CN208873031U - A kind of wireless display control device - Google Patents

A kind of wireless display control device Download PDF

Info

Publication number
CN208873031U
CN208873031U CN201821952724.6U CN201821952724U CN208873031U CN 208873031 U CN208873031 U CN 208873031U CN 201821952724 U CN201821952724 U CN 201821952724U CN 208873031 U CN208873031 U CN 208873031U
Authority
CN
China
Prior art keywords
feet
chip microcontroller
mobile terminal
display control
control device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201821952724.6U
Other languages
Chinese (zh)
Inventor
曹林
唐兵
宋世坤
邹朋位
刘晨曦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xihua University
Original Assignee
Xihua University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xihua University filed Critical Xihua University
Priority to CN201821952724.6U priority Critical patent/CN208873031U/en
Application granted granted Critical
Publication of CN208873031U publication Critical patent/CN208873031U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Position Input By Displaying (AREA)

Abstract

The utility model discloses a kind of wireless display control devices, it is related to projector control technology field, the utility model includes with the single-chip microcontroller U2 of computer communication and respectively mobile terminal, function button group and the 2.4G wireless communication module JP1 with single-chip microcontroller U2 communication, the single-chip microcontroller U2 controls work for lantern slide projection and provides data support for realizing the hardware controls to mobile terminal;The mobile terminal is used for speaker, for carrying out mapping control to lantern slide mouse;The function button group is for realizing the function control to single-chip microcontroller U2;The 2.4G wireless communication module JP1 is for realizing the communication between single-chip microcontroller U2 and computer, the utility model has liberated the difficult situation before speaker is locked in by mouse podium using mobile terminal sensor group and wireless telecommunications means, it allows speaker to there are more means and audience to interact, improves speech quality.

Description

A kind of wireless display control device
Technical field
The utility model relates to projector control technology fields, more particularly to a kind of wireless display control device.
Background technique
Projector is also known as projector, is a kind of equipment that can be projected image or video on curtain, can be by not The same computer of interface together, VCD, DVD, BD, game machine, DV etc., which are connected, plays corresponding lantern slide or vision signal, projects Instrument is widely used in family, office, school and public place of entertainment.
Although projector easily carries out projection application, traditional projector needs the throwing of mouse control lantern slide Shadow, in particular for teachers' instruction or speech, speaker has just been locked on podium by mouse, is if desired carried out with spectators mutual It is dynamic, need speaker to go down podium, and at this moment, speaker not can control the broadcasting of lantern slide again, cause to drill during speech Speaker needs to socialize in the control to lantern slide and between the interacting of spectators, and cannot influence with spectators' real-time interactive Speech quality.
Utility model content
The purpose of this utility model is that: make speaker to solve the projection pattern of traditional mouse control lantern slide Cannot with spectators' real-time interactive, influence give a lecture quality the problem of, the utility model provides a kind of wireless display control device.
The utility model specifically uses following technical scheme to achieve the goals above:
A kind of wireless display control device is communicated including the single-chip microcontroller U2 with computer communication and respectively with single-chip microcontroller U2 Mobile terminal, function button group and 2.4G wireless communication module JP1,
The single-chip microcontroller U2 controls work for lantern slide projection and provides data for realizing the hardware controls to mobile terminal It supports;
The mobile terminal is used for speaker, for carrying out mapping control to lantern slide mouse;
The function button group is for realizing the function control to single-chip microcontroller U2;
The 2.4G wireless communication module JP1 is for realizing the communication between single-chip microcontroller U2 and computer.
Further, the mobile terminal and single-chip microcontroller U2 communication are actually mobile terminal sensor group mpu1 and monolithic Machine U2 communication, the mobile terminal sensor group mpu1 include acceleration transducer and gyroscope, and single-chip microcontroller U2 passes acceleration Sensor and gyroscope realize hardware controls, by reading the data of acceleration transducer and gyroscope, realize four parameter DMP data Fusion, realizes stable attitude data, controls work for lantern slide projection and provides basic data support.
Further, it after the acceleration transducer data realize acquisition and filtering processing on mobile terminals, then transmits To single-chip microcontroller U2.
Further, data are passed through by list using 2.4G wireless communication module JP1 between the single-chip microcontroller U2 and computer The UART interface of piece machine U2 and the RS232 interface of computer are interconnected, and realize the transmission of attitude motion information.
Further, the Bluetooth communication part of the computer and the Bluetooth communication part of mobile terminal APP, which are realized, communicates, Mobile terminal APP tests the change in displacement of mobile terminal using acceleration transducer, to convert magic lantern for change in displacement The movement of piece mouse.
Further, it is filtered after the change in displacement of the acceleration transducer acquisition mobile terminal using median filtering algorithm Except the clutter of mutation, low frequency filtering is carried out using acceleration information of the high-pass filter to acquisition, then the data obtained is turned Change and handle, by Bluetooth communication fractional transmission trace information, trace information is shown on computer.
Further, the mobile terminal sensor group mpu1 further includes camera, the image information that camera is acquired Obtain laser facula information after being handled, complete image coordinate to lantern slide screen coordinate mapping relations, on computers Laser facula coordinate information is converted into mouse coordinates, realizes that the mapping to mouse controls.
Further, the single-chip microcontroller U2 model STC12LE5A60S2, mobile terminal sensor group mpu1 model The tool of MPU6050,2.4G wireless communication module JP1 model nRF24L01, single-chip microcontroller U2 and mobile terminal sensor group mpu1 Body connection are as follows:
20 feet and 21 feet of single-chip microcontroller U2 are correspondingly connected with 3 feet of mobile terminal sensor group mpu1 and 4 feet respectively.
Further, the specific connection of the single-chip microcontroller U2 and 2.4G wireless communication module JP1 are as follows:
25 feet, 17 feet, 28 feet, 39 feet, 6 feet and 8 feet of single-chip microcontroller U2 respectively with 3 feet of 2.4G wireless communication module JP1, 4 feet, 6 feet, 7 feet, 5 feet and 8 feet are connected respectively.
Further, the wireless display control device further includes power module, the power module respectively with single-chip microcontroller U2, mobile terminal sensor group mpu1 and 2.4G wireless communication module JP1 electrical connection, power module includes battery supply interface J1 And voltage-stablizer U1, the physical circuit connection of the power module are as follows:
1 end of battery supply interface J1 is connected with the cathode of zener diode D3, the anode and battery of zener diode D3 2 ends of power interface J1 connect, and 1 end of battery supply interface J1 is connect with 3 feet of voltage-stablizer U1, and the 2 of battery supply interface J1 End is connect with 1 foot of voltage-stablizer U1, and 3 feet of voltage-stablizer U1 are also connected with the anode and the one of capacitor CB1 of electrolytic capacitor C2 End, the cathode and the other end of capacitor CB1 and 1 foot of voltage-stablizer U1 of electrolytic capacitor C2 are connect, and 2 feet of voltage-stablizer U1 are connected with electricity Solve anode and one end of capacitor CB2 of capacitor C1, the cathode of electrolytic capacitor C1 and the other end and the 1 of voltage-stablizer U1 of capacitor CB2 Foot connect and ground;
2 feet of voltage-stablizer U1 are whole with 38 feet of single-chip microcontroller U2,2 feet of 2.4G wireless communication module JP1 and movement respectively 1 foot of end sensor group mpu1 connects.
The beneficial effects of the utility model are as follows:
1, the utility model realizes single-chip microcontroller U2 to the hardware controls of acceleration transducer and gyroscope first, passes through reading These sensors are taken, four parameter DMP data fusions is realized, realizes stable attitude data, control work for lantern slide projection Basic data are provided to support;Acceleration transducer data are completed in movement using the acceleration transducer on mobile terminal It acquires and is filtered in terminal, be ready for following data processing;Single-chip microcontroller is realized by 2.4G wireless communication module The connection of communication link between computer completes attitude motion information by the communication link and uploads to computer;It utilizes Acceleration transducer acquires the change in displacement of mobile terminal, and the trace information of mobile terminal is shown on the computer screen, is reached The purpose write in the air;The utility model has liberated speaker by mouse using mobile terminal sensor group and wireless telecommunications means Mark is locked in the difficult situation before podium, and speaker is allowed to have more means and audience to interact, and may be implemented for unreal The miniaturization and micro energy lose design of lamp piece mouse mappings control, high convenient for engineering control precision, reaction speed is fast, and power consumption is low.
2, the mobile terminal of the utility model just can be realized the control to lantern slide mouse by downloading installation related software System carries convenient for speaker, easy to use.
3, the utility model realizes that the control precision of the mapping control to mouse is high by the camera on mobile terminal, control Freedom degree processed is also very high, can easily realize impromptu circle note on lantern slide.
Detailed description of the invention
Fig. 1 is the utility model using single-chip microcontroller U2 as the control block diagram of core.
Fig. 2 is the utility model single-chip microcontroller U2 and mobile terminal sensor group mpu1 and 2.4G wireless communication module JP1 electricity Road catenation principle figure.
Fig. 3 is the utility model power module circuit schematic.
Fig. 4 is flow chart of the utility model mobile terminal APP based on opencv.
Fig. 5 is the utility model computer programme flow diagram.
Specific embodiment
In order to which those skilled in the art better understand the utility model, with reference to the accompanying drawing with following embodiment to this Utility model is described in further detail.
Embodiment 1
As shown in Figure 1, the present embodiment provides a kind of wireless display control device, including the single-chip microcontroller U2 with computer communication And mobile terminal, function button group and the 2.4G wireless communication module JP1 communicated respectively with single-chip microcontroller U2,
As shown in figure 5, for the flow diagram of computer program, the control by startup program realization device to lantern slide, For the single-chip microcontroller U2 for realizing the hardware controls to mobile terminal, the mobile terminal and single-chip microcontroller U2 communication are actually to move Dynamic end sensor group mpu1 and single-chip microcontroller U2 is communicated, and the mobile terminal sensor group mpu1 includes acceleration transducer and top Spiral shell instrument, single-chip microcontroller U2 realize hardware controls to acceleration transducer and gyroscope, by reading acceleration transducer and gyroscope Data, realize four parameter DMP data fusions, realize stable attitude data, for lantern slide projection control work provide substantially Data support;
The mobile terminal is used for speaker, for carrying out mapping control to lantern slide mouse;
The function button group is for realizing the function control to single-chip microcontroller U2;
The 2.4G wireless communication module JP1 for realizing the communication between single-chip microcontroller U2 and computer, single-chip microcontroller U2 with Data are passed through by the UART interface of single-chip microcontroller U2 and the RS232 of computer using 2.4G wireless communication module JP1 between computer Interface carries out the interconnection based on communications protocol, realizes the transmission of attitude motion information;
After the acceleration transducer data realize acquisition and filtering processing on mobile terminals, then it is transmitted to single-chip microcontroller U2。
As shown in figure 4, be flow chart of the mobile terminal APP based on opencv, the Bluetooth communication part of the computer with Communication is realized in the Bluetooth communication part of mobile terminal APP, and mobile terminal APP develops environment using Eclipse, counts when testing communication Calculation machine selects packet capturing software WINCAP, the data whether sent by mobile terminal to test PC machine, and mobile terminal APP is utilized Acceleration transducer tests the change in displacement of mobile terminal, to convert change in displacement to the movement of lantern slide mouse;
Mutation is filtered out using median filtering algorithm after the change in displacement of the acceleration transducer acquisition mobile terminal Clutter carries out low frequency filtering using acceleration information of the high-pass filter to acquisition, then the data obtained is converted and handled, By Bluetooth communication fractional transmission trace information, trace information is shown on computer, wherein conversion is related to gravity with processing Mathematical operations and the noise processed such as some conversions of acceleration and its three-dimensional coordinate of component building and integral;Added by measuring The acceleration of 3 axis is projected to vertical direction i.e. gravity direction and horizontal direction is constituted by acceleration of the velocity sensor on 3 axis Plane on, acceleration quadratic integral is displaced, motion profile of the mobile terminal on this face is obtained, is passed by bluetooth Defeated trace information, is shown on computer screen, achievees the purpose that write in the sky.
Embodiment 2
The present embodiment advanced optimizes on the basis of embodiment 1, specifically:
The mobile terminal sensor group mpu1 further includes camera, by the way that capture program is written to camera, will be imaged The yuv format image information of head acquisition carries out statistics with histogram, obtains segmentation threshold after statistics, then carry out two-value quantification treatment, 650nm laser facula information in yuv image is obtained by 2D median filtering, the centre bit of hot spot is obtained by bright center algorithm Set, by 6 calibration procedures on computer, complete image coordinate to lantern slide screen coordinate mapping relations, by upper Communication link is stated, coordinate information is converted into mouse coordinates control on computers, realizes mapping control of the laser to mouse System has reached the screen map control of bigger freedom degree.
Embodiment 3
As shown in Figures 2 and 3, the present embodiment advanced optimizes on the basis of embodiment 2, specifically:
The single-chip microcontroller U2 model STC12LE5A60S2, mobile terminal sensor group mpu1 model MPU6050, The specific connection of 2.4G wireless communication module JP1 model nRF24L01, single-chip microcontroller U2 and mobile terminal sensor group mpu1 are as follows:
20 feet and 21 feet of single-chip microcontroller U2 are correspondingly connected with 3 feet of mobile terminal sensor group mpu1 and 4 feet respectively;
The specific connection of the single-chip microcontroller U2 and 2.4G wireless communication module JP1 are as follows:
25 feet, 17 feet, 28 feet, 39 feet, 6 feet and 8 feet of single-chip microcontroller U2 respectively with 3 feet of 2.4G wireless communication module JP1, 4 feet, 6 feet, 7 feet, 5 feet and 8 feet are connected respectively;
The wireless display control device further includes power module, and the power module is whole with single-chip microcontroller U2, movement respectively End sensor group mpu1 and 2.4G wireless communication module JP1 electrical connection, power module includes battery supply interface J1 and pressure stabilizing Device U1, the physical circuit connection of the power module are as follows:
1 end of battery supply interface J1 is connected with the cathode of zener diode D3, the anode and battery of zener diode D3 2 ends of power interface J1 connect, and 1 end of battery supply interface J1 is connect with 3 feet of voltage-stablizer U1, and the 2 of battery supply interface J1 End is connect with 1 foot of voltage-stablizer U1, and 3 feet of voltage-stablizer U1 are also connected with the anode and the one of capacitor CB1 of electrolytic capacitor C2 End, the cathode and the other end of capacitor CB1 and 1 foot of voltage-stablizer U1 of electrolytic capacitor C2 are connect, and 2 feet of voltage-stablizer U1 are connected with electricity Solve anode and one end of capacitor CB2 of capacitor C1, the cathode of electrolytic capacitor C1 and the other end and the 1 of voltage-stablizer U1 of capacitor CB2 Foot connect and ground;
2 feet of voltage-stablizer U1 are whole with 38 feet of single-chip microcontroller U2,2 feet of 2.4G wireless communication module JP1 and movement respectively 1 foot of end sensor group mpu1 connects;
Function button group includes function button S1-S5, the function button S1-S5 respectively with 1 foot of single-chip microcontroller U2,44 Foot, 43 feet, 42 feet and 41 feet are correspondingly connected with, and 40 feet of the single-chip microcontroller U2 are connected with voltage detection circuit, single-chip microcontroller U2 14 feet and 15 feet be connected with crystal oscillating circuit, 4 feet of single-chip microcontroller U2 are connected with reset circuit.
The above, the only preferred embodiment of the utility model, are not intended to limit the utility model, the utility model Scope of patent protection be subject to claims, it is equivalent made by all specifications and accompanying drawing content with the utility model Structure change similarly should be included in the protection scope of the utility model.

Claims (10)

1. a kind of wireless display control device, which is characterized in that including the single-chip microcontroller U2 with computer communication and respectively with list Mobile terminal, function button group and the 2.4G wireless communication module JP1 of piece machine U2 communication,
The single-chip microcontroller U2 controls work for lantern slide projection and provides data branch for realizing the hardware controls to mobile terminal It holds;
The mobile terminal is used for speaker, for carrying out mapping control to lantern slide mouse;
The function button group is for realizing the function control to single-chip microcontroller U2;
The 2.4G wireless communication module JP1 is for realizing the communication between single-chip microcontroller U2 and computer.
2. a kind of wireless display control device according to claim 1, which is characterized in that the mobile terminal and single-chip microcontroller U2 communication is actually that mobile terminal sensor group mpu1 and single-chip microcontroller U2 is communicated, and the mobile terminal sensor group mpu1 includes Acceleration transducer and gyroscope, single-chip microcontroller U2 realize hardware controls to acceleration transducer and gyroscope, are accelerated by reading The data of sensor and gyroscope are spent, four parameter DMP data fusions is realized, realizes stable attitude data, are lantern slide projection Control work provides basic data and supports.
3. a kind of wireless display control device according to claim 2, which is characterized in that the acceleration transducer data After realizing acquisition and filtering processing on mobile terminals, then it is transmitted to single-chip microcontroller U2.
4. a kind of wireless display control device according to claim 1, which is characterized in that the single-chip microcontroller U2 and computer Between using 2.4G wireless communication module JP1 by data by the UART interface of single-chip microcontroller U2 and the RS232 interface of computer into Row interconnection, realizes the transmission of attitude motion information.
5. a kind of wireless display control device according to claim 4, which is characterized in that the Bluetooth communication of the computer Part and the Bluetooth communication part of mobile terminal APP realize and communicate that mobile terminal APP tests movement using acceleration transducer The change in displacement of terminal, to convert change in displacement to the movement of lantern slide mouse.
6. a kind of wireless display control device according to claim 3, which is characterized in that the acceleration transducer acquisition The clutter for being filtered out mutation after the change in displacement of mobile terminal using median filtering algorithm adds acquisition using high-pass filter Speed data carries out low frequency filtering, then the data obtained is converted and is handled, by Bluetooth communication fractional transmission trace information, Trace information is shown on computer.
7. a kind of wireless display control device according to claim 2, which is characterized in that the mobile terminal sensor group Mpu1 further includes camera, and laser facula information is obtained after the image information that camera acquires is handled, and completes image and sits The mapping relations of lantern slide screen coordinate are marked, laser facula coordinate information is converted into mouse coordinates on computers, are realized Mapping control to mouse.
8. a kind of wireless display control device according to claim 2, which is characterized in that the single-chip microcontroller U2 model
STC12LE5A60S2, mobile terminal sensor group mpu1 model MPU6050,2.4G wireless communication module JP1 model
The specific connection of nRF24L01, single-chip microcontroller U2 and mobile terminal sensor group mpu1 are as follows:
20 feet and 21 feet of single-chip microcontroller U2 are correspondingly connected with 3 feet of mobile terminal sensor group mpu1 and 4 feet respectively.
9. a kind of wireless display control device according to claim 8, which is characterized in that the single-chip microcontroller U2 and 2.4G without The specific connection of line communication module JP1 are as follows:
25 feet, 17 feet, 28 feet, 39 feet, 6 feet and 8 feet of single-chip microcontroller U2 respectively with 3 feet of 2.4G wireless communication module JP1,4 feet, 6 feet, 7 feet, 5 feet and 8 feet are connected respectively.
10. a kind of wireless display control device according to claim 2, which is characterized in that the wireless display control dress Setting further includes power module, the power module respectively with single-chip microcontroller U2, mobile terminal sensor group mpu1 and 2.4G channel radio Module J P1 electrical connection is interrogated, power module includes battery supply interface J1 and voltage-stablizer U1, the physical circuit of the power module Connection are as follows:
1 end of battery supply interface J1 is connected with the cathode of zener diode D3, the anode and battery supply of zener diode D3 2 ends of interface J1 connect, and 1 end of battery supply interface J1 is connect with 3 feet of voltage-stablizer U1,2 ends of battery supply interface J1 and 1 foot of voltage-stablizer U1 connects, and 3 feet of voltage-stablizer U1 are also connected with anode and one end of capacitor CB1 of electrolytic capacitor C2, electricity The cathode and the other end of capacitor CB1 and 1 foot of voltage-stablizer U1 of solution capacitor C2 is connect, and 2 feet of voltage-stablizer U1 are connected with electrolysis electricity Hold anode and one end of capacitor CB2 of C1, the 1 foot company of the cathode of electrolytic capacitor C1 and the other end of capacitor CB2 and voltage-stablizer U1 It connects and is grounded;
2 feet of voltage-stablizer U1 are passed with 38 feet of single-chip microcontroller U2,2 feet of 2.4G wireless communication module JP1 and mobile terminal respectively 1 foot of sensor group mpu1 connects.
CN201821952724.6U 2018-11-26 2018-11-26 A kind of wireless display control device Expired - Fee Related CN208873031U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821952724.6U CN208873031U (en) 2018-11-26 2018-11-26 A kind of wireless display control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821952724.6U CN208873031U (en) 2018-11-26 2018-11-26 A kind of wireless display control device

Publications (1)

Publication Number Publication Date
CN208873031U true CN208873031U (en) 2019-05-17

Family

ID=66471616

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821952724.6U Expired - Fee Related CN208873031U (en) 2018-11-26 2018-11-26 A kind of wireless display control device

Country Status (1)

Country Link
CN (1) CN208873031U (en)

Similar Documents

Publication Publication Date Title
CN110517319B (en) Method for determining camera attitude information and related device
WO2017000457A1 (en) Handheld interaction device and projection interaction method therefor
EP1510896B1 (en) Remotely-operated robot, and robot self position identifying method
CN102147658B (en) Method and device for realizing interaction of augment reality (AR) and mobile terminal
WO2021184952A1 (en) Augmented reality processing method and apparatus, storage medium, and electronic device
CN103619090A (en) System and method of automatic stage lighting positioning and tracking based on micro inertial sensor
CN111784765B (en) Object measurement method, virtual object processing method, virtual object measurement device, virtual object processing device, medium and electronic equipment
CN203012636U (en) Man-machine interactive system based on laser projection positioning
CN112270754A (en) Local grid map construction method and device, readable medium and electronic equipment
CN208027318U (en) A kind of lantern slide remote control pen crossed
CN110327048A (en) A kind of human upper limb posture reconstruction system based on wearable inertial sensor
CN103747196A (en) Kinect sensor-based projection method
CN113365085B (en) Live video generation method and device
CN113129411A (en) Bionic animation generation method and electronic equipment
KR101184690B1 (en) An apparatus for producing education contents using mobile terminal imbedded motion tracking program and tracking cradle interconnected to mobile terminal
CN110956571B (en) SLAM-based virtual-real fusion method and electronic equipment
CN112581571A (en) Control method and device of virtual image model, electronic equipment and storage medium
CN208873031U (en) A kind of wireless display control device
US20200042821A1 (en) Interactive method and interactive system
US20240153375A1 (en) Home Device Position Marking Method and Electronic Device
CN203608279U (en) Miniature projector
CN110362215A (en) A kind of lantern slide remote control pen crossed
CN104516007A (en) Intelligent guide service locating device
CN206431851U (en) A kind of child's gymnastics assisted teaching system
CN207181702U (en) A kind of alignment system based on GPS Yu ranging angle measurement technique

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190517

Termination date: 20201126