Wireless heating device based on magnetic coupling resonant wireless charging technology for power supply

Abstract

The invention provides a wireless heating device powered based on a magnetic coupling resonant wireless charging technology, a transmitting end comprises a transmitting end microprocessor, a power supply system and a transmitting coil, the transmitting end microprocessor and the power supply system are used for connecting an alternating current power supply and transmitting electric energy to the transmitting coil; the transmitting coil is used for generating a high-frequency alternating electromagnetic field; the receiving end comprises a receiving coil, a heating patch, a temperature sensor and a receiving end microprocessor, the receiving coil is used for receiving the high-frequency alternating electromagnetic field and inducing current, and the current is used for supplying power to the heating patch; the temperature sensor and the receiving end microprocessor are used for sensing temperature and wirelessly transmitting temperature signals to the transmitting end. The water cup has the advantages that the magnetic coupling resonance type wireless power transmission principle is utilized, energy transmission from the energy supply base to the receiving circuit arranged in the water cup is achieved, the heating patch works by means of the received electric energy, and therefore water in the cup is heated.

Description

Technical Field

[0001] The present invention belongs to the field of magnetic coupling resonant wireless power transmission, and in particular relates to a wireless heating device powered by magnetic coupling resonant wireless charging technology. Background Art

[0002] Traditional electric heating water cups are heated by a wired power supply method, that is, the power supply end is connected to the heating water cup through a wire. This method has the following problems: The wired charging method requires connecting a large number of wires, which limits the freedom of charging and is inconvenient to use; Frequent plugging and unplugging of the charging interface will cause wear, reduce the service life, and even produce electric sparks, posing a safety hazard. In addition, traditional induction cooker-style heating water cups use the eddy current generated by metals to heat the liquid in the water cup. This method also has the following problems: The heating speed is fast, the temperature is not easy to control, and it is easy to cause overheating or insufficient heating; The heat source only exists at the bottom of the water cup, and the heating is uneven, affecting the use experience. Summary of the Invention

[0003] In view of this, the present invention aims to propose a wireless heating device powered by magnetic coupling resonant wireless charging technology to solve at least one problem in the background art.

[0004] To achieve the above object, the technical solution of the present invention is realized as follows: A wireless heating device powered by magnetic coupling resonant wireless charging technology, comprising: A transmitting end, including a transmitting end microprocessor, a power supply system, and a transmitting coil. The transmitting end microprocessor and the power supply system are used to connect to an AC power supply and transfer electrical energy to the transmitting coil, and the transmitting coil is used to generate a high-frequency alternating electromagnetic field; A receiving end, including a receiving coil, a heating patch, a temperature sensor, and a receiving end microprocessor. The receiving coil is used to receive the high-frequency alternating electromagnetic field and induce a current, and the current is used to supply power to the heating patch. The temperature sensor and the receiving end microprocessor are used to sense the temperature and wirelessly transmit the temperature signal to the transmitting end; Wherein, the transmitting end microprocessor controls the power supply system according to the temperature signal to realize temperature control of the heating patch.

[0005] Further, the transmitting end further includes an adjustment knob for setting a preset water temperature value. Further, the transmitting end further includes a temperature display screen for displaying the current real-time temperature and the user preset temperature.

[0006] Further, the transmitting coil is wound by high-frequency litz wire.

[0007] Further, the receiving coil is wound with high-frequency litz wire.

[0008] Further, the temperature sensor and the receiving-end microprocessor feedback the temperature signal to the transmitting end through the energy and information simultaneous transmission system.

[0009] Further, the heating patch is made of a heating material.

[0010] Further, the heating patch is arranged at the cup wall part.

[0011] Further, it further includes a cup body. The inner wall of the cup body is composed of a heat-conducting and insulating material, and the outer part of the cup body is composed of a heat-insulating and insulating material.

[0012] Further, the cup body further includes a cup lid, and the cup lid is provided with an exhaust hole.

[0013] Compared with the prior art, the wireless heating device powered by the magnetic coupling resonance wireless charging technology of the present invention has the following beneficial effects: (1) The wireless heating device powered by the magnetic coupling resonance wireless charging technology of the present invention utilizes the principle of magnetic coupling resonance wireless power transmission to realize the energy transfer from the energy supply base to the built-in receiving circuit of the water cup, and relies on the received electric energy to make the heating patch work, so as to realize the heating of the water in the cup. At the same time, the user can set according to the water temperature required by himself to maintain a constant temperature; (2) The wireless heating device powered by the magnetic coupling resonance wireless charging technology of the present invention functions as a heating patch installed on the cup wall of the water cup, so as to achieve the purpose of heating the liquid in the water cup. At the same time, through the temperature sensor and the receiving-end microprocessor installed in the cup wall, the water temperature in the cup can be displayed in real time, so that heating can be carried out according to the needs of the user. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation to the present invention. In the drawings: Figure 1 It is a schematic diagram of a self-inductance, internal resistance, and mutual inductance test system of a double-coupling coil magnetic coupling mechanism according to an embodiment of the present invention; Figure 2 It is a schematic diagram of an energy and information simultaneous transmission system of an electric water cup according to an embodiment of the present invention; Figure 3 It is a schematic diagram of the working process of an energy and information simultaneous transmission system of an electric water cup according to an embodiment of the present invention.

[0015] Description of the reference numerals: 1 - Transmitter microprocessor and power supply system; 2 - Adjustment knob; 3 - Temperature display screen; 4 - Transmitting coil; 5 - Receiving coil; 6 - Temperature sensor and receiver microprocessor; 7 - Heating patch; 8 - Cup body; 9 - Cup lid. Detailed implementation mode

[0016] It should be noted that, without conflict, the embodiments in the present invention and the features in the embodiments can be combined with each other.

[0017] The present invention will be described in detail below with reference to the drawings and in conjunction with embodiments.

[0018] This solution discloses a wireless heating device powered by magnetic coupling resonant wireless charging technology. It uses magnetic coupling resonant wireless power transmission technology to realize the transfer of electrical energy from the power supply transmitter to the receiver of the electric water cup, and uses the transferred electrical energy to power the heating patch, thereby realizing the heating of the liquid in the cup. During this process, the user can preset the water temperature according to their own needs. When the water temperature reaches the preset value, the power supply is stopped; the temperature sensor in the water cup can also feedback the current real-time temperature to the temperature display screen at the transmitter end.

[0019] As Figure 1 shown, Figure 1 is the overall system diagram of the non-contact electromagnetic heating water cup. First, the "transmitter microprocessor and power supply system" is connected to the 220VAC power supply to power the entire system; then, the user sets the preset temperature using the "adjustment knob" according to their own needs, and its preset value is displayed on the "temperature display screen"; the system starts to work, and the "transmitter microprocessor and power supply system" transfers electrical energy to the "transmitting coil". The "transmitting coil" excites a high-frequency alternating electromagnetic field under the action of alternating current, and the "receiving coil" induces a current under the action of the high-frequency alternating electromagnetic field to power the load, that is, the "heating patch"; the "temperature sensor and receiver microprocessor" can sense the water temperature and feedback the temperature signal to the "transmitter microprocessor and power supply system" and the "temperature display screen" in real time through the energy communication system. When the preset temperature is reached, the "transmitter microprocessor and power supply system" no longer supplies power to the system, and it stops working at this time.

[0020] The entire test system consists of the following 5 parts: Transmitter microprocessor and power supply system 1; Adjustment knob 2; Temperature display screen 3; Transmitting coil 4; Receiving coil 5; Temperature sensor and receiver microprocessor 6; Heating patch 7; Cup body 8; Cup lid 9. Specifically: The transmitter microprocessor and power supply system 1 is connected to the 220VAC mains power supply to power the entire electric heating system. According to the energy communication system, the temperature signal of the electric heating water cup, that is, the receiver end, is demodulated, and the control system is controlled based on this demodulated signal to realize the adjustment of the water temperature; The adjustment knob 2 is used to set the preset value of the water temperature; The temperature display screen 3 is used to display the current real-time temperature and the user-predefined temperature; The transmitting coil 4 is wound with high-frequency litz wire to provide a high-frequency alternating magnetic field for the receiving coil; The receiving coil 5 is wound with high-frequency litz wire and is used to obtain high-frequency alternating current under the action of the high-frequency alternating magnetic field to supply energy to the load circuit; The temperature sensor and the receiving-end microprocessor 6 are used to sense the temperature inside the cup, convert the temperature signal into a control signal, and feedback the temperature signal to the transmitting end through the energy and information co-transmission system; The heating patch 7 is made of a heat-generating material, that is, the entire load part of the wireless charging, and can generate heat under the action of current to achieve the purpose of heating the liquid in the cup; The inner wall of the cup body 8 is composed of a heat-conducting insulating material, which can transfer the temperature of the heating patch to the liquid, and the outside of the cup body is composed of a heat-insulating insulating material, which can isolate the temperature inside the cup; The cup cover 9 is used for sealing and is provided with a vent hole to adjust the air pressure when the air pressure inside the cup is too high.

[0021] Those of ordinary skill in the art can realize that the units and method steps of each example described in combination with the embodiments disclosed herein can be implemented by electronic hardware, computer software, or a combination of the two. To clearly illustrate the interchangeability of hardware and software, the composition and steps of each example have been generally described according to functions in the above description. Whether these functions are executed in a hardware or software manner depends on the specific application and design constraints of the technical solution. Professional technicians can use different methods to implement the described functions for each specific application, but such implementation should not be considered to exceed the scope of the present invention.

[0022] In the several embodiments provided in the present application, it should be understood that the disclosed methods and systems can be implemented in other ways. For example, the above-mentioned division of units is only a logical function division, and there can be other division methods in actual implementation. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. The above units may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they can be located in one place, or they can be distributed to multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiments of the present invention.

[0023] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the various embodiments of the present invention, and they should all be covered by the scope of the claims and the description of the present invention.

[0024] The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims

1. A wireless heating device powered by magnetic coupling resonant wireless charging technology, characterized in that Comprising: A transmitting end, including a transmitting-end microprocessor, a power supply system, and a transmitting coil. The transmitting-end microprocessor and the power supply system are used to connect to an AC power supply and transfer electrical energy to the transmitting coil, and the transmitting coil is used to generate a high-frequency alternating electromagnetic field; A receiving end, including a receiving coil, a heating patch, a temperature sensor, and a receiving-end microprocessor. The receiving coil is used to receive the high-frequency alternating electromagnetic field and induce a current, and the current is used to supply power to the heating patch. The temperature sensor and the receiving-end microprocessor are used to sense the temperature and wirelessly transmit the temperature signal to the transmitting end; Wherein, the transmitting-end microprocessor controls the power supply system according to the temperature signal to achieve temperature control of the heating patch.

2. The wireless heating device powered by the magnetic coupling resonant wireless charging technology according to claim 1, wherein: The transmitting end further includes an adjustment knob for setting a preset water temperature value.

3. The wireless heating device powered by the magnetic coupling resonance wireless charging technology according to claim 1, characterized in that: The transmitting end further includes a temperature display screen for displaying the current real-time temperature and the user preset temperature.

4. The wireless heating device powered by the magnetic coupling resonance wireless charging technology according to claim 1, wherein: The transmitting coil is wound by high-frequency litz wire.

5. The wireless heating device powered by the magnetic coupling resonance wireless charging technology according to claim 1, characterized in that: The receiving coil is wound by high-frequency litz wire.

6. The wireless heating device powered by the magnetic coupling resonant wireless charging technology according to claim 1, wherein: The temperature sensor and the receiving-end microprocessor feedback the temperature signal to the transmitting end through a communication and transmission system.

7. The wireless heating device powered by the magnetic coupling resonant wireless charging technology according to claim 1, wherein: The heating patch is made of a heat-generating material.

8. The wireless heating device powered by the magnetic coupling resonant wireless charging technology according to claim 1, characterized in that: The heating patch is arranged at the cup wall part.

9. The wireless heating device powered by the magnetic coupling resonant wireless charging technology according to claim 1, wherein: It further includes a cup body. The inner wall of the cup body is composed of a heat-conducting and insulating material, and the outer part of the cup body is composed of a heat-insulating and insulating material.

10. The wireless heating device powered by the magnetic coupling resonant wireless charging technology according to claim 1, wherein: The cup body further includes a cup lid, and the cup lid is provided with an exhaust hole.

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