CN205107687U - A pressure sensor , wearable equipment and system for gait information acquisition - Google Patents
A pressure sensor , wearable equipment and system for gait information acquisition Download PDFInfo
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- CN205107687U CN205107687U CN201520876067.1U CN201520876067U CN205107687U CN 205107687 U CN205107687 U CN 205107687U CN 201520876067 U CN201520876067 U CN 201520876067U CN 205107687 U CN205107687 U CN 205107687U
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- pressure transducer
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
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Abstract
The utility model discloses a pressure sensor, wearable equipment and system for gait information acquisition. Pressure sensor includes upper strata and lower floor, the upper strata with the lower floor is the flexible parent metal, the printing has the sensitive layer on the flexible parent metal, the upper strata the sensitive layer with the sensitive layer of lower floor constitutes latticed measurement circuit, each node of latticed measurement circuit is provided with the sensitive point of pressure, network form measurement circuit's output is provided with the output line. The utility model provides a pressure sensor for gait information acquisition, including upper strata and lower floor, the upper strata with the lower floor all adopts the flexible parent metal, can carry the life of high pressure sensor, has good tensile properties, compliance and antistatic properties when using, can adapt to more occasions.
Description
Technical field
This utility model relates to signal detection technique field, particularly relates to a kind of pressure transducer for gait information gathering, wearable device and system.
Background technology
In sports and scientific research, biomechanics engineering and medical rehabilitation field, when frequent needs accurately know human body walking or motion, the contact condition on the active force between Human Sole and ground, vola and ground, the distribution situation of vola pressure, to obtaining the scientific basis of sports and scientific research, athletic training guidance, medical research, residual body rehabilitation training guidance.Therefore, the pressure distribution measurement in gait information gathering is the steps necessary realizing above-mentioned research or guidance.Carrying out in pressure distribution measurement process, pressure transducer can be divided into pressure footprints, resistance-type, condenser type, hall effect type etc.At present conventional based on resistance-type and condenser type.But, the advantage of the capacitance pressure transducer, existed in existing market be soft, durable, precision is higher; Shortcoming is thicker, can affect the accuracy of the surface pressure force value that will measure like this.Resistive pressure sensor adopts hard substrate usually, and use occasion is limited, and the life-span of its sensor is shorter, no matter whether uses, and every half a year need change primary transducer by 1 year.
Based on this, need to design a kind of pressure transducer for gait information gathering, wearable device and system, make it have higher flexibility, adapt to more occasion.
Utility model content
Main purpose of the present utility model is to provide a kind of pressure transducer for gait information gathering, wearable device and system, makes it have higher flexibility, adapts to more occasion.
For achieving the above object, this utility model provides a kind of pressure transducer for gait information gathering, described pressure transducer comprises the upper and lower, described upper strata and described lower floor are flexible parent metal, described flexible parent metal is printed with sensitive layer, the sensitive layer on described upper strata and the sensitive layer of described lower floor form latticed measuring circuit, and each Nodes of described latticed measuring circuit is provided with presser sensor point, and the outfan of described network-like measuring circuit is provided with output lead.
Preferably, the shape of described pressure transducer is arranged according to Human Sole shape, and described presser sensor point is arranged at the region that pressure is born in human body vola in motor process.
Preferably, described flexible parent metal is high temperature resistance polyester thin film.
Preferably, described sensitive layer is printed with silver slurry conductor and presser sensor slurry, and the presser sensor slurry of the presser sensor slurry of the sensitive layer on described upper strata and the sensitive layer of described lower floor is mutually involutory one by one.
Another aspect of the present utility model provides a kind of wearable device, described wearable device comprises the above-mentioned pressure transducer dressed body and be arranged on described wearing body, and this wearable device also comprises signal conversion module, micro-control module, communication module and power module; Wherein:
Described pressure transducer, is electrically connected with described signal conversion module, for gathering the pressure signal of Human Sole;
Described signal conversion module, is electrically connected with described micro-control module, for carrying out filter and amplification and analog digital conversion to described pressure signal, and exports the digital pressure signal after conversion to described micro-control module;
Described micro-control module, is electrically connected with described communication module, for extracting and in analysing gait information from described digital pressure signal, and sends described gait information to described communication module;
Described communication module, for being sent to intelligent terminal by described gait information;
Described power module, is electrically connected with described pressure transducer, signal conversion module, micro-control module and communication module respectively, for providing power supply for described pressure transducer, signal conversion module, micro-control module and communication module.
Preferably, described wearing body is footwear, on the integrated wearing body being arranged at human foot contact of described pressure transducer, signal conversion module, micro-control module, communication module and power module.
Preferably, described power module comprises rechargeable battery and Power Management Unit, and described Power Management Unit powers on for described wearable device provides, power-off and battery electric quantity detect.
One side more of the present utility model provides a kind of system, described system comprises intelligent terminal and above-mentioned wearable device, described intelligent terminal is connected by network with described wearable device, described wearable device gathers body gait information and sends described body gait information to described intelligent terminal, and described intelligent terminal shows body gait information.
Compared to prior art, the pressure transducer for gait information gathering that this utility model provides, comprise the upper and lower, described upper strata and described lower floor all adopt flexible parent metal, the service life of pressure transducer can be improved, there is good draftability, flexibility and antistatic behaviour in use, more occasion can be adapted to.Described flexible parent metal is printed with sensitive layer, and described sensitive layer is printed with silver slurry conductor and presser sensor slurry, can improve the electric conductivity of pressure sensor circuit, acquisition precision and circuit level.Each Nodes of described latticed measuring circuit is provided with presser sensor point, gathers corresponding force value when described presser sensor point produces pressure, improves the accuracy that pressure information gathers.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model for the preferred embodiment of the pressure transducer of gait information gathering;
Fig. 2 is the structural representation of this utility model for the preferred embodiment of the wearable device of gait information gathering;
Fig. 3 is the preferred embodiment structural representation of this utility model gait information acquisition system.
The realization of this utility model object, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Detailed description of the invention
For further setting forth this utility model for the technological means reaching above-mentioned purpose and take and effect, below in conjunction with accompanying drawing and preferred embodiment, detailed description of the invention of the present utility model, structure, feature and effect thereof are described in detail.Should be appreciated that specific embodiment described herein only in order to explain this utility model, and be not used in restriction this utility model.
Reference Fig. 1, Fig. 1 are the structural representation of this utility model for the pressure transducer preferred embodiment of gait information gathering.
In the present embodiment, described pressure transducer 01 comprises upper strata 10 and lower floor 11, it should be noted that, Fig. 1 at the middle and upper levels 10 and lower floor 11 shape only for describe and illustrate that described pressure transducer 01 has double-layer structure, its shape can be arranged according to embody rule occasion and field of load.Described upper strata 10 and described lower floor 11 are flexible parent metal, preferably, described flexible parent metal is high temperature resistance polyester thin film (PET), mylar take polyethylene terephthalate as raw material, extrusion molding is adopted to make sheet, again through thin-film material that biaxial tension is made, it is high that biaxially oriented polyester film has intensity, good rigidly, transparent, glossiness high, there is fabulous wearability, folding resistance, pinhole resistance, tear resistance and antistatic behaviour etc., be used in the service life can improving pressure transducer in this programme, there is good draftability in use, flexibility and antistatic behaviour, more occasion can be adapted to.Described flexible parent metal is printed with sensitive layer 12; It should be noted that, in Fig. 1, the shape of sensitive layer 12 is only arranged in described upper strata 10 and lower floor 11 for illustration of described sensitive layer 12.Preferably, described sensitive layer 12 is printed with silver slurry conductor 121 and presser sensor slurry 122, the slurry conductor 121 of silver described in Fig. 1 and presser sensor slurry 122 only have electrical connection for illustration of between described silver slurry conductor 121 and described presser sensor slurry 122, and the quantity that described silver slurry conductor 121 and described presser sensor slurry 122 are arranged and position do not limit.Particularly, the piezoresistance in pressure transducer 01 circuit adopts presser sensor slurry 122, and the wire in pressure transducer 01 circuit adopts silver slurry conductor.Silver starches the thick slurry of a kind of mechanical mixture be made up of the microgranule of highly purified (99.9%) argent, binding agent, solvent, auxiliary agent, in this programme, adopt silver slurry conductor 121 can improve the electric conductivity of pressure transducer 01 circuit, adopt presser sensor slurry 122 can improve acquisition precision and the circuit level of pressure transducer 01.The presser sensor slurry 122 of the sensitive layer 12 on described upper strata 10 is mutually involutory one by one with the presser sensor slurry 122 of the sensitive layer 12 of described lower floor 11.Wherein, the sensitive layer 12 on described upper strata 10 and the sensitive layer 12 of described lower floor 11 form latticed measuring circuit, each Nodes of described latticed measuring circuit is provided with presser sensor point, understandably, presser sensor slurry 122 is set at described presser sensor point place, for gathering corresponding force value when described presser sensor point produces pressure.The outfan of described network-like measuring circuit is provided with output lead 13, for the pressure information of the Human Sole collected is transferred to treatment facility, described output lead 13 can be arranged at upper strata 10, drawn (being arranged at upper strata 10 as shown in Figure 1) by some presser sensor slurries 122, also can be arranged at lower floor 11.Preferably, the shape of described pressure transducer 01 can be arranged according to Human Sole shape, described presser sensor point is arranged at the region that pressure is born in human body vola in motor process, when human motion, the pressure signal produced at presser sensor point is gathered by pressure transducer 01, to obtain the pressure information that human body vola in motor process is born exactly, improve the accuracy that pressure information gathers.
Another aspect of the present utility model provides a kind of wearable device, is the structural representation of this utility model for the preferred embodiment of the wearable device of gait information gathering with reference to Fig. 2, Fig. 2.
In the present embodiment, described wearable device 2 comprises pressure transducer 01, signal conversion module 02, micro-control module 03, communication module 04 and the power module 05 dressing body (not shown) and be arranged on described wearing body; Described pressure transducer 01 adopts the pressure transducer 01 in preferred embodiment shown in Fig. 1.Wearing body in the present embodiment is preferably footwear, is arranged at the place (position that such as sole face contacts with foot) of dressing body and contacting with human foot by integrated to described pressure transducer 01, signal conversion module 02, micro-control module 03, communication module 04 and power module 05.Particularly, pressure transducer 01 can be made the shape of shoe pad, or be integrated on sole.
Described pressure transducer 01, is electrically connected with described signal conversion module 02, for gathering the pressure signal of Human Sole; Particularly, when human motion, human foot and produce pressure between the pressure transducer 01 of sole, described pressure transducer 01 gathers the pressure signal of Human Sole, and by the output lead of pressure transducer 01, the pressure signal of collection is transferred to described signal conversion module 02.
Described signal conversion module 02, is electrically connected with described micro-control module 03, for carrying out filter and amplification and analog digital conversion to described pressure signal, and exports the digital pressure signal after conversion to described micro-control module 03; Described signal conversion module 02 adopts filter and amplification of the prior art and AD conversion unit to realize, the pressure signal of the different pressures sensitive spot collected is carried out filter and amplification and analog digital conversion, export the digital signal that can process for control module 03, realize details and be not repeated herein.
Described micro-control module 03, is electrically connected with described communication module 04, for extracting and in analysing gait information from described digital pressure signal, and sends described gait information to described communication module 04.Described micro-control module 03 can adopt existing single-chip microcomputer, DSP or other there is the processor of digital signal acquiring and processing capacity, for realizing extraction and the analysis of gait information, the extraction of gait information and analytical method can adopt in prior art the extraction of cadence, step number and movement time and analytical method.Described micro-control module 03 complete gait information extraction and analyze after, described gait information is sent to communication module 04.
Described communication module 04, for described gait information is sent to intelligent terminal, checks for user; Described communication module 04 can adopt the wireless communication module with long-distance radio communication function, such as, support the communication module of the mechanicss of communication such as GSM, GPRS, WCDMA, CDMA, TD-SCDMA and WiMAX.
Described power module 05, be electrically connected with described pressure transducer 01, signal conversion module 02, micro-control module 03 and communication module 04 respectively, for providing power supply for described pressure transducer 01, signal conversion module 02, micro-control module 03 and communication module 04.Preferably, described power module 05 comprises rechargeable battery 051 and Power Management Unit 052, and described Power Management Unit 052 powers on for described wearable device provides, power-off and battery electric quantity detect.
One side more of the present utility model provides a kind of system, with reference to Fig. 3, Fig. 3 is the preferred embodiment structural representation of this utility model gait information acquisition system, described system comprises intelligent terminal 1 and above-mentioned wearable device 2, described intelligent terminal 1 is connected by network 3 with described wearable device 2, described network 3 can adopt in prior art can the arbitrary wireless network of transmission of digital signals, described wearable device 2 gathers body gait information and sends described body gait information to described intelligent terminal 2, and described intelligent terminal 2 shows body gait information.In other embodiments, described intelligent terminal 2 is connected with remote monitoring center by network 3, body gait information is sent to remote monitoring center, analyze and study for the body gait information of scientific research personnel to user in sports and scientific research, biomechanics engineering and medical rehabilitation field, to reach new application purpose.
These are only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize this utility model description and accompanying drawing content to do equivalent structure or equivalent function conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (8)
1. the pressure transducer for gait information gathering, it is characterized in that, described pressure transducer comprises the upper and lower, described upper strata and described lower floor are flexible parent metal, described flexible parent metal is printed with sensitive layer, the sensitive layer on described upper strata and the sensitive layer of described lower floor form latticed measuring circuit, and each Nodes of described latticed measuring circuit is provided with presser sensor point, and the outfan of described network-like measuring circuit is provided with output lead.
2. as claimed in claim 1 for the pressure transducer of gait information gathering, it is characterized in that, the shape of described pressure transducer is arranged according to Human Sole shape, and described presser sensor point is arranged at the region that pressure is born in human body vola in motor process.
3., as claimed in claim 1 for the pressure transducer of gait information gathering, it is characterized in that, described flexible parent metal is high temperature resistance polyester thin film.
4. as claimed in claim 1 for the pressure transducer of gait information gathering, it is characterized in that, described sensitive layer is printed with silver slurry conductor and presser sensor slurry, and the presser sensor slurry of the presser sensor slurry of the sensitive layer on described upper strata and the sensitive layer of described lower floor is mutually involutory one by one.
5. a wearable device, it is characterized in that, described wearable device comprises the pressure transducer as described in any one of Claims 1-4 dressed body and be arranged on described wearing body, this wearable device also comprises signal conversion module, micro-control module, communication module and power module, wherein:
Described pressure transducer, is electrically connected with described signal conversion module, for gathering the pressure signal of Human Sole;
Described signal conversion module, is electrically connected with described micro-control module, for carrying out filter and amplification and analog digital conversion to described pressure signal, and exports the digital pressure signal after conversion to described micro-control module;
Described micro-control module, is electrically connected with described communication module, for extracting and in analysing gait information from described digital pressure signal, and sends described gait information to described communication module;
Described communication module, for being sent to intelligent terminal by described gait information;
Described power module, is electrically connected with described pressure transducer, signal conversion module, micro-control module and communication module respectively, for providing power supply for described pressure transducer, signal conversion module, micro-control module and communication module.
6. wearable device as claimed in claim 5, it is characterized in that, described wearing body is footwear, on the integrated wearing body being arranged at human foot contact of described pressure transducer, signal conversion module, micro-control module, communication module and power module.
7. wearable device as claimed in claim 5, it is characterized in that, described power module comprises rechargeable battery and Power Management Unit, and described Power Management Unit powers on for described wearable device provides, power-off and battery electric quantity detect.
8. a system, it is characterized in that, described system comprises intelligent terminal and the wearable device as described in any one of claim 5 to 7, described intelligent terminal is connected by network with described wearable device, described wearable device gathers body gait information and sends described body gait information to described intelligent terminal, and described intelligent terminal shows body gait information.
Priority Applications (2)
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CN201520876067.1U CN205107687U (en) | 2015-11-05 | 2015-11-05 | A pressure sensor , wearable equipment and system for gait information acquisition |
PCT/CN2015/098589 WO2017075875A1 (en) | 2015-11-05 | 2015-12-24 | Pressure sensor, wearable device and system for gait information acquisition |
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CN201520876067.1U CN205107687U (en) | 2015-11-05 | 2015-11-05 | A pressure sensor , wearable equipment and system for gait information acquisition |
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CN205107687U true CN205107687U (en) | 2016-03-30 |
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WO (1) | WO2017075875A1 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106691455A (en) * | 2016-12-23 | 2017-05-24 | 山西澳瑞特健康产业股份有限公司 | Gait analysis and evaluation system |
CN108236469A (en) * | 2017-01-21 | 2018-07-03 | 北京理工大学 | A kind of device that can be used for difference human motion state |
WO2018129631A1 (en) * | 2017-01-13 | 2018-07-19 | 石庆学 | Pressure sensor |
CN109635734A (en) * | 2018-10-15 | 2019-04-16 | 王长贵 | A kind of capacitive sensing compound tile |
CN109738096A (en) * | 2019-01-21 | 2019-05-10 | 北京诺亦腾科技有限公司 | A kind of applanation detection device |
CN114569955A (en) * | 2022-01-19 | 2022-06-03 | 同济大学 | Multi-target training device that takes a step |
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CN111248914B (en) * | 2020-01-19 | 2023-03-24 | 北京航空航天大学杭州创新研究院 | Plantar pressure acquisition system |
CN113068961B (en) * | 2021-03-09 | 2023-06-13 | 青岛大学 | Mattress based on flexible sensor |
CN115624325B (en) * | 2022-10-26 | 2024-07-23 | 福州大学 | Wireless wearable pressure and angle detection intelligent insole and monitoring method thereof |
CN115868935B (en) * | 2022-12-16 | 2024-03-08 | 临沂中科睿鹤智慧科技有限公司 | Wearable-based portable balance evaluation device |
Family Cites Families (4)
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CN101201279B (en) * | 2007-12-07 | 2010-10-06 | 安徽君诚体育器材有限公司 | Apparatus for measuring pressure distribution |
US8925392B2 (en) * | 2012-01-30 | 2015-01-06 | Sensoria Inc. | Sensors, interfaces and sensor systems for data collection and integrated remote monitoring of conditions at or near body surfaces |
CN204133447U (en) * | 2014-09-23 | 2015-02-04 | 深圳市易特科信息技术有限公司 | Wearable vital sign monitor |
CN104473650B (en) * | 2014-12-25 | 2017-03-15 | 中国科学院合肥物质科学研究院 | A kind of sports energy consumption monitoring footwear and its monitoring method based on flexible force sensitive sensor |
-
2015
- 2015-11-05 CN CN201520876067.1U patent/CN205107687U/en not_active Expired - Fee Related
- 2015-12-24 WO PCT/CN2015/098589 patent/WO2017075875A1/en active Application Filing
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106691455A (en) * | 2016-12-23 | 2017-05-24 | 山西澳瑞特健康产业股份有限公司 | Gait analysis and evaluation system |
WO2018129631A1 (en) * | 2017-01-13 | 2018-07-19 | 石庆学 | Pressure sensor |
CN108236469A (en) * | 2017-01-21 | 2018-07-03 | 北京理工大学 | A kind of device that can be used for difference human motion state |
CN109635734A (en) * | 2018-10-15 | 2019-04-16 | 王长贵 | A kind of capacitive sensing compound tile |
CN109738096A (en) * | 2019-01-21 | 2019-05-10 | 北京诺亦腾科技有限公司 | A kind of applanation detection device |
CN114569955A (en) * | 2022-01-19 | 2022-06-03 | 同济大学 | Multi-target training device that takes a step |
CN114569955B (en) * | 2022-01-19 | 2023-03-14 | 同济大学 | Multi-target training device that takes a step |
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