CN211375586U - Display device - Google Patents
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- CN211375586U CN211375586U CN202020349074.7U CN202020349074U CN211375586U CN 211375586 U CN211375586 U CN 211375586U CN 202020349074 U CN202020349074 U CN 202020349074U CN 211375586 U CN211375586 U CN 211375586U
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- transmission channel
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- data interface
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Abstract
The utility model provides a display device, display device includes: a data interface; the microcontroller is connected with the data interface; the first transmission channel switch is connected to the data interface and the microcontroller, and the microcontroller controls the first transmission channel switch to switch between a first signal transmission channel and a second signal transmission channel. The utility model provides a display device makes the control connection of multiple information type's signal channel accessible microcontroller to a data interface to same data interface can discern multiple information type, thereby display device's function is various, and it is convenient to use.
Description
Technical Field
The utility model relates to the field of electronic technology, in particular to display device.
Background
The intelligent interactive screen has the functions of being connected with the external equipment, displaying data information of the external equipment and supporting touch operation on the data information of the external equipment, and is popular with consumers. Because the external data input device and the touch operation device respectively use different protocols to communicate with the intelligent interactive screen, in the prior art, a plurality of interfaces supporting different communication protocols need to be arranged on the intelligent interactive screen, the interfaces supporting different communication protocols cannot be compatible, the functions of the interfaces are single, and if the interface for transmitting video data does not support the access of a mouse, a plurality of interfaces are often required to be arranged on the intelligent interactive screen to support various types of data input, so that the use is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a display device aims at solving among the prior art the unable compatibility of interface that supports different communication protocol on the mutual screen of intelligence, and the function singleness of each interface to need to set up a lot of interfaces in order to support multiple type data input, awkward problem on the mutual screen of intelligence.
In order to achieve the above object, the present invention provides a display device, including:
a data interface;
the microcontroller is connected with the data interface;
the first transmission channel change-over switch is connected with the data interface and the microcontroller, and the microcontroller controls the first transmission channel change-over switch to be switched between the first signal transmission channel and the second signal transmission channel.
Optionally, the touch screen further comprises a touch membrane group, a signal channel switch and a second transmission channel switch;
the second transmission channel switch is connected with the data interface and the microcontroller, the second transmission channel switch is also connected with the touch module and the signal channel switch, and the microcontroller controls the second transmission channel switch to be conducted with the touch module or the signal channel switch.
Optionally, the charging system further comprises a charging channel switch, the charging channel switch is connected with the data interface and the microcontroller, and the microcontroller controls the charging channel switch to be in a connected state or a disconnected state.
Optionally, the system further comprises an audio/video signal converter and a main chip;
the input end of the audio/video signal converter is connected with the first transmission channel change-over switch, and the output end of the audio/video signal converter is connected with the main chip.
Optionally, the first transmission channel switch and the second transmission channel switch are connected to an input end of the signal channel switch, and an output end of the signal channel switch is connected to the main chip.
Optionally, the output end of the signal channel switch is further connected to a plurality of main control devices, and the microcontroller controls the channel switch to switch between the main chip and each of the main control devices.
Optionally, the signal channel change-over switch is a single-pole multi-throw switch.
Optionally, the data interface, the microcontroller and the first transmission channel switch are disposed on the same circuit board.
Optionally, the data interface, the microcontroller, the first transmission channel switch and the second transmission channel switch are disposed on a same circuit board.
Optionally, the data interface, the microcontroller, the first transmission channel switch and the charging channel switch are disposed on the same circuit board.
In the technical scheme of the utility model, a plurality of connection states exist between the microcontroller and the data interface, the first signal transmission channel and the second signal transmission channel are two kinds of signal channels corresponding to the connection state between the microcontroller and the data interface, the first transmission channel change-over switch is provided with the first signal transmission channel and the second signal transmission channel, the first signal transmission channel and the second signal transmission channel form a connection loop with the data interface, the on-off of the connection loop is controlled by the microcontroller, when the microcontroller identifies that the external equipment connected on the data interface is storage equipment or input equipment, the first transmission channel change-over switch connects the second signal transmission channel, the storage equipment or the input equipment transmits information to the rear-stage circuit through the second signal transmission channel, when the microcontroller identifies that the external equipment connected on the data interface inputs audio and video signals, the first signal transmission channel is communicated by the first transmission channel change-over switch, and the external equipment transmits the audio and video signals to the post-stage circuit through the first signal transmission channel. Therefore, the microcontroller selects the signal channel corresponding to the information output type of the external equipment connected to the data interface to communicate with the connecting circuit of the post-stage circuit and the data interface, the signal channels of various information types can be connected to one data interface through the microcontroller, the same data interface can identify various information types, and the display equipment has various functions and is convenient to use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic diagram of a circuit connection structure according to an embodiment of the display device of the present invention.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1, to achieve the above object, the present invention provides a display device, including:
a data interface;
the microcontroller is connected with the data interface;
the first transmission channel change-over switch is connected with the data interface and the microcontroller, and the microcontroller controls the first transmission channel change-over switch to be switched between the first signal transmission channel and the second signal transmission channel.
In this embodiment, the data interface is located on the front panel of the display device, the front panel and the window of the display device are in the same direction, and the user can see the data interface from the viewing window at the same time, so that the external device can be conveniently plugged.
The display equipment is also provided with a main chip which is electrically connected with the microcontroller, the main chip outputs display signals according to a plurality of connection states of the microcontroller and the data interface, the microcontroller is electrically connected with the data interface, when the data interface is connected with external equipment, the microcontroller identifies the external equipment, a plurality of connection states exist between the microcontroller and the data interface, and each connection state corresponds to one signal channel. The external devices are of various types, such as a computer, a U disk or a keyboard and a mouse, and the same type of external device can output different types of information, for example, the computer can output video information to the data interface and can also be accessed to the data interface as a hard disk. The microcontroller judges the information output type of the external equipment connected on the data interface, and selects the corresponding signal channel to communicate with the main chip and the connection circuit of the data interface according to the information output type, so that the signal channels of various information types can be connected to one data interface through the microcontroller, and the same data interface can identify various information types, and has various functions and convenient use. Here, the microcontroller determines the information output type of the external device connected to the data interface, which belongs to the prior art and is not described in detail.
The display device is provided with a display window, and the display window displays the content stored on the main chip and the content transmitted to the main chip by the external device.
There are several connection states between the microcontroller and the data interface, such as: a first signal transmission channel and a second signal transmission channel. The first transmission channel switch is provided with a first signal transmission channel and a second signal transmission channel. In one embodiment, the first signal transmission channel is an audio/video signal transmission channel, the second signal transmission channel can be a USB signal transmission channel, the first signal transmission channel and the second signal transmission channel both form a connection loop with the data interface, the on-off of the connection loop is controlled by the microcontroller, when the microcontroller identifies that the external equipment connected to the data interface is storage equipment or input equipment, the first transmission channel switch connects the second signal transmission channel, the storage device or the input device transmits information to the rear-stage circuit (such as a main chip) through the USB signal transmission channel, when the microcontroller identifies that the external equipment connected to the data interface inputs audio and video signals, the first transmission channel switch communicates the first signal transmission channel, and the external equipment transmits the audio and video signals to the rear-stage circuit through the first signal transmission channel. Therefore, the microcontroller selects the signal channel corresponding to the information output type of the external equipment connected to the data interface to communicate with the connecting circuit of the post-stage circuit and the data interface, the signal channels of various information types can be connected to one data interface through the microcontroller, the same data interface can identify various information types, and the display equipment has various functions and is convenient to use.
In this embodiment, the data interface may be a Type-C front-end interface or a USB interface, and the second signal transmission channel may be a USB2.0 signal transmission channel or a USB3.0 signal transmission channel.
In an embodiment, the display device further comprises: the touch control module comprises a touch control membrane group, a signal channel change-over switch and a second transmission channel change-over switch;
the second transmission channel switch is connected with the data interface and the microcontroller, the second transmission channel switch is also connected with the touch module and the signal channel switch, and the microcontroller controls the second transmission channel switch to be conducted with the touch module or the signal channel switch.
The display device is simultaneously provided with a first transmission channel change-over switch and a second transmission channel change-over switch. When the first transmission channel change-over switch is switched to the first signal transmission channel, the microcontroller controls the second transmission channel change-over switch to be connected with the touch module to obtain the touch function of the external equipment, so that the audio and video information and the touch information are prevented from being connected to the external equipment through a plurality of interfaces, the operation is simple and convenient, the number of external connecting wires is reduced, and the connection is simple.
In this embodiment, the first signal transmission channel further includes a signal channel switch to control the connection between the first transmission channel switch and the main chip, and the signal channel switch is controlled by the microcontroller, so that a user can control the connection state of the main chip.
The data interface communicates with the microcontroller through a CC1 or CC2 protocol, the microcontroller communicates with the first transmission channel change-over switch through an IIC protocol, the first transmission channel change-over switch is provided with a first signal transmission channel and a second signal transmission channel, the first signal transmission channel and the second signal transmission channel form a connection loop with the data interface, and the connection and disconnection of the connection loop are controlled by the microcontroller.
When the second signal transmission channel is a USB3.0 signal transmission channel, the second transmission channel switch is used to transmit USB2.0 data signals.
The output end of the signal channel change-over switch is also connected with a plurality of main control devices, the microcontroller controls the channel change-over switch to be switched between the main chip and each main control device, and the channel change-over switch is a single-pole multi-throw switch.
The main control equipment can be connected to the output end of the channel change-over switch, whether the main control equipment is connected with the first transmission channel change-over switch and/or the second transmission channel change-over switch or not is controlled by the microcontroller, the output end of the channel change-over switch is connected with a plurality of main control equipment including the main chip, the microcontroller can receive a control instruction from a user, the control instruction contains selection information of the main control equipment, the microcontroller controls the channel change-over switch to be connected to the corresponding main control equipment according to the control instruction, and therefore the main control equipment can acquire output information of the external equipment and operate the external equipment.
In an embodiment, the display device further includes a charging channel switch, the charging channel switch is connected to the data interface and the microcontroller, and the microcontroller controls the charging channel switch to be in a connected state or a disconnected state.
The charging channel switch is connected with the data interface and the microcontroller, the external device transmits audio and video information to the main chip under the first signal transmission channel, the external device possibly has charging requirements, when the microcontroller judges that the information transmitted by the external device connected to the data interface is the audio and video information, the microcontroller controls the first transmission channel switch to be switched to the first signal transmission channel, the microcontroller receives a charging request from the external device, or the microcontroller sends the charging request to the external device, and when the microcontroller receives the charging request or obtains the charging permission of the external device, the charging channel switch is switched on a charging circuit. In this embodiment, a charging circuit is disposed in the charging channel switch to provide electric power for the external device.
The display device also comprises an audio/video signal converter; the input end of the audio/video signal converter is connected with the first transmission channel change-over switch, and the output end of the audio/video signal converter is connected with the main chip.
The first signal transmission channel can transmit audio and video signals with DP and other formats, the first signal transmission channel further comprises an audio and video signal converter, after the microcontroller communicates the first signal transmission channel, the first transmission channel switch transmits the audio and video signals to the audio and video signal converter, and the audio and video signal converter converts the DP format signals into HDMI format signals and transmits the HDMI format signals to the main chip so as to be displayed on the display device.
The display device comprises a front panel and a main control panel, wherein the front panel is electrically connected with the main control panel through a wire, and a data interface is arranged on a front panel of the display device, for example, a lower frame of a front frame, a main chip is mostly arranged on a rear back panel of the display device, the distance between the data interface and the main chip is far, especially the display device applied to a classroom, a conference room or an outdoor public occasion, therefore, the front panel and the main control panel are arranged on the display device for facilitating the arrangement of a circuit, wherein the main chip is arranged on the main control panel, and a signal channel formed by the microcontroller and the data interface is arranged on the front panel, so that the wiring is facilitated, and the production process is simplified.
The arrangement of the circuit can include the following forms: the data interface, the microcontroller and the first transmission channel change-over switch are arranged on a front panel; or, the data interface, the microcontroller, the first transmission channel switch and the second transmission channel switch are arranged on the same front panel; or, the data interface, the microcontroller, the first transmission channel change-over switch and the charging channel change-over switch are arranged on the same front panel.
The above is only the optional embodiment of the present invention, and not therefore the limit to the patent scope of the present invention, all the concepts of the present invention utilize the equivalent structure transformation of the content of the specification and the attached drawings, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.
Claims (10)
1. A display device, comprising:
a data interface;
the microcontroller is connected with the data interface;
the first transmission channel change-over switch is connected with the data interface and the microcontroller, and the microcontroller controls the first transmission channel change-over switch to be switched between the first signal transmission channel and the second signal transmission channel.
2. The display device according to claim 1, further comprising a touch film group, a signal channel switch, and a second transmission channel switch;
the second transmission channel switch is connected with the data interface and the microcontroller, the second transmission channel switch is also connected with the touch module and the signal channel switch, and the microcontroller controls the second transmission channel switch to be conducted with the touch module or the signal channel switch.
3. The display device according to claim 1, further comprising a charging channel switch, wherein the charging channel switch is connected to the data interface and a microcontroller, and the microcontroller controls the charging channel switch to be in a connection state or a disconnection state.
4. The display device according to claim 2, further comprising an audio-video signal converter and a main chip;
the input end of the audio/video signal converter is connected with the first transmission channel change-over switch, and the output end of the audio/video signal converter is connected with the main chip.
5. The display device according to claim 4, wherein the first transmission channel switch and the second transmission channel switch are connected to an input terminal of the signal channel switch, and an output terminal of the signal channel switch is connected to the main chip.
6. The display device according to claim 5, wherein the output terminal of the signal channel switch is further connected to a plurality of main control devices, and the microcontroller controls the channel switch to switch between the main chip and each of the main control devices.
7. The display device of claim 6, wherein the signal path switch is a single pole, multiple throw switch.
8. The display device according to claim 1, wherein the data interface, the microcontroller and the first transmission channel switch are disposed on a same circuit board.
9. The display device according to claim 2, wherein the data interface, the microcontroller, the first transmission channel switch, and the second transmission channel switch are disposed on a same circuit board.
10. The display device according to claim 3, wherein the data interface, the microcontroller, the first transmission channel switch, and the charging channel switch are disposed on a same circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020349074.7U CN211375586U (en) | 2020-03-18 | 2020-03-18 | Display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020349074.7U CN211375586U (en) | 2020-03-18 | 2020-03-18 | Display device |
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| CN211375586U true CN211375586U (en) | 2020-08-28 |
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| CN202020349074.7U Active CN211375586U (en) | 2020-03-18 | 2020-03-18 | Display device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022151769A1 (en) * | 2021-01-18 | 2022-07-21 | 深圳市松冠科技有限公司 | Display device without hdmi interface and method for enabling type interface to be compatible with hdmi |
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2020
- 2020-03-18 CN CN202020349074.7U patent/CN211375586U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022151769A1 (en) * | 2021-01-18 | 2022-07-21 | 深圳市松冠科技有限公司 | Display device without hdmi interface and method for enabling type interface to be compatible with hdmi |
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