CN217159292U

CN217159292U - Rechargeable LED desktop screen

Info

Publication number: CN217159292U
Application number: CN202121957205.0U
Authority: CN
Inventors: 于晋桓; 郑喜凤; 汪洋; 武金忠; 刘艳成
Original assignee: Changchun Cedar Electronics Technology Co Ltd
Current assignee: Changchun Cedar Electronics Technology Co Ltd
Priority date: 2021-08-19
Filing date: 2021-08-19
Publication date: 2022-08-09
Anticipated expiration: 2031-08-19

Abstract

The utility model relates to a chargeable LED desktop screen, which comprises an LED display screen, a desktop screen main body and a control system; the LED display screen is fixed on the table screen main body and is electrically connected with the control system; the control system is powered by the rechargeable battery and the rechargeable battery can be charged by the charging circuit. The utility model discloses the consumption reduction, the effect is clear, can put in the optional position, no longer receives the restriction of power cable, but wide application in scenes such as various business meetings, court, bank.

Description

Rechargeable LED desktop screen

Technical Field

The utility model belongs to the technical field of the electron desktop screen, concretely relates to chargeable formula LED desktop screen.

Background

The traditional desktop screen is generally powered by a direct charging type power supply of a power supply or an adapter, and the power supply mode has certain limitation in scenes such as business meetings, hospital consulting places, court desktop screens and the like. When the program is updated, a single USB interface or a network cable interface is generally adopted for communication, so that the appearance of the desktop screen is complicated. The LCD or paper table tablet are generally commonly adopted to traditional table screen, and paper table tablet often causes the waste when meeting temporarily or emergency meeting, or when personnel change appears. The LCD desktop screen has the disadvantages of high power consumption, poor display effect, etc., so that the prior art has the disadvantages and needs to be further improved.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide a chargeable formula LED desktop screen.

In order to solve the technical problem, the rechargeable LED desktop screen of the utility model comprises an LED display screen, a desktop screen main body and a control system; the LED display screen is fixed on the table screen main body and is electrically connected with the control system; the control system is powered by the rechargeable battery and the rechargeable battery can be charged by the charging circuit.

The charging circuit comprises a Type-C interface, an electric quantity indicating module, an electric quantity button and an indicating lamp; the rechargeable battery is installed in the battery box on the panel, and the power supply chip is connected and external power adapter is connected through Type-C interface to the positive pole of panel, and the negative pole of panel passes through the one end that electric quantity indicating module connects electric quantity button and pilot lamp respectively, and the other end ground connection of electric quantity button and pilot lamp.

The control system also comprises a picture program transmission and display circuit; the picture program transmission and display circuit comprises a Type-C interface, a signal transformer, a receiving card, a page turning key, a signal transceiver and a module connector; the Type-C interface is connected with an external computer through Ethernet and is connected with a receiving card through a signal transformer, and a program picture of the external computer is sent through the Type-C interface and the signal transformer and is prestored in the receiving card; the receiving card is respectively connected with one end of the page turning key and one end of the signal transceiver, and the other end of the page turning key is grounded; the other end of the signal transceiver is connected with the LED display screen through the module connector; the positive electrode of the power supply chip is connected with a power supply pin of the receiving card.

The control system also comprises a switching circuit; the startup and shutdown circuit comprises a startup/shutdown button, a startup and shutdown module, a circuit driving module and a power supply chip; the positive electrode of the battery panel is connected with the circuit driving module through the power supply chip; the power-on/power-off button is connected with the circuit driving module through the power-on/power-off module.

The LED display screen comprises a front screen facing the front and a rear screen facing the rear; the control system is arranged in an interlayer between the front screen and the rear screen and is electrically connected with the front screen and the rear screen.

The LED display screen comprises a front screen facing the front and a rear screen facing the rear; the front screen comprises two front split screens arranged side by side, and the rear screen comprises two rear split screens arranged side by side.

The front of the front screen is provided with a front transparent protection plate, and the back of the back screen is provided with a back transparent protection plate.

The table screen main body comprises a table screen structure frame and two table screen brackets; the desk screen structure frame is a rectangular frame and comprises an upper structure frame, a lower structure frame, a left structure frame and a right structure frame which are fixed together; grooves are arranged below the upper side structure frame and above the lower side structure frame; the upper edges and the lower edges of the front screen and the rear screen are respectively embedded into the grooves of the upper structural frame and the lower structural frame; the upper part and the lower part of the left side structure frame and the right side structure frame are respectively and fixedly connected with the upper side structure frame and the lower side structure frame; two table screen supports are connected with the left side structure frame and the right side structure frame bottom respectively.

The module connector, the receiving card, the battery panel, the indicating lamp, the Type-C interface, the electric quantity key, the page turning key and the power on/off key are all fixed on the PCB adapter plate; the battery board is electrically connected with the PCB adapter plate through the contact pin.

The indicating lamp, the Type-C interface, the electric quantity key, the page turning key and the power on/off key are sequentially arranged on the lower structure frame.

Has the advantages that: the utility model discloses well LED display screen adopts COB module concatenation to form, has improved resource utilization, has saved the financial resources of using manpower sparingly, has reduced the consumption, and the table screen shows that the effect is clear; the rechargeable battery can be placed at any position and is not limited by a power cable any more; the desktop screen charging requirement can be met by adopting a Type-C interface, and the program updating can also be met; the Type-C interface is dual-purpose, so that the desktop screen is concise in appearance. The intelligent conference system can meet development routes of intelligent conference and function integration, can be widely applied to various scenes such as business conferences, courts, banks and the like, and has high cost performance; can be through Type-C interface for rechargeable battery charging and realize the program update. The utility model discloses small, power consumptive low, environmental suitability is strong, and the display effect is outstanding.

Drawings

Fig. 1 is a schematic view of the overall structure of a rechargeable LED desktop screen.

Fig. 2 is a block diagram of the overall structure of the control system.

Fig. 3 is a block diagram of a charging circuit.

Fig. 4 is a block diagram of a circuit structure for transmitting and displaying a picture program.

Fig. 5 is a block diagram of the switching on/off circuit.

Fig. 6 is a partial enlarged view of the inner side of the left and right frame members of fig. 1.

Fig. 7 is a schematic view of an adapter card retaining plate.

Fig. 8 is a schematic diagram of a lower structure frame structure.

Fig. 9a and 9b are schematic front and back views of the PCB adapter plate, respectively.

Fig. 10 is a schematic view of the overall structure of another embodiment.

1-an LED display screen; 21-upper structural frame; 22-lower structural frame; 23-left structural frame; 24-right structural box; 31-a PCB adapter plate; 32-module connectors; 33-receiving the card; 331-threaded hole; 332-card slot; 34-a battery plate; 35-an indicator light; a 36-type-c interface; 371-electric quantity key; 372-page turning key; 373-power on/off button; 41-buckling; 42-male thread mouth; 43-screws; 5-rear transparent protective plate; 6-desk screen support.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and examples, it being understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other suitable relationship. The specific meaning of the above terms in the present invention can be specifically understood in specific cases by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," or "beneath" a second feature includes the first feature being directly under or obliquely below the second feature, or simply means that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

Example 1

As shown in fig. 1, the rechargeable LED desktop screen of the present invention comprises an LED display screen 1, a desktop screen main body, and a control system; LED display screen 1 fix in table screen main part, control system sets up inside table screen main part to with LED display screen 1 electric connection.

As shown in fig. 2, the control system includes a charging circuit, a picture program transmission and display circuit, and a switching circuit.

As shown in fig. 3, the charging circuit includes a Type-C interface, an electric quantity indicating module, an electric quantity button, and an indicator light; in the battery box of 3 section rechargeable battery series installations on the panel, the power supply chip on the anodal connection PCB keysets of panel and through Type-C interface connection external power adapter for insert the desktop screen with power adapter and charge for rechargeable battery. The negative pole of panel passes through the one end that electric quantity indicating module connects electric quantity button and pilot lamp respectively, and the other end ground connection of electric quantity button and pilot lamp. The electric quantity can be checked by pressing the electric quantity key through the four indicating lamps.

As shown in fig. 4, the picture program transmission and display circuit includes a Type-C interface, a signal transformer, a receiving card, a page turning key, a signal transceiver, and a module connector; the Type-C interface is connected with an external computer through Ethernet, and is connected with a receiving card through a signal transformer, and a program picture of the external computer is sent through the Type-C interface and the signal transformer and is prestored in the receiving card; the receiving card is respectively connected with the page turning key and the signal transceiver, and the other end of the page turning key is grounded; the other end of the signal transceiver is connected with the LED display screen through the module connector; the positive electrode of the power supply chip is connected with a power supply pin of the receiving card. And the related information to be displayed is sent to the receiving card through the Type-C interface, and then is transmitted and displayed on the LED display screen through the module connector. Pressing the page turning key can sequentially call the program pictures in the receiving card and display the program pictures on the LED display screen.

As shown in fig. 5, the power on/off circuit includes an on/off button, a power on/off module, a circuit driving module, and a power supply chip; the positive electrode of the battery panel is connected with the circuit driving module through the power supply chip; the power-on/power-off button is connected with the circuit driving module through the power-on/power-off module. And when the power-on/power-off button is pressed, the battery panel is driven to be powered on through the power-on/power-off module and the circuit driving module, and the power is cut off by pressing the power-on/power-off button again.

As shown in fig. 9(a) and 9(b), the module connector 32, the receiving card 33, the battery panel 34, the indicator light 35, the Type-C interface 36, the power button 371, the page turning button 372, and the power on/off button 373 are fixed on the PCB adapter; the battery board 34 is electrically connected with the PCB adapter board 31 through a pin; as shown in fig. 8, the indicator light 35, the Type-C interface 36, the power button 371, the page turning button 372, and the power on/off button 373 are sequentially arranged on the lower frame.

The battery board is electrically connected with the PCB adapter plate through the contact pin.

The charging seats of the 3 rechargeable batteries are respectively arranged at the periphery of one side of the PCB adapter plate.

The utility model discloses a theory of operation does: can charge to three section rechargeable battery through Type-C interface and fill up to the electric quantity, can prestore the receiving card with the program picture, also can send the instruction such as change luminance and colour temperature of external computer to the LED display screen.

As shown in fig. 1, the LED display screen 1 includes a front screen facing the front and a rear screen facing the rear; the control system is arranged in an interlayer between the front screen and the rear screen and is electrically connected with the front screen and the rear screen; the front screen comprises two front split screens arranged side by side, and the rear screen comprises two rear split screens arranged side by side; when the mobile phone is used, the back screen can show user information towards a user, and the front screen can show related information towards the outside; the two front split screens and the two rear split screens can display different information according to requirements.

The table screen main body comprises a table screen structure frame and two table screen brackets 6; the desk screen structure frame is a rectangular frame and comprises an upper structure frame 21, a lower structure frame 22, a left structure frame 23 and a right structure frame 24 which are fixed together; grooves are arranged below the upper side structure frame 21 and above the lower side structure frame 22; the upper edges and the lower edges of the front screen and the rear screen are respectively embedded in the grooves of the upper structural frame 21 and the lower structural frame 22; the upper parts and the lower parts of the left structural frame 23 and the right structural frame 24 are fixedly connected with the upper structural frame 21 and the lower structural frame 22 through screws; as shown in FIG. 6, the left structural frame 23 and the right structural frame 24 have a snap 41 on the upper part and a threaded hole 42 on the lower part. As shown in fig. 7, the left and right fixing plates for receiving the card have a screw hole 331 and a card slot 332; the fixing plates of the left and right receiving cards are fixed on the inner sides of the left structural frame 23 and the right structural frame 24 through screws and buckles 41; the two desk screen brackets 6 are respectively connected with the convex thread openings 42 at the bottoms of the left structural frame 23 and the right structural frame 24 through screws.

The front and rear divided screens are COB display modules with a dot pitch of 1.27, the module resolution is 130 × 90, and are connected to the receiving card 33 through the module connector 32 in a prescribed direction.

The two table screen brackets 6 are fixed on two sides of the lower side structure frame 22, and when in use, the whole table screen is horizontally supported on a table top or any horizontal plane.

Example 2

As shown in fig. 10, the present embodiment is different from embodiment 1 in that the LED display panel 1 includes a front panel facing the front and a rear panel facing the rear; the front of the front screen is provided with a front transparent protection plate, and the back of the back screen is provided with a back transparent protection plate. The table screen main body 2 comprises a table screen structure frame and two table screen brackets 6; the desk screen structure frame comprises an upper structure frame 21, a lower structure frame 22, a left structure frame 23 and a right structure frame 24 which are fixed together; grooves are arranged below the upper side structure frame 21 and above the lower side structure frame 22; the upper edges and the lower edges of the front screen, the rear screen, the front transparent protection plate and the rear transparent protection plate are respectively embedded into the grooves of the upper structural frame 21 and the lower structural frame 22; the upper and lower parts of the left and right structure frames 23, 24 are fixedly connected with the upper and lower structure frames 21, 22 by screws 4.

The front transparent protection plate and the rear transparent protection plate 5 are made of black tea organic glass, and the display effect is excellent when the LED display screen is used.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. A rechargeable LED table screen is characterized by comprising an LED display screen (1), a table screen main body and a control system; the LED display screen (1) is fixed on the table screen main body and is electrically connected with the control system; the control system is powered by the rechargeable battery and the rechargeable battery can be charged by the charging circuit.

2. The rechargeable LED desktop screen according to claim 1, wherein the charging circuit comprises a Type-C interface, a power indication module, a power button and an indicator light; the rechargeable battery is installed in the battery box on the panel, and the power supply chip is connected and external power adapter is connected through Type-C interface to the positive pole of panel, and the negative pole of panel passes through the one end that electric quantity indicating module connects electric quantity button and pilot lamp respectively, and the other end ground connection of electric quantity button and pilot lamp.

3. The rechargeable LED desktop screen of claim 1, wherein said control system further comprises a picture programming transmission and display circuit; the picture program transmission and display circuit comprises a Type-C interface, a signal transformer, a receiving card, a page turning key, a signal transceiver and a module connector; the Type-C interface is connected with an external computer through Ethernet and is connected with a receiving card through a signal transformer, and a program picture of the external computer is sent through the Type-C interface and the signal transformer and is prestored in the receiving card; the receiving card is respectively connected with one end of the page turning key and one end of the signal transceiver, and the other end of the page turning key is grounded; the other end of the signal transceiver is connected with the LED display screen through the module connector; the positive electrode of the power supply chip is connected with a power supply pin of the receiving card.

4. The rechargeable LED desktop screen of claim 1, wherein said control system further comprises a switch circuit; the startup and shutdown circuit comprises a startup/shutdown button, a startup and shutdown module, a circuit driving module and a power supply chip; the positive electrode of the battery panel is connected with the circuit driving module through the power supply chip; the power-on/power-off button is connected with the circuit driving module through the power-on/power-off module.

5. The rechargeable LED desktop screen of claim 1, wherein the LED display screen comprises a front screen facing forward and a rear screen facing rearward; the control system is arranged in an interlayer between the front screen and the rear screen and is electrically connected with the front screen and the rear screen.

6. The rechargeable LED desktop screen of claim 1, wherein the LED display screen comprises a front screen facing forward and a rear screen facing rearward; the front screen comprises two front split screens arranged side by side, and the rear screen comprises two rear split screens arranged side by side.

7. The rechargeable LED desktop screen according to claim 5 or 6, wherein a front transparent protection plate is arranged in front of the front screen, and a rear transparent protection plate is arranged behind the rear screen.

8. The rechargeable LED table screen according to claim 5 or 6, characterized in that the table screen body comprises a table screen structure frame and two table screen supports (6); the desk screen structure frame is a rectangular frame and comprises an upper structure frame (21), a lower structure frame (22), a left structure frame (23) and a right structure frame (24) which are fixed together; grooves are arranged below the upper side structure frame (21) and above the lower side structure frame (22); the upper edges and the lower edges of the front screen and the rear screen are respectively embedded into the grooves of the upper structural frame (21) and the lower structural frame (22); the upper parts and the lower parts of the left structural frame (23) and the right structural frame (24) are respectively fixedly connected with the upper structural frame (21) and the lower structural frame (22); the two desk screen brackets (6) are respectively connected with the bottoms of the left structural frame (23) and the right structural frame (24).