Smart mattress
The present invention provides a personalized, interactive, and flexible sleeping posture correction system for use in a large-area bedding article including a mattress such that sleeping posture related data such as different pressure points and change in the pressure distribution over a sleeping cycle can be measured and processed whilst certain adjustment to one or more parameters of the bedding article in response to an instantaneous sleeping posture of a user is executed either automatically by the present system incorporated with artificial intelligence or by the user according to his/her preference of response action(s). In an embodiment, the present system also incorporates a sleeping posture image capturing module for capturing the preceding and instantaneous sleeping postures of the user to enhance the accuracy of the posture prediction and provide more information for the user prior to making a response action decision.
1 . A personalized, sleeping posture correction system for a bedding article, the system comprising:
a three-dimensional body for a user of the bedding article to sleep thereon being segmented into a plurality of compartments defining a plurality of pressure sensing and response zones;
a pressure sensing and response module being disposed in each of the pressure sensing and response zones comprising one or more pressure sensing mechanisms and one or more actuators, each of the pressure sensing mechanisms and each of the actuators having individual sensor and actuator circuits in each of the pressure sensing and response zones configured to generate pressure sensing signal and execute actuation instructions, respectively; and
a central processor receiving pressure sensing signals from the one or more pressure sensing mechanisms, processing thereof, sending actuation instructions to the one or more actuators, feeding the processed pressure sensing signals to and receiving corresponding commands from one or more external devices,
wherein the one or more pressure sensing mechanisms are one or more multi-layered structures comprising at least one pressure sensing layer and two electrode layers, and the at least one pressure sensing layer is a textile made of piezoresistive yarns,
wherein the one or more actuators comprises a two-layer actuator structure including a top layer and a bottom layer, the bottom layer being a layer of flexible materials and disposed beneath and underlying the entire top layer, the top layer comprising a plurality of airbags configured to be adjustable for adjusting overall height of the one or more actuators.
2 . The system of claim 1 , wherein the at least one pressure sensing layer is made of a plurality of electrically conductive fibers.
3 . The system of claim 2 , wherein a first electrode layer of the two electrode layers comprises a plurality of first conductive portions and a plurality of first non-conductive portions interlaced with each other.
4 . The system of claim 3 , wherein the at least one pressure sensing layer comprises a plurality of sensory spots evenly or unevenly distributed throughout each of the contact surface areas with the corresponding electrode layer.
5 . The system of claim 4 , wherein a second electrode layer comprises a plurality of second conductive portions and a plurality of second non-conductive portions interlaced with each other, and the second conductive portions are oriented in a direction substantially perpendicular to that of the first conductive portions of the first electrode layer.
6 . The system of claim 5 , wherein at where the first conductive portions of the first electrode layer intersect with the second conductive portions of the second electrode layer are where the plurality of sensory spots disposed onto each of the contact surfaces of the at least one pressure sensing layer, and wherein at each of the sensory spots is deposited with piezoresistive inks.
7 . The system of claim 1 , wherein each of the actuators comprises one or more inflatable sealed containers, one or more valves, a zonal air pressure sensor, and an air pump.
8 . The system of claim 7 , wherein the air volume, rate, and direction of flow in or out of each of the inflatable sealed containers are controlled by each of the valves separately from each other whilst the air pressure in each of the actuators is regulated by the zonal air pressure sensor and the air pump.
9 . The system of claim 1 , wherein the central processor comprises a plurality of integrated circuits, microprocessors, and chips to receive and process any signals and/or data obtained from the pressure sensing mechanisms, zonal pressure sensors, and/or any external device, and provide instructions to the one or more actuators in response to the sensed signals/data automatically or according to preference of actuation selected by the user manually.
10 . The system of claim 1 , wherein the central processor is connected to a user terminal and/or one or more external devices to exchange data among the central processor and any of the user terminal and/or external devices, and wherein the user terminal and/or external devices comprise mobile communication device, portable electronic device, remote control, computer gateway, network and/or data servers, cloud computing system, and peer system thereof within the same or from a different network.
11 . The system of claim 10 , wherein after processing the pressure sensing data obtained from the pressure sensing and response module, and prior to sending actuation instructions to the actuators, the central processor is configured to provide one or more suggested actuation protocols to the user through the user terminal and/or external devices.
12 . The system of claim 11 , further comprising an image capturing module for capturing one or more images of an instantaneous sleeping posture of the user, wherein the central processor receives, analyze, and processes image data obtained from the image capturing module together with the pressure sensing data obtained from the pressure sensing and response module to provide said suggested actuation protocols to the user.
13 . The system of claim 12 , wherein the image capturing module comprises one or more image capturing devices, one or more image processors, and a data transmission device, and wherein the one or more image capturing devices comprise one or more motion sensors.
14 . The system of claim 1 , wherein the central processor is trained with a plurality of datasets in relation to pressure distribution on a comparable bedding article arising from different sleeping postures of a comparable human being to the user with corresponding sleeping posture correction protocols, and/or is pre-determined with a set of operational parameters according to the user's preference.
15 . The system of claim 13 , wherein the central processor is built based on a multi-layered artificial neural network.
16 . The system of claim 1 , wherein the bedding article is selected from a mattress or a large-area pad for the user to sleep thereon.
17 . A bedding article comprising the system of claim 1 .
18 . A method for correcting sleeping posture of a user of a bedding article, comprising using the system of claim 1 in the bedding article, and the bedding article being selected from a mattress or a large-area pad for the user to sleep thereon.