terminal shell 31, above-mentioned two bar through-holes 34 just can compensate above-mentioned problem, and spare part can be followed through-hole 34 and got into block terminal shell 31 in, do benefit to the installation. Furthermore, after the distribution box 30 is installed, the power supply therein for providing power distribution for the light bar module 10 penetrates from the inside of the housing 31 to the outside of the through hole 34, so that the lower surface of the distribution box cover 32 covered with the housing 31 can be in contact with the power supply penetrating to the outside of the through hole 34, and heat can be conducted, thereby helping the power supply to dissipate heat; meanwhile, a heat dissipation adhesive layer is further arranged on the part of the lower surface of the power distribution box cover 32, which is covered with the shell 31 and is in contact with the power supply, so that heat dissipation is further facilitated.
The inner surface of the distribution box cover 32 is attached to the power supply penetrating through the through hole 34, and the contact part of the inner surface of the distribution box cover 32 and the power supply is coated with heat dissipation glue, so that heat dissipation can be accelerated.
The power distribution assembly in the distribution box housing 31 is the same as the existing large LED display screen distribution box in terms of parts, such as a power supply, a circuit adapter board, a power converter, a power driver, a receiving card, etc., and is used for providing power distribution and control signals for the light bar 10.
Be equipped with on the block terminal shell 31 with the circuit board electric connection's in the block terminal 30 interface, lamp strip 10 acquires the distribution and the signal of block terminal 30 through inserting this interface with power input end. The shell 31 of the distribution box of the outdoor naked display screen is also provided with a waterproof breathable respirator 35; because the display screen body distribution box 30 is a fully-closed structure with the protection grade of IP65, when the display screen is lighted for work, air pressure in the distribution box 30 is very high because the air is heated into hot air; when the LED display is off, the air cools and the pressure in the box 30 decreases. If the gas in the distribution box 30 escapes due to insufficient pressure of the sealing ring when lighting, the outside gas is forced to enter due to the reduction of the gas pressure after cooling, and moisture or humidity is forced to enter along with the gas during the entering process. The waterproof breathable respirator 35 is installed, so that the air pressure inside and outside the distribution box 30 can be always kept balanced, and the waterproof reliability is greatly improved.
Further, in the above embodiment, waterproof rings are attached to the joint between the distribution box housing 31 and the end cover 33 and the joint between the distribution box housing 31 and the distribution box cover 32.
According to the invention, the parts connecting parts of the lamp strip 10 and the distribution box 30 and the conductive parts are protected by waterproof measures, so that the problems that the maintenance cost is greatly increased and even the outdoor display screen is completely scrapped due to frequent water leakage of many conventional outdoor display screens are solved, the safety of the outdoor display screen is integrally improved, and the outdoor naked installation of the display screen is realized.
The distribution box shell 31 of the invention adopts extrusion forming with a completely closed section, and a convex rib 37 formed after extrusion is also left on the shell 31; the screw holes at the two ends of the shell 31 and connected with the end cover 33 are designed on the convex ribs 37 formed after extrusion, and the screw holes connected with the distribution box cover 32 are also designed on the convex ribs 37, so that the complex waterproof structure can be solved, and the whole waterproof structure of the aluminum alloy section box body 30 is simple and reliable.
In addition, according to the extruded aluminum alloy distribution box shell 31, the flatness and the dimensional consistency of the outer surface of the distribution box shell 31 are good at the two ends of the distribution box shell 31 matched with the end covers 33, so that the waterproof ring can be well installed at the joint of the distribution box shell 31 and the end covers 33. Compared with the existing distribution box made of metal plates, the distribution box is difficult to realize.
Referring to fig. 3 and 9, fig. 9 is a schematic structural view of the connection strip in fig. 1, in the above embodiment, the connection strip 20 of the present invention is used to integrally fix the light bar 10 on the connection strip 20, and the connection strip 20 and the light bar 10 are connected by screws. From the above, it is obvious that the invention adopts two connecting strips 20 to replace the original fixed mounting frame of the LED display screen, which not only simplifies the structure, reduces the product weight, makes the screen body light and thin, but also reduces the material cost and the processing cost.
The connecting strip 20 is also provided with a handle 21 for holding and carrying.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. An outdoor naked display screen comprises a light bar module and a distribution box for supplying power to the light bar module, and is characterized in that the light bar module comprises a plurality of light bars which are arranged in parallel; the outdoor naked display screen also comprises a connecting strip which is used for fixedly connecting a plurality of light bars of the light bar module and fixing the light bar module at a display screen mounting position;
the distribution box is fixedly connected with the lamp strip of the lamp strip module;
the light bar comprises a light bar bottom shell, and the light bar bottom shell is a long square with one open surface; a lamp panel and an LED lamp arranged on the lamp panel are fixedly arranged in the lamp strip bottom shell; first end covers are arranged at two ends of the light bar bottom shell; a second potting adhesive layer is arranged at the joint of the light bar bottom shell and the first end cover; an inner cavity is formed between the lamp panel and the lamp bar bottom shell; the first end cover comprises a sealing part for sealing the end face of the light bar bottom shell, a baffle part which is positioned in the inner cavity, the upper end of the baffle part is in contact with the lamp panel, the lower end of the baffle part is in contact with the bottom wall of the light bar bottom shell, and a connecting part for connecting the sealing part and the baffle part; the second pouring sealant layer is arranged between the baffle portion and the sealing portion.
2. The outdoor naked display screen of claim 1, wherein the distribution box is fixedly connected to the back surface of the light bar module and is arranged perpendicular to the light bar; the connecting strips are symmetrically distributed on two sides of the distribution box and are parallel to the distribution box.
3. The outdoor naked display screen according to claim 1, wherein a cover covering the opening of the light bar bottom case and fixedly connected with the light bar bottom case is arranged on the light bar bottom case; the LED lamp penetrates from the interior of the light bar bottom shell to the exterior of the face mask; a first potting adhesive layer is arranged on the lamp panel;
the lamp plate with be equipped with the space between the sealing, the space is used for supplying pouring sealant to flow into the inner chamber.
4. The outdoor naked display screen according to claim 3 wherein the visor is a ventilated opaque visor.
5. The outdoor naked display screen of claim 3 wherein the electrical box comprises an elongated housing and second end caps disposed at opposite ends of the housing;
the bottom surface of the shell is fixedly connected with the lamp strip shell of the lamp strip; a through hole is formed in the top surface of the shell; the distribution box also comprises a distribution box cover fixedly arranged on the top surface of the shell;
the shell, the second end cover and the power distribution box cover form a closed power distribution box body for containing the power distribution assembly; and the distribution box cover is provided with heat radiating fins.
6. The outdoor bare mounted display screen according to claim 5, wherein the bottom surface of the power distribution box cover is connected with a power supply contact penetrating from the inside of the housing to the outside of the through hole, and a heat dissipation glue layer is arranged at the contact part of the bottom surface of the power distribution box cover and the power supply.
7. The outdoor bare mounted display screen according to claim 5, wherein the joints of the two ends of the outer shell and the second end cover and/or the joints of the top surface of the outer shell and the distribution box cover are provided with waterproof rings.
8. The outdoor naked display screen according to claim 5 wherein the top and bottom surfaces of the housing have ribs; the convex edge is provided with a screw hole, and the screw penetrates through the screw hole to fixedly connect the top surface of the shell with the power distribution box cover and the bottom surface of the shell with the light bar.
9. The outdoor naked display screen according to claim 5, wherein the outer housing is provided with a waterproof breathable respirator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310354063.2A CN103456244B (en) | 2013-08-14 | 2013-08-14 | Outdoor non-packed display screen |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310354063.2A CN103456244B (en) | 2013-08-14 | 2013-08-14 | Outdoor non-packed display screen |
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| CN103456244A CN103456244A (en) | 2013-12-18 |
| CN103456244B true CN103456244B (en) | 2016-02-03 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9195281B2 (en) | 2013-12-31 | 2015-11-24 | Ultravision Technologies, Llc | System and method for a modular multi-panel display |
| US9582237B2 (en) | 2013-12-31 | 2017-02-28 | Ultravision Technologies, Llc | Modular display panels with different pitches |
| US9311847B2 (en) | 2014-07-16 | 2016-04-12 | Ultravision Technologies, Llc | Display system having monitoring circuit and methods thereof |
| CN108986675B (en) * | 2018-07-21 | 2020-07-07 | 福建省海佳集团股份有限公司 | Outdoor naked display screen |
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| CN201051346Y (en) * | 2007-05-17 | 2008-04-23 | 张俊强 | LED display screen |
| CN201117182Y (en) * | 2007-11-02 | 2008-09-17 | 深圳市锐拓显示技术有限公司 | LED aluminum alloy lamp strip display screen and large display screen employing the same |
| CN101546499A (en) * | 2009-05-05 | 2009-09-30 | 北京中庆微数字设备开发有限公司 | Transparent LED display screen |
| CN201748247U (en) * | 2010-07-23 | 2011-02-16 | 深圳市联建光电股份有限公司 | Shuttle-type LED lamp strip and shuttle-type LED grating display module |
| CN202905055U (en) * | 2012-10-09 | 2013-04-24 | 安徽四通显示科技股份有限公司 | Through-type LED display screen |
| CN203415183U (en) * | 2013-08-14 | 2014-01-29 | 深圳市艾比森光电股份有限公司 | Outdoor nude display screen |
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|---|---|
| CN103456244A (en) | 2013-12-18 |
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