CN110367929B - Sleep monitoring system and monitoring method thereof - Google Patents
Sleep monitoring system and monitoring method thereof Download PDFInfo
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- A—HUMAN NECESSITIES
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- A—HUMAN NECESSITIES
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Abstract
The invention discloses a sleep monitoring system, comprising: the device comprises a transmitter unit, an optical receiver unit, an optical fiber sensing layer, a pressure sensing layer and a control module. X first optical fibers and Y second optical fibers are connected between the transmitter unit and the optical receiver unit; the optical fiber sensing layer is composed of X first optical fibers and Y second optical fibers; the pressure sensing layer is internally provided with X first sensing point positions and Y second sensing point positions and is used for detecting the lying position of the testers and the total number of the testers; the control module selectively reads the optical signals transmitted by a certain first optical fiber or a certain second optical fiber according to the lying position of the testing personnel and the total number of the testing personnel, and generates single-person sleep monitoring data or double-person sleep monitoring data according to the read optical signals. The invention can be used for monitoring the sleep of a single person and can also be used for monitoring the sleep of double persons.
Description
Technical Field
The invention relates to the technical field of sleep monitoring, in particular to a sleep monitoring system and a monitoring method thereof.
Background
With the current aging society of China and the continuous increase of the number of people suffering from heart diseases, respiratory diseases and other diseases, night sleep monitoring becomes a new field of the current health management industry.
At present, main sleep monitoring products in the market, such as sleep monitoring mattresses, are tested by single people, and sleep monitoring products shared by multiple people in a family are not developed yet, so that the family popularization rate is low. Moreover, if a plurality of single sleep monitoring mattresses are arranged side by side for sleep monitoring of a plurality of people, the test result has larger deviation when the user moves the position in the sleep process.
The market has not appeared for a while and many people sleep monitoring equipment that is suitable for both single and be applicable.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a sleep monitoring system which can be used for monitoring sleep of not only a single person but also two persons.
In order to achieve the purpose, the invention adopts the following technical scheme that:
a sleep monitoring system comprising: an optical transmitter unit, an optical receiver unit, a sleep device, a control module; the sleep device is used for a tester to lie on the sleep device for sleep monitoring, and an optical fiber sensing layer and a pressure sensing layer are arranged in the sleep device;
the optical transmitter unit is used for transmitting an optical signal; the optical receiver unit is used for receiving an optical signal;
a plurality of optical fibers are connected between the optical transmitter unit and the optical receiver unit, and are all used for transmitting optical signals;
the optical fiber sensing layer is composed of a plurality of optical fibers;
the output end of the optical receiver unit is connected to the control module; the optical receiver unit respectively sends the optical signals transmitted by the optical fibers to the control module;
the pressure sensing layer is laid right below the optical fiber sensing layer; the pressure sensing layer is composed of a pressure sensing circuit, and the output end of the pressure sensing layer is connected to the control module; the pressure sensing layer sends the detection data of the pressure sensing circuit to the control module;
the control module generates the lying position of the testing personnel and the total number of the testing personnel according to the detection data of the pressure sensing circuit, the pressure increase area detected by the pressure sensing layer is the lying position of the testing personnel, and the total number of the pressure increase area detected by the pressure sensing layer is the total number of the testing personnel;
the control module selects and reads the optical signals transmitted by one optical fiber or two optical fibers from the optical fibers according to the lying position of the testing personnel and the total number of the testing personnel, and generates the sleep monitoring data of one testing personnel or two testing personnel correspondingly according to the read optical signals.
X first optical fibers and Y second optical fibers are connected between the optical transmitter unit and the optical receiver unit; namely, the optical fiber sensing layer consists of X first optical fibers and Y second optical fibers;
the optical receiver unit respectively sends the optical signals transmitted by the X first optical fibers and the Y second optical fibers to the control module;
if the total number of the testers is one, the control module selectively reads an optical signal transmitted by a certain first optical fiber or a certain second optical fiber from the X first optical fibers or the Y second optical fibers according to the lying position of the testers, and generates sleep monitoring data of the testers according to the read optical signal;
if the total number of the testers is two, the control module respectively selects and reads the optical signals transmitted by a certain first optical fiber from the X first optical fibers and selects and reads the optical signals transmitted by a certain second optical fiber from the Y second optical fibers according to the lying positions of the two testers, and respectively generates the sleep monitoring data of the two testers according to the two read optical signals.
The optical transmitter unit includes a first optical transmitter and a second optical transmitter, and the optical receiver unit includes X first optical receivers and Y second optical receivers;
the input ends of the X first optical fibers are connected with the first optical transmitters, and the output ends of the X first optical fibers are respectively connected with the X first optical receivers, namely the first optical transmitters respectively transmit optical signals to the X first optical receivers through the X first optical fibers;
the input ends of the Y second optical fibers are connected with the second optical transmitters, and the output ends of the Y second optical fibers are respectively connected with the Y second optical receivers, namely the second optical transmitters respectively transmit optical signals to the Y second optical receivers through the Y second optical fibers;
the optical fiber arrangement mode in the optical fiber induction layer is as follows:
the X first optical fibers and the Y second optical fibers are laid along the width direction of the sleep device; the direction of the X first optical fibers from the input end to the output end is opposite to the direction of the Y second optical fibers from the input end to the output end;
the X first optical fibers and the Y second optical fibers are not overlapped;
the lengths of the X first optical fibers are different;
the lengths of the Y second optical fibers are different;
the output end of each first optical fiber, namely an end point connected with a first optical receiver, is called a first mark point, and X first mark points are provided in total;
the output end of each second optical fiber, namely the end point connected with the second optical receiver, is called a second mark point, and the total number of the second mark points is Y.
The optical transmitter unit includes a first optical transmitter and a second optical transmitter, and the optical receiver unit includes a first optical receiver and a second optical receiver; x first optical fibers are connected between the first optical receiver and the first optical transmitter, and Y second optical fibers are connected between the second optical receiver and the second optical transmitter;
the optical fiber arrangement mode in the optical fiber induction layer is as follows:
the X first optical fibers and the Y second optical fibers are laid along the width direction of the sleep device; the direction of the X first optical fibers from the input end to the output end is opposite to the direction of the Y second optical fibers from the input end to the output end;
the X first optical fibers and the Y second optical fibers are not overlapped;
the lengths of the X first optical fibers are different;
the lengths of the Y second optical fibers are different;
the rear end of each first optical fiber is connected with an optical fiber which is vertical to the laying direction of the first optical fiber, and an optical signal is transmitted to a first optical receiver through the optical fiber which is vertical to the laying direction of the optical fiber; the output end of each first optical fiber, namely the connection point of the output end of each first optical fiber and the optical fiber perpendicular to the laying direction of the first optical fiber, is called as a first mark point, and X first mark points are provided in total;
an optical fiber which is perpendicular to the laying direction of the second optical fiber is also connected behind the output end of each second optical fiber, and an optical signal is transmitted to a second optical receiver through the optical fiber which is perpendicular to the laying direction of the optical fiber; the output end of each second optical fiber, namely, the connection point with the optical fiber perpendicular to the laying direction of the second optical fiber is called a second mark point, and Y second mark points are provided in total.
The lengths of the X first optical fibers are sequentially increased, and the range of the increasing length difference l1 is 10 cm-20 cm; the X first mark points sequentially progress from left to right along the laying direction of the optical fibers, and the progressive distance d1 is the incremental length difference l1 of the first optical fibers;
the lengths of the Y second optical fibers are sequentially increased, and the range of the decreased length difference l2 is 10 cm-20 cm; the Y second mark points sequentially and equidistantly advance from right to left along the laying direction of the optical fiber, and the progressive distance d2 is the incremental length difference l2 of the second optical fiber.
X first induction point positions and Y second induction point positions are arranged in the pressure induction layer; wherein,
the distribution mode of the X first sensing point positions is as follows:
the X first sensing point positions respectively correspond to the X first optical fibers in the optical fiber sensing layer and are respectively and correspondingly positioned right below the X first mark points;
the distribution mode of the Y second sensing point positions is as follows:
the Y second sensing point positions respectively correspond to the Y second optical fibers in the optical fiber sensing layer and are respectively and correspondingly located right below the Y second mark points.
When the single sleep monitoring is carried out, the method for monitoring the single sleep comprises the following steps:
the pressure sensing layer detects a pressure increasing area, and the detected position of the pressure increasing area is the lying position of the testing personnel;
the control module finds out the first optical fiber with the longest optical fiber length corresponding to all the first sensing points in the pressure increasing area from all the first sensing points in the pressure increasing area, reads the optical signal transmitted by the longest first optical fiber, and generates the sleep monitoring data of the tester according to the read optical signal.
When the double-person sleep monitoring is carried out, the method for monitoring the double-person sleep comprises the following steps:
the pressure sensing layer detects two pressure increasing areas, and the detected positions of the two pressure increasing areas are the lying positions of the two testers respectively; taking the pressure increase area close to the left side of the sleeping device as an area A, and taking the pressure increase area close to the right side of the sleeping device as an area B;
the control module finds out a first optical fiber with the longest optical fiber length corresponding to all the first sensing points in the area A from all the first sensing points in the area A, reads an optical signal transmitted by the longest first optical fiber, and generates sleep monitoring data of a tester lying on the area A according to the read optical signal;
finding out the second optical fiber with the longest optical fiber length corresponding to all the second sensing points in the B area from all the second sensing points in the B area, reading the optical signal transmitted by the longest second optical fiber, and generating sleep monitoring data of the tester lying on the B area according to the read optical signal.
The invention has the advantages that:
(1) the invention adopts the pressure sensing layer to detect the lying position of the tester and the total number of the tester, so that the control module can selectively read the optical signals transmitted by a certain first optical fiber and/or a certain second optical fiber from the optical fiber layer.
(2) The double-optical-fiber sleep monitoring system is provided with the two optical transmitters and the plurality of optical receivers, and when the double-person sleep monitoring is carried out, the optical signal data transmitted by a certain two optical fibers are respectively and independently acquired from the plurality of optical receivers.
(3) The first optical fiber and the second optical fiber in the optical fiber sensing layer designed by the invention are positioned right below the chest of a tester, so that the body vibration caused by chest respiration and heartbeat of the tester can be detected. The plurality of optical fibers in the optical fiber sensing layer are all not overlapped, so that the service life and the detection sensitivity of the product are effectively guaranteed.
(4) The invention monitors the sleep data of different areas by controlling the change of the length of the optical fibers, thereby realizing the monitoring of the sleep of two persons, and the mode of directly arranging an optical receiver behind the output end of each optical fiber is adopted, so that the distinguishing effect of the sleep data of the two persons is better.
(5) Because the tester lies on the sleep equipment, the chest part of the tester is arranged right above X first optical fibers, Y second optical fibers and the like, an optical fiber vertical to the laying direction of the first optical fibers or the second optical fibers is connected behind the output end of each first optical fiber and each second optical fiber, in fact, the vertical optical fiber is not arranged right below the chest part of the tester, namely, the optical signal transmitted by the vertical optical fiber can not change according to the chest respiration and heartbeat of the tester, and the design mode can reduce the cost on the basis of realizing the monitoring of double-person sleep
(6) According to the invention, the sensing point positions are respectively and correspondingly designed according to the connection points of each optical fiber and the data line thereof, and according to the lying position of a tester, a certain sensing point position corresponding to the tester is firstly found out; and reading an optical signal transmitted by a certain optical fiber corresponding to the sensing point position, thereby realizing single-person sleep monitoring and double-person sleep monitoring.
(7) When the single sleep monitoring is carried out, the optical signal transmitted by a certain optical fiber is selected from one optical receiver, and the single sleep monitoring is realized according to the optical signal.
(8) When the double-person sleep monitoring is carried out, firstly, each tester corresponds to each optical receiver according to the lying positions of two testers, then, an optical signal transmitted by a certain optical fiber is selected from the optical receivers corresponding to the testers, and the double-person sleep monitoring is realized according to the optical signal.
Drawings
Fig. 1 is an overall schematic diagram of a sleep monitoring system according to the present invention.
Fig. 2 is a schematic internal structural diagram of a sleep monitoring system according to a first embodiment.
Fig. 3 is a schematic view of the single person sleep monitoring according to the first embodiment.
Fig. 4 is a schematic diagram of the double sleep monitoring according to the first embodiment.
Fig. 5 is a schematic internal structural diagram of a sleep monitoring system according to a second embodiment.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
as shown in fig. 1 and 2, a sleep monitoring system includes the following components: an optical transmitter unit 1, an optical receiver unit 2, a sleep device, a control module 5; the sleep equipment is used for a tester to lie flat thereon for sleep monitoring, such as a mattress, a test pad and the like, and the sleep equipment is provided with: optical fiber sensing layer 3, pressure sensing layer 4.
The optical transmitter unit 1 is configured to emit an optical signal, the optical receiver unit 2 is configured to receive the optical signal, and a plurality of optical fibers are connected between the optical transmitter unit 1 and the optical receiver unit 2 and are all configured to transmit the optical signal.
The optical fiber sensing layer 3 is composed of a plurality of optical fibers;
the optical fiber sensing layer 3 is laid in the sleep equipment, when a tester lies on the sleep equipment, the plurality of optical fibers are all located under the chest position of the tester, body vibration is caused by chest respiration and heartbeat of the tester, the optical signals transmitted by the optical fibers in the optical fiber sensing layer 3 are changed due to the body vibration, and the changed optical signals are sent to the optical receiver unit 2.
In particular, the method comprises the following steps of,
the optical transmitter unit 1 includes: a first optical transmitter 101, a second optical transmitter 102; and the first optical transmitter 101 and the second optical transmitter 102 are both used for emitting optical signals;
the optical receiver unit 2 includes: x first light receivers 201 and Y second light receivers 202; the X first optical receivers 201 and the Y second optical receivers 202 are used for receiving optical signals;
x first optical fibers 301 and Y second optical fibers 302 are connected between the optical transmitter unit 1 and the optical receiver unit 2;
the input ends of the X first optical fibers 302 are all connected to the first optical transmitter 101, and the output ends of the X first optical fibers 301 are respectively connected to the X first optical receivers 201, that is, the first optical transmitter 101 respectively transmits the optical signals to the X first optical receivers 201 through the X first optical fibers 301; the output end of each first optical receiver 201 is connected to the control module 5, and respectively sends the received optical signal transmitted by each first optical fiber 301 to the control module 5; the first optical receiver 201 and the control module 5 can be connected in a wired or wireless manner;
the input ends of the Y second optical fibers 302 are all connected to the second optical transmitter 102, and the output ends of the Y second optical fibers 302 are respectively connected to the Y second optical receivers 202, that is, the second optical transmitter 102 respectively transmits the optical signals to the Y second optical receivers 202 through the Y second optical fibers 302; the output end of each second optical receiver 202 is also connected to the control module 5, and respectively sends the received optical signal transmitted by each second optical fiber 302 to the control module 5; the second optical receiver 202 and the control module 5 can be connected in a wired or wireless manner.
The optical fiber sensing layer 3 is composed of X first optical fibers 301 and Y second optical fibers 302;
the optical fiber arrangement mode in the optical fiber induction layer 3 is as follows:
the X first optical fibers 301 and the Y second optical fibers 302 are laid along the width direction of the sleep device; the width direction of the sleeping device is perpendicular to the height direction of the human body;
the direction of the X first optical fibers 301 from the input end to the output end is opposite to the direction of the Y second optical fibers 302 from the input end to the output end; specifically, the first optical transmitter 101 is placed on the left side of the sleep device, and the directions of the X first optical fibers 301 from the input end to the output end are from left to right; placing the second optical transmitter 102 on the right side of the sleep device with the direction of the Y second optical fibers 302 from the input end to the output end from right to left;
the X first optical fibers 301 and the Y second optical fibers 302 are not overlapped;
the lengths of the first optical fibers 301 are different and are sequentially increased in an increasing manner, and the increasing length difference l1 ranges from 10cm to 20 cm;
the lengths of the second optical fibers 302 are different and are sequentially increased in an increasing manner, and the increasing length difference l2 ranges from 10cm to 20 cm;
the output end of each first optical fiber 301, i.e., the connection end point with the first optical receiver 201, is referred to as a first marker 3011, and there are X first marker 3011; the X first marking points 3011 sequentially advance from left to right along the fiber laying direction, and the distance d1 of the advance is the incremental length difference l1 of the first optical fiber 301;
the output end of each second optical fiber 302, i.e., the connection end point with the second optical receiver 202, is referred to as a second marker 3021, and there are Y second markers 3021; the Y second marker points 3021 are sequentially and equidistantly advanced from right to left along the fiber laying direction, and the advanced distance d2 is the decreasing length difference l2 of the second optical fiber 302.
The pressure sensing layer 4 is also laid in the sleep device, and the pressure sensing layer 4 is laid right below the optical fiber sensing layer 3; the pressure sensing layer 4 is composed of a pressure sensing circuit, the output end of the pressure sensing layer 4 is connected to the control module 5, and the pressure sensing layer 4 sends the detection data of the pressure sensing circuit to the control module 5;
the pressure sensing layer 4 is further provided with X first sensing points 401 and Y second sensing points 402, wherein,
the X first sensing point locations 401 respectively correspond to the X first optical fibers 301 in the optical fiber sensing layer 3, and are respectively and correspondingly located right below each first mark point 3011;
the Y second sensing point locations 402 respectively correspond to the Y second optical fibers 302 in the optical fiber sensing layer 3, and are respectively and correspondingly located right below each second mark point 3021.
The control module 5 generates the lying position of the testers and the total number of the testers according to the detection data of the pressure induction line; if the pressure induction layer 4 detects two pressure increase areas, double-person sleep monitoring is carried out, namely two testers exist, and the detected positions of the two pressure increase areas are the lying positions of the two testers; if the pressure induction layer 4 detects a pressure increase area, the single-person sleep monitoring is carried out, namely a tester exists, and the detected position of the pressure increase area is the lying position of the tester;
the control module 5 is used for controlling the test bed according to the lying position of the test personnel and the total number of the test personnel,
if the single-person test is performed, the control module 5 selectively reads the optical signal transmitted by the certain optical fiber and generates sleep monitoring data of the tester according to the read optical signal transmitted by the optical fiber;
if the test is a double test, the control module 5 selectively and respectively reads the optical signals transmitted by a certain first optical fiber 301 and a certain second optical fiber 302 according to the lying positions of the two testers, and respectively generates sleep monitoring data of the two testers according to the read optical signals transmitted by the first optical fiber 301 and the read optical signals transmitted by the second optical fiber 302.
The monitoring method of the sleep monitoring system based on the invention specifically comprises the following steps:
s1, judging the total number of the testers, namely the number of the detected pressure increase areas, and if the single-person sleep monitoring is carried out, namely only one pressure increase area is detected, entering the step S2; if the sleep monitoring is double sleep monitoring, namely two pressure increase areas are detected, the step S3 is carried out;
s2, the control module 5 only reads the first optical fiber 301 with the longest optical fiber length corresponding to all the first sensing points 401 in the pressure increase area from all the first sensing points 401 in the pressure increase area, reads the optical signal transmitted by the longest first optical fiber 301, and generates the sleep monitoring data of the tester according to the read optical signal;
s3, setting the pressure increase area near the left side of the sleep device as area a and the pressure increase area near the right side of the sleep device as area B;
the control module 5 finds out the first optical fiber 301 with the longest optical fiber length corresponding to all the first sensing points 401 in the area a from all the first sensing points 401 in the area a, reads the optical signal transmitted by the longest first optical fiber 301, and generates sleep monitoring data of the tester lying on the area a according to the read optical signal;
the control module 5 finds out the second optical fiber 302 with the longest optical fiber length corresponding to all the second sensing points 402 in the B region from all the second sensing points 402 in the B region, reads the optical signal transmitted by the longest second optical fiber 302, and generates sleep monitoring data of the tester lying on the B region according to the read optical signal.
In steps S2 and S3, when the tester lies on the sleep device, the propagation of the optical signal transmitted in the optical fiber may change due to the minute vibrations of the body caused by the chest respiration and the heartbeat, and the control module 5 calculates the sleep monitoring data of the tester, such as the heart rate and the respiration, according to the change of the optical signal, and the specific calculation method refers to the prior art.
As shown in fig. 2, in the first embodiment, the sleep device is a test pad;
in the optical fiber sensing layer 3, X ═ Y ═ N, that is, the optical fiber sensing layer 3 includes N first optical fibers 301 and N second optical fibers 302;
the N first optical fibers 301 are sequentially: 1n1,1n2,1n3, …,1 nN; the lengths of the N first optical fibers 301, namely 1N1,1N2,1N3, … and 1nN are all different and are sequentially decreased, and the value of the decreased length difference l1 is 15 cm;
the N second optical fibers 302 are sequentially: 2n1,2n2,2n3, …,2 nN; the lengths of the N second optical fibers 302, i.e., 2N1,2N2,2N3, … and 2nN are all different and are sequentially decreased, and the value of the decreased length difference l2 is 15 cm;
the output ends of the N first optical fibers 301, i.e. 1N1,1N2,1N3, …,1nN, i.e. the connection end points with the first optical receiver 201, are sequentially 1N1 ', 1N 2', 1N3 ', …,1 nN', i.e. the N first marker points 3011 are sequentially: 1n1 ', 1n 2', 1n3 ', …,1 nN'; the N first marker points 3011 sequentially advance from left to right along the optical fiber laying direction, where the distance d1 of the advance is the incremental length difference l1 of the first optical fiber 301, that is, d1 is equal to l1 is equal to 15 cm;
the connection end points of the N second optical fibers 302, i.e., 2N1,2N2,2N3, …,2nN, i.e., the output end, and the second optical receiver 202 are sequentially 2N1 ', 2N 2', 2N3 ', …,2 nN', i.e., the N second marker points 3021 are sequentially: 2n1 ', 2n 2', 2n3 ', …,2 nN'; the N second marker points 3021 sequentially advance from right to left along the fiber laying direction, where the distance d2 of the advance is the length difference l2 of the second optical fiber 302, that is, d2 is equal to l2 is equal to 15 cm;
the N first sensing points 401 respectively located directly below the N first marker points 3011, i.e., 1N1 ', 1N 2', 1N3 ', …, and 1 nN' are sequentially: 1m1,1m2,1m3, … 1 mN;
the N second sensing points 402 respectively located directly below the N second marker points 3021, i.e., 2N1 ', 2N 2', 2N3 ', …, and 2 nN', are sequentially: 2m1,2m2,2m3, … 2 mN;
as shown in fig. 3, a specific method of monitoring sleep of a single person based on the first embodiment is as follows:
the testing personnel A lie on the testing pad, the pressure induction layer 4 detects a pressure increase area, namely the lying position of the testing personnel A;
the control module 5 reads the optical signal transmitted by the longest first optical fiber 301, that is, 1n3, from among all the first sensing points 401, that is, 1m2 and 1m3, located in the pressure increase area, where the first optical fiber corresponding to 1m2 is 1n2, the first optical fiber corresponding to 1m3 is 1n3, and the length of 1n2 is less than that of 1n3, so that the first optical fiber 301 with the longest optical fiber length corresponding to all the first sensing points 401 in the pressure increase area is 1n3, and the control module 5 generates the sleep monitoring data of the test person a according to the read optical signal transmitted by 1n 3.
As shown in fig. 4, based on the specific manner of the double sleep monitoring of the first embodiment, as shown below,
the first testing personnel and the second testing personnel are both horizontally laid on the testing pad, and the pressure sensing layer 4 detects two pressure increasing areas, namely the lying positions of the first testing personnel and the second testing personnel;
taking the pressure increase area close to the left side of the sleeping device as an area A, and taking the pressure increase area close to the right side of the sleeping device as an area B;
the control module 5 reads the optical signals transmitted by the longest first optical fiber 301, namely 1n2, from the first sensing points 401, namely 1m1 and 1m2, located in the a region, wherein the first optical fiber corresponding to 1m1 is 1n1, the first optical fiber corresponding to 1m2 is 1n2, and the length of 1n1 is less than that of 1n2, so that the first optical fiber 301 with the longest optical fiber length corresponding to all the first sensing points 401 in the a region is 1n2, and generates sleep monitoring data of the tester, namely tester a, lying on the a region according to the read optical signals transmitted by 1n 2;
the control module 5 reads the optical signals transmitted by the longest second optical fiber 301, that is, 2n2, from the second sensing points 402, that is, 2m1 and 2m2, located in the B region, where the second optical fiber corresponding to 2m1 is 2n1, the second optical fiber corresponding to 2m2 is 2n2, and the length of 2n1 is smaller than the length of 2n2, so that the second optical fiber 301, that is, the longest optical fiber corresponding to all the second sensing points 402 in the B region, is 2n2, and generates sleep monitoring data of the test person, that is, the test person B, lying on the B region according to the read optical signals transmitted by 2n 2.
Considering that the light receiving unit 2 in the first embodiment needs to be provided with a plurality of light receivers, which is costly, adaptive changes are made for the light receiver portion and the optical fiber sensing layer portion, and a second embodiment corresponding thereto is given:
as shown in fig. 3, the optical receiver unit 2 includes only one first optical receiver 201 and one second optical receiver 202, X first optical fibers 301 are connected between the first optical receiver 201 and the first optical transmitter 101, and Y second optical fibers 302 are connected between the second optical receiver 202 and the second optical transmitter 102;
the X first optical fibers 301 and the Y second optical fibers 302 are laid along the width direction of the sleep device; the direction of the X first optical fibers 301 from the input end to the output end is opposite to the direction of the Y second optical fibers 302 from the input end to the output end; placing the first optical transmitter 101 on the left side of the sleep device, wherein the direction from the input end to the output end of the X first optical fibers 301 is from left to right; placing the second optical transmitter 102 on the right side of the sleep device with the direction of the Y second optical fibers 302 from the input end to the output end from right to left;
the X first optical fibers 301 and the Y second optical fibers 302 are not overlapped;
the lengths of the first optical fibers 301 are different and are sequentially increased in an increasing manner, and the increasing length difference l1 ranges from 10cm to 20 cm;
the lengths of the second optical fibers 302 are different and are sequentially increased in an increasing manner, and the increasing length difference l2 ranges from 10cm to 20 cm;
an optical fiber perpendicular to the first optical fiber laying direction is connected behind the output end of each first optical fiber 301, and an optical signal is transmitted to the first optical receiver 201 through the optical fiber perpendicular to the optical fiber laying direction;
an optical fiber perpendicular to the second optical fiber laying direction is also connected behind the output end of each second optical fiber 302, and an optical signal is transmitted to the second optical receiver 202 through the optical fiber perpendicular to the optical fiber laying direction;
the output end of each first optical fiber 301, namely the connection point with the optical fiber perpendicular to the laying direction of the first optical fiber, is called a first mark point 3011, and there are X first mark points 3011; the X first marking points 3011 sequentially advance from left to right along the fiber laying direction, and the distance d1 of the advance is the incremental length difference l1 of the first optical fiber 301;
the output end of each second optical fiber 302, that is, the connection point with the optical fiber perpendicular to the second optical fiber laying direction, is called a second mark point 3021, and there are Y second mark points 3021; the Y second marker points 3021 are sequentially and equidistantly advanced from right to left along the fiber laying direction, and the advanced distance d2 is the decreasing length difference l2 of the second optical fiber 302.
The second embodiment is designed for the optical fiber sensing layer because: because the tester lies on the sleeping device, the chest part of the tester is positioned right above X first optical fibers 301 and Y second optical fibers 302, and an optical fiber vertical to the laying direction of the first or second optical fibers is connected behind the output end of each first optical fiber 301 and each second optical fiber 302, in fact, the optical fiber is equivalent to the fact that the vertical optical fiber is not positioned right below the chest part of the tester, namely, the optical signal transmitted by the vertical optical fiber cannot change according to the chest respiration and heartbeat of the tester; moreover, even if the optical signal transmitted by the vertical optical fiber changes due to the posture change of the tester during sleeping or other reasons, the change can be easily filtered out.
The processing methods of the optical transmitter unit 1, the pressure sensitive layer 4, and the control module 5 in the second embodiment are the same as those in the first embodiment.
The pressure sensing layer 4 is still provided with X first sensing point locations 401 and Y second sensing point locations 402, wherein the X first sensing point locations 401 respectively correspond to the X first optical fibers 301 in the optical fiber sensing layer 3, and are respectively and correspondingly located right below each first marking point 3011; the Y second sensing point locations 402 respectively correspond to the Y second optical fibers 302 in the optical fiber sensing layer 3, and are respectively and correspondingly located right below each second mark point 3021.
The invention is not to be considered as limited to the specific embodiments shown and described, but is to be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A sleep monitoring system, comprising: an optical transmitter unit (1), an optical receiver unit (2), a sleep device, a control module (5); the sleep equipment is used for a tester to lie on the sleep equipment for sleep monitoring, and an optical fiber sensing layer (3) and a pressure sensing layer (4) are arranged in the sleep equipment;
the optical transmitter unit (1) is used for emitting an optical signal; the optical receiver unit (2) is used for receiving an optical signal;
a plurality of optical fibers are connected between the optical transmitter unit (1) and the optical receiver unit (2), and are all used for transmitting optical signals;
the optical fiber sensing layer (3) is composed of a plurality of optical fibers;
the output end of the optical receiver unit (2) is connected to the control module (5); the optical receiver unit (2) respectively sends the optical signals transmitted by the optical fibers to the control module (5);
the pressure sensing layer (4) is also paved in the sleep equipment and is paved right below the optical fiber sensing layer (3); the pressure sensing layer (4) is composed of a pressure sensing circuit, and the output end of the pressure sensing layer (4) is connected to the control module (5); the pressure sensing layer (4) sends detection data of a pressure sensing circuit to the control module (5);
the control module (5) generates the lying position of the tester and the total number of the tester according to the detection data of the pressure sensing circuit, the pressure increase area detected by the pressure sensing layer (4) is the lying position of the tester, and the total number of the pressure increase area detected by the pressure sensing layer (4) is the total number of the tester;
the control module (5) selects and reads the optical signals transmitted by one optical fiber or two optical fibers from the optical fibers according to the lying position of the testing personnel and the total number of the testing personnel, and generates sleep monitoring data of one testing personnel or two testing personnel correspondingly according to the read optical signals;
x first optical fibers (301) and Y second optical fibers (302) are connected between the optical transmitter unit (1) and the optical receiver unit (2); namely, the optical fiber sensing layer (3) is composed of X first optical fibers (301) and Y second optical fibers (302);
the optical receiver unit (2) respectively transmits the optical signals transmitted by the X first optical fibers (301) and the Y second optical fibers (302) to the control module (5);
if the total number of the testers is one, the control module (5) selects and reads the optical signals transmitted by a certain first optical fiber (301) or a certain second optical fiber (302) from the X first optical fibers (301) or the Y second optical fibers (302) according to the lying position of the testers, and generates sleep monitoring data of the testers according to the read optical signals;
if the total number of the testers is two, the control module (5) selects and reads the optical signals transmitted by a certain first optical fiber (301) from the X first optical fibers (301) and selects and reads the optical signals transmitted by a certain second optical fiber (302) from the Y second optical fibers (302) according to the lying positions of the two testers, and respectively generates sleep monitoring data of the two testers according to the two read optical signals.
2. The sleep monitoring system of claim 1,
the optical transmitter unit (1) comprises a first optical transmitter (101) and a second optical transmitter (102), the optical receiver unit (2) comprises X first optical receivers (201) and Y second optical receivers (202);
the input ends of X first optical fibers (301) are connected with the first optical transmitter (101), and the output ends of the X first optical fibers (301) are respectively connected with the X first optical receivers (201), namely, the first optical transmitter (101) respectively transmits optical signals to the X first optical receivers (201) through the X first optical fibers (301);
the input ends of the Y second optical fibers (302) are connected with the second optical transmitter (102), and the output ends of the Y second optical fibers (302) are respectively connected with the Y second optical receivers (202), namely, the second optical transmitter (102) respectively transmits optical signals to the Y second optical receivers (202) through the Y second optical fibers (302);
the optical fiber arrangement mode in the optical fiber induction layer (3) is as follows:
x first optical fibers (301) and Y second optical fibers (302) are laid along the width direction of the sleep device; the direction of the X first optical fibers (301) from the input end to the output end is opposite to the direction of the Y second optical fibers (302) from the input end to the output end;
the X first optical fibers (301) and the Y second optical fibers (302) are not overlapped;
the lengths of the X first optical fibers (301) are all inconsistent;
the Y second optical fibers (302) have different lengths;
the output end of each first optical fiber (301), namely the end point connected with the first optical receiver (201), is called a first marking point (3011), and X first marking points (3011) are in total;
the output end of each second optical fiber (302), i.e. the end point connected with the second optical receiver (202), is called a second mark point (3021), and the total number of the second mark points (3021) is Y.
3. A sleep monitoring system according to claim 1, characterized in that the optical transmitter unit (1) comprises a first optical transmitter (101) and a second optical transmitter (102), the optical receiver unit (2) comprises a first optical receiver (201) and a second optical receiver (202); x first optical fibers (301) are connected between the first optical receiver (201) and the first optical transmitter (101), and Y second optical fibers (302) are connected between the second optical receiver (202) and the second optical transmitter (102);
the optical fiber arrangement mode in the optical fiber induction layer (3) is as follows:
x first optical fibers (301) and Y second optical fibers (302) are laid along the width direction of the sleep device; the direction of the X first optical fibers (301) from the input end to the output end is opposite to the direction of the Y second optical fibers (302) from the input end to the output end;
the X first optical fibers (301) and the Y second optical fibers (302) are not overlapped;
the lengths of the X first optical fibers (301) are all inconsistent;
the Y second optical fibers (302) have different lengths;
an optical fiber perpendicular to the laying direction of the first optical fiber is connected behind the output end of each first optical fiber (301), and an optical signal is transmitted to a first optical receiver (201) through the optical fiber perpendicular to the laying direction of the optical fiber; the output end of each first optical fiber (301), namely the connection point of the output end of each first optical fiber (301) and the optical fiber perpendicular to the laying direction of the first optical fiber is called a first marking point (3011), and the total number of the first marking points (3011) is X;
an optical fiber which is perpendicular to the laying direction of the second optical fiber is also connected behind the output end of each second optical fiber (302), and an optical signal is transmitted to the second optical receiver (202) through the optical fiber which is perpendicular to the laying direction of the optical fiber; the output end of each second optical fiber (302), namely the connection point of the optical fiber perpendicular to the second optical fiber laying direction is called a second mark point (3021), and the total number of the second mark points (3021) is Y.
4. A sleep monitoring system as claimed in claim 2 or 3,
the lengths of the X first optical fibers (301) are sequentially increased, and the range of the increasing length difference l1 is 10 cm-20 cm; the X first marking points (3011) sequentially advance from left to right along the laying direction of the optical fibers, and the progressive distance d1 is the incremental length difference l1 of the first optical fibers (301);
the lengths of the Y second optical fibers (302) are sequentially increased, and the range of the decreasing length difference l2 is 10 cm-20 cm; the Y second mark points (3021) are sequentially and equidistantly advanced from right to left along the fiber laying direction, and the advanced distance d2 is the incremental length difference l2 of the second optical fiber (302).
5. A sleep monitoring system as claimed in claim 2 or 3, characterized in that X first sensing points (401) and Y second sensing points (402) are provided in the pressure sensing layer (4); wherein,
the distribution mode of the X first sensing points (401) is as follows:
the X first sensing point positions (401) correspond to the X first optical fibers (301) in the optical fiber sensing layer (3) respectively and are located right below the X first marking points (3011) respectively and correspondingly;
the distribution mode of the Y second sensing points (402) is as follows:
the Y second sensing point positions (402) respectively correspond to the Y second optical fibers (302) in the optical fiber sensing layer (3) and are respectively and correspondingly located under the Y second mark points (3021).
6. The sleep monitoring system as claimed in claim 5, wherein when performing single sleep monitoring, the method of single sleep monitoring is:
the pressure sensing layer (4) detects a pressure increasing area, and the detected position of the pressure increasing area is the lying position of the testing personnel;
the control module (5) finds out the first optical fiber (301) with the longest optical fiber length corresponding to all the first sensing points (401) in the pressure increase area from all the first sensing points (401) in the pressure increase area, reads the optical signal transmitted by the longest first optical fiber (301), and generates the sleep monitoring data of the tester according to the read optical signal.
7. The sleep monitoring system according to claim 5, wherein when performing double sleep monitoring, the method of double sleep monitoring is:
the pressure sensing layer (4) detects two pressure increasing areas, and the detected positions of the two pressure increasing areas are the lying positions of the two testers respectively; taking the pressure increase area close to the left side of the sleeping device as an area A, and taking the pressure increase area close to the right side of the sleeping device as an area B;
the control module (5) finds out the first optical fiber (301) with the longest optical fiber length corresponding to all the first sensing points (401) in the area A from all the first sensing points (401) in the area A, reads the optical signal transmitted by the longest first optical fiber (301), and generates sleep monitoring data of the tester lying on the area A according to the read optical signal;
and finding out the second optical fiber (302) with the longest optical fiber length corresponding to all the second sensing points (402) in the B area from all the second sensing points (402) in the B area, reading the optical signal transmitted by the longest second optical fiber (302), and generating sleep monitoring data of the tester lying on the B area according to the read optical signal.
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| WO2017190085A1 (en) * | 2016-04-29 | 2017-11-02 | Fitbit, Inc. | Sleep monitoring system with optional alarm functionality |
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| WO2017190085A1 (en) * | 2016-04-29 | 2017-11-02 | Fitbit, Inc. | Sleep monitoring system with optional alarm functionality |
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