CN113967001A

CN113967001A - Sleep monitoring device

Info

Publication number: CN113967001A
Application number: CN202010725845.2A
Authority: CN
Inventors: 戴鹏; 沈劲鹏; 黄锦锋; 陈雯; 郭继承
Original assignee: Shenzhen Medica Technology Development Co ltd
Current assignee: Shenzhen Medica Technology Development Co ltd
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2022-01-25

Abstract

The embodiment of the invention provides a sleep monitoring device, which comprises a PCB (printed Circuit Board), a first shell and a second shell, wherein the first shell and the second shell are connected with each other; one surface of the first shell facing the second shell is provided with a piezoelectric sensor for collecting at least one of a respiration signal, a heartbeat signal, a body movement signal and a turn-over signal, and the thickness of the part of the first shell, where the piezoelectric sensor is arranged, is smaller than the thickness of other parts of the first shell; a weighing sensor used for collecting bed-leaving signals is arranged on one surface, facing the first shell, of the second shell, an inner bulge is arranged on one surface, facing the second shell, of the first shell, and the arrangement position of the inner bulge is opposite to that of the weighing sensor; the weighing sensor and the piezoelectric sensor are respectively electrically connected with the PCB. The sleep monitoring device in the embodiment of the invention can accurately acquire vital sign data of a user in bed and in deep sleep, and can accurately grasp the sleep quality of the user.

Description

Sleep monitoring device

Technical Field

The invention belongs to the technical field of intelligent equipment, and particularly relates to a sleep monitoring device.

Background

At the present stage, with the development of science and technology and society, the pace of life of people is faster and faster, the pressure of life is higher and higher, and the high-quality sleep can provide sufficient power for the human body to meet the new day so as to deal with the fast-paced life and the high-intensity pressure.

The quality of sleep comprises two factors of sleep time and sleep depth, the sleep time is usually the time from night sleep to morning waking up, but the acquisition of the sleep depth is difficult at the present stage, because people are usually in an unconscious state during sleep and vital sign data of people in bed and in deep sleep cannot be accurately acquired, and therefore, a device capable of accurately acquiring the vital sign data of people in bed and in deep sleep is urgently needed.

Disclosure of Invention

In view of this, the embodiments of the present invention provide a sleep monitoring device for accurately acquiring vital sign data of a person in bed and in deep sleep.

The embodiment of the invention provides a sleep monitoring device, which comprises a PCB (printed circuit board), a first shell and a second shell, wherein the first shell and the second shell are connected with each other;

one surface of the first shell facing the second shell is provided with a piezoelectric sensor for collecting at least one of a respiration signal, a heartbeat signal, a body movement signal and a turn-over signal, and the thickness of the part of the first shell, where the piezoelectric sensor is arranged, is smaller than the thickness of other parts of the first shell;

a weighing sensor used for collecting bed-leaving signals is arranged on one surface, facing the first shell, of the second shell, an inner bulge is arranged on one surface, facing the second shell, of the first shell, and the arrangement position of the inner bulge is opposite to that of the weighing sensor;

the weighing sensor and the piezoelectric sensor are respectively electrically connected with the PCB.

Further, at least two piezoelectric sensors are arranged along the length direction of the first shell at intervals.

Further, at least two weighing sensors are arranged along the length direction of the second shell at intervals.

Furthermore, the weighing device further comprises a reinforcing rib, wherein the reinforcing rib is arranged between two adjacent weighing sensors on one surface of the second shell facing the first shell and/or between two adjacent piezoelectric sensors on one surface of the first shell facing the second shell.

Furthermore, the first shell deviates from the second shell, an outer bulge is arranged on one surface of the first shell, and the position of the outer bulge is opposite to that of the inner bulge.

Further, the shape of the inner protrusion matches the shape of the load cell.

Further, the piezoelectric sensor includes a piezoelectric ceramic sensor.

Furthermore, an indicator light and an operation key are arranged on the mutually connected side edges of the first shell and the second shell, and the indicator light and the operation key are respectively electrically connected with the PCB.

Furthermore, a first interface for connecting a power supply and a second interface for connecting an external device are arranged on the mutually connected side edges of the first shell and the second shell, and the first interface and the second interface are respectively electrically connected with the PCB.

Furthermore, the surface of the second shell, which is far away from the first shell, is arranged on the bed frame, and the surface of the first shell, which is far away from the second shell, is in contact with the bottom of the mattress.

According to the sleep monitoring device provided by the embodiment of the invention, the weighing sensor arranged on the second shell is used for collecting the signal of the user getting out of bed, the piezoelectric sensor arranged on the first shell is used for collecting at least one of the respiratory signal, the heartbeat signal, the body movement signal and the turn-over signal of the user, the first shell arranged at the piezoelectric sensor part is thinned, and the inner bulge is arranged above the weighing sensor of the first shell, so that the sensitivity and the accuracy of signal collection are improved, the vital sign data of the user in bed and in sound sleep are accurately obtained, the accurate grasp of the sleep quality of the user is realized, and the user can be timely informed to adjust if a sleep problem occurs.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.

Fig. 1 is an exploded schematic view of a sleep monitor device according to an embodiment of the present invention;

fig. 2 is an exploded schematic view of another three-dimensional structure of a sleep monitor device according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of a sleep monitoring device according to an embodiment of the present invention;

fig. 4 is a schematic perspective view of a sleep monitoring device according to an embodiment of the present invention;

fig. 5 is a schematic view of a connection structure of a housing chamber of a sleep monitoring device according to an embodiment of the present invention;

fig. 6 is a schematic view of a connection structure of an inner protrusion and a load cell of a sleep monitor device according to an embodiment of the present invention.

Detailed Description

The following detailed description of the embodiments of the present invention will be provided with reference to the accompanying drawings and examples, so that how to implement the embodiments of the present invention by using technical means to solve the technical problems and achieve the technical effects can be fully understood and implemented.

As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to substantially achieve the technical effect. Furthermore, the terms "coupled" or "electrically connected" are intended to encompass any direct or indirect electrical coupling. Thus, if a first device couples to a second device, that connection may be through a direct electrical coupling or through an indirect electrical coupling via other devices and couplings. The following description is of the preferred embodiment for carrying out the invention, and is made for the purpose of illustrating the general principles of the invention and not for the purpose of limiting the scope of the invention. The scope of the present invention is defined by the appended claims.

It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

Referring to fig. 1, which is an exploded schematic view of a three-dimensional structure of a sleep monitor device according to an embodiment of the present invention, the sleep monitor device includes a first housing 10, a second housing 20, a PCB 30, a piezoelectric sensor 40, and a load cell 50.

The first housing 10 and the second housing 20 are connected to each other to form a closed space, the PCB 30, the piezoelectric sensor 40 and the load cell 50 are all disposed in the closed space, the load cell 50 and the piezoelectric sensor 40 are electrically connected to the PCB 30, respectively, and the first housing 10 and the second housing 20 are connected to each other in a manner including but not limited to a snap connection or a screw connection.

The sensor 50 is used for acquiring a bed-leaving signal of a user, and the piezoelectric sensor 40 is used for acquiring at least one of a breathing signal, a heartbeat signal, a body movement signal and a turn-over signal of the user. Here, the piezoelectric sensor 40 may be any one of a respiration signal, a heartbeat signal, a body movement signal, and a turn-over signal; however, in order to improve the reliability of the judgment of the sleep quality of the user, the piezoelectric sensor 40 generally collects a plurality of respiration signals, heartbeat signals, body movement signals and turn-over signals, so as to perform comprehensive analysis to obtain a more reliable sleep quality result.

The piezoelectric sensor 40, which is a sensor based on piezoelectric effect, is a self-generating and electromechanical conversion type sensor, and its sensing element is made of piezoelectric material, which includes but is not limited to piezoelectric ceramic, or piezoelectric quartz, etc. In the preferred embodiment, the piezoelectric sensor 40 is a piezoceramic sensor.

Referring to fig. 2 to fig. 6, the piezoelectric sensor 40 is disposed on a surface of the first casing 10 facing the second casing 20, and a thickness of a portion of the first casing 10 where the piezoelectric sensor 40 is disposed is smaller than a thickness of other portions of the first casing 10.

Specifically, in one possible embodiment of the present invention, a first mounting groove 110 is formed on a surface of the first housing 10 facing the second housing 20, the piezoelectric sensor 40 is disposed in the first mounting groove 110, the shape of the first mounting groove 110 matches the shape of the piezoelectric sensor 40, including but not limited to any one of a circle, an ellipse, a quadrangle, and other polygons, and the first mounting groove 110 is thinned, that is, the first housing 10 above the pressure sensor 40 is correspondingly thinned, so that the thickness of the portion of the first housing 10 where the piezoelectric sensor 40 is disposed is smaller than the thickness of the other portions of the first housing 10, when the piezoelectric sensor 40 is placed in the mounting groove 110, if there is a slight vibration above the first housing 10, the piezoelectric sensor 40 can be sensed by the piezoelectric sensor 40, the sensitivity of the piezoelectric sensor 40 signal acquisition is effectively improved, and the accuracy of the piezoelectric sensor 40 signal acquisition is improved, so that the vital sign data of a user in bed and in sleep can be accurately acquired.

The weighing sensor 50 is arranged on one side of the second shell 20 facing the first shell 10, an inner protrusion 120 is arranged on one side of the first shell 10 facing the second shell 20, and the arrangement position of the inner protrusion 120 is opposite to the weighing sensor 50.

Specifically, in one possible embodiment of the present invention, a second mounting groove 210 is disposed on a surface of the second housing 20 facing the first housing 10, the load cell 50 is disposed on the second mounting groove 210, a sensing surface faces the first housing 10, and the inner protrusion 120 is disposed on the first housing 10 above the second mounting groove 210, that is, the inner protrusion 120 is disposed opposite to the load cell 50. Because be provided with directly over weighing sensor 50 interior arch 120 for when there is less pressure first casing 10 top, can with the rapid transmission of pressure extremely weighing sensor 50, and then by weighing sensor 50 gathers the signal that the user is in the bed, promoted promptly weighing sensor 50's sensitivity weighing sensor 50 gather user alright open when the signal is in the bed pressure sensor 40 carries out timely, accurate, comprehensive collection to a plurality of vital sign data of user, the more accurate vital sign data as above of acquireing the user when bed and sleeping well of further accuracy.

In addition, when in use, the second casing 20 is placed on a bed frame, such that the first casing 10 faces and is in contact with a mattress on the bed frame, when a user sleeps on the mattress, due to the pressure of the gravity of the human body, the first casing 10 moves towards the second casing 20 and is in contact with the piezoelectric sensor 40 and/or the weighing sensor 50, so as to collect vital sign data of the user during sleeping through the piezoelectric sensor 40 and collect a signal whether the user is in the bed through the weighing sensor 50. According to the design, the piezoelectric sensor 40 and/or the interval between the weighing sensor 50 and the human body are arranged on the mattress, so that the mattress can be prevented from being in direct contact with the human body, a sleep signal during sleep can be acquired, the mattress is suitable for a common bed on the market, the use safety of a user is improved, and the application range and the use flexibility of the sleep monitoring device are improved.

In one preferred embodiment of the present invention, at least two piezoelectric sensors 40 are spaced along the length of the first housing 10.

Specifically, at least two piezoelectric sensors 40 are disposed on the first housing 10 and arranged at intervals along the length direction of the first housing 10. Here, the number of the piezoelectric sensors 40 is related to the size of the sleep monitoring device and the monitoring range of each piezoelectric sensor 40, and by arranging a plurality of piezoelectric sensors 40 in one sleep monitoring device, the comprehensiveness, timeliness and accuracy of vital sign data acquisition can be effectively improved, which is helpful for improving the quality of the sleep monitoring device. It should be noted that the two piezoelectric sensors 40 shown in the figures are only provided by way of example, and do not limit the embodiments and the present invention.

In another preferred embodiment of the present invention, at least two load cells 50 are spaced along the length of the second housing 20.

Specifically, at least two load cells 50 are disposed on the second housing 10 and arranged at intervals along the length direction of the second housing 20. Here, the number of the weighing sensors 50 is related to the size of the sleep monitoring device and the monitoring range of each weighing sensor 50, and the timeliness and accuracy of the signal collection of the user getting out of bed can be effectively improved by arranging a plurality of weighing sensors 50 in one sleep monitoring device, which is helpful for improving the quality of the sleep monitoring device. It should be noted that the two weighing sensors 50 shown in the figures are provided by way of example only and do not limit the embodiments and the present invention.

Further, the sleep monitor device further includes a reinforcing rib 60, and the reinforcing rib 60 is disposed between two adjacent weighing sensors 50 on one surface of the second housing 20 facing the first housing 10 and/or between two adjacent piezoelectric sensors 40 on one surface of the first housing 10 facing the second housing 20.

Specifically, the reinforcing rib 60 is provided on the second housing 20 and/or the first housing 10, that is, the reinforcing rib 60 may be provided only on the second housing 20, the reinforcing rib 60 may be provided only on the first housing 10, or both the second housing 20 and the first housing 10 may be provided with the reinforcing rib 60. The reinforcing rib 60 on the first housing 10 is arranged on the side of the first housing 10 facing the second housing 20 and between two adjacent piezoelectric sensors 40; the reinforcing rib 60 on the second housing 20 is disposed on a side of the second housing 20 facing the first housing 10 and between two adjacent weighing sensors 50.

More than pass through setting up of strengthening rib 60 can promote second casing 20 with the intensity of first casing 10 is especially in under the condition that partial region was handled by the attenuate on first casing 10, compensatied the not enough problem of bulk strength, effectual promotion second casing 20 with the bulk strength of first casing 10 has improved its guard action to internal circuit board and electronic components.

Furthermore, in order to further enhance the overall strength of the second casing 20 and the first casing 10, the reinforcing ribs 60 on the first casing 10 are arranged in a cross manner along the longitudinal direction and the width direction of the first casing 10, that is, the first casing 10 is formed with grid-shaped reinforcing ribs; the ribs 60 of the second housing 20 are arranged in a cross manner along the longitudinal direction and the width direction of the second housing 20, that is, the first housing 20 is formed with a grid-shaped rib.

In addition, in order to further improve the monitoring sensitivity of the weighing sensor 50, an outer protrusion 130 is disposed on a surface of the first casing 10 facing away from the second casing 20, and the outer protrusion 130 is disposed opposite to the inner protrusion 120.

Specifically, the outer protrusion 130 and the inner protrusion 120 are oppositely disposed on the upper and lower surfaces of the first housing 10, the outer protrusion 130 protrudes out of the surface of the sleep monitor device and contacts with a mattress above the bed frame when in use, when gravity acts on the mattress, the outer protrusion 130 is rapidly transmitted to the inner protrusion 120 and then transmitted to the weighing sensor 50 through the inner protrusion 120, so that the weighing sensor 50 timely collects the in-bed signals of the user, and the piezoelectric sensor 40 starts to work at the first time, thereby timely, rapidly, comprehensively and accurately collecting the vital sign data of the user.

Further, the shape of the inner protrusion 120 matches the shape of the load cell 50. Through the weighing sensor 50 and the inner bulge 120 which are matched in shape, the pressure on the inner bulge 120 can be completely transmitted to the weighing sensor 50, the accuracy and timeliness of the weighing sensor 50 for acquiring signals leaving the bed are facilitated, and the quality of the sleep monitoring device is further improved.

In one possible implementation manner of the embodiment of the present invention, the weighing sensor 50 is in a double "E" shaped structure, the middle parts of the two "E" shaped structures are connected to each other, the outer periphery of the "E" shaped structure is connected to the second mounting groove 210, a plurality of connecting columns 2101 are arranged at intervals in the second mounting groove 210, the plurality of connecting columns 2101 are arranged in a "U" shape, and the outer periphery of the "E" shaped structure outside the weighing sensor 50 is connected to the plurality of connecting columns 2101, so that the "E" shaped structure inside the weighing sensor 50 is suspended; the inner protrusion 120 is "U" shaped (as shown in the figure, it is "U" shaped) or "E" shaped, and it matches with the "E" shaped structure inside the load cell 50, when the inner protrusion 120 moves downward, it applies pressure to the suspended "E" shaped structure inside the load cell 50, and then makes the load cell 50 generate corresponding bending deformation, so as to collect the corresponding signal of the user in the bed. The sensing sensitivity of the weighing sensor 50 can be further improved through the structure of the embodiment, so that the weighing sensor 50 can acquire the bed-leaving signals of the user more accurately and timely, and the quality of the sleep monitoring device is further improved.

Furthermore, an indicator lamp 70 and an operation button 80 are disposed on the side where the first casing 10 and the second casing 20 are connected to each other, and the indicator lamp 70 and the operation button 80 are electrically connected to the PCB 30, respectively.

Specifically, the indicator light 70 and the operation key 80 are respectively disposed at the side portions of the first casing 10 and the second casing 20 after being connected to each other, the indicator light 70 is an LED indicator light and is configured to display the working state of the sleep monitor device through color change and/or flicker change, the working state includes but is not limited to WiFi connection, different types of signal acquisition, and the like, and the operation key 80 is an entity key and has functions including but not limited to power on/off, network configuration, and the like.

In addition, a first interface 301 for accessing a power supply and a second interface 302 for an external device are disposed on the mutually connected side edges of the first casing 10 and the second casing 20, and the first interface 301 and the second interface 302 are respectively electrically connected to the PCB 30.

Specifically, the first interface 301 and the second interface 302 are respectively disposed on the PCB 30 and are opposite to physical interfaces of side portions after the first housing 10 and the second housing 20 are connected to each other, the first interface 301 and the second interface 302 are respectively used for connecting a power line 91 and a data transmission line 92, the other end of the power line 91 is connected to a power source, and the other end of the data transmission line 92 is connected to an external device, where the external device includes, but is not limited to, a display device or a control device.

Furthermore, the second housing 20 is provided with a containing bin 201, the first interface 301 and the second interface 302 are provided on a bin wall of the containing bin 201, a bin cover 202 connected by a buckle is provided on the containing bin 201, a threading hole 203 is provided on the bin cover 202, a threading post 204 is provided at the bottom of the containing bin 201, the power line 91 and the data transmission line 92 pass through the threading hole 203 and are inserted into the corresponding first interface 301 and the second interface 302, wherein the portions of the power line 91 and the data transmission line 92 located in the containing bin 201 are fixed by the threading post 204.

In addition, the second casing 20 is provided on a bed frame (not shown) on the side away from the first casing 10, and the first casing 10 is in contact with the bottom of a mattress (not shown) on the side away from the second casing 20.

Specifically, a mattress is placed on the bed frame to form a corresponding bed body, the bed body includes, but is not limited to, hospital beds, nursing institutions and rehabilitation institutions, and may also be a common household bed, the first shell 10 and the second shell 20 are connected to each other to form the sleep monitoring device, and the sleep monitoring device is connected to the bed frame through a connecting strap or other structures, one surface of the second shell 20, which is away from the first shell 10, is in contact with the bed frame, one surface of the first shell 10, which is away from the second shell 20, is in contact with the mattress, so as to collect a signal of a user leaving the bed through the mattress, and collect multiple vital sign data of the user when the user is asleep, and here, for a specific collection method, reference is made to the description of the above embodiments, and details are not repeated.

It should be noted that, under the condition that structures are not in conflict, structures of each part mentioned in each implementation of the foregoing embodiments may be combined with each other, and for avoiding repetition, technical solutions obtained after combination are not described herein again, but the technical solutions obtained after combination also should belong to the protection scope of the present invention.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill 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 such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The sleep monitoring device is characterized by comprising a PCB (printed circuit board), a first shell and a second shell which are connected with each other;

2. The sleep monitoring device as in claim 1, wherein at least two of the piezoelectric sensors are spaced along a length of the first housing.

3. The sleep monitoring device as in claim 2, wherein at least two of the load cells are spaced along the length of the second housing.

4. The sleep monitor device according to claim 3, further comprising a reinforcing rib, wherein the reinforcing rib is disposed between two adjacent weighing sensors on one surface of the second housing facing the first housing and/or between two adjacent piezoelectric sensors on one surface of the first housing facing the second housing.

5. The sleep monitoring device as claimed in claim 1, wherein an outer protrusion is disposed on a surface of the first housing facing away from the second housing, and the outer protrusion is disposed opposite to the inner protrusion.

6. The sleep monitoring device as in claim 1, wherein the shape of the inner protrusion matches the shape of the load cell.

7. The sleep monitoring device as in claim 1, wherein the piezoelectric sensor comprises a piezoceramic sensor.

8. The sleep monitor device as claimed in any one of claims 1 to 7, wherein the first housing and the second housing are provided with an indicator light and an operation button on the side where they are connected with each other, and the indicator light and the operation button are electrically connected with the PCB respectively.

9. The sleep monitor device as claimed in any one of claims 1 to 7, wherein a first interface for connecting a power supply and a second interface for connecting an external device are disposed on the side where the first housing and the second housing are connected to each other, and the first interface and the second interface are electrically connected to the PCB respectively.

10. The sleep monitoring device as in any of claims 1-7, wherein the second shell is provided on the bed frame on a side facing away from the first shell, the side of the first shell facing away from the second shell being in contact with the bottom of the mattress.