CN209826674U - Sleep monitoring device and electronic equipment - Google Patents
Sleep monitoring device and electronic equipment Download PDFInfo
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- CN209826674U CN209826674U CN201821767609.1U CN201821767609U CN209826674U CN 209826674 U CN209826674 U CN 209826674U CN 201821767609 U CN201821767609 U CN 201821767609U CN 209826674 U CN209826674 U CN 209826674U
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Abstract
The utility model relates to a physiological signal gathers the field, relates to a sleep monitor device and electronic equipment, include: the piezoelectric film sensor is arranged on one side of the first panel, which faces the second panel, and is used for generating an electric signal according to pressure applied by the first panel and the second panel; a plurality of bumps are arranged on one surface, far away from the second panel, of the first panel, the bumps are arranged at intervals, and the distance between every two adjacent bumps is 30-45 mm; by adopting the technical scheme, the problem that the piezoelectric film sensor is inaccurate in detection due to the fact that the piezoelectric film sensor cannot be extruded due to different postures of a human body lying on the sleep belt is solved, and therefore whether a person lies on the sleep belt can be accurately judged by the piezoelectric film sensor.
Description
Technical Field
The utility model relates to a physiological signal gathers technical field, especially relates to a sleep monitor device and electronic equipment.
Background
The intelligent hardware of the sleep monitor in the household application mainly utilizes a piezoelectric film as a sleep belt, and the weak movement of a testee in the sleep process can be transmitted to the piezoelectric film belt under the body, so that the micro-motion physiological signal of the testee is obtained, and then the heart rate signal and the respiratory signal are separated from the micro-motion physiological signal through algorithm analysis. The sleep band has the function of automatically identifying the presence of people and the absence of people, and is used in smart home to be interconnected with a plurality of devices and provide full-automatic scene service.
In the prior art, a human body lies on a sleep belt, and a piezoelectric film sensor is extruded under the action of gravity to generate a pressure signal, so that the sensor detects physiological information to determine whether the human body lies on the sleep belt.
Utility model people are realizing the utility model discloses an in-process discovers prior art and has following problem at least: in the sleep belt in the prior art, due to the fact that the posture of a human body lying on the sleep belt is different, the piezoelectric film sensor cannot be extruded, the piezoelectric film sensor cannot be accurately detected, and therefore the sensor cannot accurately judge whether a person lies on the sleep monitor.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the utility model is to provide a sleep monitor device and electronic equipment solves current sleep monitor and can not accurately judge whether someone lies in the technical problem on the sleep monitor.
In order to solve the above technical problem, an embodiment of the present invention provides the following technical solution:
in a first aspect, an embodiment of the present invention provides a sleep monitoring device, which is applied to a sleep belt, including: the piezoelectric film sensor is arranged on one side of the first panel, which faces the second panel, and is used for generating an electric signal according to pressure applied by the first panel and the second panel;
a plurality of bumps are arranged on one surface, far away from the second panel, of the first panel, the bumps are arranged at intervals, and the distance between every two adjacent bumps is 30-45 mm;
when a human body lies on the sleep belt, the weight of the human body enables the first panel to compress the interlayer to be attached to the second panel, so that the piezoelectric film sensor is in a working state, and when the human body leaves the sleep belt, the first panel is separated from the second panel under the action of restoring force of the interlayer, so that the piezoelectric film sensor is in a disconnected state.
Preferably, the bumps are made of EVA materials, and the bump spacing is preferably 30 mm.
Preferably, the interlayer comprises a plurality of sponges, the sponges are arranged at intervals, and the interval between every two adjacent sponges is 10-15 mm.
Preferably, the bumps are arranged opposite to the sponge spacing, and the bump spacing is three times of the sponge spacing.
Preferably, the sleep monitor device still includes membrane switch, first panel orientation the one side of second panel is equipped with electrically conductive carbon film circuit, the second panel orientation the one side of first panel is equipped with electrically conductive silver membrane circuit, membrane switch set up in the one side that the second panel is equipped with electrically conductive silver membrane circuit, electrically conductive silver membrane circuit with electrically conductive carbon film circuit is relative the sponge interval sets up, when the human body lies on the sleep area, human weight can make first panel compression the interlayer is in order to laminate the second panel, so that membrane switch switches on, when the human body leaves during the sleep area, first panel is in break away from under the effect of the restoring force of interlayer the second panel, so that membrane switch breaks off.
Preferably, the first panel and the second panel are both made of TPU.
Preferably, the first panel is provided with first anti-slip lines, the second panel is provided with second anti-slip lines, the first anti-slip lines are arranged on the side, away from the conductive carbon film circuit, of the first panel, and the second anti-slip lines are arranged on the side, away from the conductive silver film circuit, of the second panel.
Preferably, an opening is formed in one end of the sleep monitoring device, the piezoelectric film sensor comprises a first outgoing line, the film switch comprises a second outgoing line, and the first outgoing line and the second outgoing line are connected to external electronic equipment through the opening.
In a second aspect, an embodiment of the present invention provides an electronic device, which is applied to the sleep monitoring apparatus, the electronic device includes: and the signal processor is connected with the sleep monitoring device and used for processing according to the electric signals generated by the piezoelectric film sensor so as to acquire physiological indexes of human physiological signals.
Preferably, the signal processor includes: the pressure sensing signal separation unit is respectively connected with the piezoelectric film sensor and the film switch and is 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.
Compared with the prior art, the beneficial effects of the utility model are that: the first panel and the second panel can be attached to each other no matter a human body lies on the sleep belt or lies on the side due to the fact that the interval between the convex blocks is set to be 30-45mm when the human body lies on the sleep monitoring device, the problem that detection of the piezoelectric film sensor is inaccurate due to the fact that the piezoelectric film sensor cannot be extruded when the human body lies on the sleep belt in different postures is solved, and therefore the piezoelectric film sensor can accurately judge whether a person lies on the sleep belt or not.
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 a sleep monitoring device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an electronic device according to an embodiment of the present invention;
fig. 3 is a schematic diagram of the signal processor in fig. 2.
In the figure: 100. a sleep monitoring device; 10. a first panel; 101. a bump; 20. a second panel; 30. an interlayer; 200. an electronic device; 40. a signal processor; 401. a pressure sensing signal separation unit; 402. a signal amplification unit; 403. a signal filtering unit; 404. a signal judging and identifying unit; 50. and a wireless transmission unit.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Referring to fig. 1, an embodiment of the present invention provides a sleep monitoring device 100, including: the touch panel comprises a first panel 10, a second panel 20, a spacer 30, a piezoelectric film sensor (not shown) and a film switch (not shown), wherein the spacer 30 is disposed between the first panel 10 and the second panel 20, the piezoelectric film sensor is disposed on the first panel 10, the film switch is disposed on the second panel 20, and the first panel 10 is disposed opposite to the second panel 20.
The first panel 10 is provided with a conductive carbon film circuit (not shown), the conductive carbon film circuit is disposed on one surface of the first panel 10 facing the second panel 20, wherein the first panel 10 is made of TPU, the thickness of the first panel 10 is set to be 0.05mm, and the first panel 10 can be better attached to the second panel 20.
The first panel 10 is provided with a bump 101, the bump 101 is arranged on one surface of the first panel 10 departing from the second panel 20, the bump 101 is arranged in a square shape, wherein the bump 101 is made of an EVA (ethylene-vinyl acetate copolymer) material, the thickness of the bump 101 is set to be 1.0mm, and the bump 101 and the following sponge are arranged in a spaced manner.
The bumps 101 are arranged at intervals, wherein the distance between the bumps 101 is 30-45mm, and in the embodiment, the distance between the bumps 101 is preferably 30mm, so that the stressed area of the upper bottom surface can be increased, the first panel 10 is better attached to the second panel 20, and the conduction sensitivity of the membrane switch is improved.
Through studying the surface, the interval between the lugs 101 is one of the important factors influencing the detection sensitivity of the piezoelectric film sensor, the interval between the lugs 101 is too small, so that a human body can not fit the first panel 10 and the second panel 20 on the sleep belt, the piezoelectric film sensor can not be better extruded, the piezoelectric film sensor can not generate pressure signals, and the piezoelectric film sensor can not accurately judge whether a person exists on the sleep belt.
In order to better improve the detection sensitivity of the piezoelectric film sensor, a large number of experimental studies show that by optimizing the spacing between the bumps 101: when the distance between the bumps 101 is 30-45mm, the first panel 10 and the second panel 20 can be better attached to each other, the sensitivity of the piezoelectric film sensor is high, when the distance between the bumps 101 is larger than 45mm, the film switch can be switched on by the weight of a book, when the distance between the bumps 101 is smaller than 30mm, the film switch is not switched on when a human body lies on the sleeping belt, and when the human body lies on the side, the film switch is possibly switched on. The preferred pitch of bumps 101 in this embodiment is 30 mm.
It can be understood that first panel 10 is equipped with first anti-skidding line (not shown), first anti-skidding line set up in first panel 10 deviates from the one side of electrically conductive carbon film circuit, it is specific, first anti-skidding line set up in the upper surface of lug 101, first anti-skidding line adopts anti-skidding cloth (not shown in the figure) preparation, the upper surface of anti-skidding cloth is equipped with stripe (not shown in the figure), the stripe is irregular shape, wherein, the thickness of anti-skidding cloth sets up to 0.5 mm. The arrangement of first anti-skidding line and second anti-skidding line plays the effect of better messenger's human body and sleep monitor contact, improves piezoelectric film sensor's detectivity's effect. The condition that the sleep monitoring device slides or is separated from the human body due to the turning of the human body when the human body lies on the sleep belt is prevented from influencing the detection sensitivity of the piezoelectric film sensor.
The second panel 20 is provided with a conductive silver film circuit (not shown), the conductive silver film circuit is arranged on one surface of the second panel 20 facing the first panel 10, wherein the second panel 20 is made of a Thermoplastic Polyurethane (TPU) elastomer, the TPU elastomer has the characteristics of high wear resistance, wide hardness range, high mechanical strength, good processability and the like, and the thickness of the second panel 20 is set to be 0.1 mm.
It can be understood that second panel 20 is equipped with second anti-skidding line (not shown), the second anti-skidding line set up in second panel 20 deviates from the one side of electrically conductive silver membrane circuit, it is specific, the second anti-skidding line adopts the non-slip fabric preparation, the upper surface that non-slip fabric was is equipped with the stripe, the stripe is irregular shape, wherein, the thickness of non-slip fabric sets up to 0.5 mm.
The partition 30 includes a plurality of sponges, the sponges are spaced at intervals, the sponge spacing is 10-15mm, in this embodiment, the sponge spacing is preferably 10-15mm, the bumps 101 are spaced relative to the sponges, the distance between adjacent bumps 101 is three times the sponge spacing, and it is preferable that the first panel 10 and the second panel 20 are attached to each other, so that the membrane switch is turned on.
The conductive carbon film circuit and the conductive silver film circuit are respectively disposed at the positions of the first panel 10 and the second panel 20 corresponding to the sponge interval.
The density of the sponge is set to 60-70kg/m3The hardness is set to be 20-30, and the thickness of the interlayer 30 is 1.5mm, so that when a human body lies on the sleep monitoring device 100, the interlayer 30 can be compressed under the action of gravity, so that the conductive carbon film circuit on the first panel 10 and the conductive silver film circuit on the second panel 20 are in contact with each other, and the membrane switch is turned on. If the interlayer 30 is too thick, the membrane switch cannot be conducted, or the conductive carbon membrane circuit cannot be fully contacted with the conductive silver membrane circuit, so that the phenomenon of poor contact is caused, if the interlayer 30 is too thin, although the membrane switch can be conducted, under the extrusion of the gravity of a human body, the interlayer 30 is too thin, the conductive carbon membrane circuit and the conductive silver membrane circuit are easily damaged, and when the weight of a book is placed on the sleep monitoring device 100, the conductive silver membrane circuit and the conductive carbon membrane circuit can be contacted, so that the membrane switch is conducted, so that the phenomenon of misoperation of the sleep monitoring device 100 occurs, therefore, a large number of creative experiments are carried out by an inventor, and the better conduction of the membrane switch is realized by optimizing the material of the interlayer 30 and the thickness of the interlayer 30.
And the piezoelectric film sensor comprises a first outgoing line (not shown), the piezoelectric film sensor is arranged on one surface of the first panel 10 facing the second panel 20, and the piezoelectric film sensor is arranged on two sides of the conductive carbon film circuit and is used for generating an electric signal according to the pressure applied by the first panel 10 and the second panel 20.
And a membrane switch including a second lead line (not shown), the membrane switch being disposed on a side of the second panel 20 facing the first panel 10, the membrane switch being disposed on both sides of the conductive silver film circuit.
An opening (not shown) is formed at one end of the sleep monitor device 100, and the first outlet and the second outlet are connected to the external electronic device 200 through the opening.
It is understood that the first panel 10, the second panel 20, and the spacer 30 in this embodiment are formed by hot press molding. The bump 101 and the first panel 10 are also formed by hot press molding.
It is understood that, in some embodiments, the conductive silver film circuit may be disposed on the first panel 10, and the conductive carbon film circuit may be disposed on the second panel 20.
It is understood that in some embodiments, the membrane switch may be turned on by a person lying on the back of the sleep monitor device, so that the sleep monitor device works normally.
The utility model has the advantages that: the first panel 10 and the second panel 20 can be attached to each other no matter a human body lies on the sleep belt or lies on the side because the interval between the lugs 101 is set to be 30-45mm, so that the problem that the detection of the piezoelectric film sensor is inaccurate due to the fact that the piezoelectric film sensor cannot be extruded under the condition that the human body lies on the sleep belt in different postures is solved, and whether a person lies on the sleep belt can be accurately judged by the piezoelectric film sensor.
Referring to fig. 2, an electronic device 200 is applied to the sleep monitoring device 100, and the electronic device 200 is connected to the sleep monitoring device 100, generates a physiological signal according to an electrical signal generated by the piezoelectric film sensor, and processes 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 40 is connected to the sleep monitoring device 100, and is configured to process the electrical signal generated by the sleep monitoring device 100 to obtain a physiological index of a human physiological signal.
The signal processor 40 includes a pressure sensing signal separating unit 401, a signal amplifying unit 402, a signal filtering unit 403, and a signal judging and recognizing unit 404.
And the pressure sensing signal separation unit 401 is connected with the piezoelectric film sensor and 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 can be a filter, and separates and screens the electric signals by setting corresponding parameters, and because the electric signals generated by the piezoelectric film sensor are usually analog electric signals, the analog electric signals of a plurality of required frequency bands can be obtained after the electric signals are separated and screened. 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 402 connected to the pressure sensing signal separating unit 401, for amplifying the analog electrical signal.
And a signal filtering unit 403, connected to the signal amplifying unit 402, for filtering the amplified analog electrical signal to obtain a filtered analog electrical signal of a desired frequency band. The signal filtering unit 403 may further filter out unwanted signals by setting corresponding parameters, and obtain less-interference analog electrical signals of a 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.
And a signal judgment and identification unit 404, connected to the signal filtering unit 403, 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 50 for transmitting the specific index of the physiological signal to a remote device, so as to improve the convenience of collecting the physiological signal of the human body, separate the collection of the physiological signal from the further analysis or unified storage of the physiological signal, facilitate the centralized and unified management of the guardian, and particularly facilitate the guardian to monitor the patient.
The wireless transmission unit 50 may be a bluetooth module or WiFi.
The utility model discloses beneficial effect does: by connecting the sleep monitoring device 100 to the electronic device 200, when the sleep monitoring device 100 is damaged due to bending or other force-ineffectiveness factors, only the sleep monitoring 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.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; within the idea of the invention, also technical features in the above embodiments or in different embodiments can be combined, steps can be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. A sleep monitoring device is applied to a sleep belt, and is characterized by comprising: the piezoelectric film sensor is arranged on one side of the first panel, which faces the second panel, and is used for generating an electric signal according to pressure applied by the first panel and the second panel;
a plurality of bumps are arranged on one surface, far away from the second panel, of the first panel, the bumps are arranged at intervals, and the distance between every two adjacent bumps is 30-45 mm;
when a human body lies on the sleep belt, the weight of the human body enables the first panel to compress the interlayer to be attached to the second panel, so that the piezoelectric film sensor is in a working state, and when the human body leaves the sleep belt, the first panel is separated from the second panel under the action of restoring force of the interlayer, so that the piezoelectric film sensor is in a disconnected state.
2. The sleep monitoring device as claimed in claim 1, wherein the bumps are made of EVA material, and the bump pitch is 30 mm.
3. The sleep monitoring device as claimed in claim 1 or 2, wherein the partition comprises a plurality of sponges, the plurality of sponges being spaced apart, the spacing between adjacent sponges being 10-15 mm.
4. The sleep monitoring device as in claim 3, wherein the bumps are disposed opposite the sponge spacing and the bump spacing is three times the sponge spacing.
5. The sleep monitor device according to claim 3, further comprising a membrane switch, wherein a side of the first panel facing the second panel is provided with a conductive carbon film circuit, a side of the second panel facing the first panel is provided with a conductive silver film circuit, the membrane switch is disposed on a side of the second panel provided with a conductive silver film circuit, the conductive silver film circuit and the conductive carbon film circuit are arranged opposite to the sponge, when a person lies on the sleep belt, the weight of the person causes the first panel to compress the interlayer to fit the second panel, so that the membrane switch is turned on, and when the person leaves the sleep belt, the first panel is separated from the second panel by the restoring force of the interlayer, so that the membrane switch is turned off.
6. A sleep monitoring device as claimed in claim 1 or 2 wherein the first and second panels are each made from TPU.
7. The sleep monitor device according to claim 5, wherein the first panel is provided with a first anti-slip texture, the second panel is provided with a second anti-slip texture, the first anti-slip texture is provided on a side of the first panel away from the conductive carbon film circuit, and the second anti-slip texture is provided on a side of the second panel away from the conductive silver film circuit.
8. The sleep monitor device as claimed in claim 7, wherein an opening is provided at one end of the sleep monitor device, the piezoelectric film sensor includes a first lead wire, the film switch includes a second lead wire, and the first lead wire and the second lead wire are connected to an external electronic device through the opening.
9. An electronic device applied to the sleep monitoring apparatus as claimed in claim 8, wherein the electronic device comprises:
and the signal processor is connected with the sleep monitoring device and used for processing according to the electric signals generated by the piezoelectric film sensor so as to acquire physiological indexes of human physiological signals.
10. The electronic device of claim 9, wherein the signal processor comprises:
the pressure sensing signal separation unit is respectively connected with the piezoelectric film sensor and the film switch and is 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 |
|---|---|---|---|
| CN201821767609.1U CN209826674U (en) | 2018-10-30 | 2018-10-30 | Sleep monitoring device and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821767609.1U CN209826674U (en) | 2018-10-30 | 2018-10-30 | Sleep monitoring device and electronic equipment |
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| Publication Number | Publication Date |
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| CN209826674U true CN209826674U (en) | 2019-12-24 |
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| CN201821767609.1U Active CN209826674U (en) | 2018-10-30 | 2018-10-30 | Sleep monitoring device and electronic equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112312478A (en) * | 2020-10-31 | 2021-02-02 | 南京大陆豪薄膜开关技术有限公司 | Application system based on membrane switch and application method thereof |
-
2018
- 2018-10-30 CN CN201821767609.1U patent/CN209826674U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112312478A (en) * | 2020-10-31 | 2021-02-02 | 南京大陆豪薄膜开关技术有限公司 | Application system based on membrane switch and application method thereof |
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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. |
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| CP01 | Change in the name or title of a patent holder |