CN206547014U - Intelligent radio charging circuit, intelligent radio charging device - Google Patents
Intelligent radio charging circuit, intelligent radio charging device Download PDFInfo
- Publication number
- CN206547014U CN206547014U CN201720182389.5U CN201720182389U CN206547014U CN 206547014 U CN206547014 U CN 206547014U CN 201720182389 U CN201720182389 U CN 201720182389U CN 206547014 U CN206547014 U CN 206547014U
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- circuit
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- wireless charging
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- 238000001914 filtration Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
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- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of intelligent radio charging circuit and intelligent radio charging device, wherein, the intelligent radio charging circuit, including emission part and at least one acceptance division, emission part includes switching circuitry, control circuit, transmitting coil；Acceptance division includes receiving coil and detection circuit；Wherein, circuit is detected, battery electric quantity is detected, information about power is sent to controlling circuit；Circuit is controlled, according to the information about power received, the dutycycle of the pwm signal of controlling switch loop generation；Switching circuitry, according to the power output size of the Duty ratio control transmitting coil of the pwm signal of generation；Transmitting coil, converts electrical energy into electromagnetic energy, concurrent radio magnetic energy；Receiving coil, is coupled to receive the electromagnetic energy of transmitting coil transmitting, is converted into electric energy, is charged for battery.Technical solutions of the utility model realize the intelligent wireless charging to battery, protect and also cause that the charging of electric tool is more convenient while battery.
Description
Technical Field
The utility model relates to a wireless charging technology field, in particular to wireless charging circuit of intelligence and wireless charging device of intelligence.
Background
With the development and progress of battery technology, more and more devices are powered by rechargeable batteries, so that the electric tool has the advantages of small pollution, portability, safety and the like. The charging of the conventional electric power tools is performed by wire one-to-one charging, and the charging must be manually controlled at the start of charging. The battery of the electric tool is charged only when the battery is dead, which easily causes the influence on the normal use of the electric tool because the battery is dead, and the battery is charged after the electric tool is used up each time, which can cause the increase of the charging times of the battery and the overcharge of the battery, thereby shortening the service life of the battery and causing the waste of resources.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can the automatic charging of intelligent control battery, and carry out wireless charging's charging circuit for a plurality of batteries simultaneously.
In order to achieve the above object, the present invention provides an intelligent wireless charging circuit, which includes a transmitting part and at least one receiving part, wherein the transmitting part includes a switch loop, a control circuit and a transmitting coil, and the receiving part includes a receiving coil and a detecting circuit; wherein,
the detection circuit detects the electric quantity of the battery and sends electric quantity information to the control circuit;
the control circuit controls the duty ratio of the PWM signal generated by the switch loop according to the received electric quantity information;
the switch loop controls the output power of the transmitting coil according to the duty ratio of the generated PWM signal;
the transmitting coil converts the electric energy into electromagnetic energy and transmits the electromagnetic energy;
the receiving coil is coupled to receive the electromagnetic energy transmitted by the transmitting coil and convert the electromagnetic energy into electric energy for charging the battery.
Preferably, the output end of the control circuit is connected with the controlled end of the switch circuit, the output end of the switch circuit is connected with the input end of the transmitting coil, the output end of the receiving coil is connected with the input end of the detection circuit, the output end of the detection circuit is connected with the battery, and the detection circuit is in communication connection with the control circuit.
Preferably, the switch loop comprises a PWM signal circuit and a driving circuit; the input end of the PWM signal circuit is connected with the output end of the control circuit, the output end of the PWM signal circuit is connected with the signal input end of the driving circuit, and the output end of the driving circuit is connected with the input end of the transmitting coil; wherein,
the PWM signal circuit receives the control of the control circuit and generates a PWM signal;
the driving circuit drives the PWM signal.
Preferably, the transmitting part further comprises a rectifying and filtering circuit; the output end of the rectification filter circuit is connected with the input end of the driving circuit; and the rectification filter circuit rectifies and filters the commercial power and outputs the commercial power to the drive circuit.
Preferably, when the detection circuit detects that the battery power is lower than a preset value, the control circuit controls the switch loop to turn on the transmitting coil or increase the power of the transmitting coil; when the detection circuit detects that the battery power is higher than a preset value, the control circuit controls the switch loop to disconnect the transmitting coil or reduce the power of the transmitting coil.
Preferably, the intelligent wireless charging circuit comprises a plurality of receiving parts, and the control circuit is in communication connection with a plurality of detection circuits; the detection circuit sends electric quantity information to the control circuit, the control circuit detects the quantity of the received electric quantity information, the duty ratio of a PWM signal generated by the switch loop is controlled, and the power of the transmitting coil is controlled by the switch loop.
Preferably, the intelligent wireless charging circuit further comprises a control button, and an output end of the control button is connected with a trigger end of the detection circuit; the control button generates a trigger signal to the detection circuit, the detection circuit sends charging information to the control circuit, and the control circuit controls the transmitting power of the transmitting coil.
The utility model also provides an intelligent wireless charging device, including the above-mentioned intelligent wireless charging circuit, wherein, this intelligent wireless charging circuit includes transmitting part and at least one receiving part, the transmitting part includes switch circuit, control circuit, transmitting coil; the receiving part comprises a receiving coil and a detection circuit; the detection circuit detects the electric quantity of the battery and sends electric quantity information to the control circuit; the control circuit controls the duty ratio of the PWM signal generated by the switch loop according to the received electric quantity information; the switch loop controls the output power of the transmitting coil according to the duty ratio of the generated PWM signal; the transmitting coil converts the electric energy into electromagnetic energy and transmits the electromagnetic energy; the receiving coil is coupled to receive the electromagnetic energy transmitted by the transmitting coil and convert the electromagnetic energy into electric energy for charging the battery.
The utility model discloses a transmitting part that constitutes by switch circuit, control circuit, transmitting coil and the receiving part that constitutes by receiving coil, detection circuitry has constituted an intelligent wireless charging circuit. The battery power is detected by the detection circuit, the PWM signal duty ratio of the switch loop is controlled by the control circuit of the transmitting part, the transmitting power of the transmitting coil is controlled by the switch loop, and the receiving coil receives the power to charge the battery. The utility model discloses technical scheme has realized starting or stopping to the wireless charging of battery according to battery power is automatic, has avoided the damage that the overcharge led to the fact to the battery, has ensured the electric quantity of battery sufficient for electric tool's charging is convenient more, safety.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a functional block diagram of an embodiment of the intelligent wireless charging circuit of the present invention;
fig. 2 is a functional block diagram of another embodiment of the intelligent wireless charging circuit of the present invention.
The reference numbers illustrate:
the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a wireless charging circuit of intelligence.
Referring to fig. 1, the intelligent wireless charging circuit includes a transmitting part 100 and at least one receiving part 200, wherein the transmitting part 100 includes a switching circuit 120, a control circuit 110, and a transmitting coil 130; the receiver 200 includes a receiving coil 210 and a detection circuit 220; the detection circuit 220 detects the power of the battery 230 and sends power information to the control circuit 110; the control circuit 110 controls the duty ratio of the PWM signal generated by the switching circuit 120 according to the received power information; the switching circuit 120 controls the output power of the transmitting coil 130 according to the duty ratio of the generated PWM signal; the transmitting coil 130 converts the electric energy into electromagnetic energy and transmits the electromagnetic energy; the receiving coil 210 is coupled to receive the electromagnetic energy emitted by the transmitting coil 130, and convert the electromagnetic energy into electric energy for charging the battery 230.
It should be noted that the power tool is provided with a wireless charging receiving portion 200, the power tool is placed on a tool box or a cargo table of the transmitting portion 100, and when the battery 230 of a receiving portion has a lower power than a preset lower power, the detection circuit 220 transmits power information to the control circuit 110. The control circuit 110 checks the information of the electric quantity sent by the detection circuit 220, determines the number of receiving units to be charged by the battery 230, and controls the transmitting power corresponding to the transmitting coil 130 through the switch circuit 120 to satisfy the energy required by charging the battery 230. When the battery 230 of a receiver 100 is charged above a predetermined upper limit, the battery 230 is fully charged, and the control circuit 110 reduces the transmitting power of the transmitting coil 130 through the switch circuit 120, or turns off the transmitting coil 130 (when no battery is needed for charging).
The utility model discloses a transmitting part 100 that comprises switch circuit 120, control circuit 110, transmitting coil 130 and the receiving part 200 that comprises receiving coil 210, detection circuitry 220 have constituted the wireless charging circuit of intelligence. The detection circuit 220 detects the power of the battery 230, and the control circuit 110 of the transmitter 100 controls the switching of the switching circuit 120, thereby controlling the transmission power of the transmitting coil 130. The utility model discloses technical scheme has realized charging to the wireless intelligence of battery, has also made charging of electric tool more convenient when having protected the battery.
Specifically, the output end of the control circuit 110 is connected to the controlled end of the switch circuit 120, the output end of the switch circuit 120 is connected to the input end of the transmitting coil 130, the output end of the receiving coil 210 is connected to the input end of the detecting circuit 220, the output end of the detecting circuit 220 is connected to the battery 230, and the detecting circuit 220 is communicatively connected to the control circuit 110.
It should be noted that, in this embodiment, the detection circuit 220 sends the power information to the control circuit 110 through wireless transmission.
Specifically, the switching circuit 120 includes a PWM signal circuit 121 and a driving circuit 122; the input end of the PWM signal circuit 121 is connected to the output end of the control circuit 110, the output end of the PWM signal circuit 121 is connected to the signal input end of the driving circuit 122, and the output end of the driving circuit 122 is connected to the input end of the transmitting coil 130; wherein,
the PWM signal circuit 121, which receives the control of the control circuit 110 and generates a PWM signal;
the driving circuit 122 drives the PWM signal.
The control circuit 110 controls the duty ratio of the PWM signal generated by the PWM signal circuit 121, thereby controlling the transmission power of the transmitting coil 130.
Specifically, the transmitting section further includes a rectifying and filtering circuit 140; the output end of the rectifying and filtering circuit 140 is connected with the input end of the driving circuit 122; the rectifying and filtering circuit 140 rectifies and filters the commercial power and outputs the rectified and filtered commercial power to the driving circuit 122.
It should be noted that, in the present practical novel embodiment, the input end of the rectifying and filtering circuit 140 is connected to the commercial power to perform rectifying and filtering on the commercial power.
Specifically, when the detection circuit 220 detects that the power level of the battery 230 is lower than a preset value, the control circuit 110 controls the switch circuit 120 to turn on the transmitting coil 130 or increase the power of the transmitting coil 130; when the detection circuit 220 detects that the battery 230 has a power higher than a preset value, the control circuit 110 controls the switch circuit 120 to turn off the transmitting coil 130 or reduce the power of the transmitting coil 130.
Specifically, the intelligent wireless charging circuit comprises a plurality of receiving parts 200, and the control circuit 110 is in communication connection with a plurality of detection circuits 220; the detection circuit 220 sends the electric quantity information to the control circuit 110, the control circuit 110 detects the quantity of the received electric quantity information, controls the duty ratio of the PWM signal generated by the switching circuit 120, and controls the power of the transmitting coil 130 by the switching circuit 120.
Specifically, the intelligent wireless charging circuit further includes a control button 240, and an output end of the control button 240 is connected to a trigger end of the detection circuit 220; the control button 240 generates a trigger signal to the detection circuit 220, the detection circuit 220 sends charging information to the control circuit 110, and the control circuit 110 controls the transmitting power of the transmitting coil 130.
It should be noted that, in the embodiment of the present invention, the control button 240 may also control the transmitting portion 100 to charge the battery 230. When the control button 240 is pressed, the detection circuit 220 sends a charging signal to the control circuit 110, so as to charge the battery 230. By arranging the control button 240, the charging of the battery 230 is controlled in various ways, and the flexibility of the circuit is increased.
The utility model also provides an intelligence wireless charging device, this intelligence wireless charging device include as above intelligence wireless charging circuit, this intelligence wireless charging circuit's concrete structure refers to above-mentioned embodiment, because this intelligence wireless charging device has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and it is here no longer repeated.
The utility model discloses a switch circuit 120, control circuit 110, transmitting coil 130, receiving coil 210 and detection circuitry 220 have formed the wireless charging circuit of intelligence. The detection circuit 220 detects the amount of electricity of the battery 230 and sends the information of the amount of electricity to the control circuit 110, and the control circuit 110 controls the power of the transmitting coil 130 according to the amount of electricity of the battery 230 and the number of the charged batteries 230. The wireless intelligent charging of the battery 230 is realized, and the charging of the electric tool is more convenient and faster while the battery 230 is protected.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (8)
1. An intelligent wireless charging circuit is characterized by comprising a transmitting part and at least one receiving part, wherein the transmitting part comprises a switch loop, a control circuit and a transmitting coil, and the receiving part comprises a receiving coil and a detection circuit; wherein,
the detection circuit detects the electric quantity of the battery and sends electric quantity information to the control circuit;
the control circuit controls the duty ratio of the PWM signal generated by the switch loop according to the received electric quantity information;
the switch loop controls the output power of the transmitting coil according to the duty ratio of the generated PWM signal;
the transmitting coil converts the electric energy into electromagnetic energy and transmits the electromagnetic energy;
the receiving coil is coupled to receive the electromagnetic energy transmitted by the transmitting coil and convert the electromagnetic energy into electric energy for charging the battery.
2. The intelligent wireless charging circuit of claim 1, wherein an output of the control circuit is connected to a controlled terminal of the switch circuit, an output of the switch circuit is connected to an input of the transmitter coil, an output of the receiver coil is connected to an input of the detection circuit, an output of the detection circuit is connected to the battery, and the detection circuit is communicatively connected to the control circuit.
3. The intelligent wireless charging circuit of claim 2, wherein the switching loop comprises a PWM signal circuit and a driving circuit; the input end of the PWM signal circuit is connected with the output end of the control circuit, the output end of the PWM signal circuit is connected with the signal input end of the driving circuit, and the output end of the driving circuit is connected with the input end of the transmitting coil; wherein,
the PWM signal circuit receives the control of the control circuit and generates a PWM signal;
the driving circuit drives the PWM signal.
4. The intelligent wireless charging circuit of claim 3, wherein the transmitting portion further comprises a rectifying and filtering circuit; the output end of the rectification filter circuit is connected with the input end of the driving circuit; and the rectification filter circuit rectifies and filters the commercial power and outputs the commercial power to the drive circuit.
5. The intelligent wireless charging circuit according to any one of claims 1 to 4, wherein when the detection circuit detects that the battery charge is lower than a preset value, the control circuit controls the switch circuit to turn on the transmitting coil or increase the power of the transmitting coil; when the detection circuit detects that the battery power is higher than a preset value, the control circuit controls the switch loop to disconnect the transmitting coil or reduce the power of the transmitting coil.
6. The intelligent wireless charging circuit of claim 5, wherein the intelligent wireless charging circuit comprises a plurality of receivers, the control circuit being communicatively coupled to each of the plurality of detection circuits; the detection circuit sends electric quantity information to the control circuit, the control circuit detects the quantity of the received electric quantity information, the duty ratio of a PWM signal generated by the switch loop is controlled, and the power of the transmitting coil is controlled by the switch loop.
7. The intelligent wireless charging circuit of claim 4, further comprising a control button, wherein the control button output is connected to the trigger terminal of the detection circuit; the control button generates a trigger signal to the detection circuit, the detection circuit sends charging information to the control circuit, and the control circuit controls the transmitting power of the transmitting coil.
8. An intelligent wireless charging device, comprising the intelligent wireless charging circuit according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720182389.5U CN206547014U (en) | 2017-02-27 | 2017-02-27 | Intelligent radio charging circuit, intelligent radio charging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720182389.5U CN206547014U (en) | 2017-02-27 | 2017-02-27 | Intelligent radio charging circuit, intelligent radio charging device |
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| Publication Number | Publication Date |
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| CN206547014U true CN206547014U (en) | 2017-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720182389.5U Active CN206547014U (en) | 2017-02-27 | 2017-02-27 | Intelligent radio charging circuit, intelligent radio charging device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106712215A (en) * | 2017-02-27 | 2017-05-24 | 中惠创智（深圳）无线供电技术有限公司 | Intelligent wireless charging circuit, intelligent wireless charging device and wireless charging method |
| CN107959353A (en) * | 2017-11-14 | 2018-04-24 | 维沃移动通信有限公司 | A kind of wireless charging device and method |
| CN110611511A (en) * | 2018-06-15 | 2019-12-24 | 中惠创智（深圳）无线供电技术有限公司 | Transmitter, receiver and wireless charging system |
-
2017
- 2017-02-27 CN CN201720182389.5U patent/CN206547014U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106712215A (en) * | 2017-02-27 | 2017-05-24 | 中惠创智（深圳）无线供电技术有限公司 | Intelligent wireless charging circuit, intelligent wireless charging device and wireless charging method |
| CN107959353A (en) * | 2017-11-14 | 2018-04-24 | 维沃移动通信有限公司 | A kind of wireless charging device and method |
| CN107959353B (en) * | 2017-11-14 | 2019-11-19 | 维沃移动通信有限公司 | A kind of wireless charging device and method |
| CN110611511A (en) * | 2018-06-15 | 2019-12-24 | 中惠创智（深圳）无线供电技术有限公司 | Transmitter, receiver and wireless charging system |
| CN110611511B (en) * | 2018-06-15 | 2024-04-19 | 珠海市瀚向科技有限公司 | Transmitter, receiver and wireless charging system |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200108 Address after: Room 134-135, No.1 Park, overseas students (Longgang) Pioneer Park, Longcheng street, Longgang District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN ZONECHARGE INNOVATION TECHNOLOGY Co.,Ltd. Address before: 518116 B block 4, Tian An Digital City, Longcheng street, Longgang District, Shenzhen, Guangdong, 603-604 Patentee before: ZONECHARGE (SHENZHEN) WIRELESS POWER TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CP03 | Change of name, title or address |
Address after: 518000 overseas students (Longgang) entrepreneurship Park, Longcheng Industrial Park, huanggekeng community, Longcheng street, Longgang District, Shenzhen, Guangdong 241 Patentee after: Zhonghuixiangdian (Shenzhen) Technology Co.,Ltd. Address before: 518000 room 134-135, No.1 Pioneer Park for overseas Chinese (Longgang), Longcheng street, Longgang District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN ZONECHARGE INNOVATION TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220928 Address after: 518000 room 133-134, No.1 International Students (Longgang) Pioneer Park, Longcheng street, Longgang District, Shenzhen City, Guangdong Province Patentee after: ZONECHARGE (SHENZHEN) WIRELESS POWER TECHNOLOGY Co.,Ltd. Address before: 518000 overseas students (Longgang) entrepreneurship Park, Longcheng Industrial Park, huanggekeng community, Longcheng street, Longgang District, Shenzhen, Guangdong 241 Patentee before: Zhonghuixiangdian (Shenzhen) Technology Co.,Ltd. |
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| TR01 | Transfer of patent right |