CN210349121U

CN210349121U - LED display screen

Info

Publication number: CN210349121U
Application number: CN201921163881.3U
Authority: CN
Inventors: 陈倏贤; 何昆鹏; 吴振志; 吴涵渠
Original assignee: Shenzhen Aoto Electronics Co Ltd
Current assignee: Shenzhen Aoto Electronics Co Ltd
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-04-17
Anticipated expiration: 2029-07-23
Also published as: WO2021012549A1

Abstract

The utility model relates to a LED display screen, including lamp plate and installation frame, the lamp plate is fixed in on the installation frame, wherein, be provided with first connector and first magnetism device on the lamp plate, be provided with second connector and second magnetism device on the installation frame, the second connector corresponds first connector setting, and can peg graft each other with first connector and realize the electric conduction, second magnetism device corresponds the setting with first magnetism device, peg graft when the second connector, first magnetism device and second magnetism device magnetism attract mutually. Through setting up first magnetic device on the lamp plate, set up second magnetic device on the installation frame, through the position to first magnetic device and second magnetic device and the grafting direction relevance of the connector on lamp plate and the installation frame, can realize preventing slow-witted through first magnetic device and second magnetic device, prevent slow-witted intensity height, and prevent that slow-witted structure requires lowerly to thickness, can be applicable to thinner display screen.

Description

LED display screen

Technical Field

The application relates to the field of LED display screens, in particular to an LED display screen.

Background

The existing LED display screen avoids the influence of wire connection on the internal portion of the box body, is simple and affects the maintenance efficiency, adopts a board-to-board connector between most lamp boards and control cards, can ensure the internal portion to be simple and attractive, and is convenient and fast to maintain. If the structure of box is done very thinly, the installation of lamp plate is prevented slow-witted structure and is owing to need be done very thinly, only leave the structure of board to the board connector and prevent slow-witted, because of connector size itself is less, the intensity that leads to preventing slow-witted structure is not very strong, when the lamp plate is inserted reversely, the lamp plate outside is seen not clearly clear the internal conditions, operating personnel can mistake think not press down to target in place and pat the lamp plate hard, will lead to preventing slow-witted structural damage like this, destroy the overall structure of connector even, more serious will cause the positive negative pole of power supply to connect conversely if the circular telegram, damage the lamp plate.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide an LED display screen to the problem that when the box structure is thinned, the mounting fool-proof structure of the lamp panel is very thin, which results in insufficient strength.

The utility model provides a LED display screen, includes lamp plate and installation frame, the lamp plate is fixed in on the installation frame, wherein, be provided with first connector and first magnetism device on the lamp plate, be provided with second connector and second magnetism device on the installation frame, the second connector corresponds first connector setting, and can with first connector is pegged graft each other and is realized the electric conductance, second magnetism device with first magnetism device corresponds the setting, works as first connector peg graft in during the second connector, first magnetism device with second magnetism device magnetism is inhaled mutually.

In one embodiment, the first magnetic device includes a first magnet, the second magnetic device includes a second magnet, and when the first connector is properly plugged with the second connector, the first magnet and the second magnet are oppositely arranged and magnetically attracted.

In one embodiment, the first magnetic device further comprises a third magnet, and when the first connector is reversely plugged with the second connector, the third magnet is opposite to the second magnet and magnetically repels each other.

In one embodiment, the second magnetic device further comprises a fourth magnet, and when the first connector is reversely plugged with the second connector, the fourth magnet is opposite to the first magnet and magnetically repels the first magnet.

In one embodiment, the first magnetic device further comprises a third magnet, and the second magnetic device further comprises a fourth magnet; when the first connector is correctly inserted into the second connector, the first magnet and the second magnet are opposite and magnetically attracted, the third magnet and the fourth magnet are opposite and magnetically attracted, when the first connector and the second connector are reversely inserted, the fourth magnet and the first magnet are opposite and magnetically repelled, and the third magnet and the second magnet are opposite and magnetically repelled.

In one embodiment, the first magnetic device and the second magnetic device include two or more magnets, and when the first connector and the second connector are reversely plugged, one of the magnets of the first magnetic device and one of the magnets of the second magnetic device are arranged oppositely and magnetically repel each other.

In one embodiment, the first and second magnetic devices are circular magnets.

In one embodiment, the mounting frame is provided with a groove, the lamp panel is covered above the groove, and the lamp panel further comprises a control card, and the control card is arranged in the groove and fixedly connected to the mounting frame;

still include direction gag lever post, base plate and elastic component, the direction gag lever post set up in on the control board, the base plate is fixed in on the direction gag lever post to can along the axial displacement of direction gag lever post, elastic component one end butt in the base plate, the other end butt in the control board, the second connector reaches second magnetic device set up in on the base plate.

In one embodiment, the first magnetic device includes a first magnet and a third magnet, the second magnetic device includes a second magnet and a fourth magnet, each of the first connectors corresponds to one of the first magnets and one of the third magnets, and each of the second connectors corresponds to one of the second magnets and one of the fourth magnets.

In one embodiment, the first connector and the first magnet and the third magnet corresponding to the first connector are in a straight line, and the first magnet and the third magnet are symmetrical about a center point of the first connector;

the second connector and a second magnet and a fourth magnet corresponding to the second connector are positioned on a straight line, and the second magnet and the fourth magnet are symmetrical about the center point of the second connector.

The LED display screen has the advantages that the first magnetic device is arranged on the lamp panel, the second magnetic device is arranged on the installation frame, the first magnetic device and the second magnetic device are magnetically attracted when the first connector is plugged into the second connector, when the two magnetic devices are attracted, the two magnetic devices are respectively fixed on the lamp panel and the installation frame, so that when the plugging direction of the first connector and the second connector is correct, the lamp panel can be lifted slightly to obviously feel resistance, a user can sense the feedback that the plugging direction is correct, when the plugging direction is opposite, the first magnetic device and the second magnetic device do not generate magnetic attraction, when the lamp panel is lifted, the resistance is not generated, the user can know that the plugging direction is wrong, and the first connector and the second connector cannot be forcibly plugged when the plugging direction of the first connector and the second connector is opposite, avoiding damage to the connector. The magnetic attraction of the magnetic device realizes fool-proofing, the fool-proofing effect is good, the magnetic attraction device can generate magnetic attraction force when the thickness is thin, the requirement on the thickness is low, and the magnetic attraction device can be suitable for thin LED display screens.

Drawings

Fig. 1 is a schematic structural diagram of an LED display screen according to an embodiment of the present application;

fig. 2 is a schematic diagram of an internal structure of an LED display screen according to an embodiment of the present application;

fig. 3 is a schematic structural diagram of a lamp panel of an LED display screen according to an embodiment of the present application;

fig. 4 is a schematic view of a matching structure of a control card and a second connector of an LED display screen according to an embodiment of the present application;

fig. 5 is a schematic diagram illustrating a first connector and a second connector of an LED display screen according to an embodiment of the present application.

Detailed Description

To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present application are given in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The LED display screen of each embodiment of this application, through set up first magnetic device on the lamp plate, set up second magnetic device on the installation frame, through the position to first magnetic device and second magnetic device and the grafting direction of the connector on lamp plate and the installation frame is relevant, can realize preventing slow-witted through first magnetic device and second magnetic device, prevent slow-witted effectual, and prevent that slow-witted structure requires lowerly to thickness, can be applicable to thinner display screen.

The LED display screen of the embodiments of the present application is described in detail below with reference to the accompanying drawings.

Referring to fig. 1 to fig. 3, a schematic structural diagram of an LED display screen 10 according to an embodiment of the present application is exemplarily shown, where the LED display screen 10 includes a lamp panel 110 and a mounting frame 120, the lamp panel 110 is fixed on the mounting frame 120, where the lamp panel 110 is provided with a first connector 111 and a first magnetic device 113, the mounting frame 120 is provided with a second connector 121 and a second magnetic device 123, the second connector 121 is disposed corresponding to the first connector 111 and can be plugged into the first connector 111 to realize electrical conduction, the first magnetic device 113 and the second magnetic device 123 are disposed corresponding to each other, and when the first connector 111 is plugged into the second connector 121, the first magnetic device 113 and the second magnetic device 123 are magnetically attracted to each other.

By arranging the first magnetic device 113 on the lamp panel 110, arranging the second magnetic device 123 on the mounting frame 120, and making the first magnetic device 113 and the second magnetic device 123 magnetically attract each other when the first connector 111 is plugged into the second connector 121, when the two magnetic devices attract each other, because the two magnetic devices are respectively fixed on the lamp panel 110 and the mounting frame 120, when the plugging direction of the first connector 111 and the second connector 121 is correct, only the lamp panel 110 needs to be slightly lifted, so that the resistance can be obviously felt, the user can perceive the feedback that the plugging direction is correct, when the plugging direction is opposite, the first magnetic device 113 and the second magnetic device 123 do not generate magnetic attraction, when the lamp panel 110 is lifted, the resistance is not generated, the user can know that the plugging direction is wrong, so that the first connector 111 and the second connector 121 cannot be forcibly plugged when the plugging direction of the first connector 111 and the second connector 121 is opposite, avoiding damage to the connector. The magnetic attraction of the magnetic device realizes fool-proofing, the fool-proofing effect is good, the magnetic attraction device can generate magnetic attraction force when the thickness is thin, the requirement on the thickness is low, and the magnetic attraction device can be suitable for the thin LED display screen 10.

Referring to fig. 1 and 2, one or more lamp panels 110 may be fixed on each mounting frame 120, each lamp panel 110 may be provided with a first magnetic device 113, and the number of the second magnetic devices 123 on the mounting frame 120 is adapted to the number of the second magnetic devices 123.

Referring to fig. 3 to 5, in some embodiments, the first magnetic device 113 includes a first magnet 1131, and the second magnetic device 123 includes a second magnet 1231, when the first connector 111 is correctly inserted into the second connector 121, the first magnet 1131 and the second magnet 1231 are oppositely disposed and magnetically attracted, and when the first connector 111 is reversely inserted into the second connector 121, the first magnet 1131 and the second magnet 1231 are dislocated from each other without generating a magnetic force.

In other embodiments, the first magnetic device 113 may further include a third magnet 1133, and when the first connector 111 is reversely inserted into the second connector 121, the third magnet 1133 is opposite to the second magnet 1231 and magnetically repels each other. Because the lamp panel 110 is provided with the first magnet 1131 and the third magnet 1133, and the first magnet 1131 and the second magnet 1231 on the mounting frame 120 are opposite to each other and magnetically attracted to each other, and the third magnet 1133 and the second magnet 1231 are opposite to each other and magnetically repelled to each other, therefore, when the first connector 111 is correctly plugged into the second connector 121, the first magnet 1131 and the second magnet 1231 are magnetically attracted to each other, and when the third magnet 1133 and the second magnet 1231 are magnetically repelled to each other when the first connector 111 is plugged into the second connector 121 in the reverse direction, while the foolproof is realized by using the magnets, if the first connector 111 and the second connector 121 are plugged into each other in the reverse direction, the magnetic acting force between the third magnet 1133 and the second magnet 1231 can prevent the first connector 111 from being plugged into the second connector 121, and when the lamp panel is forcibly plugged into the second connector, the lamp panel can play a certain resistance function, thereby preventing the.

In other embodiments, the second magnetic device 123 may further include a fourth magnet 1233, and the fourth magnet 1233 is opposite to the first magnet 1131 and magnetically repels each other when the first connector 111 is reversely inserted into the second connector 121. At this time, the principle of magnetic repulsion between the fourth magnet 1233 and the first magnet 1131 can also prevent the first connector 111 and the second connector 121 from being forcibly inserted when the first connector 111 and the second connector 121 are inserted in opposite directions, thereby avoiding damage to the connectors.

Referring to fig. 5, in a specific embodiment, the first magnetic device 113 may include a first magnet 1131 and a third magnet 1133, the second magnetic device 123 may include a second magnet 1231 and a fourth magnet 1233, when the first connector 111 is correctly inserted into the second connector 121, the first magnet 1131 and the second magnet 1231 are corresponding and magnetically attracted, and the third magnet 1133 and the fourth magnet 1233 are corresponding and magnetically attracted, which is beneficial for the installation and fixation of the lamp panel 110. And fool-proofing can be achieved with magnets: when the first connector 111 and the second connector 121 are plugged in opposite directions, the fourth magnet 1233 corresponds to the first magnet 1131 and magnetically repels each other, and the third magnet 1133 corresponds to the second magnet 1231 and magnetically repels each other, when the lamp panel 110 is close to the mounting frame 120, a magnetic repulsion force is generated between the fourth magnet 1233 and the first magnet 1131 and between the third magnet 1133 and the second magnet 1231, and the closer the lamp panel 110 is to the mounting frame 120, the larger the repulsion force is, so that the plugging of the first connector 111 and the second connector 121 can be prevented.

The first and second

magnetic devices

113 and 123 may be circular magnets. In a specific embodiment, the first magnet 1131, the second magnet 1231, the third magnet 1133, and the fourth magnet 1233 are circular magnets, which have a self-centering effect and can automatically align the first connector 111 and the second connector 121.

In the embodiment shown in fig. 5, each first connector 111 corresponds to one first magnet 1131 and one third magnet 1133, and each second connector 121 corresponds to one second magnet 1231 and one fourth magnet 1233. It is understood that, in other embodiments, the first magnetic device 113 and the second magnetic device 123 may also include more than two magnets, and when the first connector 111 and the second connector 121 are reversely inserted, one of the magnets of the first magnetic device 113 and one of the magnets of the second magnetic device 123 are disposed opposite to each other and magnetically repel each other.

It can be understood that when the first magnetic device 110 and the second magnetic device 120 are magnetically attracted to each other, if one of the first magnetic device 110 and the second magnetic device 120 is a magnet and the other is made of a material (e.g., metal iron) capable of attracting the magnet, the same effect can be achieved. When the first magnetic device 110 and the second magnetic device 120 at the corresponding positions need to be fool-proof through magnetic repulsion, both the first magnetic device 110 and the second magnetic device 120 need to be magnets.

Referring to fig. 2, the mounting frame 120 may be provided with a groove 120a, the lamp panel 110 is covered above the groove 120a, and the second connector 121 is disposed in the groove 120 a. Specifically, the LED display screen 10 may further include a control card 130, the control card 130 is disposed in the groove 120a and is fixedly connected to the mounting frame 120, and the second connector 121 is disposed on the control card 130 and is electrically connected to the control card 130.

Referring to fig. 4 and 5, in one or more embodiments, the LED display screen 10 may further include a guide limiting rod 140, a substrate 150 and an elastic member 160, the guide limiting rod 140 is disposed on the control card 130, the substrate 150 is fixed on the guide limiting rod 140 and can move along an axial direction of the guide limiting rod 140, one end of the elastic member 160 abuts against the substrate 150, the other end abuts against the control card 130, and the second connector 121 and the second magnetic device 123 are disposed on the substrate 150. Therefore, when the first connector 111 and the second connector 121 are reversely plugged, if an acting force of magnetic repulsion exists between the first magnetic device 113 and the second magnetic device 123, under the action of the repulsive force, the substrate 150 moves towards the direction close to the control card 130 along the axial direction of the guide limiting rod 140 to increase the distance between the substrate 150 and the lamp panel 110, thereby increasing the distance between the first connector 111 and the second connector 121, and preventing the first connector 111 and the second connector 121 from being further plugged to damage the connectors.

Referring to fig. 5, the elastic member 160 may be sleeved on the guide limiting rod 140. It can be understood that the elastic element 160 is only required to be located between the substrate 150 and the control card 130 to provide a buffer for the substrate 150, so as to implement the corresponding function.

In the embodiment shown in fig. 5, the second magnetic device 123 includes a second magnet 1231 and a fourth magnet 1233, the second connector 121 and the second magnet 1231 and the fourth magnet 1233 corresponding to the second connector 121 are substantially in a straight line, and the second magnet 1231 and the fourth magnet 1233 are point-symmetric with respect to the center of the second connector 121. It can be understood that the first connector 111 is disposed opposite to the second connector 121, the first magnet 1131 is disposed opposite to the second magnet 1231, and the third magnet 1133 is disposed opposite to the fourth magnet 1233, so that the first connector 111 and the corresponding first magnet 1131 and third magnet 1133 are substantially aligned, and the first magnet 1131 and third magnet 1133 are symmetrical with respect to the center point of the first connector 111, so that when the first connector 111 is plugged into the second connector 121, the first magnetic device 113 and the second magnetic device 123 can be aligned well, and a magnetic attraction force is generated between the first magnetic device 113 and the second magnetic device 123, or when the plugging direction is reversed, a magnetic repulsion force is generated between the first magnetic device 113 and the second magnetic device 123.

Taking the embodiment shown in fig. 5 as an example, when assembling the lamp panel 110, first, four corners of the lamp panel 110 are aligned, and after the alignment, if the insertion direction of the first connector 111 and the second connector 121 is correct, the first magnet 1131 is opposite to the second magnet 1231, and the third magnet 1133 is opposite to the fourth magnet 1233, because the first magnet 1131 and the second magnet 1231 are magnetically attracted, and the third magnet 1133 and the fourth magnet 1233 are magnetically attracted, when the lamp panel 110 is installed, the dragging of the magnetic attraction to the lamp panel 110 can be obviously sensed, when the magnets are all circular magnets, the automatic centering effect is achieved, the first connector 111 and the second connector 121 are automatically centered, the lamp panel 110 is pressed lightly, so that the first connector 111 and the second connector 121 are tightly inserted, and the lamp panel 110 is fixed. When the plugging direction of the first connector 111 is opposite to that of the second connector 121, the first magnet 1131 is opposite to the fourth magnet 1233, the third magnet 1133 is opposite to the second magnet 1231, and magnetic repulsive forces are generated between the first magnet 1131 and the fourth magnet 1233 and between the third magnet 1133 and the second magnet 1231, and the surfaces of the first magnet 1131 and the fourth magnet 1233, and the surfaces of the third magnet 1133 and the second magnet 1231 cannot be bonded to each other, and at the same time, under the action of the magnetic repulsion, the substrate 150 drives the second connector 121 to move toward the control card 130, even if the lamp panel 110 is covered on the mounting frame 120, the distance between the first connector 111 and the second connector 121 is increased, and the first connector 111 and the second connector 121 cannot be forcibly inserted, so that the connector is prevented from being damaged when the lamp panel 110 is forcibly tapped, and the first connector 111 and the second connector 121 are effectively protected.

In the LED display panel 10, the first magnetic device 113 is disposed on the lamp panel 110, the second magnetic device 123 is disposed on the mounting frame 120, and the first magnetic device 113 and the second magnetic device 123 are magnetically attracted when the first connector 111 is plugged into the second connector 121, when the two magnetic devices are attracted, the two magnetic devices are respectively fixed on the lamp panel 110 and the mounting frame 120, so that when the plugging direction of the first connector 111 and the second connector 121 is correct, the lamp panel 110 only needs to be slightly lifted, the user can obviously feel resistance, the user can sense the feedback that the plugging direction is correct, when the plugging direction is opposite, the first magnetic device 113 and the second magnetic device 123 do not generate magnetic attraction, when the lamp panel 110 is lifted, the user can know that the plugging direction is wrong, and thus the first connector 111 and the second connector 121 cannot be forcibly plugged when the plugging direction of the first connector 111 and the second connector 121 is opposite, avoiding damage to the connector. The magnetic attraction of the magnetic device realizes fool-proofing, the fool-proofing effect is good, the magnetic attraction device can generate magnetic attraction force when the thickness is thin, the requirement on the thickness is low, and the magnetic attraction device can be suitable for the thin LED display screen 10.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides a LED display screen, its characterized in that, includes lamp plate and installation frame, the lamp plate is fixed in on the installation frame, wherein, be provided with first connector and first magnetism device on the lamp plate, be provided with second connector and second magnetism device on the installation frame, the second connector corresponds first connector setting, and can with first connector is pegged graft each other and is realized the electric conductance, second magnetism device with first magnetism device corresponds the setting, works as first connector peg graft in during the second connector, first magnetism device with second magnetism device magnetism is inhaled mutually.

2. The LED display screen of claim 1, wherein the first magnetic device comprises a first magnet and the second magnetic device comprises a second magnet, and when the first connector is properly plugged with the second connector, the first magnet and the second magnet are oppositely arranged and magnetically attracted.

3. The LED display screen of claim 2, wherein the first magnetic device further comprises a third magnet, and when the first connector and the second connector are plugged in opposite directions, the third magnet and the second magnet are arranged oppositely and magnetically repel each other.

4. The LED display screen of claim 2, wherein the second magnetic device further comprises a fourth magnet, and when the first connector and the second connector are plugged in opposite directions, the fourth magnet is opposite to the first magnet and magnetically repels each other.

5. The LED display screen of claim 2, wherein the first magnetic device further comprises a third magnet, the second magnetic device further comprises a fourth magnet; when the first connector is correctly inserted into the second connector, the first magnet and the second magnet are opposite and magnetically attracted, the third magnet and the fourth magnet are opposite and magnetically attracted, when the first connector and the second connector are reversely inserted, the fourth magnet and the first magnet are opposite and magnetically repelled, and the third magnet and the second magnet are opposite and magnetically repelled.

6. The LED display screen of claim 1, wherein the first magnetic device and the second magnetic device comprise two or more magnets, and when the first connector and the second connector are plugged in opposite directions, one of the magnets of the first magnetic device and one of the magnets of the second magnetic device are arranged oppositely and magnetically repel each other.

7. The LED display screen of claim 1, wherein the first magnetic device and the second magnetic device are circular magnets.

8. The LED display screen of claim 1, wherein a groove is formed in the mounting frame, the lamp panel is covered above the groove, and the LED display screen further comprises a control card, the control card is arranged in the groove and fixedly connected to the mounting frame;

9. The LED display screen of claim 8, wherein the first magnetic device comprises a first magnet and a third magnet, the second magnetic device comprises a second magnet and a fourth magnet, each first connector corresponds to one first magnet and one third magnet, and each second connector corresponds to one second magnet and one fourth magnet.

10. The LED display screen of claim 9, wherein the first connector and the first and third magnets corresponding to the first connector are in a straight line, and the first and third magnets are symmetrical about a center point of the first connector;