CN206489525U - Bluetooth air mouse - Google Patents
Bluetooth air mouse Download PDFInfo
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- CN206489525U CN206489525U CN201720201247.9U CN201720201247U CN206489525U CN 206489525 U CN206489525 U CN 206489525U CN 201720201247 U CN201720201247 U CN 201720201247U CN 206489525 U CN206489525 U CN 206489525U
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- bluetooth
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- attitude transducer
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Abstract
The utility model discloses a kind of Bluetooth air mouse, including attitude transducer module, master control Slab element, bluetooth HID modules, attitude transducer module is used to catch hand motion, and the signal of collection is transferred into master control Slab element；Master control Slab element includes microprocessor unit and PMU, wherein microprocessor unit is used to read the key information in the data and its unit of attitude transducer module, and transmit the information received progress processing to bluetooth HID modules, PMU is made up of 3.7v lithium batteries, charhing unit and mu balanced circuit, for providing stable 3.3V and 5V power supplys for attitude transducer module, microprocessor unit and bluetooth HID modules；Bluetooth HID modules are used to displacement information and key information being sent to equipment.The utility model Bluetooth air mouse is wirelessly transferred while data can be realized by gathering hand motion and attitude algorithm is broken away from the limitation of desktop and vacantly operated, realizes the operation to smart machine convenient and efficient.
Description
Technical field
The utility model belongs to communication technical field, and in particular to a kind of Bluetooth air mouse.
Background technology
Air mouse is a kind of input equipment, and screen cursor is operated as conventional mouse, any flat without being placed on
On face, rock or click in the air and used.Air mouse has great convenience for the user, such as removable using air mouse
Cursor on computer, video screen, uses free convenience；, can be real by air mouse in PPT speeches, multimedia teaching
The existing function such as mouse action and page turning, makes speaker and the activity space for the person of giving lessons be no longer limited to mouse position.Current sky
Middle mouse is communicated frequently with NRF2.4G wireless sending modules, and being limited by communication modes makes some intelligent electronic devices can not
Using air mouse.
Utility model content
In order to overcome above-mentioned technological deficiency, the utility model provides a kind of Bluetooth air mouse, caught by internal sensor
The hand motion for catching people is converted into displacement of the mouse in two dimensional surface, and is set real-time data transmission to intelligence by bluetooth
It is standby, so as to control the movement of screen cursor.
The technical scheme that the utility model is used is：
A kind of Bluetooth air mouse, including housing, button and be arranged in housing attitude transducer module, master control borad
Unit, bluetooth HID modules, wherein,
Attitude transducer module, master control Slab element is transferred to for catching hand motion, and by the signal of collection；
Master control Slab element includes microprocessor unit and PMU；
Bluetooth HID modules are used to displacement information and key information being sent to equipment；
Microprocessor unit, the key information in data and microprocessor unit for reading attitude transducer module,
And transmit the information received progress processing to bluetooth HID modules；
PMU is made up of 3.7V lithium batteries, charhing unit and mu balanced circuit, for for attitude transducer module,
Microprocessor unit and bluetooth HID modules provide stable 3.3V and 5V power supplys.
The attitude transducer module uses attitude transducer mpu6050.
Bluetooth air mouse of the present utility model catches hand motion using attitude transducer measurement, allows mouse to break away from table
The limitation in face, compared to the air mouse of roller type, Operational Figure Of Merit is higher, and it is more convenient to operate；Compared to the action of camera
Seizure scheme price is less expensive.Embedded with bluetooth in Bluetooth wireless transmission scheme, many smart machines is used simultaneously, compared to
2.4GHZ schemes, with stronger adaptability.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 and Fig. 3 are the circuit theory diagrams of master control Slab element of the present utility model.
Fig. 4 is program flow diagram of the present utility model.
Fig. 5 is embodiment profile construction schematic diagram of the present utility model.
1 attitude transducer module in figure, 2 master control Slab elements, 3 bluetooth HID modules, 4 microprocessor units, 5 power managements
Unit, 6 batteries, 7 buttons, 8 housings, 9 power switches.
Embodiment
The utility model is described in detail with reference to the accompanying drawings and detailed description.
The utility model as shown in Figure 1 and Figure 4, including housing 8, button 7 and the attitude transducer being arranged in housing 8
Module 1, master control Slab element 2, bluetooth HID modules 3.
Attitude transducer module 1, master control Slab element 2 is transferred to for catching hand motion, and by the signal of collection；Master control
Slab element 2 includes microprocessor unit 4 and PMU 5；Bluetooth HID modules 3 are used for displacement information and key information
It is sent to equipment；Microprocessor unit 4, the key information in data and unit for reading attitude transducer module 1, and will
The information progress processing received is transmitted to bluetooth HID modules 3；PMU 5 is by 3.7v lithium batteries, charhing unit and steady
Volt circuit is constituted, for for attitude transducer module 1, microprocessor unit 4 and bluetooth HID modules 3 provide stable 3.3V and
5V power supplys.
Attitude transducer module uses attitude transducer mpu6050 in the utility model, and level is carried out to attitude transducer
Installation is that X axis is right forward for Z axis, in Y-axis, catches hand motion using attitude transducer mpu6050, obtains X-axis, Y-axis, Z
Acceleration A x, Ay, Az and angular speed Gx, Gy, Gz of axle, the above-mentioned data of main control chip stm32f103c8t6 readings carry out quaternary
Number complementary filter formula, which is calculated, obtains q0, q1, q2, q3, recycles quaternary number to turn Euler's angle formula
gx = 2 * (q1*q3 - q0*q2)；
gy = 2 * (q0*q1 + q2*q3)；
gz = q0*q0 - q1*q1 - q2*q2 + q3*q3；
yaw = atan2f(2*q1*q2 - 2*q0*q3, 2*q0*q0 + 2*q1*q1 - 1) * 57.3；
pitch = atanf(gx / sqrt(gy*gy + gz*gz)) * 57.3；
roll = atanf(gy / sqrt(gx*gx + gz*gz)) * 57.3；
Roll angle roll is obtained, recycles trigonometric function formula to obtain the sine value sint and cosine value cost at roll angles,
And substitute into formula：
X= (Gy * sin_t) +(Gx * cost);
Y= (Gx * sin_t) +(Gy * cost);
Two dimensional surface the displacement X and Y calculated, while stm32f103c8t6 chips also can constantly read left and right thereon
Key-press status Rl and Rr, and by shift value X and Y, tetra- data of key-press status Rl and Rr are by bluetooth HID module transfers to computer
Or smart machine.
Master control Slab element includes microprocessor unit and PMU, and its circuit theory is referring to Fig. 2, microprocessor list
Member using stm32f103c8t6 as kernel processor chip, stm32f103c8t6 pin 30 and pin 31 respectively with bluetooth
The RXD pins of HID modules are connected with TXD pins；Stm32f103c8t6 pin 42 and pin 43 respectively with attitude transducer
SCL pins and SDA pins connection；Stm32f103c8t6 pin 11 and pin 12 is pressed with fine motion button SL and fine motion respectively
Key SR connections, fine motion button SL and fine motion button SR ground connection；Crystal oscillator in parallel between stm32f103c8t6 pin 5 and pin 6
X1, crystal oscillator X1 pin 1 and pin 2 are connected respectively at electric capacity C1 and electric capacity C2, electric capacity C1 and C2 ground connection；
Stm32f103c8t6 pin 20 is connected with resistance R1, resistance R1 ground connection；Stm32f103c8t6 pin 44 is grounded；
Stm32f103c8t6 pin 7 is while series resistance RT and electric capacity CT, resistance RT connect 3.3V circuits, electric capacity CT ground connection；
Stm32f103c8t6 pin 23, pin 35, pin 47 and pin 8 is grounded；Stm32f103c8t6 pin 1, pin 24, draw
Pin 36, pin 45 and pin 9 connect 3.3V circuits；The stm32f103c8t6 series diode D4 negative poles of pin 18, diode D4 is just
Pole series resistance RD2, resistance RD2 connect 3.3V circuits.
PMU includes XC6206P332MR chips and TP4057 chips, the pin of XC6206P332MR chips
1 ground connection；The pin 2 of XC6206P332MR chips connects 3.3V circuits and electric capacity C11, electric capacity C11 ground connection simultaneously；
The pin 3 of XC6206P332MR chips connects 3.7V circuits and electric capacity C10, electric capacity C10 ground connection simultaneously；TP4057 chip pins 1
Diode D1 negative poles are connected, diode D1 cathode series resistance R3, resistance R3 connect outside 5V power supplys；The pin 2 of TP4057 chips
Ground connection；The pin 3 of TP4057 chips connects power switch pin 2 and anode simultaneously, and the pin 1 of power switch connects 3.7V electricity
Road, GND ground connection；The pin 4 of TP4057 chips connects outside 5V power supplys and electric capacity C9, electric capacity C9 ground connection simultaneously；TP4057
The pin 5 of chip connects and diode D2 negative poles, diode D2 positive pole connecting resistances R3；The connecting resistance R2 of TP4057 chip pins 6, resistance
R2 is grounded；Shunt capacitance C5, electric capacity C6, electric capacity C7 and electric capacity C8 between 3.3V circuits and ground；3.3V circuit connected in series resistance RD1,
Resistance RD1 connection diode D3 positive poles, diode D3 negative poles ground connection.
The program circuit of Bluetooth air mouse of the present utility model is as shown in Figure 3：In use, turning on the power switch 9, it will think
The embedded with bluetooth for the smart machine to be controlled or outside Bluetooth adapter are connected with the pairing of bluetooth HID modules 3, will after the completion of connection
The place end of the button 7 alignment screen of equipment, air mouse is moved to the direction for wishing cursor movement, now attitude transducer mould
Block 1 can be caught in the data such as acceleration A x, Ay and Az and angular speed Gx, Gy and Gz of three axles, the reading of microprocessor unit 4 automatically
State data progress quaternary number complementary filter and obtain q0, q1, q2, tetra- values of q3, and above-mentioned four value is turned into Eulerian angles by quaternary number
Formula calculates and obtains roll angle roll, while microprocessor unit 4 calculates the sine value sint and cosine value cost at roll angles
Shift value X and Y are calculated with resultant acceleration Gx and Gy, and sends the shift value handled and key-press status to bluetooth HID moulds
Block 3, and then commanding apparatus screen cursor.
The utility model is compared to the common air mouse communicated using NRF2.4G wireless sending modules, the sky
Middle mouse utilizes more common of bluetooth communication mode, can be carried out for the computer without Bluetooth function with circumscribed USB adapter
Use, for can not circumscribed USB equipment mancarried electronic aid, such as mobile phone, device interior bluetooth can be directly connected to and entered
Exercise and use, substantially increase application and the application scenario of air mouse.It is high, easy to use, general with Operational Figure Of Merit
Property high, the low advantage of production cost.
Claims (3)
1. a kind of Bluetooth air mouse, it is characterised in that the Bluetooth air mouse includes housing, button and is arranged on housing
Interior attitude transducer module, master control Slab element, bluetooth HID modules, wherein,
Attitude transducer module, master control Slab element is transferred to for catching hand motion, and by the signal of collection；
Master control Slab element includes microprocessor unit and PMU；
Bluetooth HID modules are used to displacement information and key information being sent to equipment；
Microprocessor unit, the key information in data and microprocessor unit for reading attitude transducer module, and will
The information progress processing received is transmitted to bluetooth HID modules；
PMU is made up of 3.7V lithium batteries, charhing unit and mu balanced circuit, for for attitude transducer module, Wei Chu
Manage device unit and bluetooth HID modules provide stable 3.3V and 5V power supplys；
The microprocessor unit is used as kernel processor chip, the stm32f103c8t6 He of pin 30 using stm32f103c8t6
Pin 31 is connected with the RXD pins and TXD pins of bluetooth HID modules respectively；Stm32f103c8t6 pin 42 and pin 43
It is connected respectively with the SCL pins and SDA pins of attitude transducer；Stm32f103c8t6 pin 11 and pin 12 respectively with it is micro-
Dynamic button SL and the SR connections of fine motion button, fine motion button SL and fine motion button SR ground connection；Stm32f103c8t6 pin 5 and draw
Crystal oscillator X1, crystal oscillator X1 in parallel pin 1 and pin 2 are connected respectively at electric capacity C1 and electric capacity C2 between pin 6, and electric capacity C1 and C2 connect
Ground；Stm32f103c8t6 pin 20 is connected with resistance R1, resistance R1 ground connection；Stm32f103c8t6 pin 44 is grounded；
Stm32f103c8t6 pin 7 is while series resistance RT and electric capacity CT, resistance RT connect 3.3V circuits, electric capacity CT ground connection；
Stm32f103c8t6 pin 23, pin 35, pin 47 and pin 8 is grounded；Stm32f103c8t6 pin 1, pin 24, draw
Pin 36, pin 45 and pin 9 connect 3.3V circuits；The stm32f103c8t6 series diode D4 negative poles of pin 18, diode D4 is just
Pole series resistance RD2, resistance RD2 connect 3.3V circuits.
2. air mouse according to claim 1, it is characterised in that the attitude transducer module uses attitude transducer
mpu6050。
3. Bluetooth air mouse according to claim 1, it is characterised in that the PMU includes
XC6206P332MR chips and TP4057 chips, the pin 1 of XC6206P332MR chips are grounded；XC6206P332MR chips
Pin 2 simultaneously connect 3.3V circuits and electric capacity C11, electric capacity C11 ground connection；The pin 3 of XC6206P332MR chips is connected simultaneously
3.7V circuits and electric capacity C10, electric capacity C10 ground connection；TP4057 chip pins 1 connect diode D1 negative poles, diode D1 positive pole strings
Join resistance R3, resistance R3 connects outside 5V power supplys；The pin 2 of TP4057 chips is grounded；The pin 3 of TP4057 chips connects electricity simultaneously
Source switch pin 2 and anode, the pin 1 of power switch connect 3.7V circuits, GND ground connection；The pin of TP4057 chips
4 connect outside 5V power supplys and electric capacity C9, electric capacity C9 ground connection simultaneously；The pin 5 of TP4057 chips connects and diode D2 negative poles, two poles
Pipe D2 positive pole connecting resistances R3；TP4057 chip pins 6 connecting resistance R2, resistance R2 ground connection；Shunt capacitance between 3.3V circuits and ground
C5, electric capacity C6, electric capacity C7 and electric capacity C8；3.3V circuit connected in series resistance RD1, resistance RD1 connection diode D3 positive poles, diode D3
Negative pole is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720201247.9U CN206489525U (en) | 2017-03-03 | 2017-03-03 | Bluetooth air mouse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720201247.9U CN206489525U (en) | 2017-03-03 | 2017-03-03 | Bluetooth air mouse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206489525U true CN206489525U (en) | 2017-09-12 |
Family
ID=59762437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720201247.9U Expired - Fee Related CN206489525U (en) | 2017-03-03 | 2017-03-03 | Bluetooth air mouse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206489525U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107704106A (en) * | 2017-10-17 | 2018-02-16 | 宁波视睿迪光电有限公司 | Attitude positioning method, device and electronic equipment |
-
2017
- 2017-03-03 CN CN201720201247.9U patent/CN206489525U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107704106A (en) * | 2017-10-17 | 2018-02-16 | 宁波视睿迪光电有限公司 | Attitude positioning method, device and electronic equipment |
| CN107704106B (en) * | 2017-10-17 | 2021-04-09 | 宁波视睿迪光电有限公司 | Attitude positioning method and device and electronic equipment |
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| 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: 20170912 Termination date: 20180303 |