An elevation adjustable LED display screen

Abstract

The application relates to the technical field of LED display screens, in particular to an elevation-adjustable LED display screen which comprises a screen body, a screen seat, a base and a supporting column, the screen seat is connected with the base through a supporting seat, the screen body is arranged on the screen seat, the supporting column is movably connected with the screen seat, a plug is arranged on the supporting column, the LED display screen further comprises an angle adjusting module arranged between the screen seat and the supporting column and used for adjusting the angle between the screen seat and the supporting column, and a light intensity adjusting module arranged between the screen seat and the supporting column. The whole device has high automation degree, can monitor the angle change of the screen body in real time, can automatically adjust the light-emitting brightness of the screen body during work according to the real-time angle of the screen body, can give the user the best screen brightness when the screen body is placed at different angles, and effectively protects the eyes of the user.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of LED display screen, more particularly to an LED display screen with adjustable elevation angle. BACKGROUND

[0002] With the rapid development of LED display screen technology in recent years, the process is gradually mature, and now there are LED display screens in the streets and alleys. Outdoor display screens at the entrance of residential areas, small advertising machines at the entrances of stores, LED transparent display screens on the outer walls of shopping malls, LED cylindrical screens, indication screens, spherical screens, L screens, and small-pitch LED screens commonly used in news broadcasting halls, etc. The use of LED display screens is becoming more and more widespread.

[0003] In the IT industry, when using LED display screens as computer display screens, due to different use habits and sitting postures of different users, the elevation angle of the display screen needs to be adjusted. The existing display screen elevation angle adjustment process has the following defects:

[0004] Although the existing LED display screen can adjust the elevation angle, if the elevation angle adjustment still maintains the initial working brightness, it is easy to cause discomfort to the user's eyes during work, and the worker needs to adjust the screen brightness after adjusting the angle, which is very inconvenient. SUMMARY

[0005] The purpose of the present application is to provide an LED display screen with adjustable elevation angle to solve the problems raised in the background art.

[0006] To achieve the above purpose, the present application provides the following technical solutions:

[0007] An LED display screen with adjustable elevation angle, comprising a screen body, a screen seat, a base, and a support column, the screen seat is connected to the base through a support seat, the screen body is arranged on the screen seat, the support column is movably connected to the screen seat, the support column is provided with a plug, and the LED display screen further comprises:

[0008] An angle adjustment module arranged between the screen seat and the support column for adjusting the angle between the screen seat and the support column; and

[0009] A light intensity adjustment module arranged between the screen seat and the support column, which can control the light intensity adjustment module to work and adjust the brightness of the screen body when the angle between the screen seat and the support column changes.

[0010] Further technical solutions of the present application: the angle adjustment module comprises an adjustment box, a turntable, a clamping strip, a sliding block, and a power element.

[0011] The adjusting box is arranged on the supporting column, the rotating disc is movably arranged in the adjusting box and coaxially connected with the screen seat, a plurality of clamping grooves are equidistantly arranged on the outer wall of the rotating disc, the sliding block is movably arranged in the adjusting box and elastically connected with the adjusting box, the power element is arranged between the sliding block and the adjusting box and can adjust the position of the sliding block in the adjusting box, the clamping strip is arranged on the sliding block, and the clamping groove is located on the movement path of the clamping strip.

[0012] Further technical solutions of the present application: the light intensity adjusting module comprises:

[0013] The first piston is movably arranged in the cavity formed in the supporting column;

[0014] The sliding seat is movably arranged on the supporting column and connected with the supporting column through the elastic element, the sliding seat is movably connected with the screen seat through the push arm, and the sliding seat is connected with the first piston;

[0015] The guide rod is arranged on the base;

[0016] The movable seat is movably arranged on the guide rod, the movable seat and the base are connected through the air cylinder, and the fixed end of the air cylinder is communicated with the cavity; and

[0017] The monitoring element is arranged between the guide rod and the movable seat, and is used for monitoring the position of the movable seat on the guide rod and adjusting the brightness of the screen body.

[0018] Further technical solutions of the present application: the monitoring element comprises a resistance strip and a conductive head, the resistance strip is arranged on the guide rod, the conductive head is arranged on the movable seat and slidably matched with the resistance strip, and the conductive head, the resistance strip and the screen body are electrically connected.

[0019] Further technical solutions of the present application: the LED display screen further comprises a fixing module arranged between the base and the screen seat, and the base can be fixed on the supporting surface through the fixing module when the angle of the screen seat changes.

[0020] Further technical solutions of the present application: the fixing module comprises:

[0021] The suction disc is arranged on the base; and

[0022] The air extraction unit is arranged on the screen seat and communicated with the suction disc, and is used for extracting air between the suction disc and the supporting surface.

[0023] Further technical solutions of the present application: the air extraction unit comprises an air extraction box, a second piston and a pressing handle;

[0024] The suction box is mounted on the screen base. The second piston is movably mounted inside the suction box and the two are elastically connected. The pressure handle is movably mounted on the suction box and connected to the second piston. The suction box is connected to the suction cup. Electrode plates are provided on the opposite surfaces of the second piston and the suction box. The electrode plates are electrically connected to the power element.

[0025] Compared with the prior art, the technical solution provided by the embodiments of the present invention has the following beneficial effects:

[0026] This invention employs a linkage between an angle adjustment module and a light intensity adjustment module. This allows the angle adjustment module to adjust the angle between the screen body and the support column while simultaneously controlling the light intensity adjustment module to work synchronously. The entire device is highly automated, capable of real-time monitoring of the screen body's angle changes, and automatically adjusting the screen body's brightness based on its real-time angle. This ensures that the screen body provides optimal brightness to the user when placed at different angles, effectively protecting the user's eyes. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the structure of the adjustable-angle LED display screen in an embodiment of the present invention;

[0028] Figure 2 This is a schematic diagram of the angle adjustment module in the tilt-adjustable LED display screen according to an embodiment of the present invention;

[0029] Figure 3 This is an enlarged structural diagram of point A in the adjustable-elevation LED display screen according to an embodiment of the present invention;

[0030] Figure 4 This is an enlarged structural diagram of point B in the adjustable-elevation LED display screen in an embodiment of the present invention;

[0031] Figure 5 This is a schematic diagram of the structure of the turntable in the adjustable-angle LED display screen according to an embodiment of the present invention.

[0032] Explanation of the labels in the diagram:

[0033] 1-Screen body, 2-Screen base, 3-Base, 4-Plug, 5-Angle adjustment module, 51-Adjustment box, 52-Turntable, 53-Card slot, 54-Card strip, 55-Slider, 56-Electromagnetic ring, 6-Support column, 7-Sliding seat, 8-Push arm, 9-Spring, 10-Piston No. 1, 11-Suction cup, 12-Evacuation box, 13-Pressure handle, 14-Piston No. 2, 15-Electrode plate, 16-Guide rod, 17-Resistor strip, 18-Cylinder, 19-Modible seat, 20-Conductive head. Detailed Implementation

[0034] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by a person of ordinary skill in the art without creative effort belong to the scope of protection of the present application. The present application will be further described below with reference to the embodiments.

[0035] Please refer to Figures 1-5 In an embodiment of the present application, an elevation-adjustable LED display screen comprises a screen body 1, a screen seat 2, a base 3 and a support column 6. The screen seat 2 is connected with the base 3 through a support seat. The screen body 1 is arranged on the screen seat 2. The support column 6 is movably connected with the screen seat 2. The support column 6 is provided with a plug 4. The LED display screen further comprises:

[0036] an angle adjusting module 5 arranged between the screen seat 2 and the support column 6, for adjusting the angle between the screen seat 2 and the support column 6; and

[0037] a light intensity adjusting module arranged between the screen seat 2 and the support column 6. When the angle between the screen seat 2 and the support column 6 changes, the light intensity adjusting module can be controlled to work and adjust the brightness of the screen body 1.

[0038] In the embodiment, the angle adjusting module 5 comprises an adjusting box 51, a rotating disc 52, a clamping strip 54, a sliding block 55 and a power element.

[0039] The adjusting box 51 is arranged on the support column 6. The rotating disc 52 is movably arranged in the adjusting box 51 and coaxially connected with the screen seat 2. A plurality of clamping grooves 53 are equidistantly arranged on the outer wall of the rotating disc 52. The sliding block 55 is movably arranged in the adjusting box 51 and elastically connected with the adjusting box 51. The power element is arranged between the sliding block 55 and the adjusting box 51 and can adjust the position of the sliding block 55 in the adjusting box 51. The clamping strip 54 is arranged on the sliding block 55. The clamping grooves 53 are located on the moving path of the clamping strip 54.

[0040] It should be particularly pointed out that the power element can be a linear motor, an electric cylinder or a hydraulic cylinder. In the embodiment, the power element is preferably a group of electromagnet rings 56 which are attracted to each other when electrified. The electromagnet rings 56 are arranged on the opposite surfaces of the sliding block 55 and the adjusting box 51. The specific model parameters of the electromagnet rings 56 are not limited here.

[0041] When the user needs to adjust the angle between the screen body 1 and the support column 6, the electromagnet rings 56 are controlled to be electrified and attracted to each other, so that the sliding block 55 is moved along the clamping strip 54 to the position where the clamping grooves 53 are located, thereby adjusting the angle between the screen seat 2 and the support column 6. Figure 2The card strip 54 is pulled out from the card slot 53 in the right direction shown in the figure, at this time, the screen body 1 and the screen seat 2 are pulled, so that the screen seat 2 and the rotating disc 52 rotate, after the angle adjustment of the screen body 1 is completed, the electromagnetic ring 56 is powered off, so that the slider 55 and the card strip 54 reset and are inserted into the card slot 53, thereby realizing the angle adjustment of the screen body 1, in the process of the angle adjustment of the screen body 1, the light intensity adjustment module can be synchronously worked, the light intensity adjustment module can automatically adjust the brightness of the screen body 1 during working according to the angle between the screen body 1 and the supporting column 6, so that the screen body 1 can give the user the best brightness under different angle placements, and the user can be prevented from causing eye injury due to improper use.

[0042] Please refer to Figure 1 and Figure 4 As another preferred embodiment of the present application, the light intensity adjustment module comprises:

[0043] A first piston 10 movably arranged in a cavity formed in the supporting column 6;

[0044] A sliding seat 7 movably arranged on the supporting column 6 and connected therebetween through an elastic member, the sliding seat 7 is further movably connected with the screen seat 2 through a push arm 8, and the sliding seat 7 is connected with the first piston 10;

[0045] A guide rod 16 arranged on the base 3;

[0046] A movable seat 19 movably arranged on the guide rod 16, the movable seat 19 and the base 3 are connected through a pneumatic cylinder 18, and a fixed end of the pneumatic cylinder 18 is communicated with the cavity; and

[0047] A monitoring element arranged between the guide rod 16 and the movable seat 19, for monitoring the position of the movable seat 19 on the guide rod 16 and adjusting the brightness of the screen body 1.

[0048] In the embodiment, the monitoring element comprises a resistance strip 17 and a conductive head 20, the resistance strip 17 is arranged on the guide rod 16, the conductive head 20 is arranged on the movable seat 19 and slidably matched with the resistance strip 17, and the conductive head 20, the resistance strip 17 and the screen body 1 are electrically connected.

[0049] Non-limitingly, the elastic member can be a spring 9, a spring sheet or an elastic steel plate structure, in the embodiment, the elastic member is preferably the spring 9, the spring 9 is connected between the sliding seat 7 and the supporting column 6, and the specific model of the spring 9 is not limited here.

[0050] It needs to be particularly pointed out that the monitoring element is not limited to the mechanical replacement structure, and can also be replaced by an infrared distance sensor or a laser distance sensor, which are not listed one by one here.

[0051] When the angle between the screen seat 2 and the support column 6 is adjusted, the movement of the screen seat 2 can drive the sliding seat 7 to move up and down along the support column 6 in the vertical direction by means of the push arm 8, thereby driving the first piston 10 to move in the cavity, so as to extrude the air in the cavity into the air cylinder 18 or draw the air in the air cylinder 18 into the cavity, thereby controlling the air cylinder 18 to extend or retract according to the rotation angle and rotation direction of the screen seat 2, driving the movable seat 19 to move along the guide rod 16, and according to the rotation angle and rotation direction of the screen seat 2, the conductive head 20 contacts the corresponding position on the resistance strip 17, so as to access the resistance with the corresponding resistance value of the screen body 1, thereby realizing the adjustment of the brightness of the screen body 1 during work. The whole device has high automation degree, can monitor the angle change of the screen body 1 in real time, and can automatically adjust the luminous brightness of the screen body 1 during work according to the real-time angle of the screen body 1, so that the screen body 1 can give the user the best screen brightness when placed at different angles, effectively protecting the user's eyes.

[0052] Please refer to Figures 1-3 As another preferred embodiment of the present application, the LED display screen further comprises a fixing module arranged between the base 3 and the screen seat 2, which can fix the base 3 on the support surface when the angle of the screen seat 2 changes.

[0053] In a specific case of the present embodiment, the fixing module comprises:

[0054] a suction cup 11 arranged on the base 3; and

[0055] an air extraction unit arranged on the screen seat 2 and communicating with the suction cup 11, for extracting the air between the suction cup 11 and the support surface.

[0056] In another specific case of the present embodiment, the air extraction unit comprises an air extraction box 12, a second piston 14 and a pressing handle 13.

[0057] The air extraction box 12 is arranged on the screen seat 2, the second piston 14 is movably arranged in the air extraction box 12 and elastically connected with the air extraction box 12, the pressing handle 13 is movably arranged on the air extraction box 12 and connected with the second piston 14, the air extraction box 12 communicates with the suction cup 11, and the second piston 14 and the air extraction box 12 are both provided with electrode sheets 15 on the opposite surfaces thereof, and the electrode sheets 15 are electrically connected with the power element.

[0058] When the angle of the screen body 1 is adjusted, the user holds the pressing handle 13 and the screen seat 2 with his hand, and when the pressing handle 13 is held tightly, the second piston 14 can be driven to move along the air extraction box 12 like Figure 3The air between the suction disc 11 and the support surface is sucked into the suction box 12 in the direction shown to the right, so that the suction disc 11 and the support surface are fixed by suction, and the electrode pieces 15 are contacted, the electromagnetic ring 56 is triggered to be electrified, the slider 55 and the clamping strip 54 are separated from the clamping groove 53, at this time, the user can move the screen seat 2 along the place where the hand holds, so as to realize the adjustment of the angle between the screen body 1 and the support seat, the whole process can be operated by one hand, without the user fixing the whole LED display screen by using the other hand, the operation steps of the screen angle adjustment are simplified.

[0059] The working principle of the present application is as follows:

[0060] When the angle of the screen body 1 is adjusted, the user holds the pressure handle 13 and the screen seat 2 with the hand, when holding the pressure handle 13, the second piston 14 can be driven to move along the suction box 12 Figure 3 to the right in the direction shown, so that the air between the suction disc 11 and the support surface is sucked into the suction box 12, the suction disc 11 and the support surface are fixed by suction, and the electrode pieces 15 are contacted, the electromagnetic ring 56 is triggered to be electrified, the slider 55 and the clamping strip 54 are separated from the clamping groove 53, at this time, the user can move the screen seat 2 along the place where the hand holds, so as to realize the adjustment of the angle between the screen body 1 and the support seat, the whole process can be operated by one hand, without the user fixing the whole LED display screen by using the other hand, the operation steps of the screen angle adjustment are simplified. In this process, the movement of the screen seat 2 can drive the sliding seat 7 to move up and down along the support column 6 in the vertical direction by using the push arm 8, so as to drive the first piston 10 to move in the cavity, the air in the cavity can be squeezed into the air cylinder 18 or the air in the air cylinder 18 can be sucked into the cavity, so as to control the air cylinder 18 to stretch and shrink according to the rotation angle and rotation direction of the screen seat 2, drive the movable seat 19 to move along the guide rod 16, according to the rotation angle and rotation direction of the screen seat 2, the conductive head 20 is contacted with the corresponding position on the resistance strip 17, so as to access the resistance with the corresponding resistance value of the screen body 1, realize the adjustment of the brightness of the screen body 1 when working, the whole device has high automation degree, can monitor the angle change of the screen body 1 in real time, and can automatically adjust the luminous brightness of the screen body 1 when working according to the real-time angle of the screen body 1, so that the screen body 1 can give the user the best screen brightness when placed at different angles, and the eyes of the user are effectively protected.

[0061] The above description of the present application and its embodiments is illustrative, and is not restrictive, and the embodiments shown in the drawings are only one of the embodiments of the present application, and the actual structure is not limited thereto. Therefore, if a person skilled in the art is inspired by it, without departing from the purpose of the present application, similar structural modes and embodiments can be designed without creativity, which should belong to the protection scope of the present application.

[0062] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes only one independent technical solution, and the specification is described in this way only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. An adjustable-angle LED display screen, comprising a screen body, a screen base, a base, and a support column, wherein the screen base is connected to the base via a support column, the screen body is mounted on the screen base, the support column is movably connected to the screen base, and the support column is provided with a plug, characterized in that, The LED display screen further comprises: An angle adjusting module is arranged between the screen seat and the supporting column, and is used for adjusting the angle between the screen seat and the supporting column; the angle adjusting module comprises an adjusting box, a rotating disc, a clamping strip, a sliding block and a power element; the adjusting box is arranged on the supporting column, the rotating disc is movably arranged in the adjusting box and coaxially connected with the screen seat, a plurality of clamping grooves are equidistantly arranged on the outer wall of the rotating disc, the sliding block is movably arranged in the adjusting box and elastically connected with the rotating disc, the power element is arranged between the sliding block and the adjusting box and is used for adjusting the position of the sliding block in the adjusting box, the clamping strip is arranged on the sliding block, and the clamping grooves are located on the moving path of the clamping strip; and A light intensity adjusting module is arranged between the screen seat and the supporting column, and can control the light intensity adjusting module to work and adjust the brightness of the screen body when the angle between the screen seat and the supporting column changes; the light intensity adjusting module comprises a first piston movably arranged in a cavity formed in the supporting column, a sliding seat movably arranged on the supporting column and elastically connected with the supporting column, the sliding seat is further movably connected with the screen seat through a push arm, the sliding seat is connected with the first piston, a guide rod is arranged on the base, a movable seat is movably arranged on the guide rod, the movable seat is connected with the base through a pneumatic cylinder, the fixed end of the pneumatic cylinder is communicated with the cavity, and a monitoring element is arranged between the guide rod and the movable seat and is used for monitoring the position of the movable seat on the guide rod and adjusting the brightness of the screen body; the monitoring element comprises a resistance strip and a conductive head, the resistance strip is arranged on the guide rod, the conductive head is arranged on the movable seat and is in sliding fit with the resistance strip, and the conductive head, the resistance strip and the screen body are electrically connected; The LED display screen further comprises a fixing module arranged between the base and the screen seat, and used for fixing the base on the supporting surface through the fixing module when the angle of the screen seat changes; the fixing module comprises a suction cup arranged on the base and an air extraction unit arranged on the screen seat and communicated with the suction cup and used for extracting air between the suction cup and the supporting surface; the air extraction unit comprises an air extraction box, a second piston and a pressing handle; the air extraction box is arranged on the screen seat, the second piston is movably arranged in the air extraction box and elastically connected with the air extraction box, the pressing handle is movably arranged on the air extraction box and connected with the second piston, the air extraction box is communicated with the suction cup, electrode sheets are arranged on the opposite surfaces of the second piston and the air extraction box, and the electrode sheets are electrically connected with the power element.

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