CN205104209U - Multi -functional liquid crystal display based on control of wireless serial ports of bluetooth - Google Patents
Multi -functional liquid crystal display based on control of wireless serial ports of bluetooth Download PDFInfo
- Publication number
- CN205104209U CN205104209U CN201520832468.7U CN201520832468U CN205104209U CN 205104209 U CN205104209 U CN 205104209U CN 201520832468 U CN201520832468 U CN 201520832468U CN 205104209 U CN205104209 U CN 205104209U
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- China
- Prior art keywords
- serial ports
- bluetooth
- transceiver module
- liquid crystal
- bluetooth transceiver
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Abstract
The utility model provides a multi -functional liquid crystal display based on control of wireless serial ports of bluetooth, including serial ports control liquid crystal display, bluetooth transceiver module, lithium cell, serial ports control LCD screen shows corresponding content behind the signal of receiving bluetooth transceiver module, the position data with the touch -control instruction sends bluetooth transceiver module to through the serial ports simultaneously, bluetooth transceiver module receives the data that come from serial ports control liquid crystal display, uses wireless bluetooth signal transmission to other bluetooth equipments, and the data signal who comes other bluetooth equipment conveying simultaneously sends for many serial portss control liquid crystal display through the serial ports agreement, the lithium cell is used for for serial ports control liquid crystal display and the power supply of bluetooth transceiver module. The utility model discloses make serial ports liquid crystal display to realize the wireless control function by compatible a great deal of wireless bluetooth equipment.
Description
Technical field
The invention belongs to LCDs technical field, be specifically related to a kind of multifunction LCD controlled based on blue teeth wireless serial ports.
Background technology
Current existing serial port liquid crystal display screen (LCD) has the advantage that exploitation is simple and Presentation Function is powerful, be used to the display of embedded device more, development process is simply clear and definite, What You See Is What You Get, by the mode of serial communication, most embedded devices can well be shielded to be connected with serial port liquid crystal, carry out data-signal and control signal transmission, simplify product design, improve system stability.But, having in some application scenarios, such as hand held controller, it does not still break away from the constraint of serial ports control line, more wireless device cannot be supported, the Bluetooth protocol of such as nowadays widespread use, cannot join in the global design of product more easily.The use of serial ports screen does not just have enough conveniences under these conditions, the restriction of connecting line and communication protocol is received in many application scenarios, bring difficulty to the layout of equipment and use, make function very limited, cannot with more equipment connection and compatibility.
Summary of the invention
The purpose of this utility model is the multifunction LCD proposing to control based on blue teeth wireless serial ports, it has expanded blue teeth wireless transceiver module and lithium battery power supply module on the basis of traditional serial port liquid crystal display screen, makes serial port liquid crystal display screen can realize Radio Control Function by compatible many wireless bluetooth devices.
In order to solve the problems of the technologies described above, the utility model provides a kind of multifunction LCD controlled based on blue teeth wireless serial ports, comprises serial ports and controls LCDs, bluetooth transceiver module, lithium battery; Serial ports controls liquid crystal display and show corresponding content after receiving the signal of bluetooth transceiver module, sends the position data of touch command to bluetooth transceiver module by serial ports simultaneously; Bluetooth transceiver module receives and comes from the data that serial ports controls LCDs, uses wireless blue tooth signal to be sent to other bluetooth equipments, and the data-signal simultaneously sent by other bluetooth equipments sends to Multi-serial port to control LCDs by serial port protocol; Lithium battery is used for for serial ports control LCDs and bluetooth transceiver module are powered.
Preferably, lithium battery is provided with compatible microUSB charging inlet and management of charging and discharging module, and management of charging and discharging module is for placing over-charge of lithium battery electricity or overdischarge.
Preferably, lithium battery is provided with battery booster module, for carrying out voltage transitions.
Preferably, single-pole double-throw switch (SPDT), LED, current-limiting resistance is also comprised; The anode of LED is connected with the power end of lithium battery by current-limiting resistance R, the negativing ending grounding GND of LED, the power end that the power end of lithium battery controls LCDs with bluetooth transceiver module and serial ports is respectively connected, the serial communication transmitting-receiving port of serial ports control LCDs is received and dispatched port with bluetooth transceiver module respectively and is connected, single-pole double-throw switch (SPDT) control circuit break-make, LED indicating circuit on off operating mode.
The utility model compared with prior art, its remarkable advantage is, traditional serial port liquid crystal display screen is accessed the wider blue teeth wireless function of usable range, more portable equipment such as portable computer can be controlled liquid crystal display screen easily, make with this equipment developed more convenient easy-to-use, more function can be realized, greatly widen the application of multifunction liquid crystal screen, make allly shorten the construction cycle mainly with wireless serial LCDs further as the developer of accessory and convenient carry out layout to equipment.Also make product user obtain better experience, greatly widen the application of multifunction liquid crystal screen.
Accompanying drawing explanation
Fig. 1 is the system composition schematic diagram of the multifunction LCD based on the control of blue teeth wireless serial ports described in the utility model.
Fig. 2 is the circuit diagram of the multifunction LCD based on the control of blue teeth wireless serial ports described in the utility model.
Embodiment
Easy understand, according to the technical solution of the utility model, when not changing connotation of the present invention, one of ordinary skill in the art can imagine the numerous embodiments based on the multifunction LCD of blue teeth wireless serial ports control described in utility model.Therefore, following embodiment and accompanying drawing are only the exemplary illustrations to the technical solution of the utility model, and should not be considered as of the present utility model all or the restriction be considered as technical solutions of the utility model or restriction.
Composition graphs 1; based on the multifunction LCD that blue teeth wireless serial ports controls; comprise serial ports and control LCDs, bluetooth transceiver module, lithium battery and management of charging and discharging module; serial ports controls LCDs and adopts STM32 platform; provide Transistor-Transistor Logic level full duplex serial interface and 5V Power supply interface; bluetooth transceiver module is divided into slave; the serial data transparent transmission function of Transistor-Transistor Logic level is provided; lithium battery design parameter is 3.7V1000mah, and power board provides 3.7V and turns 5V boost function and charge and discharge protecting function.
Serial ports controls LCDs and has carried STM32 controller at a high speed, and while controlling high resolving power colored screen efficiently, provide the user convenient easy-to-use steering order, this characteristic makes the design of system simpler.Many large small-sized embedded devices are made to connect and to control high-quality lcd screen.Serial ports controls liquid crystal display after the signal that have received bluetooth serial ports, shows corresponding content, sends the position data of touch command to bluetooth module by serial ports simultaneously.
In order to make multifunction LCD can have stable working power, and keep for a long time continuation of the journey, this uses is novel have employed lithium battery power supply, adds lithium battery boosting and control circuit in circuit, can suppress battery overcharge and put.Be provided with the charging inlet of compatible microUSB simultaneously, can charge to equipment easily.Energy supply control module testing circuit status information carries out super-charge super-discharge protection simultaneously.
In order to support wireless blue tooth function, the present embodiment have employed one piece of widely used Bluetooth control module---HC-05 bluetooth serial ports transceiver module, and it has following characteristic: have complete Bluetooth Solution; Low-power consumption, low cost; High performance wireless transceiver system.Bluetooth module receives the data coming from multifunction liquid crystal screen, is sent to another bluetooth equipment, the data-signal that other bluetooth equipments send is sent to multifunction liquid crystal screen by serial port protocol simultaneously by wireless blue tooth signal.
In composition graphs 2, figure, BATTERY is lithium battery, and BTwirelessR is bluetooth transceiver module, and VGUSLCD is that serial ports controls LCDs.Lithium battery is that serial ports controls LCDs and bluetooth transceiver module power supply source, single-pole double-throw switch (SPDT) SW-SPDT controls connecting and disconnecting of the circuit, LED steps on indicating circuit on off operating mode, the anode of LED is connected with the power end VCC of lithium battery BATTERY by current-limiting resistance R, the negativing ending grounding GND of LED, between the power end VCC of current-limiting resistance R series connection access lithium battery BATTERY and LED, the power end VCC that the power end VCC of lithium battery BATTERY controls LCDs with bluetooth transceiver module and serial ports is respectively connected, control LCDs to bluetooth transceiver module and serial ports to power simultaneously, serial ports controls the serial communication transmitting-receiving port TX of LCDs, RX receives and dispatches port with bluetooth transceiver module respectively and is connected, carry out the communication of data.Lithium battery is built-in with battery booster module, for carrying out 3.7V-5V voltage transitions, has circuit protection function simultaneously.All circuit units GND altogether.
Claims (4)
1. based on the multifunction LCD that blue teeth wireless serial ports controls, it is characterized in that, comprise serial ports and control LCDs, bluetooth transceiver module, lithium battery; Serial ports controls liquid crystal display and show corresponding content after receiving the signal of bluetooth transceiver module, sends the position data of touch command to bluetooth transceiver module by serial ports simultaneously; Bluetooth transceiver module receives and comes from the data that serial ports controls LCDs, uses wireless blue tooth signal to be sent to other bluetooth equipments, and the data-signal simultaneously sent by other bluetooth equipments sends to Multi-serial port to control LCDs by serial port protocol; Lithium battery is used for for serial ports control LCDs and bluetooth transceiver module are powered.
2. multifunction LCD as claimed in claim 1, it is characterized in that, lithium battery is provided with compatible microUSB charging inlet and management of charging and discharging module, and management of charging and discharging module is for placing over-charge of lithium battery electricity or overdischarge.
3. multifunction LCD as claimed in claim 1, it is characterized in that, lithium battery is provided with battery booster module, for carrying out voltage transitions.
4. multifunction LCD as claimed in claim 1, is characterized in that, also comprise single-pole double-throw switch (SPDT), LED, current-limiting resistance; The anode of LED is connected with the power end of lithium battery by current-limiting resistance R, the negativing ending grounding GND of LED, the power end that the power end of lithium battery controls LCDs with bluetooth transceiver module and serial ports is respectively connected, the serial communication transmitting-receiving port of serial ports control LCDs is received and dispatched port with bluetooth transceiver module respectively and is connected, single-pole double-throw switch (SPDT) control circuit break-make, LED indicating circuit on off operating mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520832468.7U CN205104209U (en) | 2015-10-26 | 2015-10-26 | Multi -functional liquid crystal display based on control of wireless serial ports of bluetooth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520832468.7U CN205104209U (en) | 2015-10-26 | 2015-10-26 | Multi -functional liquid crystal display based on control of wireless serial ports of bluetooth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205104209U true CN205104209U (en) | 2016-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520832468.7U Expired - Fee Related CN205104209U (en) | 2015-10-26 | 2015-10-26 | Multi -functional liquid crystal display based on control of wireless serial ports of bluetooth |
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| CN (1) | CN205104209U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106304489A (en) * | 2016-08-25 | 2017-01-04 | 安徽朗越能源股份有限公司 | A kind of energy-conservation lithium electricity type solar street light intelligence control system |
-
2015
- 2015-10-26 CN CN201520832468.7U patent/CN205104209U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106304489A (en) * | 2016-08-25 | 2017-01-04 | 安徽朗越能源股份有限公司 | A kind of energy-conservation lithium electricity type solar street light intelligence control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160323 Termination date: 20181026 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |