CN203458374U - Contact type pulse sensor - Google Patents
Contact type pulse sensor Download PDFInfo
- Publication number
- CN203458374U CN203458374U CN201320596281.2U CN201320596281U CN203458374U CN 203458374 U CN203458374 U CN 203458374U CN 201320596281 U CN201320596281 U CN 201320596281U CN 203458374 U CN203458374 U CN 203458374U
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- Prior art keywords
- contact
- silica gel
- pulse
- piezoelectric membrane
- pulse transducer
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- 210000000707 wrist Anatomy 0.000 claims abstract description 17
- 239000012528 membrane Substances 0.000 claims description 33
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 28
- 239000000741 silica gel Substances 0.000 claims description 28
- 229910002027 silica gel Inorganic materials 0.000 claims description 28
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 9
- 239000002033 PVDF binder Substances 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 5
- 238000013480 data collection Methods 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 230000035945 sensitivity Effects 0.000 description 4
- 230000001575 pathological effect Effects 0.000 description 3
- 210000001367 artery Anatomy 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004872 arterial blood pressure Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 210000000748 cardiovascular system Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000003759 clinical diagnosis Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
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- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
The utility model discloses a contact type pulse sensor and belongs to the technical field of pulse sensors. The contact type pulse sensor is characterized in that a wrist belt is included, the wrist belt is provided with a locating groove, a pulse sensing module is arranged in the locating groove and is formed by sequentially arranging a frame, a piezoelectric film and a sensing contract in an overlapping mode, the frame is provided with a vibration deformation working cavity corresponding to the piezoelectric film, the positive pole and the negative pole of the piezoelectric film are connected with an external data collecting instrument through guide lines, a locating press plate is arranged on the outer side of the sensing contact, the pulse sensing module is fixed on the wrist belt through the locating press plate, and the sensing contact is in contact with a human body. The contact type pulse sensor is reasonable in structure, small in size, and convenient to carry, and is used for monitoring human bodies.
Description
Technical field
This utility model relates to a kind of pulse transducer, more particularly, relates in particular to a kind of contact pulse transducer.
Background technology
Pulse wave is one of important parameter of cardiovascular system of human body.When the periodic contraction of heart and diastole, ventricle is injected aortal blood flow the autonomous initiatively root of the form with ripple is set out and propagated along tremulous pulse piping, and this ripple is exactly pulse wave.Pulse wave transmits in tremulous pulse piping, and constantly reflection in the branches at different levels of downstream diverse location, make pulse wave not only will be subject to the impact of heart itself, also can be subject to various physiological and pathological factors flowing through in tremulous pulsies at different levels and branch as the impact of vascular resistance, vessel wall elasticity and blood stickiness etc., thereby the reflection wave strength reflecting from downstream peripheral arterial and waveform will have very big-difference with different physiological and pathological factors vary simultaneously.Therefore from pulse wave, extract the physiological and pathological information of human body as the foundation of clinical diagnosis and treatment, be always subject to the attention of China and foreign countries' medical circle.
In prior art, the device that uses piezoelectric to make, is converted to Voltage-output to the conversion of electric energy by pulse wave by mechanical energy, is modal pulse wave measurement method, and with piezoelectric transducer, measuring arterial pressure change is known technology.Its implementation, for by piezoelectric transducer unit is placed on human body artery surface, brings tension variation to measure endovascular pressure state by experiencing tremulous pulse.Artery diameter is generally 1.2mm～3.5mm, and the pressure variation causing in order to be checked through accurately tremulous pulse need to cover sensor the top of tremulous pulse as far as possible.
In traditional pulse wave detects, disturbing with comfort level is usually a subject matter.For meeting in life occasion, carry out continuous monitoring, power consumption is also a subject matter.
The pulse wave sensor detecting based on mechanical energy traditionally requires detected person to take particular pose, and takes the mode of pressing, and to overcome interfering signal, meeting blood stream pressure can be conducted and identify clearly.
Utility model content
The purpose of this utility model is for above-mentioned the deficiencies in the prior art, and a kind of rational in infrastructure, contact pulse transducer that volume is little and easy to carry is provided.
The technical solution of the utility model is achieved in that a kind of contact pulse transducer, comprise wrist strap, wherein said wrist strap is provided with locating slot, in described locating slot, be provided with pulse sensing module, described pulse sensing module is comprised of framework, piezoelectric membrane and the sensor contact that sequentially stack arranges; Described framework is provided with the vibrations deformation operation chamber corresponding with piezoelectric membrane, and the both positive and negative polarity of described piezoelectric membrane is connected with external data collection instrument by wire; In sensor contact outside, be provided with positioning pressuring plate, described pulse sensing module is pressed abd fixed on wrist strap by positioning pressuring plate, and described sensor contact contacts with human body.
In above-mentioned a kind of contact pulse transducer, described wrist strap is comprised of internal layer bonded to each other and skin, and described locating slot is arranged on internal layer, and the thickness of the thickness of described internal layer and pulse sensing module adapts.
In above-mentioned a kind of contact pulse transducer, on described framework, piezoelectric membrane, sensor contact and positioning pressuring plate, be respectively equipped with the connecting through hole of mutual correspondence, described framework, piezoelectric membrane, sensor contact and positioning pressuring plate pass connecting through hole by rivet and rivet.
In above-mentioned a kind of contact pulse transducer, described sensor contact is comprised of silica gel solid fixed platform and at least one the silica gel contact being arranged on silica gel solid fixed platform, and described positioning pressuring plate is provided with the positioning through hole adapting with silica gel contact.
In above-mentioned a kind of contact pulse transducer, it is 1～5mm that described silica gel contact is positioned at the height that hull outside divides.
In above-mentioned a kind of contact pulse transducer, described silica gel contact has two, and two silica gel contact intervals arrange.
In above-mentioned a kind of contact pulse transducer, the end that described silica gel contact contacts with human body is arcuate structure.
In above-mentioned a kind of contact pulse transducer, described framework is the support that PVDF material is made, and described piezoelectric membrane is PVDF piezoelectric membrane.
This utility model adopts after said structure, by framework and the ingenious cooperation of piezoelectric membrane, makes pulse sensing module have advantages of following:
(1) good pliability, can attach the wrist pulse district of any shape.
(2) make pulse transducer more microminiaturized, thickness can be less than 2mm.
(3) simplified the processing technique of piezoelectric film sensor, significantly improved production qualification rate and reduced production cost.
Simultaneously, mode by adopting rivet is pulse sensing module fixedly, make sensor contact can fully hold out against piezoelectric membrane, make the duty of piezoelectric membrane in tightening, when sensor contact has vibrations, piezoelectric membrane can fully receive and be converted to deflection, produces vibrations charge signal, significantly improves anti-interference and the detection sensitivity of sensor.
Accompanying drawing explanation
Below in conjunction with the embodiment in accompanying drawing, the utility model is described in further detail, but do not form any restriction of the present utility model.
Fig. 1 is decomposition texture schematic diagram of the present utility model;
Fig. 2 is the assembly structure schematic diagram of this utility model piezoelectric membrane and framework.
In figure: wrist strap 1, internal layer 1a, outer 1b, locating slot 2, framework 3, vibrations deformation operation chamber 3a, piezoelectric membrane 4, sensor contact 5, silica gel solid fixed platform 5a, silica gel contact 5b, positioning pressuring plate 6, connecting through hole 7.
The specific embodiment
Consult shown in Fig. 1 and Fig. 2, a kind of contact pulse transducer of the present utility model, comprise wrist strap 1, described wrist strap 1 is comprised of internal layer 1a bonded to each other and outer 1b, on internal layer 1a, be provided with locating slot 2, in described locating slot 2, be provided with pulse sensing module, the thickness of the thickness of described internal layer 1a and pulse sensing module adapts; Described pulse sensing module is comprised of framework 3, piezoelectric membrane 4 and the sensor contact 5 that sequentially stack arranges; Described framework 3 is provided with the vibrations deformation operation chamber 3a corresponding with piezoelectric membrane 4, and the both positive and negative polarity of described piezoelectric membrane 4 is connected with external data collection instrument by wire; In sensor contact 5 outsides, be provided with positioning pressuring plate 6, described pulse sensing module is pressed abd fixed on wrist strap 1 by positioning pressuring plate 6, and described sensor contact 5 contacts with human body.Particularly, described sensor contact 5 is comprised of silica gel solid fixed platform 5a and at least one the silica gel contact 5b being arranged on silica gel solid fixed platform 5a, described positioning pressuring plate 6 is provided with the positioning through hole adapting with silica gel contact 5b, and the height that described silica gel contact 5b is positioned at housing 1 outer part is 1～5mm.Meanwhile, the comfort level during for raising human body touch sensor, the end that described silica gel contact 5b contacts with human body is arcuate structure.In the present embodiment, described silica gel contact 5b has two, and two silica gel contact 5b intervals arrange.Two silica gel contact 5b can conveniently cover pulse region, improve the sensitivity that product detects.
Meanwhile, be respectively equipped with the connecting through hole 7 of mutual correspondence on described framework 3, piezoelectric membrane 4, sensor contact 5 and positioning pressuring plate 6, described framework 3, piezoelectric membrane 4, sensor contact 5 and positioning pressuring plate 6 pass connecting through hole 7 riveted joints by rivet.The mode of employing rivet 7 riveted joints is pulse sensing module fixedly, make sensor contact 5 can fully hold out against piezoelectric membrane 4, make the duty of piezoelectric membrane 4 in tightening, when sensor contact 5 has vibrations, piezoelectric membrane 4 can fully receive and be converted to deflection, produce vibrations charge signal, significantly improve anti-interference and the detection sensitivity of sensor.
Further, in the present embodiment, the support that described framework 3 is made for PVDF material, described piezoelectric membrane 4 is PVDF piezoelectric membrane.Framework 3 adopts PVDF material to make, and can effectively fit with PVDF piezoelectric membrane, guarantees can not get loose between piezoelectric membrane 4 and framework 3, has greatly improved the sensitivity and the reliability that detect pulse vibrations.Certainly, the material of framework 3, also can adopt other to have elasticity and toughness, and can paste with pvdf membrane the easy rapidoprint of blind date.
During use, pulse transducer band of the present utility model, in wrist, is adjusted to the position of silica gel contact 5b, connect external data collection instrument, can carry out the collection of pulse data.
Above illustrated embodiment is preferred embodiments of the present utility model, only be used for facilitating explanation this utility model, not this utility model is done to any pro forma restriction, under any, in technical field, have and conventionally know the knowledgeable, if within not departing from the scope of technical characterictic that this utility model is put forward, utilize technology contents that this utility model discloses to do the local equivalent embodiment that changes or modify, and do not depart from technical characterictic content of the present utility model, all still belong in the scope of this utility model technical characterictic.
Claims (8)
1. a contact pulse transducer, comprise wrist strap (1), it is characterized in that, described wrist strap (1) is provided with locating slot (2), in described locating slot (2), be provided with pulse sensing module, described pulse sensing module is comprised of framework (3), piezoelectric membrane (4) and the sensor contact (5) that sequentially stack arranges; Described framework (3) is provided with the vibrations deformation operation chamber (3a) corresponding with piezoelectric membrane (4), and the both positive and negative polarity of described piezoelectric membrane (4) is connected with external data collection instrument by wire; In sensor contact (5) outside, be provided with positioning pressuring plate (6), it is upper that described pulse sensing module is pressed abd fixed on wrist strap (1) by positioning pressuring plate (6), and described sensor contact (5) contacts with human body.
2. a kind of contact pulse transducer according to claim 1, it is characterized in that, described wrist strap (1) is comprised of internal layer bonded to each other (1a) and outer (1b), it is upper that described locating slot (2) is arranged on internal layer (1a), and the thickness of the thickness of described internal layer (1a) and pulse sensing module adapts.
3. a kind of contact pulse transducer according to claim 1, it is characterized in that, on described framework (3), piezoelectric membrane (4), sensor contact (5) and positioning pressuring plate (6), be respectively equipped with the connecting through hole (7) of mutual correspondence, described framework (3), piezoelectric membrane (4), sensor contact (5) and positioning pressuring plate (6) pass connecting through hole (7) riveted joint by rivet.
4. a kind of contact pulse transducer according to claim 1, it is characterized in that, described sensor contact (5) is comprised of silica gel solid fixed platform (5a) and at least one silica gel contact (5b) of being arranged on silica gel solid fixed platform (5a), and described positioning pressuring plate (6) is provided with the positioning through hole adapting with silica gel contact (5b).
5. a kind of contact pulse transducer according to claim 4, is characterized in that, the height that described silica gel contact (5b) is positioned at the outer part of housing (1) is 1～5mm.
6. a kind of contact pulse transducer according to claim 5, is characterized in that, described silica gel contact (5b) has two, and two silica gel contacts (5b) interval arranges.
7. according to the arbitrary described a kind of contact pulse transducer of claim 4 to 6, it is characterized in that, the end that described silica gel contact (5b) contacts with human body is arcuate structure.
8. a kind of contact pulse transducer according to claim 1, is characterized in that, the support that described framework (3) is made for PVDF material, and described piezoelectric membrane (4) is PVDF piezoelectric membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320596281.2U CN203458374U (en) | 2013-09-22 | 2013-09-22 | Contact type pulse sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320596281.2U CN203458374U (en) | 2013-09-22 | 2013-09-22 | Contact type pulse sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203458374U true CN203458374U (en) | 2014-03-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320596281.2U Expired - Fee Related CN203458374U (en) | 2013-09-22 | 2013-09-22 | Contact type pulse sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203458374U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105433915A (en) * | 2014-08-12 | 2016-03-30 | 上海华博信息服务有限公司 | Traditional Chinese medicine pulse diagnosis instrument and pulse condition detection method thereof |
| CN107898445A (en) * | 2017-12-28 | 2018-04-13 | 黄忠全 | Wearable intelligent pulse-taking instrument |
-
2013
- 2013-09-22 CN CN201320596281.2U patent/CN203458374U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105433915A (en) * | 2014-08-12 | 2016-03-30 | 上海华博信息服务有限公司 | Traditional Chinese medicine pulse diagnosis instrument and pulse condition detection method thereof |
| CN105433915B (en) * | 2014-08-12 | 2018-01-26 | 上海华博信息服务有限公司 | A kind of traditional Chinese pulse-diagnosis instrument and its pulse condition detection method |
| CN107898445A (en) * | 2017-12-28 | 2018-04-13 | 黄忠全 | Wearable intelligent pulse-taking instrument |
| CN107898445B (en) * | 2017-12-28 | 2020-06-23 | 黄忠全 | Wearable intelligent pulse diagnosis instrument |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 300457 E8305, Binhai Financial Street, 20 East Square Road, Binhai New Area Development Zone, Tianjin, China Patentee after: TIANJIN ONEHAL INFORMATION TECHNOLOGY Co.,Ltd. Address before: 300457 No. 1, building 19, Xin Huan Xi Road, Tianjin Binhai New Area Development Zone, 1701-6 Patentee before: TIANJIN ONEHAL INFORMATION TECHNOLOGY Co.,Ltd. |
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| C56 | Change in the name or address of the patentee |
Owner name: TIANJIN PUREN WANHE INFORMATION TECHNOLOGY CO., LT Free format text: FORMER NAME: TIANJIN ONEHAL INFORMATION TECHNOLOGY CO., LTD. |
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| CP03 | Change of name, title or address |
Address after: Binhai Economic and Technological Development Zone of Tianjin City West 300457 ring Letter No. 19 TEDA Service Outsourcing Industry Park Building No. 1 Tianjin 1401-2 Purenwanhe Information Technology Co. Ltd. Patentee after: TIANJIN PUREN ONEHAL INFORMATION TECHNOLOGY Co.,Ltd. Address before: 300457 E8305, Binhai Financial Street, 20 East Square Road, Binhai New Area Development Zone, Tianjin, China Patentee before: TIANJIN ONEHAL INFORMATION TECHNOLOGY Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140305 |