A wireless power supply system and method for sterile packaging active equipment

Abstract

This invention discloses a wireless power supply system and method for aseptically packaged active devices, relating to the field of wireless power supply technology. The system includes a wireless power supply section and a wireless receiving and energy storage section. The wireless power supply section includes a wireless power transmission module, which receives mains power and transmits oscillating electromagnetic wave energy into the surrounding space. The wireless receiving and energy storage section includes a wireless receiving conversion module, an energy storage module, and a functional module of the packaged device. The wireless receiving conversion module receives the oscillating electromagnetic wave energy emitted by the wireless power transmission module and converts the received electromagnetic wave energy into DC power, which is then transmitted to the energy storage module to charge it. After charging, the energy storage module can supply power to the functional module of the packaged device. The internal energy storage component of this system contains no electrical charge, completely disconnecting it from the circuitry and eliminating weak discharges from the internal circuitry, thus extending shelf life. Furthermore, the possibility of false start-ups can be eliminated through encoding or encrypted communication.

Description

Technical Field

[0001] The present invention relates to the technical field of wireless power supply, and in particular to a wireless power supply system and method for aseptically packaged active equipment. Background Art

[0002] After sterilization and sealing, existing sterile active medical devices that contain internal battery power supply methods will have the problem of battery self-discharge or weak discharge of the internal circuit at the same time, which limits the shelf life.

[0003] In order to solve this problem, the prior art generally uses a physical switch to disconnect the battery from the internal functional circuit to eliminate the discharge of the internal circuit to the battery. When in use, a magnetic device is often used to start and turn on the physical switch with a magnetic sensitive device inside, but the magnetic sensitive device is easily interfered by other irrelevant magnetic objects and causes false start. Summary of the invention

[0004] In view of the above problems, the present invention provides a wireless power supply system and method for sterile packaged active equipment. When stored on the shelf, the internal energy storage component does not contain electricity, so that the energy storage component is completely disconnected from the circuit, eliminating the weak discharge caused by the internal circuit, thereby extending the shelf life. Before using the unsealed sterile package, the energy storage component is charged by external wireless radio energy, and then the packaging equipment is powered by wireless charging. In addition, the charging process of the energy storage component and the power supply of the energy storage component to the packaged equipment can be controlled by coded or encrypted communication, eliminating the possibility of false start-up, and multiple switches can be realized.

[0005] To achieve the above-mentioned object, the first aspect of the present invention provides a wireless power supply system for sterile packaging active equipment, which includes a wireless power supply part and a wireless receiving energy storage part;

[0006] The wireless power supply part includes a wireless power supply transmitting module; the wireless power supply transmitting module is used to receive the mains power and transmit oscillating electromagnetic wave energy to the surrounding space;

[0007] The wireless receiving energy storage part includes a wireless receiving conversion module, an energy storage module and a packaged device functional module;

[0008] The wireless receiving and converting module is used to receive the oscillating electromagnetic wave energy emitted by the wireless power supply transmitting module, and convert the received electromagnetic wave energy into direct current and transmit it to the energy storage module to charge the energy storage module; after being charged, the energy storage module supplies power to the functional module of the packaged device.

[0009] Based on the above technical solution, further, the wireless power supply part also includes a wireless communication transmitting module, and the wireless receiving energy storage part also includes a wireless communication receiving module; the wireless communication transmitting module is used to input and transmit the charging and discharging control signal, and the wireless communication receiving module is used to receive the charging and discharging control signal to control the charging and discharging state of the energy storage module.

[0010] Based on the above technical solution, further, the wireless communication transmitting module includes an encoding unit, which can encode the address setting and the control switch button status to form at least four charge and discharge control signals with address codes, and the four charge and discharge control signals include: charging signal, stop charging signal, power supply signal, stop power supply signal; the wireless communication receiving module includes a decoding unit, which is used to decode the signal with address coding and control switch information transmitted by the aforementioned transmitting module, and compare the address code obtained after decoding with the address code of the decoder. If the two are consistent, it is considered to be a one-to-one paired product at the factory, and the decoded charge and discharge control signal is further output.

[0011] Based on the above technical solution, further, the wireless power supply transmission module includes a self-excited oscillation circuit and a transmitting coil; the transmitting coil is used to transmit the electric energy generated by the self-excited oscillation circuit to the surrounding space in the form of oscillating electromagnetic waves.

[0012] Based on the above technical solution, further, the wireless receiving conversion module includes a receiving coil and a rectifying and filtering circuit; the receiving coil is used to receive the electromagnetic waves emitted by the transmitting coil and convert them into alternating current and transmit them to the rectifying and filtering circuit; the rectifying and filtering circuit is used to rectify and filter the alternating current and convert it into direct current.

[0013] Based on the above technical solution, further, the wireless communication transmission module also includes a control input unit, which includes a charging signal button, a stop charging signal button, a power supply signal button and a stop power supply signal button, which are used to select and input charging and discharging control signals.

[0014] Based on the above technical solution, further, the packaged device functional module includes a power management unit, and the power management unit is used to manage the power supply of the energy storage module to the packaged device functional module.

[0015] To achieve the above-mentioned purpose, the second aspect of the present invention provides a wireless power supply method for a sterile packaging active device, comprising the following steps: S1, receiving electric energy provided by the mains, and converting the electric energy provided by the mains into electric energy for wireless transmission; S2, receiving the wirelessly transmitted electric energy emitted by S1 and rectifying and filtering it into direct current; S3, transmitting and storing the rectified and filtered direct current to an energy storage component; S4, controlling the energy storage component that stores electric energy to power the sterile packaging active device.

[0016] Based on the above technical solution, further, the following steps are included: A1, receiving the electric energy provided by the mains, and converting the electric energy provided by the mains into electric energy for wireless transmission; A2, inputting and transmitting a charging signal; A3, receiving a charging signal, starting to receive the wirelessly transmitted electric energy transmitted by A1 and rectifying and filtering it into direct current; A4, transmitting the rectified and filtered direct current to the energy storage component to charge the energy storage component, and when the energy storage component is sufficiently charged; inputting and transmitting a stop charging signal; A5, receiving a stop charging signal, stopping charging the energy storage component; A6, inputting and transmitting a power supply signal; A7, receiving a power supply signal, starting the energy storage component to supply power to the sterile packaging active device; A8, inputting and transmitting a power supply signal; A9, receiving a power supply signal, stopping the energy storage component from supplying power to the sterile packaging active device.

[0017] Based on the above technical solution, further, the charging signal, the charging stop signal, the power supply signal, and the power supply stop signal are coded or encrypted communication information.

[0018] Based on the above technical solution, further, the energy storage component is a rechargeable battery and / or a super capacitor.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] (1) When the present invention is stored on a shelf, the internal energy storage component does not contain any electricity, eliminating the weak discharge caused by the internal circuit, thereby extending the shelf life.

[0021] (2) The present invention also provides a wireless communication module, which can encrypt and encode the on-off control information sent and transmit the password information according to the standard communication protocol, further improving the reliability, eliminating the possibility of false start-up, and realizing multiple switches.

[0022] (3) The present invention can use supercapacitors as energy storage components. If supercapacitors are used as energy storage devices, the present invention can have almost unlimited shelf life.

[0023] (4) When the required power is large or the power supply capacity is poor due to volume limitation, the energy storage component of the present invention can adopt a dual power supply method of rechargeable batteries and supercapacitors, thereby achieving long-term high-power continuous and stable power supply. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A schematic diagram of a wireless power supply system for aseptically packaging active equipment according to an embodiment of the present invention;

[0025] Figure 2 This is a circuit diagram of a wireless power supply transmission module according to an embodiment of the present invention;

[0026] Figure 3A circuit diagram of a wireless receiving conversion module according to an embodiment of the present invention;

[0027] Figure 4 is a circuit diagram of an energy storage module according to an embodiment of the present invention;

[0028] Figure 5 A circuit diagram of a wireless communication transmission module according to an embodiment of the present invention;

[0029] Figure 6 4 is a circuit diagram of a wireless communication receiving module according to an embodiment of the present invention. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0033] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] In order to better understand the technical solution of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings.

[0035] In view of the problems existing in the prior art, the present invention provides a wireless power supply system and method for sterile packaged active equipment. When stored on the shelf, the internal energy storage component does not contain electricity, so that the energy storage component is completely disconnected from the circuit, eliminating the weak discharge caused by the internal circuit, thereby extending the shelf life. Before using the unsealed sterile package, the energy storage component is charged by external radio energy, and then the packaging equipment is powered by wireless charging. In addition, the charging process of the energy storage component and the power supply of the energy storage component to the packaged device can be controlled by coded or encrypted communication, eliminating the possibility of false start-up, and multiple switches can be realized.

[0036] Please refer to the attached Figure 1-6 The first aspect of the present invention provides a wireless power supply system for sterile packaging active equipment, including a wireless power supply part and a wireless receiving energy storage part; the wireless power supply part includes a wireless power supply transmitting module; the wireless power supply transmitting module is used to receive AC power and transmit oscillating electromagnetic wave energy to the surrounding space.

[0037] Furthermore, the wireless power supply transmission module includes a self-excited oscillation circuit and a transmitting coil; Figure 2 As shown, the self-excited oscillation circuit is composed of a MOS tube Q1, a resistor R1, and capacitors C1, C2, and C3. The self-excited oscillation circuit is connected to a transmitting coil L1, and the transmitting coil L1 is used to transmit the electric energy generated by the self-excited oscillation circuit to the surrounding space in the form of oscillating electromagnetic waves. Furthermore, the oscillation frequency of the self-excited oscillation circuit is 120kHz. The wireless power supply transmission module circuit described here is an embodiment, and other integrated wireless charging transmission chips on the market can also be used.

[0038] The wireless receiving energy storage part includes a wireless receiving conversion module, an energy storage module, and a packaged device functional module; the wireless receiving conversion module is used to receive the oscillating electromagnetic wave energy emitted by the wireless power supply transmitting module, and convert the received electromagnetic wave energy into direct current and transmit it to the energy storage module to charge the energy storage module; after being charged, the energy storage module can supply power to the packaged device functional module.

[0039] Based on the above technical solution, further, the wireless receiving conversion module includes a receiving coil L2 and a rectifying and filtering circuit; the receiving coil L2 is used to receive the electromagnetic waves emitted by the transmitting coil and convert them into alternating current and transmit them to the rectifying and filtering circuit; the rectifying and filtering circuit is used to rectify and filter the alternating current and convert it into direct current.

[0040] Furthermore, if Figure 3As shown, the rectifier and filter circuit includes a bridge rectifier circuit part composed of diodes D1-D4 and a filter circuit part composed of capacitors C4 and C5. The receiving coil L2 is connected to the bridge rectifier circuit part. The receiving coil L2 receives the electromagnetic wave energy emitted by the transmitting coil L1, converts it into alternating current and outputs it to the bridge rectifier circuit to rectify it into direct current, and then outputs the fluctuating direct current to the filter circuit for filtering. Furthermore, the filtered direct current can be output to the charging management chip U1 connected to the filter circuit part. The chip controls R prog Output V bat-Charge The rectifier and filter circuit also includes two LED lights, D5 and D6, which are used to display the charging status respectively. The red D6 is on during charging, and the green D5 is on after full charge.

[0041] Through the above scheme, the internal energy storage component can be free of electricity, the energy storage component can be completely disconnected from the circuit, and the weak discharge caused by the internal circuit can be eliminated, thereby extending the shelf life. Before unsealing the sterile package, the energy storage component is charged by external wireless energy, and then the packaging device is powered by wireless charging.

[0042] Based on the above technical solution, further, the wireless power supply part also includes a wireless communication transmitting module, and the wireless receiving energy storage part also includes a wireless communication receiving module; the wireless communication transmitting module is powered by AC power and is used to input and transmit charging and discharging control signals, and the wireless communication receiving module is used to receive charging and discharging control signals to control the charging and discharging state of the energy storage module.

[0043] Based on the above technical solution, further, the wireless communication transmission module includes a coding unit, and further, as Figure 5 As shown, the encoding unit includes an encoder U2, an address setting switch and a control input part, the encoder U2 provides communication identification coding and control data coding, and the address setting switch constitutes coding identification. The control input part includes a control input circuit composed of diodes D7-D10, resistors R6-R9 and a charging signal button K1, a stop charging signal button K2, a power supply signal button K3, and a stop power supply signal button K4, which are used to select and input charging and discharging control signals.

[0044] The encoding unit can encode the address setting and the control switch button status to form at least four charge and discharge control signals with address codes, and the four charge and discharge control signals include: charging signal, stop charging signal, power supply signal, and stop power supply signal; the wireless communication receiving module includes a decoding unit, which is used to decode the signal with address coding and control switch information transmitted by the aforementioned transmitting module, and the address code obtained after decoding is compared with the address code of the decoder. If the two are consistent, it is considered that it is a one-to-one paired product at the factory, and the decoded charge and discharge control signal is further output.

[0045] Furthermore, the wireless communication transmission module also includes a wireless transmission unit U4, a transmission antenna and a voltage regulator U3. The modulated code data stream formed by U2 is output from the output end of U2 to the wireless transmitter U4, and is converted into electromagnetic waves and emitted through the transmission antenna. The voltage regulator U3 supplies power to the wireless transmission unit U4.

[0046] Based on the above technical solution, further, Figure 6 As shown, the wireless communication receiving module includes a decoding unit, and the decoding unit includes a decoding chip U7 for decoding the charge and discharge control signal. The wireless communication receiving module also includes a wireless receiving unit U6, a receiving antenna and a voltage regulator U5. The communication coding signal transmitted by the wireless communication transmitting module is received by the receiving antenna and U6; the received coding signal is transmitted to U7 for decoding; the control signal decoded by U7 is transmitted through the D connected to the energy storage module. Charge End and D Contrl The data is transmitted to the energy storage module, thereby controlling the charging and discharging status of the energy storage module. Figure 4 and Figure 6 When the energy storage module receives D from U7 Charge If the signal decoded by U7 is a charging signal from U2, the charging of the energy storage module will be started or stopped. Specifically, if the signal decoded by U7 is a charging signal from U2, the charging of the energy storage components of the energy storage module will be started; if the signal decoded by U7 is a stop charging signal from U2, the charging of the energy storage components of the energy storage module will be stopped. Contrl Specifically, if the signal decoded by U7 is a power supply signal from U2, the energy storage component of the energy storage module is started to supply power to the sterile packaging active device; if the signal decoded by U7 is a stop power supply signal from U2, the energy storage component of the energy storage module is stopped from supplying power to the sterile packaging active device.

[0047] Through the above scheme, the charging process of the energy storage component and the power supply of the energy storage component to the packaged device can be controlled by coded or encrypted communication, the possibility of false start-up can be eliminated, and multiple switches can be realized.

[0048] Based on the above technical solution, further, the energy storage component is at least one of a rechargeable battery and a super capacitor. If a super capacitor is used as the energy storage component, the present invention can have almost unlimited shelves.

[0049] Given that the energy-to-volume ratio of supercapacitors is slightly lower, when the required power is large or the power supply capacity is poor due to volume limitations, the energy storage component can adopt a dual combination of rechargeable batteries and capacitors to achieve long-term, high-power, continuous and stable power supply.

[0050] Based on the above technical solution, in order to improve the stability and safety of the energy storage module supplying power to the sterile packaging active device, further, the packaged device functional module includes a power management unit, which is used to manage the power supply from the energy storage module to the sterile packaging active device. The power management unit can select an existing power management module on the market, and this application will not repeat it.

[0051] The second aspect of the present invention provides a wireless power supply method for a sterile packaging active device, using the above-mentioned wireless power supply system, including the following steps: S1, receiving the electric energy provided by the mains, and converting the electric energy provided by the mains into electric energy for wireless transmission; S2, receiving the wirelessly transmitted electric energy emitted by S1 and rectifying and filtering it into direct current; S3, transmitting and storing the rectified and filtered direct current to an energy storage component; S4, controlling the energy storage component that stores electric energy to power the sterile packaging active device.

[0052] Based on the above technical solution, further, the following steps are included: A1, receiving the electric energy provided by the mains, and converting the electric energy provided by the mains into electric energy for wireless transmission; A2, inputting and transmitting a charging signal; A3, receiving a charging signal, starting to receive the wirelessly transmitted electric energy transmitted by A1 and rectifying and filtering it into direct current; A4, transmitting the rectified and filtered direct current to the energy storage component to charge the energy storage component, and when the energy storage component is sufficiently charged; inputting and transmitting a stop charging signal; A5, receiving a stop charging signal, stopping charging the energy storage component; A6, inputting and transmitting a power supply signal; A7, receiving a power supply signal, starting the energy storage component to supply power to the sterile packaging active device; A8, inputting and transmitting a power supply signal; A9, receiving a power supply signal, stopping the energy storage component from supplying power to the sterile packaging active device.

[0053] Based on the above technical solution, further, the charging signal, the charging stop signal, the power supply signal, and the power supply stop signal are coded or encrypted communication information.

[0054] Based on the above technical solution, further, the energy storage component is a rechargeable battery and / or a super capacitor.

[0055] Finally, it should be noted that the above content is only used to illustrate the technical solution of the present invention, rather than to limit the scope of protection of the present invention. Simple modifications or equivalent substitutions of the technical solution of the present invention by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the present invention.

Claims

1. A wireless power supply system for sterile packaged active equipment, characterized in that: It includes a wireless energy supply part and a wireless energy receiving and storing part; The wireless power supply part includes a wireless power supply transmitting module; the wireless power supply transmitting module is used to receive the mains power and transmit oscillating electromagnetic wave energy to the surrounding space; The wireless receiving energy storage part includes a wireless receiving conversion module, an energy storage module and a packaged device functional module; The wireless receiving and converting module is used to receive the oscillating electromagnetic wave energy emitted by the wireless power supply transmitting module, and convert the received electromagnetic wave energy into direct current and transmit it to the energy storage module to charge the energy storage module; after being charged, the energy storage module supplies power to the functional module of the packaged device.

2. The wireless power supply system according to claim 1, characterized in that: The wireless power supply part also includes a wireless communication transmitting module, and the wireless receiving energy storage part also includes a wireless communication receiving module; the wireless communication transmitting module is used to input and transmit charging and discharging control signals, and the wireless communication receiving module is used to receive charging and discharging control signals to control the charging and discharging state of the energy storage module.

3. The wireless power supply system according to claim 2, characterized in that: The wireless communication transmitting module includes an encoding unit, which encodes at least four charging and discharging control signals, including: a charging signal, a stop charging signal, a power supply signal, and a stop power supply signal; the wireless communication receiving module includes a decoding unit for decoding the charging and discharging control signals.

4. The wireless power supply system according to any one of claims 1 to 3, characterized in that: The wireless power supply transmission module includes a self-excited oscillation circuit and a transmitting coil; the transmitting coil is used to transmit the electric energy generated by the self-excited oscillation circuit to the surrounding space in the form of oscillating electromagnetic waves.

5. The wireless power supply system according to claim 3, characterized in that: The wireless receiving conversion module includes a receiving coil and a rectifying and filtering circuit; the receiving coil is used to receive the electromagnetic waves emitted by the transmitting coil and convert them into alternating current and transmit them to the rectifying and filtering circuit; the rectifying and filtering circuit is used to rectify and filter the alternating current and then convert it into direct current.

6. The wireless power supply system according to claim 5, characterized in that: The wireless communication transmitting module also includes a control input unit, which includes a charging signal button, a stop charging signal button, a power supply signal button and a stop power supply signal button, and the control input unit is used to select and input a charging and discharging control signal.

7. The wireless power supply system according to claim 6, characterized in that: The packaged device function module includes a power management unit, and the power management unit is used to manage the power supply from the energy storage module to the packaged device function module.

8. A method for wireless power supply of a sterile packaged active device, characterized in that: Using the wireless power supply system according to any one of claims 1 to 7, the wireless power supply method comprises the following steps: S1, receiving the electric energy provided by the mains, and converting the electric energy provided by the mains into electric energy for wireless transmission; S2, receives the wirelessly transmitted electric energy transmitted by S1 and rectifies and filters it into direct current; S3, transmitting and storing the rectified and filtered direct current to the energy storage component; S4. Control the energy storage component that stores electrical energy to supply power to the sterile packaging active equipment.

9. A wireless power supply method for sterile packaged active equipment, characterized in that: Using the wireless power supply system according to any one of claims 1 to 7, the wireless power supply method comprises the following steps: A1. Receive the electric energy provided by the mains and convert it into electric energy for wireless transmission; A2, input charging signal and transmit; A3, receives the charging signal, starts receiving the wirelessly transmitted power emitted by A1 and rectifies and filters it into direct current; A4, transmitting the rectified and filtered DC power to the energy storage component to charge the energy storage component, and when the energy storage component is sufficiently charged; inputting a stop charging signal and transmitting; A5, receiving a stop charging signal, and stopping charging the energy storage component; A6, input power supply signal and transmit; A7, receiving the power supply signal, starting the energy storage component to supply power to the sterile packaging active equipment; A8, input power supply signal and transmit; A9. Receive the power supply signal and stop the energy storage component from supplying power to the sterile packaging active equipment.

10. The wireless power supply method according to claim 9, characterized in that: The energy storage component is a rechargeable battery and / or a super capacitor.

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