CN215450159U - Double-sided screen synchronous display circuit - Google Patents
Double-sided screen synchronous display circuit Download PDFInfo
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- CN215450159U CN215450159U CN202122006614.9U CN202122006614U CN215450159U CN 215450159 U CN215450159 U CN 215450159U CN 202122006614 U CN202122006614 U CN 202122006614U CN 215450159 U CN215450159 U CN 215450159U
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Abstract
The utility model discloses a double-sided screen synchronous display circuit.A signal input end of an input connecting seat is connected with a signal output end of a signal output module; the signal input end of the signal conversion module is connected with the signal output end of the input connecting seat; the signal input end of the first output connecting seat is connected with the signal output end of the signal conversion module; the signal input end of the first display module is connected with the signal output end of the first output connecting seat; the signal input end of the second output connecting seat is connected with the signal output end of the signal conversion module; the signal input end of the second display module is connected with the signal output end of the second output connecting seat. Other data (including but not limited to TYPE-C signals) signals are converted into data streams which can be recognized by the display screen through the signal conversion module, and the data streams are not limited to data streams output by the special port of the computer host.
Description
Technical Field
The utility model relates to the field, in particular to a double-sided screen synchronous display circuit.
Background
The existing dual-screen display is generally established on a computer host, however, a dual port special for screen viewing is needed on the computer host, and when the related port of the computer host is damaged, or under the condition that the computer host is not provided, the dual-screen display cannot be realized.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a double-screen synchronous display circuit, and aims to solve the problem that double-screen display is limited too much in the prior art.
The embodiment of the utility model provides a double-sided screen synchronous display circuit which comprises a signal output module, an input connecting seat, a signal conversion module, a first output connecting seat, a first display module, a second output connecting seat and a second display module.
The signal input end of the input connecting seat is connected with the signal output end of the signal output module; the signal input end of the signal conversion module is connected with the signal output end of the input connecting seat; the signal input end of the first output connecting seat is connected with the signal output end of the signal conversion module; the signal input end of the first display module is connected with the signal output end of the first output connecting seat; the signal input end of the second output connecting seat is connected with the signal output end of the signal conversion module; and the signal input end of the second display module is connected with the signal output end of the second output connecting seat.
In the embodiment of the utility model, the video signals input from the input connecting seat are converted into two identical video output signals through the signal conversion module, and the two identical video output signals are respectively sent to the first display module and the second display module through the first output connecting seat and the second output connecting seat for display;
wherein, the input signal that the input connecting seat received can be for including other video signal of TYPE-C signal, and signal output module can be the video signal output device that has TYPE-C socket such as cell-phone promptly for the suitability that double-screen display shows is stronger, need not be restricted and uses on computer.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic circuit diagram of an input connection socket according to an embodiment of the present invention;
fig. 2 is a circuit schematic diagram of a signal conversion module according to an embodiment of the present invention;
FIG. 3 is a schematic circuit diagram of a touch control module according to an embodiment of the present invention;
fig. 4 is a circuit diagram of a first switch module according to an embodiment of the present invention;
fig. 5 is a circuit diagram of a second switch module according to an embodiment of the present invention;
fig. 6 is a schematic circuit diagram of a first output connector socket and a second output connector socket according to an embodiment of the present invention;
fig. 7 is a schematic block diagram provided by an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. 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 invention.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in the specification of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
Referring to fig. 1-7, a dual-panel synchronous display circuit includes a signal output module, an input connector, a signal conversion module, a first output connector, a first display module, a second output connector, and a second display module.
The signal input end of the input connecting seat is connected with the signal output end of the signal output module; the signal input end of the signal conversion module is connected with the signal output end of the input connecting seat; the signal input end of the first output connecting seat is connected with the signal output end of the signal conversion module; the signal input end of the first display module is connected with the signal output end of the first output connecting seat; the signal input end of the second output connecting seat is connected with the signal output end of the signal conversion module; and the signal input end of the second display module is connected with the signal output end of the second output connecting seat.
In this embodiment, the video signal inputted from the input connection socket is converted into two identical video output signals by the signal conversion module, and the two identical video output signals are respectively sent to the first display module and the second display module through the first output connection socket and the second output connection socket for display.
Wherein, the input signal that the input connecting seat received can be TYPE-C signal, and signal output module can be the video signal output device that has TYPE-C socket such as cell-phone promptly for the suitability of double-screen display is stronger, need not be restricted and uses on computer.
In an embodiment, the signal conversion module comprises a main control module, a first switch module is arranged between the signal conversion module and the second output connection seat, a control end of the first switch module is connected with the main control module, and the first switch module is used for controlling signal connection and disconnection between the signal conversion module and the second output connection seat.
In this embodiment, control first switch module through host system (send control command), and then disconnection and connection between control signal conversion module and the second output connecting seat, make the user can freely control the demonstration of second display screen whether, for example when bank is handled card or hospital and registers, the operation progress of user can be looked over through the second display screen to the consultant under the normal condition, when the user need carry out the secret operation, the user can control the signal output who breaks off the second display screen through host system, the consultant just can not see corresponding secret operation this moment, and therefore, the device is high in operability, the device can be convenient for the consultant to know the progress, and convenience of users is again to the protection of secret operation.
In an embodiment, the first switch module includes a plurality of first MOS transistors, the number of the first MOS transistors corresponds to the number of the data connection pin pairs between the signal conversion module and the second output connection seat, each of the first MOS transistors is respectively disposed between the data connection pins in each of the data connection pin pairs, and the control end of the first MOS transistor is connected to the main control module.
In this embodiment, the first switch module is an MOS transistor, and the main control module controls a control end of the MOS transistor, that is, performs output conversion of high and low levels, to control a conduction state of a circuit in the MOS transistor, where the MOS transistor may be a P-MOS transistor or an N-MOS transistor, and may be specifically determined according to a practical situation.
The number of the first MOS transistors corresponds to the number of the data connection pin pairs between the signal conversion module and the second output connection seat, and each of the first MOS transistors is respectively disposed between the data connection pins in each of the data connection pin pairs.
For example, 3 data connection pins are needed to be connected between the signal conversion module and the second output connection seat, the number of the data connection pin pairs between the signal conversion module and the second output connection seat is 3, three data connection lines are needed between the signal conversion module and the second output connection seat, and in order to control the connection state of the three data connection lines, namely connection or disconnection, switches, namely MOS transistors, need to be correspondingly arranged in the three data connection lines respectively.
In an embodiment, the touch control module is included, a signal input end of the touch control module is connected to another signal output end of the input connection seat, and signal output ends of the touch control module are respectively connected to the first output connection seat and the second output connection seat.
In the embodiment, the touch control module (receiving and sending the touch signal) is arranged, so that the touch operation of a user and a consultant is facilitated, the operation is convenient, and the touch control module is particularly friendly to the old.
In an embodiment, the touch control module is connected to the first output connection seat and the second output connection seat through two sets of second switch modules, and control ends of the two sets of second switch modules are connected to the main control module respectively.
In this embodiment, the second switch module is controlled by the main control module (sending a control command), and then the connection states of the touch signals of the first output connection seat and the second output connection seat are controlled by the two sets of second switch modules respectively; the first output connecting seat can be connected with a touch pad and arranged at a user end, and can be closed at the angle of a user when the first output connecting seat is not used so as to avoid misoperation caused by error touch, the second output connecting seat can be connected with another touch pad and arranged at a consultant end, and can be closed at the angle of the consultant when the user performs important operation so as to avoid unnecessary influence.
In an embodiment, the second switch module includes a plurality of second MOS transistors, the number of the second MOS transistors corresponds to the number of data connection pin pairs between the touch control module and the first output connection seat or the second output connection seat, each of the second MOS transistors is respectively disposed between data connection pins in each of the data connection pin pairs, and a control end of the second MOS transistor is connected to the main control module.
In this embodiment, the second switch module is similar to the first switch module in arrangement, and the connection mode of the first switch module can be specifically checked.
Wherein, the number of the second MOS transistor corresponds to the number of the data connection pin pairs between the touch control module and the first output connection seat or the second output connection seat, which can be understood as: the number of the second MOS tubes arranged between the touch control module and the first output connecting seat corresponds to the number of the data connecting pin pairs between the touch control module and the first output connecting seat, and the number of the second MOS tubes arranged between the touch control module and the second output connecting seat corresponds to the number of the data connecting pin pairs between the touch control module and the second output connecting seat.
In one embodiment, the signal output module is a computer host, and may also be a mobile phone or other devices.
In an embodiment, the first display module and the second display module are both display screens.
In an embodiment, the first touch module and the second touch module are both touch panels.
In an embodiment, the first output connecting socket and the second output connecting socket are both MIPI signal sockets.
Specifically, foretell first output connecting seat and second output connecting seat all can connect display screen and touch pad, are a multi-functional picture peg, and main control module controls the signal connection state of display screen and touch pad through corresponding switch module.
Specifically, the signal conversion module is a chip or module having a TYPE-C signal input and two TYPE-C signal outputs, such as longxun LT 7911.
Specifically, the input connection seat can be a TYPE-C seat, or can be a common high-speed signal seat such as V-BY-ONE, eDP, LVDS and the like.
Specifically, the main control module is a chip with a function of a single chip, such as a small RV1108 of a rayleigh chip.
Specifically, the touch control module is a USB2.0 HUB, and the model may be michip USB 5744.
Specifically, in fig. 2, a is a pin in the signal conversion module connected to the first output connection seat, and B is a pin in the signal connection module connected to the second output connection seat.
Specifically, in fig. 3, C is a pin connecting the touch control module to the second output connection socket, and D is a pin connecting the touch control module to the first output connection socket.
While the utility model has been described with reference to specific embodiments, the utility model is not limited thereto, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the utility model. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A double-sided screen synchronous display circuit is characterized by comprising:
a signal output module;
the signal input end of the input connecting seat is connected with the signal output end of the signal output module;
the signal input end of the signal conversion module is connected with the signal output end of the input connecting seat;
the signal input end of the first output connecting seat is connected with the signal output end of the signal conversion module;
the signal input end of the first display module is connected with the signal output end of the first output connecting seat;
the signal input end of the second output connecting seat is connected with the signal output end of the signal conversion module;
and the signal input end of the second display module is connected with the signal output end of the second output connecting seat.
2. The double-sided screen synchronous display circuit of claim 1, wherein: the intelligent control device comprises a main control module, wherein a first switch module is arranged between the signal conversion module and the second output connecting seat, the control end of the first switch module is connected with the main control module, and the first switch module is used for controlling the signal connection and disconnection between the signal conversion module and the second output connecting seat.
3. The double-sided screen synchronous display circuit of claim 2, wherein: the first switch module comprises a plurality of first MOS tubes, the number of the first MOS tubes corresponds to the number of data connection pin pairs between the signal conversion module and the second output connecting seat, each first MOS tube is arranged between the data connection pins in each data connection pin pair, and the control end of each first MOS tube is connected with the main control module.
4. The double-sided screen synchronous display circuit of claim 2, wherein: the touch control module comprises a touch control module, wherein a signal input end of the touch control module is connected with another signal output end of the input connecting seat, and a signal output end of the touch control module is respectively connected with the first output connecting seat and the second output connecting seat.
5. The double-sided screen synchronous display circuit of claim 4, wherein: the touch control module is respectively connected with the first output connecting seat and the second output connecting seat through two groups of second switch modules, and the control ends of the two groups of second switch modules are respectively connected with the main control module.
6. The double-sided screen synchronous display circuit of claim 5, wherein: the second switch module comprises a plurality of second MOS tubes, the number of the second MOS tubes corresponds to the number of data connection pin pairs between the touch control module and the first output connecting seat or the second output connecting seat, each second MOS tube is respectively arranged between the data connection pins in each data connection pin pair, and the control end of each second MOS tube is connected with the main control module.
7. The double-sided screen synchronous display circuit of claim 1, wherein: the signal output module is a computer host.
8. The double-sided screen synchronous display circuit of claim 1, wherein: the first display module and the second display module are both display screens.
9. The double-sided screen synchronous display circuit of claim 6, wherein: and the signal output ends of the first output connecting seat and the second output connecting seat are respectively connected with two groups of touch pads.
10. The double-sided screen synchronous display circuit of claim 1, wherein: the first output connecting seat and the second output connecting seat are both MIPI signal seats.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122006614.9U CN215450159U (en) | 2021-08-23 | 2021-08-23 | Double-sided screen synchronous display circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122006614.9U CN215450159U (en) | 2021-08-23 | 2021-08-23 | Double-sided screen synchronous display circuit |
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| Publication Number | Publication Date |
|---|---|
| CN215450159U true CN215450159U (en) | 2022-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122006614.9U Active CN215450159U (en) | 2021-08-23 | 2021-08-23 | Double-sided screen synchronous display circuit |
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| CN (1) | CN215450159U (en) |
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2021
- 2021-08-23 CN CN202122006614.9U patent/CN215450159U/en active Active
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