CN113142886A - Intelligent bed and control method thereof - Google Patents
Intelligent bed and control method thereof Download PDFInfo
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- CN113142886A CN113142886A CN202110657546.4A CN202110657546A CN113142886A CN 113142886 A CN113142886 A CN 113142886A CN 202110657546 A CN202110657546 A CN 202110657546A CN 113142886 A CN113142886 A CN 113142886A
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- 238000010438 heat treatment Methods 0.000 claims abstract description 76
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- 239000002202 Polyethylene glycol Substances 0.000 description 10
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C17/00—Sofas; Couches; Beds
- A47C17/86—Parts or details for beds, sofas or couches only not fully covered in a single one of the sub-groups A47C17/02, A47C17/04, A47C17/38, A47C17/52, A47C17/64, or A47C17/84; Drawers in or under beds
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C21/00—Attachments for beds, e.g. sheet holders, bed-cover holders; Ventilating, cooling or heating means in connection with bedsteads or mattresses
- A47C21/003—Lighting, radio, telephone or the like connected to the bedstead
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C21/00—Attachments for beds, e.g. sheet holders, bed-cover holders; Ventilating, cooling or heating means in connection with bedsteads or mattresses
- A47C21/04—Devices for ventilating, cooling or heating
- A47C21/042—Devices for ventilating, cooling or heating for ventilating or cooling
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C21/00—Attachments for beds, e.g. sheet holders, bed-cover holders; Ventilating, cooling or heating means in connection with bedsteads or mattresses
- A47C21/04—Devices for ventilating, cooling or heating
- A47C21/048—Devices for ventilating, cooling or heating for heating
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C31/00—Details or accessories for chairs, beds, or the like, not provided for in other groups of this subclass, e.g. upholstery fasteners, mattress protectors, stretching devices for mattress nets
- A47C31/12—Means, e.g. measuring means for adapting chairs, beds or mattresses to the shape or weight of persons
- A47C31/123—Means, e.g. measuring means for adapting chairs, beds or mattresses to the shape or weight of persons for beds or mattresses
Abstract
The invention discloses an intelligent bed, which comprises: a bed head, a bed frame and a mattress; wherein the mattress comprises: a plurality of mattress units, ventilation and heating devices, and a controller, and each mattress unit includes: the device comprises a soft cushion, a pressure sensor, a supporting rod device and a temperature sensor; the controller detects the sleeping posture of a user through the pressure sensor, controls the supporting rod device to change the height, detects the temperature through the temperature sensor, and controls the ventilation heating device to ventilate and heat. Compared with the prior art, the temperature-controlled sleep posture correcting device is suitable for users with different weights, meanwhile, the controller issues more accurate instructions to the supporting rod device according to more accurate pressure values, the correction of incorrect sleep postures of the users is completed, the body state health of the users is guaranteed, the ventilation heating device is detected and controlled through the temperature sensor to conduct ventilation heating, the temperature regulation and control are achieved, the users are guaranteed to be in a comfortable temperature environment when sleeping, and the sleep quality of the users is improved.
Description
Technical Field
The invention relates to the technical field of intelligent home furnishing, in particular to an intelligent bed and a control method thereof.
Background
With the development of the times, the requirements of people on home furnishing are continuously improved, 1/3 time is spent in bed in the life of people, so that the requirements of people are higher and higher, and the people are required to be comfortable and can provide healthy sleep.
In the prior art, the pressure detected by the pressure sensor is simply judged by setting a pressure threshold value, so that the sleeping posture of the human body is adjusted, but the body weight of each person is different, the judgment result precision is not high, the adjustment of the sleeping posture of the human body is influenced, and meanwhile, when the human body is sleeping, the temperature of the contact surface of the human body and a bed often exceeds the comfortable temperature of the human body, so that the human body sweats and turns over, and the sleeping quality of the human body is influenced.
Disclosure of Invention
In order to solve the problems, the invention provides an intelligent bed, which has the following specific technical scheme: a smart bed, comprising: a bed head, a mattress and a bed frame; wherein the content of the first and second substances,
the mattress comprises: a plurality of mattress units, ventilation heating means and a controller; wherein the content of the first and second substances,
the air supply outlet of the ventilation heating device is embedded among the mattress units, and the total air supply outlet is provided with a heating film for receiving the instruction of the controller to perform ventilation heating;
a plurality of said mattress units are arranged in a lateral and longitudinal array in sequence to form an array of mattress units, each said mattress unit comprising: the device comprises a soft cushion, a pressure sensor, a supporting rod device and a temperature sensor; wherein the content of the first and second substances,
the pressure sensor is disposed under the cushion and electrically connected to the controller for detecting a pressure Q applied by a user to the mattress unitij，QijRepresents the pressure value measured on the ith row and the jth column of mattress units, i is more than or equal to 1, j is more than or equal to 1, and the detected pressure QijConverted into electric signals and transmitted to the controller, and the controller receives the pressure Q in order to eliminate the influence of different body weights on the pressure valueijThen, the formula is used: pij＝A*QijW to QijProcessing to obtain pressure P for eliminating body weight influenceijWherein A is a pressure sensing coefficient, W is the weight of the user, and W is A PAIn which P isAIs the sum of the pressures measured by the pressure sensors of all the mattress units;
the support rod device is electrically connected with the controller, is arranged between the cushion and the pressure sensor and is used for supporting, fine-adjusting and massaging a user, the controller judges the sleeping posture of the user according to the received electric signal transmitted by the pressure sensor, when the user takes a supine sleeping posture and the pressures applied by the left back and the right back of the user to the pressure sensor are inconsistent through analysis, the controller sends an instruction to the corresponding mattress unit, the support rod device of the mattress unit adjusts the height of the support rod device according to the instruction, so that the sleeping posture of the user is finely adjusted, and the supine sleeping posture of the user is adjusted to be in a state of balancing the left back and the right back; when a user selects a massage mode through a key, the controller receives an electric signal transmitted by the key, sends an instruction to the supporting rod device, and controls the supporting rod device to change the height so as to massage the user;
temperature sensor with the controller electricity is connected, arranges in the below of cushion for detect the user with the temperature of cushion contact surface, and with signal transmission to the testing result with the signal of telecommunication the controller, the controller is right according to receiving the signal of telecommunication ventilation heating device sends the instruction, controls ventilation heating device ventilates and/or heats, realizes the regulation and control to the temperature.
As an improvement of the intelligent bed of the invention, the support rod device is an air pressure rod, when the instruction transmitted by the controller is not received, the height in the vertical direction is kept unchanged, when the instruction of the controller is received, the height can be freely adjusted in the vertical direction, when the instruction is not received, the height in the vertical direction is kept unchanged, good support can be provided for a user, meanwhile, the pressure value measured by the pressure sensor can be more accurate, if the support rod device does not receive the instruction, the pressure applied by the user changes due to the height in the vertical direction, so that the pressure applied by the mattress unit at the position is dispersed to other adjacent mattress units, the pressure detected by the pressure sensor of the mattress unit is not accurate, the judgment of the pressure applied at the position by the controller is influenced, and the instruction transmitted to the support rod device is not accurate, influence the adjustment of the supporting rod device to the sleeping posture of the user.
As an improvement of the intelligent bed, the telescopic speed and the telescopic height of the air pressure rod satisfy the following relation: v = -1/15H +1, wherein V is the stretching speed of the pneumatic rod and is measured in cm/s, and H is the stretching height of the pneumatic rod and is measured in cm. Namely, the expansion speed and the expansion height of the pneumatic rod are in a decreasing function relationship, and when the expansion height of the pneumatic rod is higher, the expansion speed is lower, and only micro adjustment is carried out, so that the influence or awakening of a user in sleep when the pneumatic rod is vertically expanded can be avoided.
As an improvement of the intelligent bed, when the temperature sensor detects that the temperature of the contact surface of the user and the soft cushion is higher than a set first threshold value, an electric signal is sent to the controller, the controller controls the ventilation and heating device to supply air, and when the temperature is detected to be lower than the set first threshold value, the electric signal is sent to the controller, and the controller controls the ventilation and heating device to stop supplying air; when the temperature sensor detects that the temperature of the contact surface of a user and the cushion is lower than a set second threshold value, an electric signal is sent to the controller to control the ventilation heating device to heat and supply air, and when the temperature is detected to be higher than the set second threshold value, the electric signal is sent to the controller to control the ventilation heating device to stop heating and supply air, wherein the set first threshold value is 38 ℃, and the second threshold value is 28 ℃; when the temperature sensor detects that the temperature of the contact surface of the user and the cushion is higher than the first threshold value of 38 ℃, the controller controls the ventilation and heating device to ventilate, the user is prevented from being awakened by heat to influence sleep, and when the temperature sensor detects that the temperature is lower than the first threshold value of 38 ℃, the controller controls the ventilation and heating device to stop working, and energy waste is prevented.
As an improvement of the intelligent bed, when the ventilation heating device conducts ventilation, the air supply quantity is 550m3And h, when heating is carried out, the heating temperature of the heating film is 24 ℃, the air supply quantity is unchanged, and under the air supply quantity and the heating temperature, a human body can feel comfortable, so that the sleeping quality of a user is improved.
As an improvement of the intelligent bed, a solid-solid phase change material is arranged in the soft cushion, the phase change temperature of the solid-solid phase change material is 20-30 ℃, preferably 20-25 ℃, the solid-solid phase change material is preferably polyethylene glycol with the average relative molecular weight of 500-800, more preferably polyethylene glycol with the average relative molecular weight of 500 (PEG-500, the phase change temperature is 20-25 ℃), wherein the polyethylene glycol is an organic solid-solid phase change material (a solid ordered molecular connection structure is changed into a solid disordered molecular connection structure), and the phase change temperature of the polyethylene glycol is increased along with the increase of the polymerization degree, so that the average relative molecular weight of the polyethylene glycol cannot be too high or too low, when the phase change temperature of the polyethylene glycol reaches the phase change temperature, reversible solid-solid phase change can be generated, heat can be absorbed or released, and the temperature of the soft cushion is maintained in a certain temperature range (the comfortable temperature of a human body), avoid the cushion high temperature or cross the comfort level that influences human sleep excessively.
As an improvement of the intelligent bed, the soft cushion is further provided with a graphene heat dissipation material, and the heat diffusion coefficient of the graphene heat dissipation material is 2000mm2/s-2500mm2(ii)/s, wherein the graphene heat dissipation material has a thermal conductivity of 3000W/(mK) -3500W/(mK); graphene has splendid heat conduction heat dispersion, and its heat conductivity is 10 times stronger than silver, through addding graphite alkene heat dissipation material, it can go out the quick conduction of phase change material absorptive heat, avoids the heat to gather, and the radiating effect that like this will be better than single phase change material that sets up. Therefore, the dual heat conduction and radiation arrangement of the graphene heat radiation material and the solid-solid phase change material is adopted, so that the heat radiation effect of the mattress can be greatly improved in hot summer, and the comfort level of the mattress can be improved.
As an improvement of the intelligent bed of the present invention, the controller knows the specific position (i, j) of the mattress unit detecting the pressure through the arrangement position of the mattress unit to which the pressure sensor transmitting the electrical signal belongs, so that the controller can obtain a set X, wherein the set X is the position set of the mattress unit detecting the pressure, and the region obtained by connecting the mattress units which are adjacent or close to each other in the position distribution in the set X is the region where the user applies the pressure to the intelligent bed, and the region is the contact region; outside the contact zone, the set Y of mattress units for which no pressure is detected is a non-contact zone; the controller can obtain that the sleeping posture of the user is supine, lateral or prone through analyzing and processing the contact area, further can analyze the mattress unit in the contact area, analyze the stress condition of the mattress unit, send an instruction to the supporting rod device when finding that the sleeping posture is incorrect, control the supporting rod device to work, if the analysis finds that the pressure applied to the mattress unit by the left side of the back of the user lying supine is larger than the pressure applied by the right side, the controller sends an instruction to the supporting rod device of the mattress unit on the right side of the back, the supporting rod device raises the height according to the instruction to provide support for the right back of the user, when the controller receives the electric signals sent by the pressure sensors, the controller sends an instruction to the supporting rod device to control the supporting rod device to stop rising when the pressures on the two sides are the same, finishing fine adjustment of incorrect sleeping postures of the user; simultaneously the controller is to the contact zone temperature sensor send instruction, control temperature sensor carries out work, simultaneously to non-contact zone temperature sensor send instruction, control it is in the dormant state, through inciting somebody to action the mattress unit divide into contact zone and non-contact zone, makes the contact zone temperature sensor carries out work, and non-contact zone temperature sensor gets into the dormant state, has avoided like this that all temperature sensor need work simultaneously, also need not handle all data, has both improved work efficiency, has saved the consumption of the energy again.
As an improvement of an intelligent bed of the present invention, the bed head comprises: projectors and bedside lights;
the projector can be wirelessly connected with a mobile phone, is arranged at the top of the bed head and is used for projecting images or videos;
the bedside lamp is used for lighting and is arranged at the top of the bedside, and a user controls the on-off of the bedside lamp through the key switch, so that the lighting of the user in a bed is facilitated; the projector is arranged to meet the requirements of users on viewing images and videos when the users are in bed.
As an improvement of the intelligent bed, the projector comprises a projector body and a projector base; the projector base is of a hemispherical hollow structure, the projector body is of a spherical structure, and the projector body is nested in the projector base and can freely rotate up and down, left and right to project at different angles; because the projector can freely rotate up and down, left and right, the watching experience of a user is improved, and the user can watch the image by leaning against the bed head or lying on the bed according to the requirement of the user.
As an improvement of the intelligent bed, the bed frame comprises an ultraviolet sterilization device, a night lamp and a storage cabinet;
the ultraviolet sterilization device is electrically connected with the controller and used for regularly removing mites and sterilizing the intelligent bed, the controller is set with ultraviolet sterilization cycle time, when the ultraviolet sterilization cycle time reaches, the controller sends an instruction to the ultraviolet sterilization device, and the ultraviolet sterilization device receives the instruction and then performs ultraviolet sterilization; the bed is sterilized by ultraviolet at regular time, so that the sanitation of the bed is ensured, and the health of a user is guaranteed;
the controller is electrically connected with the controller, is embedded around the bedstead and is used for lighting at night, and when the controller receives and processes the electric signal of the pressure sensor and finds that the electric signal of the pressure sensor changes too much, the controller sends an instruction to the night lamp to control the night lamp to light; the controller judges whether a person is getting up at night through the electric signal transmitted by the pressure sensor, and controls the night lamp to illuminate, so that the problem that a user needs to find the lamp to turn on when getting up at night is solved;
the storage cabinet is arranged on the bed frame and used for storing articles, and the rest space of the bed is reasonably used.
In addition, the invention also provides a control method of the intelligent bed, which comprises the steps of adjusting the sleeping posture and adjusting the temperature; wherein the content of the first and second substances,
the sleeping posture adjustment comprises the following steps:
1) transmitting an electrical signal to the controller when the pressure sensor in the mattress unit detects a change in pressure of a user lying in bed;
2) the controller receives the electric signal transmitted by the pressure sensor, filters weight factors contained in the electric signal, analyzes the electric signal with the weight filtered, and sends an instruction to the supporting rod device according to an analysis result;
3) the supporting rod device receives the instruction sent by the controller and adjusts the height according to the instruction, so that the user's sleeping posture is adjusted;
the temperature regulation comprises the following steps:
a) when the temperature sensor detects that the temperature of the contact surface of the user and the soft cushion is not in a preset temperature range, transmitting an electric signal to the controller;
b) the controller receives the electric signal transmitted by the temperature sensor and sends an instruction to the ventilation heating device;
c) and the ventilation heating device receives the instruction sent by the controller and carries out ventilation heating according to the instruction, thereby completing the temperature regulation.
Compared with the prior art, the invention has the beneficial effects that:
(1) the intelligent bed can be suitable for users with different weights by eliminating the influence of the weights on the pressure, and meanwhile, the controller obtains a more accurate pressure value without the influence of the weights, so that a more accurate instruction is issued to the supporting rod device;
(2) the controller sends an instruction to the supporting rod device according to an electric signal transmitted by the pressure sensor, and controls the supporting rod device to perform height adjustment, so that the sleeping posture of the user is adjusted, the incorrect sleeping posture of the user is corrected, the body state health of the user is ensured, meanwhile, the intelligent bed has a massage function, the user can select a massage mode by himself, and the user is relieved by massage;
(3) the temperature sensor detects the temperature of the contact surface of the user and the cushion, and the controller controls the ventilation and heating device to ventilate and/or heat, so that the temperature can be regulated and controlled, the user can be in a comfortable temperature environment when sleeping, and the sleeping quality of the user is improved.
Drawings
Fig. 1 is a schematic structural view of an intelligent bed according to embodiment 1 of the present application;
FIG. 2 is a schematic structural view of the smart bed of the present application;
fig. 3 is a schematic structural view of a mattress unit of the present application;
FIG. 4 is a schematic view of the construction of the ventilation heating apparatus of the present application;
fig. 5 is a schematic structural view of a smart bed according to embodiment 2 of the present application;
fig. 6 is a schematic structural view of a projector of a smart bed according to embodiment 2 of the present application;
fig. 7 is a schematic structural view of a smart bed according to embodiment 3 of the present application;
fig. 8 is a schematic structural view of a smart bed according to embodiment 4 of the present application;
in the figure, 1-head of bed; 2, a mattress; 3-bed frame; 21-a mattress unit; 22-ventilation heating means; 23-a controller; 211-cushion; 212-a pressure sensor; 213-a support bar arrangement; 214-a temperature sensor; 221-total air supply outlet; 222-heating the film; 223-air supply outlet; 11-a projector; 12-bedside lamps; 111-a projector body; 112-a projector base; 31-ultraviolet sterilizing device; 32-night light; 33-a locker; 215-ambient temperature sensor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
In the description of the present application, unless explicitly stated or limited otherwise, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more; the terms "connected," "secured," and the like are to be construed broadly and unless otherwise stated or indicated, and for example, "connected" may be a fixed connection, a removable connection, an integral connection, or an electrical connection; "connected" may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In the description of the present application, it should be understood that the term "and/or" used in the present application is only one kind of association relationship describing the associated object, and means that there may be three kinds of relationships, for example, a and/or B, and may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
In the description of the present application, it should be understood that the terms "upper" and "lower" used in the description of the embodiments of the present application are used in a descriptive sense only and not for purposes of limitation. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element. The present application is described in further detail below with reference to specific embodiments and with reference to the attached drawings.
Example 1
As shown in fig. 1 to 4, an intelligent bed according to an embodiment of the present invention includes: a bed head 1, a mattress 2 and a bed frame 3; wherein the content of the first and second substances,
the mattress 2 includes: a plurality of mattress units 21, ventilation and heating devices 22, and a controller 23; wherein the content of the first and second substances,
the air supply port 223 of the ventilation and heating device 22 is embedded between the mattress units 21, and the total air supply port 221 is provided with a heating film 222 for receiving the instruction of the controller 23 to perform ventilation and heating;
a plurality of mattress units 21 are arranged in a transverse and longitudinal array in sequence to form an array of mattress units, each mattress unit 21 comprising: a cushion 211, a pressure sensor 212, a support rod device 213, and a temperature sensor 214; wherein the content of the first and second substances,
a pressure sensor 212 is disposed under the cushion 211 and is electrically connected to the controller 23 for detecting a userPressure Q applied to mattress unit 21ij，QijRepresenting the pressure value measured in the ith row and the jth column and detecting the pressure QijConverted into an electrical signal and transmitted to the controller 23, wherein the pressure value Q applied by the user to the mattress unit 21ijHas a relationship with the weight W of the user, wherein A is the pressure sensing coefficient of the pressure sensor 212, and the controller 23 receives the pressure Q to eliminate the influence of different weights on the pressure valueijThen, the formula is used: pij＝A*QijW to QijProcessing to obtain pressure P for eliminating body weight influenceijWherein W is A PA， PAIs the sum of the pressures measured by the pressure sensors 212 of all mattress units 21;
the supporting rod device 213 is electrically connected with the controller 23, is arranged between the cushion 211 and the pressure sensor 212 and is used for supporting, fine-tuning and massaging the user, the controller 23 judges the sleeping posture of the user according to the received electric signal transmitted by the pressure sensor 212, when the controller 212 judges that the user adopts the supine sleeping posture and the pressures applied by the left back and the right back of the user to the pressure sensor 212 are inconsistent, the controller 212 sends an instruction to the corresponding mattress unit 21, and the supporting rod device 213 of the mattress unit 21 adjusts the height of the supporting rod device according to the instruction, so that the sleeping posture of the user is finely tuned, and the supine sleeping posture of the user is adjusted to be in a state of balancing the left back and the right back; when the user selects the massage mode through the keys, the controller 23 receives the electric signal transmitted by the keys, sends an instruction to the supporting rod device 213, and controls the supporting rod device 213 to change the height to massage the user;
the temperature sensor 214 is electrically connected to the controller 23, is disposed below the cushion 211, and is used for detecting the temperature of the user contacting with the cushion 211 and transmitting the detection result to the controller 23 as an electric signal, and the controller 23 sends an instruction to the ventilation and heating device 22 according to the received electric signal to control the ventilation and heating device 22 to ventilate and/or heat.
Preferably, the support rod device 213 is a pneumatic rod, and when the command transmitted by the controller 23 is not received, the vertical height is kept constant, when receiving the instruction of the controller 23, the height of the support rod 23 can be freely adjusted in the vertical direction, and when not receiving the instruction, the height of the support rod 23 in the vertical direction is kept unchanged, so that the support rod can provide good support for a user, and meanwhile, the pressure value measured by the pressure sensor 212 can be more accurate, if the support pole assembly 213 does not receive instructions, the vertical height changes due to the pressure applied by the user, which may cause the pressure experienced by the mattress unit 21 to be distributed to other adjacent mattress units 21, resulting in an inaccurate pressure detection by the pressure sensor 212 of the mattress unit 21, further, the judgment of the pressure applied to the position by the controller 23 is affected, so that the instruction transmitted to the support rod device 213 is inaccurate, and the adjustment of the user's sleeping posture by the support rod device 213 is affected.
Preferably, the telescopic speed and the telescopic height of the pneumatic rod satisfy the relation: v = -1/15H + 1, wherein V is the stretching speed of the pneumatic rod and is measured in cm/s, and H is the stretching height of the pneumatic rod and is measured in cm. Namely, the expansion speed and the expansion height of the pneumatic rod are in a decreasing function relationship, and when the expansion height of the pneumatic rod is higher, the expansion speed is lower, and only micro adjustment is carried out, so that the influence or awakening of a user in sleep when the pneumatic rod is vertically expanded can be avoided.
Preferably, when the temperature sensor 214 detects that the temperature of the contact surface of the user and the soft pad 211 is higher than a set first threshold value, an electric signal is sent to the controller 23, the controller 23 controls the ventilation and heating device 22 to supply air, and when the temperature is detected to be lower than the set first threshold value, an electric signal is sent to the controller 23, and the controller 23 controls the ventilation and heating device 22 to stop supplying air; when the temperature sensor 214 detects that the temperature of the contact surface of the user and the soft cushion 211 is lower than a set second threshold value, an electric signal is sent to the controller 23, the ventilation and heating device 22 is controlled to heat and supply air, and when the temperature is detected to be higher than the set second threshold value, the electric signal is sent to the controller 23, and the controller 23 controls the ventilation and heating device 22 to stop heating and supplying air, wherein the set first threshold value is 38 ℃, and the second threshold value is 28 ℃; when the temperature sensor 214 detects that the temperature of the contact surface of the user and the cushion 211 is higher than the first threshold value 38 ℃, the controller 23 controls the ventilation and heating device 22 to ventilate, so that the user is prevented from being awakened by heat to affect sleep, and when the temperature sensor 214 detects that the temperature is lower than the first threshold value 38 ℃, the controller 23 controls the ventilation and heating device 22 to stop working, so that energy waste is prevented, furthermore, when the temperature sensor 214 detects that the temperature of the contact surface of the user and the cushion 211 is lower than 28 ℃, the controller 23 controls the ventilation and heating device 22 to ventilate and heat, so that the user is prevented from being awakened by cold to affect sleep, and when the temperature sensor 214 detects that the temperature is higher than the second threshold value 28 ℃, the controller 23 controls the ventilation and heating device 22 to stop working, so that energy waste is prevented.
Preferably, the ventilation heating device 22 blows air with an amount of 550m3The heating temperature of the heating film 222 is 24 ℃ when heating is carried out, the air supply quantity is unchanged, the human body can feel comfortable under the air supply quantity and the heating temperature, feet are easy to cool due to the fact that the feet are far away from the heart in winter, the people are enabled to be waken up by freezing, the sleeping quality of the people is affected, the problem that the hands and the feet are cool can be solved through heating of the heating and ventilating device 22, and the sleeping quality of the people is improved.
Preferably, the soft pad 211 is internally provided with a solid-solid phase change material, the phase change temperature of the solid-solid phase change material is 20-30 ℃, preferably 20-25 ℃, the solid-solid phase change material is preferably polyethylene glycol with the average relative molecular weight of 500-800, more preferably polyethylene glycol with the average relative molecular weight of 500 (PEG-500, the phase change temperature is 20-25 ℃), wherein, the polyethylene glycol is an organic solid-solid phase transition material (a solid ordered molecular connection structure is changed into a solid disordered molecular connection structure), and the phase transition temperature of the polyethylene glycol is increased along with the increase of the polymerization degree, therefore, the average relative molecular weight of the material cannot be too high or too low, when the material reaches the phase transition temperature, reversible solid-solid phase transition can occur, heat can be absorbed or released, therefore, the temperature of the soft cushion is maintained within a certain temperature range (comfortable temperature of a human body), and the comfort level of the human body caused by the influence of overhigh or overlow temperature of the soft cushion on the sleeping is avoided. Moreover, this arrangement also reduces the use of the ventilation heating means 22, resulting in a significant energy saving.
Preferably, the soft pad 211 is further provided with a graphene heat dissipation material, and the thermal diffusivity of the graphene heat dissipation material is 2000mm2/s-2500mm2The heat conductivity coefficient of the graphene heat dissipation material is 3000W/(m K) -3500W/(m K); graphene has splendid heat conduction heat dispersion, and its heat conductivity is 10 times stronger than silver, through addding graphite alkene heat dissipation material, it can go out the quick conduction of phase change material absorptive heat, avoids the heat to gather, and the radiating effect that like this will be better than single phase change material that sets up. Therefore, the dual heat conduction and radiation arrangement of the graphene heat radiation material and the solid-solid phase change material is adopted, so that the heat radiation effect of the mattress can be greatly improved in hot summer, and the comfort level of the mattress can be improved.
Preferably, the controller 23 knows the specific position (i, j) of the mattress unit 21 detecting the pressure through the arrangement position of the mattress unit 21 to which the pressure sensor 212 transmitting the electrical signal belongs, so that the controller 23 can obtain a set X, wherein the set X is the position set of the mattress unit 21 detecting the pressure, and the area where the mattress units 21 distributed adjacently or nearby in the position in the set X are connected together is the area where the user applies the pressure to the smart bed, and the area is the contact area; outside the contact zone, the set Y of mattress units 21 for which no pressure is detected is a non-contact zone; the controller 23 can obtain the sleeping posture of the user as the back lying, side lying or prone lying by analyzing and processing the contact area, further analysis of the mattress unit 21 in the contact area, analysis of the force conditions on the mattress unit 21, when the sleeping posture is found to be incorrect, an instruction is sent to the supporting rod device 213 to control the supporting rod device 213 to work, if the analysis reveals that the left side of the supine back of the user applies a greater pressure to the mattress unit 21 than the right side, the controller 23 sends a command to the support bar assembly 213 of the right back mattress unit 21, the support bar assembly 213 raises the height according to the command, provides support to the right back of the user and, when the controller 23 receives an electrical signal sent to the pressure sensor 212, finds that the pressures on both sides are the same, the controller 23 sends an instruction to the supporting rod device 213 to control the supporting rod device 213 to stop rising, so as to finish fine adjustment of incorrect sleeping posture of the user; meanwhile, the controller 23 sends an instruction to the temperature sensor 214 of the contact area to control the temperature sensor 214 to work, and sends an instruction to the temperature sensor 214 of the non-contact area to control the mattress unit 21 to be in a dormant state, so that the temperature sensor 213 of the contact area works and the temperature sensor 214 of the non-contact area enters the dormant state, thereby improving the working efficiency and saving the energy consumption.
The beneficial effect of this embodiment is:
(1) by eliminating the influence of the weight on the pressure, the intelligent bed can be suitable for users with different weights, and meanwhile, the controller 23 obtains a more accurate pressure value without the influence of the weight, so that a more accurate instruction is given to the supporting rod device 213;
(2) the controller 23 sends an instruction to the supporting rod device 213 according to the electric signal transmitted by the pressure sensor 212, and controls the supporting rod device 213 to perform height adjustment, so as to adjust the sleeping posture of the user, correct the incorrect sleeping posture of the user, ensure the physical fitness of the user, and meanwhile, the intelligent bed has a massage function, so that the user can select a massage mode by himself, and the user can be relieved by massage;
(3) the temperature sensor 214 detects the temperature of the contact surface of the user and the soft cushion 211, and the controller 23 controls the ventilation and heating device 22 to ventilate and/or heat, so that the temperature can be regulated and controlled, the user can be in a comfortable temperature environment when sleeping, and the sleeping quality of the user can be improved.
Example 2
As shown in fig. 5 to 6, the present embodiment is different from embodiment 1 in that the head 1 of the present embodiment includes: a projector 11 and a bedside lamp 12; the projector 11 can be wirelessly connected with a mobile phone, is arranged at the top of the bed head 1 and is used for projecting images or videos; the bedside lamp 12 is used for lighting and is arranged at the top of the bedside 1, and a user controls the turning on and off of the bedside lamp 12 through a key switch.
Preferably, the projector 11 includes a projector body 111 and a projector base 112; the projector base 112 is a hemispherical hollow structure, the projector body 111 is a spherical structure, and the projector body 111 is nested in the projector base 112, can freely rotate up and down, left and right, and can project at different angles.
The beneficial effect of this embodiment is: the bedside lamp 12 is arranged, so that the illumination of a user at night is facilitated; the user need look over the image and watch the video demand when being in bed through setting up projecting apparatus 11, and projecting apparatus 11 can be from top to bottom left and right sides free rotation simultaneously, has improved user's viewing experience, and the user can both lean on head of a bed 1 to watch according to self needs, also can lie and watch on mattress 2.
Example 3
As shown in fig. 7, unlike embodiment 1, the bed frame 3 includes an ultraviolet sterilizing device 31, a night light 32 and a storage cabinet 33; the ultraviolet sterilization device 31 is electrically connected with the controller 23 and is used for regularly killing mites and sterilizing the intelligent bed, the controller 23 is set with ultraviolet sterilization cycle time, when the ultraviolet sterilization cycle time reaches, the controller 23 sends an instruction to the ultraviolet sterilization device 31, and the ultraviolet sterilization device 31 receives the instruction and then performs ultraviolet sterilization; the night light 32 is electrically connected to the controller 23, and is embedded around the bed frame 3 for night illumination, when the controller 23 receives and processes the electrical signal of the pressure sensor 212 and finds that the electrical signal of the pressure sensor 212 changes too much, the controller 23 sends an instruction to the night light 32 to control the night light 32 to illuminate; the storage cabinet 33 is arranged on the bed frame and used for storing articles, and the rest space of the bed is reasonably used.
The beneficial effect of this embodiment is: the bed is sterilized by ultraviolet at regular time, so that the sanitation of the bed is ensured, and the health of a user is guaranteed; the controller passes through the signal of telecommunication of pressure sensor 212 transmission, judges whether the people is getting up to night, and the illumination of night-light 32 has been controlled, has solved the user and need look for the problem that the lamp was opened when getting up to night evening.
Example 4
As shown in fig. 8, unlike embodiment 1, this embodiment is further provided with an external temperature sensor 215 electrically connected to the controller 23 at the head of the bed for detecting the external temperature, and the controller 23 is provided with a high threshold and a low threshold, wherein the high threshold is 29 ℃ and the low threshold is 12 ℃; when the temperature detected by the external temperature sensor 215 is higher than 29 ℃ and the temperature detected by the temperature sensor 214 of the mattress unit 21 is higher than 30 ℃, the two signals are transmitted to the controller 23, when the controller 23 receives the two signals at the same time, the controller 23 controls the ventilation and heating device to ventilate, and when the controller 23 receives only one of the two signals, the controller 23 does not control the ventilation and heating device 22 to work; when the temperature detected by the outside temperature sensor 215 is lower than 12 ℃, an electric signal is transmitted to the controller 23, and the temperature detected by the temperature sensor 214 of the mattress unit 21 is lower than 28 ℃, a signal is transmitted to the controller 23, when the controller 23 receives two electric signals at the same time, the controller 23 controls the ventilation and heating device 22 to ventilate and heat, and when the controller 23 receives only one of the two electric signals, the controller 23 does not control the ventilation and heating device 22 to operate.
The beneficial effect of this embodiment is: by incorporating the ambient temperature sensor 215 such that the ambient temperature sensor 215 cooperates with the temperature sensor 214 of the mattress unit 21, the controller 23 can more accurately determine the temperature and thus control the ventilation heating unit 22.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. An intelligent bed, comprising: a bed head, a bed frame and a mattress; wherein the content of the first and second substances,
the mattress comprises: a plurality of mattress units, ventilation heating means and a controller; wherein the content of the first and second substances,
the air supply outlet of the ventilation heating device is embedded among the mattress units, and the total air supply outlet is provided with a heating film for receiving the instruction of the controller to perform ventilation heating;
a plurality of said mattress units are arranged in a lateral and longitudinal array in sequence to form an array of mattress units, each said mattress unit comprising: the device comprises a soft cushion, a pressure sensor, a supporting rod device and a temperature sensor; wherein the content of the first and second substances,
the pressure sensor is disposed under the cushion and electrically connected to the controller for detecting a pressure Q applied by a user to the mattress unitij，QijRepresents the pressure value measured on the ith row and the jth column of mattress units, i is more than or equal to 1, j is more than or equal to 1, and the detected pressure QijConverted into electric signals and transmitted to the controller, and the controller receives the pressure Q in order to eliminate the influence of different body weights on the pressure valueijThen, the formula is used: pij＝A*QijW to QijProcessing to obtain pressure P for eliminating body weight influenceijWherein A is a pressure sensing coefficient, W is the weight of the user, and W is A PAIn which P isAIs the sum of the pressures measured by the pressure sensors of all the mattress units;
the support rod device is electrically connected with the controller, is arranged between the cushion and the pressure sensor and is used for supporting, fine-adjusting and massaging a user, the controller judges the sleeping posture of the user according to the received electric signal transmitted by the pressure sensor, when the user takes a supine sleeping posture and the pressures applied by the left back and the right back of the user to the pressure sensor are inconsistent through analysis, the controller sends an instruction to the corresponding mattress unit, the support rod device of the mattress unit adjusts the height of the support rod device according to the instruction, so that the sleeping posture of the user is finely adjusted, and the supine sleeping posture of the user is adjusted to be in a state of balancing the left back and the right back; when a user selects a massage mode through a key, the controller receives an electric signal transmitted by the key, sends an instruction to the supporting rod device, and controls the supporting rod device to change the height so as to massage the user;
temperature sensor with the controller electricity is connected, arranges in the contact surface below of cushion for detect the user with the temperature of cushion contact surface, and with signal transmission to detection result with the signal of telecommunication the controller, the controller is right according to receiving the signal of telecommunication ventilation heating device send instruction, control ventilation heating device ventilates and/or heats, realizes the regulation and control to the temperature.
2. The intelligent bed of claim 1, wherein the support rod device is a pneumatic rod, the height in the vertical direction is kept unchanged when the command transmitted by the controller is not received, and the height can be freely adjusted in the vertical direction when the command transmitted by the controller is received.
3. The intelligent bed of claim 2, wherein the telescopic speed and the telescopic height of the pneumatic rod satisfy the following relation: v = -1/15H +1, wherein V is the stretching speed of the pneumatic rod and is measured in cm/s, and H is the stretching height of the pneumatic rod and is measured in cm.
4. The intelligent bed according to claim 1, wherein the temperature sensor sends an electric signal to the controller when detecting that the temperature of the contact surface of the user and the soft cushion is higher than a set first threshold value, the controller controls the ventilation and heating device to supply air until the temperature is lower than the set first threshold value, the controller sends an electric signal to the controller, and the controller controls the ventilation and heating device to stop supplying air; when the temperature sensor detects that the temperature of the contact surface of the user and the soft cushion is lower than a set second threshold value, the temperature sensor sends an electric signal to the controller to control the ventilation heating device to heat and supply air, and when the temperature is detected to be higher than the set second threshold value, the temperature sensor sends an electric signal to the controller to control the ventilation heating device to stop heating and supplying air.
5. The intelligent bed of claim 4, wherein the ventilation heating device supplies air with an air supply amount of 550m when ventilating3And h, when heating is carried out, the heating temperature of the heating film is 24 ℃, and the air supply quantity is unchanged.
6. The intelligent bed of claim 1, wherein the controller divides the set of mattress units that detect pressure into contact areas and divides the set of mattress units that do not detect pressure into non-contact areas according to the position of the mattress units of the pressure sensor that detect pressure, and the controller sends instructions to the temperature sensor in the contact areas to control the temperature sensor to operate and sends instructions to the temperature sensor in the non-contact areas to control the temperature sensor to be in a sleep state.
7. The smart bed of claim 1, wherein the head of the bed comprises: projectors and bedside lights;
the projector can be wirelessly connected with a mobile phone, is arranged at the top of the bed head and is used for projecting images or videos;
the bedside lamp is used for lighting and arranged at the top of the bedside, and a user controls the turn-on and turn-off of the bedside lamp through a key switch.
8. The intelligent bed of claim 7, wherein the projector comprises a projector body and a projector base; the projector base is of a hemispherical hollow structure, the projector body is of a spherical structure, and the projector body is nested in the projector base and can freely rotate up and down, left and right to project at different angles.
9. The intelligent bed of claim 1, wherein the bed frame comprises an ultraviolet disinfection device, a night light and a locker;
the ultraviolet sterilization device is electrically connected with the controller and used for regularly removing mites and sterilizing the intelligent bed, the controller is set with ultraviolet sterilization cycle time, when the ultraviolet sterilization cycle time reaches, the controller sends an instruction to the ultraviolet sterilization device, and the ultraviolet sterilization device receives the instruction and then performs ultraviolet sterilization;
the controller is electrically connected with the controller, is embedded around the bedstead and is used for lighting at night, and when the controller receives and processes the electric signal of the pressure sensor and finds that the electric signal of the pressure sensor changes too much, the controller sends an instruction to the night lamp to control the night lamp to light;
the storage cabinet is arranged on the bedstead and used for storing articles.
10. The control method of the intelligent bed according to any one of claims 1 to 9, comprising sleeping posture adjustment and temperature adjustment; wherein the content of the first and second substances,
the sleeping posture adjustment comprises the following steps:
1) transmitting an electrical signal to the controller when the pressure sensor in the mattress unit detects a change in pressure of a user lying in bed;
2) the controller receives the electric signal transmitted by the pressure sensor, filters weight factors contained in the electric signal, analyzes the electric signal with the weight filtered, and sends an instruction to the supporting rod device according to an analysis result;
3) the supporting rod device receives the instruction sent by the controller and adjusts the height according to the instruction, so that the user's sleeping posture is adjusted;
the temperature regulation comprises the following steps:
a) when the temperature sensor detects that the temperature of the contact surface of the user and the soft cushion is not in a preset temperature range, transmitting an electric signal to the controller;
b) the controller receives the electric signal transmitted by the temperature sensor and sends an instruction to the ventilation heating device;
c) and the ventilation heating device receives the instruction sent by the controller and carries out ventilation heating according to the instruction, thereby completing the temperature regulation.
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