CN209996212U - wireless charging system of sweeper - Google Patents
wireless charging system of sweeper Download PDFInfo
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- CN209996212U CN209996212U CN201920534198.XU CN201920534198U CN209996212U CN 209996212 U CN209996212 U CN 209996212U CN 201920534198 U CN201920534198 U CN 201920534198U CN 209996212 U CN209996212 U CN 209996212U
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Abstract
The utility model provides an kind of wireless charging system of machine of sweeping floor, fill the seat including the mobile host computer with returning, it is equipped with a plurality of groups magnetic induction transmitting coil on the seat to return, be used for the conversion and the transmission of electromagnetism, be equipped with on the mobile host computer the corresponding magnetic induction receiving coil of magnetic induction transmitting coil is used for receiving and coming from magnetic induction transmitting coil's magnetoelectric conversion, magnetic induction transmitting coil with magnetic induction receiving coil gives through the resonance the mobile host computer charges.
Description
Technical Field
The utility model relates to a domestic service type machine field of charging, more specifically say and indicate kinds of wireless charging system of machine of sweeping floor.
Background
At present, the charging mode of the household intelligent sweeper is that the household intelligent sweeper is charged in a floor type mode of contacting and conducting electricity by a metal pole piece, the household intelligent sweeper is greatly influenced by the working environment in use, and the reliability is gradually deteriorated along with the lapse of time. This charging method is less safe in use due to the bare metal sheet being connected to the circuitry within the device.
The charging seat of the traditional household intelligent sweeper adopts the exposed metal pole piece to conduct electricity when being contacted with the exposed metal pole piece of the host machine so as to supplement and charge the electric energy of the host machine, and only the metal pole pieces of the sweeper with different models are different in position but not high above the ground, so that the pole pieces are very close to the ground in use, and are easily stuck with stains so that the conductivity of the pole pieces is poor or even the pole pieces cannot be contacted and conducted. The exposed metal pole piece is also easily oxidized and cannot conduct electricity under the influence of the environment, so that the working reliability is poor. The exposed metal sheet is also a potential safety hazard of electric shock.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defect that prior art exists, provide kinds of wireless charging system of machine of sweeping the floor.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
kind of wireless charging system of machine of sweeping floor, including mobile host computer and the seat of recharging, it is equipped with a plurality of groups magnetic induction transmitting coil on the seat to recharge for the conversion and the transmission of electromagnetism, be equipped with on the mobile host computer the corresponding magnetic induction receiving coil of magnetic induction transmitting coil is used for receiving and coming from magnetic induction transmitting coil's magnetoelectric conversion, magnetic induction transmitting coil with magnetic induction receiving coil gives through the resonance the mobile host computer charges.
, the recharging base comprises a power input control end and a wireless transmitting circuit, wherein the end of the wireless transmitting circuit is connected with the power input control end, the end of the wireless transmitting circuit is connected with the magnetic induction transmitting coil, and the wireless transmitting circuit is used for pushing the magnetic induction transmitting coil to transmit electromagnetic waves.
The technical scheme of is that the wireless transmitting circuit comprises a control chip U2, an excitation chip U4, an excitation chip U7, a drive chip Q2 and a drive chip Q3, the control chip U2 is used for generating a transmitting signal and performing PWM shaping, the excitation chip U4 and the excitation chip U7 are used for transmitting pulses, the drive chip Q2 and the drive chip Q3 are used for transmitting coils, 10 pins of the control chip U2 are connected with the excitation chip U7, 11 pins of the control chip U2 are connected with the excitation chip U4, 7 pins of the excitation chip U4 are connected with the drive chip Q2, and 8 pins of the excitation chip U7 are connected with the drive chip Q3.
, the driving chip Q3 comprises resonant coupling capacitors C10, C11 and C12 for transmitting alternating current signals, wherein the C10, the C11 and the C12 are connected in parallel, the end after the parallel connection is connected with the port D1 of the driving chip Q3, and the other end after the parallel connection is connected with the end of the magnetic induction transmitting coil.
, the mobile host comprises a wireless receiving circuit, a battery charging control circuit, a battery and an induction power output end, wherein the wireless receiving circuit end is connected with the magnetic induction receiving coil, the other end is connected with the battery charging control circuit, the wireless receiving circuit is connected with the induction power output end, the battery charging control circuit end is connected with the battery, and the other end is connected with the induction power output end.
The technical scheme includes that the wireless receiving circuit comprises a control chip U, a rectifying bridge arm Q, a capacitor C, a diode D and a diode D, wherein ends of the C, the C and the C are all grounded, the other ends of the C, the rectifying bridge arm Q and the Q are connected with the positive electrode of the induction power supply output end, sources of the rectifying bridge arm Q, the Q and the Q are all grounded, a second end of the capacitor C is connected with the magnetic induction receiving coil and used for generating resonance, a second end of the capacitor C is connected with the positive electrode of the diode D, a grid of the rectifying bridge arm Q is connected with a resistor R, a grid of the rectifying bridge arm Q is connected with the drain electrode of the rectifying bridge arm Q, a drain electrode of the rectifying bridge arm Q is connected with the positive electrode of the diode D, a grid of the rectifying bridge arm Q is connected with the second end of the capacitor C, and the negative electrode of the diode D are connected with the positive electrode of the diode.
, the negative pole of the diode D10 is connected with the positive pole of the output end of the induction power supply, and a capacitor C61 is arranged between the diode D10 and the battery charging control circuit.
The technical scheme of the battery charging control circuit further is that the battery charging control circuit comprises a control chip U11, a field effect transistor Q8, a triode Q10, an inductor L1, diodes D4 and D5, the drain of the field effect transistor Q8 is connected with the th end of the inductor L1, the second end of the inductor L1 is connected with the anode of the diode D5, the source of the field effect transistor Q8 is connected with the collector of the triode Q10, the emitter end of the triode Q10 is connected with the gate of the field effect transistor Q8, the other end is connected with the anode of the diode D4, the cathode of the diode D4 is connected with the base of the triode Q10, and the cathode of the diode D4 is connected with the 4 pins of the control chip U11.
The utility model has the advantages of compared with the prior art, the utility model discloses kind of quick-witted wireless charging system of sweeping floor realizes the transport transmission of electric energy through the resonance of magnetism sense transmitting coil and magnetism sense receiving coil, the electromagnetic induction mode transmission electric energy of adoption, mobile host computer and all do not have the outer naked metal sheet of installation on recharging the seat.
The invention is described in further with reference to the figures and the embodiments.
Drawings
Fig. 1 is a circuit block diagram of kinds of sweeper wireless charging systems of the present invention;
fig. 2 is a structural diagram of the wireless charging system of floor sweeping machines of the present invention;
fig. 3 is a circuit diagram of kinds of wireless transmitting circuits according to the present invention;
fig. 4 is a circuit diagram of kinds of wireless receiving circuits according to the present invention;
fig. 5 is a circuit diagram of kinds of battery charging control circuits according to the present invention.
Reference numerals
10 recharge seat 11 magnetic induction transmitting coil
12 wireless transmitting circuit 13 power supply input control terminal
20 mobile host 21 magnetic induction receiving coil
22 wireless receiving circuit 23 battery charging control circuit
24 battery 25 inductive power supply output
Detailed Description
In order to more fully understand the technical content of the present invention, the technical solution of the present invention will be further described and illustrated in with reference to the specific embodiments, but not limited thereto.
As shown in fig. 1 to 5, wireless charging systems for sweeper comprise a mobile host 20 and a recharging base 10, wherein the recharging base 10 is provided with a plurality of sets of magnetic induction transmitting coils 11 for electromagnetic conversion and transmission, the mobile host 20 is provided with magnetic induction receiving coils 21 corresponding to the magnetic induction transmitting coils 11 for receiving the magnetic electric conversion from the magnetic induction transmitting coils 11, and the magnetic induction transmitting coils 11 and the magnetic induction receiving coils 21 charge the mobile host 20 through resonance.
Specifically, as shown in fig. 1 to fig. 2, the recharging base 10 includes a power input control terminal 13 and a wireless transmitting circuit 12, wherein a terminal of the wireless transmitting circuit 12 is connected to the power input control terminal 13, a terminal is connected to the magnetic induction transmitting coil 11, and the wireless transmitting circuit 12 is used for driving the magnetic induction transmitting coil 11 to transmit electromagnetic waves.
Specifically, as shown in fig. 1 to 3, the wireless transmitting circuit 12 includes a control chip U2, an excitation chip U4, an excitation chip U7, a driving chip Q2 and a driving chip Q3, the control chip U2 is used for generating a transmitting signal and performing PWM shaping, the excitation chip U4 and the excitation chip U7 are used for transmitting pulses, the driving chip Q2 and the driving chip Q3 are used for transmitting coils, 10 pins of the control chip U2 are connected to the excitation chip U7, 11 pins of the control chip U2 are connected to the excitation chip U4, 7 pins of the excitation chip U4 are connected to the driving chip Q2, and 8 pins of the excitation chip U7 are connected to the driving chip Q3.
Specifically, as shown in fig. 3, the driving chip Q3 includes resonant coupling capacitors C10, C11 and C12 for transmitting ac signals, the three of C10, C11 and C12 are connected in parallel, the end after parallel connection is connected to the port D1 of the driving chip Q3, and the other end after parallel connection is connected to the end of the magnetic induction transmitting coil.
Specifically, as shown in fig. 1 to 3, when the recharging stand 10 is powered on, the orientation transmitting signal inside the recharging stand 10 transmits a guiding signal for guiding the mobile host 20 to automatically recharge, and at the same time, the U2 generates a wirelessly transmitted PWM control signal, which is transmitted to the second pins of the U4 and the U7 through the pins 10 and 11 of the U2 for amplification, and then the signal is output to the pins 7 and 8 of the U4 and the U7 to the Q2 and the Q3 for pushing the wirelessly transmitted magnetic induction coil to transmit electromagnetic waves.
Specifically, as shown in fig. 1 and 4, the mobile host 20 includes a wireless receiving circuit 22, a battery charging control circuit 23, a battery 24 and an inductive power output 25, wherein a terminal of the wireless receiving circuit 22 is connected to the magnetic induction receiving coil 21, a terminal is connected to the battery charging control circuit 23, the wireless receiving circuit 22 is connected to the inductive power output 25, a terminal of the battery charging control circuit 23 is connected to the battery 24, and a terminal is connected to the inductive power output 25.
Specifically, as shown in fig. 1 and 4, the magnetic induction receiving coil 21 is used for receiving external wireless transmission electromagnetic waves, when the host works to a low power, the mobile host 20 is controlled to move through the internal battery charging control circuit 23, so that the machine enters into an automatic recharging mode, the mobile host 20 will slowly approach the recharging seat 10 according to the guiding signal of the recharging seat 10, and when the host moves to the wireless transmission coverage area of the recharging seat 10, the mobile host resonates with the transmitting coil inside the recharging seat 10, transmits electric energy to the host charging control circuit, and charges the battery 24.
Specifically, as shown in fig. 1 and 4, the wireless receiving circuit 22 includes a control chip U, rectifying bridge arms Q, and Q, capacitors C, and C, diodes D, and D, wherein ends of C, and C are all grounded, and other ends are connected to the positive electrode of the output end of the induction power supply, sources of the rectifying bridge arms Q, and Q are all grounded, a first end of the capacitor C is connected to the magnetic induction receiving coil 21 for generating resonance, a second end of the capacitor C is connected to the positive electrode of the diode D, a gate of the rectifying bridge arm Q is connected to the resistor R, a drain of the rectifying bridge arm Q is connected to the second end of the capacitor C, a second end of the capacitor C is connected to the positive electrode of the diode D, a gate of the rectifying bridge arm Q is connected to the negative electrode of the diode D, a gate of the rectifying bridge arm Q is connected to the resistor R, a drain of the rectifying bridge arm Q is connected to the second end of the capacitor C, a gate of the rectifying bridge arm Q is connected to the positive electrode of the diode D, a drain of the rectifying bridge arm Q is connected to the positive electrode of the diode D, and a drain of the diode D are connected.
Specifically, as shown in fig. 4, a capacitor C61 is provided between the cathode of the diode D10 and the anode of the inductive power supply output terminal 25 and the battery charging control circuit 23.
Specifically, as shown in fig. 1 and 4, when the host enters the automatic recharging mode, the host moves according to the direction guiding signal of the recharging seat 10, when the host machine is guided by the signal of the recharging seat 10 to slowly move to the front and the back of the recharging seat 10, the wireless receiving magnetic induction coil at the top in front of the host machine is close to the wireless transmitting magnetic induction coil in the recharging seat 10, the wireless receiving magnetic induction coil of the host machine and the C33 in the circuit generate resonance with the transmitting coil of the recharging seat 10, the electromagnetic conversion is carried out through the internal circuit of the host machine, the wireless electromagnetic wave is converted into electric energy, the switch of four rectifying bridge arms of Q6, Q13, Q14 and Q15 in the circuit is driven to rectify alternating current signals through the wireless receiving control signal generated by U10 in the host machine, and the stable direct current power is transmitted to a host charging control circuit at the later stage through C42, C62, C63 and C64 filtering in the circuit.
Specifically, as shown in fig. 1 and 5, the battery charging control circuit 23 includes a control chip U11, a fet Q8, a transistor Q10, an inductor L1, and diodes D4 and D5, wherein a drain of the fet Q8 is connected to a th end of the inductor L1, a second end of the inductor L1 is connected to an anode of the diode D5, a source of the fet Q8 is connected to a collector of the transistor Q10, an emitter end of the transistor Q10 is connected to a gate of the fet Q8, another end is connected to an anode of the diode D4, a cathode of the diode D4 is connected to a base of the transistor Q10, and a cathode of the diode D4 is connected to a 4-pin of the control chip U11.
Specifically, as shown in fig. 1 and 5, an electric signal of the wireless induction is subjected to rectification filtering after being subjected to magnetic-electric conversion by the wireless receiving circuit 22, an obtained stable direct-current power supply is output to a pin 3 of a U11 and a source electrode of a field-effect transistor Q8 in the charging control circuit, a charging switch pulse generated inside the U11 is output through a pin 4, switching of Q8 and Q10 in the control circuit, and follow currents of L1 and D5 are used for controlling the wireless input power supply to supplement electric energy to the rear-stage battery pack.
Specifically, as shown in fig. 1 to 5, since the electromagnetic induction mode is adopted to transmit electric energy, no metal pole piece is mounted on the host machine and the recharging seat 10. The charging can be completed as long as the host machine is close to the recharging seat 10. Because the host computer and the recharging seat 10 do not need an external naked metal pole piece, the potential safety hazard of naked metal to electric shock of people and animals is completely and effectively solved. Because there is no exposed metal, the poor conductive contact caused by the oxidation of the exposed metal is completely solved, thereby solving the reliability of the work.
Specifically, as shown in fig. 1 to 5, the wireless charging system of the sweeper is also suitable for the transmission of electric energy through the coupling of the transmitting coil and the receiving coil at any position of the host and the recharging base 10. The wireless transmitting coil and the receiving coil are also suitable for resonant coupling transmission of electric energy in various shapes of the wireless transmitting coil and the receiving coil which are automatically recharged in the sweeper.
A wireless charging method for sweeper, based on any the wireless charging system for sweeper, comprising the steps of:
when the electric quantity of the battery 24 is lower than a set value, the mobile host 20 enters an automatic recharging mode, and the mobile host 20 moves;
the mobile host 20 slowly approaches the recharging seat 10 according to the guiding signal of the recharging seat 10;
when the mobile host 20 moves to the wireless transmission coverage area of the recharging seat 10, the mobile host resonates with the transmitting coil inside the recharging seat 10, and electric energy is transferred to the charging control circuit of the mobile host 20 to charge the battery 24.
Specifically, the movement of the mobile host 20 is controlled by a host CPU circuit and a left and right wheel driving circuit provided in the wireless charging system of the sweeper.
To sum up, the utility model discloses kind of quick-witted wireless charging system of sweeping floor realizes the transport transmission of electric energy through the resonance that magnetic induction transmitting coil and magnetic induction receiving coil, and the electromagnetic induction mode transmission electric energy of adoption, mobile host computer and fill the seat with returning and all do not have the outer naked metal sheet of installation, as long as the host computer is close to and fills the seat and just can accomplish charging, because mobile host computer and the seat of filling with returning do not all need outer naked metal sheet, the effectual exposed metal of having solved is to the potential safety hazard of electrocution of people and animals owing to there is not exposed metal, has solved because of the conductive contact who exposes the oxidation of metal and arouses bad to solve the reliability of work.
The technical content of the present invention is further illustrated by way of example only, so as to facilitate the understanding of the reader, but it does not represent that the embodiments of the present invention are limited thereto, and any technical extension or re-creation according to the present invention is protected by the present invention.
Claims (8)
- The wireless charging system of kinds of street sweeper, its characterized in that, including the mobile host computer with return and fill the seat, it is equipped with a plurality of groups magnetic induction transmitting coil to return to fill on the seat for the conversion and the transmission of electromagnetism, be equipped with on the mobile host computer the corresponding magnetic induction receiving coil of magnetic induction transmitting coil is used for receiving and coming from magnetic induction transmitting coil's magnetoelectric conversion, magnetic induction transmitting coil with magnetic induction receiving coil gives through the resonance the mobile host computer charges.
- 2. The wireless charging system for sweeper according to claim 1, wherein the recharging base includes a power input control terminal and a wireless transmitting circuit, the wireless transmitting circuit is connected to the power input control terminal, the is connected to the magnetic induction transmitting coil, and the wireless transmitting circuit is used to push the magnetic induction transmitting coil to transmit electromagnetic waves.
- 3. The wireless sweeper charging system of claim 2, wherein the wireless transmitter circuit comprises a control chip U2, an excitation chip U4, an excitation chip U7, a driving chip Q2 and a driving chip Q3, the control chip U2 is used for generating a transmission signal and performing PWM shaping, the excitation chip U4 and the excitation chip U7 are used for transmitting pulses, the driving chip Q2 and the driving chip Q3 are used for transmitting coils, 10 pins of the control chip U2 are connected with the excitation chip U7, 11 pins of the control chip U2 are connected with the excitation chip U4, 7 pins of the excitation chip U4 are connected with the driving chip Q2, and 8 pins of the excitation chip U7 are connected with the driving chip Q3.
- 4. The wireless charging system for sweeper according to claim 3, wherein the driving chip Q3 includes resonant coupling capacitors C10, C11 and C12 for transmitting AC signals, the three capacitors C10, C11 and C12 are connected in parallel, the end after parallel connection is connected to the D1 port of the driving chip Q3, and the other end after parallel connection is connected to the end of the magnetic induction transmitting coil.
- 5. The kinds of sweeper wireless charging systems of claim 1, wherein the mobile host comprises a wireless receiving circuit, a battery charging control circuit, a battery and an inductive power output terminal, the wireless receiving circuit is connected to the magnetic induction receiving coil, the other is connected to the battery charging control circuit, the wireless receiving circuit is connected to the inductive power output terminal, the battery charging control circuit is connected to the battery, and the other is connected to the inductive power output terminal.
- 6. The wireless charging system of the seed sweeper of claim 5, wherein the wireless receiving circuit comprises a control chip U, a rectifying bridge arm Q, a rectifying diode D and a rectifying diode D, wherein ends of the rectifying diode D, the rectifying diode D and the rectifying diode D are all grounded, the other ends of the rectifying diode D and the rectifying diode D are connected with the positive electrode of the induction power output end, sources of the rectifying bridge arm Q, the rectifying diode Q and the rectifying diode Q are all grounded, the second end of the capacitor C is connected with the magnetic induction receiving coil and used for generating resonance, the second end of the capacitor C is connected with the positive electrode of the diode D, the grid electrode of the rectifying bridge arm Q is connected with a resistor R, the drain electrode of the rectifying bridge arm Q is connected with the second end of the capacitor C, the grid electrode of the rectifying bridge arm Q is connected with the negative electrode of the diode D, the drain electrode of the rectifying bridge arm Q is connected with the positive electrode of the capacitor C, the drain electrode of the rectifying bridge arm Q is connected with the positive electrode of the diode D, and the drain electrode of the rectifying diode D is connected with the diode D.
- 7. The wireless sweeper charging system according to claim 6, wherein a capacitor C61 is provided between the diode D10 cathode connected to the positive terminal of the inductive power supply output and the battery charging control circuit.
- 8. The wireless sweeper charging system according to claim 5, wherein the battery charging control circuit includes a control chip U11, a field effect transistor Q8, a transistor Q10, an inductor L1, and diodes D4 and D5, the drain of the transistor Q8 is connected to the th terminal of the inductor L1, the second terminal of the inductor L1 is connected to the anode of the diode D5, the source of the transistor Q8 is connected to the collector of the transistor Q10, the emitter of the transistor Q10 is connected to the gate of the transistor Q8, the other terminal is connected to the anode of the diode D4, the cathode of the diode D4 is connected to the base of the transistor Q10, and the cathode of the diode D4 is connected to the 4-pin of the control chip U11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920534198.XU CN209996212U (en) | 2019-04-18 | 2019-04-18 | wireless charging system of sweeper |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920534198.XU CN209996212U (en) | 2019-04-18 | 2019-04-18 | wireless charging system of sweeper |
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| CN209996212U true CN209996212U (en) | 2020-01-31 |
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| CN201920534198.XU Active CN209996212U (en) | 2019-04-18 | 2019-04-18 | wireless charging system of sweeper |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109924928A (en) * | 2019-04-18 | 2019-06-25 | 东莞福兆通电子有限公司 | A kind of sweeper wireless charging system and charging method |
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2019
- 2019-04-18 CN CN201920534198.XU patent/CN209996212U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109924928A (en) * | 2019-04-18 | 2019-06-25 | 东莞福兆通电子有限公司 | A kind of sweeper wireless charging system and charging method |
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