CN210092969U - High-frequency microwave type wireless charging device - Google Patents
High-frequency microwave type wireless charging device Download PDFInfo
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- CN210092969U CN210092969U CN201920661018.4U CN201920661018U CN210092969U CN 210092969 U CN210092969 U CN 210092969U CN 201920661018 U CN201920661018 U CN 201920661018U CN 210092969 U CN210092969 U CN 210092969U
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Abstract
A high frequency microwave wireless charging device. One side of shell (1) is equipped with plug (2), the top surface of shell (1) inner chamber be equipped with DC input device (3), the right side of DC input device (3) be equipped with filter (4), the right side of filter (4) be equipped with radio frequency power amplifier (5), the right side of radio frequency power amplifier (5) be equipped with overload protection ware (6), the right side of overload protection ware (6) be equipped with controlling means (7). The utility model discloses be used for solving and can not adjust transmitting coil's height and angle, make the receiving coil degree of agreeing with on transmitting coil and the receiving equipment very little, lead to energy transmission efficiency very low, transmitting coil and receiving coil stagger each other in same horizontal plane even, can not carry out the problem of wireless charging.
Description
Technical Field
The utility model relates to a high frequency microwave formula wireless charging device.
Background
At present, the transmission of electric energy is mainly carried out in a wired mode (namely, a cable is used as an electric energy transmission medium), so that loss is easy to occur in the electric energy transmission process, and the transmission efficiency is reduced; the phenomena of line aging, point discharge and the like can also influence the service life and safety of electric equipment, meanwhile, the phenomena of charging, maintenance difficulty and poor flexibility under the severe environments of rain, snow and the like, human body implanted medical instruments, underwater, mines and other operation conditions can be effectively solved by a wireless energy transmission technology, the wireless energy transmission is also called non-contact electric energy transmission, which means that electric energy is transmitted from a power supply side to a load side without any wire connection, because wires are saved, the magnetic coupling resonant wireless charging device has stronger flexibility, higher safety and stability and better conforms to the future social development trend, the existing magnetic coupling resonant wireless charging device is fixedly installed, the height and the angle of a transmitting coil cannot be adjusted, and the fitting degree of the transmitting coil and a receiving coil on the receiving equipment is very small, the energy transmission efficiency is low, and even the transmitting coil and the receiving coil are in the same horizontal plane and are staggered with each other, so that wireless charging cannot be carried out.
Disclosure of Invention
The utility model aims at providing a wireless charging device of high frequency microwave formula for solve height and the angle that can not adjust transmitting coil, make the receiving coil degree of agreeing with on transmitting coil and the receiving equipment very little, lead to energy transmission efficiency very low, transmitting coil and receiving coil stagger each other in same horizontal plane even, can not carry out the problem of wireless charging.
The above purpose is realized by the following technical scheme:
a high-frequency microwave type wireless charging device is provided, wherein a plug 2 is arranged on one side of a shell 1, a DC input device 3 is arranged on the top surface of an inner cavity of the shell 1, a filter 4 is arranged on the right side of the DC input device 3, a radio frequency power amplifier 5 is arranged on the right side of the filter 4, an overload protector 6 is arranged on the right side of the radio frequency power amplifier 5, a control device 7 is arranged on the right side of the overload protector 6,
a fixed sleeve 8 is arranged on the upper top surface of the shell 1, a limit slider 9 is arranged inside the fixed sleeve 8, a lifting inner tube 10 is arranged on the top surface of the limit slider 9, a positioning block 11 is sleeved outside the lifting inner tube 10, limit teeth 12 are arranged on the outer surface of the positioning block 11, a limit device 13 is arranged at the upper end of the right side of the outer surface of the fixed sleeve 8,
the inner wall of the fixed sleeve 8 is provided with a limit spring 14, the end part of the limit spring 14 is connected with one end of a traction steel wire 15, the other end of the traction steel wire 15 extends to the outside of the fixed sleeve 8 and is connected with a pull ring 16, the left side surface of the fixed sleeve 8 is provided with a through hole 17, the traction steel wire 15 passes through the through hole 17,
the top of lift inner tube 10 extend to the outside of fixed sleeve 8 and be connected with connector 18, the top of connector 18 be connected with connecting plate 21 through fixing bolt 20, fixing bolt 20's front end be equipped with action bars 22, connecting plate 21's right-hand member be equipped with gather can 23, the inner wall that gathers can 23 be connected with the one end of fixed pipe 24, the other end of fixed pipe 24 connect installation shell 25, the inner wall of installation shell 25 be equipped with and gather can iron core 26, the outside winding that gathers can iron core 26 have transmitting coil 27, the upper and lower two sides of installation shell 25 all be connected with stiffener 28, the other end of stiffener 28 with gather and cover 23 inner wall connection.
The limiting device 13 comprises a limiting shell 1301, the left end of the limiting shell 1301 penetrates through the side face of the fixing sleeve 8 and extends into the fixing sleeve 8, a piston 1302 is connected to the inside of the limiting shell 1301 in a sliding mode, a limiting plate 1303 is arranged on the left side face of the piston 1302, a limiting hole 1304 is formed in the left side face of the limiting shell 1301, the left end of the limiting plate 1303 penetrates through the limiting hole 1304 and extends to the outside of the limiting shell 1301, one end of a traction rod 1305 is connected to the right side face of the piston 1302, the other end of the traction rod 1305 extends to the outside of the limiting shell 1301 and is sleeved with a traction cap 1307, a limiting spring 1306 is movably sleeved on the outer surface of the traction rod 1305, and two ends of the limiting spring 1306 are located on the right side face of the piston 1302 and the right side face of an inner cavity of the limiting shell 1301 respectively.
Furthermore, the left end face of the limiting plate 1303 is provided with an inclined chamfer, and the limiting plate 1303 can be meshed with the limiting teeth 12.
Furthermore, the positioning block 11 is conical, and the diameter of the top end of the positioning block 11 is larger than that of the bottom end thereof.
Furthermore, the top surface of the fixed sleeve 8 is provided with a lifting hole 19, and the inner diameter value of the lifting hole 19 is larger than the maximum diameter value of the positioning block 11.
Furthermore, the limiting elastic sheet 14 is bent upwards and deformed, and the end part of the limiting elastic sheet 14 can be clamped with the positioning block 11.
Has the advantages that:
1. the utility model discloses an adopt microwave antenna to carry out the energy transmission, make the energy of launching concentrate to a direction, the energy is concentrated, help improving energy transmission efficiency, through lifting the connector, the connector takes the locating piece rebound through the lift inner tube, be conical setting through the locating piece, the in-process that makes the locating piece rebound provides an ascending power for spacing shell fragment, make spacing shell fragment elastic bending, elasticity through spacing shell fragment self, the one end that makes spacing shell fragment outwards pops out and will go up and down the inner tube card owner through the locating piece, accomplish this wireless charging device's altitude mixture control, and is simple and convenient, and easy to operate.
2. The utility model discloses the connector passes through fixing bolt and connecting plate fixed connection, makes people can adjust through rotatory fixing bolt and gathers the angle of cover on the vertical direction, through the action bars that sets up on the fixing bolt, makes things convenient for people to rotate fixing bolt, and the regulative mode is simple, easy to operate.
3. The utility model discloses a pull and emit the tractive traction lever, the traction lever passes through the piston and takes the limiting plate to remove in spacing shell, make limiting plate and spacing tooth separately, so that the adjustment can gather the angle value of cover on the horizontal direction, provide a thrust for the piston through spacing spring, make the piston can push away the limiting plate and remove to the direction of keeping away from spacing shell, and then make the limiting plate mesh with corresponding spacing tooth again, carry on spacingly to the locating piece, thereby carry on spacingly to the lift inner tube, the completion can gather the angle modulation of cover on the horizontal direction, the adjustment is simple, and easy operation.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the internal structure of the limiting device of the present invention.
FIG. 3 is an enlarged schematic view of the structure at A of the present invention
Fig. 4 is a logic signal flow diagram of the present invention.
Fig. 5 is a circuit diagram of (a) the single chip U6, (b) the external crystal oscillator, (c) the RC series circuit, and (d) the interface P1 of the main control chip.
Fig. 6 is the (a) H bridge inverter circuit diagram and (b) LC series resonance circuit diagram of the present invention.
Fig. 7 is a circuit diagram of (a) MOSFET circuit U1 and (b) MOSFET circuit U5 according to the present invention.
Fig. 8 is a circuit diagram of (a) not gate, (b) resistor R1, (c) delay unit 1, and (d) delay unit 2 of the square wave delay signal of the present invention.
Fig. 9 is a feedback signal amplifying circuit diagram of the present invention.
Fig. 10 is a diagram of (a) a power supply voltage stabilizing circuit and (b) a voltage reducing circuit of the present invention.
1. A housing; 2. a plug; 3. a DC input device; 4. a filter; 5. a radio frequency power amplifier; 6. an overload protection device; 7. a control device; 8. fixing the sleeve; 9. a limiting slide block; 10. lifting the inner pipe; 11. positioning blocks; 12. limiting teeth; 13. a limiting device; 1301. a limiting shell; 1302. a piston; 1303. a limiting plate; 1304. a limiting hole; 1305. a draw bar; 1306. a limiting spring; 1307. a traction cap; 14. a limiting elastic sheet; 15. a traction wire; 16. a pull ring; 17. a through hole; 18. a connector; 19. a lifting hole; 20. fixing the bolt; 21. a connecting plate; 22. an operating lever; 23. an energy-gathering cover; 24. a fixed tube; 25. mounting a shell; 26. an energy-gathered iron core; 27. a transmitting coil; 28. reinforcing bar
The specific implementation mode is as follows:
a high-frequency microwave type wireless charging device is provided, wherein a plug 2 is arranged on one side of a shell 1, a DC input device 3 is arranged on the top surface of an inner cavity of the shell 1, a filter 4 is arranged on the right side of the DC input device 3, a radio frequency power amplifier 5 is arranged on the right side of the filter 4, an overload protector 6 is arranged on the right side of the radio frequency power amplifier 5, a control device 7 is arranged on the right side of the overload protector 6,
a fixed sleeve 8 is arranged on the upper top surface of the shell 1, a limit slider 9 is arranged inside the fixed sleeve 8, a lifting inner tube 10 is arranged on the top surface of the limit slider 9, a positioning block 11 is sleeved outside the lifting inner tube 10, limit teeth 12 are arranged on the outer surface of the positioning block 11, a limit device 13 is arranged at the upper end of the right side of the outer surface of the fixed sleeve 8,
the inner wall of the fixed sleeve 8 is provided with a limit spring 14, the end part of the limit spring 14 is connected with one end of a traction steel wire 15, the other end of the traction steel wire 15 extends to the outside of the fixed sleeve 8 and is connected with a pull ring 16, the left side surface of the fixed sleeve 8 is provided with a through hole 17, the traction steel wire 15 passes through the through hole 17,
the top of lift inner tube 10 extend to the outside of fixed sleeve 8 and be connected with connector 18, the top of connector 18 be connected with connecting plate 21 through fixing bolt 20, fixing bolt 20's front end be equipped with action bars 22, connecting plate 21's right-hand member be equipped with gather can 23, the inner wall that gathers can 23 be connected with the one end of fixed pipe 24, the other end of fixed pipe 24 connect installation shell 25, the inner wall of installation shell 25 be equipped with and gather can iron core 26, the outside winding that gathers can iron core 26 have transmitting coil 27, the upper and lower two sides of installation shell 25 all be connected with stiffener 28, the other end of stiffener 28 with gather and cover 23 inner wall connection.
The microwave antenna is composed of the energy-gathering cover 23, the fixing tube 24, the mounting shell 25, the energy-gathering iron core 26, the transmitting coil 27 and the reinforcing rod 28, energy is transmitted by the microwave antenna, and the transmitted energy is concentrated to one direction, so that the energy is concentrated, and the energy transmission efficiency is improved.
Further, the limiting device 13 includes a limiting shell 1301, the left end of the limiting shell 1301 penetrates through the side surface of the fixed sleeve 8 and extends into the fixed sleeve 8, a piston 1302 is slidably connected inside the limiting shell 1301, a limiting plate 1303 is arranged on the left side surface of the piston 1302, a limiting hole 1304 is formed in the left side surface of the limiting shell 1301, the left end of the limiting plate 1303 penetrates through the limiting hole 1304 and extends to the outside of the limiting shell 1301, one end of a traction rod 1305 is connected to the right side surface of the piston 1302, the other end of the traction rod 1305 extends to the outside of the limiting shell 1301 and is sleeved with a traction cap 1307, a limiting spring 1306 is movably sleeved on the outer surface of the traction rod 1305, and two ends of the limiting spring 1306 are respectively located on the right side surface of the piston 1302 and the right side surface of the inner cavity of the limiting shell 1301.
Furthermore, the left end face of the limiting plate 1303 is provided with an inclined chamfer, and the limiting plate 1303 can be meshed with the limiting teeth 12.
Furthermore, the positioning block 11 is conical, and the diameter of the top end of the positioning block 11 is larger than that of the bottom end thereof.
Furthermore, the top surface of the fixed sleeve 8 is provided with a lifting hole 19, and the inner diameter value of the lifting hole 19 is larger than the maximum diameter value of the positioning block 11.
Furthermore, the limiting elastic sheet 14 is bent upwards and deformed, and the end part of the limiting elastic sheet 14 can be clamped with the positioning block 11.
The working principle is as follows: firstly, lifting the connector 18 upwards, driving the positioning block 11 to move upwards by the connector 18 through the lifting inner tube 10, providing an upward force for the limiting elastic sheet 14 in the process that the positioning block 11 moves upwards to enable the limiting elastic sheet 14 to bend and deform upwards elastically, then enabling one end of the limiting elastic sheet 14 to pop outwards under the action of the self elastic force of the limiting elastic sheet 14 and clamping the lifting inner tube 10 through the positioning block 11, enabling the lifting inner tube 10 to only lift upwards but not to drop downwards, when the lifting inner tube 10 needs to be adjusted downwards, holding the energy-gathering cover 23 by hands, then pulling the pull ring 16 outwards, pulling the limiting elastic sheet 14 through the pull steel wire 15 by the pull ring 16 to enable the limiting elastic sheet 14 to bend and deform upwards elastically, then separating the limiting elastic sheet 14 from the positioning block 11, moving the energy-gathering cover 23 downwards to a required height, then loosening the pull ring 16, enabling one end of the limiting elastic sheet 14 to pop outwards under the action of the self elastic force and clamping the lifting inner tube 10 through, the height adjustment of the wireless charging device is completed, the wireless charging device is simple, convenient and easy to operate, the engagement degree between the transmitting coil 27 and the receiving coil is increased, the energy transmission efficiency is improved, then the fixing bolt 20 is rotated through the operating rod 22, the connecting plate 21 can rotate relative to the connector 18, then the angle of the energy-gathering cover 23 in the vertical direction is adjusted, after the adjustment is completed, the fixing bolt 20 is reversely rotated, the connecting plate 21 is tightly connected with the connector 18, the adjustment mode is simple and easy to operate, the engagement degree between the transmitting coil 27 and the receiving coil is further increased, the energy transmission efficiency is improved, then the traction rod 1305 is pulled through the traction cap 1307, the traction rod 1305 drives the limiting plate 1303 to move towards the limiting shell 1301 through the piston 1302, the limiting plate 1303 is separated from the limiting teeth 12, then the energy-gathering cover 23 is rotated in the horizontal direction, so as to adjust the angle value of the energy, loosen and draw cap 1307 after adjusting, spacing spring 1306 promotes piston 1302 and removes to the direction of keeping away from drawing cap 1307, make piston 1302 can push away limiting plate 1303 and remove to the direction of keeping away from spacing shell 1301, and then make limiting plate 1303 mesh with corresponding spacing tooth 12 again, spacing locating piece 11, thereby it is spacing to carry out lift inner tube 10, angle fixing that will adjust is good, accomplish the angle modulation of gathering can cover 23 on the horizontal direction, the control mode is simple, easy to operate, the degree of agreeing with between transmitting coil 27 and the receiving coil has once more increased, energy transmission efficiency is improved.
Its internal circuit structure includes:
the transmitting terminal main control module transmits signals to a DC-AC circuit, the DC-AC circuit transmits the signals to a feedback signal amplifying circuit, the DC-AC circuit and a rectifying filtering and feedback signal circuit are in magnetic coupling resonance, the rectifying filtering and feedback signal circuit sends signals to a receiving terminal voltage generating circuit, the receiving terminal voltage generating circuit sends signals to an undervoltage automatic turn-off module, the undervoltage automatic turn-off module sends signals to a battery to be charged by a load, the battery to be charged by the load feeds back the signals to the receiving terminal main control module, and the receiving terminal main control module also receives the feedback signals of the undervoltage automatic turn-off module.
In fig. 5-10, the same letter ends are connected through a lead and work together.
According to fig. 5, the transmitting terminal main control chip singlechip adopts a power-on automatic reset structure, the reset structure is composed of R28 and C30, R28 is a pull-up resistor, and C30 is a filter capacitor; the light emitting diode D8 is used for displaying the state of a signal during debugging and providing a debugging circuit; the element P1 is a download port of the singlechip, wherein 5V, RST, MOSI, MISO and SCK are used as a shared port, the download port is a data port I/O port when the singlechip works, and the download port is used when the singlechip downloads a program; the external crystal oscillator provides the required oscillation for the work of the singlechip, and C21 and C27 are filter capacitors.
The main function of the main control chip is to generate square wave signals with required duty ratio for subsequent circuits, and automatically adjust the duty ratio of the signals according to feedback signals provided by a receiving end, so that the purpose of adjusting output power is achieved, the main control chip is used for controlling output signals, and the effect of controlling the whole circuit is achieved.
The direct current DC is obtained by a student power supply.
According to FIG. 6: in order to obtain alternating voltage and supply the alternating voltage to a coupling coil for wireless energy transmission, an H-bridge inverter circuit is adopted to provide a DC signal (VCC) for a student power supply, the DC signal is converted into an alternating current signal through a related circuit, and finally the alternating current signal is supplied to an LC series resonance network.
In the figure, signals Vg1, Vg2, Vg3 and Vg4 supply gate drive voltage of the MOSIRF7832 to the front-end circuit, the waveform is square wave, wherein Vg1 is complementary to Vg2, and the working principle is as follows: when Vg1 is at a high level, Vg2, Vg3 are at a low level, Vg4 is at a high level, at this time, Q1 and Q4 tubes are turned on, Q2 and Q3 tubes are turned off, current flows through Q1, L1, C14, Q3, and finally enters GND, the on and off of the 4 MOS tubes are controlled by square wave signals Vg1, Vg2, Vg3 and Vg4 generated at a previous stage, and then two opposite loops are turned on, so that corresponding alternating-current square waves are generated at two ends of an LC series circuit, if the frequency of a driving signal matches with the fixed frequency of the LC circuit, the driving signal resonates with the LC series circuit, when the LC series circuit at a receiving end also has the same inherent frequency as the previous stage, the transmitting end resonates with the receiving end, electric energy is efficiently transmitted to the receiving end in a magnetic coupling manner to process a subsequent circuit, and finally the battery is charged through an external interface, so as a purpose of wireless charging is achieved.
According to FIG. 7: since the driving square wave signal comes from the single chip microcomputer, although the voltage value reaches 5V, the current driving capability of the driving square wave signal is weak and is not enough to drive the IRF7832MOS chip, the chip U1 and the chip U5 are adopted as shown in the figure, through the chip, the PWM signal from the front stage has the driving capability of the IRF7832MOS chip, and complementary square wave signals Vg1, Vg2, Vg3 and Vg4 are generated, and the 4 paths of lines alternately act to generate an alternating current power supply required by a subsequent circuit.
According to FIG. 8: the alternating current driving source is a 0-5V square wave signal from a singlechip U6, the output port is MOSI,
since the inverter circuit needs two complementary square wave signals, two full-envelope square wave signals are needed to prevent Q1 and Q4, and Q2 and Q3 from being turned on at the same time, and thus a square wave delay signal circuit is needed to generate the envelope square wave signal, wherein (a) is a not gate circuit, (c) is a circuit diagram of the delayer 1, and (d) is a circuit diagram of the delayer 2.
According to FIG. 9: when the receiving end is charged, the charging condition of the battery is detected constantly, the electric quantity condition of the battery is transmitted to a main control chip of the receiving end in real time, the main control chip transmits a code to a receiving load, so that the current change of the receiving end can be generated, the current change is transmitted to the transmitting end finally in a coupling mode, a tiny current change is generated at the transmitting end, a square wave is generated by the tiny current change of the transmitting end through an amplifying circuit and a self-comparison circuit, the code is transmitted to the receiving end, the square wave is transmitted to the main control chip of the transmitting end finally, the electric quantity condition of the battery is judged by the main control chip of the transmitting end through the range of preset voltage, the main control chip of the transmitting end controls the power of the transmitting end by adjusting the.
According to FIG. 10: the +5V voltage adopts an AMS1117 voltage stabilizing chip which meets the technical requirements;
the LM2663 chip is adopted for the voltage of-5V, and the chip meets the technical requirements.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present invention should also belong to the protection scope of the present invention.
Claims (6)
1. A high-frequency microwave type wireless charging device is characterized in that: a plug (2) is arranged on one side of a shell (1), a DC input device (3) is arranged on the top surface of an inner cavity of the shell (1), a filter (4) is arranged on the right side of the DC input device (3), a radio frequency power amplifier (5) is arranged on the right side of the filter (4), an overload protector (6) is arranged on the right side of the radio frequency power amplifier (5), a control device (7) is arranged on the right side of the overload protector (6),
a fixed sleeve (8) is arranged on the upper top surface of the shell (1), a limiting slide block (9) is arranged inside the fixed sleeve (8), a lifting inner tube (10) is arranged on the top surface of the limiting slide block (9), a positioning block (11) is sleeved outside the lifting inner tube (10), limiting teeth (12) are arranged on the outer surface of the positioning block (11), a limiting device (13) is arranged at the upper end of the right side of the outer surface of the fixed sleeve (8),
the inner wall of the fixed sleeve (8) is provided with a limiting elastic sheet (14), the end part of the limiting elastic sheet (14) is connected with one end of a traction steel wire (15), the other end of the traction steel wire (15) extends to the outside of the fixed sleeve (8) and is connected with a pull ring (16), the left side surface of the fixed sleeve (8) is provided with a through hole (17), the traction steel wire (15) passes through the through hole (17),
the top of lift inner tube (10) extend to the outside of fixed sleeve (8) and be connected with connector (18), the top of connector (18) be connected with connecting plate (21) through fixing bolt (20), the front end of fixing bolt (20) be equipped with action bars (22), the right-hand member of connecting plate (21) be equipped with and gather ability cover (23), the inner wall of gathering ability cover (23) be connected with the one end of fixed pipe (24), the other end of fixed pipe (24) connect installation shell (25), the inner wall of installation shell (25) be equipped with and gather ability iron core (26), the outside winding of gathering ability iron core (26) have transmitting coil (27), the upper and lower two sides of installation shell (25) all be connected with stiffener (28), the other end and gathering of stiffener (28) cover (23) inner wall connection.
2. The high frequency microwave-type wireless charging device according to claim 1, wherein: the limiting device (13) comprises a limiting shell (1301), the left end of the limiting shell (1301) penetrates through the side face of the fixing sleeve (8) and extends into the fixing sleeve (8), a piston (1302) is connected in the limiting shell (1301) in a sliding manner, a limiting plate (1303) is arranged on the left side surface of the piston (1302), the left side surface of the limiting shell (1301) is provided with a limiting hole (1304), the left end of the limiting plate (1303) passes through the limiting hole (1304) and extends to the outside of the limiting shell (1301), the right side surface of the piston (1302) is connected with one end of a traction rod (1305), the other end of the traction rod (1305) extends to the outside of the limit shell (1301) and is sleeved with a traction cap (1307), a limit spring (1306) is movably sleeved on the outer surface of the traction rod (1305), two ends of the limiting spring (1306) are respectively positioned on the right side surface of the piston (1302) and the right side surface of the inner cavity of the limiting shell (1301).
3. The high frequency microwave-type wireless charging device according to claim 2, characterized in that: the left end face of the limiting plate (1303) is provided with an inclined chamfer, and the limiting plate (1303) can be meshed with the limiting teeth (12).
4. The high frequency microwave-type wireless charging device according to claim 1, wherein: the positioning block (11) is conical, and the diameter value of the top end of the positioning block (11) is larger than that of the bottom end of the positioning block.
5. The high frequency microwave-type wireless charging device according to claim 1, wherein: the top surface of the fixed sleeve (8) is provided with a lifting hole (19), and the inner diameter value of the lifting hole (19) is larger than the maximum diameter value of the positioning block (11).
6. The high frequency microwave-type wireless charging device according to claim 1, wherein: the limiting elastic sheet (14) is bent upwards and deformed, and the end part of the limiting elastic sheet (14) can be clamped with the positioning block (11).
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| CN201920661018.4U CN210092969U (en) | 2019-05-09 | 2019-05-09 | High-frequency microwave type wireless charging device |
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| CN110061571A (en) * | 2019-05-09 | 2019-07-26 | 东北农业大学 | A kind of high-frequency microwave formula wireless charging device and its application method |
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| CN110061571A (en) * | 2019-05-09 | 2019-07-26 | 东北农业大学 | A kind of high-frequency microwave formula wireless charging device and its application method |
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