Voice-controlled electric blanket

Abstract

The present invention relates to a voice-controlled electric blanket, comprising an electric blanket body and a wristband wirelessly connected to the electric blanket body, wherein the electric blanket body is provided with a first main control module, a first wireless communication module and a heating element, wherein the first main control module is respectively connected to the heating element and the first wireless communication module; the wristband is provided with a display screen; the wristband is provided with a second main control module, a second wireless communication module for wirelessly connecting to the first wireless communication module, a microphone circuit for collecting voice signals and a voice processing circuit for analyzing and processing voice signals, wherein the second main control module is respectively connected to the second wireless communication module and the voice processing circuit, and the microphone circuit is connected to the voice processing circuit; the traditional wired controller mode is changed into a wristband wireless control mode, and the electric blanket can be voice-controlled at a long distance and its working status can be displayed, which is more convenient to use, allowing the user to understand the working status of the electric blanket in real time, thereby improving the user experience.

Description

Technical Field

[0001] The present invention relates to the technical field of electric blankets, in particular to a voice-controlled electric blanket. Background Art

[0002] At present, with the rapid development of social economy, people's living standards and quality of life are constantly improving, and electric blankets are a must-have item for people in winter today. Compared with heating equipment such as air conditioners that consume a lot of energy, electric blankets consume less energy and can meet people's sleep needs in the cold winter.

[0003] The existing electric blankets have the following problems: the control method is generally that the controller is connected to the heating element inside the electric blanket through a wire, that is, a wired controller, the line is short, and it is difficult to use it over a long distance. In addition, users often forget to turn off the electric blanket after getting up, and it is difficult for the electric blanket to notify the user in time, which makes the electric blanket very likely to cause a fire, affecting the safety of the use of the electric blanket.

[0004] Therefore, in the patent application of the present invention, the applicant has carefully studied a voice-controlled electric blanket to solve the above problems. Summary of the invention

[0005] The present invention aims to overcome the shortcomings of the above-mentioned prior art, and its main purpose is to provide a voice-controlled electric blanket, which changes the traditional wired controller method into a bracelet wireless control method, can control the electric blanket by voice at a long distance and display its working status, making it more convenient to use, allowing users to understand the working status of the electric blanket in real time, and improving the user experience.

[0006] To achieve the above-mentioned purpose, the present invention adopts the following technical scheme:

[0007] A voice-controlled electric blanket comprises an electric blanket body and a bracelet wirelessly connected to the electric blanket body, wherein:

[0008] The electric blanket body is provided with a first main control module, a first wireless communication module and a heating element, wherein the first main control module is connected to the heating element and the first wireless communication module respectively;

[0009] The bracelet is provided with a display screen; the bracelet is provided with a second main control module, a second wireless communication module for wirelessly connecting to the first wireless communication module, a microphone circuit for collecting voice signals, and a voice processing circuit for analyzing and processing voice signals, the second main control module is respectively connected to the second wireless communication module and the voice processing circuit, and the microphone circuit is connected to the voice processing circuit.

[0010] As a preferred solution, the microphone circuit includes a microphone, an echo cancellation circuit and a filter circuit. The microphone is coupled between the input end of the filter circuit and the output end of the echo cancellation circuit. The input end of the echo cancellation circuit is respectively connected to the output end of the voice processing circuit, and the output end of the filter circuit is connected to the input end of the voice processing circuit.

[0011] As a preferred solution, a headrest is provided at the rear end of the electric blanket body, and a pressure sensor is provided inside the headrest. The pressure sensor is connected to the first main control module to wirelessly notify the user whether to continue heating after the user's head leaves the headrest.

[0012] As a preferred solution, the headrest portion is divided into four functional areas, namely, the supine sleeping area, the first side sleeping area, the second side sleeping area and the neck pillow area, and the pressure sensors are respectively arranged corresponding to the supine sleeping area, the first side sleeping area, the second side sleeping area and the neck pillow area.

[0013] As a preferred solution, the neck pillow area is located on the front side of the upper end surface of the headrest part, the supine sleeping area is located behind the neck pillow area, the side sleeping area No. 1 and the side sleeping area No. 2 are symmetrically located on the left and right sides of the supine sleeping area, the neck pillow area is provided with an arc-shaped contact surface which is concave downward in the middle and fits the shoulder and neck of the human body, the supine sleeping area is provided with an arc-shaped supporting surface which is concave forward and fits the curve of the human head, and the side sleeping area No. 1 and the side sleeping area No. 2 are both bulged backwards.

[0014] As a preferred solution, the first main control module is connected to the heating element through a temperature control circuit.

[0015] As a preferred solution, the first main control module includes a main control chip U1, and the main control chip U1 has main control pins 1 to 20, and the main control pin 13 is connected to the temperature control circuit.

[0016] As a preferred solution, the temperature control circuit includes a unidirectional thyristor Q1, a resistor R19, a resistor R20 and a capacitor C6;

[0017] The control electrode of the unidirectional thyristor Q1 is connected to the first main control module through a resistor R20 and a capacitor C6, the T1 electrode of the unidirectional thyristor Q1 is connected to the digital ground, the T1 electrode of the thyristor Q1 is also connected to the control electrode of the unidirectional thyristor Q1 through resistors R19 and R20, and the T2 electrode of the unidirectional thyristor Q1 is connected to the other end of the heating element.

[0018] As a preferred solution, a plurality of magnets are evenly arranged on the upper end surface of the electric blanket body.

[0019] As a preferred solution, a plurality of massage heads are arranged in the electric blanket body, and all the massage heads are distributed in a Y shape.

[0020] Compared with the prior art, the present invention has obvious advantages and beneficial effects. Specifically, the present invention mainly changes the traditional wired controller mode into a wireless control mode of the wristband through the design of the wristband, which can control the electric blanket by voice at a long distance and display its working status, making it more convenient to use, allowing the user to understand the working status of the electric blanket in real time, and improving the user experience;

[0021] Secondly, the clarity of speech recognition is improved and environmental interference is reduced through echo cancellation circuits and filtering circuits;

[0022] Furthermore, through the cooperation of the headrest and the pressure sensor, after the user's head leaves the headrest (i.e., getting up), a signal can be sent to the bracelet in real time, allowing the user to confirm whether to continue using the electric blanket, thereby improving the safety of use; moreover, by dividing the headrest into multiple functional areas, the user can get strong support whether sleeping on his back or on his side, which is conducive to releasing the tension and pressure of the head, neck and shoulders, and helping the user to sleep better;

[0023] In addition, the health care effect of the product is improved through the cooperation of the magnet and the massage head.

[0024] In order to more clearly illustrate the structural features and effects of the present invention, it is described in detail below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is a top view of an embodiment of the present invention;

[0026] Figure 2 yes Figure 1 The enlarged structural diagram at A in the middle;

[0027] Figure 3 is a general control block diagram of an embodiment of the present invention;

[0028] Figure 4 It is a partial schematic diagram of the electric blanket body according to an embodiment of the present invention.

[0029] Description of Figure Numbers:

[0030] 10. Electric blanket body

[0031] 11. First main control module 12. First wireless communication module

[0032] 13. Heating element 14. Temperature control circuit

[0033] 15. Magnet 16. Massage head

[0034] 17. Headrest

[0035] 171. Supine sleeping area 172. Side sleeping area No. 1

[0036] 173. Side sleeping area No. 2 174. Neck pillow area

[0037] 18. Pressure sensor

[0038] 20. Bracelet 21. Display screen

[0039] 22. Second main control module 23. Sound and light alarm

[0040] 24. Second wireless communication module 25. Microphone circuit

[0041] 251. Microphone 252. Echo cancellation circuit

[0042] 253. Filter circuit

[0043] 26. Voice processing circuit 27. Through hole

[0044] 28. USB charging port. DETAILED DESCRIPTION

[0045] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments.

[0046] like Figures 1 to 4 As shown, a voice-controlled electric blanket includes an electric blanket body 10 and a wristband 20 wirelessly connected to the electric blanket body 10, wherein:

[0047] The electric blanket body 10 is provided with a first main control module 11, a first wireless communication module 12 and a heating element 13, wherein the first main control module 11 is connected to the heating element 13 and the first wireless communication module 12 respectively;

[0048] The first main control module 11 is connected to the heating element 13 through the temperature control circuit 14. In this embodiment, the first main control module includes a main control chip U1. Preferably, the model of the main control chip U1 is HT66F018. The main control chip U1 has main control pins 1 to 20, and the main control pin 13 is connected to the temperature control circuit 14. The temperature control circuit 14 includes a unidirectional thyristor Q1, a resistor R19, a resistor R20 and a capacitor C6;

[0049] The control electrode of the unidirectional thyristor Q1 is connected to the first main control module through a resistor R20 and a capacitor C6, the T1 electrode of the unidirectional thyristor Q1 is connected to the digital ground, the T1 electrode of the thyristor Q1 is also connected to the control electrode of the unidirectional thyristor Q1 through resistors R19 and R20, and the T2 electrode of the unidirectional thyristor Q1 is connected to the other end of the heating element 13. Preferably, the heating element 13 is a heating wire. The first main control module 11 controls the temperature control circuit 14 to heat the heating wire through the main control pin 13.

[0050] The upper end surface of the electric blanket body 10 is evenly provided with a plurality of magnets 15. When the user lies on the electric blanket body 10, the magnets 15 can play the role of magnetic therapy. The electric blanket body 10 is provided with a plurality of massage heads 16, and all massage heads 16 are distributed in a Y shape. The Y-shaped distribution design better corresponds to the back and calves of the human body. Specifically, the massage head 16 corresponding to the back can massage the spine, and the massage head 16 corresponding to the legs can massage the two calves, thereby enhancing the physical therapy effect of this embodiment.

[0051] The rear end of the electric blanket body 10 is provided with a headrest 17, and a pressure sensor 18 is provided in the headrest 17. The pressure sensor 18 is connected to the first main control module 11 to wirelessly notify the user whether to continue heating after the user's head leaves the headrest 17. Preferably, the bracelet 20 is also provided with an audible and visual alarm 23 connected to the second main control module 22; when the user gets up, that is, the head leaves the headrest 17, and the pressure sensor 18 on the headrest 17 cannot detect a signal, it is sent to the second main control module 22 through the first main control module 11, the first wireless communication module 12, and the second wireless communication module 24 in sequence, and then controls the audible and visual alarm 23 to work to remind the user whether to turn off the electric blanket.

[0052] The headrest portion 17 is divided into four functional areas, namely a supine sleeping area 171 , a first side sleeping area 172 , a second side sleeping area 173 and a neck pillow area 174 , and the pressure sensors 18 are respectively arranged corresponding to the supine sleeping area 171 , the first side sleeping area 172 , the second side sleeping area 173 and the neck pillow area 174 .

[0053] The neck pillow area 174 is located at the front side of the upper end surface of the headrest part 17, the supine sleeping area 171 is located behind the neck pillow area 174, the first side sleeping area 172 and the second side sleeping area 173 are symmetrically located on the left and right sides of the supine sleeping area 171, the neck pillow area 174 is provided with an arc-shaped contact surface with a downward depression in the middle part that matches the human shoulder and neck, the supine sleeping area 171 is provided with an arc-shaped support surface that is depressed forward and matches the curve of the human head, the first side sleeping area 172 and the second side sleeping area 173 are both raised backwards, while fixing the head, when the body is sleeping on the side, filling the gap between the head and neck, and keeping the human spine in a straight line. Through the setting of multiple functional areas, the user can get strong support whether sleeping on the side or on the back, and fully release the tension and pressure of the head, neck and shoulders.

[0054] The wristband 20 is provided with a display screen 21; the wristband 20 is provided with a second main control module 22, a second wireless communication module 24 for wirelessly connecting to the first wireless communication module 12, a microphone circuit 25 for collecting voice signals, and a voice processing circuit 26 for analyzing and processing voice signals. Preferably, the second wireless communication module 24 and the first wireless communication module 12 can both be Bluetooth modules or WiFi modules, and of course can also be other wireless communication modules, which are not listed here one by one.

[0055] In order to ensure the sustainable use of the bracelet 20, the bracelet 20 can be designed as a rechargeable bracelet with a USB charging port 28. A bracelet placement groove 19 is recessed at the front end of the electric blanket body 10. A charging interface (not shown in the figure) is provided in the bracelet placement groove 19. When not in use, the bracelet can be stored in the bracelet placement groove 19 and can be charged through the USB charging port 28 and the charging interface on the electric blanket body 10.

[0056] The second main control module 22 is connected to the second wireless communication module 24 and the voice processing circuit 26, respectively, and the microphone circuit 25 is connected to the voice processing circuit 26. Through the wristband 20 and the microphone circuit 25 and the voice processing circuit 26 on the wristband 20, the electric blanket can be controlled by voice at a longer distance compared to the traditional wired controller, avoiding the limitation of the wire and affecting the use experience. In addition, the design of the wristband 20 is easy to carry and easy to use.

[0057] In this embodiment, the microphone circuit 25 includes a microphone 251, an echo cancellation circuit 252 and a filter circuit 253. The microphone 251 is coupled between the input end of the filter circuit 253 and the output end of the echo cancellation circuit 252. The input end of the echo cancellation circuit 252 is respectively connected to the output end of the voice processing circuit 26, and the output end of the filter circuit 253 is connected to the input end of the voice processing circuit 26. The echo cancellation circuit 252 and the filter circuit 253 are used to improve the clarity of voice recognition and reduce environmental interference. In order to better pick up sound, the upper end surface of the bracelet is provided with a through hole 27 that runs through the interior thereof, and the sound pickup hole of the microphone 251 is arranged opposite to the through hole.

[0058] The key point of the present invention is that it mainly changes the traditional wired controller mode into a wireless control mode of the wristband through the design of the wristband, which can control the electric blanket by voice at a long distance and display its working status, making it more convenient to use, allowing the user to understand the working status of the electric blanket in real time, and improving the user experience;

[0059] Secondly, the clarity of speech recognition is improved and environmental interference is reduced through echo cancellation circuits and filtering circuits;

[0060] Furthermore, through the cooperation of the headrest and the pressure sensor, after the user's head leaves the headrest (i.e., getting up), a signal can be sent to the bracelet in real time, allowing the user to confirm whether to continue using the electric blanket, thereby improving the safety of use; moreover, by dividing the headrest into multiple functional areas, the user can get strong support whether sleeping on his back or on his side, which is conducive to releasing the tension and pressure of the head, neck and shoulders, and helping the user to sleep better;

[0061] In addition, the health care effect of the product is improved through the cooperation of the magnet and the massage head.

[0062] The above description is only a preferred embodiment of the present invention and does not limit the technical scope of the present invention. Therefore, any slight modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A voice-controlled electric blanket, characterized in that: The invention comprises an electric blanket body and a bracelet wirelessly connected to the electric blanket body, wherein: The electric blanket body is provided with a first main control module, a first wireless communication module and a heating element, wherein the first main control module is connected to the heating element and the first wireless communication module respectively; A plurality of magnets are evenly arranged on the upper end surface of the electric blanket body, and a plurality of massage heads are arranged inside the electric blanket body, and all the massage heads are distributed in a Y shape; A headrest is disposed at the rear end of the electric blanket body, and a pressure sensor is disposed in the headrest. The pressure sensor is connected to the first main control module to wirelessly notify the user whether to continue heating after the user's head leaves the headrest. The headrest part is divided into four functional areas, namely, a supine sleeping area, a first side sleeping area, a second side sleeping area and a neck pillow area, and the pressure sensors are respectively arranged corresponding to the supine sleeping area, the first side sleeping area, the second side sleeping area and the neck pillow area; The neck pillow area is located at the front side of the upper end surface of the headrest part, the supine sleeping area is located at the rear of the neck pillow area, the first side sleeping area and the second side sleeping area are symmetrically located on the left and right sides of the supine sleeping area, the neck pillow area is provided with an arc-shaped contact surface with a downward depression in the middle part to match the human shoulder and neck, the supine sleeping area is provided with an arc-shaped support surface that is depressed forward to match the curve of the human head, and the first side sleeping area and the second side sleeping area are both raised backwards; The bracelet is provided with a display screen; the bracelet is provided with a second main control module, a second wireless communication module for wirelessly connecting to the first wireless communication module, a microphone circuit for collecting voice signals, and a voice processing circuit for analyzing and processing voice signals, the second main control module is respectively connected to the second wireless communication module and the voice processing circuit, and the microphone circuit is connected to the voice processing circuit; The microphone circuit includes a microphone, an echo cancellation circuit and a filter circuit. The microphone is coupled between the input end of the filter circuit and the output end of the echo cancellation circuit. The input end of the echo cancellation circuit is respectively connected to the output end of the voice processing circuit, and the output end of the filter circuit is connected to the input end of the voice processing circuit.

2. The voice-controlled electric blanket according to claim 1, characterized in that: The first main control module is connected to the heating element through a temperature control circuit.

3. The voice-controlled electric blanket according to claim 2, characterized in that: The first main control module includes a main control chip U1. The main control chip U1 has main control pins 1 to 20. The main control pin 13 is connected to the temperature control circuit.

4. The voice-controlled electric blanket according to claim 2, characterized in that: The temperature control circuit includes a unidirectional thyristor Q1, a resistor R19, a resistor R20 and a capacitor C6; The control electrode of the unidirectional thyristor Q1 is connected to the first main control module through a resistor R20 and a capacitor C6, the T1 electrode of the unidirectional thyristor Q1 is connected to the digital ground, the T1 electrode of the thyristor Q1 is also connected to the control electrode of the unidirectional thyristor Q1 through resistors R19 and R20, and the T2 electrode of the unidirectional thyristor Q1 is connected to the other end of the heating element.

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