CN212516496U

CN212516496U - Control box and display device

Info

Publication number: CN212516496U
Application number: CN202021371661.2U
Authority: CN
Inventors: 杨家来
Original assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd; Guangzhou Shizhen Information Technology Co Ltd
Current assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd; Guangzhou Shizhen Information Technology Co Ltd
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2021-02-09
Anticipated expiration: 2030-07-13

Abstract

The utility model provides a control box and display device. Wherein, the control box includes: mounting box, control mainboard, power strip and first fishplate bar. The utility model provides a control box, through concentrating control mainboard, power strip and first keysets and setting up in the mounting box, transmit the control signal of control mainboard and the electric energy of power strip to the display screen through first keysets, so that the display screen works; therefore, the complicated wiring design in the display equipment is avoided, the structure in the equipment is simplified, the interior of the display equipment is simple and attractive, and the later maintenance and repair of the equipment are facilitated. The control box can be applied to display equipment of different models and sizes, has high universality and is beneficial to reducing the cost.

Description

Control box and display device

Technical Field

The utility model relates to a show technical field, especially relate to a control box and display device.

Background

With the progress of science and technology, the information is more and more convenient to spread. Among them, various display devices are used. For example, the digital signage is installed in large malls, supermarkets, hotel lobbies, restaurants, cinemas, and other public places where people and streams converge, and distributes information such as businesses, finance, and entertainment through a large-screen terminal display device.

The whole digital signage machine generally comprises a display screen and a rear shell, wherein a control mainboard, a power panel, an android board, a remote control small board, a TCON board and other circuit boards, a loudspeaker and the like are arranged between the rear shell and the display screen, so that power supply and signal control of the display screen are realized.

However, each circuit board and each electric device are installed respectively, so that wiring inside the whole machine is complex, and the maintenance and repair difficulty is high; the complicated wiring makes the whole structure large in size, and affects the attractiveness.

SUMMERY OF THE UTILITY MODEL

The utility model provides a control box and a display device, which solves the problems that the wiring inside the whole machine is complicated and the maintenance and repair difficulty is large because each circuit board and each electric device of the existing digital label whole machine are respectively installed; the complicated wiring makes the whole structure size big, influences the technical problem of pleasing to the eye degree.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model discloses a first aspect provides a control box, a mounting box, a control mainboard, a power panel and a first adapter plate; the control main board, the power panel and the first adapter board are all installed in the installation box, and the control main board is electrically connected with the power panel; the first adapter plate is respectively electrically connected with the control mainboard and the power panel, and the first adapter plate is used for being electrically connected with the display equipment so as to supply power to the display equipment and transmit control signals.

Compared with the prior art, the utility model discloses a control box that first aspect provided has following advantage:

the utility model provides a control box, through concentrating control mainboard, power strip and first keysets and setting up in the mounting box, transmit the control signal of control mainboard and the electric energy of power strip to the display screen through first keysets, so that the display screen works; therefore, the complicated wiring design in the display equipment is avoided, the structure in the equipment is simplified, the interior of the display equipment is simple and attractive, and the later maintenance and repair of the equipment are facilitated. The control box can be applied to display equipment of different models and sizes, has high universality and is beneficial to reducing the cost.

As an improvement of the above control box of the present invention, the mounting box includes a bottom plate and an upper cover, the control main board, the power board and the first adapter board are mounted on the bottom plate; the upper cover comprises a top plate and side plates arranged on the peripheral side of the top plate in a surrounding mode, and the side plates are fixedly connected with the bottom plate.

As an improvement of the above control box of the present invention, a plurality of heat dissipation holes are uniformly distributed on the top plate.

As an improvement of the above-mentioned control box of the utility model, be provided with fixed limit on the bottom plate, fixed limit be used for with display device's shell body coupling.

As an improvement of the above control box of the present invention, the first adapter plate is provided with a first adapter port; the control box still includes the patch cord, the both ends of patch cord are provided with first adapter and second adapter respectively, first adapter with first interface electricity is connected, the second adapter be used for with the display device electricity is connected.

As an improvement of the above control box of the present invention, the first adapter includes a joint seat, and a power supply socket and a signal socket disposed on the joint seat; the first conversion interface comprises an interface seat, and a power supply pin and a signal pin which are arranged in the interface seat, wherein the power supply pin is inserted in the power supply socket, and the signal pin is inserted in the signal socket.

As an improvement of the above-mentioned control box of the present invention, the mounting box is a metal box, and the metal box is grounded.

A second aspect of the utility model provides a display device, including display screen, shell body and first aspect the control box, be provided with the installation on the shell body the installing port of control box, the display screen with the first switching board electricity of control box is connected.

The display device provided by the second aspect of the present invention also has the same advantages as the control box of the first aspect, because the control box of the first aspect is included.

As the utility model discloses an above-mentioned display device's an improvement, the back of display screen is provided with the second keysets, just the second keysets with first keysets electricity is connected.

As an improvement of the above display device of the present invention, a signal enhancement chip is provided on the second adapter plate.

In addition to the technical problems, technical features constituting technical solutions, and advantageous effects brought by the technical features of the technical solutions described above, other technical problems that the control box and the display device provided by the present invention can solve, other technical features included in the technical solutions, and advantageous effects brought by the technical features will be described in further detail in the following detailed description.

Drawings

In order to illustrate more clearly the embodiments of the invention or the technical solutions in the prior art, the drawings which are needed in the description of the embodiments of the invention or the prior art will be briefly described below, it is obvious that the drawings in the following description are only a part of the embodiments of the invention, and the drawings and the description are not intended to limit the scope of the disclosed concept in any way, but to illustrate the disclosed concept for a person skilled in the art by referring to a specific embodiment, and for a person skilled in the art, other drawings can be obtained from the drawings without inventive effort.

Fig. 1 is an exploded view of a display device according to an embodiment of the present invention;

fig. 2 is a rear view of a display device according to an embodiment of the present invention;

fig. 3 is an internal rear view of a display device according to an embodiment of the present invention;

fig. 4 is an exploded view of a control box according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of the inside of the control box according to the embodiment of the present invention;

fig. 6 is a schematic structural diagram of a first adapter and a first adapter provided in an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of the first interface of FIG. 6;

FIG. 8 is a schematic structural view of the first adapter of FIG. 6;

fig. 9 is a schematic structural diagram of a first adapter plate according to an embodiment of the present invention;

fig. 10 is a schematic structural diagram of a second interposer according to an embodiment of the present invention;

fig. 11 is an electrical connection schematic diagram of a display device according to an embodiment of the present invention.

Description of reference numerals:

1: a control box; 11: mounting a box; 111: a base plate; 1111: fixing the edge; 112: a top cover; 1121: a top plate; 1122: a side plate; 1123: heat dissipation holes; 12: a control main board; 121: a power and control port; 122: an AMP port; 123: a USB port; 13: a power panel; 131: an AC port; 132: a power and control port; 133: a 24V output port; 14: a first transfer plate; 141: a first interface; 1411: an interface seat; 1412: a pin; 1413: a convex strip; 142: a V-by-one port; 145: a 24V input port; 146: an SPK port; 147: a backlight and control port; 148: a USB port; 15: an antenna; 16: a first adapter; 161: a joint base; 162: a socket; 163: a groove; 2: an outer housing; 21: an installation port; 3: a display screen; 31: a second adapter plate; 311: a second adapter port; 312: a V-by-one port; 314: a backlight port; 315: a signal enhancement chip; 316: a backlight boosting circuit; 317: a USB port; 318: an SPK port; 32: a backlight module; 33: a speaker; 34: a T-CON plate; 35: a touch screen or a touch frame; 36: an OC liquid crystal panel.

Detailed Description

The whole digital signage machine generally comprises a display screen and a rear shell, wherein a control main board, a power supply board, an android board, a remote control small board, a TCON board and other circuit boards, a loudspeaker and the like are arranged on the back of the display screen, and the rear shell is used for shielding. However, each circuit board and each electric device are installed respectively, so that wiring inside the whole machine is complex, and the maintenance and repair difficulty is high; the complicated wiring makes the whole structure large in size, and affects the attractiveness. The models with different sizes are matched with different powers and different power supply modes to different power panels, so that the design input cost of the power panel is high. The OC display panels with different sizes all need to adjust the power supply voltage, current and time sequence of the Panel-VCC, and the board cards cannot be used universally. The complicated wiring in the complete machine equipment causes the problems of EMC electromagnetic radiation and temperature rise. The board cards and power panels of different models and electric devices with the same function need to be redesigned, so that the development period is long and the cost is high.

For solving above-mentioned at least partial technical problem, the utility model provides a control box, control box will control circuit boards such as mainboard, power strip, tall and erect board of ann, remote control platelet and install in a mounting box, and each circuit board all is connected with the first switching board electricity that sets up in the mounting box. And a second adapter plate is arranged on the back of the display screen. The first adapter plate and the second adapter plate are electrically connected through the adapter wires. The control box is installed on the outer casing of the display device. Therefore, the circuit boards are arranged in the mounting box in a centralized manner, the complex wiring design in the whole machine is avoided, the structure of the whole machine can be simplified, the interior of the whole machine is simple and attractive, and the maintenance is convenient. The second adapter plate is provided with the booster circuit and the booster device, the second adapter plate can be suitable for display equipment with different sizes and models without replacing the control box, the cost is saved, and the universality of the control box is improved. The box body of the control box is a metal box, and the metal box is grounded, so that the electromagnetic radiation of the whole machine is favorably reduced, and the heat dissipation holes are formed in the box body of the control box, so that the heating problem of each circuit board in the control box is solved.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

Fig. 1 is an exploded view of a display device according to an embodiment of the present invention; fig. 2 is a rear view of a display device according to an embodiment of the present invention; fig. 3 is an internal rear view of a display device according to an embodiment of the present invention; fig. 4 is an exploded view of a control box according to an embodiment of the present invention; fig. 5 is a schematic structural diagram of the inside of the control box according to the embodiment of the present invention; fig. 6 is a schematic structural diagram of a first adapter and a first adapter provided in an embodiment of the present invention; FIG. 7 is a schematic structural diagram of the first interface of FIG. 6; FIG. 8 is a schematic structural view of the first adapter of FIG. 6; fig. 9 is a schematic structural diagram of a first adapter plate according to an embodiment of the present invention; fig. 10 is a schematic structural diagram of a second interposer according to an embodiment of the present invention; fig. 11 is an electrical connection schematic diagram of a display device according to an embodiment of the present invention.

Referring to fig. 1 to 5, an embodiment of the present invention provides a display device, which includes a display screen 3, an outer casing 2 and a control box 1, wherein the outer casing 2 is provided with an installation opening 21 for installing the control box 1, and the display screen 3 is electrically connected to a first adapter plate 14 of the control box 1.

The display screen 3 may be a liquid crystal display screen, an LED display screen, an OLED display screen, or the like, which is not limited herein. The embodiment of the utility model provides an use display screen 3 to explain for liquid crystal display as the example. Referring to fig. 1 and 2, the front surface of the display screen 3 is a display surface, and the back surface of the display screen 3 is provided with a backlight module 32, a TCON small plate 34, and the TCON small plate 34 includes a Power IC and a TCON IC, and the TCON IC is mainly responsible for outputting signals required by driving ICs on the liquid crystal panel, and no TCON IC is used for turning off the liquid crystal panel. The Power IC mainly supplies the required voltage to the driver IC. A speaker 33 is also mounted on the back of the display screen 3 to play audio.

The outer case 2 serves to protect the circuit board and the electronic components provided on the back of the display screen 3, and may have various shapes, for example, a rectangular outer case 2 is shown in fig. 1 and 2. The shell body 2 is fixed at the back of display screen 3, for example, the shell body 2 passes through the fix with screw at the back of display screen 3, or, the shell body 2 passes through the joint spare to be fixed at the back of display screen 3. The outer case 2 serves as a mounting structure for supporting and mounting the control box 1, and is provided with a mounting opening 21 for accommodating the mounting of the control box 1.

This use control box 1 that novel embodiment provided has integrateed display device's control circuit board and power to provide signal and power supply for display device's display function. Specifically, referring to fig. 4 and 5, an embodiment of the present invention provides a control box, which includes: the power supply comprises a mounting box 11, a control main board 12, a power supply board 13 and a first adapter board 14; the control main board 12, the power board 13 and the first adapter board 14 are all installed in the installation box 11, and the control main board 12 is electrically connected with the power board 13; the first adapter board 14 is electrically connected to the control main board 12 and the power board 13, respectively, and the first adapter board 14 is used for electrically connecting to a display device to supply power to the display device and transmit control signals.

Specifically, the control main board 12 serves as a control circuit board of the display device, and a plurality of chips may be disposed thereon, for example, an android platelet is disposed on the control main board 12 for communicating with an android system; for another example, the control main board 12 is provided with a remote control small board for receiving and transmitting remote control signals. Referring to fig. 11, the control main board 12 is provided with a power supply and control port 121 electrically connected to the power board 13, so that the power board 13 supplies power to the control main board 12 and realizes signal transmission therebetween. Optionally, the control main board 12 is fixed in the mounting box 11 by screws, and is stable and not easy to fall off.

The power panel 13 supplies power to the electric devices and the display device in the control box 1, and in conjunction with fig. 11, the power panel 13 is provided with an AC port 131 for connecting with the alternating current of the commercial power. The power board 13 is provided with a power supply and control port 132 electrically connected to the power supply and control port 121 of the control main board 12 to supply power to the control main board 12 and realize signal transmission. The power panel 13 is provided with a conversion circuit for converting the alternating current of the commercial power into the direct current of 24V, and the power panel 13 is further provided with a 24V output port 133 to be electrically connected with a 24V input port 145 on the first adapter plate 14, so as to supply power to the display device through the first adapter plate 14.

That is to say, in the utility model, the external commercial power through the AC port 131 supplies power to the power panel 13 to work, the control mainboard 12 controls the switch and the standby signal of the power panel 13, when the PS _ ON of the control mainboard 12 is opened, the power panel 13 receives the start signal, and the stable 24V of output goes to the first adaptor board 14; when the second adapter board 31 is connected to the second adapter board 31 through the adapter cable described below, the second adapter board 31 receives the 24V power supplied from the power board 13, i.e., the 24V power is supplied to the power board to turn on the backlight, and the second adapter boards 31 of different sizes are designed differently because the parameters of backlight boosting and screen timing, voltage, current, etc. are different. For example, in the 55-inch module backlight light bar scheme 6 × 12, the backlight voltage needs 120V/500mA × 2, and the second adapter plate 31 of the module needs to be boosted by 24V; for example, in the 65-inch module backlight light bar scheme 8 × 12, the backlight voltage needs 160V/500mA × 2, the second adapter plate 31 of the module needs to be boosted by 24V, the power of two models with different sizes is different due to the backlight scheme, and the design of the boost circuit and the model selection of the device are different.

The first adapter board 14 is provided with connection ports to be electrically connected with the control main board 12 and the power board 13, respectively, and the first adapter board 14 is further electrically connected with the display device to supply power to the display device and transmit control signals. Specifically, referring to fig. 9 and 11, the first adapter board 14 is provided with a V-by-one port 142, which is communicatively connected to the VBO port of the control motherboard 12, for transmitting 4K screen signals. The first adaptor board 14 is provided with an SPK port 146, which is in communication connection with the AMP port 122 on the control motherboard 12 for transmitting power amplifier signals. The first adapter board 14 is provided with a backlight control port 147, which is connected to the power supply and control port 121 ON the control main board 12 for transmitting BL _ ON and ADJ signals. The first adapter board 14 is further provided with a USB port 148, which is in communication connection with the USB port 123 provided on the control motherboard 14 to transmit standard USB signals for TP touch. Of course, the first adapter board 14 is further provided with a 24V input port 145, which is electrically connected to the 24V output port 133 on the power board 13 to supply power to the display device.

With continued reference to fig. 1, a remote control board, a WiFi board, etc. are also disposed in the control box 1, and the antenna 15 penetrates out of the mounting box 11.

Therefore, the utility model provides a control box 1 is through concentrating control mainboard 12, power strip 13 and first keysets 14 and setting up in mounting box 11, transmits the control signal of control mainboard 1 and the electric energy of power strip 13 to display screen 3 through first keysets 14 to make display screen 3 work; therefore, the complicated wiring design in the display equipment is avoided, the structure in the equipment is simplified, the interior of the display equipment is simple and attractive, and the later maintenance and repair of the equipment are facilitated. The control box 1 can be applied to display equipment with different models and sizes, has high universality and is beneficial to reducing the cost.

In order to realize electrical connection with the first adaptor plate 14, a second adaptor plate 31 is provided on the back surface of the display screen 3, and the second adaptor plate 31 is electrically connected with the first adaptor plate 14. Specifically, the first adapter plate 14 is provided with a first adapter 141, the second adapter plate 31 is provided with a second adapter 311, and the first adapter 141 and the second adapter 311 are electrically connected through a conducting wire to transmit signals and electric energy of the control main board 12 and the power board 13 to the display device.

Referring to fig. 1 and 3, the second interposer 31 is disposed on the back of the display screen 3, for example, the second interposer 31 is fixed to the back of the display screen 3 by screws; for another example, the second adapter plate 31 is fixed to the back of the display screen 3 by a clip.

Further, referring to fig. 10 and 11, a backlight boost circuit 316 and a backlight port 314 are disposed on the second interposer 31 to supply power to the backlight modules 32 with different sizes. The second interposer 31 is further provided with a USB port 317, which is electrically connected to the touch screen TP or the touch frame 35 to supply power thereto. The second interposer 31 is further provided with a V-by-one port (VBO port) 312, connected to the OC liquid crystal panel 36, for supplying power to the OC liquid crystal panel and transmitting a control signal.

Considering that the control box 1 is to be adapted to display devices of different sizes, the lengths of the patch cords between the second patch cord 31 and the first patch cord 14 may be different, and problems of serious signal attenuation, VBO eye diagram, screen flashing, flashing lines, abnormal screen, and the like of the whole device due to overlong patch cords may exist. For this purpose, a signal enhancement chip 315, for example, a 6M60 chip for enhancing signals, is provided on the second interposer 31. At this time, referring to fig. 11, the control main board 12 transmits the 4K signal to the liquid crystal panel OC through the LAYOUT line on the board, the first adapter board 14, the patch cord to the second adapter board 31, the signal enhancement chip 315, and the VBO port 312, and the 4K signal received by the display screen 3 is complete and not attenuated, so as to ensure that the image displayed by the display screen 3 is non-interference, intact and non-destructive.

With continued reference to fig. 11, the second adapter plate 31 is also provided with an SPK port 318 for communicatively coupling with the speaker 33 to transmit the sound signal to the speaker 33.

It is to be understood that the connection ports on the control main board 12, the power board 13, the first adapter board 14 and the second adapter board 31 are not limited to the above description, and can be set by those skilled in the art according to the actual situation. For example, a LAN port, an HDMI port, or the like may also be provided on the control motherboard 12.

As a modification of the above control box 1, the mounting box 11 includes a bottom plate 111 and an upper cover 112, the control main board 12, the power board 13 and the first adaptor board 14 are mounted on the bottom plate 111; the top cover 112 includes a top plate 1121 and a side plate 1122 surrounding the periphery of the top plate 1121, and the side plate 1122 is fixedly connected to the bottom plate 111.

The bottom plate 111 may be a flat plate structure, the upper cover 112 is a box structure with an opening at one end, and the bottom plate 111 and the upper cover 112 are fixedly connected to form an accommodating space for accommodating the control main board 12, the power board 13 and the first adapter board 14. The upper cover 112 includes a top plate 1121 and side plates 1122, wherein the top plate 1121 may be a rectangular flat plate mechanism, and the side plates 1122 are disposed around the top plate 1121. The top plate 1121 and the side plate 1122 can be integrally formed as a single piece. The side plate 1122 is fixedly connected to the bottom plate 111, for example, the side plate 1122 is connected to the bottom plate 111 by screws, or the side plate 1122 is fastened to the bottom plate 111.

Optionally, the control main board 12, the power board 13 and the first adapter board 14 are fixed on the bottom board 111 by screws, and the installation is stable and is not easy to loosen.

The embodiment of the present invention is described by taking the mounting box 11 as a rectangular box, but the shape of the mounting box 11 is not limited thereto.

Further, a plurality of heat dissipation holes 1123 are uniformly distributed on the top plate 1121 to dissipate heat of the control main board 12, the power board 13 and the first adaptor board 14 in the mounting box 11. The utility model discloses do not restrict louvre 1123's shape, quantity and the mode of arranging.

Optionally, a heat dissipation fan may be further installed inside the heat dissipation hole 1123 to accelerate the air flow for heat dissipation.

Here, the bottom plate 111 is a plate facing the display 3, and the top plate 1121 is a plate facing away from the display 3.

With continued reference to fig. 4 and 5, in order to achieve the fixing of the control box 1, a fixing edge 1111 is provided on the bottom plate 111, and the fixing edge 1111 is used for being connected with the outer case 2 of the display device. Specifically, be provided with the fixed orifices on the fixed limit 1111, be provided with the screw hole on the shell body 2, the screw passes fixed orifices and screw hole threaded connection to realize the installation of control box 1. In order to improve the stability of the installation of the control box 1, the upper and lower sides of the bottom plate 111 are respectively provided with a fixing edge 1111.

In order to reduce the thickness of the display device, the outer case 2 is provided with a mounting opening 21, and the control box 1 is accommodated in the mounting opening 21.

Referring to fig. 6 to 8, in order to electrically connect the first adapter plate 14 and the second adapter plate 31, the control box 1 of the present embodiment further includes an adapter line, and the first adapter 16 and the second adapter are respectively disposed at two ends of the adapter line. The first adapter 16 is electrically connected to the first adapter 141 of the first adapter plate 14; the second adapter is used for electrically connecting with the second adapter 311 of the second adapter plate 31 of the display device.

In order to adapt to display equipment with different models and sizes, a series of patch cords can be designed, only the lengths of the patch cords are different, and the patch cords at two ends are the same.

Specifically, the first adapter 16 includes a socket 161 and a socket 162 provided on the socket 161, the socket 162 including a power supply socket and a signal socket; the first conversion interface 141 includes an interface holder 1411 and pins 1412 disposed in the interface holder 1411, and the pins 1412 include power supply pins and signal pins, the power supply pins are inserted in the power supply sockets, and the signal pins are inserted in the signal sockets. The socket 161 may be inserted into the interface mount 1411. For the convenience of insertion, a protruding strip 1413 is arranged on the inner side of the interface holder 1411, the connector holder 161 is provided with a groove 163, and the protruding strip 1413 is matched with the groove 163 to realize the positioning and guiding of the connector holder 161 inserted into the interface holder 1411.

Optionally, the pins 1412 may include VBO signal pins, screen 12V power pins, 24V power pins, sound signal pins, etc., the first adapter 141 is provided with power pins and signal pins, and the interface type is also different from the existing interfaces on the market, in order to prevent the user from burning out the board card and the device by inserting wires similar to the device product, and the interface has front and back insertion fool-proofing.

The second adapter 311 and the first adapter 141 have the same structure, and the second adapter and the first adapter 16 have the same structure, which is not described herein again.

In one possible implementation manner, the mounting box 11 is a metal box, and the metal box is grounded, so that electromagnetic radiation can be guided underground, and the EMC electromagnetic radiation problem of the display device can be improved. Optionally, the mounting box 11 is an aluminum alloy box body, which is beneficial to increasing the strength of the mounting box 11 and avoiding damaging the control main board 12, the power board 13 and the first adapter board 14, and the aluminum alloy box body is relatively light, which is beneficial to reducing the weight of the control box 1. The outer side surface of the mounting box 11 is designed to be painted, so that the grounding effect, safety regulations, EMC, heat dissipation and the like are ensured to meet the standards.

To sum up, the utility model provides a control box and display device have following advantage at least:

1. development and testing are simple and fast, the control box 1 only needs to be well modified and tested during early development, and when new projects are developed for different size models in later periods, relevant EMC, electrical performance, temperature rise and other tests only need to test one side of the display screen 3 module, for example, 55-inch modules and 65-inch modules are matched, relevant tests only need to pack the modularized box into the whole machine, and test and display of relevant test items of the modules can shorten development time and reduce development cost.

2. The display equipment has a simple internal structure, and is simple, quick and convenient to maintain and repair.

3. The control box can be applied to display equipment with different sizes, and the application scene range is wide

4. The control main board 12, the power board 13 and the first adapter board 14 are installed in the installation box 11, so that the control performance stability of the display device is high, and the cost performance is high.

In the description above, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A control box, comprising: the power supply board comprises a mounting box, a control main board, a power supply board and a first adapter board;

the control main board, the power panel and the first adapter board are all installed in the installation box, and the control main board is electrically connected with the power panel;

the first adapter plate is respectively electrically connected with the control mainboard and the power panel, and the first adapter plate is used for being electrically connected with the display equipment so as to supply power to the display equipment and transmit control signals.

2. The control box according to claim 1, wherein the mounting box comprises a bottom plate and an upper cover, the control main board, the power board and the first adapter board are mounted on the bottom plate;

the upper cover comprises a top plate and side plates arranged on the peripheral side of the top plate in a surrounding mode, and the side plates are fixedly connected with the bottom plate.

3. The control box of claim 2, wherein the top plate has a plurality of heat dissipation holes uniformly distributed therein.

4. The control box of claim 2, wherein a fixing edge is disposed on the bottom plate, and the fixing edge is used for connecting with an outer shell of the display device.

5. The control box of claim 1, wherein the first interface plate is provided with a first interface;

the control box still includes the patch cord, the both ends of patch cord are provided with first adapter and second adapter respectively, first adapter with first interface electricity is connected, the second adapter be used for with the display device electricity is connected.

6. The control box of claim 5, wherein the first swivel joint comprises a joint base and a power supply socket and a signal socket arranged on the joint base;

the first conversion interface comprises an interface seat, and a power supply pin and a signal pin which are arranged in the interface seat, wherein the power supply pin is inserted in the power supply socket, and the signal pin is inserted in the signal socket.

7. The control box of any one of claims 1-6, wherein the mounting box is a metal box and the metal box is grounded.

8. A display device, comprising a display screen, an outer casing and the control box of any one of claims 1 to 7, wherein the outer casing is provided with a mounting opening for mounting the control box, and the display screen is electrically connected with the first adapter plate of the control box.

9. The display device according to claim 8, wherein a second adapter plate is disposed on a back surface of the display screen, and the second adapter plate is electrically connected to the first adapter plate.

10. The display device according to claim 9, wherein a signal enhancement chip is provided on the second interposer.