CN107551517B - A kind of intelligent tumble judgement system - Google Patents
A kind of intelligent tumble judgement system Download PDFInfo
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- CN107551517B CN107551517B CN201710861167.0A CN201710861167A CN107551517B CN 107551517 B CN107551517 B CN 107551517B CN 201710861167 A CN201710861167 A CN 201710861167A CN 107551517 B CN107551517 B CN 107551517B
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Abstract
The invention discloses a kind of intelligent tumble judgement systems, including emission system and receive system, emission system is connected with reception system by wireless module signal, emission system is installed on the user's body, reception system is mounted on ski machine device, and emission system includes the first CPU, battery, charging circuit, encryption chip, the first 2.4G transceiver module, the first address selection module, signal amplification module and sensor group；Reception system includes the 2nd CPU, power module, the second address selection module, the 2nd 2.4G transceiver module and relay; structure of the invention principle is simple; intelligence degree is high; the motion state of ski machine can effectively be acquired; once there is tumble phenomenon; ski machine stops immediately, and user is effectively protected；In addition, the signal amplification module strong antijamming capability used, improves the collecting efficiency of sensor signal, further improves the accuracy of judgement system.
Description
Technical field
The present invention relates to tumble discrimination technology field, specially a kind of intelligent tumble judgement system.
Background technique
Skiing (especially modern sports skiing) develops to now, and project is constantly increasing, and field is constantly extending,
The world's regular large project of competing is divided at present: alpine skiing, Northern Europe skiing (cross-country skiing, ski jumping), free skiing,
Biathlon skiing, snow upper slide skiing etc..Every sport more events of Focus again, whole nation match, in Winter Olympic Games tens pieces it is dazzling
Gold medal excitation people go to strive, go to share.Pure sports skiing has distinct competitiveness, special project, and correlated condition requirement is stringent,
Non- common people can have and adapt to.Travel and ski is the purpose for amusement, body-building, very light by artificial factors degree,
Men and women, old and young can easily, giocoso slide on snow pack, the full infinite enjoyment for enjoying skiing.Shy since alpine skiing has
Danger, it is graceful, freely, it is dynamic it is strong, glamour is big, may participate in wide feature, therefore alpine skiing is considered as the essence of skiing by people
China and symbol, the even more first choice and principal Item of travel and ski.Under normal conditions, the height of people's skiing skill level is assessed,
Mostly using alpine skiing as scale.
Ski machine intelligence degree in the prior art is low, falls down in user's use process, and ski machine will not stop automatically
Only, it be easy to cause user injured.
Summary of the invention
It is mentioned above in the background art to solve the purpose of the present invention is to provide a kind of intelligent tumble judgement system
Problem.
To achieve the above object, the invention provides the following technical scheme: a kind of intelligent tumble judgement system, including transmitting
System and reception system, the emission system are connected with reception system by wireless module signal, and the emission system is mounted on
With user, the reception system is mounted on ski machine device, and the emission system includes the first CPU, battery, charging electricity
Road, encryption chip, the first 2.4G transceiver module, the first address selection module, signal amplification module and sensor group；The reception
System includes the 2nd CPU, power module, the second address selection module, the 2nd 2.4G transceiver module and relay；
The charging circuit connects battery, and the battery is electrically connected the first CPU, and the first CPU is separately connected encryption
Chip, the first 2.4G transceiver module, the first address selection module, the sensor group pass through signal amplification module connection first
CPU；
2nd CPU is separately connected power module, the second address selection module, the 2nd 2.4G transceiver module and relay
Device；
Its application method the following steps are included:
A, reception system on the user's body by emission system installation, is mounted on skiing motor spindle, and with ski machine control
System connection processed；
B, user is during skiing, and sensor group acquires the information of toppling over of user in real time, and by the signal of acquisition
It is sent to the first CPU processing in real time；
If C, not occurring falling down situation, reception system does not receive information, then ski machine operates normally；
If D, collecting user falls down information, the first CPU sends the signal of acquisition by 2.4G radio receiving transmitting module
To the system of reception, system work is received, control instruction is sent to relay by the 2nd CPU, relay controls ski machine control
System disconnects control power supply, then ski machine stops running immediately.
Preferably, the signal amplification module includes operational amplifier, two-stage field-effect broad band amplifier, and the operation is put
One input terminal of big device is separately connected the one end resistance B and the one end capacitor B, capacitor B other end ground connection, resistance B other end difference
Connect the one end resistance A and the one end capacitor A, the capacitor A other end connects the output end of operational amplifier, operational amplifier it is another defeated
Enter end and be separately connected the one end resistance C and the one end resistance D, resistance C other end connection one end capacitor D is simultaneously grounded, the resistance D other end and
The output end of capacitor D other end connection operational amplifier；The output end of the two-stage field-effect broad band amplifier connects capacitor E mono-
End, the capacitor E other end connect the one end resistance F, and the resistance F other end connects the negative input of two-stage field-effect broad band amplifier,
The negative input of two-stage field-effect broad band amplifier is also connected with resistance G and is grounded, the anode of two-stage field-effect broad band amplifier
Input terminal connects the one end resistance E, and it further includes capacitor F, capacitor G, capacitor H that the resistance E other end, which connects operational amplifier output terminal,
The one end capacitor F, the one end capacitor G, the one end capacitor H connect power end, the capacitor F other end, the capacitor G other end, the capacitor H other end respectively
It is grounded.
Preferably, the sensor group includes inclination angle accelerometer, ball sensor and inclinator.
Preferably, the encryption chip includes Electrically Erasable Programmable Read-Only Memory EEPROM, cipher key register, random number
Register and key stream generator；The Electrically Erasable Programmable Read-Only Memory EEPROM is connected with the cipher key register,
The cipher key register and random number register are connected with the key stream generator.
Preferably, the first 2.4G transceiver module, the 2nd 2.4G transceiver module are all made of the 2.4G of model HS6200
Radio transmitting and receiving chip.
Preferably, the first CPU, the 2nd CPU model are E78890V4.
Compared with prior art, the beneficial effects of the present invention are: structure of the invention principle is simple, intelligence degree is high, energy
The motion state of enough effective acquisition ski machines, once there is tumble phenomenon, ski machine stops immediately, and use is effectively protected
Person；In addition, the signal amplification module strong antijamming capability used, is quick on the draw, realization is amplified and is lost to small-signal
It really spends low, improves the collecting efficiency of sensor signal, further improve the accuracy of judgement system.
Detailed description of the invention
Fig. 1 is principle of the invention figure；
Fig. 2 is signal amplification module schematic diagram of the present invention；
Fig. 3 is encryption chip structural schematic diagram of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-3 is please referred to, the present invention provides a kind of technical solution: a kind of intelligent tumble judgement system, including transmitting system
System 1 and reception system 2, the emission system 1 are connected with reception system 2 by wireless module signal, and the emission system 1 is installed
On the user's body, the reception system 2 is mounted on ski machine device, the emission system 1 include the first CPU3, battery 4,
Charging circuit 5, encryption chip 6, the first 2.4G transceiver module 7, the first address selection module 8, signal amplification module 9 and sensor
Group；The reception system 2 includes the 2nd CPU10, power module 11, the second address selection module 12, the 2nd 2.4G transceiver module
13 and relay 14；
The charging circuit 5 connects battery 4, and the battery 4 is electrically connected the first CPU3, and the first CPU3 is separately connected
Encryption chip 6, the first 2.4G transceiver module 7, the first address selection module 8, the sensor group are connected by signal amplification module 9
Meet the first CPU3；
2nd CPU10 is separately connected power module 11, the second address selection module 12, the 2nd 2.4G transceiver module 13
With relay 14.
Wherein, sensor group includes inclination angle accelerometer 17, ball sensor 18 and inclinator 19；First 2.4G transceiver module
7, the 2nd 2.4G transceiver module 13 is all made of the 2.4G radio transmitting and receiving chip of model HS6200；First CPU3, the 2nd CPU10 type
It number is E78890V4.
Application method the following steps are included:
A, reception system on the user's body by emission system installation, is mounted on skiing motor spindle, and with ski machine control
System connection processed；
B, user is during skiing, and sensor group acquires the information of toppling over of user in real time, and by the signal of acquisition
It is sent to the first CPU processing in real time；
If C, not occurring falling down situation, reception system does not receive information, then ski machine operates normally；
If D, collecting user falls down information, the first CPU sends the signal of acquisition by 2.4G radio receiving transmitting module
To the system of reception, system work is received, control instruction is sent to relay by the 2nd CPU, relay controls ski machine control
System disconnects control power supply, then ski machine stops running immediately.
In the present invention, signal amplification module 9 includes operational amplifier 15, two-stage field-effect broad band amplifier 16, the fortune
An input terminal for calculating amplifier 15 is separately connected resistance one end B 2a and the one end capacitor B 2b, and the capacitor B 2b other end is grounded,
The resistance B 2a other end is separately connected resistance one end A 1a and the one end capacitor A1b, and the capacitor A 1b other end connects operational amplifier
15 output end, another input terminal of operational amplifier 15 are separately connected resistance one end C 3a and the one end resistance D 4a, resistance C
3a other end connection one end capacitor D4b is simultaneously grounded, and the resistance D 4a other end connects operational amplifier 15 with the capacitor D4b other end
Output end；The output end of the two-stage field-effect broad band amplifier 16 connects the one end capacitor E 5b, the connection of the capacitor E 5b other end
The one end resistance F 6a, the resistance F 6a other end connect the negative input of two-stage field-effect broad band amplifier 16, two-stage field-effect
The negative input of broad band amplifier 16 is also connected with resistance G7a and is grounded, the anode input of two-stage field-effect broad band amplifier 16
End connection one end resistance E5a, it further includes capacitor F 6b, capacitor G that the resistance E5a other end, which connects 15 output end of operational amplifier,
7b, capacitor H 8b, the one end capacitor F 6b, the one end capacitor G 7b, the one end capacitor H 8b connect power end respectively, and capacitor F 6b is another
End, the capacitor G7b other end, the capacitor H 8b other end are grounded.Operational amplifier 15 handles signal, guarantees transmission signal
Quality, and by feedback principle by signal message amplify 2 times, then pass to subsequent two-stage field-effect broad band amplifier again
16 carry out secondary amplification to signal again, finally again export signal.The signal amplification module anti-interference ability that the present invention uses
By force, it being quick on the draw, realization is amplified to small-signal and the distortion factor is low, the collecting efficiency of sensor signal is improved, into
One step improves the accuracy of judgement system.
In addition, encryption chip 6 includes Electrically Erasable Programmable Read-Only Memory EEPROM20, cipher key register in the present invention
21, random number register 22 and key stream generator 23；The Electrically Erasable Programmable Read-Only Memory EEPROM20 with it is described close
Key register 21 is connected, and the cipher key register 21 and random number register 22 are connected with the key stream generator 23
It connects.When encryption function is chosen, the pin RESET of cipher key register, random number register and key stream generator becomes high
Level, basic key is read out to cipher key register from Electrically Erasable Programmable Read-Only Memory EEPROM by cipher key register, close
Basic key is injected into each shift register of key stream generator by key register；Key stream generator is deposited from random number
Device obtains random number plain text, and exports after generating ciphertext according to random number and basic key.
In conclusion structure of the invention principle is simple, intelligence degree is high, can effectively acquire the movement shape of ski machine
State, once there is tumble phenomenon, ski machine stops immediately, and user is effectively protected；In addition, the signal amplification module used is anti-
Interference performance is strong, improves the collecting efficiency of sensor signal, further improves the accuracy of judgement system.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of intelligent tumble judgement system, including emission system (1) and reception system (2), it is characterised in that: the transmitting
System (1) is connected with reception system (2) by wireless module signal, and emission system (1) installation is on the user's body, described
Reception system (2) is mounted on ski machine device, and the emission system (1) includes the first CPU (3), battery (4), charging circuit
(5), encryption chip (6), the first 2.4G transceiver module (7), the first address selection module (8), signal amplification module (9) and sensing
Device group；The reception system (2) includes the 2nd CPU (10), power module (11), the second address selection module (12), second
2.4G transceiver module (13) and relay (14)；
The charging circuit (5) connects battery (4), and the battery (4) is electrically connected the first CPU (3), the first CPU (3) point
Not Lian Jie encryption chip (6), the first 2.4G transceiver module (7), the first address selection module (8), the sensor group passes through letter
Number amplification module (9) connects the first CPU (3)；
2nd CPU (10) is separately connected power module (11), the second address selection module (12), the 2nd 2.4G transceiver module
(13) and relay (14)；
Its application method the following steps are included:
A, reception system on the user's body by emission system installation, is mounted on skiing motor spindle, and is controlled with ski machine and is
System connection；
B, for user during skiing, sensor group acquires the information of toppling over of user in real time, and the signal of acquisition is real-time
It is sent to the first CPU processing；
If C, not occurring falling down situation, reception system does not receive information, then ski machine operates normally；
If D, collecting user falls down information, the signal of acquisition is sent to by the first CPU by 2.4G radio receiving transmitting module to be connect
Receipts system receives system work, sends control instruction to relay by the 2nd CPU, and relay controls skiing machine control system,
Control power supply is disconnected, then ski machine stops running immediately.
2. a kind of intelligent tumble judgement system according to claim 1, it is characterised in that: the signal amplification module
It (9) include operational amplifier (15), two-stage field-effect broad band amplifier (16), an input terminal of the operational amplifier (15)
It is separately connected the one end (2a) resistance B and the one end capacitor B (2b), capacitor B (2b) other end ground connection, resistance B (2a) other end difference
The one end (1a) resistance A and the one end capacitor A (1b) are connected, capacitor A (1b) other end connects the output end of operational amplifier (15), fortune
Another input terminal for calculating amplifier (15) is separately connected the one end (3a) resistance C and the one end resistance D (4a), resistance C (3a) other end
Connection one end (4b) capacitor D is simultaneously grounded, and resistance D (4a) other end connects operational amplifier (15) with capacitor D (4b) other end
Output end；The output end of the two-stage field-effect broad band amplifier (16) connects the one end capacitor E (5b), capacitor E (5b) other end
Connection one end resistance F (6a), the negative input of resistance F (6a) other end connection two-stage field-effect broad band amplifier (16), two
The negative input of grade field-effect broad band amplifier (16) is also connected with resistance G (7a) and is grounded, two-stage field-effect broad band amplifier
(16) electrode input end connects the one end resistance E (5a), and resistance E (5a) other end connects operational amplifier (15) output end, also
Including capacitor F (6b), capacitor G (7b), capacitor H (8b), the one end capacitor F (6b), the one end capacitor G (7b), one end (8b) capacitor H point
Power end is not connect, and capacitor F (6b) other end, capacitor G (7b) other end, capacitor H (8b) other end are grounded.
3. a kind of intelligent tumble judgement system according to claim 1, it is characterised in that: the sensor group includes inclining
Angular accelerometer (17), ball sensor (18) and inclinator (19).
4. a kind of intelligent tumble judgement system according to claim 1, it is characterised in that: encryption chip (6) packet
It is raw to include Electrically Erasable Programmable Read-Only Memory EEPROM (20), cipher key register (21), random number register (22) and key stream
It grows up to be a useful person (23)；The Electrically Erasable Programmable Read-Only Memory EEPROM (20) is connected with the cipher key register (21), described
Cipher key register (21) and random number register (22) are connected with the key stream generator (23).
5. a kind of intelligent tumble judgement system according to claim 1, it is characterised in that: the first 2.4G receives and dispatches mould
Block (7), the 2nd 2.4G transceiver module (13) are all made of the 2.4G radio transmitting and receiving chip of model HS6200.
6. a kind of intelligent tumble judgement system according to claim 1, it is characterised in that: the first CPU (3),
Two CPU (10) model is E78890V4.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710861167.0A CN107551517B (en) | 2017-09-21 | 2017-09-21 | A kind of intelligent tumble judgement system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710861167.0A CN107551517B (en) | 2017-09-21 | 2017-09-21 | A kind of intelligent tumble judgement system |
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| CN107551517A CN107551517A (en) | 2018-01-09 |
| CN107551517B true CN107551517B (en) | 2019-02-15 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202650197U (en) * | 2012-07-09 | 2013-01-02 | 台州学院 | Fall prevention apparatus |
| KR101764423B1 (en) * | 2012-11-23 | 2017-08-02 | 강두환 | Curve Track Device |
| CN103926027B (en) * | 2014-04-08 | 2016-05-11 | 浙江理工大学 | A kind of fall protection system and method thereof based on PVDF |
| CN206167843U (en) * | 2016-08-31 | 2017-05-17 | 王烁 | Safe ski machine |
| CN106600901A (en) * | 2016-12-23 | 2017-04-26 | 平顶山学院 | Old-age care intelligent alarm system based on human body fall detection technology |
| CN106693342B (en) * | 2017-01-09 | 2019-01-11 | 雪梦都（北京）体育文化有限公司 | A kind of ski machine and its system with safety lock remote control |
| CN107123239A (en) * | 2017-05-10 | 2017-09-01 | 杭州伯仲信息科技有限公司 | A kind of intelligent shoe fall detection system and method |
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