CN210721433U

CN210721433U - Display terminal

Info

Publication number: CN210721433U
Application number: CN201921201294.9U
Authority: CN
Inventors: 李文
Original assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd
Current assignee: Qstech Co Ltd
Priority date: 2019-07-29
Filing date: 2019-07-29
Publication date: 2020-06-09
Anticipated expiration: 2029-07-29

Abstract

The application discloses a display terminal relates to the technical field of electronic information. A display terminal includes a structural frame; the display screen comprises a plurality of groups of display screen modules, and the display screen is fixed on the structural frame at one side of the structural frame; a circuit arrangement secured to the structural frame on the other side thereof, wherein the circuit arrangement comprises: system board, power supply component and wireless receiving component. Because display terminal's circuit arrangement and display screen set up as an organic whole, circuit arrangement can control the multiunit display screen module in the display screen, consequently need not set up the circuit control room for the display screen alone, conveniently control and debug display terminal, and be provided with the wireless receiving subassembly among the circuit arrangement, the wireless signal that the external world sent can be received to the wireless receiving subassembly, circuit arrangement controls the display screen according to wireless signal, has improved display terminal convenience of use.

Description

Display terminal

Technical Field

The application relates to the technical field of electronic information, in particular to a display terminal.

Background

With the development of science and technology, more and more electronic devices enter people's lives, and various display terminals are also in endless, so the development of the display terminals becomes a research focus in the technical field of electronic information.

In the related art, a Light Emitting Diode (LED) display screen has been rapidly developed as a mainstream display screen for display terminals such as an advertisement display screen, an all-in-one machine, and a conference flat panel due to its characteristics of high reliability, long service life, strong environmental adaptability, and high cost performance. Generally, for a large advertisement display screen, a display terminal of the large advertisement display screen comprises a display screen and a control room, wherein the display screen and the control room are arranged in different rooms, and a device for generating video signals and control signals is arranged in the control room and is connected with the display screen through a cable so as to control the display screen through the device.

However, in the above-mentioned technology, since the display screen and the control room are separated and far away, it is inconvenient to debug the display screen and observe the display screen in the control room in synchronization.

SUMMERY OF THE UTILITY MODEL

The application provides a display terminal, can solve among the prior art inconvenient technical problem who observes the display screen simultaneously when debugging the display screen through the control room.

The application provides a display terminal, this display terminal includes:

a structural frame;

the display screen comprises a plurality of groups of display screen modules, and the display screen is fixed on the structural frame at one side of the structural frame;

a circuit arrangement secured to the structural frame on the other side of the structural frame,

wherein the circuit arrangement comprises:

the system board comprises a plurality of signal output interfaces, and the plurality of signal output interfaces are respectively connected with the plurality of groups of display screen modules;

the power supply assembly comprises a system power supply interface, and the system power supply interface is connected with the system board;

and the wireless receiving assembly is connected with the system board.

Optionally, the display terminal further includes:

the remote control device comprises a wireless transmitting assembly and a first key board which are connected;

the wireless transmitting assembly is matched with the wireless receiving assembly, and the first key board is provided with a plurality of keys.

Optionally, the system board comprises:

a central control module;

the signal transmitting module comprises a signal receiving interface and a plurality of signal output interfaces;

the signal receiving interface is connected with the central control module, and the plurality of signal output interfaces are respectively connected with the plurality of groups of display screen modules.

Optionally, the power supply assembly comprises:

a power supply component comprising a first power input interface and the system power interface, wherein the system power interface comprises a first system power interface and a second system power interface;

the first power input interface is connected with an external power supply, the first system power supply interface is connected with the central control module, and the second system power supply interface is connected with the signal sending module.

Optionally, the power supply assembly further comprises:

the wiring terminal block comprises a second power input interface and a plurality of display screen power supply interfaces;

the second power input interface is connected with the external power supply, and the plurality of display screen power supply interfaces are respectively connected with the plurality of groups of display screen modules.

Optionally, the power supply assembly further comprises:

a first relay component comprising a first drive interface, a first load interface, and a second load interface;

the first driving interface is connected with the central control module;

the connecting the second power input interface with the external power source comprises: the second power input interface is connected with the first load interface, and the external power supply is connected with the second load interface.

Optionally, the central control module includes a signal transmission interface;

the interface type of the signal sending interface comprises one or more of a network interface, a universal serial bus interface, a high-definition multimedia interface, a video graphics array interface and a DisplayPort interface;

the interface type of a signal receiving interface in the signal sending module is the same as the interface type of the signal sending interface in the central control module;

the signal sending interface is correspondingly connected with the signal receiving interface.

Optionally, the signal sending module further includes a first external signal interface;

the interface type of the first external signal interface comprises one or more of a network interface, a universal serial bus interface, a high-definition multimedia interface, a video graphics array interface and a DisplayPort interface.

Optionally, the display terminal further includes a second key board, and the second key board is connected to the central control module;

a second external signal interface and a plurality of keys are arranged on the first key board;

the interface type of the second external signal interface comprises one or more of a network interface, a universal serial bus interface, a high-definition multimedia interface, a video graphics array interface and a DisplayPort interface.

Optionally, the display terminal further comprises a system switch and a second relay component;

wherein the second relay component comprises a second drive interface, a third load interface, and a fourth load interface;

the first system power supply interface is connected to the central control module, and the second system power supply interface is connected to the signal sending module, including:

the second system power supply interface is connected with one end of the system switch, the other end of the system switch is connected with the signal sending module and the second driving interface, the first system power supply interface is connected with the third load interface, and the fourth load interface is connected with the central control module.

The beneficial effects brought by the technical scheme provided by some embodiments of the application at least comprise:

the application provides a display terminal, which comprises a structural framework; the display screen comprises a plurality of groups of display screen modules, and the display screen is fixed on the structural frame at one side of the structural frame; a circuit arrangement secured to the structural frame on the other side thereof, wherein the circuit arrangement comprises: the system board comprises a plurality of signal output interfaces which are respectively connected with the plurality of groups of display screen modules; the power supply assembly comprises a system power supply interface, and the system power supply interface is connected with the system board; and the wireless receiving assembly is connected with the system board. Because display terminal's circuit arrangement and display screen set up as an organic whole, circuit arrangement can control the multiunit display screen module in the display screen, consequently need not set up the circuit control room for the display screen alone, conveniently control and debug display terminal, and be provided with the wireless receiving subassembly among the circuit arrangement, the wireless signal that the external world sent can be received to the wireless receiving subassembly, circuit arrangement controls the display screen according to wireless signal, has improved display terminal convenience of use.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is an exploded schematic view of a display terminal according to an embodiment of the present disclosure;

FIG. 2 is a schematic plan view of a display terminal shown in FIG. 1;

fig. 3 is an exploded schematic view of a remote control device in a display terminal according to another embodiment of the present application;

fig. 4 is a schematic structural diagram of a system board in a display terminal according to another embodiment of the present application;

fig. 5 is a schematic plan view illustrating a display terminal according to another embodiment of the present application;

fig. 6 is a schematic plan view illustrating a display terminal according to another embodiment of the present application;

fig. 7 is a schematic structural diagram of a display terminal according to another embodiment of the present application;

fig. 8 is a schematic structural diagram of a display terminal according to another embodiment of the present application.

Detailed Description

In order to make the purpose, features and advantages of the present application more obvious and understandable, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the related art, for a large advertisement display screen, a display terminal of the large advertisement display screen includes a display screen and a control room, the display screen and the control room are disposed in different rooms, and a device for generating a video signal and a control signal is disposed in the control room and connected to the display screen through a cable, so as to control the display screen through the device. However, in the above technology, since the display screen and the control room are separated and far away from each other, it is inconvenient to debug the display screen and observe the display screen in the control room synchronously, and therefore, it is necessary to develop a display terminal with a more reasonable structure to meet the requirement of people for conveniently controlling and debugging the display terminal.

Referring to fig. 1 and fig. 2, fig. 1 is an exploded schematic view of a display terminal according to an embodiment of the present disclosure, and fig. 2 is a schematic plan connection diagram of the display terminal in fig. 1.

As shown in fig. 1 and 2, the display terminal 100 includes: a structural frame 120, a display screen 140, and a circuit device 160.

The structural frame 120 serves as a main frame of the display terminal 100, and on one hand, the structural frame 120 can fix an electronic structure and a device for displaying an image in the display terminal 100 thereon, where the electronic structure may refer to various modules or components having circuit functions, for example, the electronic structure may include a power supply module, a processor circuit module, a communication circuit module, a signal switching circuit module, and the like, and on the other hand, the structural frame 120 can ensure that the whole display terminal 100 has a certain strength.

It can be understood that the shape of the structural frame 120 determines the overall shape of the display terminal 100 to some extent, and therefore the specific shape of the structural frame 120 can be set according to the environment of the specific application of the display terminal 100, for example, if the display terminal 100 is used as an advertisement display board, it is required to display as much content as possible through the display terminal 100, and therefore the shape of the structural frame 120 can be set to be rectangular; the specific shape of the structural frame 120 may also be set according to the shape of the electronic structure or the device displaying the image in the display terminal 100, for example, if the electronic structure or the device displaying the image in the display terminal 100 is circular, the shape of the structural frame 120 may be set to be circular in order that the electronic structure or the device displaying the image may be better fixed on the structural frame 120.

Alternatively, in order to reduce the overall weight of the display terminal 100, a material of the structural frame 120 may be a lighter material such as plastic, or in order to increase the strength of the display terminal 100, a material of the structural frame 120 may also be a stronger material such as metal, and the material of the structural frame 120 is not limited in this application. Since the electronic structure and the device for displaying an image in the display terminal 100 can be fixed on the structural frame 120 without providing a control room for the electronic structure, it is convenient to control and debug the display terminal 100.

The display terminal 100 further includes a display screen 140, i.e., the device for displaying images as described above, the display screen 140 includes a plurality of sets of display screen modules 1402, and the display screen 140 is fixed to the structural frame 120 at one side of the structural frame 120.

It is understood that the display terminal 100 is implemented by driving the display screen 140 through an electronic structure, so that the display screen 140 can be used as a light emitting component of the display terminal 100. The Display screen 140 includes, but is not limited to, a Light Emitting Diode (LED) Display screen, a Liquid Crystal Display (LCD) Display screen, and a Cathode Ray Tube (CRT) Display screen, wherein the LED Display screen is a mainstream Display screen in the market due to its low price and excellent performance. For convenience of description, the display terminal 100 is described in the present application by taking the display screen 140 as an LED display screen.

Optionally, the display screen 140 may include a plurality of groups of display screen modules 1402, each group of display screen modules 1402 may be one LED light source or a module group composed of a plurality of LED light sources, each group of display screen modules 1402 may independently display an image, and the groups of display screen modules 1402 may be driven by an electronic structure to respectively display different portions of an image, that is, a complete image is displayed jointly through the combination of the groups of display screen modules 1402, and the application is not limited to the manner of displaying images by the groups of display screen modules 1402.

Optionally, to facilitate the installation of the display screen 140, the display screen 140 is disposed on one side of the structural frame 120, and the display screen 140 is fixed on the side of the structural frame 120, wherein the display screen 140 may be fixed on one side of the structural frame 120 by a fixing device such as a screw or a sticky substance such as an adhesive.

The display terminal 100 further includes a circuit device 160, the circuit device 160 being secured to the structural frame 120 on the other side of the structural frame 120.

It is understood that the circuit device 160, i.e., one or more of the different electronic structures described above, may refer to various modules or components having circuit functions. To facilitate the installation of the circuit device 160 and the overall structure of the display terminal 100 is beautiful, the circuit device 160 may be disposed at the other side of the structural frame 120, and the circuit device 160 is fixed at the side of the structural frame 120, so that the circuit device 160 and the display screen 140 are in opposite positions. The circuit device 160 may be fixed by a fixing device such as a screw or a viscous substance such as an adhesive, so that the circuit device 160 is fixed on the other side of the structural frame 120.

Optionally, the circuit arrangement 160 comprises: a system board 1602, a power component 1604, and a wireless reception component 1606.

The system board 1602 includes a plurality of signal output interfaces 16022, and the plurality of signal output interfaces 16022 are respectively connected to the plurality of sets of display screen modules 1402.

The system board 1602 is an electronic structure for processing an image signal and outputting the image signal. Since the display screen 140 is an LED display screen, and the display screen 140 includes a plurality of groups of display screen modules 1402, each group of display screen modules 1402 has one signal input interface 14022, in order to ensure the normal operation of the display screen 140, a plurality of signal output interfaces 16022 are also disposed on the system board 1602, the system board 1602 transmits the output processed image signal to the display screen 140 through the signal output interface 16022 thereon and the signal input interface 14022 on the display screen 140, and the display screen 140 displays an image based on the received image signal.

Optionally, the number of the signal output interfaces 16022 on the system board 1602 may be set according to the connection manner of the plurality of sets of display screen modules 1402 in the display screen 140. If the plurality of groups of display screen modules 1402 in the display screen 140 are independent, the signal output interfaces 16022 on the system board 1602 need to correspond to the signal input interfaces 14022 on the display screen modules 1402 one by one, so that the number of the signal output interfaces 16022 on the system board 1602 is consistent with the number of the display screen modules 1402 in the display screen 140; if a plurality of groups of display screen modules 1402 in the display screen 140 are connected in parallel, a row of horizontal display screen modules 1402 are connected in parallel or a column of vertical display screen modules 1402 are connected in parallel, then the row or column of display screen modules 1402 connected in parallel may share one signal output interface 16022, and the number of the signal output interfaces 16022 on the system board 1602 is consistent with the number of columns or rows of the display screen modules 1402 connected in parallel in the display screen 140, and may be set according to the actual application condition of the display terminal 100. A spare signal output interface 16022 may be reserved on the system board 1602, so as to meet the requirement that the display screen module 1402 can be added at any time. For convenience of description, the present application takes twenty-five groups of display screen modules 1402, the display screen modules 1402 are arranged in a five-row and five-column rectangular array, and each column of vertical display screen modules 1402 are connected in parallel as an example, so as to introduce a specific structure of the display terminal 100.

It can be understood that, since the twenty-five groups of display screen modules 1402 are arranged in a rectangular array with five rows and five columns, and the groups of display screen modules 1402 in each column are connected in parallel, the system board 1602 may be configured with five signal output interfaces 16022, where each signal output interface 16022 corresponds to one column of display screen modules 1402, that is, each signal output interface 16022 is connected to one column of display screen modules 1601402.

The circuit device 160 further includes a power supply component 1604, the power supply component 1604 including a system power interface 16042, the system power interface 16042 coupled to the system board 1602.

It can be understood that the system board 1602 needs to access a power supply to work, the system board 1602 includes a central processing unit chip, a memory and other circuit chips for processing images, and the voltage of these chips is usually supplied by a low voltage, and cannot be directly supplied by civil electricity, so that the civil electricity used in daily life needs to be converted into a power supply that can be used by the system board 1602 through the power supply component 1604, for example, a power supply with a voltage of 5V or a power supply with a voltage of 12V, and after the power supply component 1604 is connected to the system board 1602 through the system power supply interface 16042, the converted low voltage power is transmitted to the system board 1602 and is used by the system board 1602.

The circuit device 160 further includes a wireless receiving component 1606 connected to the system board 1602.

Alternatively, the wireless receiving component 1606 is configured to receive a wireless signal from the outside, the location of the wireless receiving component may be located on the other side of the structural frame 120, and a core receiving device of the wireless receiving component 1606, for example, a receiving head for receiving a signal, may be exposed at the edge of the structural frame 120, so as to increase the range of the wireless receiving component 1606 for receiving the wireless signal.

Alternatively, the wireless signal may be an image signal, and may also be a signal for controlling or debugging the display terminal 100. If the wireless signal is an image signal, after the wireless receiving component 1606 is connected to the system board 1602, the wireless receiving component 1606 may transmit the received image signal to the system board 1602, and after the system board 1602 receives the image signal, the image signal is processed, and the processed image signal is transmitted to the display screen 140 for displaying.

It can be understood that, if the wireless signal is a signal for controlling or debugging the display terminal 100, after the wireless receiving component 1606 is connected to the system board 1602, the wireless receiving component 1606 may transmit the received control signal or debugging signal to the system board 1602, and after the system board 1602 receives the control signal or debugging signal, the system board 1602 sets and debugs the system board 1602 according to the content indicated by the control signal or debugging signal, for example, the setting and debugging may include signal source switching, setting a standby mode, implementing a test mode, recording system key parameters, factory resetting, and the like; after the system board 1602 receives the control signal or the debug signal, it may further control to output a preset image signal according to the content indicated by the control signal or the debug signal, and implement the setting of the display screen 140, for example, the setting in the display screen 140 includes adjusting the brightness, color temperature, color, refresh rate, contrast, and the like of the display screen 140.

Optionally, the wireless signal transmission method used in the wireless receiving component 1606 includes, but is not limited to, Infrared (IR), zigbee (zigbee), Bluetooth (Bluetooth), wireless broadband (Wi-Fi), Ultra Wideband (UWB), Near Field Communication (NFC), and so on, and an appropriate wireless transmission method may be selected according to the requirement of the display terminal 100 in actual production. Since the circuit device 160 is provided with the wireless receiving component 1606, the wireless receiving component 1606 can receive a wireless signal sent from the outside, and the circuit device 160 controls the display screen 140 according to the wireless signal, thereby improving the convenience of the display terminal 100.

In an embodiment of the present application, a display terminal includes a structural frame; the display screen comprises a plurality of groups of display screen modules, and the display screen is fixed on the structural frame at one side of the structural frame; a circuit arrangement secured to the structural frame on the other side thereof, wherein the circuit arrangement comprises: the system board comprises a plurality of signal output interfaces which are respectively connected with the plurality of groups of display screen modules; the power supply assembly comprises a system power supply interface, and the system power supply interface is connected with the system board; and the wireless receiving assembly is connected with the system board. Because display terminal's circuit arrangement and display screen set up as an organic whole, circuit arrangement can control the multiunit display screen module in the display screen, consequently need not set up the circuit control room for the display screen alone, conveniently control and debug display terminal, and be provided with the wireless receiving subassembly among the circuit arrangement, the wireless signal that the external world sent can be received to the wireless receiving subassembly, circuit arrangement controls the display screen according to wireless signal, has improved display terminal convenience of use.

Referring to fig. 3, fig. 3 is an exploded schematic view of a remote control device in a display terminal according to another embodiment of the present application. The display terminal 100 in the embodiment of the present application is basically the same in structure as the display terminal 100 shown in fig. 1 and 2, except that in the embodiment of the present application:

the display terminal 100 further includes: a remote control device 180.

Optionally, the remote control device 180 includes a wireless transmission assembly 1802 and a first keypad 1804. A wireless signal representing the associated command is sent by remote control device 180 and wireless transmitting component 1802 is mated with wireless receiving component 1606, i.e., wireless receiving component 1606 can receive the wireless signal sent by wireless transmitting component 1802. When the wireless receiving component 1606 receives the wireless signal transmitted by the wireless transmitting component 1802, the wireless signal is transmitted to the system board 1602, and the system board 1602 processes the wireless signal, so as to implement debugging or controlling of the system board 1602 and the display screen 140.

Optionally, the first keypad 1804 is electrically connected to the wireless transmitter module 1802, a plurality of keys are preset on the first keypad 1804, the keys receive external pressure to trigger circuits corresponding to the keys, and the wireless transmitter module 1802 sends out a wireless signal represented by the key after the circuits corresponding to the keys are triggered. The types and the number of the preset keys on the first keypad 1804 may be set according to the application environment of the display terminal 100, and the preset key switches may include a standby/wake-up key, an up-move key, a down-move key, a left-move key, a right-move key, a confirm key, a volume-up key, a volume-down key, a return key, a set key 1, a menu key, a main interface key, and a mute key.

For example, if the display terminal 100 is in a state of playing an image, and the standby/wake-up key is pressed by an external force and triggers a circuit corresponding to the standby/wake-up key, the wireless transmitter module 1802 sends a wireless signal representing standby/wake-up, the wireless receiver module 1606 receives the wireless signal representing standby/wake-up and transmits the wireless signal representing standby/wake-up to the system board 1602, the system board 1602 processes the wireless signal representing standby/wake-up, stops outputting an image signal to the display screen 140, and controls each circuit in the system board 1602 to be in a low power consumption state, thereby implementing a standby operation of the display terminal 100.

In the embodiment of the application, the remote control device sends out related wireless signals, and the wireless transmitting assembly is matched with the wireless receiving assembly, that is, the wireless receiving assembly can receive the wireless signals sent out by the wireless transmitting assembly. After the wireless receiving assembly receives the wireless signals, the wireless signals are transmitted to the system board, the system board processes the wireless signals, and debugging or control over the system board and the display screen is achieved. Because the display terminal and the remote control device transmit signals in a wireless communication mode, the line connection of the display terminal can be reduced, the connecting line is saved, and the use convenience of the display terminal is improved.

Referring to fig. 4, fig. 4 is a schematic structural diagram of a system board in a display terminal according to another embodiment of the present application. The display terminal 100 in the embodiment of the present application is basically the same in structure as the display terminal 100 shown in fig. 1 and 2, except that in the embodiment of the present application:

the system board 1602 includes: a central control module 16024 and a signaling module 16026.

Optionally, the central control module 16024 includes a central processor and a system peripheral circuit, and is configured to process the image signal and issue a command, and the signal sending module 16026 includes a signal transceiver chip and a system peripheral circuit, and is configured to receive the image signal and the command processed by the central control module 16024, transmit the image signal to the display screen 140, and execute the received command.

Optionally, the signal transmitting module 16026 includes a signal receiving interface 160262 and a plurality of signal output interfaces 16022. The signal receiving interface 160262 is connected to the central control module 16024, the signal receiving interface 160262 is used for receiving the image signals and commands processed by the central control module 16024, the plurality of signal output interfaces 16022 are respectively connected to the plurality of sets of display screen modules 1402, and the image signals processed by the central control module 16024 are respectively transmitted to the plurality of sets of display screen modules 1402, and the corresponding embodiments of the plurality of signal output interfaces 16022 in fig. 1 and 2 are described in detail and are not described herein again.

In this embodiment, the system board further includes a central control module and a signal transmission module, wherein a signal receiving interface in the signal transmission module is connected to the central control module, and a plurality of signal output interfaces in the signal transmission module are respectively connected to the plurality of groups of display screen modules.

Referring to fig. 5, fig. 5 is a schematic plan view illustrating a display terminal according to another embodiment of the present application. The display terminal 100 in the embodiment of the present application is basically the same in structure as the display terminal 100 shown in fig. 4, except that in the embodiment of the present application:

the power supply component 1604 includes: a power supply component 16044 and a terminal block 16046.

The power supply component 16044 includes a first power input interface 160442 and a system power interface 16042, wherein the system power interface 16042 includes a first system power interface 160422 and a second system power interface 160424.

Optionally, the first power input interface 160442 is connected to an external power source, which may be a household power source (220V power). Since the power supply voltage for the central control module 16024 and the signal transmitting module 16026 to operate respectively may be different, for example, the power supply voltage for the central control module 16024 to operate is 12V, and the power supply voltage for the signal transmitting module 16026 to operate is 5V, the power supply component 16044 is required to convert the external power supply into 12V voltage and 5V voltage, so as to respectively supply power to the central control module 16024 and the signal transmitting module 16026. The first system power supply interface 160422 may be connected to the central control module 16024, and transmit the 12V voltage to the central control module 16024 for the central control module 16024 to work; the second system power supply interface 160424 is connected to the signal transmitting module 16026, and transmits a voltage of 5V to the signal transmitting module 16026, so that the signal transmitting module 16026 can operate.

Optionally, the terminal block 16046 includes a second power input interface 160462 and a plurality of display screen power interfaces 160464.

It will be appreciated that the display screen 140 may need to be powered in addition to the image signals input by the system board 1602 if the display screen 140 is to display an image. The second power input interface 160462 is connected to an external power source, which may also be a household power source (220V power source), because the display screen 140 includes multiple sets of display screen modules 1402, each set of display screen module 1402 has a display screen power interface 14024, each set of display screen module 1402 needs to supply power through the display screen power interface 14024, the wiring terminal row 16046 is used to tap the accessed external power source out of multiple display screen power supply interfaces 160464 having the same voltage as the external power source, and supply power to the multiple sets of display screen modules 1402 through the multiple display screen power supply interfaces 160464, so that one external power source can supply power to the multiple sets of display screen modules 1402.

Optionally, the connection of the display power interface 14024 is similar to the connection of the signal input interface 14022 in the display 140, and if the display power interface 14024 in the display 140 is independent, the display power interface 160464 on the terminal block 16046 corresponds to the display power interface 14024 in the display 140 one to one; if the display screen power interfaces 14024 in the display screen 140 are connected in parallel, a row of horizontal display screen modules 1402 may be connected in parallel together or a column of vertical display screen modules 1402 may be connected in parallel together, then the row or column of display screen modules 1402 connected in parallel may share one display screen power interface 14024, the number of the display screen power interfaces 160464 on the connection terminal row 16046 is the same as the number of columns or rows of the display screen modules 1402 connected in parallel in the display screen 140, and a spare display screen power interface may be reserved on the connection terminal row 16046, so as to meet the requirement that the display screen modules 1402 may be increased at any time. For convenience of description, the specific structure of the display terminal is described by taking, as an example, twenty-five groups of display screen modules 1402, where the display screen modules 1402 are arranged in a five-row and five-column rectangular array, and each column of vertical display screen modules 1402 are connected in parallel, so that the number of the display screen power supply interfaces 160464 on the terminal block 16046 is five.

In this application embodiment, first system power supply interface, second system power supply interface and binding post row among the power supply module can supply power for central control module, signaling module and display screen respectively, adopt above-mentioned power supply circuit structure, have not only satisfied the different power supply demands of each part among the display terminal, have improved the power supply efficiency of power supply module moreover.

Referring to fig. 6, fig. 6 is a schematic plan view illustrating a display terminal according to another embodiment of the present application. The display terminal 100 in the embodiment of the present application is basically the same in structure as the display terminal 100 shown in fig. 5, except that in the embodiment of the present application:

the power supply assembly 1604 may also include a first relay component 16048.

Optionally, the first relay component 16048 includes a first drive interface 160482, a first load interface 160484, and a second load interface 160486, wherein the number of the first drive interfaces 160482 can be plural. The first relay block 16048 is an electric control device, and is an electric appliance that causes a predetermined step change to the first load port 160484 or the second load port 160486 in an electric output circuit when a change in an input amount (excitation amount) to the first drive port 160482 is required, and the first relay block 16048 has an interaction relationship between a control system (input circuit) and a controlled system (output circuit).

Alternatively, the first relay component 16048 may be connected between an external power source and the second power input port 160462 of the terminal block 16046, and is used to control the connection/disconnection between the terminal block 16046 and the external power source (for example, for 220V household appliances), so as to control the power supply and power off of the display screen 140. The first driving interface 160482 of the first relay block 16048 may be connected to the central control module 16024, that is, the first relay block 16048 and the central control module 16024 form an input loop, and the central control module 16024 may send a control signal to control whether the change of the input amount (excitation amount) in the first driving interface 160482 meets the specified requirement.

Alternatively, if the first relay component 16048 is controlled to control the connection/disconnection between the terminal block 16046 and the external power source, so as to control the power supply and the power cut of the display screen 140, the connection of the second power input interface 160462 with the external power source includes: the second power input interface 160462 is connected to the first load interface 160484, and an external power source is connected to the second load interface 160486. If the central control module 16024 sends a control signal to control the change of the input amount (excitation amount) in the first driving interface 160482 to meet the specified requirement, the first load interface 160484 and the second load interface 160486 are connected inside the first relay component 16048, the connection terminal block 16046 is connected with an external power source, the external power source can supply power to the display screen 140, and the display screen 140 can be normally lighted; if the central control module 16024 sends a control signal to control the input amount (excitation amount) of the first driving interface 160482 not to meet the specified requirement, the first relay block 16048 will disconnect the first load interface 160484 from the second load interface 160486, the connection terminal block 16046 will disconnect from the external power source, the external power source will not supply power to the display screen 140, and the display screen 140 will not be lighted.

In the embodiment of the application, the control signal sent by the central control module can be obtained according to the wireless signal received by the wireless receiving assembly in the circuit device, and the control signal sent by the central control module is a small current signal, and a large current exists between the wiring terminal strip and the external power supply, so that the small current is used for controlling the on-off of the large current by utilizing the first relay component, the use safety of the display terminal is protected, and the safety of the display terminal is improved.

Referring to fig. 7, fig. 7 is a schematic structural diagram of a display terminal according to another embodiment of the present application. The display terminal 100 in the embodiment of the present application is basically the same in structure as the display terminal 100 shown in fig. 5, except that in the embodiment of the present application:

the central control module 16024 includes a signaling interface 160242. The central control module 16024 transmits the processed image signals and commands to the signal transmitting module 16026 through the signal transmitting interface 160242.

Optionally, the interface types of the signal transmitting interface 160242 include one or more of a network interface, a universal serial bus interface, a high-definition multimedia interface, a video graphics array interface, and a DisplayPort interface.

Optionally, the interface type of the signal receiving interface 160262 in the signal sending module 16026 is the same as the interface type of the signal sending interface 160242 in the central control module 16024, so that the signal sending interface 160242 is correspondingly connected to the signal receiving interface 160262.

Optionally, the signal transmitting module 16026 further comprises a first external signal interface 160264.

Optionally, the interface type of the first external signal interface 160264 includes one or more of a network interface, a universal serial bus interface, a high definition multimedia interface, a video graphics array interface, and a DisplayPort interface. The signal transmitting module 16026 may receive an image signal input from the outside through the first external signal interface 160264 and display the signal input from the outside.

In this embodiment of the application, the central control module includes a signal sending interface, and the interface type of the signal sending interface includes one or more of a network interface, a universal serial bus interface, a high-definition multimedia interface, a video graphics array interface, and a DisplayPort interface; the signal sending module further comprises a first external signal interface, and the interface type of the first external signal interface comprises one or more of a network interface, a universal serial bus interface, a high-definition multimedia interface, a video graphics array interface and a DisplayPort interface. Through the structure, the display terminal can be conveniently connected with the external device through the interfaces so as to receive the external signals transmitted by the external device, and the external expansibility of the display terminal is improved.

Referring to fig. 8, fig. 8 is a schematic structural diagram of a display terminal according to another embodiment of the present application. The display terminal 100 in the embodiment of the present application is basically the same in structure as the display terminal 100 shown in fig. 5, except that in the embodiment of the present application:

the display terminal 100 further includes a second keypad 1100.

Optionally, the second keypad 1100 is connected to a central control module 16024. The second keypad 1100 is provided with a second external signal interface 1102 and a plurality of preset keys. Wherein. The preset keys arranged on the second keypad 1100 may be the same as the preset keys arranged in the first keypad 1804 in the above embodiments, the types and numbers of the preset keys arranged on the second keypad 1100 may be set according to the application environment of the display terminal 100, and the preset key switches may also include a standby/wake-up key, an up-move key, a down-move key, a left-move key, a right-move key, a confirm key, a volume-up key, a volume-down key, a return key, a set key, a menu key, and a main interface key. Similar to the function of the first keypad 1804, the keys on the second keypad 1100, when pressed by an external force, trigger the circuits corresponding to the keys on the central control module 16024, so as to control the central control module 16024 to debug or control the whole system board 1602 and the display screen 140.

Alternatively, the central control module 16024 may receive an image signal input from the outside through the second outside signal interface 1102, and display the image signal input from the outside. The interface types of the second external signal interface 1102 include one or more of a network interface, a universal serial bus interface, a high-definition multimedia interface, a video graphics array interface, and a Display Port interface.

Optionally, the display terminal 100 further includes a system switch and a second relay component.

Wherein the second relay assembly includes a second driving interface, a third load interface and a fourth load interface, and the power supply and disconnection of the power supply 16044 to the central control module 16024 and the signal transmission module 16026 are realized by the closing and opening of the system switch, so the first system power supply interface 160422 is connected with the central control module 16024, and the second system power supply interface 160424 is connected with the signal transmission module 16026, including: the second system power supply interface 160424 is connected to one end of the system switch, the other end of the system switch is connected to the signal transmission module 16026 and the second driving interface, the first system power supply interface 160422 is connected to the third load interface, and the fourth load interface is connected to the central control module 16024.

When the system switch is turned off, the second system power supply interface 160424 is connected to the signal transmitting module 16026 through the system switch, so that the power supply of the signal transmitting module 16026 is realized, and the second system power supply interface 160424 is also connected to the second driving interface of the second relay component through the system switch, so that the voltage input by the second system power supply interface 160424 drives the third load interface and the fourth load interface in the second relay component to be connected, so that the first system power supply interface 160422 is connected to the central control module 16024, so that the power supply of the central control module 16024 is realized. When the system switch is turned off, the second system power supply interface 160424 is disconnected from the signal transmitting module 16026 to achieve the power-off of the signal transmitting module 16026, and the second system power supply interface 160424 is also disconnected from the second driving interface of the second relay component, so that the voltage drop input by the second system power supply interface 160424 will drive the third load interface and the fourth load in the second relay component to be disconnected, so that the first system power supply interface 160422 is disconnected from the central control module 16024, and the power-off of the central control module 16024 is achieved.

In the embodiment of the application, the display terminal further includes a second key board, the second key board is connected with the central control module, the second key board is further provided with a signal interface and keys, and the display control of the display terminal is realized by inputting a control signal through an external access signal or the keys, so that the external expansibility of the display terminal is further improved. And the display terminal also comprises a system switch and a second relay component, so that the safe power-off and power supply of the display terminal can be realized, and the use safety of the display terminal is improved.

In the embodiments provided in the present application, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, a division of modules is merely a division of logical functions, and an actual implementation may have another division, for example, a plurality of modules or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or modules, and may be in an electrical, mechanical or other form.

In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

In view of the above description of the display terminal provided by the present application, those skilled in the art will recognize that changes may be made in the embodiments and applications of the display terminal according to the teachings of the present application.

Claims

1. A display terminal, characterized in that the display terminal comprises:

a structural frame;

wherein the circuit arrangement comprises:

and the wireless receiving assembly is connected with the system board.

2. The display terminal according to claim 1, further comprising:

the remote control device comprises a wireless transmitting assembly and a first key board;

3. The display terminal of claim 2, wherein the system board comprises:

a central control module;

4. The display terminal of claim 3, wherein the power supply component comprises:

5. The display terminal of claim 4, wherein the power component further comprises:

6. The display terminal of claim 5, wherein the power component further comprises:

the first driving interface is connected with the central control module;

7. The display terminal of claim 3, wherein the central control module comprises a signaling interface;

8. The display terminal of claim 3, wherein the signal transmission module further comprises a first external signal interface;

9. The display terminal of claim 3, further comprising a second keypad, the second keypad being connected to the central control module;

10. The display terminal of claim 4, further comprising a system switch and a second relay component;