CN215495805U

CN215495805U - Display screen

Info

Publication number: CN215495805U
Application number: CN202120516899.8U
Authority: CN
Inventors: 罗鹏; 周晴; 梁有庆
Original assignee: Guangdong Unilumin Energy Savings Technology Co ltd; Shenzhen Zhouming Technology Co Ltd
Current assignee: Guangdong Unilumin Energy Savings Technology Co ltd; Shenzhen Zhouming Technology Co Ltd
Priority date: 2021-03-11
Filing date: 2021-03-11
Publication date: 2022-01-11
Anticipated expiration: 2031-03-11

Abstract

The utility model discloses a display screen, which comprises a plurality of display units which can be spliced into the display screen, wherein each display unit also comprises a detection piece, a controller, a communication module and a power-off protection device; the detection piece is arranged at a position close to the waterproof structure of the display unit and used for sending an electric signal to the controller when the water inlet condition is detected; the controller is electrically connected with the detection piece and identifies the electric signal of the detection piece; the communication module is electrically connected with the controller and sends an early warning signal; the power-off protection device is electrically connected with the controller and the display unit; the detection piece can carry out real-time supervision to display element's the condition of intaking, and the controller is used for receiving and handling the detected signal that detects a feedback, and communication module is used for sending the condition of intaking of display screen to display screen management center to in maintenance personal quick response, power protection device is used for cutting off electronic device's power supply, reduces the risk of taking place the incident.

Description

Display screen

Technical Field

The utility model relates to the technical field of display screens, in particular to a display screen.

Background

The LED display screen is more and more widely used at present to a part LED display screen still uses in the outdoor environment, so, the biggest problem that faces is just waterproof, in case advance water then can lead to electronic components's damage easily. Although the waterproof design has all been done structurally to current outdoor display screen product, in some special environment of weather, if face the sea area, the humidity and the salinity of air are higher, corrode the exterior structure of display screen easily for waterproof structure inefficacy leads to the display screen to intake, and then leads to electronic components to damage, and the detectability of the condition of intaking of display screen is lower, is difficult to in time respond to its water inflow anomaly after general display screen intakes.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: a display screen capable of detecting and feeding back a water inflow condition is provided.

In order to solve the technical problems, the utility model adopts the technical scheme that: a display screen comprising a plurality of display elements that can be tiled into a display screen, the display elements further comprising:

the detection piece is used for detecting whether water seeps in the display unit or not;

the controller is electrically connected with the detection piece and identifies the electric signal of the detection piece;

the communication module is electrically connected with the controller and sends an early warning signal;

and the power-off protection device is electrically connected with the controller and the display unit.

Further, the display unit includes the casing and locates display panel on the casing, display panel periphery be equipped with the waterproof construction that the casing is connected, the detection piece includes first detection piece, first detection piece is located waterproof construction's inboard.

Further, the first detection piece is a water leakage induction rope arranged close to the waterproof structure.

Furthermore, a plurality of detection points are arranged on the first detection piece.

Further, the display unit includes an electronic device, and the detecting member includes a second detecting member disposed near the electronic device.

Furthermore, a plurality of detection points are arranged on the second detection piece; the second detection piece is a water leakage induction rope arranged close to the electronic device.

Furthermore, the power-off protection device comprises an electromagnet and a power-off switch matched with the electromagnet, the electromagnet is electrically connected with the controller, and the power-off switch is used for realizing the on-off of the display unit circuit.

Furthermore, the power-off switch includes a switch shell and a sliding rod arranged on the switch shell in a penetrating manner, one end of the sliding rod is provided with a magnetic attraction part matched with the electromagnet, and the other end of the sliding rod is provided with a conducting strip abutted against a power supply line of the electronic device.

Furthermore, still be equipped with the foil on the slide bar, still be equipped with in the switch casing with the arch that the foil contradicts.

Further, the controller is provided with a positioning module for sending out a coordinate signal of the display unit when the electric signal of the detection piece is identified.

The utility model has the beneficial effects that: the display screen has the characteristics of strong detection timeliness, timely feedback, timely response and automatic power-off protection, the detection piece can monitor the water inlet condition of the display unit in real time, the controller is used for receiving and processing a detection signal fed back by the detection piece, the communication module is used for sending the water inlet condition of the display screen to the display screen management center so as to facilitate quick response of maintenance personnel, and the power-off protection device is used for cutting off the power supply of an electronic device and reducing the risk of safety accidents.

Drawings

Fig. 1 is a simplified structural diagram of a display screen according to a first embodiment of the present invention;

fig. 2 is a schematic structural diagram of a display screen according to a first embodiment of the present invention;

fig. 3 is a schematic structural diagram of a power-off protection device in a display screen according to a first embodiment of the present invention (when an electronic device is not in a water inlet state);

fig. 4 is a schematic structural diagram of a power-off protection device in a display screen according to a first embodiment of the present invention (in a water inlet state of an electronic device);

fig. 5 is a schematic cross-sectional structure diagram of a power-off switch in a display screen according to a first embodiment of the utility model.

Description of reference numerals:

1. a housing; 11. a controller; 12. a communication module; 13. a positioning module; 2. a waterproof structure; 3. a first detecting member; 4. a second detecting member; 5. an electronic device; 6. an electromagnet; 7. a power-off switch; 71. a switch housing; 72. a slide bar; 73. a magnetic part; 74. a conductive sheet; 75. a metal foil; 76. a protrusion; 8. a wire; 9. a display panel.

Detailed Description

In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.

Example one

Referring to fig. 1 to 5, a first embodiment of the present invention is: a display screen comprises a plurality of display units which can be spliced into the display screen, wherein each display unit comprises a shell 1 and a display panel 9, the display panel 9 is connected with the shell 1 to form a containing cavity, specifically, a waterproof structure connected with the shell 1 is arranged on the periphery of the display panel 9, the waterproof structure 2 is used for protecting the inside of the containing cavity from water leakage, and specifically, in the embodiment, the waterproof structure 2 is a waterproof ring; an electronic device 5 and a controller 11 are arranged in the accommodating cavity, the controller 11 and the electronic device 5 are respectively powered by mains supply, and the controller 11 is electrically connected with a communication module 12 and a power-off protection device for controlling the on-off of a circuit of the electronic device 5; this display element still is equipped with the detection piece, and is concrete, the detection piece including respectively with first detection piece 3 and second detection piece 4 that the controller 11 electricity is connected, second detection piece 4 encircle set up in 5 peripheries of electron device, it is right whether electron device 5 intakes to monitor, first detection piece 3 is located the inboard of waterproof circle is in order to right it monitors whether intakes to hold intracavity portion.

The working principle of the display screen capable of detecting and feeding back the water inlet condition in the embodiment is briefly described as follows:

when the waterproof structure 2 is damaged, the water seepage which breaks through the protection of the waterproof structure 2 can be detected by the first detection piece 3, and then an electric signal is sent to the controller 11, so that the communication module 12 on the controller 11 sends a signal to a display screen management center, the water inflow condition of the display screen is fed back, and a maintenance worker is informed to respond quickly;

second detection piece 4 encircle set up in around electronic device 5, work as when second detection piece 4 detects the infiltration, can to controller 11 sends the signal of telecommunication, makes on the controller 11 communication module 12 sends the signal to display screen management center, sends the outage early warning, and controller 11 gives simultaneously the circular telegram of power-off protection device makes electronic device 5 breaks off the connection with the commercial power to avoid incident's emergence.

Preferably, please refer to fig. 2, the controller 11 is further provided with a positioning module 13, which is easy to understand, when the first detecting part 3 and the second detecting part 4 detect that the display unit is immersed in water, the positioning module 13 can send the accurate geographical position of the display screen to the display screen management center, so that the maintenance personnel can quickly find the immersed display unit, the response speed of the maintenance of the display screen is increased, and the risk of safety accidents is reduced.

Specifically, in this embodiment, the first detecting member 3 is a water leakage sensing rope disposed close to the waterproof structure 2, and the second detecting member 4 is a water leakage sensing rope disposed close to the electronic device 5; in addition, the first detecting element 3 and the second detecting element 4 may also be, but are not limited to, a humidity-sensitive resistor or a humidity-sensitive capacitor, and may be specifically set according to actual application requirements, which is not described herein in detail.

Optionally, the first detecting element 3 may be provided with a plurality of detecting points, and the plurality of detecting points are respectively electrically connected to the controller 11, which is easy to understand, and the plurality of detecting points are provided on the first detecting element 3, so as to facilitate capturing of specific failure positions of the waterproof structure 2, and facilitate subsequent maintenance work and fault diagnosis of the display screen; furthermore, a plurality of detection points can be arranged on the second detection piece 4 and are respectively electrically connected with the controller 11, so that the detection points are easy to understand, the detection points are arranged on the second detection piece 4, the area of the electronic device 5 with water inlet risk can be conveniently captured, and subsequent maintenance work and fault diagnosis of the display screen are facilitated.

Preferably, please refer to fig. 2, the power-off protection device includes an electromagnet 6 and a power-off switch 7 matched with the electromagnet 6, the electromagnet 6 is electrically connected to the controller 11, the power-off switch 7 is used for realizing the on/off of the circuit of the electronic device 5, it is easy to understand that when the second detection part 4 detects that water enters around the electronic device 5, the controller 11 energizes the electromagnet 6, so that one end of the electromagnet 6 close to the power-off switch 7 generates a magnetic attraction force, and the power-off switch 7 is driven to disconnect the conductive circuit of the electronic device 5 connected with the mains supply, thereby performing power-off protection on the electronic device 5.

Specifically, the power-off switch 7 includes a switch housing 71 and a sliding rod 72 penetrating the switch housing 71, one end of the sliding rod 72 is provided with a magnetic attraction portion 73 matched with the electromagnet 6, and the other end of the sliding rod 72 is provided with a conductive sheet 74 abutting against a power supply line of the electronic device 5; more specifically, referring to fig. 3, when the electromagnet 6 is not energized, the conductive sheet 74 on the sliding rod 72 is electrically connected to the wire 8 electrically connected to the commercial power and the wire 8 electrically connected to the electronic device 5, so as to ensure the normal operation of the electronic device 5; referring to fig. 4, when the electromagnet 6 is powered on, the magnetic attraction portion 73 on the sliding rod 72 is attracted by the electromagnet 6, so that the sliding rod 72 slides toward the electromagnet 6, and the conductive sheet 74 is driven to be disconnected from the wire 8, thereby disconnecting the electronic device 5 from the commercial power.

More specifically, referring to fig. 5, a metal sheet 75 is further disposed on the sliding rod 72, a protrusion 76 abutting against the metal sheet 75 is further disposed in the switch housing 71, the metal sheet 75 is convexly disposed on a side wall of the sliding rod 72, the protrusion 76 is convexly disposed on an inner side wall of the switch housing 71, when the magnetic attraction portion 73 is attracted, the metal sheet 75 moves from a side of the protrusion 76 close to the conductive sheet 74 to a side of the protrusion 76 close to the magnetic attraction portion 73, and when the display screen is completely powered off, the metal sheet 75 abuts against a side of the protrusion 76 close to the magnetic attraction portion 73, so as to limit a sliding stroke of the sliding rod 72, and prevent the conductive sheet 74 from being conducted with the electronic device 5 and a conductive circuit of a commercial power.

In conclusion, the display screen capable of detecting and feeding back the water inlet condition has the characteristics of strong detection timeliness, timely feedback, timely response and automatic power-off protection.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.

Claims

1. A display screen, includes a plurality of display element that can splice into the display screen, its characterized in that, display element still includes:

2. The display screen of claim 1, wherein the display unit comprises a housing and a display panel arranged on the housing, a waterproof structure connected with the housing is arranged on the periphery of the display panel, the detection member comprises a first detection member, and the first detection member is arranged on the inner side of the waterproof structure.

3. The display screen of claim 2, wherein the first detection member is a water leakage sensing rope disposed adjacent to the waterproof structure.

4. The display screen of claim 2, wherein the first detecting member is provided with a plurality of detecting points.

5. The display screen of claim 1, wherein the display unit includes an electronic device, and the detection member includes a second detection member disposed proximate to the electronic device.

6. The display screen of claim 5, wherein the second detecting member is provided with a plurality of detecting points; the second detection piece is a water leakage induction rope arranged close to the electronic device.

7. The display screen of claim 5, wherein the power-off protection device comprises an electromagnet and a power-off switch matched with the electromagnet, the electromagnet is electrically connected with the controller, and the power-off switch is used for switching on and off the display unit circuit.

8. The display screen of claim 7, wherein the power-off switch comprises a switch housing and a sliding rod penetrating the switch housing, one end of the sliding rod is provided with a magnetic attraction portion matched with the electromagnet, and the other end of the sliding rod is provided with a conductive sheet abutting against a power supply line of the electronic device.

9. The display screen of claim 8, wherein the sliding rod is further provided with a metal sheet, and a protrusion abutting against the metal sheet is further arranged in the switch shell.

10. The display screen of claim 1, wherein the controller is provided with a positioning module for sending a coordinate signal of the display unit when the electrical signal of the detecting member is recognized.