CN209826675U - Collection system and electronic equipment - Google Patents
Collection system and electronic equipment Download PDFInfo
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- CN209826675U CN209826675U CN201821768095.1U CN201821768095U CN209826675U CN 209826675 U CN209826675 U CN 209826675U CN 201821768095 U CN201821768095 U CN 201821768095U CN 209826675 U CN209826675 U CN 209826675U
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Abstract
The embodiment of the utility model relates to the technical field of physiological signal acquisition, and discloses an acquisition device and an electronic device, which comprises a first panel, a second panel, an interlayer and a piezoelectric film sensor, wherein the interlayer is arranged between the first panel and the second panel, the piezoelectric film sensor is arranged between the interlayer and the second interlayer, the first panel is an elastic flexible body, the second panel is a rigid flexible body, the interlayer is an elastic flexible body, the piezoelectric film sensor is used for generating an electric signal according to the pressure applied by the first panel and the second panel, the piezoelectric film sensor is arranged between the first panel and the second panel, the first panel is an elastic flexible body, the second panel is a rigid flexible body, the piezoelectric film sensor is arranged at the lower end of the interlayer, the interlayer is made of the elastic flexible body, and when the first panel is bent, the first panel is folded, the appearance is affected, and meanwhile, the detection sensitivity of the piezoelectric film sensor can be improved.
Description
Technical Field
The embodiment of the utility model provides a physiological signal gathers technical field, especially relates to an acquisition device and electronic equipment.
Background
In the prior art, a sensing device needs to be in close contact with the skin of a human body in the collection process of human body physiological indexes, such as heart rate, respiratory rate, body movement and the like, so as to collect pressure signals generated by muscles and convert the pressure signals into electric signals for processing, so as to obtain important human body physiological indexes.
The acquisition device of prior art, because of the problem of inner structure and because of the difference of material, the ability of bending resistance is poor, and a bending will be very obvious crease, also more warp easily, and this makes its outward appearance pleasing to the eye to the signal intensity that leads to gathering easily when the crease appears in the acquisition device is unstable and sensitivity is lower.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a main technical problem who solves provides a collection system and electronic equipment, aims at solving the current collection system and resists the technical problem that the ability of buckling is relatively poor.
In order to solve the above technical problem, an embodiment of the present invention adopts a technical solution that:
in a first aspect, an embodiment of the present invention provides a collection device, including: the piezoelectric sensor comprises a first panel, a second panel, an interlayer and a piezoelectric film sensor, wherein the interlayer is arranged between the first panel and the second panel, the piezoelectric film sensor is arranged between the interlayer and the second panel, the first panel is an elastic flexible body, the second panel is a rigid flexible body, the interlayer is an elastic flexible body, and the piezoelectric film sensor is used for generating an electric signal according to the pressure applied by the first panel and the second panel.
Preferably, a plurality of first protruding blocks are arranged on the first panel, and the plurality of first protruding blocks are arranged at intervals, wherein the first protruding blocks are elastic flexible bodies.
Preferably, a plurality of second protruding blocks are arranged on the second panel, and the second protruding blocks are arranged at intervals, wherein the second protruding blocks are rigid and flexible bodies.
Preferably, a pitch between the plurality of first bumps is three times a pitch between the plurality of second bumps.
Preferably, the thickness of the spacer layer is not more than 0.1 mm.
Preferably, the interlayer is made of TPU.
Preferably, the upper surface of the first bump is provided with first anti-slip grains, and the lower bottom surface of the second bump is provided with second anti-slip grains.
Preferably, the piezoelectric film sensor comprises a piezoelectric film sensor outgoing line, an opening is formed in one end of the acquisition device, and the piezoelectric film sensor outgoing line penetrates through the opening to be connected with external electronic equipment.
In a second aspect, an embodiment of the present invention provides an electronic device, which is applied to the above-mentioned collecting device, the electronic device includes: and the signal processor is connected with the piezoelectric film sensor in the acquisition device and used for processing the electric signal generated by the acquisition device so as to acquire the physiological index of the human physiological signal.
Preferably, the signal processor includes: the pressure sensing signal separation unit is connected with the piezoelectric film sensor and used for separating and screening the electric signals to obtain a plurality of analog electric signals of required frequency bands;
the signal amplification unit is connected with the pressure sensing signal separation unit and is used for amplifying the analog electric signal;
the signal filtering unit is connected with the signal amplifying unit and is used for filtering the amplified analog electric signal and acquiring the filtered analog electric signal of the required frequency band; and the signal judgment and identification unit is connected with the signal filtering unit and is used for carrying out digital processing on the amplified and filtered analog electric signal and obtaining the physiological index of the physiological signal through digital signal processing and calculation.
The embodiment of the utility model provides a beneficial effect is: through with piezoelectric film sensor set up in between first panel and the second panel, and first panel is the flexible body of elasticity, and the second panel is the flexible body of rigidity, sets up piezoelectric film sensor between interlayer and second panel simultaneously, and the interlayer adopts the preparation of the flexible body of elasticity, can prevent that first panel from taking place when buckling, leads to first panel crease to appear, influences the outward appearance, simultaneously, also can improve the sensitivity that piezoelectric film sensor detected.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.
Fig. 1 is a schematic structural diagram of an acquisition device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an opening of an acquisition device according to an embodiment of the present invention;
fig. 3 is a block diagram of a connection structure between an acquisition apparatus and an electronic device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an electronic device according to an embodiment of the present invention;
fig. 5 is a block diagram of a piezoelectric thin film sensor and a signal processor according to an embodiment of the present invention;
fig. 6 is a block diagram of a signal processor according to an embodiment of the present invention.
In the figure: 100. a collection device; 10. a first panel; 101. a first bump; 20. a second panel; 201. a second bump; 202. a second anti-slip pattern; 30. an interlayer; 301. an opening; 40. A piezoelectric thin film sensor; 200. an electronic device; 50. a signal processor; 501. a pressure sensing signal separation unit; 502. a signal amplification unit; 503. a signal filtering unit; 504. a signal judging and identifying unit; 60. and a wireless transmission unit.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 and fig. 2, an embodiment of the present invention provides a collecting apparatus 100, where the collecting apparatus 100 includes: the sensor comprises a first panel 10, a second panel 20, a spacer layer 30 and a piezoelectric film sensor 40, wherein the spacer layer 30 is arranged between the first panel 10 and the second panel 20, and the piezoelectric film sensor 40 is arranged between the spacer layer 30 and the second panel 20.
The first panel 10 is arranged to be long, the first panel 10 is provided with a plurality of first bumps 101, the first bumps 101 are arranged at intervals, the interval can be set to be 8-10mm, the first panel 10 and the first bumps 101 are both made of elastic flexible bodies, the elastic flexible bodies are made of EVA materials, wherein the hardness of the EVA materials is set to be 25-35 degrees, and therefore the elastic flexible bodies have good flexibility.
It can be understood that for better firm collection system 100, prevent because external force leads to the mattress to rock the time, gliding phenomenon appears in collection system 100, through collection system 100 appears gliding phenomenon to be avoided the emergence of gliding phenomenon in collection system 100, can be more accurate gather human physiological signal, promote the convenience that the user gathered physiological signal in the upper surface setting first anti-skidding line (not shown) of first lug 101, be convenient for increase the frictional force between human body and collection system 100.
The first anti-slip pattern may be irregularly shaped, wherein the thickness of the first anti-slip pattern is set to 0.5-0.8mm in order not to decrease the detection sensitivity of the collecting device 100.
The second panel 20 is configured to be a long strip, the second panel 20 is provided with a plurality of second bumps 201, the second bumps 201 are arranged at intervals, and the interval can be set to be 24-30mm, wherein the interval between the second bumps 201 is three times of the interval between the first bumps 101, when the second panel 20 is subjected to the gravity of a human body, the piezoelectric film sensor 40 is conveniently matched to generate large deformation, and the sensitivity of the piezoelectric film sensor 40 for acquiring signals is improved.
It can be understood that the second panel 20 and the second bump 201 are made of rigid flexible bodies made of EVA material, wherein the hardness of the EVA material is set to 50-60 degrees, so that the rigid flexible bodies have better supporting function.
In some embodiments, the second anti-slip pattern 202 is disposed on the lower surface of the second bump 201, so that a larger friction force can be generated between the second anti-slip pattern and a bed sheet or a mattress on a bed, the product is not easy to slide, and effective physiological information of a human body can be better collected.
The second anti-slip texture 202 is configured to be irregular, and it is understood that in some embodiments, the second anti-slip texture 202 may also be configured to be other shapes as long as it can generate a larger friction force with a bed sheet or a mattress on a bed, so that the product is not easy to slip. Wherein, in order not to reduce the detection sensitivity of the acquisition device 100, the thickness of the second anti-skid texture 202 is set to be 0.5-0.8 mm.
Interlayer 30 sets up to rectangular form, and interlayer 30 adopts the TPU material preparation, and the TPU material has soft and resistant performance of bending, leaves the crease when can preventing collection system 100 from bending.
It will be appreciated that the thickness of the spacer layer 30 is set to be not more than 0.1mm, and particularly, it is preferable that the thickness of the spacer layer 30 is 0.05 to 0.08mm, which may suitably increase the sensitivity of the acquisition apparatus 100, and if the thickness of the spacer layer 30 exceeds 0.1mm, the sensitivity of the acquisition apparatus 100 may be decreased.
It is understood that an opening 301 is formed at one end of the collecting device 100 for leading out lead wires of the piezoelectric film sensor 40 described below to be connected to the electronic device 200 described below, wherein the opening 301 is square, and it is understood that in some embodiments, the opening 301 may also be circular, oval, or the like, as long as the lead wires described below can be led out.
And a piezoelectric thin film sensor 40 disposed at a lower end of the spacer 30 and configured to generate an electrical signal according to the pressure applied by the first panel 10 and the second panel, wherein the piezoelectric thin film sensor 40 is further provided with a lead wire (not shown) connected to an external electronic device 200 through the opening 301.
It will be appreciated that in some embodiments, the piezoelectric film sensor 40 may be disposed between the first panel 20 and the spacer layer 30, as long as the collection device 100 is prevented from being folded.
To better prevent the collection device 100 from creasing when bent, in some embodiments, the barrier layer 30 may be provided in two layers, with the two barrier layers 30 being provided between the first panel 10 and the second panel 20, wherein the piezoelectric film sensor 40 is provided between the two barrier layers 30.
It is understood that the first panel 10, the second panel 20, and the barrier 30 are integrally formed by heat pressing.
The utility model discloses beneficial effect does: through with piezoelectric film sensor 40 set up in between first panel 10 and the second panel 20, and first panel 10 is the elasticity flexible body, and second panel 20 is the rigidity flexible body, sets up piezoelectric film sensor 40 between interlayer 30 and second panel 20 simultaneously, and interlayer 30 adopts the preparation of elasticity flexible body, can prevent that first panel 10 from taking place when buckling, leads to first panel 10 crease to appear, influences the outward appearance, simultaneously, also can improve the sensitivity that piezoelectric film sensor 40 detected.
Referring to fig. 3, fig. 4 and fig. 5, an embodiment of the invention provides an electronic device 200 applied to the collecting device 100, wherein the electronic device 200 is connected to the collecting device 100, generates a physiological signal according to an electrical signal generated by the piezoelectric film sensor 40, and performs processing according to the physiological signal to obtain a physiological index of a human physiological signal. The physiological signals include cough, respiration, heartbeat, twitch, and body movement, and it is understood that the physiological index may be a specific value in a unit time or a period of time of a certain signal, such as the number of heartbeats per minute, the number of coughs per hour, and the like.
The electronic apparatus 200 includes: and the signal processor 50 is connected to the acquisition device 100, and is used for processing the electric signal generated by the acquisition device 100 to obtain the physiological index of the human physiological signal. Specifically, the electronic device 200 is connected to the piezoelectric film sensor 40 through a signal processor 50.
Referring to fig. 6, the signal processor 50 includes a pressure sensing signal separation unit 501, a signal amplification unit 502, a signal filtering unit 503, and a signal judgment and identification unit 504.
And the pressure sensing signal separation unit 501 is connected with the piezoelectric film sensor 40, and is used for separating and screening the electric signals to obtain analog electric signals of a plurality of required frequency bands. The piezoelectric sensing signal separation unit 501 may be a filter, and separates and screens the electrical signals by setting corresponding parameters, and since the electrical signals generated by the piezoelectric thin film sensor 40 are usually analog electrical signals, the analog electrical signals of a plurality of required frequency bands can be obtained after separating and screening the electrical signals. For example, the frequency band of the human heartbeat signal is about 0.7Hz-3Hz, and a 0.7Hz-3Hz analog electrical signal can be obtained by setting parameters such as frequency and the like, and the analog electrical signal of the frequency band is the human heartbeat signal.
And a signal amplifying unit 502 connected to the pressure sensing signal separating unit 501, and configured to amplify the analog electrical signal.
The signal filtering unit 503 is connected to the signal amplifying unit 502, and is configured to filter the amplified analog electrical signal, and obtain a filtered analog electrical signal of a desired frequency band. The signal filtering unit 503 can further filter out the unwanted signals by setting corresponding parameters, and obtain less-interference analog electrical signals in the desired frequency band. For example, the frequency band of the human heartbeat signal is about 0.7Hz-3Hz, and twitch and movement signals can be filtered out by setting parameters such as amplitude, so that a pure and clear heartbeat signal is obtained.
The signal judging and identifying unit 504 is connected to the signal filtering unit 503, and is configured to perform digital processing on the amplified and filtered analog electrical signal, and obtain a physiological index of the physiological signal through digital signal processing and calculation.
The electronic device 200 further includes a wireless transmission unit 60, which transmits the specific indexes of the physiological signals to a remote device, so as to improve the convenience of collecting the physiological signals of the human body, separate the collection of the physiological signals from the further analysis or unified storage of the physiological signals, and facilitate the centralized and unified management of the guardians, especially facilitate the guardians to monitor patients.
The wireless transmission unit 60 may be a bluetooth module or WiFi.
The utility model discloses beneficial effect does: by connecting the collection device 100 to the electronic device 200, when the collection device 100 is damaged due to bending or other force-ineffectiveness factors, only the collection device 100 needs to be replaced, and the electronic device 200 does not need to be replaced, so that the cost is saved, and the use is convenient.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. An acquisition device, comprising:
the piezoelectric sensor comprises a first panel, a second panel, an interlayer and a piezoelectric film sensor, wherein the interlayer is arranged between the first panel and the second panel, the piezoelectric film sensor is arranged between the interlayer and the second panel, the first panel is an elastic flexible body, the second panel is a rigid flexible body, the interlayer is an elastic flexible body,
the piezoelectric film sensor is used for generating an electric signal according to the pressure applied by the first panel and the second panel.
2. The collecting device as claimed in claim 1, wherein the first panel is provided with a plurality of first protrusions spaced apart from each other, and the first protrusions are elastically flexible bodies.
3. The collecting device as claimed in claim 2, wherein a plurality of second protrusions are provided on the second panel, and the second protrusions are spaced apart from each other, wherein the second protrusions are rigid and flexible bodies.
4. The collection device of claim 3, wherein a spacing between the first plurality of bumps is three times a spacing between the second plurality of bumps.
5. The collection device of any one of claims 1-4, wherein the barrier layer has a thickness of no more than 0.1 mm.
6. The collecting device as claimed in any one of claims 1 to 4, wherein said barrier is made of TPU.
7. The collecting device as claimed in any one of claims 3 or 4, wherein the upper surface of the first projection is provided with a first anti-slip texture, and the lower bottom surface of the second projection is provided with a second anti-slip texture.
8. The collection device of claim 1, wherein the piezoelectric film sensor comprises a piezoelectric film sensor lead, wherein an opening is formed at one end of the collection device, and the piezoelectric film sensor lead passes through the opening to be connected with external electronic equipment.
9. An electronic device applied to the acquisition apparatus of any one of the preceding claims 1 to 8, wherein the electronic device comprises:
and the signal processor is connected with the piezoelectric film sensor in the acquisition device and used for processing the electric signal generated by the acquisition device so as to acquire the physiological index of the human physiological signal.
10. The electronic device of claim 9, wherein the signal processor comprises:
the pressure sensing signal separation unit is connected with the piezoelectric film sensor and used for separating and screening the electric signals to obtain a plurality of analog electric signals of required frequency bands;
the signal amplification unit is connected with the pressure sensing signal separation unit and is used for amplifying the analog electric signal;
the signal filtering unit is connected with the signal amplifying unit and is used for filtering the amplified analog electric signal and acquiring the filtered analog electric signal of the required frequency band;
and the signal judgment and identification unit is connected with the signal filtering unit and is used for carrying out digital processing on the amplified and filtered analog electric signal and obtaining the physiological index of the physiological signal through digital signal processing and calculation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821768095.1U CN209826675U (en) | 2018-10-30 | 2018-10-30 | Collection system and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821768095.1U CN209826675U (en) | 2018-10-30 | 2018-10-30 | Collection system and electronic equipment |
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| Publication Number | Publication Date |
|---|---|
| CN209826675U true CN209826675U (en) | 2019-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821768095.1U Active CN209826675U (en) | 2018-10-30 | 2018-10-30 | Collection system and electronic equipment |
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|---|---|
| CN (1) | CN209826675U (en) |
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2018
- 2018-10-30 CN CN201821768095.1U patent/CN209826675U/en active Active
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Address after: 518000 Guangdong science and technology innovation and Research Institute, Shenzhen, Shenzhen, Nanshan District No. 6, science and technology innovation and Research Institute, Shenzhen, D 10, 1004, 10 Patentee after: Shenzhen Hetai intelligent home appliance controller Co.,Ltd. Address before: 518000 Guangdong science and technology innovation and Research Institute, Shenzhen, Shenzhen, Nanshan District No. 6, science and technology innovation and Research Institute, Shenzhen, D 10, 1004, 10 Patentee before: SHENZHEN H&T DATA RESOURCES AND CLOUD TECHNOLOGY Ltd. |