CN203786666U - Hand motion signal acquisition and transmission system - Google Patents
Hand motion signal acquisition and transmission system Download PDFInfo
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- CN203786666U CN203786666U CN201420061601.9U CN201420061601U CN203786666U CN 203786666 U CN203786666 U CN 203786666U CN 201420061601 U CN201420061601 U CN 201420061601U CN 203786666 U CN203786666 U CN 203786666U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 17
- 238000007781 pre-processing Methods 0.000 claims abstract description 11
- 238000012545 processing Methods 0.000 abstract description 6
- 239000003990 capacitor Substances 0.000 abstract description 4
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 206010010356 Congenital anomaly Diseases 0.000 description 1
- 208000011092 Hand injury Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 206010057178 Osteoarthropathies Diseases 0.000 description 1
- 206010052428 Wound Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004064 dysfunction Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000036244 malformation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a hand motion signal acquisition transmission system, including data gloves, signal preprocessing circuit, DSP chip, first wireless module, second wireless module and the RS232 interface of installing a plurality of sensors, each sensor is connected signal preprocessing circuit, the DSP chip is connected signal preprocessing circuit, DSP chip, first wireless module and RS232 interface respectively, first wireless module and second wireless module wireless connection; the signal preprocessing circuit comprises a first operational amplifier, a second operational amplifier, a third operational amplifier, a fourth operational amplifier, a fifth operational amplifier, a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a capacitor and an A/D converter. The utility model discloses low cost, simple structure can carry out high quality processing to the hand motion signal to transmit and change the signal distortedly.
Description
Technical field
The utility model relates to the communications field, relates in particular to a kind of hand exercise signals collecting transmission system.
Background technology
Hand is understanding objective world, a kind of vitals with extraneous contacts.In daily life, work, how will frequently use hand, thereby hand is injured inevitable.According to statistics, hand injury accounts for 2/3 of hand disease, and all the other diseases of hand are deformity or dysfunction after various wounds, congenital malformation, tumour, osteoarthropathy etc.The hand surgical patients Duo Shi main labour of family and family's Main Economic source, this is to patient and quality of life from now on thereof, and social economy causes very large loss.The interactive device of a kind of virtual reality system of data glove, data glove can be followed the tracks of the flexible and changeable gesture of operator, measure in real time the variation of each joint angles of human hands, it is the effective tool that obtains user's hand attitude information, as shown in Figure 1, gather hand exercise signal by the sensor 11 in data glove 1, and to these hand exercise signals accurate, expensive treating apparatus of general outfit at present, to obtain high-quality processing, although or the treating apparatus cost being equipped with is lower, but its signal handling property is bad, and error is very large.Therefore, this becomes those skilled in the art's problem demanding prompt solution.
Summary of the invention
The purpose of this utility model is to provide a kind of hand exercise signals collecting transmission system with low cost, simple in structure, can carry out high-quality processing to hand motor message, transmits without distortion and switching signal.
The technical scheme that realizes above-mentioned purpose is:
A kind of hand exercise signals collecting transmission system, comprise the data glove that some sensors are installed, described each sensor gathers hand exercise signal, also comprise signal pre-processing circuit, DSP(digital signal processing) chip, the first wireless module, the second wireless module and RS232 interface, wherein:
Described signal pre-processing circuit comprises the first operational amplifier, the second operational amplifier, the 3rd operational amplifier, four-operational amplifier, the 5th operational amplifier, the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, electric capacity and A/D(mould/number) converter, wherein:
The in-phase input end of the in-phase input end of described the first operational amplifier and the second operational amplifier receives described hand exercise signal;
The inverting input of described the first operational amplifier connects its output terminal, and output terminal connects the in-phase input end of described the 3rd operational amplifier;
The inverting input of described the second operational amplifier connects its output terminal, and output terminal connects the in-phase input end of described four-operational amplifier;
Described the 3rd inverting input of operational amplifier and the inverting input of described four-operational amplifier join;
The output terminal of described the 3rd operational amplifier connects the in-phase input end of described the 5th operational amplifier by described the first resistance;
The output terminal of described four-operational amplifier connects the inverting input of described the 5th operational amplifier by described the second resistance;
The in-phase input end of described the 5th operational amplifier connects its output terminal by described the 3rd resistance, and output terminal connects the input end of described A/D converter by described the 5th resistance, and inverting input is by described the 4th resistance eutral grounding;
Described electric capacity one end connects the input end of described A/D converter, other end ground connection;
The output terminal of described A/D converter connects described dsp chip, and dsp chip connects respectively described the first wireless module and RS232 interface;
Described the first wireless module and the second wireless module wireless connections.
In above-mentioned hand exercise signals collecting transmission system, also comprise the Ethernet interface that connects described dsp chip.
In above-mentioned hand exercise signals collecting transmission system, described sensor is resistance-type bend sensor.
In above-mentioned hand exercise signals collecting transmission system, described the first wireless module and the second wireless module are GPRS(general packet radio service technology) module.
The beneficial effects of the utility model are: the utility model is by simple electric component modelled signal treatment circuit, coordinating the miscellaneous parts such as dsp chip to realize gathers and transmission hand motor message, simple in structure, with low cost, hand motor message is carried out to high-quality processing, transmit without distortion and change hand exercise signal, and can transfer out by wireless, Ethernet and three kinds of modes of RS232 interface.
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Brief description of the drawings
Fig. 1 is the stereographic map of data glove in prior art;
Fig. 2 is the structural drawing of hand exercise signals collecting transmission system of the present utility model;
Fig. 3 is the circuit diagram of signal pre-processing circuit in the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Refer to Fig. 2 and Fig. 3, hand exercise signals collecting transmission system of the present utility model, comprise data glove 1, signal pre-processing circuit 2, dsp chip 3, the first wireless module 4, the second wireless module 5, RS232 interface 6 and Ethernet interface 7 that some sensors 11 are installed, wherein:
Each sensor 11 gathers hand exercise signal, and this hand exercise signal is actual is a voltage differential signal; In the present embodiment, sensor 11 is resistance-type bend sensor;
Signal pre-processing circuit 2 comprises the first operational amplifier A 1, the second operational amplifier A 2, the 3rd operational amplifier A 3, four-operational amplifier A4, the 5th operational amplifier A 5, the first resistance R 1, the second resistance R 2, the 3rd resistance R 3, the 4th resistance R 4, the 5th resistance R 5, capacitor C and A/D converter 21, wherein:
The in-phase input end of the in-phase input end of the first operational amplifier A 1 and the second operational amplifier A 2 receives hand exercise signal (voltage difference);
The inverting input of the first operational amplifier A 1 connects its output terminal, and output terminal connects the in-phase input end of the 3rd operational amplifier A 3;
The inverting input of the second operational amplifier A 2 connects its output terminal, and output terminal connects the in-phase input end of four-operational amplifier A4;
The 3rd inverting input of operational amplifier A 3 and the inverting input of four-operational amplifier A4 join;
The output terminal of the 3rd operational amplifier A 3 connects the in-phase input end of the 5th operational amplifier A 5 by the first resistance R 1;
The output terminal of four-operational amplifier A4 connects the inverting input of the 5th operational amplifier A 5 by the second resistance R 2;
The in-phase input end of the 5th operational amplifier A 5 connects its output terminal by the 3rd resistance R 3, and output terminal connects the input end of A/D converter 21 by the 5th resistance R 5, and inverting input is by the 4th resistance R 4 ground connection;
Capacitor C one end connects the input end of A/D converter 21, other end ground connection;
The output terminal of A/D converter 21 connects dsp chip 3, and dsp chip 3 connects respectively the first wireless module 4, RS232 interface 6 and Ethernet interface 7;
The first wireless module 4 and the second wireless module 5 wireless connections, in the present embodiment, are GPRS module.
The second wireless module 5, RS232 interface 6 and Ethernet interface 7 can be connected host computer by mode separately.
To sum up, the first operational amplifier A 1 and the second operational amplifier A 2 form amplifying circuit, the voltage difference receiving is amplified, the 3rd operational amplifier A 3, four-operational amplifier A4, the first resistance R 1 and the second resistance R 2 form voltage follower circuit, the 5th operational amplifier A 5, the 3rd resistance R 3 and the 4th resistance R 4 form differential circuit, the 5th resistance R 5 and capacitor C form filtering circuit, A/D converter 21 is for being converted into digital signal by simulating signal, the digital signal receiving is passed through the first wireless module 4 by dsp chip 3, RS232 interface 6 or Ethernet interface 7 transfer out, wherein, wireless transmission between the first wireless module 4 and the second wireless module 5.Therefore, the utility model is simple in structure, with low cost, and hand motor message is carried out to high-quality processing, can transmit without distortion and change hand exercise signal.
Above embodiment is only for illustration of the utility model, but not to restriction of the present utility model, person skilled in the relevant technique, in the situation that not departing from spirit and scope of the present utility model, can also make various conversion or modification, therefore all technical schemes that are equal to also should belong to category of the present utility model, should be limited by each claim.
Claims (4)
1. a hand exercise signals collecting transmission system, comprise the data glove that some sensors are installed, described each sensor gathers hand exercise signal, it is characterized in that, also comprise signal pre-processing circuit, dsp chip, the first wireless module, the second wireless module and RS232 interface, wherein:
Described signal pre-processing circuit comprises the first operational amplifier, the second operational amplifier, the 3rd operational amplifier, four-operational amplifier, the 5th operational amplifier, the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, electric capacity and A/D converter, wherein:
The in-phase input end of the in-phase input end of described the first operational amplifier and the second operational amplifier receives described hand exercise signal;
The inverting input of described the first operational amplifier connects its output terminal, and output terminal connects the in-phase input end of described the 3rd operational amplifier;
The inverting input of described the second operational amplifier connects its output terminal, and output terminal connects the in-phase input end of described four-operational amplifier;
Described the 3rd inverting input of operational amplifier and the inverting input of described four-operational amplifier join;
The output terminal of described the 3rd operational amplifier connects the in-phase input end of described the 5th operational amplifier by described the first resistance;
The output terminal of described four-operational amplifier connects the inverting input of described the 5th operational amplifier by described the second resistance;
The in-phase input end of described the 5th operational amplifier connects its output terminal by described the 3rd resistance, and output terminal connects the input end of described A/D converter by described the 5th resistance, and inverting input is by described the 4th resistance eutral grounding;
Described electric capacity one end connects the input end of described A/D converter, other end ground connection;
The output terminal of described A/D converter connects described dsp chip, and dsp chip connects respectively described the first wireless module and RS232 interface;
Described the first wireless module and the second wireless module wireless connections.
2. hand exercise signals collecting transmission system according to claim 1, is characterized in that, also comprises the Ethernet interface that connects described dsp chip.
3. hand exercise signals collecting transmission system according to claim 1, is characterized in that, described sensor is resistance-type bend sensor.
4. hand exercise signals collecting transmission system according to claim 1, is characterized in that, described the first wireless module and the second wireless module are GPRS module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420061601.9U CN203786666U (en) | 2014-02-11 | 2014-02-11 | Hand motion signal acquisition and transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420061601.9U CN203786666U (en) | 2014-02-11 | 2014-02-11 | Hand motion signal acquisition and transmission system |
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| Publication Number | Publication Date |
|---|---|
| CN203786666U true CN203786666U (en) | 2014-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420061601.9U Expired - Fee Related CN203786666U (en) | 2014-02-11 | 2014-02-11 | Hand motion signal acquisition and transmission system |
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| CN (1) | CN203786666U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106096591A (en) * | 2016-07-20 | 2016-11-09 | 四川东鼎里智信息技术有限责任公司 | Hand exercise signal acquiring system based on flexible circuit |
-
2014
- 2014-02-11 CN CN201420061601.9U patent/CN203786666U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106096591A (en) * | 2016-07-20 | 2016-11-09 | 四川东鼎里智信息技术有限责任公司 | Hand exercise signal acquiring system based on flexible circuit |
| CN106096591B (en) * | 2016-07-20 | 2019-04-16 | 四川东鼎里智信息技术有限责任公司 | Hand exercise signal acquiring system based on flexible circuit |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140820 Termination date: 20150211 |
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| EXPY | Termination of patent right or utility model |