CN108567259B - High-precision intelligent temperature control sofa and control method - Google Patents
High-precision intelligent temperature control sofa and control method Download PDFInfo
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- CN108567259B CN108567259B CN201810298819.9A CN201810298819A CN108567259B CN 108567259 B CN108567259 B CN 108567259B CN 201810298819 A CN201810298819 A CN 201810298819A CN 108567259 B CN108567259 B CN 108567259B
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000010438 heat treatment Methods 0.000 claims abstract description 66
- 230000008859 change Effects 0.000 claims abstract description 14
- 210000001624 hip Anatomy 0.000 claims description 23
- 210000000689 upper leg Anatomy 0.000 claims description 15
- 230000007613 environmental effect Effects 0.000 claims description 13
- 238000001816 cooling Methods 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 230000001960 triggered effect Effects 0.000 claims description 9
- 210000001217 buttock Anatomy 0.000 claims description 7
- 230000000630 rising effect Effects 0.000 claims description 7
- 238000004364 calculation method Methods 0.000 claims description 6
- 230000001276 controlling effect Effects 0.000 claims description 6
- 244000309466 calf Species 0.000 claims description 5
- 230000036760 body temperature Effects 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 230000035945 sensitivity Effects 0.000 claims description 3
- 230000009467 reduction Effects 0.000 claims description 2
- 238000004891 communication Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000003247 decreasing effect Effects 0.000 description 3
- 238000005485 electric heating Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000276 sedentary effect Effects 0.000 description 2
- 230000002618 waking effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012417 linear regression Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- A47C17/02—Sofas, couches, settees, or the like, without movable parts
-
- 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
-
- 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
-
- 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
- A47C31/008—Use of remote controls
-
- 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
-
- 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
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B2220/00—General furniture construction, e.g. fittings
- A47B2220/0091—Electronic or electric devices
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Nursing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control Of Temperature (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention relates to a control method of a high-precision intelligent temperature control sofa, which comprises the following steps of 1) detecting whether a human body contacts the surface of a sofa seat, if so, entering step 2); step 2) detecting the ambient temperature t around the sofa Ring(s) If the ambient temperature t Ring(s) If the temperature is less than the environment set temperature, entering the step 3), otherwise, returning to the step 1); step 3) detecting the contact surface temperature t between the sofa seat and the human body Splicing joint If the contact surface temperature t Splicing joint Less than the comfort target temperature t (Comfort) And the temperature offset t Offset of deflection And is smaller than the maximum set temperature t max Step 4) is entered; step 4) controlling a heating device to heat, and repeating the steps 1-4) until the contact surface temperature t Splicing joint Greater than the comfort target temperature t (Comfort) And the temperature offset t Offset of deflection The sum of or equal to the maximum set temperature t max The sofa control system stops heating, and the user automatically sets the temperature change mode, so that the temperature change speed can be set, and the problem that the temperature cannot change along with time is solved.
Description
Technical Field
The invention relates to the field of temperature control sofas, in particular to a high-precision intelligent temperature control sofa and a control method.
Background
The problem that the seat is too cool uncomfortable has been solved to traditional electrical heating sofa, but sedentary easy fires, and the good temperature of setting also becomes unsuitable after indoor humiture changes. The adjustable gear of the traditional electric heating sofa is less, the adjusting mode is simpler, only the fixed temperature is set, and the temperature is difficult to adjust to the comfortable temperature.
The body temperature of a person is continuously changed in the sleeping process, the body temperature gradually drops in the sleeping stage, and the body temperature gradually rises before waking up. The temperature is higher in the sleeping stage, so that people feel dryness heat, the low temperature in the waking stage is uncomfortable, the traditional electric heating sofa is heated at a fixed temperature, the requirement of temperature change along with time cannot be met, and uncomfortable feeling exists.
The above-listed problems are mainly because the conventional electrically heated sofa is heated with a fixed power, and the user needs to flexibly adjust the temperature according to the temperature sensing degree, which is determined by the ambient temperature and the ambient humidity in the indoor environment.
Disclosure of Invention
The invention aims to provide a high-precision intelligent temperature control sofa which has the advantages of simple structure, simple manufacture, low manufacture cost and the like.
The invention aims at realizing the following technical scheme:
a control method of a high-precision intelligent temperature control sofa comprises the following steps:
step 1) detecting whether a human body contacts the surface of the sofa seat, if so, entering step 2);
step 2) detecting the ambient temperature t around the sofa Ring(s) If the ambient temperature t Ring(s) If the temperature is less than the environment set temperature, entering the step 3), otherwise, returning to the step 1);
step 3) detecting the contact surface temperature t between the sofa seat and the human body Splicing joint If the contact surface temperature t Splicing joint Less than the comfort target temperature t (Comfort) And the temperature offset t Offset of deflection And is smaller than the maximum set temperature t max Step 4) is entered;
step 4) controlling a heating device to heat, and repeating the steps 1-4) until the contact surface temperature t Splicing joint Greater than the comfort target temperature t (Comfort) And the temperature offset t Offset of deflection The sum of or equal to the maximum set temperature t max The heating is stopped.
In a preferred embodiment, the comfort target temperature t in step 3) is (Comfort) Calculated using the following formula:
wherein,
h ring(s) Is the ambient humidity;
j is back, waist, buttocks and thighCode parameters of lower leg, a j 、b j 、c j 、d j 、e j 、f j Is a floating point number parameter that varies as the code parameter j varies.
In a preferred embodiment, the temperature offset t in step 3) is Offset of deflection The calculation formula of (2) is as follows:
t offset of deflection ＝t Fixing device +t Dynamic movement ；
t Fixing device To set the offset ration, t Fixed min ＜t Fixing device ＜t Max is fixed ；
t Dynamic movement Is a dynamic offset variable that varies with mode adjustment time.
In a preferred embodiment, the dynamic offset variable t Dynamic movement The temperature regulating device is provided with three temperature regulating modes, namely a constant temperature mode, a temperature reducing mode and a temperature rising mode, wherein t is selected from the three temperature regulating modes Dynamic movement The calculation formula of (2) is as follows:
t in constant temperature mode Dynamic movement ＝0；
In cooling mode
In the heating mode
Wherein,
alpha is sensitivity parameter to influence temperature change speed;
t is the time counted from the start of the set temperature mode.
In a preferred embodiment, the set offset is by an amount t Fixing device The temperature control device comprises three temperature control modes, namely a constant temperature mode, a temperature reduction mode and a temperature rise mode, wherein the constant temperature mode is triggered in an initial state in the three temperature control modes, and a is entered; if the heating mode is triggered, entering b; if the cooling mode is triggered, entering c;
a、t fixing device Has a constant state;
b. retrieving an initial set offset amount t Fixing device If t Fixing device Less than the maximum offset ration t Max is fixed Temperature offset t Fix +1 Stored as an initial set offset amount t Fixing device ；
c. Retrieving an initial set offset amount t Fixing device If t Fixing device Greater than the minimum offset ration t min Temperature offset t Ding-1 Stored as an initial set offset amount t Fixing device 。
The high-precision intelligent temperature control sofa using the control method comprises a sofa body, and is characterized in that a control main board, a contact switch, an environment acquisition module, a temperature adjustment setting module and a heating control module are arranged on the sofa body, wherein the contact switch, the environment acquisition module, the temperature adjustment setting module and the heating control module are electrically connected with the control main board respectively, and the control main board is arranged on the sofa body:
the contact switch is connected with a contact switch control circuit, and the contact switch control circuit sends a man signal;
the environment acquisition module acquires the ambient temperature t around the sofa body through various sensors Ring(s) Ambient humidity h Ring(s) Contact surface temperature t of sofa body and human body Splicing joint Verifying the environmental information according to the heating starting condition, and sending the environment information containing the environmental temperature t Ring(s) Ambient humidity h Ring(s) With contact surface temperature t Splicing joint A heating start signal of (a);
the temperature adjusting module is used for collecting temperature adjusting mode signals, switching the temperature adjusting modes, and embedding a timing circuit for recording temperature adjusting time t, wherein the temperature adjusting modes comprise a constant temperature mode, a temperature reducing mode and a temperature rising mode, and the temperature offset t corresponding to the temperature adjusting modes is obtained Offset of deflection Transmitting a temperature offset signal;
the control main board receives the man signal and processes the heating start signal and the temperature deviation signal, and according to the ambient temperature t Ring(s) With ambient humidity h Ring(s) Obtaining a comfortable target temperature t (Comfort) The contact surface temperature t Splicing joint Target temperature t of comfort (Comfort) Temperature offset t Offset of deflection And, feeding back a heating control signal;
the heating control module is internally provided with a relay and a heating device, and the relay receives a heating control signal and controls the heating device to be started and stopped.
In a preferred embodiment, the environment acquisition module comprises a contact temperature sensor, an environment temperature sensor and an environment humidity sensor, wherein the contact temperature sensor is arranged on a contact surface between the sofa body and a human body, and the environment temperature sensor and the environment humidity sensor are both arranged on a non-contact surface between the sofa body and the human body.
In a preferred embodiment, the temperature adjustment setting module comprises an external controller, a Wen Pian fixed quantum module, a temperature deviation quantum module and a temperature deviation signal transmitting sub-module, wherein the external controller is provided with a temperature adjustment button, a display prompting device and a temperature adjustment control circuit, and the temperature adjustment button and the display prompting device are electrically connected with the temperature adjustment control circuit; the temperature regulation control circuit is respectively connected with the temperature deviation quantum module and the temperature deviation quantum module, and the temperature deviation quantum module are both connected with the temperature deviation signal transmitting sub-module.
In a preferred embodiment, the sofa body comprises a backrest and a sofa seat, wherein the backrest is provided with a back contact temperature sensor and a waist contact temperature sensor corresponding to the back and the waist, the top surface of the sofa seat is provided with a hip contact temperature sensor and a thigh contact temperature sensor, the front side of the sofa seat is provided with a shank contact temperature sensor, and the back contact temperature sensor, the waist contact temperature sensor, the hip contact temperature sensor, the thigh contact temperature sensor and the shank contact temperature sensor are all in DS18B20 of a single bus protocol and are connected in parallel.
The beneficial effects of the invention are as follows:
the invention collects the ambient temperature and humidity in real time, calculates the comfortable temperature of the back, waist, buttocks, thighs and calves according to the ambient temperature and humidity, and automatically adjusts the temperature of the sofa. The temperature that different users adapt to has the difference, and the sofa provides two temperature adjustment buttons that heat up, cool down and is used for setting for the temperature offset. The calculated result of the ambient temperature and the ambient humidity is accumulated with the temperature offset, and the sofa temperature is adjusted according to the calculated result, so that the problems of improper temperature and the like of sedentary internal heat and the like are solved as the sofa heating temperature gives consideration to the ambient change and the individual difference.
According to the invention, the contact switch is arranged on the sofa base to record the service time of a user, the temperature change mode is set by the user independently, the sofa control system provides three change modes of gradually cooling, gradually heating and keeping unchanged, and the temperature change speed can be set, so that the problem that the temperature cannot change along with time is solved. Meanwhile, as the contact switch is additionally arranged, the sofa can automatically stop heating after people leave the seat, so that energy is saved.
The invention adopts a connection mode that the base backrest is separated from the frame. The sofa cover can be detached in a square deflection way in the connecting mode, so that the appearance is more consistent with the traditional attractive appearance, and the sofa cover is easy to detach, wash and clean.
Drawings
The invention is described in further detail below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of the steps of a control method of a high-precision intelligent temperature control sofa according to an embodiment of the invention;
FIG. 2 is a schematic diagram of the steps of a method for adjusting the temperature offset t-bias according to an embodiment of the present invention;
FIG. 3 is a system block diagram of a high-precision intelligent temperature control sofa according to an embodiment of the present invention;
FIG. 4 is an external block diagram of a high-precision intelligent temperature control sofa according to an embodiment of the present invention;
fig. 5 is a system configuration diagram of fig. 4.
In the figure:
1. a sofa body; 2. a control main board;
3. an environment collection module; 4. a contact temperature sensor; 5. an ambient temperature sensor; 6. an ambient humidity sensor; 7. a contact switch;
8. a temperature adjustment setting module; 9. an external controller; 10. a wireless communication module; 12. a temperature rising button; 13. a cooling button;
14. a heating control module; 15. a relay; 16. a heating device;
17. a back contact temperature sensor; 18. a waist contact temperature sensor; 19. a hip contact temperature sensor; 20. thigh contact temperature sensor; 21. a lower leg contact temperature sensor; 22. an environmental temperature and humidity sensor; 23. back contact heating wire; 24. the waist is contacted with the electric heating wire; 25. buttocks contact the heating wire; 26. the thigh contacts the heating wire; 27. the lower leg contacts the heating wire.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
The invention will be further described with reference to the drawings and specific examples.
As shown in fig. 1, a control method of a high-precision intelligent temperature control sofa according to an embodiment of the invention includes the following steps:
step 1) detecting whether a person touches the surface of the sofa seat, if the person sits on the sofa seat, triggering a contact switch 7 on the sofa, and entering step 2);
step 2) detecting the ambient temperature t around the sofa Ring(s) If the ambient temperature t Ring(s) Less than the set temperature of the environmentAs shown in FIG. 1, the environment temperature is set to 30℃and the environment temperature t e Step 3) is carried out if the temperature is lower than 30 ℃, otherwise, the ambient temperature t e More than or equal to 30 degrees, returning to the step 1);
step 3) detecting the contact surface temperature t between the sofa seat and the human body Splicing joint If the contact surface temperature t Splicing joint Less than the comfort target temperature t (Comfort) And the temperature offset t Offset of deflection And is smaller than the maximum set temperature t max Step 4) is entered, as shown in FIG. 1, the temperature offset t in the figure Offset of deflection ＝t Fixing device +t Dynamic movement Maximum set temperature t max 60 ℃);
step 4) controlling the heating device 16 to heat, and repeating the steps 1-4) until the contact surface temperature t Splicing joint Greater than the comfort target temperature t (Comfort) And the temperature offset t Offset of deflection The sum of or equal to the maximum set temperature t max The heating is stopped. As shown in fig. 1, the temperature offset t in the figure Offset of deflection ＝t Fixing device +t Dynamic movement Maximum set temperature t max Is 60 ℃.
Wherein, in the step 3), the comfort target temperature t (Comfort) Calculated using the following formula:
wherein,
h ring(s) Is the ambient humidity;
j is the code parameter of the back, waist, buttocks, thigh and calf, a j 、b j 、c j 、d j 、e j 、f j Is a floating point number parameter that varies as the code parameter j varies.
Wherein a is j 、b j 、c j 、d j 、e j 、f j Obtained from experimental data by fitting. Firstly, obtaining a plurality of groups of comfortable target temperatures under the temperature and humidity of the back, waist, buttocks, thigh and calf through a real person experiment, and obtaining a group of parameters with minimum mean square error through a linear regression method, namelyIs a as j 、b j 、c j 、d j 、e j 、f j . And respectively corresponding to the back, waist, buttocks, thighs and calves in sequence to obtain all parameters.
The temperature offset t in the step 3) Offset of deflection The calculation formula of (2) is as follows:
t offset of deflection ＝t Fixing device +t Dynamic movement ；
t Fixing device To set the offset ration, t Fixed min ＜t Fixing device ＜t Max is fixed ；
t Dynamic movement Is a dynamic offset variable that varies with mode adjustment time.
The dynamic offset variable t Dynamic movement The temperature regulating device is provided with three temperature regulating modes, namely a constant temperature mode, a temperature reducing mode and a temperature rising mode, wherein t is selected from the three temperature regulating modes Dynamic movement The calculation formula of (2) is as follows:
t in constant temperature mode Dynamic movement ＝0；
In cooling mode
In the heating mode
Where α is the speed of temperature change affected by the sensitivity parameter, and t is the time (milliseconds) counted from the start of the set temperature mode. The functions corresponding to the heating mode and the cooling mode are part of hyperbolic functions, and the value range is [0,2]. The larger the value of alpha, the faster the change speed, for example, the alpha is 1/60000 when the temperature changes by 1 ℃ within one minute, the alpha is 1/60000 x 2 when the temperature changes by 1 ℃ within two minutes, and the value of alpha is 1/60000 x T by analogy, wherein T is the number of minutes required by the temperature change by 1 ℃.
As shown in fig. 2, the set offset amount t is provided with three temperature adjusting modes, namely a constant temperature mode, a temperature reducing mode and a temperature increasing mode, wherein the constant temperature mode in the initial state of the three temperature adjusting modes is triggered to enter a; if the heating mode is triggered, entering b; if the cooling mode is triggered, entering c;
a、t fixing device Has a constant state;
b. retrieving an initial set offset amount t Fixing device If t Fixing device Less than the maximum offset ration t Max is fixed Temperature offset t Fix +1 Stored as an initial set offset amount t Fixing device ；
c. Retrieving an initial set offset amount t Fixing device If t Fixing device Greater than the minimum offset ration t min Temperature offset t Ding-1 Stored as an initial set offset amount t Fixing device 。
As shown in fig. 3, a high-precision intelligent temperature control sofa using the control method comprises a sofa body 1, wherein a control main board 2, a contact switch 7, an environment acquisition module 3, a temperature adjustment setting module 8 and a heating control module 14 are arranged on the sofa body 1 and are respectively and electrically connected with the control main board 2, and the control main board 1 comprises:
the contact switch 7 is connected with a contact switch 7 control circuit, and the contact switch 7 control circuit sends a man signal.
The environment acquisition module 3 acquires the ambient temperature t around the sofa body 1 through various sensors Ring(s) Ambient humidity h Ring(s) Contact surface temperature t of sofa body 1 and human body Splicing joint Verifying the environmental information according to the heating starting condition, and sending the environment information containing the environmental temperature t Ring(s) Ambient humidity h Ring(s) With contact surface temperature t Splicing joint Is provided for the heating start signal.
The temperature adjusting and setting module 8 is used for collecting a temperature adjusting mode signal, switching the temperature adjusting mode, and embedding a timing circuit for recording the temperature adjusting time t, wherein the temperature adjusting mode comprises a constant temperature mode, a temperature reducing mode and a temperature rising mode, and the temperature offset t corresponding to the temperature adjusting mode is obtained Offset of deflection A temperature offset signal is sent.
The control main board 2 receives the man signal, processes the heating start signal and the temperature deviation signal, and according to the ambient temperature t Ring(s) With ambient humidity h Ring(s) Obtaining a comfortable target temperature t (Comfort) The contact surface temperature t Splicing joint Target temperature t of comfort (Comfort) Temperature offset t Offset of deflection And, feeding back a heating control signal.
The heating control module 14 is internally provided with a relay 15 and a heating device 16, and the relay 15 receives a heating control signal and controls the on-off of the heating device 16.
As shown in fig. 4 and 5, the structure and function of each of the above systems are specifically described below:
the environment acquisition module 3 comprises a contact temperature sensor 4, an environment temperature sensor 5 and an environment humidity sensor 6 (or an environment temperature and humidity sensor 22), and the contact temperature sensor 4 is arranged on a contact surface between the sofa body 1 and a human body. The sofa body 1 comprises a backrest and a sofa seat, wherein the inner side surfaces of the backrest and the sofa seat are in contact with a human body, so that a back contact temperature sensor 17 and a waist contact temperature sensor 18 corresponding to the back and the waist are arranged on the backrest, a hip contact temperature sensor 19 and a thigh contact temperature sensor 20 are arranged on the top surface of the sofa seat, a shank contact temperature sensor 21 is arranged on the front side of the sofa seat, and the back contact temperature sensor 17, the waist contact temperature sensor 18, the hip contact temperature sensor 19, the thigh contact temperature sensor 20 and the shank contact temperature sensor 21 are all in parallel connection by adopting a DS18B20 of a single bus protocol.
The environmental temperature sensor 5 is disposed on a non-contact surface between the sofa body 1 and a human body, such as on two sides and a back side of a backrest, and on the back side, two sides and a bottom side of a sofa seat, so that a temperature value detected by the environmental temperature sensor 5 is a temperature value of a surrounding environment of the sofa.
The environmental collection module 3 is provided with an environmental humidity sensor 6, the environmental humidity sensor 6 is arranged on a non-contact surface between the sofa body 1 and a human body, such as on two sides and the back side of a backrest, and the back side, two sides and the bottom side of a sofa seat are used for detecting the environmental humidity h around the sofa body 1 Ring(s) . An ambient temperature and humidity sensor 22 can be arranged to detect the ambient temperature t of the ambient environment of the sofa Ring(s) With ambient humidity h Ring(s) 。
The temperature adjustment setting module 8 comprises an external controller 9, a Wen Pian fixed quantum module, a temperature deviation quantum module and a temperature deviation signal transmitting sub-module, wherein the external controller 9 is provided with a temperature adjustment button, a display prompting device and a temperature adjustment control circuit, and the temperature adjustment button and the display prompting device are electrically connected with the temperature adjustment control circuit; the temperature regulation control circuit is respectively connected with the temperature deviation quantum module and the temperature deviation quantum module, and the temperature deviation quantum module are both connected with the temperature deviation signal transmitting sub-module.
The temperature adjusting and setting module 8 comprises an external controller 9, a Wen Pian fixed quantum module, a temperature deviation movement quantum module and a temperature deviation signal transmitting sub-module. The external controller 9 is provided with a temperature adjusting button, a display prompting device and a temperature adjusting control circuit, and the temperature adjusting button and the display prompting device are electrically connected with the temperature adjusting control circuit. The temperature adjusting button comprises a temperature increasing button 12 and a temperature decreasing button 13, the temperature adjusting control circuit receives a temperature adjusting signal and then controls the display prompting device to prompt corresponding states, the display prompting device comprises a temperature increasing prompting lamp, a temperature decreasing prompting lamp and a constant temperature prompting lamp, a display screen can be further arranged, the temperature and temperature adjusting mode can be directly displayed, and a user can actively click the buttons according to the needs of the user to select the constant temperature mode, the temperature increasing mode or the temperature decreasing mode.
The temperature regulation control circuit is respectively connected with the temperature deviation quantum module and the temperature deviation quantum module, and the temperature deviation quantum module are both connected with the temperature deviation signal transmitting sub-module. The temperature deviation quantitative submodule is used for adjusting the set deviation quantitative according to the temperature regulation mode to obtain the adjusted set cheap quantitative t Fixing device The temperature deviation sub-module is used for dynamically deviating the variable t according to the temperature regulation mode Dynamic movement Calculating to obtain a dynamic offset variable t Dynamic movement The temperature deviation signal transmitting sub-module takes dynamic deviation variable t Dynamic movement And a dynamic offset variable t Dynamic movement The sum of the two to obtain the temperature offset t Offset of deflection . The adjustment methods of the three temperature adjustment modes have been described above, and are not described here again. Wherein the temperature adjusting and setting module 8 is an EEPROM built in the control main board 2 and can store user setting information. A wireless communication module 10, which is a 3G/4G communication module or a bluetooth module,the wireless communication device is used for wireless communication connection with a mobile phone, and is particularly suitable for a Bluetooth module because of short-distance wireless communication, so that power consumption can be saved.
The relay 15 and the heating device 16 are disposed in the heating control module 14, the heating device 16 corresponds to the contact temperature sensor 4, and includes a back contact heating wire 23, a waist contact heating wire 24, a hip contact heating wire 25, a thigh contact heating wire 26, and a shank contact heating wire 27, where the back contact heating wire 23, the waist contact heating wire 24, the hip contact heating wire 25, the thigh contact heating wire 26, and the shank contact heating wire 27 are connected to the control motherboard 2 through the relay 15.
Finally, it should be noted that: the embodiments described above are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (8)
1. The control method of the high-precision intelligent temperature control sofa is characterized by comprising the following steps of:
step 1) detecting whether a human body contacts the surface of the sofa seat, if so, entering step 2);
step 2) detecting the ambient temperature t around the sofa Ring(s) If the ambient temperature t Ring(s) If the temperature is less than the environment set temperature, entering the step 3), otherwise, returning to the step 1);
step 3) detecting the contact surface temperature t between the sofa seat and the human body Splicing joint If the contact surface temperature t Splicing joint Less than the comfort target temperature t (Comfort) And the temperature offset t Offset of deflection And is smaller than the maximum set temperature t max Step 4) is entered;
step 4) controlling a heating device to heat, and repeating the steps 1-4) until the contact surface temperature t Splicing joint Greater than the comfort target temperaturet (Comfort) And the temperature offset t Offset of deflection The sum of or equal to the maximum set temperature t max Stopping heating;
the comfort target temperature t in the step 3) (Comfort) Calculated using the following formula:
wherein,
h ring(s) Is the ambient humidity;
j is the code parameter of the back, waist, buttocks, thigh and calf, a j 、b j 、c j 、d j 、e j 、f j Is a floating point number parameter that varies as the code parameter j varies.
2. The method for controlling a high-precision intelligent temperature-controlled sofa according to claim 1, wherein the temperature offset t in the step 3) is Offset of deflection The calculation formula of (2) is as follows:
t offset of deflection ＝t Fixing device +t Dynamic movement ；
t Fixing device To set the offset ration, t Fixed min ＜t Fixing device ＜t Max is fixed ；
t Dynamic movement Is a dynamic offset variable that varies with mode adjustment time.
3. The method for controlling a high-precision intelligent temperature-controlled sofa according to claim 2, wherein the dynamic offset variable t Dynamic movement The temperature regulating device is provided with three temperature regulating modes, namely a constant temperature mode, a temperature reducing mode and a temperature rising mode, wherein t is selected from the three temperature regulating modes Dynamic movement The calculation formula of (2) is as follows:
t in constant temperature mode Dynamic movement ＝0；
In cooling mode
In the heating mode
Wherein,
alpha is sensitivity parameter to influence temperature change speed;
t is the time counted from the start of the set temperature mode.
4. The method for controlling a high-precision intelligent temperature-controlled sofa according to claim 2, wherein the set offset is a fixed amount t Fixing device The temperature control device comprises three temperature control modes, namely a constant temperature mode, a temperature reduction mode and a temperature rise mode, wherein the constant temperature mode is triggered in an initial state in the three temperature control modes, and a is entered; if the heating mode is triggered, entering b; if the cooling mode is triggered, entering c;
a、t fixing device Has a constant state;
b. retrieving an initial set offset amount t Fixing device If t Fixing device Less than the maximum offset ration t Max is fixed Temperature offset t Fix +1 Stored as an initial set offset amount t Fixing device ；
c. Retrieving an initial set offset amount t Fixing device If t Fixing device Greater than the minimum offset ration t min Temperature offset t Ding-1 Stored as an initial set offset amount t Fixing device 。
5. The high-precision intelligent temperature control sofa adopting the control method of any one of claims 1-4, comprising a sofa body, wherein the sofa body is provided with a control main board, and a contact switch, an environment acquisition module, a temperature adjustment setting module and a heating control module which are electrically connected with the control main board respectively, wherein:
the contact switch is connected with a contact switch control circuit, and the contact switch control circuit sends a man signal;
the environment acquisition module acquires the ambient temperature t around the sofa body through various sensors Ring(s) Ambient humidity h Ring(s) Contact surface between sofa body and human bodyTemperature t Splicing joint Verifying the environmental information according to the heating starting condition, and sending the environment information containing the environmental temperature t Ring(s) Ambient humidity h Ring(s) With contact surface temperature t Splicing joint A heating start signal of (a);
the temperature adjusting module is used for collecting temperature adjusting mode signals, switching the temperature adjusting modes, and embedding a timing circuit for recording temperature adjusting time t, wherein the temperature adjusting modes comprise a constant temperature mode, a temperature reducing mode and a temperature rising mode, and the temperature offset t corresponding to the temperature adjusting modes is obtained Offset of deflection Transmitting a temperature offset signal;
the control main board receives the man signal and processes the heating start signal and the temperature deviation signal, and according to the ambient temperature t Ring(s) With ambient humidity h Ring(s) Obtaining a comfortable target temperature t (Comfort) The contact surface temperature t Splicing joint Target temperature t of comfort (Comfort) Temperature offset t Offset of deflection And, feeding back a heating control signal;
the heating control module is internally provided with a relay and a heating device, and the relay receives a heating control signal and controls the heating device to be started and stopped.
6. The high-precision intelligent temperature-controlled sofa of claim 5, wherein: the environment acquisition module comprises a contact temperature sensor, an environment temperature sensor and an environment humidity sensor, wherein the contact temperature sensor is arranged on a contact surface between the sofa body and a human body, and the environment temperature sensor and the environment humidity sensor are both arranged on a non-contact surface between the sofa body and the human body.
7. The high-precision intelligent temperature-controlled sofa of claim 5, wherein: the temperature adjusting and setting module comprises an external controller, a Wen Pian fixed quantum module, a temperature deviation quantum module and a temperature deviation signal transmitting sub-module, wherein the external controller is provided with a temperature adjusting button, a display prompting device and a temperature adjusting control circuit, and the temperature adjusting button and the display prompting device are electrically connected with the temperature adjusting control circuit; the temperature regulation control circuit is respectively connected with the temperature deviation quantum module and the temperature deviation quantum module, and the temperature deviation quantum module are both connected with the temperature deviation signal transmitting sub-module.
8. The control method of the high-precision intelligent temperature control sofa according to claim 5, wherein the control method comprises the following steps: the sofa body comprises a backrest and a sofa seat, wherein the backrest is provided with a back contact temperature sensor and a waist contact temperature sensor corresponding to the back and the waist, the top surface of the sofa seat is provided with a hip contact temperature sensor and a thigh contact temperature sensor, the front side of the sofa seat is provided with a shank contact temperature sensor, and the back contact temperature sensor, the waist contact temperature sensor, the hip contact temperature sensor, the thigh contact temperature sensor and the shank contact temperature sensor are all DS18B20 adopting a single bus protocol and are connected in parallel.
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