CN107990894A - A kind of athletic posture sensor chip - Google Patents
A kind of athletic posture sensor chip Download PDFInfo
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- CN107990894A CN107990894A CN201711402810.XA CN201711402810A CN107990894A CN 107990894 A CN107990894 A CN 107990894A CN 201711402810 A CN201711402810 A CN 201711402810A CN 107990894 A CN107990894 A CN 107990894A
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- 230000000386 athletic effect Effects 0.000 title claims abstract description 33
- 239000000758 substrate Substances 0.000 claims abstract description 17
- 230000001133 acceleration Effects 0.000 claims abstract description 12
- 238000004891 communication Methods 0.000 claims abstract description 11
- 238000004806 packaging method and process Methods 0.000 claims abstract description 10
- 230000004927 fusion Effects 0.000 claims abstract description 9
- 238000001914 filtration Methods 0.000 claims abstract description 3
- 238000003466 welding Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 6
- 230000033001 locomotion Effects 0.000 claims description 4
- 238000005538 encapsulation Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 229910010293 ceramic material Inorganic materials 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 claims description 2
- 230000007613 environmental effect Effects 0.000 claims description 2
- 230000003993 interaction Effects 0.000 claims description 2
- 239000007769 metal material Substances 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 claims description 2
- 238000007254 oxidation reaction Methods 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims description 2
- 230000008054 signal transmission Effects 0.000 claims description 2
- 238000003860 storage Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 235000012431 wafers Nutrition 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 6
- 230000002093 peripheral effect Effects 0.000 abstract description 4
- 238000012856 packing Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000004092 self-diagnosis Methods 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/10—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration
- G01C21/12—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning
- G01C21/16—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation
- G01C21/165—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation combined with non-inertial navigation instruments
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/005—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 with correlation of navigation data from several sources, e.g. map or contour matching
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/04—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by terrestrial means
- G01C21/08—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by terrestrial means involving use of the magnetic field of the earth
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- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
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Abstract
The present invention relates to a kind of athletic posture sensor chip, belongs to inertial technology Intelligent Fusion sensor, is made of turn meter, accelerometer, magnetometer, microprocessor, Power Management Unit, substrate, bonding line, pin, packaging body；Microprocessor carries out multidimensional data fusion, data filtering, amendment and compensation to the angular speed, acceleration, resultant field intensity of tri- axial directions of host X, Y, Z of acquisition, output is by host's course angle of resolving and processing, pitch angle, roll angle, inclination angle, move distance data, by fusion but the angular speed of undressed host's quaternion algebra evidence and original tri- axial directions of X, Y, Z of host, acceleration, resultant field intensity A DC data；Turn meter, accelerometer, magnetometer, Power Management Unit use nude film；Packing forms are chip, are connected by pin with peripheral hardware；Communication interface defines on pin, including UART, USART, SPI, CAN and I2It is one or more in C.
Description
Technical field
The present invention relates to a kind of athletic posture sensor chip.Belong to inertial technology Intelligent Fusion sensor.
Background technology
In recent years, inertial technology is constantly lifted in the level of application of traditional industries with scale, including MEMS inertia devices (add
Speedometer, gyroscope), micro inertial measurement unit (3 axis, 6 axis, 9 axis MIMU) and posture heading reference system (AHRS).And constantly
Applied to frontier, new industry, traverse measurement, intelligent transportation, automotive electronics, industrial automation, precision agriculture, larger medical are set
Standby, robot, instrument and meter, engineering machinery, satellite and wireless communication system, photography and vedio recording platform stable, safety/monitoring device
Inertial technology will be all widely applied Deng field, the trend of accelerated growth is presented in inertia production demand size.
Inertial sensor and microprocessor combine, the single-chip integrated intelligence sensor (AHRS) with various functions becomes
The main direction of development.Intellectualized sensor has many salient features compared with traditional sensors, than if any self diagnosis and certainly
Calibration function, there is judgement and the information processing function, measured value can be modified, error compensation, so that measurement accuracy is improved,
It can also realize multisensor measuring multiple parameters.
At present, on commercial market, athletic posture sensor is monopolized by external product, price Gao Mao, certain customers in order to
It is cost-effective, inertia device do-it-yourself data fusion is bought, since algorithm falls behind, manufacturing process limitation, not only performance does not reach,
The also big power consumption of volume is high；In military project in the market, the scientific research of one side military project is for a long time based on the high-grade, precision and advanced equipment of research and development
Want task, lack the scientific research experience and mechanism of low cost equipment, on the other hand needed for secrecy, it is impossible to using external product,
Domestic qualified inexpensive attitude transducer choice is minimum.
The content of the invention
The object of the present invention is to provide a kind of performance to reach external same class standard, volume smaller, power consumption are lower, cost more
Less, speed chip-shaped athletic posture sensor faster, solves the pain spot of user.
Technical solution is used by the present invention solves the above problems：
1st, a kind of athletic posture sensor chip, it is characterised in that：Including turn meter, accelerometer, magnetometer, Wei Chu
Manage device, Power Management Unit, substrate, bonding line, pin, packaging body；
The turn meter, for monitoring moving object angular speed, can measure and export host X, Y, Z to microprocessor
The angular velocity data of three axial directions；
The accelerometer, for monitoring moving object acceleration, can measure and export host X, Y, Z to microprocessor
The acceleration information of three axial directions；
The magnetometer, for monitoring earth magnetic field and environmental magnetic field, can measure and to microprocessor output host X,
Y, the resultant field intensity data of tri- axial directions of Z；
The microprocessor, for Storage controlling program and algorithm, and the angle speed of tri- axial directions of host X, Y, Z to acquisition
Degree, acceleration, resultant field intensity carry out multidimensional data fusion, data filtering, amendment and compensation, and export attitude data；
The Power Management Unit, for carrying out voltage and current point to the power supply of input motion attitude transducer chip
Match somebody with somebody；
The substrate is printed circuit board (PCB), for carrying turn meter, accelerometer, magnetometer, microprocessor, power supply pipe
Unit, secure circuit are managed, carries out power Transmission, signal transmission and pin output；
The bonding line is metal wire, for turn meter, accelerometer, magnetometer, Power Management Unit and substrate it
Between connection, i.e., athletic posture sensor chip lead welding；
The pin is wire or metal pressure-welding point, is welded or coated in substrate periphery, for athletic posture sensor
The signal interaction and electric power input of chip and external devices；
The packaging body is high molecular material, metal material or ceramic material, for wrap up turn meter, accelerometer,
The elements such as magnetometer, microprocessor, Power Management Unit, secure circuit, substrate, bonding line, prevent oxidation and water, dirt, conduction
Ion enters, and improves protective and reliability.
2nd, a kind of athletic posture sensor chip, it is characterised in that：Communication interface defines on pin, including UART connects
Mouth, USART interfaces, spi bus interface, CAN interface and I2At least one of C bus interface.
3rd, turn meter therein, accelerometer, magnetometer, microprocessor, Power Management Unit are nude film, i.e., integrated
Circuit wafer is after cutting is tested not by the chip of encapsulation.
4th, the attitude data of microprocessor output therein is by resolving and the host's attitude angle data handled, including boat
It is former by fusion but undressed host's quaternion algebra evidence and host to angle, pitch angle, roll angle, inclination angle, move distance
The angular speed of tri- axial directions of beginning X, Y, Z, acceleration, resultant field intensity A DC data.
The beneficial effects of the present invention are：
(1) volume of athletic posture sensor is reduced
The present invention makes athletic posture sensor chip using design considerations such as substrate, nude film, bonding line, pins so that
The volume-diminished several times of inexpensive attitude transducer based on MEMS inertia devices, greatly increase its application occasion.
(2) power consumption of athletic posture sensor is reduced
The present invention makes athletic posture sensor chip, while realizes passive, and involved component is further reduced,
Chip realizes onboard communication with peripheral hardware, and the above all causes the lower power consumption several times of sensor, is more suitable for intelligent movable equipment
Use.
(3) cost of athletic posture sensor is reduced
The chip-shaped encapsulation design and nude film of the present invention uses, and all makes its cost reduction very much, it is competing accordingly to improve its market
Strive power.
(4) athletic posture sensor communication speed is improved
The chip design of the present invention makes the communication of athletic posture sensor and peripheral hardware the faster communication technology can be used to substitute
Serial communication originally so that communication speed has bigger raising, and real-time is more preferable.
Brief description of the drawings
Fig. 1 is athletic posture sensor chip structure diagram
Fig. 2 is athletic posture sensor chip pictorial diagram
Fig. 3 is athletic posture sensor chip pin definitions figure
Embodiment
As shown in Figure 1, the structure diagram of the athletic posture sensor chip designed for the present invention.By microprocessor, angle speed
Spend the composition such as meter, accelerometer, magnetometer, Power Management Unit, substrate, pin, bonding line, packaging body.It is with the arrow in figure
Filament represents to make metallic circuit in a substrate.Turn meter, accelerometer, magnetometer are raw sensory data sources, to
Microprocessor output data；Power Management Unit by the metallic circuit in bonding line and substrate to various elements provide voltage with
Electric current distributes, while receives the power management instruction of microprocessor；The various elements of base plate carrying, there is provided signal and energy flowing
Link, and be connected with pin, there is provided athletic posture sensor is interacted with peripheral hardware；Bonding line is by turn meter nude film, acceleration
Nude film, magnetometer nude film, Power Management Unit nude film microprocessor nude film and substrate connection are counted, and realizes signal energy source；
Packaging body is by the one of microprocessor, turn meter, accelerometer, magnetometer, Power Management Unit, substrate, bonding line and pin
Portion envelops together, finally can only see packaging body and the part pin being exposed on the external from the appearance.
As shown in Fig. 2, the athletic posture sensor chip pictorial diagram designed for the present invention.The athletic posture of the present embodiment passes
Sensor chip material object is in flat cube, and volume is 25 × 12 × 3.4mm3, packaging body is black high molecular material, and front is printed on
Trade mark, athletic posture sensor model number and coding.Pin is metal pressure-welding point, coated in substrate edges.Other parts are all wrapped up
In packaging body, when use, which faces up athletic posture sensor chip, to be horizontally placed on printed circuit board (PCB), using welding material
Material connects pin with the metal pressure-welding point on printed circuit board (PCB), realizes signal and energy source.
As shown in figure 3, the athletic posture sensor chip pin definitions figure designed for the present invention.The movement appearance of the present embodiment
State sensor chip is designed with 24 pins altogether, including communication interface, power interface, ground connection, indicator light interface, start-up mode,
Vacant (be grounded) pin, wherein upper left side is the 1st pin, and the order of pin is set by designer, and the position of the 1st pin can be
Chip bottom is marked, and is then arranged counterclockwise.1st pin is numeral 3.3V power supplys, and the 2nd pin is serial for USART
2 data sending of interface, the 3rd pin are 2 data receiver of USART serial line interfaces, the 4th, 5 pins be ground connection, the 6th pin is total for CAN
Line interface data receiver, the 7th pin are CAN interface data sending, and the 8th pin is numeral 3.3V power supplys, and the 9th pin is
LED light signal designation interface, the 10th pin are ground connection, and the 11st pin is BOOTO start-up mode interfaces, and the 12nd pin is numeral
3.3V power supplys, the 13rd pin are simulation 3.3V power supplys, and the 14th pin is 1 data sending of USART serial line interfaces, and the 15th pin is
1 data receiver of USART serial line interfaces, the 16th pin are ground connection, and the 17th pin selects for spi bus interface chip, and the 18th pin is SPI
Bus interface serial clock exports, and the 19th pin inputs for spi bus interface data, and the 20th pin is spi bus interface data
Output, the 21st pin are numeral 3.3V power supplys, and the 22nd pin is spi bus interface data answer signal, and 23 pin of pipe is ground connection,
24th pin is simulation 3.3V power supplys.
Claims (4)
- A kind of 1. athletic posture sensor chip, it is characterised in that：Including turn meter, accelerometer, magnetometer, microprocessor Device, Power Management Unit, substrate, bonding line, pin, packaging body；The turn meter, for monitoring moving object angular speed, can measure and export host X, Y, Z tri- to microprocessor Axial angular velocity data；The accelerometer, for monitoring moving object acceleration, can measure and export host X, Y, Z tri- to microprocessor Axial acceleration information；The magnetometer, for monitoring earth magnetic field and environmental magnetic field, can measure and export host X, Y, Z tri- to microprocessor A axial resultant field intensity data；The microprocessor, for Storage controlling program and algorithm, and angular speed to tri- axial directions of host X, Y, Z of acquisition, Acceleration, resultant field intensity carry out multidimensional data fusion, data filtering, amendment and compensation, and export attitude data；The Power Management Unit, for carrying out voltage and current distribution to the power supply of input motion attitude transducer chip；The substrate is printed circuit board (PCB), for carrying turn meter, accelerometer, magnetometer, microprocessor, power management list Member, carries out power Transmission, signal transmission and pin output；The bonding line is metal wire, for turn meter, accelerometer, magnetometer, microprocessor, Power Management Unit and base The lead welding of connection between plate, i.e. athletic posture sensor chip；The pin is wire or metal pressure-welding point, is welded or coated in substrate periphery, for athletic posture sensor chip With the signal interaction and electric power input of external devices；The packaging body is high molecular material, metal material or ceramic material, for wrapping up turn meter, accelerometer, magnetic force The elements such as meter, microprocessor, Power Management Unit, substrate, bonding line, prevent oxidation and water, dirt, conductive ion from entering, improve Protective and reliability.
- A kind of 2. athletic posture sensor chip, it is characterised in that：Communication interface defines on pin, including UART interface, USART interfaces, spi bus interface, CAN interface and I2At least one of C bus interface.
- 3. athletic posture sensor chip according to claim 1, it is characterised in that：The turn meter, acceleration Meter, magnetometer, microprocessor, Power Management Unit are nude film, i.e., IC wafers do not pass through after cutting is tested The chip of encapsulation.
- 4. athletic posture sensor chip according to claim 1, it is characterised in that：The posture of the microprocessor output Data be through resolving and processing host's attitude angle data, including course angle, pitch angle, roll angle, inclination angle, movement away from From, by fusion but the angular speed of undressed host's quaternion algebra evidence and original tri- axial directions of X, Y, Z of host, acceleration, Resultant field intensity A DC data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711402810.XA CN107990894A (en) | 2017-12-15 | 2017-12-15 | A kind of athletic posture sensor chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711402810.XA CN107990894A (en) | 2017-12-15 | 2017-12-15 | A kind of athletic posture sensor chip |
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| Publication Number | Publication Date |
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| CN107990894A true CN107990894A (en) | 2018-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711402810.XA Pending CN107990894A (en) | 2017-12-15 | 2017-12-15 | A kind of athletic posture sensor chip |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109673529A (en) * | 2018-12-24 | 2019-04-26 | 公安部南京警犬研究所 | Police dog gesture recognition data vest and gesture recognition method based on multisensor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103776448A (en) * | 2014-02-17 | 2014-05-07 | 刘超军 | Posture course reference system |
| US20140217566A1 (en) * | 2013-02-01 | 2014-08-07 | Analog Devices, Inc. | Double-sided package |
| CN104880190A (en) * | 2015-06-02 | 2015-09-02 | 无锡北微传感科技有限公司 | Intelligent chip for accelerating inertial navigation attitude fusion |
| CN104898826A (en) * | 2015-04-17 | 2015-09-09 | 杭州豚鼠科技有限公司 | Somatosensory control device |
| CN205066776U (en) * | 2015-09-30 | 2016-03-02 | 张锐 | Nine attitude sensor based on data fusion |
-
2017
- 2017-12-15 CN CN201711402810.XA patent/CN107990894A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140217566A1 (en) * | 2013-02-01 | 2014-08-07 | Analog Devices, Inc. | Double-sided package |
| CN103776448A (en) * | 2014-02-17 | 2014-05-07 | 刘超军 | Posture course reference system |
| CN104898826A (en) * | 2015-04-17 | 2015-09-09 | 杭州豚鼠科技有限公司 | Somatosensory control device |
| CN104880190A (en) * | 2015-06-02 | 2015-09-02 | 无锡北微传感科技有限公司 | Intelligent chip for accelerating inertial navigation attitude fusion |
| CN205066776U (en) * | 2015-09-30 | 2016-03-02 | 张锐 | Nine attitude sensor based on data fusion |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109673529A (en) * | 2018-12-24 | 2019-04-26 | 公安部南京警犬研究所 | Police dog gesture recognition data vest and gesture recognition method based on multisensor |
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Effective date of registration: 20220302 Address after: No. 260, Yingping Road, Ganjingzi District, Dalian City, Liaoning Province Applicant after: LIAONING POLICE College Address before: 116023 room 603, building 24, xingwenyuan, Shahekou District, Dalian City, Liaoning Province Applicant before: Lu Jun |
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Application publication date: 20180504 |