CN109302754B - Intelligent electric blanket and control method thereof - Google Patents
Intelligent electric blanket and control method thereof Download PDFInfo
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- CN109302754B CN109302754B CN201811157618.3A CN201811157618A CN109302754B CN 109302754 B CN109302754 B CN 109302754B CN 201811157618 A CN201811157618 A CN 201811157618A CN 109302754 B CN109302754 B CN 109302754B
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- electric blanket
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
- H05B1/0227—Applications
- H05B1/0252—Domestic applications
- H05B1/0272—For heating of fabrics
Abstract
The invention discloses an intelligent electric blanket, which comprises: the electric blanket comprises an electric blanket body, a power supply, a controller, a relay, a temperature sensor and a reminding device, wherein the temperature sensor and the reminding device are arranged in the electric blanket body, the electric blanket body is connected with a mains supply through the relay, the power supply, the relay, the temperature sensor and the reminding device are all connected with the controller, and the power supply is connected with the temperature sensor. The invention adopts the electronic elements in the prior art such as the sensor, the singlechip, the LCD display screen, the relay and the like, thereby having simple structure and low cost; in addition, the invention has complete functions: the electric blanket can be automatically controlled to be turned on and off according to whether a person uses the electric blanket or not and the surface temperature of the electric blanket, and can also be controlled to be turned on and off through the mobile terminal.
Description
Technical Field
The invention relates to the technical field of electric blankets, in particular to an intelligent electric blanket and a control method thereof.
Background
Almost every family of the electric blanket has a warming article, a resistance wire is generally arranged in the electric blanket, and after the electric blanket is electrified, current flows through the resistance wire to generate heat, so that the effect of warming the quilt is achieved. It is widely used because of its low price and convenient use.
An electric blanket in the prior art generally comprises an electric blanket body and a switch, wherein two-gear or three-gear temperature is arranged on the switch, and people can use the switch to adjust the temperature of the electric blanket. However, this electric blanket can only adjust the temperature of the electric blanket manually, which becomes very inconvenient after the user falls asleep, and is turned off early before he or she feels asleep, and if the user forgets to turn off the electric blanket before he or she falls asleep, the user is often waken up in the late night. If the user forgets to turn off the electric blanket, when the electric blanket is not used by people, serious potential safety hazards exist when the electric blanket works for a long time, and even various accidents such as fire disasters can be caused. Therefore, the existing electric blanket does not have the functions of automatic temperature adjustment and automatic closing, a user cannot set the opening time according to the own needs, and the existing electric blanket is not perfect in function, so that the technical aspect of the electric blanket needs to be further improved.
In summary, the prior art electric blanket mainly has the following disadvantages in terms of functions: 1. the existing electric blanket is not intelligent enough, and cannot be automatically turned on and off according to the actual temperature; 2. the electric blanket cannot be judged whether a person uses the electric blanket or not, and the electric blanket is closed when no person uses the electric blanket; 3. the mobile terminal cannot control the on and off of the electric blanket; 4. the temperature of the electric blanket cannot be controlled within the range set by the user.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides an intelligent electric blanket which can display the temperature of the electric blanket in real time, control the automatic start and stop of the electric blanket according to whether a person uses the electric blanket and the temperature, and control the start and stop of the electric blanket through a mobile terminal.
In order to achieve the purpose, the invention adopts the technical scheme that:
intelligent electric blanket includes: the electric blanket comprises an electric blanket body, a power supply, a controller, a relay, a temperature sensor and a reminding device, wherein the temperature sensor and the reminding device are arranged in the electric blanket body, the electric blanket body is connected with a mains supply through the relay, the power supply, the relay, the temperature sensor and the reminding device are all connected with the controller, the power supply is connected with the temperature sensor, the electric blanket body is connected with the temperature sensor,
the temperature sensor is used for acquiring temperature information of the surface of the electric blanket and sending the temperature information to the controller;
the controller is used for receiving the temperature information acquired by the temperature sensor, comparing the temperature information with a preset temperature threshold value and controlling the relay to be switched on or switched off according to a comparison result;
the reminding device is used for generating reminding signals, and the reminding signals are realized in the modes of buzzing and voice.
The electric blanket body is internally provided with a pressure sensor for collecting pressure information generated on the surface of the electric blanket, and the pressure sensor is respectively connected with the power supply and the controller.
The intelligent electric blanket further comprises a first timer and a second timer, and the first timer and the second timer are both connected with the controller.
The intelligent electric blanket comprises a display device, the display device is connected with the controller, the display device comprises a temperature display unit and a target temperature setting unit, the temperature display unit is used for displaying temperature information collected by the temperature sensor, and the target temperature setting unit is used for setting a target temperature of the electric blanket by a user.
The target temperature setting unit includes two buttons for a user to adjust a target temperature of the electric blanket.
The intelligent electric blanket comprises a wireless communication module and a mobile terminal, and the mobile terminal is connected with the controller through the wireless communication module.
The wireless communication module is any one of a Bluetooth communication module, a WiFi communication module, a ZigBee communication module and a UWB wireless communication module.
The control method of the intelligent electric blanket comprises the following steps:
s21, collecting pressure information of the surface of the electric blanket;
s22, judging whether the pressure on the surface of the electric blanket is larger than a preset pressure threshold value or not;
if the pressure is greater than the preset pressure threshold value, closing the relay and starting a first timer;
if the pressure is smaller than the preset pressure threshold value, starting a second timer and resetting the first timer;
s23, judging whether the time of the first timer is larger than a first time threshold value;
if the time is greater than the first time threshold value, starting a reminding device;
if the time is less than the first time threshold, returning to the step S22;
s24, judging whether the time of the second timer is larger than a second time threshold value;
if the time is greater than the second time threshold, the relay is disconnected;
if the time is less than the second time threshold, continuing to step S21;
s25, collecting temperature information of the surface of the electric blanket;
s26, judging whether the surface temperature of the electric blanket is greater than a first temperature threshold value or not;
if the temperature is greater than the first temperature threshold value, the relay is controlled to be disconnected;
if the temperature is less than the first temperature threshold, continuing to step S27;
s27, judging whether the surface temperature of the electric blanket is greater than a second temperature threshold value;
if the temperature is greater than the second temperature threshold, returning to the step S26;
if the temperature is less than the second temperature threshold value, the relay is controlled to be closed;
the first time threshold is 2 hours, and the second time threshold is 20 minutes.
The first temperature threshold is 38 ℃, and the second temperature threshold is 22 ℃.
The invention has the advantages that: 1. simple structure, economy: the invention adopts electronic elements in the prior art such as a sensor, a singlechip, a relay and the like; 2. the functions are complete: the electric blanket can be automatically controlled to be turned on and off according to whether a person uses the electric blanket or not, the surface temperature of the electric blanket can be automatically controlled to be turned on and off, the temperature of the electric blanket can be displayed in real time, the target temperature of the electric blanket can be set, and the turning on and off of the electric blanket can be controlled through the mobile terminal.
Drawings
The contents of the expressions in the various figures of the present specification and the labels in the figures are briefly described as follows:
fig. 1 is an electrical connection diagram of an intelligent electric blanket according to the present invention;
fig. 2 is a flowchart of a control method of the intelligent electric blanket of the present invention.
The labels in the above figures are:
1. a power source; 2. a controller; 3. a relay; 4. a temperature sensor; 5. a reminder device; 6. a pressure sensor; 7. a first timer; 8. a second timer; 9. a display device; 10. a wireless communication module; 11. a mobile terminal.
Detailed Description
The following description of preferred embodiments of the invention will be made in further detail with reference to the accompanying drawings.
Fig. 1 shows an electrical connection diagram of the intelligent electric blanket of the present invention. In this embodiment, the intelligent electric blanket comprises a power supply 1, a controller 2, a relay 3, a temperature sensor 4 and a reminding device 5, wherein the reminding device 5, the temperature sensor 4, the relay 3 and the power supply 1 are respectively connected with the controller 2, and the temperature sensor 4 is connected with the power supply 1. The power supply 1 is used for supplying power to the controller 2 and the temperature sensor 4. Certainly, the intelligent electric blanket further comprises an electric blanket body, the electric blanket body is of a structure with a built-in resistance wire in the prior art, the electric blanket body is connected with a mains supply through a relay 3, and after the electric blanket body is connected, current flows through the resistance wire in the electric blanket body, so that heat is generated, and a warm-keeping effect is achieved. The temperature sensor 4 is arranged in the electric blanket body and used for collecting temperature information of the surface of the electric blanket and sending the temperature information to the controller 2; the controller 2 is used for receiving the temperature information acquired by the temperature sensor 4, comparing the temperature information with a preset first temperature threshold and a preset second temperature threshold, and controlling the relay 3 to be switched on or switched off according to a comparison result so as to control whether the electric blanket works; the reminding device 5 is used for generating reminding signals, and the reminding signals are realized in the modes of buzzing and voice. The temperature sensor 4 can collect the surface temperature information of the electric blanket after the electric blanket works, so the specific installation position of the temperature sensor 4 is not limited. By adopting the structure, the reminding device can be started to give an early warning when the temperature of the electric blanket is too high, namely higher than the first temperature threshold value; and the relay can be disconnected in time to cut off the commercial power supply of the electric blanket, so that the electric blanket stops working.
The above structure can only remind and cut off the mains supply of the electric blanket when the temperature of the electric blanket is too high, but under certain conditions, for example, when a user forgets to turn off the electric blanket after using the electric blanket, even if the temperature of the electric blanket reaches a preset threshold value, the mains supply of the electric blanket can be automatically cut off, but the electric blanket still is in a working state without being used by people within a period of time, and wastes electricity. In order to solve the problem, a pressure sensor 6 is further arranged in the electric blanket body and used for collecting pressure information generated on the surface of the electric blanket, and the pressure sensor 6 is respectively connected with the power supply 1 and the controller 2. The pressure sensor 6 sends the acquired pressure information to the controller 2, the controller 2 compares the acquired pressure information with a preset pressure threshold value after receiving the pressure information, judges whether the pressure information is higher than the preset pressure threshold value, if the pressure information is higher than the preset pressure threshold value, the electric blanket is laid on the bed, and at the moment, the electric blanket is started to heat the bed; if the pressure is lower than the preset pressure threshold value, no one lies on the electric blanket, and the electric blanket is turned off to achieve the purpose of saving electricity.
After the pressure sensor 6 is added, although the problem that the electric blanket is automatically turned off when no one lies on the electric blanket can be solved, the electric blanket is not convenient in some cases. For example, when the user goes to the toilet at night, the pressure information acquired by the pressure sensor 6 is smaller than the preset pressure threshold value, if the electric blanket is turned off, the user returns for several minutes, and the electric blanket needs to be restarted, so that the function of saving electricity cannot be achieved, and electricity is consumed. In addition, the long-time opening of the electric blanket is not good for health, so that the user needs to be reminded after a period of time. In order to solve the two problems, the intelligent electric blanket further comprises a first timer 7 and a second timer 8, wherein the first timer 7 and the second timer 8 are both connected with the controller 2. When a user lies on the electric blanket, closing the relay and the first timer to start timing, and when the first time threshold is reached, indicating that the user continuously lies on the working electric blanket for a long time, starting the reminding device to remind the user to pay attention to the situation; when the user leaves the electric blanket, the second timer starts to time, the first timer is reset, when the second time threshold value is reached, the fact that the user leaves the electric blanket for a long time is indicated, the electric blanket is forgotten to be turned off after being used, and at the moment, the relay is turned off, so that the electric blanket stops working.
In order to make the electric blanket more intelligent and improve user experience, preferably, the intelligent electric blanket further comprises a display device 9, the display device 9 is connected with the controller 2, the display device 9 comprises a temperature display unit and a target temperature setting unit, the temperature display unit is used for displaying the temperature information collected by the temperature sensor 4, and the target temperature setting unit is used for setting the target temperature of the electric blanket by a user.
Preferably, the target temperature setting unit includes two buttons for a user to adjust the target temperature of the electric blanket.
Generally, before entering a quilt in winter, a user can select to turn on the electric blanket in advance for preheating, and in order to realize the operation of intelligent control, the intelligent electric blanket preferably comprises a wireless communication module 10 and a mobile terminal 11, and the mobile terminal 11 is connected with the controller 2 through the wireless communication module 10. After the mobile terminal 11 is connected with the controller 2 through the wireless communication module 10, the user can obtain the temperature information of the electric blanket, and the controller 2 can control the on and off of the relay, namely, whether the electric blanket is turned on or not.
Preferably, the wireless communication module 10 is any one of a Bluetooth communication module, a WiFi communication module, a ZigBee communication module, and a UWB ultra wide band wireless communication module.
As shown in fig. 2, it is a flow chart of the control method of the intelligent electric blanket of the present invention, which includes the following steps: firstly, a pressure sensor 6 collects pressure information of the surface of the electric blanket and sends the pressure information to a controller 2; the controller 2 compares the received pressure information with a preset pressure threshold value; if the pressure value is larger than the preset pressure threshold value, the fact that a person lies on the electric blanket is indicated, the relay is closed at the moment, the electric blanket is enabled to be in a working state, and meanwhile, the first timer is started for timing; if the pressure is smaller than the preset pressure threshold value, the second timer is started, and the first timer is cleared; then, the controller 2 judges whether the time of the first timer is greater than a first time threshold value according to the received time information; if the time is greater than the first time threshold value, the fact that the user lies on the working electric blanket for a long time is indicated, and at the moment, a reminding device is started to give an early warning to the user; if the time is less than the first time threshold value, returning to the previous step; next, the controller 2 determines whether the time of the second timer is greater than a second time threshold according to the received time information; if the time is greater than the second time threshold, the user does not use the electric blanket for a long time, and the relay is disconnected at the moment to stop the electric blanket; if the time is less than the second time threshold, returning to the initial step; preferably, the first time threshold is 2 hours, and the second time threshold is 20 minutes.
Next, the temperature sensor collects temperature information of the surface of the electric blanket and sends the temperature information to the controller 2; the controller 2 judges whether the surface temperature of the electric blanket is greater than a first temperature threshold value or not according to the received temperature information; if the temperature is higher than the first temperature threshold value, the temperature on the surface of the electric blanket is over high, the control relay is disconnected at the moment, and the electric blanket stops working; if the temperature is smaller than the first temperature threshold value, continuing the next step; finally, judging whether the surface temperature of the electric blanket is greater than a second temperature threshold value; if the temperature is larger than the second temperature threshold value, the temperature of the electric blanket is in a comfortable interval, and the previous step is returned at the moment; if the temperature is lower than the second temperature threshold value, the temperature of the electric blanket is over low, the relay is controlled to be closed at the moment, and the electric blanket is started; preferably, the first temperature threshold is 38 degrees celsius, and the second temperature threshold is 22 degrees celsius.
It is clear that the specific implementation of the invention is not restricted to the above-described embodiments, but that various insubstantial modifications of the inventive process concept and technical solutions are within the scope of protection of the invention.
Claims (1)
1. A control method of an intelligent electric blanket is characterized in that the electric blanket comprises the following steps: the electric blanket comprises an electric blanket body, a power supply (1), a controller (2), a relay (3), a temperature sensor (4) and a reminding device (5), wherein the temperature sensor (4) and the reminding device (5) are arranged in the electric blanket body, the electric blanket body is connected with a mains supply through the relay (3), the power supply (1), the relay (3), the temperature sensor (4) and the reminding device (5) are all connected with the controller (2), the power supply (1) is connected with the temperature sensor (4), and the temperature sensor (4) is used for collecting temperature information on the surface of the electric blanket and sending the temperature information to the controller; the controller (2) is used for receiving the temperature information acquired by the temperature sensor (4), comparing the temperature information with a preset temperature threshold value and controlling the relay (3) to be switched on or switched off according to a comparison result; the reminding device (5) is used for generating a reminding signal, and the reminding signal is realized in a buzzing and voice mode; the electric blanket is characterized in that a pressure sensor (6) is arranged in the electric blanket body and used for collecting pressure information generated on the surface of the electric blanket, and the pressure sensor (6) is respectively connected with the power supply (1) and the controller (2); the intelligent electric blanket further comprises a first timer (7) and a second timer (8), wherein the first timer (7) and the second timer (8) are both connected with the controller (2); the intelligent electric blanket comprises a display device (9), the display device (9) is connected with the controller (2), the display device (9) comprises a temperature display unit and a target temperature setting unit, the temperature display unit is used for displaying temperature information collected by the temperature sensor, and the target temperature setting unit is used for setting a target temperature of the electric blanket by a user; the target temperature setting unit comprises two buttons for a user to adjust the target temperature of the electric blanket; the intelligent electric blanket comprises a wireless communication module (10) and a mobile terminal (11), wherein the mobile terminal (11) is connected with the controller (2) through the wireless communication module (10); the wireless communication module (10) is any one of a Bluetooth communication module, a WiFi communication module, a ZigBee communication module and a UWB (ultra wide band) wireless communication module;
the method comprises the following steps:
s21, collecting pressure information of the surface of the electric blanket;
s22, judging whether the pressure on the surface of the electric blanket is larger than a preset pressure threshold value or not;
if the pressure is greater than the preset pressure threshold value, closing the relay (3) and starting the first timer (7);
if the pressure is smaller than the preset pressure threshold value, starting a second timer (8) and clearing the first timer (7);
s23, judging whether the time of the first timer (7) is greater than a first time threshold value;
if the time is greater than the first time threshold value, a reminding device (5) is started;
if the time is less than the first time threshold, returning to the step S22;
s24, judging whether the time of the second timer is larger than a second time threshold value;
if the time is larger than the second time threshold, the relay (3) is disconnected;
if the time is less than the second time threshold, continuing to step S21;
s25, collecting temperature information of the surface of the electric blanket;
s26, judging whether the surface temperature of the electric blanket is greater than a first temperature threshold value or not;
if the temperature is larger than the first temperature threshold value, the relay (3) is controlled to be switched off;
if the temperature is less than the first temperature threshold, continuing to step S27;
s27, judging whether the surface temperature of the electric blanket is greater than a second temperature threshold value;
if the temperature is greater than the second temperature threshold, returning to the step S26;
if the temperature is smaller than the second temperature threshold value, the relay (3) is controlled to be closed;
the first time threshold value is 2 hours, and the second time threshold value is 20 minutes;
the first temperature threshold is 38 ℃, and the second temperature threshold is 22 ℃.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811157618.3A CN109302754B (en) | 2018-09-30 | 2018-09-30 | Intelligent electric blanket and control method thereof |
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| CN201811157618.3A CN109302754B (en) | 2018-09-30 | 2018-09-30 | Intelligent electric blanket and control method thereof |
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| CN109302754B true CN109302754B (en) | 2021-11-26 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110740525B (en) * | 2019-10-15 | 2022-04-15 | 北京小米移动软件有限公司 | Method for controlling electric blanket, device for controlling electric blanket and electronic equipment |
| CN112090001A (en) * | 2020-08-21 | 2020-12-18 | 南京信息工程大学 | Fire prevention and extinguishing system for electric blanket |
| CN113757766A (en) * | 2021-09-30 | 2021-12-07 | 苏州捷迪纳米科技有限公司 | Electric blanket control method and device |
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