[0029] Next, the technical solutions in the embodiments of the present invention will be described in connection with the drawings of the embodiments of the present invention, and it is understood that the described embodiments are merely the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained in the art without paying creative labor, all of the present invention.
[0030] Such as figure 1 As shown, the present invention provides an environmental radio frequency signal wireless charging LED lamp, including LED lamp 1 and a lamp body 2 for mounting the LED lamp 1, an LED lamp 1 mounted at a front portion of the lamp body 2. Such as figure 2 Design, the lamp body 2 is provided with a control module 3, the power supply module 4, and the energy storage module 5, the control module is used to control the working mode of the LED lamp, and when the external environment is normal, the LED light remains flicker, and there is alarm information The LED lamp remains a constant bright state. The energy storage module 6 includes an energy collecting module 6 and an energy storage module 8, and the energy collecting module 6 is connected to the energy storage module 8 through the rectifier boost circuit 7, and the energy collecting module absorbs the radio frequency signal in the environment, by rectifying boosting The circuit converts the RF signal into a DC signal and raises the voltage to the energy storage module for storage. The energy storage module 8 and the control module 3 are connected to the power supply module 4, and the power supply module is powered by the capacitance group in the power storage module, and the power supply module is also powered by the entire control circuit in the lamp body. The rectifier boost circuit 7 and the LED light 1 are connected to the control module 3, and the control module drives the rectifier boost circuit to process the collected RF signal, and the control module is determined by receiving external sensing information, and then controls the LED lamp. Bright and flashing to prompt information.
[0031] Specific image 3 As shown, the energy collecting module 6 includes a collection antenna 9, an adaptive electromagnetic receiving module 10, and a matching network 11, and the collecting antenna 9 is connected to the adaptive electromagnetic receiving module 10, and the matching network 11 is respectively and collects antenna 9, adaptive electromagnetic The receiving module 10 is connected. The collecting antenna 9 includes at least one of a broadcast antenna, a cellular antenna or a WiFi antenna, preferably three types including broadcast antennas, honeycomb antennas, and WiFi antennas; adaptive electromagnetic receiving modules can pass the WiFi in the environment. The intensity of cellular and broadcast signals, adjustment and reception, realizing automatic selection of energy strongest antennas, enabling the strongest signal in the antenna absorption environment; matching networks reduce radio frequency signal reflection loss, improve radio frequency signal absorption efficiency. The matching network 11 is connected to the rectifying boost circuit 7, and the rectifier boost circuit converts the collected radio frequency signal into a DC signal and raises the voltage, and finally passes to the energy storage module for storage.
[0032]Further, the adaptive electromagnetic receiving module 10 includes a signal detecting module 12, a first MCU processor 13, and a switching circuit 14, a collecting antenna 9 is connected to the signal detecting module 12, and the signal detecting module 12 and the switch circuit 14 are A MCU processor 13 is connected, and the switch circuit 14 is connected to the matching network 11. The signal detecting module 12 includes a current sensing coil 15 and a voltage acquisition circuit 17, and the current sensing coil 15 is connected to the collecting antenna 9, and the current sensing coil 15 is connected to the voltage collecting circuit 17, and the voltage collecting circuit 17 is connected by the rectifier circuit 16. The first MCU processor 13 is connected. Since the three antennas of the broadcast antenna, honeycomb antenna and WiFi antenna are set in this embodiment, there are three groups of corresponding current sensing coils, rectifier circuits, voltage collection circuits, and switching circuits. Figure 4 As shown, the radio frequency signal is collected by the radio antenna, the cellular antenna, and the WiFi antenna. The three sets of current sensing coils should be collected by the radio frequency signal current collected, and transmitted to the rectifier circuit of the corresponding connection, corresponding voltage The acquisition circuit acquisition voltage signals and is transmitted to the first MCU processor for comparison analysis.
[0033] The three-way rectifying circuit 16 includes a rectifier bridge D1, D2, and D3, respectively, and the rectifier bridge uses the existing rectifier bridge, the rectifier bridge, the rectifier bridge D1, D2, and D3, respectively. The output end of the rectifier bridge D1, D2, and D3 is connected to the filter circuit, which consists of a capacitance and resistance arranged in parallel, specifically a first capacitor C1 and a first resistor R1 set in parallel with the output of the rectifier bridge D1. The output of the entire stream bridge D2 is connected to the second capacitance C2 and the second resistor R2 set, and the output terminal of the rectifier bridge D3 is connected in parallel. The third capacitance C3 and the third resistance R3, the capacitances C1, C2, C3 are filter capacitance. Both the resistors R1, R2, R3 are bleeded resistors, and one end of the first capacitance C1 and the first resistor R1 is connected to the first input pin IN1 of the first MCU processor 13, and the other end is grounded; One end of the capacitance C2 and the second resistor R2 is connected to the second input pin IN2 of the first MCU processor 13, and the other end is grounded; one end of the third capacitor C3 and the third resistance R3 is in the first MCU processor. 13 The third input pin IN3 is connected, and the other end is grounded. The three output pins of the first MCU processor 13 correspond to the three-way switching circuit 14.
[0034] The three-way switching circuit 14 includes MOS tubes Q1, Q2, and Q3, and MOS tube Q1 corresponds to the broadcast antenna, and the MOS tube Q2 corresponds to the honeycomb antenna, and the MOS tube Q3 corresponds to the WiFi antenna. The gate of the MOS tube Q1 is connected to the first output pin OUT1 of the first MCU processor 13, and the gate of the MOS tube Q2 is connected to the second output pin OUT2 of the first MCU processor 13, and the MOS tube Q3 The gate is connected to the third output pin OUT3 of the first MCU processor 13, the drain and the source of the three MOS tubes and the collecting antenna 9 are connected to the A end of the matching network 11, specifically, matching the network 11 The A end is divided into three groups according to three collecting antennas, ie labeled matching network 1, matching network 2 and matching network 3, MOS tube Q1 drain and source and broadcast antenna corresponding connection matching network 1, MOS tube Q2 The drain and source and the honeycomb antenna correspond to the connection matching network 2, the drain and the source of the MOS tube Q3, and the WiFi antenna correspond to the connection matching network 3. When working, the signal is collected by WiFi, honeycomb and broadcast antenna. After the corresponding current sensing coil induces current size, the corresponding rectifier bridge D1, D2, D3 are rectified, and the DC voltage is output through the corresponding resistors. The first MCU processor is sampled comparison to the voltage. If the IN1-terminal acquisition voltage is maximum, the OUT1 end is output to a high level, and the remaining output is low, the MOS tube Q1 is turned on, collects broadcast signals; if the IN2-terminal acquisition voltage is the highest, the OUT2 end output is high, the remaining The output is low, the MOS tube Q2 is turned on, and the honeycomb signal is collected; if the IN3-terminal acquisition voltage is maximized, the OUT3 end is output to a high level, and the remaining output is low, the MOS tube Q3 is turned on, and the WiFi signal is collected. And there is a voltage regulator diode between the drain and the source of the three MOS tubes to function as a regulated protection circuit.
[0035] Such as Figure 5 As shown, the B-terminal of the matching network 11 is connected to the input port C which matches the network circuit, and matches the network circuit connection rectifier boost circuit 7; the matching network circuit includes a first inductor L1, and both ends of the first inductance L1 are connected separately. There is a fourth capacitor C4 and a fifth capacitor C5, the fourth capacitor C4, and the fifth capacitor C5 are both grounded. The first inductance L1, the fourth capacitor C4, and the fifth capacitor C5 constitute a π-type impedance matching circuit, by changing the capacitance value of the fourth capacitor C4 and the fifth capacitor C5, the matching of the antenna and the rectifier circuit can be reduced. Reflection loss in the RF circuit improves energy collection efficiency.
[0036] As a further preferred embodiment, the rectifier boost circuit 7 employs a five-stage charge pump rectifier boost circuit, each of the charge pump rectifier boost circuits includes a set of Schottky diodes, each group of Schottky diodes including one input. The port and two output ports, and the input port of the Schottky diode, one output port of the Schottky diode is connected to the third inductance L3 through the second filter capacitor, and the other output port is connected to the third filter capacitor, the third filtering Capacitance grounding. Specific Image 6 As shown, the five-stage charge pump rectifier boost circuit includes one Schottky diode D4, a second Schottky diode D5, a three-stage Schottky diode D6, four Schottky diode D7 and five Schottky The diode D8, the input port 1 of the first-stage Schottky diode D4 is grounded, one output port 3 connects the sixth capacitor C6, and the other output port 2 connects the eleventh capacitor C11, the secondary Schottky diode D5 input port 1 ground An output port 3 connects the seventh capacitor C7, and the other output port 2 connects the twelfth capacitor C12, the input port 1 of the three-stage Schottky diode D6, one output port 3 connects the eighth capacitor C8, another output port. 2 Connect the thirteenth capacitor C13, the input port 1 of the fourth Schottky diode D7 is grounded, one output port 3 connects the ninth capacitor C9, and the other output port 2 connects the fourteenth capacitor C14, the five Schottky diode D8 The input port 1 is grounded, one output port 3 connects the tenth capacitor C10, and the other output port 2 connects the fifteenth capacitor C15, and the output port of the five Schottky diode D8 is connected to the function module port of the control module 3. . The eleventh capacitor C11, the twelfth capacitor C12, the thirteenth capacitor C13, the fourteenth capacitor C14 and the fifteenth capacitor C15 are all grounded, the sixth capacitor C6, the seventh capacitor C7, the eighth capacitor C8, the first The nine capacitance C9 and the tenth capacitor C10 are connected to the third inductor L3, and the third inductance L3 is connected to the second inductor L2, the second inductance L2 ground. This structure is designed to use the Schottky diode D4 unidirectional conduction characteristics and capacitance (C6, C11) charge and discharge properties into a single-line rectifier boost circuit. Inductance (L3, L2) and Capacitor (C6, C7, C8, C9, C10) constitute a resonant circuit, filter out harmonics; Schottky diodes (D4, D5, D6, D7, D8) and capacitance (C11, C12, C13, C14, C15) constitute a boost circuit. The working process is open, the voltage is Vd, and when the input voltage is -vin, the diode D4 is turned on the 1-3 port, charging the capacitor C6, the capacitor C6 voltage is Vin-VD, input voltage transformation When VIN, the voltage of capacitor C6 does not mutation. At this time, the voltage at the port 3 of the diode D4 is 2Vin-Vd, the forward direction 3-2 port, charge the capacitor C11, the capacitor C11 voltage is 2 (Vin) -VD). After the diode D5, D6, D7, D8 is sequentially increased, and the DC voltage is output from the output port D. Inductance L2, L3, and Caps C6 constitute a resonant circuit, filter out other harmonics in the circuit. The third inductance L3 is coupled to the energy storage module 8 through the output port D to store the boiled DC signal to the energy storage module.
[0037] Such as Figure 7 As shown, the energy storage module 8 includes two sets of parallel capacitive groups, each group of capacitive groups including six parallel connection 10F / 3V capacitors, and the charge is 50mAh when the capacitor set is filled. One end of the two sets of capacitive groups is connected to the rectifier boost circuit 7, and the other end is connected to the power supply module 4. The set two sets of capacitive groups are used to store the collected energy. On the one hand, it ensures that the 60MW LED light can maintain normal brightness for more than 1 hour; on the other hand, it is also satisfied with the application to the adaptive electromagnetic receiving module and the power supply module 0.58MW. Power supply needs of low-power microprocessors.
[0038] Such as Figure 8 As shown, the power supply module 4 includes a second MCU processor and a selector U4, the input end of the second MCU processor separately connects the B1 pin of the selector U4 and the VCC pin, the output of the second MCU processor. The select pin of the selector U4, and the input of the second MCU processor is also connected to the fourth resistor R4, the fourth resistor R4 ground. The fourth resistor R4 voltage value is consistent with the I1 port voltage. The end voltage of the second MCU processor samples the fourth resistor R4 can obtain the voltage of the selector input I1 port, and then input the second MCU processor and pre-set by IN4 pin. The voltage threshold is compared to select the power supply capacitor group. The B1 pin of the selector U4 is connected to the I1 port, the B0 pin connection I2 port, the I1 port, and the I2 port corresponding to the two sets of capacitive groups in the energy storage module 8, and the capacitive group 1 is the main power supply, and the capacitor group 2 is used as When the stock is supplied, the voltage dividing circuits I1 and I2 port voltages are 3V when they work. The IN4 pin acquisition I1 voltage and I2 voltage of the second MCU processor are compared. If the voltage is less than 2V, the OUT4 pin of the second MCU processor outputs a low level, if it is more than 2V, the OUT4 pin outputs a high level. If the selector U4 inputs the low level, the B0 and A pins are turned on. If the input high level is input, the power switch between the two sets of capacitive groups is achieved, and the LED light is light. Stablize. The A pin of the selector U4 is connected to the control port J of the control module 3.
[0039] Such as Figure 9 As shown, the control module 3 includes a control switch Key1, an NPN diode Q4, a PNP diode Q5, and an LED lamp. The control switch KEY1 is connected to the LED lamp and the selector U4; the base of the NPN diode Q4 passes the fifth resistor R5 and The selector U4 is connected, and the base of the NPN diode Q4 is also connected to the twenty-eight capacitor C28, the collector of the NPN diode Q4 is connected to the base of the PNP diode Q5, and the emitter and LED light of the NPN diode Q4 are grounded. The emitter of the PNP diode Q5 is connected to the selector U4, and the collector and the second eighteen capacitor C28 of the PNP diode Q5 are connected to the LED lamp. When the external sensing device does not receive an alarm signal, the control switch Key1 is disconnected, the LED lamp operates in a scintillation circuit; the circuit is turned on, the twenty-eight capacitor C28 right side voltage is 0, the NPN diode Q4 base is not opened Voltage, non-working, PNP diode Q5 is also in a broken state, the LED lamp does not work; at this time, the circuit is charged by the fifth resistor R5, and the voltage C28 has exceeds 0.7 V, and the diode Q4 and Q5 are guided. Tong, LED lamp work. Capacitor C28 charge is reduced due to diode Q4, the voltage drop, when less than 0.5V, the diode Q4 is disconnected, the LED lamp stops, and the power supply is again charged, the LED lamp forms a flashing mode. When the external sensing device receives an alarm signal, the control switch Key1 is closed, the circuit is short, and the LED lamp begins to work.
[0040] It is only the preferred embodiments of the present invention, and any modifications, equivalents, improvements, etc., which are not intended to limit the invention, any modification, equivalent, improvement, etc. according to the spirit and principles of the present invention. Within the protection range.
