WO2024026987A1 - Boîte d'alimentation électrique et dispositif d'affichage - Google Patents

Boîte d'alimentation électrique et dispositif d'affichage Download PDF

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Publication number
WO2024026987A1
WO2024026987A1 PCT/CN2022/118933 CN2022118933W WO2024026987A1 WO 2024026987 A1 WO2024026987 A1 WO 2024026987A1 CN 2022118933 W CN2022118933 W CN 2022118933W WO 2024026987 A1 WO2024026987 A1 WO 2024026987A1
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WO
WIPO (PCT)
Prior art keywords
mounting
mounting hole
middle frame
box
box body
Prior art date
Application number
PCT/CN2022/118933
Other languages
English (en)
Chinese (zh)
Inventor
张书发
Original Assignee
西安青松光电技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 西安青松光电技术有限公司 filed Critical 西安青松光电技术有限公司
Publication of WO2024026987A1 publication Critical patent/WO2024026987A1/fr

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details

Definitions

  • the present application relates to the field of display, and in particular, to a power box and a display device.
  • Display equipment such as LED displays are widely used in schools, shopping malls, stations and other places.
  • the display device includes a display device body and a power box arranged on the display device body.
  • the display device body has a display side and a rear side opposite to the display side.
  • the power box has two different maintenance methods. The first is the front maintenance method. That is, maintenance is performed on the display side, and the second is the rear maintenance method, which is maintenance on the rear side.
  • the rear maintenance method which has a simple structure, but a certain space needs to be reserved on the rear side as a maintenance channel during maintenance; while in the front maintenance method, there is no need to reserve a maintenance channel, and its display device can adapt to the small space. occasions application.
  • This application provides a power box and a display device, which can realize front maintenance and rear maintenance at the same time.
  • the present application provides a power supply box, including a box body, at least one mounting piece, at least one first connecting piece and at least one second connecting piece.
  • the mounting piece has a first mounting hole and a second mounting hole.
  • a connecting piece and a second connecting piece are arranged staggered, and the mounting piece has an opposite first side and a second side;
  • the first connector is inserted into the box body.
  • the first connector is inserted into the first mounting hole through the first side to detachably connect the mounting member and the box body.
  • the second connector is used to connect to the middle frame of the display device. The connection is detachable, and the second connecting piece is inserted into the second installation hole through the second side to connect the middle frame and the box body.
  • the axes of the first mounting hole and the second mounting hole are parallel to each other, and the axis of the first mounting hole is perpendicular to the box body.
  • the first mounting hole is a blind hole, and the opening of the first mounting hole is located on the first side.
  • the second mounting hole is a blind hole, and the opening of the second mounting hole is located on the second side.
  • the box body includes a box body and a flange surrounding the box body, and the first connector is inserted on the flange.
  • the power supply box provided by the present application also includes a power supply and a control board.
  • the box body has a receiving cavity, and the power supply and the control board are arranged in the receiving cavity.
  • the number of mounting parts is an even number, and the mounting parts are arranged symmetrically with respect to the symmetry axis of the middle frame;
  • the mounting piece, the first connecting piece and the second connecting piece are arranged correspondingly.
  • At least one of the first connecting member and the second connecting member is a screw.
  • this application also provides a display device, including a display device body and the power box provided in the first aspect.
  • the display device body includes a middle frame, a frame body and a plurality of display panels.
  • the middle frame is connected to the frame body. , and there is a channel for the power box to enter and exit between the middle frame and the frame, and the display panel cover is set on the frame;
  • the second connecting piece of the power box is connected to the middle frame, and the power box and the display panel are located on opposite sides of the frame.
  • the display device provided by this application has at least one mounting slot on the middle frame, the mounting piece is embedded in the mounting slot, and the mounting piece and the mounting slot are arranged in one-to-one correspondence.
  • the middle frame includes a middle frame body and a connected side of one side of the middle frame body, and the second connector is inserted on the middle frame body:
  • the middle frame body and the box body of the power box together form an installation cavity.
  • the installation piece of the power box is located in the installation cavity and is in contact between the flange of the power box and the middle frame body.
  • the power box provided by this application includes a box body and at least one mounting piece.
  • the mounting piece has a first mounting hole and a second mounting hole.
  • the first mounting hole and the second mounting hole are staggered.
  • the mounting piece has Opposite first and second sides; the first connecting piece is plugged into the first mounting hole through the first side to detachably connect the mounting piece and the box body, and the second connecting piece is plugged into the first mounting hole through the second side.
  • the box body and the middle frame of the display device are detachably connected.
  • the power box includes a box body, at least one mounting piece, at least one first connecting piece and at least one second connecting piece.
  • the mounting piece and the box body are detachably connected through the first connecting piece.
  • the second connecting piece can detachably connect the box body and the middle frame of the display device; remove the first connecting piece, and the mounting piece is separated from the box body to achieve post-maintenance of the power box. Remove the second connecting piece, the middle frame and the box body. Separate to enable front maintenance of the power box. As a result, both front and rear maintenance of the power box can be achieved.
  • Figure 1 is a schematic structural diagram of a display device provided by an embodiment of the present application.
  • Figure 2 is an exploded view of a display device provided by an embodiment of the present application.
  • Figure 3 is a rear view of Figure 1;
  • Figure 4 is a partial structural schematic diagram of a box in a display device provided by an embodiment of the present application.
  • Figure 5 is a partial structural schematic diagram of the box in the display device provided by the embodiment of the present application from another angle;
  • Figure 6 is a partial enlarged view of position A in Figure 3;
  • Figure 7 is a disassembly state diagram of post-maintenance at A in Figure 3;
  • Figure 8 is a schematic diagram of the internal structure of Figure 7;
  • Figure 9 is a disassembly state diagram of the display device provided by the embodiment of the present application for post-maintenance;
  • Figure 10 is a disassembly state diagram of front maintenance at A in Figure 3;
  • Figure 11 is a disassembly state diagram of the display device provided by the embodiment of the present application for front maintenance
  • Figure 12 is a partial top view of Figure 1;
  • Figure 13 is a partial enlarged view of the interior of location B in Figure 12.
  • connection should be understood in a broad sense.
  • it can be the first connection, or it can be through
  • the intermediary is indirectly connected, which can be the internal connection between two components or the interaction between two components.
  • a display device may also be called a monitor.
  • the display device is a device that can output images or sensory information, and the display device may include an LED display screen. Display equipment is widely used in schools, shopping malls, stations and other places.
  • the display device includes a display device body and a power box arranged on the display device body.
  • the display device body has a display side and a rear side opposite to the display side.
  • the power box has two different maintenance methods. The first is the front maintenance method. That is, maintenance is performed on the display side, and the second is the rear maintenance method, which is maintenance on the rear side.
  • the rear maintenance method which has a simple structure, but a certain space needs to be reserved on the rear side as a maintenance channel during maintenance; while in the front maintenance method, there is no need to reserve a maintenance channel, and its display device can adapt to the small space. occasions application.
  • the power box is a component that often requires maintenance, and the power box is generally installed on the rear side. Therefore, the power box basically supports rear maintenance, but some power boxes can perform front maintenance. Pre-maintenance and post-maintenance respectively correspond to different installation methods.
  • embodiments of the present application provide a power box and a display device, and both front and rear maintenance of the power box can be implemented.
  • an embodiment of the present application provides a display device, including a display device body 100 and a power box 200.
  • the display device body 100 includes a middle frame 110, a frame 120 and a plurality of display panels 130.
  • the frame 110 is connected to the frame 120, and there is a channel 140 between the middle frame 110 and the frame 120 for the power box 200 to enter and exit.
  • the display panel 130 is covered on the frame 120.
  • the power box 200 and the display panel 130 are respectively located on two opposite sides of the frame 120 .
  • the frame 120 is used to support the middle frame 110 and the display panel 130 .
  • the frame 120 may be in the shape of a frame.
  • the frame 120 may include a plurality of support rods 121 and a plurality of support plates 122.
  • the four support rods 121 may be connected end to end in sequence to form a rectangular frame, and the support rods 121 may also be provided in the rectangular frame.
  • the support rod 121 can be arranged along the length direction of the rectangular frame (the X direction in Figure 2), and the two ends of the support rod 121 are respectively connected with the two support rods 121 in the width direction of the rectangular frame (the Y direction in Figure 2).
  • the support plates 122 may be connected at intervals between two adjacent support rods 121 in the length direction of the rectangular frame.
  • the middle frame 110 provides support for the power box 200.
  • the middle frame 110 is located in the middle area of the frame 120.
  • the two ends of the middle frame 110 are respectively connected to the two support rods 121 in the width direction of the rectangular frame, and
  • the extension direction of the middle frame 110 can be parallel to the two support rods 121 in the length direction of the rectangular frame.
  • a channel 140 is formed between the sides of the middle frame 110 and the support rods 121 adjacent to the sides of the middle frame 110.
  • the channel 140 is Access the power supply box 200.
  • frame 120 and the middle frame 110 can be integrally formed.
  • the display panel 130 is used to display image information, and the display panel 130 may be an LED display module.
  • the number of display panels 130 may be multiple, and the multiple display panels 130 are arranged in a rectangular array to cover the frame 120 .
  • At least two positioning posts 131 can be provided on the side of the display panel 130 facing the frame 120.
  • the support rod 121 and the support plate Among the three 122 positioning holes 150 are provided at positions corresponding to the positioning posts 131 of the display panel 130.
  • the positioning posts 131 on each display panel 130 are inserted into positions corresponding to the positioning posts 131. into the positioning holes 150 to initially position the display panel 130 .
  • a buckle or magnetic attraction is provided on the side of the display panel 130 facing the frame 120 , and a slot or attraction is provided at the corresponding position of the middle frame 110 , the support rod 121 or the support plate 122 and the display panel 130 ; or, on the display panel 130
  • a card slot or an adsorption piece is provided on the side facing the frame 120 , and a buckle or magnetic piece is provided at the corresponding position of the middle frame 110 , the support rod 121 or the support plate 122 and the display panel 130 .
  • the display panel 130 can be fixed on the frame 120 by buckling, or the display panel 130 can be fixed on the frame 120 through magnetic and adsorbing parts.
  • the display panel 130 is initially positioned by inserting the positioning post 131 into the positioning hole 150 corresponding to the positioning post 131 to facilitate the display panel 130 to be clamped or adsorbed on the middle frame 110 or the frame 120
  • the alignment of the snapping position or the suction position avoids deviation in the snapping position or the suction position, thereby improving the installation accuracy of the display panel 130 .
  • the power box 200 is connected to the side of the middle frame 110 facing away from the display panel 130 , so that the power box 200 and the display panel 130 are respectively located on opposite sides of the frame 120 .
  • the power box 200 includes a box body 210 , at least one mounting member 220 , at least one first connecting member 230 and at least one second connecting member 240 .
  • the mounting member 220 has a The first mounting hole 221 and the second mounting hole 222 are staggered.
  • the mounting member 220 has an opposite first side 223 and a second side 224 .
  • the first connecting member 230 is inserted into the box body 210.
  • the first connecting member 230 is inserted into the first mounting hole 221 through the first side 223 to detachably connect the mounting member 220 and the box body 210.
  • the second connecting member 240 It is detachably connected to the middle frame 110 of the display device, and the second connector 240 is inserted into the second mounting hole 222 through the second side 224 to connect the middle frame 110 and the box body 210 .
  • the box body 210 can be buckled on the middle frame 110, and the box body 210 and the middle frame 110 together form a closed cavity.
  • two holes can be opened on the mounting member 220, and a first through hole can be provided on the box body 210.
  • the first side 223 of the mounting member 220 is away from the display panel 130 , and the first connecting member 230 is inserted into the first mounting hole 221 through the first through hole and the first side 223 of the mounting member 220 , and is connected to the first mounting hole 221 .
  • a second through hole is provided on the middle frame 110.
  • the second side 224 of the mounting member 220 faces the display panel 130.
  • the second connecting member 240 is inserted into the second mounting hole 222 through the second through hole and the second side 224 of the mounting member 220. inside, and connected with the second mounting hole 222 , so that the box body 210 is connected to the middle frame 110 through the mounting member 220 .
  • first connecting member 230 and the first mounting hole 221, and the second connecting member 240 and the second mounting hole 222 may be connected by threads, or detachable connection methods such as snapping.
  • the first connecting piece 230 is released from the first side 223 of the mounting piece 220, and the first connecting piece 230 is disconnected from the first mounting hole 221.
  • the mounting component 220 is fixed on the middle frame 110 , and the box body 210 is disconnected from the mounting component 220 , so that the box body 210 is detached from the middle frame 110 to achieve subsequent maintenance of the power box 200 .
  • the display panel 130 corresponding to the box body 210 is removed from the frame 120 and the middle frame 110 from the display panel 130 side, thereby exposing the middle frame 110 and
  • the mounting piece 220 is fixed on the box body 210, and the mounting piece 220 Disconnect from the middle frame 110 so that the box body 210 is detached from the middle frame 110.
  • the box body 210 is taken out from the display panel 130 side through the channel 140 to achieve front maintenance of the power box 200.
  • the first mounting hole 221 and the second mounting hole 222 are staggered holes provided on the mounting member 220. In this way, when the first connecting member 230 in the first mounting hole 221 is loosened, the second mounting hole 222 is not affected.
  • the second connecting member 240 is installed in the hole 222 to prevent the second connecting member 240 from moving following the first connecting member 230 .
  • when loosening the second connecting member 240 in the second mounting hole 222 avoid affecting the first connecting member 230 in the first mounting hole 221 to prevent the first connecting member 230 from following the movement of the second connecting member 240.
  • space is saved, so that the overall thickness of the display device can be reduced.
  • the display device provided in this embodiment is provided with a power box 200.
  • the power box 200 includes a box body 210, at least one mounting part 220, at least one first connecting part 230 and at least one second connecting part 240. Through the first connecting part 230
  • the installation part 220 can be detachably connected to the box body 210, and the box body 210 can be detachably connected to the middle frame 110 of the display device through the second connection part 240; the first connection part 230 can be removed, and the installation part 220 can be separated from the box body 210 to realize
  • For rear maintenance of the power box 200 remove the second connecting member 240 and separate the middle frame 110 from the box body 210 to achieve front maintenance of the power box 200 . Therefore, both front and rear maintenance of the power box 200 can be realized.
  • the axes of the first mounting hole 221 and the second mounting hole 222 are parallel to each other, and the axis of the first mounting hole 221 is perpendicular to the box body 210 .
  • force is applied in a direction perpendicular to the box body 210. The force is easy to operate.
  • the first mounting hole 221 is a blind hole, and the opening of the first mounting hole 221 is located on the first side 223 . That is, when the first connecting member 230 is inserted into the first mounting hole 221, the first connecting member 230 is in contact with the bottom of the first mounting hole 221 or there is a gap between the two, and the bottom of the first mounting hole 221 is the first The installation of the connecting member 230 provides a position limit, thus preventing the first connecting member 230 from contacting the middle frame 110 during installation.
  • the second mounting hole 222 is a blind hole, and the opening of the second mounting hole 222 is located on the second side 224 . That is, when the second connecting member 240 is inserted into the second mounting hole 222, the second connecting member 240 is in contact with the bottom of the second mounting hole 222 or there is a gap between them, and the bottom of the second mounting hole 222 is the second The installation of the connecting member 240 provides a position limit, thus preventing the second connecting member 240 from contacting the box body 210 during installation.
  • the box body 210 includes a box body 211 and a flange 212 surrounding the box body 211 .
  • the first connector 230 is inserted on the flange 212 .
  • the middle frame 110 includes a middle frame body 111 and a connected side 112 on one side of the middle frame body 111 .
  • the second connector 240 is inserted on the middle frame body 111 .
  • the end of the side 112 is in contact with the flange 212 of the power supply box 200 or there is a gap between the two.
  • the middle frame body 111 and the box body 211 of the power supply box 200 together form an installation cavity, and the installation member 220 is located in the installation cavity. , and abuts between the flange 212 and the middle frame body 111 .
  • the mounting member 220 is embedded between the flange 212 and the middle frame body 111, and the flange 212 and the middle frame body 111 jointly define the installation position of the mounting member 220.
  • the power box 200 also includes a power supply and a control board.
  • the box body 211 has an accommodation cavity, and the power supply and control board are arranged in the accommodation cavity.
  • the accommodation cavity provides an installation space for the power supply and the control board.
  • the middle frame 110 abuts against the flange 212 of the power supply box 200 , so that the accommodation cavity becomes a closed cavity.
  • the power supply and control board are installed in the box body 211 of the power supply box 200. During maintenance, the entire power supply box 200 can be directly replaced with a new power supply box 200, saving on-site maintenance time.
  • the number of mounting members 220 is an even number, and the mounting members 220 are arranged symmetrically with respect to the symmetry axis S of the middle frame 110 .
  • the mounting member 220, the first connecting member 230 and the second connecting member 240 are arranged correspondingly, that is, one mounting member 220 is connected to a first connecting member 230 and a second connecting member 240.
  • At least one of the first connecting member 230 and the second connecting member 240 is a screw.
  • the first mounting hole 221 has internal threads that match the first connector 230
  • the second mounting hole 222 has internal threads that match the second connector 240 .
  • the mounting member 220 is detachably connected to the box body 210, or the box body 210 is detachably connected to the middle frame 110 of the display device.
  • the structure is simple and stable, easy to operate, and saves costs.
  • first connecting member 230 and the second connecting member 240 may be captive screws, that is, after the first connecting member 230 is separated from the first mounting hole 221, it is still connected to the box body 210. After the second connecting member 240 is detached from the second mounting hole 222, it is still connected to the middle frame 110, thereby preventing the first connecting member 230 and the second connecting member 240 from being lost during front or rear maintenance.
  • the middle frame 110 has at least one mounting slot 113, the mounting piece 220 is embedded in the mounting slot 113, and the mounting piece 220 is in contact with the mounting slot 113.
  • the mounting groove 113 limits the mounting member 220 to prevent the mounting member 220 from rotating when the first connecting member 230 and the second connecting member 240 are tightened.
  • the shape of the mounting groove 113 may match the shape of the mounting member 220 .
  • the mounting groove 113 can also be formed by two sides 112 , which facilitates the formation of the mounting groove 113 .
  • a power box 200 includes a box body 210 and at least one mounting member 220.
  • the mounting member 220 has a first mounting hole 221 and a second mounting hole 222.
  • the mounting holes 222 are staggered, and the mounting piece 220 has an opposite first side 223 and a second side 224; the first connecting piece 230 is inserted into the first mounting hole 221 through the first side 223 to detachably connect the mounting piece.
  • 220 and the box body 210 are inserted into the second mounting hole 222 through the second side 224 through the second connector 240 to detachably connect the box body 210 and the middle frame 110 of the display device.

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

L'invention concerne une boîte d'alimentation électrique et un dispositif d'affichage. La boîte d'alimentation électrique comprend un corps de boîte, un élément de montage, un premier élément de liaison et un second élément de liaison, l'élément de montage étant pourvu d'un premier trou de montage et d'un second trou de montage, le premier élément de liaison et le second élément de liaison étant agencés en quinconce, et l'élément de montage étant pourvu d'un premier côté et d'un second côté qui sont opposés l'un à l'autre ; et le premier élément de liaison est inséré dans le corps de boîte, le premier élément de liaison est inséré dans le premier trou de montage à travers le premier côté de façon à relier de manière amovible l'élément de montage au corps de boîte, le second élément de liaison est relié de manière amovible à un cadre intermédiaire du dispositif d'affichage, et le second élément de liaison est inséré dans le second trou de montage à travers le second côté de façon à relier le cadre intermédiaire au corps de boîte. Au moyen de la boîte d'alimentation électrique et du dispositif d'affichage selon la présente demande, à la fois une maintenance avant et une maintenance arrière peuvent être réalisées.
PCT/CN2022/118933 2022-08-03 2022-09-15 Boîte d'alimentation électrique et dispositif d'affichage WO2024026987A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202222034820.5U CN217884142U (zh) 2022-08-03 2022-08-03 电源盒和显示设备
CN202222034820.5 2022-08-03

Publications (1)

Publication Number Publication Date
WO2024026987A1 true WO2024026987A1 (fr) 2024-02-08

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PCT/CN2022/118933 WO2024026987A1 (fr) 2022-08-03 2022-09-15 Boîte d'alimentation électrique et dispositif d'affichage

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CN (1) CN217884142U (fr)
WO (1) WO2024026987A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN209765951U (zh) * 2019-04-28 2019-12-10 深圳市领灿科技有限公司 一种轻薄前后维护led显示屏
CN210042510U (zh) * 2019-03-07 2020-02-07 深圳市奥拓电子股份有限公司 电源盒及前后维护的led显示屏
CN210110225U (zh) * 2019-05-28 2020-02-21 深圳市奥拓电子股份有限公司 一种电源盒及led显示屏
CN210955954U (zh) * 2020-01-02 2020-07-07 深圳市科伦特电子有限公司 一种可前后维护电源盒的led显示屏
CN216161367U (zh) * 2021-09-14 2022-04-01 深圳利亚德光电有限公司 Led显示装置的箱体组件及led显示装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN210042510U (zh) * 2019-03-07 2020-02-07 深圳市奥拓电子股份有限公司 电源盒及前后维护的led显示屏
CN209765951U (zh) * 2019-04-28 2019-12-10 深圳市领灿科技有限公司 一种轻薄前后维护led显示屏
CN210110225U (zh) * 2019-05-28 2020-02-21 深圳市奥拓电子股份有限公司 一种电源盒及led显示屏
CN210955954U (zh) * 2020-01-02 2020-07-07 深圳市科伦特电子有限公司 一种可前后维护电源盒的led显示屏
CN216161367U (zh) * 2021-09-14 2022-04-01 深圳利亚德光电有限公司 Led显示装置的箱体组件及led显示装置

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