CN109149731A - A kind of wireless charging circuit for lamp controller - Google Patents
A kind of wireless charging circuit for lamp controller Download PDFInfo
- Publication number
- CN109149731A CN109149731A CN201710465308.7A CN201710465308A CN109149731A CN 109149731 A CN109149731 A CN 109149731A CN 201710465308 A CN201710465308 A CN 201710465308A CN 109149731 A CN109149731 A CN 109149731A
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- Prior art keywords
- circuit
- controller
- transmitting terminal
- energy
- receiving end
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- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 230000002159 abnormal effect Effects 0.000 claims abstract description 10
- 238000004891 communication Methods 0.000 claims abstract description 10
- 229910001416 lithium ion Inorganic materials 0.000 claims abstract description 7
- 238000001914 filtration Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000003909 pattern recognition Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Classifications
-
- H02J7/025—
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention relates to a kind of wireless charging circuit for lamp controllers, including transmitting terminal and receiving end, carry out energy transmission by detachably coupled coil between the transmitting terminal and receiving end；The transmitting terminal includes controller and current rectifying and wave filtering circuit connected to the controller, transmit circuit, the rectified filter circuit of alternating current rectified, filter after be transferred to transmit circuit, transmit circuit converts electrical energy into magnetic field energy by primary coil and is transmitted to secondary coil, secondary coil receives magnetic field energy and received circuit is converted into electric energy, it is Li-ion batteries piles charging by charge management circuit, the charge management circuit is connect with controller；The present invention can monitor charging process in real time, when there are abnormal conditions, carry out information transmission by communication module in time, inform that controller stops charging in time, avoid causing danger.
Description
Technical field
The present invention relates to wireless charging device field, specifically a kind of wireless charging circuit for lamp controller.
Background technique
Non-contact energy transmission system (Contactless Energy Transmission System abbreviation CETS) is
It is a kind of by electromagnetic induction coupling principle to load transmission electric energy system, it using modern power electronic energy conversion technology,
Electromagnetic induction principle realizes the biography of non-contact electric energy by modern control theory and DSP control technology with magnetic field coupling technology
It is defeated, further widen the application category of electrical equipment.Non-contact energy transmission since its reliability, safety, flexibility are high,
The features such as safeguarding without circuit connection, can be realized complete air-tightness, waterproofness and unattended, all has extensively in every field
Wealthy development prospect, the wireless charging system risen at present are a typical case of non-contact energy transmission application.
Now with the wide hair application of wireless charging mode, wireless charging is gradually applied in various portable equipments, such as
In wireless charging desk lamp, mobile terminal such as mobile phone, tablet computer, since above equipment uses lithium ion battery as electricity mostly
Source, and lithium ion power supply in charge and discharge process if there is overcharge, overdischarge, the situations such as short circuit, it will occur battery futures,
The danger such as explosion.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of wireless charging circuit for lamp controllers, to solve the prior art
Present in defect.
The technical scheme to solve the above technical problems is that
A kind of wireless charging circuit for lamp controller, including transmitting terminal (1) and receiving end (2), the transmitting terminal (1) and reception
It holds and energy transmission is carried out by detachably coupled coil between (2)；The transmitting terminal includes controller and connect with controller
Current rectifying and wave filtering circuit, transmit circuit, the rectified filter circuit of alternating current rectified, filter after be transferred to transmit circuit, send out
Transmit-receive radio road converts electrical energy into magnetic field energy by primary coil and is transmitted to secondary coil, and secondary coil receives magnetic field energy and through connecing
It receives circuit and is converted into electric energy, be Li-ion batteries piles charging, the charge management circuit and controller by charge management circuit
Connection.
Further, the controller in the transmitting terminal (1) and receiving end (2) is connected with communication module, works as receiving end
(2) when charging, if the controller discovery battery in receiving end (2) is abnormal, abnormal conditions transmission is carried out by communication module,
Abnormal conditions stop charging in time transmitting terminal (1) controller based on the received；
Further, the controller model AT89S52；The communication module model nRF2401.
The beneficial effects of the present invention are: judging bottle cap position by pattern recognition device come laser-assisted, help to arrange
Except external interference, and mark precision can be significantly improved, facilitate the speed for further increasing bottle cap transmission device；And bottle cap passes
It send device to be set as two rows of marks simultaneously, improves efficiency；The height adjustment bolt of setting, convenient for adjusting operating platform height,
So that bottle cap transmission device docks more convenient, whole device using flexible, adaptable, energy with the device of extraneous transmission bottle cap
Significantly improve production efficiency.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 show wireless power energy transmitting line figure；
Fig. 3 show wireless power energy acceptance circuit diagram；
Fig. 4 is charge management circuit figure；
In attached drawing, parts list represented by the reference numerals are as follows:
1, transmitting terminal, 2, receiving end.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
As shown in Figure 1, a kind of wireless charging circuit for lamp controller, including transmitting terminal (1) and receiving end (2), the transmission
It holds and energy transmission is carried out by detachably coupled coil between (1) and receiving end (2)；The transmitting terminal include controller and with
Current rectifying and wave filtering circuit, the transmit circuit of controller connection, the rectified filter circuit of alternating current rectified, filter after be transferred to hair
Transmit-receive radio road, transmit circuit convert electrical energy into magnetic field energy by primary coil and are transmitted to secondary coil, and secondary coil receives magnetic
Field energy and received circuit is converted into electric energy is that Li-ion batteries piles charge by charge management circuit, the Charge Management electricity
Road is connect with controller.
Further, the controller in the transmitting terminal (1) and receiving end (2) is connected with communication module, works as receiving end
(2) when charging, if the controller discovery battery in receiving end (2) is abnormal, abnormal conditions transmission is carried out by communication module,
Abnormal conditions stop charging in time transmitting terminal (1) controller based on the received；
Further, the controller model AT89S52；The communication module model nRF2401.
Fig. 2 show wireless power energy transmitting line, using single-chip microcontroller output PWM driving high speed metal-oxide-semiconductor and LC coil
The resonant transform circuit of composition is good to realize wireless energy transmitting line controllability, may be used on high efficiency wireless power supply module and works as
In.
Fig. 3 show wireless power energy acceptance circuit diagram, wireless power energy acceptance circuit coil Lr and Cr composition
LC network receives energy from the high-frequency alternating magnetic field that primary emission circuit generates, and the energy received passes through rectifier bridge and filter
Wave inductance L, filter capacitor C obtain stable DC power supply as lithium ion battery charge power supply, it is desirable that receive frequency and send
Frequency is consistent, therefore the network that the network of Lr and Cr composition will be formed with transmit coil is in resonant state, supplies in this way when wireless
Electric flux receives circuit when being placed in the alternating magnetic field of transmitting coil, receives alternating current in circuit and exchanging in transmitting line
Electric resonance, to reach maximum interrogation energy.Reflected umpedance of the reception circuit in transmitting line under this mode is in resistance
Property, the frequency of oscillation of transmitting line will not be impacted.
Fig. 4 is charge management circuit figure, and the charging voltage of SE9016 is fixed as 4.2V, when cell voltage is lower than 2.9V,
First battery is pre-charged, pre-charge current can be arranged in any range of 5mA to 80mA by non-essential resistance.Work as battery
When voltage reaches 3.1V, SE9016 will be automatically converted to the constant-current charge period, and internal current is set as electric current when precharge
10 times or more, charging current can be set by non-essential resistance.When battery is close to fully saturated about 4.15V or so,
SE9016 will be automatically converted to the charge cycle of constant pressure (CV), at this time charging current will reduce make battery be gradually saturated without
Oversaturated danger.When reaching float charge voltage and charging current drops to the 1/10 of setting electric current, SE9016 is terminated automatically
Charging process.After charging complete, SE9016 will enter close pattern, reduce internal power consumption to less than 25 μ A, equipment not work
Any energy is hardly consumed when making.SE9016 provides temperature protection in piece, when temperature reaches scheduled horizontal and battery face
When facing overheat danger, SE9016, which will reduce charging current, gradually decreases temperature to protect battery.Inside SE9016
MOSFET structure, design charge management circuit are not necessarily to external inductive reactance and external backward dioded.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (3)
1. a kind of wireless charging circuit for lamp controller, it is characterised in that: including transmitting terminal (1) and receiving end (2), the transmitting terminal
(1) energy transmission is carried out by detachably coupled coil between receiving end (2)；The transmitting terminal include controller and with control
Current rectifying and wave filtering circuit, the transmit circuit of device processed connection, the rectified filter circuit of alternating current rectified, filter after be transferred to transmitting
Circuit, transmit circuit convert electrical energy into magnetic field energy by primary coil and are transmitted to secondary coil, and secondary coil receives magnetic field
Can and received circuit be converted into electric energy, by charge management circuit be Li-ion batteries piles charge, the charge management circuit
It is connect with controller.
2. a kind of wireless charging circuit for lamp controller according to claim 1, it is characterised in that: the transmitting terminal (1) and
Controller in receiving end (2) is connected with communication module, when receiving end (2) charging, if the controller in receiving end (2)
It was found that battery is abnormal, then abnormal conditions transmission is carried out by communication module, transmitting terminal (1) controller abnormal conditions based on the received
Stop charging in time.
3. a kind of wireless charging circuit for lamp controller according to claim 2, it is characterised in that: the controller model
AT89S52；The communication module model nRF2401.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710465308.7A CN109149731A (en) | 2017-06-19 | 2017-06-19 | A kind of wireless charging circuit for lamp controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710465308.7A CN109149731A (en) | 2017-06-19 | 2017-06-19 | A kind of wireless charging circuit for lamp controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109149731A true CN109149731A (en) | 2019-01-04 |
Family
ID=64804373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710465308.7A Pending CN109149731A (en) | 2017-06-19 | 2017-06-19 | A kind of wireless charging circuit for lamp controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109149731A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111806259A (en) * | 2020-05-26 | 2020-10-23 | 中国电力科学研究院有限公司 | Wireless charging system and charging protection method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205004845U (en) * | 2015-08-27 | 2016-01-27 | 天津市松正电动汽车技术股份有限公司 | Electric automobile wireless charging device and wireless charging system |
| CN205335947U (en) * | 2016-02-06 | 2016-06-22 | 青岛鲁渝能源科技有限公司 | Charge management system that AGV is wireless |
| CN106100149A (en) * | 2016-08-17 | 2016-11-09 | 青岛鲁渝能源科技有限公司 | Wireless charging system and wireless charging method |
-
2017
- 2017-06-19 CN CN201710465308.7A patent/CN109149731A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205004845U (en) * | 2015-08-27 | 2016-01-27 | 天津市松正电动汽车技术股份有限公司 | Electric automobile wireless charging device and wireless charging system |
| CN205335947U (en) * | 2016-02-06 | 2016-06-22 | 青岛鲁渝能源科技有限公司 | Charge management system that AGV is wireless |
| CN106100149A (en) * | 2016-08-17 | 2016-11-09 | 青岛鲁渝能源科技有限公司 | Wireless charging system and wireless charging method |
Non-Patent Citations (1)
| Title |
|---|
| 胡新福: "非接触式锂离子电池充电电路的设计与实现", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111806259A (en) * | 2020-05-26 | 2020-10-23 | 中国电力科学研究院有限公司 | Wireless charging system and charging protection method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 102204 No. 237, East Second Floor, Liucun Town Industrial Enterprise Corporation, Changping District, Beijing Applicant after: Beijing CHINO Zhi Electric Technology Co., Ltd. Address before: 102204 No. 237, East Second Floor, Liucun Town Industrial Enterprise Corporation, Changping District, Beijing Applicant before: Beijing CHINO Electric Power Engineering Co., Ltd. |
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190104 |