CN211293918U

CN211293918U - Novel multifunctional mobile phone screen projection system

Info

Publication number: CN211293918U
Application number: CN202020386189.3U
Authority: CN
Inventors: 蔡明军
Original assignee: Shenzhen Jinghangsheng Technology Co ltd
Current assignee: Shenzhen Jinghangsheng Technology Co ltd
Priority date: 2020-03-24
Filing date: 2020-03-24
Publication date: 2020-08-18
Anticipated expiration: 2030-03-24

Abstract

The utility model discloses a novel multi-functional cell-phone throw screen system, including power HDMI signal processing mainboard, main control board, touch-sensitive screen control plate body, button plate body and liquid crystal display, electric connection has female seat interface, signal connector and the first MOS pipe of power input end interface, HDMI signal connector, USB on the power HDMI signal processing mainboard, electric connection has 5v power input end, Typc interface, HDMI connector interface, first mainboard connector, mainboard loudspeaker seat, liquid crystal display seat, second mainboard connector, main control chip, second MOS pipe, mainboard power supply circuit and mainboard battery circuit connection seat on the main control board. The utility model discloses can connect the micro of the tall and erect system of most ann on the market, the cell-phone of typc interface, the cell-phone of the lightning interface of IOS, and other products can only connect the partial model generally or connect through external auxiliary assembly, and the operation of this product can avoid connecting troublesome problem, no matter what kind of connection, all only needs the root data line to realize connecting.

Description

Novel multifunctional mobile phone screen projection system

Technical Field

The utility model relates to a screen system technical field is thrown to the cell-phone specifically is a novel multi-functional cell-phone throw screen system.

Background

The display is a device for displaying pictures, generally, the screen of a mobile phone is limited, and the mobile phone can be connected to a larger display for projecting the screen so as to improve the viewing effect in order to facilitate large-screen viewing;

the screen projection device for the common mobile phone has the following defects: at present, most of tablet personal computers, portable displays and most products on the market can only directly realize the mobile phones with partial typ-c interfaces, the practical range is narrow, the mobile phones with apple interfaces and other android non-typ-c interfaces can not directly realize the on-screen display, and can not directly realize the on-screen display and touch control, even if the mobile phones are connected, the mobile phones can not have sound, or the mobile phones can not be connected with the help of an external on-screen module, the on-screen module has three wire ends, a 5v power interface, an HDMI interface, a mobile phone interface and a power interface of the display, the appearance is not beautiful, the connection operation is very troublesome, when the typ-c mobile phone and the non-typ-c mobile phone are simultaneously inserted, the display can not display or only can display the mobile phone which is inserted first, the practicability is low, the operation is troublesome, the appearance is ugly bad, the wire rod exposes too much, and many cell-phones can not touch after accessing the product, and the degree of difficulty is very big when ordinary consumer operates, and the price/performance ratio is extremely low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel multi-functional cell-phone throw screen system to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a novel multifunctional mobile phone screen projection system comprises a power supply HDMI signal processing mainboard, a main control board, a touch screen control board body, a key board body and a liquid crystal display screen, wherein the power supply HDMI signal processing mainboard is electrically connected with a power supply input end interface, an HDMI signal connector, a USB female seat interface, a signal connector and a first MOS (metal oxide semiconductor) tube, the main control board is electrically connected with a 5v power supply input end, a Typc interface, an HDMI connector interface, a first main board connector, a main board horn seat, a liquid crystal display screen seat, a second main board connector, a main control chip, a second MOS tube, a main board power circuit and a main board battery circuit connecting seat, the main board horn seat is electrically connected with an audio horn, the HDMI connector interface is electrically connected with the HDMI signal connector, the first main board connector is electrically connected with the signal connector, the liquid crystal display screen seat is electrically connected with the liquid crystal display screen, mainboard battery circuit connection seat electric connection has battery management circuit, the last touch-sensitive screen body that has set of liquid crystal display, electric connection has touch-sensitive screen connector, touch main control chip, bluetooth transmitting circuit and touch-sensitive screen control panel seat on the touch-sensitive screen control panel body, the touch-sensitive screen connector with touch-sensitive screen body electric connection, electric connection has keypad seat and keypad connector on the keypad body, touch-sensitive screen control panel seat with keypad seat electric connection, second motherboard connector with keypad connector electric connection.

Preferably, the power supply HDMI signal processing mainboard is electrically connected with a Bluetooth transmitting circuit and a WIFI wireless screen projecting circuit.

Preferably, the USB female socket interface alternating piece is provided with a Micro-USB interface.

Preferably, the power supply HDMI signal processing main board is electrically connected with an HDMI signal processing chip.

Preferably, the power supply HDMI signal processing motherboard is electrically connected with a power supply processing circuit.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model can be connected with micro of most android systems on the market, mobile phones with typc interfaces and mobile phones with lightning interfaces of IOS, and other products can only be connected with partial models or connected through external auxiliary equipment, the operation of the product can avoid the problem of troublesome connection, no matter what kind of connection, the connection can be realized only by data lines, most devices on the market can not support touch control mutual control, the scheme realizes the mutual touch control of android, typc and lightning interface mobile phones on the compatible market through Bluetooth bridging, one line can be directly connected with the micro interfaces, typc interfaces and lighting interfaces, the compatibility is strong, an HDMI signal processing chip can automatically carry pictures to a liquid crystal display screen after automatic rotation processing is carried out according to software of access equipment or the horizontal and vertical of the pictures, the equipment can finish the automatic rotation of the pictures according to the gravity induction of the access equipment, the rotation of the small screen is really realized, and the small screen is projected to the liquid crystal display screen for displaying on a large screen.

Drawings

Fig. 1 is a schematic view of the overall structure of a novel multifunctional mobile phone screen projection system of the present invention;

fig. 2 is the utility model relates to a novel multi-functional cell-phone throw the structure chart of the power HDMI signal processing mainboard in the screen system.

In the figure: 1. android system-micro interface device; 2. IOS system-lighting interface device; 3. android system-typc interface device; 4. a device with an HDMI port; 5. a power supply terminal of the power supply; 6. a 5V power supply terminal; 7. a 5V power supply input terminal; 8. a Typc interface; 9. an HDMI interface; 10. an HDMI connector interface; 11. an audio speaker; 12. a first motherboard connector; 13. a main board loudspeaker seat; 14. a liquid crystal screen base; 15. a second motherboard connector; 16. a main control chip; 17. a liquid crystal display screen; 18. a touch screen; 19. a touch screen connector; 20. touching the main control chip; 21. a Bluetooth transmitting circuit; 22. the touch screen controls the panel seat; 23. a keypad base; 24. a keypad connector; 25. a touch screen control panel; 26. a key sheet; 27. a second MOS transistor; 28. a main board power supply circuit; 29. a first MOS transistor; 30. a power supply processing circuit; 31. a Bluetooth transmitting circuit; 32. a WIFI wireless screen projection circuit; 33. an HDMI signal processing chip; 34. an HDMI signal connector; 35. a power input terminal interface; 36. a USB female socket interface; 37. a Micro-USB interface; 38. the power supply HDMI signal processing mainboard; 39. a signal connector; 40. a main control board; 41. a battery management circuit; 42. the main board battery circuit is connected with the base.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a novel multifunctional mobile phone screen projection system comprises a power supply HDMI signal processing mainboard 38, a main control board 40, a touch screen control board body 25, a key board body 26 and a liquid crystal display screen 17, wherein the power supply HDMI signal processing mainboard 38, the main control board 40, the touch screen control board body 25, the key board body 26 and the liquid crystal display screen 17 are fixedly assembled on a display screen shell, the power supply HDMI signal processing mainboard 38 is electrically connected with a power supply input end interface 35, an HDMI signal connector 34, a USB female socket interface 36, a signal connector 39 and a first MOS tube 29, wherein the power supply input end interface 35 is an interface for power supply input of more than 5v, the power supply input end interface 35 is connected with an external power supply end 5 through a power line to realize that the whole device is powered on to run, the USB female socket interface 36 is conveniently connected with an external android system-micro interface device 1, an IOS system-lighting interface device 2 and an android system-typc interface device 3 through data lines, the main control board 40 is electrically connected with a 5V power input end 7, a Typc interface 8, an HDMI interface 9, an HDMI connector interface 10, a first main board connector 12, a main board speaker base 13, a liquid crystal display base 14, a second main board connector 15, a main control chip 16, a second MOS transistor 27, a main board power circuit 28 and a main board battery circuit connecting base 42, the main board horn seat 13 is electrically connected with an audio horn 11, the HDMI connector interface 10 is electrically connected with the HDMI signal connector 34, the first main board connector 12 is electrically connected with the signal connector 39, the liquid crystal screen seat 14 is electrically connected with the liquid crystal display 17, the main board battery circuit connecting seat 42 is electrically connected with the battery management circuit 41, the 5V power input end 7 is conveniently connected with the external 5V power supply end 6 through a power line, the Typc interface 8 is conveniently connected with the external android system-Typc interface device 3, and the HDMI interface 9 is conveniently connected with the external device 4 with an HDMI port; the liquid crystal display 17 is provided with a touch screen body 18, the touch screen control board body 25 is electrically connected with a touch screen connector 19, a touch main control chip 20, a bluetooth transmitting circuit 21 and a touch screen control board seat 22, the touch screen connector 19 is electrically connected with the touch screen body 18, the key board body 26 is electrically connected with a key board seat 23 and a key board connector 24, the touch screen control board seat 22 is electrically connected with the key board seat 23, and the second main board connector 15 is electrically connected with the key board connector 24.

The power HDMI signal processing main board 38 is electrically connected with a bluetooth transmitting circuit 31 and a WIFI wireless screen projecting circuit 32, after current enters a power input port interface 35, the bluetooth transmitting circuit 31 and the 32WIFI wireless screen projecting circuit are powered on and started, and emit a bluetooth signal and a WIFI signal, the bluetooth signal is used for transmitting audio of the android system-micro interface device 1, the IOS system-lighting interface device 2 or the android system-typc interface device 3 to the power HDMI signal processing main board 38, then the audio signal is connected with the HDMI connector interface 10 through the HDMI signal connector 34, finally the audio signal reaches the android system-micro interface device 1 to make sound, the WIFI signal is an interactive circuit for wireless video receiving and sending, and the purpose that pictures of the android system-micro interface device 1, the IOS system-lighting interface device 2 or the android system-typc interface device 3 are processed by the WIFI wireless screen projecting circuit 32, and then the pictures reach the connection through the HDMI signal connector 34 The interface 10 enters the main control chip 16 for processing, and finally is output to the liquid crystal display screen 17 for displaying through the liquid crystal display screen seat 14.

The USB female socket interface 36 is provided with a Micro-USB interface 37 alternately, when the thickness of a product is limited, the finished product can select the Micro-USB interface 37, and the function of the interface after passing through an OTG line is completely consistent with that of the interface 36.

The power supply HDMI signal processing main board 38 is electrically connected with an HDMI signal processing chip 33, the HDMI signal processing chip 33 can display the software displayed on the vertical screen on the liquid crystal display screen 17 by pulling the software displayed on the vertical screen to the full screen according to the screen size of the liquid crystal display screen 17 and the software display modes on the android system-micro interface device 1, the IOS system-lighting interface device 2 and the android system-typc interface device 3, and the software displayed on the horizontal screen is displayed on the liquid crystal display screen 17 by pulling the software displayed on the horizontal screen to the full screen.

The power HDMI signal processing motherboard 38 is electrically connected to the power processing circuit 30, and the power input port 35 enters 12V or above voltage, and after being processed by the power processing circuit 30, the 12V voltage can be directly transmitted to the backlight through the first motherboard connector 12 without configuring a boost module circuit.

The working principle is as follows: the utility model discloses a when power input end interface 35 has the power to intervene, HDMI signal processing chip 33 can automatic work, can be connected to HDMI signal connector interface 10 through HDMI signal connector 34 this moment and handle the back through main control chip 16 and carry out static character display through liquid crystal display 17 by liquid crystal display seat 14, the content of demonstration is the character content of presetting in HDMI signal processing chip 33, can formulate different character pictures according to actual conditions's needs, when USB female seat interface 36 department has android system-micro interface device 1 or IOS system-lighting interface device 2 or the equipment of android system-typc interface 3 to insert simultaneously, static character interface on liquid crystal display 17 can be closed by the software in HDMI signal processing core 33 automatically, and start relevant signal with the video or the picture signal of android system-micro interface device 1 or IOS system-lighting interface device 2 or android system-typc interface 3 through the HDMI signal process The HDMI signal processing core 33 is connected to the HDMI connector interface 10 through the HDMI signal connector 34 after processing, then enters the liquid crystal display screen 17 through the liquid crystal display screen seat 14 after processing the signal by the main control chip 16 to output the picture or video of the android system-micro interface device 1 or the IOS system-lighting interface device 2 or the android system-typc interface 3, and under the condition that the power input end 35 has power access, the current and the signal will pass through the signal connector 39, the first motherboard connector 12 enters the main control board 40, at this time, the main control board 40 starts to work and coordinate with the power HDMI signal processing main board 38 to complete the related signal processing and output, when the 5V power input end 7 has power access, the current will reversely enter the HDMI signal connector 34 through the HDMI connector interface 10, thereby supplying power to the entire power HDMI signal processing main board 38, when the current of the main control board 40 is processed and analyzed by the main board power circuit 28 and then transmitted to the main control board 40 related circuit and starts the related module to work, and the android system-micro interface device 1 or the IOS system-lighting interface device 2 or the android system-Typc interface device 3 is accessed, not only all the above functions can be realized, but also the device android system-micro interface device 1 or the IOS system-lighting interface device 2 or the android system-Typc interface device 3 can be charged, no matter the 5V power input end 7 or the power input end 35 is connected with the power or the power is not accessed, the Typc interface 8 can be directly connected with the android system-Typc interface device 3, if the power is not accessed or the battery management circuit 41 is not powered, when the Typc interface 8 is directly connected with the android system-Typc interface device 3, electricity can be directly taken from the android system-Typc interface device 3 for operation, and the screen projection function and the touch function are simultaneously realized, no matter power enters through the power input end interface 35 or the 5V power input end 7, when the android system-Micro interface device 1 or the IOS system-lighting interface device 2 or the android system-Typc interface device 3 is connected, the system can be charged through a device connected at the USB female seat interface 36 or the Micro-USB interface 37, the condition that the electric quantity of a mobile phone battery is consumed when a user uses the system is avoided, the HDMI interface 9 is connected with the device 4 with the HDMI interface, signals of the device 4 with the HDMI interface enter the main control chip 16 through the HDMI interface 9 for processing and then enter the liquid crystal display screen 17 through the liquid crystal display screen seat 14 for displaying, at this time, a data line of USB to TYPC is required to connect the 5V power supply terminal 6 and the TYPC interface 8, at this time, a touch function when the device 4 with the HDMI port is connected can be realized, when the android system-TYPC interface device 3 is connected to the TYPC interface 8, the second motherboard connector 15 is connected to the keypad connector 24, the keypad seat 23 is connected to the touch screen control panel seat 22, the touch screen connector 19 is connected to the touch screen body 18, at this time, the android system-TYPC interface device 3 can control the touch function of the touch screen body 18 through touch control, or can control the device 3 in reverse through the touch screen body 18, when the android system-TYPC interface device 3 is touched, a signal can pass through the second motherboard connector 15, the keypad connector 24, the keypad seat 23 is processed by the touch main control chip 20 and then enters the touch screen body 18 through the touch screen connector 19 to realize touch control, when the touch screen body 18 is touched, a signal passes through the touch screen connector 19, the signal enters the key board seat 23 through the touch screen control board seat 22 after being processed by the touch main control chip 20, then the signal is connected with the second motherboard connector 15 through the key board connector 24 and then the touch of the android system-Typc interface device 3 is reversely controlled through the Typc interface 8, when the android system-Micro interface device 1 or the IOS system-lightning interface device 2 or the android system-Typc interface device 3 is connected to the USB female seat interface 36 or the Micro-USB interface 37, the mobile phone is connected with bluetooth sent by the bluetooth sending circuit 21, at this time, if the android system-Micro interface device 1 or the IOS system-lightning interface device 2 or the android system-Typc interface device 3 is touched, the touch signal enters the touch screen body 18 through the touch screen connector 19 after being processed by the touch main control chip 20 to realize the touch of the android system-Micro interface device 1 or the IOS system-Typc interface device 3 The lighting interface device 2 or the android system-Typc interface device 3 controls the touch function of the touch screen body 18, when the touch screen body 18 is touched, the signal is processed by the touch screen connector 19 and then is connected to the bluetooth through the bluetooth transmitting circuit 21 to realize the touch function of the touch reverse control of the android system-micro interface device 1 or the IOS system-lighting interface device 2 or the android system-Typc interface device 3, when the android system-Typc interface device 3 is not provided with an intervening device, under the condition of electricity, the HDMI signal processing chip 33 outputs static characters of the android system-Typc interface device 3 to the liquid crystal display 17, when the android system-micro interface device 1 or the IOS system-lighting interface device 2 is accessed, the picture of the accessed device is directly displayed, when the android system-Typc interface device 3 is directly accessed to the Typc interface 8, the first MOS transistor 29 will send an instruction to disconnect the voltages of the HDMI signal processing chip 33, the USB female socket interface 36, and the Micro-USB interface 37, so that only the picture of the android system-Typc interface device 3 is displayed, and the signal of the Typc interface 8 is the priority.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel multi-functional cell-phone screen projecting system, includes power HDMI signal processing mainboard (38), main control board (40), touch-sensitive screen control plate body (25), button plate body (26) and liquid crystal display (17), its characterized in that: the power supply HDMI signal processing mainboard (38) is electrically connected with a power input end interface (35), an HDMI signal connector (34), a USB female socket interface (36), a signal connector (39) and a first MOS tube (29), the main control board (40) is electrically connected with a 5V power input end (7), a Typc interface (8), an HDMI interface (9), an HDMI connector interface (10), a first mainboard connector (12), a mainboard horn socket (13), a liquid crystal screen socket (14), a second mainboard connector (15), a main control chip (16), a second MOS tube (27), a mainboard power circuit (28) and a mainboard battery circuit connecting socket (42), the mainboard horn socket (13) is electrically connected with an audio horn (11), the HDMI connector interface (10) is electrically connected with the HDMI signal connector (34), the first mainboard connector (12) is electrically connected with the signal connector (39), the liquid crystal display screen seat (14) is electrically connected with the liquid crystal display screen (17), the mainboard battery circuit connecting seat (42) is electrically connected with a battery management circuit (41), a touch screen body (18) is arranged on the liquid crystal display screen (17), a touch screen connector (19), a touch main control chip (20), a Bluetooth transmitting circuit (21) and a touch screen control panel seat (22) are electrically connected on the touch screen control panel body (25), the touch screen connector (19) is electrically connected with the touch screen body (18), the key board body (26) is electrically connected with a key board seat (23) and a key board connector (24), the touch screen control panel seat (22) is electrically connected with the key panel seat (23), the second main board connector (15) is electrically connected with the keypad connector (24).

2. The novel multifunctional mobile phone screen projection system of claim 1, characterized in that: the power supply HDMI signal processing main board (38) is electrically connected with a Bluetooth transmitting circuit (21) and a WIFI wireless screen projection circuit (32).

3. The novel multifunctional mobile phone screen projection system of claim 1, characterized in that: the USB female socket interface (36) is alternately provided with a Micro-USB interface (37).

4. The novel multifunctional mobile phone screen projection system of claim 1, characterized in that: the power supply HDMI signal processing main board (38) is electrically connected with an HDMI signal processing chip (33).

5. The novel multifunctional mobile phone screen projection system of claim 1, characterized in that: the power supply HDMI signal processing main board (38) is electrically connected with a power supply processing circuit (30).