CN203815439U - Sensor used for detecting rhythm vibration of human body - Google Patents
Sensor used for detecting rhythm vibration of human body Download PDFInfo
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- CN203815439U CN203815439U CN201420178422.3U CN201420178422U CN203815439U CN 203815439 U CN203815439 U CN 203815439U CN 201420178422 U CN201420178422 U CN 201420178422U CN 203815439 U CN203815439 U CN 203815439U
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- sensor
- human body
- piezoelectric membrane
- detection
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Abstract
The utility model discloses a sensor used for detecting rhythm vibration of a human body, and belongs to the technical field of sensors used for detecting rhythm vibration of human bodies. The technical points of the sensor are that the sensor comprises an integrated circuit packaging module, as well as a piezoelectric film and a pulse contact terminal that are arranged on the upper end surface of the integrated circuit packaging module, wherein the upper end surface of the integrated circuit packaging module is provided with a vibration working cavity adaptive to the piezoelectric film; the positive pole and the negative pole of a signal input end of a packaging chip inside the integrated circuit packaging module are connected with the positive pole and the negative pole of the piezoelectric film respectively. The utility model aims to provide the sensor that is reasonable in structure, small in size, high in integration level and used for detecting the rhythm vibration of the human body, and the sensor is used for monitoring the rhythm vibration of the human body.
Description
Technical field
This utility model relates to a kind of human body detecting device, more particularly, relates in particular to a kind of sensor for detection of human body rhythm vibration.
Background technology
Pulse wave is one of important parameter of cardiovascular system of human body.In the time of the periodic contraction of heart and diastole, ventricle is injected aortal blood flow autonomous the form with ripple initiatively root 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 measuring arterial pressure variation with piezoelectric transducer 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, changes in order to be checked through accurately the pressure that tremulous pulse causes, sensor need to be covered as far as possible to the top of tremulous pulse.
In traditional pulse wave detects, disturbing with comfort level is usually a subject matter.Monitor continuously for meeting in life occasion, 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, volume is little, integrated level is high sensor for detection of human body rhythm vibration is provided.
The technical solution of the utility model is achieved in that a kind of sensor for detection of human body rhythm vibration, and piezoelectric membrane and pulse contact that wherein this sensor is arranged on integrated antenna package module upper surface by integrated antenna package module and sequentially laminating from the bottom to top form; Be provided with the vibration working chamber adapting with piezoelectric membrane in integrated antenna package module upper surface; In integrated antenna package module, the signal input part both positive and negative polarity of packaged chip is connected with the both positive and negative polarity of piezoelectric membrane respectively.
In above-mentioned a kind of sensor for detection of human body rhythm vibration, described integrated antenna package module is made up of resin-encapsulated shell and the multistage linear amplifier circuit module being encapsulated in resin-encapsulated shell; The signal input part both positive and negative polarity of multistage linear amplifier circuit module is connected with the both positive and negative polarity of piezoelectric membrane respectively.
In above-mentioned a kind of sensor for detection of human body rhythm vibration, described pulse contact is arranged with locating ring outward, and the outline of described pulse contact adapts with the profile of vibration working chamber.
In above-mentioned a kind of sensor for detection of human body rhythm vibration, the overall structure of described locating ring and the integrated injection-compression molding of pulse contact.
In above-mentioned a kind of sensor for detection of human body rhythm vibration, described pulse contact is by edge, the upper surface bonding connection of locating ring and piezoelectric membrane; The edge, lower surface of described piezoelectric membrane and the edge bonding connection of integrated antenna package module.
In above-mentioned a kind of sensor for detection of human body rhythm vibration, described multistage linear amplifier circuit module is provided with and extends to resin-encapsulated shell outside and bent anodal piezoelectric signal input pin and negative pole piezoelectric signal input pin, described piezoelectric membrane bottom surface is positive pole-face, the end face of described piezoelectric membrane is negative pole face, anodal piezoelectric signal input pin bending is fitted on resin-encapsulated shell end face and with the positive pole-face conducting of piezoelectric membrane and is connected, the bending of negative pole piezoelectric signal input pin is fitted on piezoelectric membrane negative pole face and with the conducting of piezoelectric membrane negative pole face and is connected.
In above-mentioned a kind of sensor for detection of human body rhythm vibration, described multistage linear amplifier circuit module is provided with the power supply input pin, grounding pin and the signal output pin that extend to resin-encapsulated shell outside.
In above-mentioned a kind of sensor for detection of human body rhythm vibration, described pulse contact is made up of silica gel solid fixed platform and the silica gel contact being arranged on silica gel solid fixed platform, and the outline of described silica gel solid fixed platform adapts with the profile of vibration working chamber; Further, described silica gel contact height is 1～10mm; The end that described silica gel contact contacts with human body is simultaneously arcuate structure or inhales disk-shaped structure or U-shaped structure.
This utility model adopts after said structure, surface-mounted integrated circuit is combined in sensor assembly dexterously, make each critical piece height integration packaging of whole sensor assembly become an entirety, realize integrated design, the sensor concordance of this structure is high, and transplantability is high, and volume is little, save structure space for the research and development of new product, can stay remaining more space to other function.Meanwhile, the arc contact jaw of silica gel contact, can receive pulse vibration signal well, and utilizes the silica gel pulse vibration transmission face of silica gel solid fixed platform bottom, pulse vibration signal is delivered on piezoelectric membrane completely, thus the sensitivity that has improved sensor.This utility model is highly suitable for human body vital sign, as heart beating, each position pulse, breathing, muscular tremor etc., and also can be for detection of pregnant woman fetal sound or other micro-vibration.
Brief description of the drawings
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 structural representation of the present utility model;
Fig. 2 is the assembly structure schematic diagram of this utility model surface-mounted integrated circuit and piezoelectric membrane;
Fig. 3 is decomposition texture schematic diagram of the present utility model.
In figure: integrated antenna package module 1, resin-encapsulated shell 1a, multistage linear amplifier circuit module 1b, anodal piezoelectric signal input pin 1c, negative pole piezoelectric signal input pin 1d, power supply input pin 1e, grounding pin 1f, signal output pin 1g, piezoelectric membrane 2, pulse contact 3, silica gel solid fixed platform 3a, silica gel contact 3b, vibration working chamber 4, locating ring 5.
Detailed description of the invention
Consult shown in Fig. 1, a kind of sensor for detection of human body rhythm vibration of the present utility model, piezoelectric membrane 2 and pulse contact 3 that this sensor is arranged on integrated antenna package module 1 upper surface by integrated antenna package module 1 and sequentially laminating from the bottom to top form; Be provided with the vibration working chamber 4 adapting with piezoelectric membrane 2 in integrated antenna package module 1 upper surface; The signal input part both positive and negative polarity of integrated antenna package module 1 interior packaged chip is connected with the both positive and negative polarity of piezoelectric membrane 2 respectively.
Particularly, described integrated antenna package module 1 is made up of resin-encapsulated shell 1a and the multistage linear amplifier circuit module 1b being encapsulated in resin-encapsulated shell 1a; Vibration working chamber 4 is one-body molded on resin-encapsulated shell 1a, and the signal input part both positive and negative polarity of multistage linear amplifier circuit module 1b is connected with the both positive and negative polarity of piezoelectric membrane 2 respectively.The charge signal that multistage linear amplifier circuit module 1b mainly detects piezoelectric membrane 2 carries out multistage amplification, and faint pulse vibration signal is converted to after the signal of telecommunication by piezoelectric membrane 2, can be amplified to the output signal of enough magnitudes.
In the present embodiment, for convenience of connecting, and ensure the accuracy of measuring, be arranged with locating ring 5 outside pulse contact 3, the outline of described pulse contact 3 adapts with the profile of vibration working chamber 4, selects the material of PVC as locating ring 5 in the present embodiment.For making the while simple for structure more convenient to install, locating ring 5 and pulse contact 3 are preferably the overall structure of integrated injection-compression molding.In the present embodiment, pulse contact 3 is by edge, the upper surface bonding connection of locating ring 5 and piezoelectric membrane 2; The edge, lower surface of described piezoelectric membrane 2 and the edge bonding connection of integrated antenna package module 1.Like this, piezoelectric membrane 2 is clamped between locating ring 5 and integrated antenna package module 1 and keeps tensioned state.
Simultaneously, on multistage linear amplifier circuit module 1b, be provided with and extend to resin-encapsulated shell 1a outside and bent anodal piezoelectric signal input pin 1c and negative pole piezoelectric signal input pin 1d, described piezoelectric membrane 2 bottom surfaces are positive pole-face, the end face of described piezoelectric membrane 2 is negative pole face, anodal piezoelectric signal input pin 1c bending is fitted on resin-encapsulated shell 1a end face and with the positive pole-face conducting of piezoelectric membrane 2 and is connected, and negative pole piezoelectric signal input pin 1d bending is fitted on piezoelectric membrane 2 negative pole faces and with piezoelectric membrane 2 negative pole face conductings and is connected.On multistage linear amplifier circuit module 1b, be also provided with power supply input pin 1e, the grounding pin 1f and the signal output pin 1g that extend to resin-encapsulated shell 1a outside.Adopt this structure, there is following remarkable advantage: (1) resin-encapsulated shell 1a encapsulates multistage linear amplifier circuit module 1b, make multistage linear amplifier circuit module 1b there is height water proof and dust proof, anti-tampering and micro-power consumption, (2) the dull and stereotyped intensity of resin-encapsulated shell 1a and area and end face form vibration working chamber 4, and for piezoelectric membrane 2 provides the required essential condition of working, one-object-many-purposes, further simplifies structure, (3) resin-encapsulated shell 1a coordinates the shielding of ingenious realization to piezoelectric membrane 2 positive poles with the negative pole of piezoelectric membrane 2, (4) very important, after being encapsulated by resin-encapsulated shell 1a, multistage linear amplifier circuit module 1b is integrated in sensor, not only make the charge signal of piezoelectric membrane 2 transfer to multistage linear amplifier circuit module 1b by beeline, loss and external interference are effectively reduced, make to measure more accurate, and use convenient, no longer need additional configuration amplifying circuit, greatly improve the stability for detection of the sensor of human body rhythm vibration, precision, microminiaturized, greatly reduce power consumption and the product integrated cost of device, microminiaturized degree has exceeded the sensor of existing known piezoelectric film type for detection of human body rhythm vibration.
Original sensor, multistage linear amplifier circuit module 1b is external, is generally integrated in main control MCU.Like this, just make in the time of effective sale, client buys sensor, just need to correspondingly buy or be equipped with multistage linear amplifier circuit module 1b for it, not only use inconvenient, but also use knowledge need to customer training specialty, this product leaves the complicated impression of application to client, affects sales achievement.
Further, in the present embodiment, pulse contact 3 is made up of silica gel solid fixed platform 3a and the silica gel contact 3b being arranged on silica gel solid fixed platform 3a, and the outline of described silica gel solid fixed platform 3a adapts with the profile of vibration working chamber 4; And the height of described silica gel contact 3b is 1～10mm, the end that described silica gel contact 3b contacts with human body is arcuate structure or inhales disk-shaped structure or U-shaped structure, particularly, according to the difference of position to be detected and data to be tested, height and shape can be carried out adaptive adjusting, for example, while detecting wrist pulse, the altitude range of silica gel contact 3b is preferably 1～5mm, and end shape is preferably the arcuate structure of evagination; When position to be detected is positioned at human abdomen, when measuring the data such as abdomen tremulous pulse or pregnant woman fetal sound, the altitude range of silica gel contact 3b is preferably 5～10mm, and end shape is preferably the sucker structure of indent; When position to be detected is positioned at neck, when measuring carotid artery data, the altitude range of silica gel contact 3b is preferably 3～10mm, and end shape is preferably the U-shaped structure of indent.Certainly, above-mentioned is only preferred implementation, and as the case may be, the height of silica gel contact 3b and end shape all can carry out adaptive adjusting.Meanwhile, the end shape of listed silica gel contact 3b in the present embodiment, the structure that also can adopt other and human body position to be detected to adapt, such as spherical structure or v-shaped structure etc.The shape that silica gel contact 3b and human body portion to be detected adapts and suitable height, feel comfortable while not only making human body contact with silica gel contact 3b, and can receive well pulse vibration signal.Simultaneously, flexible silica gel solid fixed platform 3a just adapts with the size of vibration working chamber 4, the human pulse extruding silica gel contact 3b that beats makes the vibration transmission face of silica gel solid fixed platform 3a and piezoelectric membrane 2 produce nature projection along piezoelectric membrane vibratility adjustment working chamber 4, and extruding makes piezoelectric membrane 2 produce charge signal to export.
When use, the sensor for detection of human body rhythm vibration of the present utility model is combined on outside positioning equipment to for example wrist strap.Adjust the position of silica gel contact 3b, 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 not departing from the scope of technical characterictic that this utility model is carried, 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 (10)
1. the sensor for detection of human body rhythm vibration, it is characterized in that, piezoelectric membrane (2) and pulse contact (3) that this sensor is arranged on integrated antenna package module (1) upper surface by integrated antenna package module (1) and sequentially laminating from the bottom to top form; Be provided with the vibration working chamber (4) adapting with piezoelectric membrane (2) in integrated antenna package module (1) upper surface; The signal input part both positive and negative polarity of the interior packaged chip of integrated antenna package module (1) is connected with the both positive and negative polarity of piezoelectric membrane (2) respectively.
2. a kind of sensor for detection of human body rhythm vibration according to claim 1, it is characterized in that, described integrated antenna package module (1) is made up of resin-encapsulated shell (1a) and the multistage linear amplifier circuit module (1b) that is encapsulated in resin-encapsulated shell (1a); The signal input part both positive and negative polarity of multistage linear amplifier circuit module (1b) is connected with the both positive and negative polarity of piezoelectric membrane (2) respectively.
3. a kind of sensor for detection of human body rhythm vibration according to claim 1 and 2, it is characterized in that, the outer locating ring (5) that is arranged with of described pulse contact (3), the outline of described pulse contact (3) adapts with the profile of vibration working chamber (4).
4. a kind of sensor for detection of human body rhythm vibration according to claim 3, is characterized in that the overall structure of described locating ring (5) and the integrated injection-compression molding of pulse contact (3).
5. a kind of sensor for detection of human body rhythm vibration according to claim 3, is characterized in that, described pulse contact (3) is edge, the upper surface bonding connection with piezoelectric membrane (2) by locating ring (5); The edge bonding connection of the edge, lower surface of described piezoelectric membrane (2) and integrated antenna package module (1).
6. a kind of sensor for detection of human body rhythm vibration according to claim 2, it is characterized in that, described multistage linear amplifier circuit module (1b) is provided with and extends to resin-encapsulated shell (1a) outside and bent anodal piezoelectric signal input pin (1c) and negative pole piezoelectric signal input pin (1d), described piezoelectric membrane (2) bottom surface is positive pole-face, the end face of described piezoelectric membrane (2) is negative pole face, anodal piezoelectric signal input pin (1c) bending is fitted on resin-encapsulated shell (1a) end face and with the positive pole-face conducting of piezoelectric membrane (2) and is connected, negative pole piezoelectric signal input pin (1d) bending is fitted on piezoelectric membrane (2) negative pole face and with the conducting of piezoelectric membrane (2) negative pole face and is connected.
7. according to a kind of sensor for detection of human body rhythm vibration described in claim 2 or 6, it is characterized in that, described multistage linear amplifier circuit module (1b) is provided with the power supply input pin (1e), grounding pin (1f) and the signal output pin (1g) that extend to resin-encapsulated shell (1a) outside.
8. a kind of sensor for detection of human body rhythm vibration according to claim 3, it is characterized in that, described pulse contact (3) is made up of silica gel solid fixed platform (3a) and the silica gel contact (3b) that is arranged on silica gel solid fixed platform (3a), and the outline of described silica gel solid fixed platform (3a) adapts with the profile of vibration working chamber (4).
9. a kind of sensor for detection of human body rhythm vibration according to claim 8, is characterized in that, described silica gel contact (3b) is highly 1～10mm.
10. a kind of sensor for detection of human body rhythm vibration according to claim 8, is characterized in that, the end that described silica gel contact (3b) contacts with human body is arcuate structure or inhales disk-shaped structure or U-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420178422.3U CN203815439U (en) | 2014-04-14 | 2014-04-14 | Sensor used for detecting rhythm vibration of human body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420178422.3U CN203815439U (en) | 2014-04-14 | 2014-04-14 | Sensor used for detecting rhythm vibration of human body |
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| Publication Number | Publication Date |
|---|---|
| CN203815439U true CN203815439U (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420178422.3U Withdrawn - After Issue CN203815439U (en) | 2014-04-14 | 2014-04-14 | Sensor used for detecting rhythm vibration of human body |
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| CN (1) | CN203815439U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103932685A (en) * | 2014-04-14 | 2014-07-23 | 天津万合星辰信息技术有限公司 | Sensor for detecting rhythmical vibration of human body |
| CN105726037A (en) * | 2016-03-31 | 2016-07-06 | 德清县德意电脑有限公司 | Ballistocardiography signal collecting system of improved structure |
| CN105726036A (en) * | 2016-03-31 | 2016-07-06 | 德清县德意电脑有限公司 | Ballistocardiogram signal collection system |
-
2014
- 2014-04-14 CN CN201420178422.3U patent/CN203815439U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103932685A (en) * | 2014-04-14 | 2014-07-23 | 天津万合星辰信息技术有限公司 | Sensor for detecting rhythmical vibration of human body |
| WO2015158019A1 (en) * | 2014-04-14 | 2015-10-22 | 天津普仁万合信息技术有限公司 | Sensor for detecting rhythmical vibration of human body |
| CN103932685B (en) * | 2014-04-14 | 2016-04-13 | 天津普仁万合信息技术有限公司 | For the sensor of human body rhythm and pace of moving things vibration |
| CN105726037A (en) * | 2016-03-31 | 2016-07-06 | 德清县德意电脑有限公司 | Ballistocardiography signal collecting system of improved structure |
| CN105726036A (en) * | 2016-03-31 | 2016-07-06 | 德清县德意电脑有限公司 | Ballistocardiogram signal collection system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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. |
|
| 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 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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| AV01 | Patent right actively abandoned |
Granted publication date: 20140910 Effective date of abandoning: 20160413 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |