CN215814970U - Lamp, LED lamp strip and LED grille screen - Google Patents

Abstract

The utility model relates to a lamp, an LED lamp strip and an LED grid screen, wherein the LED lamp strip comprises a section bar, a face mask and a display assembly, a containing cavity communicated with the outside is formed in the section bar, the face mask and the display assembly are arranged in the containing cavity, a through hole is formed in the face mask, the display assembly penetrates through the through hole to the outside of the containing cavity, the containing cavity comprises a bottom wall and at least two oppositely arranged side walls connected to the periphery of the bottom wall, second connecting parts are formed in the at least two oppositely arranged side walls, and first connecting parts fixedly connected with the second connecting parts are arranged on the two opposite side faces of the face mask. The face shield is arranged in the accommodating cavity, the width of the LED lamp strips outside the accommodating cavity can be reduced relative to the face shield, so that the width of the gap between every two adjacent LED lamp strips is increased relatively, and the permeability of the LED grille screen is improved. This LED grille screen includes above-mentioned LED lamp strip, has higher penetrating rate. The lamp comprises the LED lamp strip and has high permeability.

Description

Lamp, LED lamp strip and LED grille screen

Technical Field

The utility model relates to the technical field of lamps, in particular to a lamp, an LED lamp bar and an LED grid screen.

Background

An LED grid screen is a display screen for displaying various information such as characters, graphics, images, animation, quotations, videos, and video signals by controlling the display mode of a semiconductor light emitting diode. The LED grille screen is composed of a plurality of grid-shaped semiconductors, each grid is provided with an LED semiconductor (LED lamp), and the LED grille screen has the advantages of high brightness, low working voltage, low power consumption, miniaturization, easy matching with an integrated circuit, simple driving, long service life, impact resistance, stable performance and the like. The LED grille screen is mainly used for the brightening effect of outdoor advertisement screens of buildings or buildings at present.

However, the current LED grid screen has low transmittance, which affects the lighting in the building and causes poor viewing angle.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a lamp, an LED light bar and an LED grille screen for improving the transmittance of the LED grille screen and increasing the viewing angle.

The utility model provides a LED lamp strip, LED lamp strip includes section bar, face guard, display module, set up on the section bar with the chamber that holds of external intercommunication, face guard and display module locate hold the intracavity, the through-hole has been seted up on the face guard, display module wears to establish the through-hole extremely hold the chamber outside, it includes the diapire and connects the lateral wall at two at least relative settings of diapire periphery to hold the chamber, at least two relative settings the second connecting portion have been seted up on the lateral wall, be equipped with on the relative both sides face of face guard with second connecting portion fixed connection's first connecting portion.

In one embodiment, the first connecting portion is a clamping block, the second connecting portion is a clamping groove, and the clamping block is in clamping fit with the clamping groove so that the mask and the section bar are relatively fixed.

In one embodiment, a first wedge-shaped surface is arranged on the clamping block, the first wedge-shaped surface is arranged at one end of the clamping block, which is far away from the mask, and the first wedge-shaped surface is arranged on one side surface of the clamping block, which is close to the bottom wall.

In one embodiment, the fixture block is further provided with a second wedge-shaped surface, and the second wedge-shaped surface is opposite to the first wedge-shaped surface.

In one embodiment, the profile and/or the first connection is an elastic element.

In one embodiment, the section bar comprises a first side surface, the accommodating cavity is communicated with the outside at the first side surface, the mask comprises a second side surface, the second side surface is a surface of the mask far away from the bottom wall, the through hole is formed in the second side surface, and the second side surface and the first side surface are positioned on the same plane; or

The second side surface is parallel to the first side surface, and the second side surface is positioned in the accommodating cavity.

In one embodiment, the display module comprises a lamp panel and a lamp bead, a step is arranged on the side wall, the lamp panel is arranged on the step, the lamp bead and the lamp panel are far away from one side electric connection of the bottom wall, and the lamp bead penetrates through the through hole to the outside of the accommodating cavity.

In one embodiment, the mask is provided with a plurality of through holes and a plurality of first connecting portions, the positions of the first connecting portions on the mask correspond to the positions of the through holes, and each through hole corresponds to at least two first connecting portions respectively arranged on two side surfaces of the mask.

An LED grille screen comprises the LED lamp strip;

the bottom shell is used for bearing the LED lamp strips, the LED lamp strips are arranged on the bottom shell side by side at intervals, and the LED lamp strips are fixedly connected with the bottom shell.

A lamp comprises the LED lamp strip.

Above-mentioned LED lamp strip is located through making the face guard and is held the intracavity, locates the width that holds the chamber outside can reduce LED lamp strip for making the face guard to the width in the clearance between the adjacent two LED lamp strips of relative increase, and then improved the penetrating rate of LED grille screen.

Drawings

FIG. 1 is a schematic diagram of an LED grid screen provided in one embodiment;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a cross-sectional view of the LED light bar of the LED grille screen of FIG. 2;

fig. 4 is a schematic axial view of a face mask of the LED light bar shown in fig. 3.

Reference numerals: 10. an LED grid screen; 100. an LED light bar; 110. a section bar; 111. an accommodating chamber; 112. a bottom wall; 113. a side wall; 113a, a step; 113b, a second connecting part; 114. a first side surface; 120. a display component; 121. a lamp panel; 122. a lamp bead; 130. a face mask; 131. a through hole; 132. a third wedge face; 133. a first connection portion; 133a, a first wedge-facet; 133b, a second wedge-face; 134. a second side surface; 200. a bottom case; 400. and (4) arranging needles.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" 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," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1, fig. 1 shows a schematic view of an LED grid screen 10 according to an embodiment of the present invention, and the LED grid screen 10 according to an embodiment of the present invention includes a plurality of LED light bars 100 and a bottom chassis 200. Bottom shell 200 is used for bearing LED light bar 100, and a plurality of LED light bars 100 are arranged on bottom shell 200 side by side and at intervals, and LED light bar 100 is fixedly connected with bottom shell 200. Specifically, the plurality of LED light bars 100 are uniformly spaced and arranged on the bottom case 200 side by side, so that the display assemblies 120 on the LED light bars 100 are uniformly arranged, and the display effect is enhanced; on the other hand, gaps exist among the LED light bars 100 through the interval arrangement, so that the LED grille screen 10 is prevented from blocking the sight, and the LED grille screen 10 has permeability.

Referring to fig. 2, in one embodiment, the LED grid screen 10 further includes a power signal board (not shown) and pins 400. The power signal board is fixedly connected with one side face, far away from the LED light bar 100, of the bottom case 200, and the pin header 400 penetrates through the bottom plate. The power supply signal board passes through row needle 400 and a plurality of LED lamp strip 100 electric connection. Therefore, the LED grille screen 10 is controlled to be opened and closed through the power supply signal plate, and display information is transmitted to the LED lamp strips 100 through the power supply signal plate, so that the display function of the LED lamp strips 100 is realized.

Referring to fig. 2, in one embodiment, LED light bar 100 includes a profile 110, a mask 130, and a display assembly 120. The section bar 110 is provided with a containing cavity 111 communicated with the outside, and the mask 130 and the display component 120 are arranged in the containing cavity 111. The mask 130 is provided with a through hole 131, and the display module 120 penetrates through the through hole 131 to the outside of the accommodating cavity 111. The accommodating cavity 111 includes a bottom wall 112 and at least two opposite side walls 113 connected to the periphery of the bottom wall 112, and second connecting portions 113b are opened on the at least two opposite side walls 113. The opposite side surfaces of the mask 130 are provided with first connection parts 133 fixedly connected with the second connection parts 113 b. Specifically, the second connection portion 113b is provided on the side wall 113 of the accommodating chamber 111, and the first connection portion 133 fixedly connected to the second connection portion 113b is provided on the mask 130, so that the mask 130 can be fixed in the accommodating chamber 111. Compared with the case that the face shield 130 is arranged outside the accommodating cavity 111, namely, compared with the case that the face shield 130 is fixedly connected with the external structure of the profile 110, the width of the LED light bar 100 can be relatively reduced by fixedly connecting the first connecting part 133 on the face shield 130 with the second connecting part 113b positioned in the accommodating cavity 111. In other words, by fixing the face cover 130 in the accommodating cavity 111, the distance between two adjacent LED light bars 100 can be relatively increased under the condition that the overall size of the LED grille screen 10 is not changed, so that the permeability of the LED grille screen 10 is relatively improved.

In the above embodiment, the two opposite side walls 113 of the accommodating cavity 111 are respectively provided with the second connecting portions 113b, the two opposite side walls 113 of the accommodating cavity 111 on the mask 130 are respectively provided with the first connecting portions 133, and the first connecting portions 133 are fixedly connected with the second connecting portions 113 b.

Referring to fig. 3, in one embodiment, the profile 110 includes a first side 114, and the receiving cavity 111 is connected to the outside at the first side 114. The face shield 130 includes a second side 134, the second side 134 being the side of the face shield 130 that is distal from the bottom wall 112. The through hole 131 is opened on the second side 134, and the second side 134 and the first side 114 are located on the same plane. By providing the second side 134 in the same plane as the first side 114, i.e. on the side of the LED grille panel 10 from which the image is output, the cover 130 is flush with the profile 110. Because the display component 120 is disposed in the accommodating cavity 111, and the display component 120 penetrates through the through hole 131 to the outside of the accommodating cavity 111, the viewable angle of the LED grid screen 10 can be increased by making the face mask 130 flush with the profile 110. The above-mentioned viewable viewing angle means that the LED grille 10 is usually installed on a building such as a building, that is, the installation position of the LED grille 10 has a certain height relative to the ground, and if the face shield 130 is protruded from the accommodating cavity 111, a part of the content displayed on the LED grille 10 viewed by the viewer on the ground is blocked by the protruded face shield 130. In other words, for a viewer looking at the LED grille 10 through a bottom view, if the face cover 130 is disposed to protrude from the receiving cavity 111, the face cover 130 will be caused to block the display assembly 120 that also protrudes from the receiving cavity 111. Therefore, by making the second side 134 of the face shield 130 and the first side 114 of the section bar 110 be located on the same plane, the viewable angle of the viewer can be relatively increased without changing the structural size of the section bar 110 and the display assembly 120, and the display effect of the LED grille screen 10 can be further improved.

In one embodiment, to reduce the difficulty of processing and installation, the first side surface 114 and the second side surface 134 may be arranged in parallel, and the second side surface 134 is located in the accommodating cavity 111. Even if the mask 130 is completely located inside the receiving cavity 111.

In one embodiment, the first connecting portion 133 is a clip, and the second connecting portion 113b is a clip, the clip is engaged with the clip, so that the mask 130 and the profile 110 are fixed relatively. The fitting of the latch and the slot can facilitate the installation of the mask 130 on the profile 110, and also facilitate the mask 130 to be fixed with the profile 110.

In one embodiment, the profile 110 and/or the first connection 133 are elastic. The attachment and detachment of the mask 130 can be facilitated by providing the profile 110 and/or the first connection portion 133 as elastic members.

In one embodiment, the first wedge surface 133a is disposed on the latch, the first wedge surface 133a is disposed on an end of the latch away from the face shield 130, and the first wedge surface 133a is disposed on a sidewall 113 of the latch near the bottom wall 112. Because the clamping block is matched with the clamping groove in a clamping manner, the side face, close to the bottom wall 112, of one end, far away from the mask 130, of the clamping block is provided with the wedge-shaped face, so that the mask 130 can be conveniently installed. Specifically, a side surface of the fixture block close to the bottom wall 112 contacts a side surface of the profile 110 first when the fixture block is installed, and a first wedge-shaped surface 133a is arranged on the side surface of the fixture block close to the bottom wall 112, so that the panel can be pressed into the accommodating cavity 111 conveniently, the fixture block is clamped and matched with the clamping groove, and the mask 130 is fixed relative to the profile 110.

In one embodiment, the latch further has a second wedge surface 133b, and the second wedge surface 133b is opposite to the first wedge surface 133 a. By providing a second wedge-shaped surface 133b opposite the first wedge-shaped surface 133a, the mask 130 can be easily removed from the profile 110, thereby facilitating replacement of the display assembly 120 and maintenance of related malfunctions.

Furthermore, the clamping block is provided with the second wedge-shaped surface 133b opposite to the first wedge-shaped surface 133a, so that the front and the back of the face shield 130 are not required to be distinguished when the face shield is installed, the LED light bar 100 is convenient to assemble, and the assembling efficiency of the LED light bar 100 is improved.

In one embodiment, the display assembly 120 includes a lamp panel 121 and a lamp bead 122. The sidewall 113 is provided with a step 113a, and the lamp panel 121 is disposed on the step 113 a. One side electric connection of diapire 112 is kept away from to lamp pearl 122 and lamp plate 121, and through-hole 131 is worn to establish to the lamp pearl 122 outside holding chamber 111. Specifically, the power supply signal board passes through pin header 400 and lamp plate 121 electric connection, and lamp plate 121 and lamp pearl 122 electric connection. Thereby can be through the content that a plurality of lamp pearls 122 of power signal board and lamp plate 121 control show, regulate and control the content that LED grille screen 10 shows promptly.

In one embodiment, the shape and size of the through hole 131 are the same as the shape and size of the lamp bead 122 on a cross section of the through hole 131. Through setting up through-hole 131 shape and size and lamp pearl 122's shape and size the same, be favorable to guaranteeing to hold the sealed in the chamber 111, prevent that interferents such as dust or rainwater from getting into and holding chamber 111, and have certain waterproof, dustproof effect.

In one embodiment, the lamp panel 121 is fixed to the step 113a by pouring sealant into the profile 110. Even though the display assembly 120 remains relatively fixed with respect to the profile 110. Meanwhile, the sealant can also protect the lamp panel 121 from interference of external factors such as rainwater, and the waterproofness of the LED light bar 100 is further enhanced.

In one embodiment, a third wedge 132 is disposed on a side of the face shield 130 adjacent to the bottom wall 112, and the third wedge 132 is disposed around the through hole 131. Since the face mask 130 needs to be pressed into the receiving cavity 111 so that the first connecting portion 133 is fixedly connected by the second connecting portion 113b, and the shape and size of the through hole 131 are the same as those of the lamp bead 122 on a cross section of the through hole 131, the face mask 130 is easy to damage the lamp bead 122 during installation. Thereby through set up the third wedge face 132 around through-hole 131 on face guard 130, can make face guard 130 when the equipment is pressed in, third wedge face 132 has the effect of spacing direction gradually to lamp pearl 122, and then reduces face guard 130 and bumps the risk of bad lamp pearl 122.

Referring to fig. 4, in an embodiment, the mask 130 is provided with a plurality of through holes 131 and a plurality of first connecting portions 133, the positions of the first connecting portions 133 on the mask 130 correspond to the positions of the through holes 131, and each through hole 131 corresponds to at least two first connecting portions 133 respectively disposed on two side surfaces of the mask 130. Through setting up the position and the quantity of first connecting portion 133 and corresponding with through-hole 131, make face guard 130 card establish into section bar 110 after, sealing profile 110 that can be more stable improves the ability of LED grille screen 10 anti interference such as wind and rain. It should be understood that the arrangement and number of the plurality of through holes 131 and the plurality of first connecting portions 133 may be modified adaptively as required, and specifically, for example, four first connecting portions 133 may be arranged corresponding to each through hole 131, wherein two of the four first connecting portions 133 are arranged on two sides of the mask 130.

In one embodiment, a light fixture includes LED light bar 100. Specifically, compared with the LED light bar 100 with the face shield 130 arranged outside the profile 110, the LED light bar 100 with the face shield 130 arranged inside the accommodating cavity 111 can increase the permeability of the lamp and improve the visual angle of the lamp.

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 invention, 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 inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. The utility model provides a LED lamp strip, its characterized in that, LED lamp strip includes section bar, face guard, display module, set up on the section bar with the chamber that holds of external intercommunication, face guard and display module locate hold the intracavity, the through-hole has been seted up on the face guard, display module wears to establish the through-hole extremely hold the chamber outside, hold the chamber and include the diapire and connect the lateral wall at two at least relative settings of diapire periphery, at least two relative settings the second connecting portion have been seted up on the lateral wall, be equipped with on the relative both sides face of face guard with second connecting portion fixed connection's first connecting portion.

2. The LED lamp strip of claim 1, wherein the first connecting portion is a clamping block, the second connecting portion is a clamping groove, and the clamping block is in clamping fit with the clamping groove so that the mask and the profile are relatively fixed.

3. The LED light bar of claim 2, wherein a first wedge-shaped surface is disposed on the fixture block, the first wedge-shaped surface is disposed on an end of the fixture block away from the mask, and the first wedge-shaped surface is disposed on a side surface of the fixture block close to the bottom wall.

4. The LED light bar of claim 3, wherein the fixture block further comprises a second wedge surface, and the second wedge surface is opposite to the first wedge surface.

5. The LED light bar of claim 1, wherein the profile and/or the first connecting portion is a resilient member.

6. The LED light bar of claim 1, wherein the section bar comprises a first side surface, the accommodating cavity is communicated with the outside at the first side surface, the face shield comprises a second side surface, the second side surface is a surface of the face shield far away from the bottom wall, the through hole is formed in the second side surface, and the second side surface and the first side surface are located on the same plane; or

The second side surface is parallel to the first side surface, and the second side surface is positioned in the accommodating cavity.

7. The LED lamp bar of claim 1, wherein the display assembly comprises a lamp panel and a lamp bead, a step is arranged on the side wall, the lamp panel is arranged on the step, the lamp bead is electrically connected with one side of the lamp panel, which is far away from the bottom wall, and the lamp bead penetrates through the through hole to the outside of the accommodating cavity.

8. The LED light bar of claim 1, wherein the face mask is provided with a plurality of through holes and a plurality of first connecting portions, the first connecting portions are located on the face mask at positions corresponding to the through holes, and each through hole corresponds to at least two first connecting portions respectively located on two side surfaces of the face mask.

9. An LED grid screen, comprising:

a plurality of LED light bars as claimed in any one of claims 1 to 8;

the bottom shell is used for bearing the LED lamp strips, the LED lamp strips are arranged on the bottom shell side by side at intervals, and the LED lamp strips are fixedly connected with the bottom shell.

10. A light fixture comprising the LED light bar of any one of claims 1 to 8.

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