CN111000402A - Temperature adjusting method, storage medium and intelligent mattress - Google Patents
Temperature adjusting method, storage medium and intelligent mattress Download PDFInfo
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- CN111000402A CN111000402A CN201911274816.2A CN201911274816A CN111000402A CN 111000402 A CN111000402 A CN 111000402A CN 201911274816 A CN201911274816 A CN 201911274816A CN 111000402 A CN111000402 A CN 111000402A
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- 238000000034 method Methods 0.000 title claims abstract description 38
- 238000004321 preservation Methods 0.000 claims abstract description 55
- 230000007958 sleep Effects 0.000 claims abstract description 30
- 230000001105 regulatory effect Effects 0.000 claims abstract description 18
- 238000009413 insulation Methods 0.000 claims description 29
- 230000036544 posture Effects 0.000 claims description 22
- 238000012544 monitoring process Methods 0.000 claims description 6
- 230000001133 acceleration Effects 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 4
- 238000004422 calculation algorithm Methods 0.000 claims description 3
- 238000012216 screening Methods 0.000 claims description 2
- 238000004458 analytical method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000003670 easy-to-clean Effects 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 238000013480 data collection Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000011534 incubation Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 230000003860 sleep quality Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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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
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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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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/1927—Control of temperature characterised by the use of electric means using a plurality of sensors
- G05D23/193—Control of temperature characterised by the use of electric means using a plurality of sensors sensing the temperaure in different places in thermal relationship with one or more spaces
- G05D23/1931—Control of temperature characterised by the use of electric means using a plurality of sensors sensing the temperaure in different places in thermal relationship with one or more spaces to control the temperature of one space
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Bedding Items (AREA)
Abstract
The invention relates to a temperature adjusting method, a storage medium and an intelligent mattress, wherein the method comprises the following steps: upon detecting the presence of a human body and a covering on a mattress, acquiring first pressure data for a plurality of location points on the mattress; according to the acquired first pressure data of the plurality of position points, inquiring a sleep posture corresponding to the first pressure data of the plurality of position points and second pressure data of the plurality of position points when a human body in the sleep posture exists on the mattress and no covering exists; acquiring an output parameter of temperature regulating equipment; determining the heat preservation temperature of the covering at each position point according to the first pressure data of each position point, the second pressure data of each position point, the output parameters of the temperature regulating equipment, the prestored human body heat release power and the heat preservation performance parameters of the covering; and sending an instruction for adjusting the output parameters of the temperature adjusting equipment to the temperature adjusting equipment according to the determined heat preservation temperature of the covering at each position point.
Description
Technical Field
The invention relates to the technical field of intelligent home furnishing, in particular to a temperature adjusting method, a storage medium and an intelligent mattress.
Background
Sleep is an indispensable physiological phenomenon for all users. There are many factors that affect sleep, including the temperature felt by the user while sleeping. The main factors influencing the body feeling temperature of the user during sleeping have the heat preservation performance of bedding besides the external temperature. The warming effect of different bedding articles such as quilts and bedsheets used by users is inconsistent, and the temperature difference is brought to the body feeling. If the condition of changing bedding articles like season changing is met, the user needs to repeatedly adjust the temperature of the air conditioner for many times to reach the comfortable temperature of the user, and the user experience is poor.
According to the existing scheme, the intelligent household warm-keeping quilt is provided, and the sensor, the gyroscope, the microcontroller and the communication unit are arranged in the quilt, so that analysis data are collected, and external equipment is controlled to improve the sleeping quality of a user. However, this prior solution has the following drawbacks or problems: firstly, the difficulty of cleaning the quilt is increased by arranging equipment in the quilt; secondly, the quilt is very soft, various shapes can exist in use, and the difficulty of collecting and analyzing data by the equipment is increased due to the built-in equipment.
Disclosure of Invention
In order to solve the technical problems that a user needs to repeatedly adjust the temperature of an air conditioner for many times during sleeping, user experience is poor, an existing warm-keeping quilt is not easy to clean and analysis data is difficult to collect, the invention provides the temperature adjusting method, the storage medium and the intelligent mattress.
According to a first aspect of the present invention, there is provided a temperature adjustment method, the method comprising:
upon detecting the presence of a human body and a covering on a mattress, acquiring first pressure data for a plurality of location points on the mattress;
inquiring a sleep posture corresponding to the first pressure data of the plurality of position points and second pressure data of the plurality of position points when a human body in the sleep posture exists on the mattress and no covering exists from a knowledge base according to the acquired first pressure data of the plurality of position points, wherein the knowledge base stores a plurality of sleep postures and the second pressure data of the plurality of position points when the human body in each sleep posture exists on the mattress and no covering exists;
acquiring an output parameter of temperature regulating equipment;
determining the heat preservation temperature of the covering at each position point according to the first pressure data of each position point, the second pressure data of each position point, the output parameter of the temperature regulation equipment, the prestored human body heat release power and the heat preservation performance parameter of the covering;
and sending an instruction for adjusting the output parameters of the temperature adjusting equipment to the temperature adjusting equipment according to the determined heat preservation temperature of the covering at each position point.
Preferably, the method further comprises:
screening first pressure data of which the pressure value is greater than or equal to a preset pressure threshold value from the obtained first pressure data of the plurality of position points, and determining a position point corresponding to each screened first pressure data;
for a position point corresponding to each screened first pressure data, judging whether the position point has a covering or not based on the magnitude relation of the first pressure data and the second pressure data of the position point;
and when judging that the position points corresponding to the screened first pressure data with the preset number have no covering, sending an instruction for adjusting the indoor current temperature to the preset first temperature to the temperature adjusting equipment.
Preferably, the output parameter of the temperature regulating device comprises an output temperature;
the thermal insulation performance parameters of the covering include: density and material thermal conductivity of the cover;
determining the heat preservation temperature of the covering at each position point according to the first pressure data of each position point, the second pressure data of each position point, the output parameter of the temperature regulating device, the pre-stored heat release power of the human body and the heat preservation performance parameter of the covering, and the method comprises the following steps:
for each location point, the following steps are performed:
calculating the pressure of the covering on the mattress at the position point according to the first pressure data and the second pressure data of the position point;
calculating the thickness of the covering at the position point according to the pressure, the gravity acceleration and the density of the covering generated by the covering on the mattress at the position point;
and calculating the heat preservation temperature of the covering at each position point according to the thickness of the covering at the position point, the pre-stored heat release power of the human body, the output temperature of the temperature regulating device, the material thermal conductivity of the covering and the preset sectional area.
Preferably, the expression for calculating the insulation temperature of the cover at each location point is:
wherein, for each location point: t is2The holding temperature of the cover at the position point; l is the thickness of the cover at that point; k is the material thermal conductivity of the cover; a is a preset sectional area, in particular a preset sectional area vertical to the heat flow direction; p is the pre-stored power of human body heat release; t is1Is the output temperature of the temperature regulating device.
Preferably, the method further comprises:
establishing a multi-dimensional model for monitoring pressure changes, wherein the multi-dimensional model comprises: a position point abscissa coordinate axis, a position point ordinate coordinate axis, a first pressure data coordinate axis and a time coordinate axis of the position point;
inputting the abscissa, the ordinate, the first pressure data and the acquisition time of each acquired position point into the multi-dimensional model;
for a curved surface which is formed by the abscissa and the ordinate of each position point and the first pressure data and corresponds to each acquisition time in the multi-dimensional model, executing the following steps:
dividing the curved surface into a plurality of sub-curved surfaces, wherein each sub-curved surface is provided with a preset number of boundary points, the three-dimensional coordinate of each boundary point is composed of the abscissa and ordinate of a position point and first pressure data, and the preset number is more than or equal to three;
for each sub-curved surface, integrating the three-dimensional coordinates of the boundary points of the preset number of the sub-curved surfaces by using a closed curved surface integral calculation algorithm to obtain the pressure value of the sub-curved surface;
accumulating and calculating the pressure values of all the sub-curved surfaces to obtain the pressure value of the curved surface corresponding to the acquisition time,
and judging whether the difference value between the pressure values of the curved surfaces corresponding to the previous time or multiple times of acquisition time is greater than a preset threshold value, judging that the covering is replaced when the difference value is greater than the preset threshold value, and outputting reminding information for updating the heat insulation performance parameters of the covering.
Preferably, the method for adjusting the output parameters of the temperature adjusting device according to the determined heat preservation temperature of the covering at each position point comprises the following steps:
judging whether the average value of the heat preservation temperature of the covering at the position point corresponding to the screened first pressure data is in the range of the preset heat preservation temperature or not,
when the average value is smaller than the minimum value of the range of the preset heat preservation temperature, sending a command of increasing the output temperature to the temperature regulation equipment;
and when the average value is larger than the maximum value of the range of the preset heat preservation temperature, sending a command of reducing the output temperature to the temperature regulation equipment.
Preferably, the method for adjusting the output parameters of the temperature adjusting device according to the determined heat preservation temperature of the covering at each position point comprises the following steps:
judging whether the heat preservation temperature of the covering at the position point corresponding to each screened first pressure data is within a preset heat preservation temperature range or not;
when the heat preservation temperature at the position points exceeding the preset number is smaller than the minimum value of the range of the preset heat preservation temperature, sending an instruction of increasing the output temperature to the temperature regulation equipment, or
And when the heat preservation temperature at the position points exceeding the preset number is larger than the maximum value of the range of the preset heat preservation temperature, sending a command of reducing the output temperature to the temperature regulation equipment.
Preferably, the first pressure data of the plurality of position points are acquired by a plurality of pressure acquisition devices arranged in the mattress;
the temperature adjusting device comprises an air conditioner.
According to a second aspect of the present invention, there is provided a storage medium having stored thereon executable code which, when executed by a processor, is capable of implementing the temperature adjustment method described above.
According to a third aspect of the invention, there is provided a smart mattress comprising:
a plurality of pressure acquisition devices;
a processor; and
a memory having stored thereon executable code which when executed by the processor is capable of implementing the temperature regulation method described above.
Compared with the prior art, one or more embodiments in the above scheme can have the following advantages or beneficial effects:
by applying the temperature adjusting method, the storage medium and the intelligent mattress provided by the embodiment of the invention, when a user sleeps, the heat insulation performance of the covering at a plurality of positions on the bed can be obtained by detecting and analyzing the pressure data of the plurality of positions on the mattress, and the output temperature of the temperature adjusting device is adjusted according to the heat insulation performance of the covering, so that the effect of automatically adjusting the temperature for the user during sleeping is achieved, the technical problems that the user needs to repeatedly adjust the air conditioner temperature for a plurality of times during sleeping, the user experience is poor, the heat insulation quilt is not easy to clean and the analysis data is difficult to collect in the existing scheme are solved, the user experience is improved, the night operation efficiency of the air conditioner is improved, and the sleeping quality of the user is ensured.
Furthermore, the embodiment of the invention can detect whether the user has a cover, and when detecting that a certain part of the human body has no cover or all has no cover, the temperature of the temperature regulating device is increased, so that the user is prevented from catching a cold.
Furthermore, the embodiment of the invention establishes the multidimensional model for monitoring the pressure change, continuously records the acquired pressure data by using the multidimensional model, analyzes the pressure data to obtain whether the covering is replaced, and outputs the reminding information for updating the heat preservation performance parameters of the covering when the covering is judged to be replaced, thereby ensuring the accuracy of calculating the heat preservation performance of the covering.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
Fig. 1 is a schematic flow chart of a temperature adjustment method according to an embodiment of the invention.
Fig. 2 schematically shows a smart mattress according to an embodiment of the invention.
Detailed Description
The following detailed description of the embodiments of the present invention will be provided with reference to the drawings and examples, so that how to apply the technical means to solve the technical problems and achieve the technical effects can be fully understood and implemented. It should be noted that, as long as there is no conflict, the embodiments and the features of the embodiments of the present invention may be combined with each other, and the technical solutions formed are within the scope of the present invention.
In order to solve the technical problems that in the prior art, a user needs to repeatedly adjust the temperature of an air conditioner for many times during sleeping, the user experience is poor, an existing warm-keeping quilt is not easy to clean, and the difficulty in data acquisition and analysis is high, the invention provides a temperature adjusting method, a storage medium and an intelligent mattress.
Fig. 1 is a schematic flow chart of a temperature adjustment method according to an embodiment of the invention. As shown in fig. 1, the temperature adjustment method according to the embodiment of the present invention includes:
step S11: upon detecting the presence of a human body and a covering on a mattress, acquiring first pressure data for a plurality of location points on the mattress;
step S12: inquiring a sleep posture corresponding to the first pressure data of the plurality of position points and second pressure data of the plurality of position points when a human body in the sleep posture exists on the mattress and no covering exists from a knowledge base according to the acquired first pressure data of the plurality of position points, wherein the knowledge base stores a plurality of sleep postures and the second pressure data of the plurality of position points when the human body in each sleep posture exists on the mattress and no covering exists;
step S13: acquiring an output parameter of temperature regulating equipment;
step S14: determining the heat preservation temperature of the covering at each position point according to the first pressure data of each position point, the second pressure data of each position point, the output parameter of the temperature regulation equipment, the prestored human body heat release power and the heat preservation performance parameter of the covering;
step S15: and sending an instruction for adjusting the output parameters of the temperature adjusting equipment to the temperature adjusting equipment according to the determined heat preservation temperature of the covering at each position point.
The respective steps of the temperature adjustment method according to the embodiment of the present invention will be described in detail with reference to fig. 1.
In order to detect pressure data at a plurality of points on the mattress, embodiments of the invention preferably provide a plurality of pressure sensors in the mattress, each pressure sensor for detecting pressure data at one point, for example. The plurality of pressure sensors may be uniformly distributed around the mattress, or may be distributed only in the area where the user frequently sleeps (lies), but the present invention is not limited thereto.
In consideration of the wide variety of bedding articles, the thermal insulation performance parameters such as thermal resistivity, density, thermal conductivity and Crohn value of each material are different. In order to facilitate the calculation of the insulation performance (insulation temperature) of the cover, it is preferred that before the steps are performed, the insulation performance parameters of the cover are obtained, for example, the insulation performance parameters of the cover are input by a user before the mattress is put into actual use, and then the input insulation performance parameters of the cover are stored by the memory for the calculation of the insulation temperature of the subsequent cover. In an embodiment of the invention, the thermal insulation performance parameters of the covering include, for example: density of the cover and material thermal conductivity.
In the embodiment of the present invention, the steps S11 to S15 are triggered, for example, by receiving an execution instruction of a user or setting a time period for executing the steps. For example, when the user is ready to sleep, the user issues an instruction to execute steps S11 to S15 through the APP client, or directly inputs an execution instruction on the input device of the mattress through voice input or click input, or sets a mode to execute steps S11 to S15 at 23 to 6 points, for example, but the invention is not limited thereto.
In step S11, first pressure data of a plurality of location points on the mattress is collected, for example, by a plurality of pressure sensors disposed in the mattress, wherein the first pressure data is pressure data of a human body and a covering on the mattress. Preferably, the first pressure data of the plurality of location points is collected once every preset time period, although it may be collected in real time, and the invention is not limited thereto.
In step S12, the controller disposed in the mattress receives the first pressure data collected by the sensor, for example, and inquires, from the acquired first pressure data of the plurality of location points, a sleep posture corresponding to the first pressure data of the plurality of location points and second pressure data of the plurality of location points when a human body in the sleep posture is present on the mattress and no covering is present.
Preferably, the sleep posture corresponding to the first pressure data of the plurality of location points and the second pressure data of the plurality of location points when the human body in the sleep posture exists on the mattress and the covering does not exist are inquired from a knowledge base local to the mattress or a knowledge base on the server side.
In an embodiment of the invention, the knowledge base stores second pressure data for a plurality of sleep positions and a plurality of location points where a human body in each sleep position is present on the mattress and no covering is present.
Specifically, for each user, historical stress data is collected while the user is asleep. For example, first pressure data corresponding to various sleep postures of the user when the quilt is covered and second pressure data corresponding to various sleep postures of the user when the quilt is uncovered are collected. For example, when the user lies down, lies right, lies left or lies in other sleeping postures, the first pressure data acquired by each pressure sensor when covering a quilt is more than the second pressure data acquired by each pressure sensor when not covering a quilt, and the acquired first pressure data, second pressure data and sleeping postures are mapped and stored in the knowledge base. Therefore, when new first pressure data is acquired, the corresponding sleep posture and the second pressure data in the sleep posture can be inquired according to the mapping relation.
In step S13, an output parameter of the temperature regulating device is acquired, wherein the output parameter includes an output temperature. For example, by binding the mattress with the temperature adjustment device, the mattress can obtain the current output temperature of the temperature adjustment device after binding.
In step S14, the heat preservation temperature of the covering at each location point is determined according to the first pressure data of each location point, the second pressure data of each location point, the output parameter of the temperature adjustment device, the pre-stored power of the human body heat release and the heat preservation performance parameter of the covering.
Specifically, for each position point, the following steps are performed:
step one, calculating the pressure of the covering on the mattress at the position point according to the first pressure data and the second pressure data of the position point. For example, the first pressure data of the position point is used for subtracting the second pressure data, so that the interference of the human body can be removed, and the pressure of the covering on the mattress at the position point is obtained.
And step two, calculating the thickness of the covering at the position point according to the pressure, the gravity acceleration and the density of the covering on the mattress at the position point. The gravity acceleration and the density of the covering are removed, for example, by the pressure exerted by the covering on the mattress at that point, resulting in the thickness of the covering at that point.
And step three, calculating the heat preservation temperature of the covering at each position point according to the thickness of the covering at the position point, the pre-stored heat release power of the human body, the output temperature of the temperature adjusting device, the material thermal conductivity of the covering and the preset sectional area.
The expression for calculating the holding temperature of the cover at each location point is:
wherein, for each location point: t is2The incubation temperature of the cover at that point; l is the thickness of the cover at that point; k is the material thermal conductivity of the cover; a is a preset sectional area, in particular a preset sectional area vertical to the heat flow direction; p is the prestored heat release power of the human body; t is1It is the output temperature of the temperature adjusting device, or the current indoor temperature.
After the insulation temperatures of the coverings at the respective location points are obtained, in step S15, an instruction to adjust the output parameters thereof is issued to the temperature adjusting device in accordance with the determined insulation temperatures of the coverings at the respective location points.
For example, when the bedding material has weak heat preservation capability and is thinner, the temperature is properly increased; when the bedding is made of a material with strong heat preservation capability and thicker thickness, the temperature is properly reduced.
Because the mattress is relatively large compared with the human body, the human body cannot occupy the whole mattress area during sleeping. Preferably, the embodiment of the invention takes the heat preservation temperature of the covering of the area where the human body is located as the temperature regulation standard.
As an embodiment, first pressure data with a pressure value greater than or equal to a preset pressure threshold value is screened from the acquired first pressure data of the plurality of location points, and a location point corresponding to each screened first pressure data is determined. That is, for example, the position points where the human body is located are determined from 50 position points of the mattress, for example, 10.
And then, judging whether the average value of the heat preservation temperature of the covering at the position point corresponding to the screened first pressure data is in the range of the preset heat preservation temperature. That is, taking 10 points where the human body is located as an example, the average value of the insulation temperature of the covering at the 10 points is calculated. The preset temperature range can be flexibly set according to actual conditions, and the invention is not limited to the preset temperature range.
Preferably, the temperature control device is instructed to increase the output temperature when the average value is smaller than the minimum value of the range of the preset holding temperature, and instructed to decrease the output temperature when the average value is larger than the maximum value of the range of the preset holding temperature.
As another embodiment, it is determined whether the insulation temperature of the cover at the position point corresponding to each screened first pressure data is within the preset insulation temperature range. That is, taking 10 positions of the human body as an example, it is determined whether the insulation temperature of the covering at each of the 10 positions is within the preset insulation temperature range.
Preferably, the output temperature is commanded to be increased to the temperature adjusting device when the temperature-maintaining temperature at the position points exceeding the preset number is smaller than the minimum value of the range of the preset temperature-maintaining temperature, or the output temperature is commanded to be decreased to the temperature adjusting device when the temperature-maintaining temperature at the position points exceeding the preset number is larger than the maximum value of the range of the preset temperature-maintaining temperature. For example, the preset number is 3, which can be flexibly set according to the actual situation, and the present invention is not limited thereto. Taking the preset number of 3 as an example, if the heat preservation temperature at each of the 4 position points is smaller than the minimum value of the range of the preset heat preservation temperature, an instruction for increasing the output temperature is sent to the temperature adjusting device. Or, for example, when the heat-retaining temperature at each of the 4 position points is greater than the maximum value of the range of the preset heat-retaining temperature, an instruction to lower the output temperature is issued to the temperature adjusting device.
As a more preferable implementation manner, the embodiment of the present invention detects whether there is a covering on the body of the user, and when it is detected that there is no covering on a certain part of the body or there is no covering on the whole body, the temperature of the temperature adjusting device is increased.
Specifically, for a position point corresponding to each screened first pressure data, judging whether the position point has a covering or not based on the magnitude relation of the first pressure data and the second pressure data of the position point;
and when judging that the position points corresponding to the screened first pressure data with the preset number have no covering, sending an instruction for adjusting the indoor current temperature to the preset first temperature to the temperature adjusting equipment.
That is, for a position point where a human body is located, if the first pressure data of the position point is greater than the second pressure data of the position point, it indicates that the human body has a covering at the position point, otherwise, it indicates that the human body does not have a covering at the position point. For the position points where the human body is located, when the position points with the preset number are judged to be not covered by the covering, an instruction for adjusting the indoor current temperature to the preset first temperature is sent to the temperature adjusting equipment, namely, the temperature of the temperature adjusting equipment is increased, and the user is prevented from catching a cold.
As a more preferable implementation manner, the embodiment of the present invention analyzes the pressure data to determine whether the covering has been replaced, and outputs a prompt message for updating the thermal insulation performance parameter of the covering when it is determined that the covering has been replaced.
Specifically, the embodiment of the present invention establishes a multidimensional model for monitoring pressure changes, wherein the multidimensional model comprises: a position point abscissa axis, a position point ordinate axis, a first pressure data axis of the position point, and a time axis.
When pressure data is acquired each time, the abscissa, the ordinate, the first pressure data, and the acquisition time of each acquired position point are input to a multidimensional model for monitoring pressure changes.
And judging whether the covering is replaced by utilizing the multi-dimensional model, specifically:
for a curved surface which is formed by the abscissa and the ordinate of each position point and the first pressure data and corresponds to each acquisition time in the multi-dimensional model, the following steps are executed:
dividing the curved surface into a plurality of sub-curved surfaces, wherein each sub-curved surface is provided with a preset number of boundary points, the three-dimensional coordinate of each boundary point is composed of the abscissa and ordinate of a position point and first pressure data, and the preset number is more than or equal to three, preferably four; that is, the abscissa, the ordinate, and the first pressure data of the four position points may be used to calculate the pressure value of one sub-surface.
For each sub-curved surface, integrating the three-dimensional coordinates of the boundary points of the preset number of the sub-curved surfaces by using a closed curved surface integral calculation algorithm to obtain the pressure value of the sub-curved surface;
accumulating and calculating the pressure values of all the sub-curved surfaces to obtain the pressure value of the curved surface corresponding to the acquisition time,
and judging whether the difference value between the pressure values of the curved surfaces corresponding to the previous time or multiple times of acquisition time is greater than a preset threshold value, judging that the covering is replaced when the difference value is greater than the preset threshold value, and outputting reminding information for updating the heat insulation performance parameters of the covering.
Correspondingly, the embodiment of the invention also provides an intelligent mattress, and fig. 2 schematically shows the intelligent mattress according to the embodiment of the invention. As shown in fig. 2, the smart mattress includes:
a plurality of pressure acquisition devices 201;
a processor 202; and
a memory 203 having stored thereon executable code which, when executed by the processor 202, is capable of implementing the temperature regulation method described above.
Accordingly, the embodiment of the present invention also provides a storage medium, on which executable code is stored, and the executable code can realize the temperature adjusting method when being executed by a processor.
In summary, embodiments of the present invention provide a temperature adjustment method, a storage medium, and an intelligent mattress, when a user sleeps, the thermal insulation performance of a cover at multiple positions on a bed can be obtained by detecting and analyzing pressure data at multiple positions on the mattress, and the output temperature of a temperature adjustment device is adjusted according to the thermal insulation performance of the cover, so that an effect of automatically adjusting the temperature for the user during sleeping is achieved, technical problems that the user needs to repeatedly adjust the air conditioner temperature for multiple times during sleeping, the user experience is poor, a thermal quilt is not easily cleaned, and data collection and analysis are difficult in data collection are solved, the user experience is improved, the night operation efficiency of the air conditioner is improved, and the sleep quality of the user is ensured.
Furthermore, the embodiment of the invention can detect whether the user has a cover, and when detecting that a certain part of the human body has no cover or all has no cover, the temperature of the temperature regulating device is increased, so that the user is prevented from catching a cold.
Furthermore, the embodiment of the invention establishes the multidimensional model for monitoring the pressure change, continuously records the acquired pressure data by using the multidimensional model, analyzes the pressure data to obtain whether the covering is replaced, and outputs the reminding information for updating the heat preservation performance parameters of the covering when the covering is judged to be replaced, thereby ensuring the accuracy of calculating the heat preservation performance of the covering.
Those skilled in the art will appreciate that the modules or steps of the invention described above can be implemented in a general purpose computing device, centralized on a single computing device or distributed across a network of computing devices, and optionally implemented in program code that is executable by a computing device, such that the modules or steps are stored in a memory device and executed by a computing device, fabricated separately into integrated circuit modules, or fabricated as a single integrated circuit module. Thus, the present invention is not limited to any specific combination of hardware and software.
The processes, functions, methods, and/or software described above may be recorded, stored, or fixed in one or more computer-readable storage media that include program instructions to be implemented by a computer to cause a processor to execute the program instructions. The media may also include program instructions, data files, data structures, etc., alone or in combination. The media or program instructions may be those specially designed and constructed for the purposes of the computer software industry, or they may be of the kind well known and available to those having skill in the computer software arts. Examples of computer readable media include: magnetic media such as hard disks, floppy disks, and magnetic tape; optical media, such as CDROM disks and DVDs; magneto-optical media, e.g., optical disks; and hardware devices specifically configured to store and execute program instructions, such as Read Only Memory (ROM), Random Access Memory (RAM), flash memory, and the like. Examples of program instructions include both machine code, such as produced by a compiler, and files containing higher level code that may be executed by the computer using an interpreter. The described hardware devices may be configured to act as one or more software modules to perform the operations and methods described above, and vice versa. In addition, computer readable storage media may be distributed over network coupled computer systems and may store and execute computer readable code or program instructions in a distributed fashion.
Although the embodiments of the present invention have been described above, the above description is only for the convenience of understanding the present invention, and is not intended to limit the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A method of temperature regulation, comprising:
upon detecting the presence of a human body and a covering on a mattress, acquiring first pressure data for a plurality of location points on the mattress;
inquiring a sleep posture corresponding to the first pressure data of the plurality of position points and second pressure data of the plurality of position points when a human body in the sleep posture exists on the mattress and no covering exists from a knowledge base according to the acquired first pressure data of the plurality of position points, wherein the knowledge base stores a plurality of sleep postures and the second pressure data of the plurality of position points when the human body in each sleep posture exists on the mattress and no covering exists;
acquiring an output parameter of temperature regulating equipment;
determining the heat preservation temperature of the covering at each position point according to the first pressure data of each position point, the second pressure data of each position point, the output parameter of the temperature regulation equipment, the prestored human body heat release power and the heat preservation performance parameter of the covering;
and sending an instruction for adjusting the output parameters of the temperature adjusting equipment to the temperature adjusting equipment according to the determined heat preservation temperature of the covering at each position point.
2. The method of claim 1, further comprising:
screening first pressure data of which the pressure value is greater than or equal to a preset pressure threshold value from the obtained first pressure data of the plurality of position points, and determining a position point corresponding to each screened first pressure data;
for a position point corresponding to each screened first pressure data, judging whether the position point has a covering or not based on the magnitude relation of the first pressure data and the second pressure data of the position point;
and when judging that the position points corresponding to the screened first pressure data with the preset number have no covering, sending an instruction for adjusting the indoor current temperature to the preset first temperature to the temperature adjusting equipment.
3. The method of claim 1,
the output parameter of the temperature regulating device comprises an output temperature;
the thermal insulation performance parameters of the covering include: density and material thermal conductivity of the cover;
determining the heat preservation temperature of the covering at each position point according to the first pressure data of each position point, the second pressure data of each position point, the output parameter of the temperature regulating device, the pre-stored heat release power of the human body and the heat preservation performance parameter of the covering, and the method comprises the following steps:
for each location point, the following steps are performed:
calculating the pressure of the covering on the mattress at the position point according to the first pressure data and the second pressure data of the position point;
calculating the thickness of the covering at the position point according to the pressure, the gravity acceleration and the density of the covering generated by the covering on the mattress at the position point;
and calculating the heat preservation temperature of the covering at each position point according to the thickness of the covering at the position point, the pre-stored heat release power of the human body, the output temperature of the temperature regulating device, the material thermal conductivity of the covering and the preset sectional area.
4. The method of claim 3, wherein the expression for calculating the soak temperature of the cover at each location point is:
wherein, for each location point: t is2The holding temperature of the cover at the position point; l is the thickness of the cover at that point; k is the material thermal conductivity of the cover; a is a preset sectional area, in particular a preset sectional area vertical to the heat flow direction; p is the prestored heat release power of the human body; t is1Is the output temperature of the temperature regulating device.
5. The method of claim 1, further comprising:
establishing a multi-dimensional model for monitoring pressure changes, wherein the multi-dimensional model comprises: a position point abscissa coordinate axis, a position point ordinate coordinate axis, a first pressure data coordinate axis and a time coordinate axis of the position point;
inputting the abscissa, the ordinate, the first pressure data and the acquisition time of each acquired position point into the multi-dimensional model;
for a curved surface which is formed by the abscissa and the ordinate of each position point and the first pressure data and corresponds to each acquisition time in the multi-dimensional model, executing the following steps:
dividing the curved surface into a plurality of sub-curved surfaces, wherein each sub-curved surface is provided with a preset number of boundary points, the three-dimensional coordinate of each boundary point is composed of the abscissa and ordinate of a position point and first pressure data, and the preset number is more than or equal to three;
for each sub-curved surface, integrating the three-dimensional coordinates of the boundary points of the preset number of the sub-curved surfaces by using a closed curved surface integral calculation algorithm to obtain the pressure value of the sub-curved surface;
accumulating and calculating the pressure values of all the sub-curved surfaces to obtain the pressure value of the curved surface corresponding to the acquisition time,
and judging whether the difference value between the pressure values of the curved surfaces corresponding to the previous time or multiple times of acquisition time is greater than a preset threshold value, judging that the covering is replaced when the difference value is greater than the preset threshold value, and outputting reminding information for updating the heat insulation performance parameters of the covering.
6. The method of claim 2, wherein commanding a temperature regulating device to adjust its output parameters based on the determined insulation temperature of the covering at each location point comprises:
judging whether the average value of the heat preservation temperature of the covering at the position point corresponding to the screened first pressure data is in the range of the preset heat preservation temperature or not,
when the average value is smaller than the minimum value of the range of the preset heat preservation temperature, sending a command of increasing the output temperature to the temperature regulation equipment;
and when the average value is larger than the maximum value of the range of the preset heat preservation temperature, sending a command of reducing the output temperature to the temperature regulation equipment.
7. The method of claim 2, wherein commanding a temperature regulating device to adjust its output parameters based on the determined insulation temperature of the covering at each location point comprises:
judging whether the heat preservation temperature of the covering at the position point corresponding to each screened first pressure data is within a preset heat preservation temperature range or not;
when the heat preservation temperature at the position points exceeding the preset number is smaller than the minimum value of the range of the preset heat preservation temperature, sending an instruction of increasing the output temperature to the temperature regulation equipment, or
And when the heat preservation temperature at the position points exceeding the preset number is larger than the maximum value of the range of the preset heat preservation temperature, sending a command of reducing the output temperature to the temperature regulation equipment.
8. The method of claim 1,
the first pressure data of the position points are acquired by a plurality of pressure acquisition devices arranged in the mattress;
the temperature adjusting device comprises an air conditioner.
9. A storage medium having stored thereon executable code which when executed by a processor is capable of implementing a method of temperature regulation as claimed in any one of claims 1 to 8.
10. A smart mattress comprising:
a plurality of pressure acquisition devices;
a processor; and
a memory having stored thereon executable code which when executed by the processor is capable of implementing the method of temperature regulation according to any one of claims 1 to 8.
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| CN113951686A (en) * | 2021-10-08 | 2022-01-21 | 杭州顾家寝具有限公司 | Intelligent mattress control method, system and storage medium |
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