CN103040432B - Wireless charging handheld slit lamp - Google Patents
Wireless charging handheld slit lamp Download PDFInfo
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- CN103040432B CN103040432B CN201210500332.7A CN201210500332A CN103040432B CN 103040432 B CN103040432 B CN 103040432B CN 201210500332 A CN201210500332 A CN 201210500332A CN 103040432 B CN103040432 B CN 103040432B
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Abstract
The invention provides a wireless charging handheld slit lamp. The wireless charging handheld slit lamp comprises a charging base and a slit lamp body, the charging base is provided with a wireless sending device, and a wireless receiving device is arranged inside the slit lamp body. The wireless sending device comprises an alternating current input module, a power supply management module, an energy conversion module, a sending coil, a control module used for controlling work of the energy conversion module, and a level detection module used for detecting circuit current and voltage states. The wireless receiving device comprises a receiving coil, an impedance matching module, a commutating and voltage-stabilizing module, a charging management module and a charging battery connected sequentially. The wireless charging handheld slit lamp is added with a wireless charging function, solves the problems of inconvenience in battery changing after the battery is consumed, high cost and energy waste, and simultaneously overcomes the shortcoming of insecurity caused by adopting wire charging.
Description
Technical field
The present invention relates to a kind of wireless charging hand slit lamp.
Background technology
Hand slit lamp is a kind of Portable ophthalmic optics examination instrument, adopts high-brightness LED as lighting source.
Usually, hand slit lamp is battery-powered.The hand slit lamp of powering due to the detachable battery included needs to carry out dismounting to change battery to hand slit lamp after battery consumption, so not only dismounting is inconvenient, and cost is high, reliable waterproof to be set up around battery cover difficult especially; Market has occurred rechargeable handheld slit lamp, this kind of rechargeable handheld slit lamp arranges a rechargeable battery in inside, and then outer setting has hard contact, and corresponding arranges metal spring leaf on charging base, thus charges the battery; Or directly jack is set on handheld slit lamp, connect the jack other end by charger one end and connect electric socket charging.These modes are reduction of the frequent cost changing battery, but because hard contact exposes or is provided with jack, thus security performance is not high, and because arrange this through hole, make hand slit lamp internal element also must make corresponding amendment thereupon.
Summary of the invention
For above-mentioned deficiency, in order to overcome the inconvenience changing battery, and the problem that the safety of wired charging is not high, the object of this invention is to provide a kind of can the hand slit lamp of wireless charging, adopting wireless charging, having without the need to changing battery, the feature that easy to use and safety is high.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of wireless charging hand slit lamp, it comprises charging base and slit lamp body, described charging base is provided with wireless base station apparatus, described slit lamp body interior is provided with radio receiver, described wireless base station apparatus comprises alternating current input module, power management module, energy conversion module, transmitting coil, for control energy conversion module work control module and for testing circuit electric current, the level detection module of voltage status, described alternating current input module and power management module, energy conversion module and transmitting coil link together, described level detection module is arranged on the input of alternating current input module and the outfan of energy conversion module, be connected with control module, described control module is connected with energy conversion module, described power management module provides power supply for control module, described radio receiver comprises the receiving coil connected successively, impedance matching module, rectifying and voltage-stabilizing module, charge management module is connected successively with rechargeable battery, described transmitting coil is connected by electromagnetic wave induction with receiving coil, described control module comprises the receiving element for incoming level detection module signal, with judging the judging unit of Received signal strength and the driver element for sending output control signal, described alternating current input module is provided with gauge tap.
Described level detection module comprises resonator, filter loop current testing circuit for detecting input current size, for detecting the resonator, filter loop voltage testing circuit of input voltage size and the average anode current testing circuit for detecting output current size.
Described receiving element comprises the first receiving element for receiving resonator, filter current detection circuit detection signal, for receiving the second receiving element of resonator, filter loop voltage testing circuit detection signal and the 3rd receiving element for receiving average anode current testing circuit detection signal.
Described judging unit comprises the first judging unit for judging the first receiver module Received signal strength, for judging the second judging unit of the second receiver module Received signal strength and the 3rd judging unit for judging the 3rd receiver module Received signal strength.
Described control module is connected with alarm module.
Described alarm module comprises display lamp warning circuit and buzzer alarm circuit.
Described gauge tap is inductive switch or pressure switch.
The invention has the beneficial effects as follows the function adding wireless charging, solve the inconvenience of the complete rear replacing battery of battery consumption and the problem of cost height and energy waste, solve the insecurity adopting wired charging to cause simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the circuit theory diagrams of resonator, filter loop current testing circuit of the present invention.
Fig. 3 is the circuit theory diagrams of resonator, filter loop voltage testing circuit of the present invention.
Fig. 4 is the circuit theory diagrams of average anode current testing circuit of the present invention.
Fig. 5 is the circuit theory diagrams of impedance matching module of the present invention.
Fig. 6 is the circuit theory diagrams of display lamp warning circuit of the present invention.
Fig. 7 is the circuit theory diagrams of buzzer alarm circuit of the present invention.
Fig. 8 is the schematic diagram of wireless base station apparatus of the present invention.
Fig. 9 is the schematic diagram of radio receiver of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described further:
With reference to figure 1, Fig. 8 and Fig. 9, the present invention includes charging base 2 and slit lamp body 1, described charging base 2 is provided with wireless base station apparatus, described slit lamp body 1 inside is provided with radio receiver, described wireless base station apparatus comprises alternating current input module 3, power management module 4, energy conversion module 5, transmitting coil 6, for control energy conversion module work control module 7 and for testing circuit electric current, the level detection module 8 of voltage status, described alternating current input module 3 and power management module 4, energy conversion module 5 and transmitting coil 6 link together, described level detection module 8 is arranged on the input of alternating current input module 3 and the outfan of energy conversion module 5, be connected with control module 7, described control module 7 is connected with energy conversion module 5, described power management module 4 provides power supply for control module 7, described radio receiver comprises receiving coil 11, impedance matching module 12, rectifying and voltage-stabilizing module 13, charge management module 14 is connected successively with rechargeable battery 15, described transmitting coil 6 is connected by electromagnetic wave induction with receiving coil 11, described control module 7 comprises the receiving element for incoming level detection module 8 signal, with judging the judging unit of Received signal strength and the driver element for sending output control signal, described alternating current input module 3 is provided with gauge tap, described gauge tap is inductive switch or pressure switch, described control module 7 is provided with alarm module 10, described alarm module 10 comprises display lamp warning circuit and buzzer alarm circuit.
Impedance matching module 12: see Fig. 5, one end of receiving coil 11 successively series inductance L1 is connected with the input of inductance L 2 with rectifying and voltage-stabilizing module 13, the other end of receiving coil 11 is directly connected with the input of rectifying and voltage-stabilizing module 13, and between inductance L 1 with inductance L 2, shunt capacitance C2 is connected with the other end of receiving coil 11.
Display lamp warning circuit: see Fig. 6, the negative pole of control module 7 series resistance R18 connecting luminous diode D2, the positive pole of light emitting diode D2 connects power supply VCC, and between resistance R18 and diode D2, pull-up resistor R6 meets power supply VCC.
Buzzer alarm circuit: see Fig. 7; the base stage of control module 7 series resistance R12 connecting triode Q1; its grounded emitter; its colelctor electrode connects one end of buzzer H1; the other end of buzzer H1 connects power supply VCC; parallel diode D4 between buzzer H1 two ends, plays reverse protection effect, the other end series capacitance C10 ground connection of buzzer H1.
Described level detection module 8 comprises resonator, filter loop current testing circuit 81 for detecting input current size, for detecting the resonator, filter loop voltage testing circuit 82 of input voltage size and the average anode current testing circuit 83 for detecting output current size.
Resonator, filter loop current testing circuit 81: see Fig. 2, input voltage enters the input of transformator T1, the outfan parallel resistance R4 of transformator T1, one end ground connection of its outfan, other end series diode D1, at series resistance R1 successively, resistance R2 connects the positive input terminal of operational amplifier U1A, shunt capacitance C4 successively between diode D1 and resistance R1, resistance R5, electric capacity C5 ground connection, shunt capacitance C3 ground connection between the positive input terminal of operational amplifier U1A and resistance R2, the negative input end of described operational amplifier U1A is connected with outfan, form feedback, the outfan series capacitance C1 of operational amplifier U1A is connected between resistance R1 and resistance R2, the outfan series resistance R3 link control module 7 of operational amplifier U1A.
Resonator, filter loop voltage testing circuit 82: see Fig. 3, input current is through diode D3 successively series resistance R7, resistance R8, the positive input terminal of resistance R9 concatenation operation amplifier, shunt capacitance C7 ground connection between resistance R7 and diode D3, electric capacity C7 strobes to input current, parallel resistance R11 ground connection between resistance R7 and resistance R8, shunt capacitance C8 ground connection between the positive input terminal of resistance R9 and operational amplifier U1B, the negative input end of described operational amplifier U1B is connected with outfan, form feedback, the outfan series capacitance C6 of operational amplifier U1B is connected between resistance R8 and resistance R9, the outfan series resistance R10 link control module 7 of operational amplifier U1B.
Average anode current testing circuit 83: see Fig. 4, parallel resistance R15 between the input of operational amplifier U2A, resistance R16, its positive input termination input voltage, its negative input termination power VCC, the outfan series resistance R13 successively of operational amplifier U2A, resistance R14 is to the positive input terminal of operational amplifier U3A, shunt capacitance C12 ground connection between resistance R14 and operational amplifier U3A, the negative input end of described operational amplifier U3A is connected with outfan, form feedback, the outfan series capacitance C9 of operational amplifier U3A is connected between resistance R13 and resistance R14, the outfan series resistance R17 link control module 7 of operational amplifier U3A.
Described receiver module comprises the first receiving element 75 for receiving resonator, filter current detection circuit 81 detection signal, for receiving the second receiving element 76 of resonator, filter loop voltage testing circuit 82 detection signal and the 3rd receiving element 77 for receiving average anode current testing circuit 83 detection signal.
Described judging unit comprises the first judging unit 72 for judging the first receiver module 75 Received signal strength, for judging the second judging unit 73 of the second receiver module 76 Received signal strength and the 3rd judging unit 74 for judging the 3rd receiver module 77 Received signal strength.
Described wireless base station apparatus is built on charging base 2, and it is inner that described radio receiver is built in slit lamp body 1.
Described alternating current input module 3 comprises gauge tap.Wireless charging hand slit lamp is after the energy content of battery runs out of, and wireless charging handheld slit lamp is inserted on charging base 2, and gauge tap is opened, and wireless base station apparatus and radio receiver are started working, for rechargeable battery 15 charges.After wireless charging handheld slit lamp is taken away, gauge tap cuts out.Wireless base station apparatus quits work.
When the gauge tap of alternating current input module 3 is opened, average anode current testing circuit 83 detects the size of output current, the signal detected is sent to the 3rd receiving element 77, this signal is input to the 3rd judging unit 74 by the 3rd receiving element 77, is judged the state of output current by the 3rd judging unit 74, resonator, filter current detection circuit 81 detects the size of input current, the signal detected is sent to the first receiving element 75, first receiving element 75 and this signal is input to the first judging unit 72, judged the state of input current by the first judging unit 72, resonator, filter voltage detecting circuit 82 detects the size of input voltage, the signal detected is sent to the second receiving element 76, second receiving element 76 and this signal is input to the second judging unit 73, judged the state of input voltage by the second judging unit 73, judging unit differentiates that wireless base station apparatus is in overvoltage condition, over-current state, short-circuit condition, have and carry state or Light Condition, under judge module judges that wireless base station apparatus is in abnormality, the driver element 71 of control module 7 transmits a signal to energy conversion module 5, control energy conversion module 5 to quit work, wireless base station apparatus is made to stop sending, simultaneously control module 7 controls alarm module 10 and works, control module 7 output low level, make the work of display lamp warning circuit, the audion Q1 conducting of buzzer alarm circuit simultaneously, buzzer H1 is made to form circuit loop, buzzer H1 starts to pipe.When judging unit differentiation wireless base station apparatus is in normal condition, the driver element 71 of control module 7 transmits a signal to energy conversion module 5, control energy conversion module 5 to work, convert the alternating current that power management module 4 inputs to electromagnetic wave, launch through transmitting coil 6.
The receiving coil 11 of described radio receiver receives the electromagnetic wave of transmitting coil 6 transmission, receiving coil 11 passes through the principle receiver of electromagnetic wave induction to AC energy, AC energy obtains constant voltage DC electricity by impedance matching module 12 and rectifying and voltage-stabilizing module 13, power then to charge management module 14, charge management module 14 charges to rechargeable battery 15, by radio receiver and wireless sending module, achieve the wireless charging of hand slit lamp.
Embodiment should not be considered as limitation of the present invention, but any improvement done based on spirit of the present invention, all should within protection scope of the present invention.
Claims (4)
1. a wireless charging hand slit lamp, it comprises charging base (2) and slit lamp body (1), it is characterized in that: described charging base (2) is provided with wireless base station apparatus, described slit lamp body (1) inside is provided with radio receiver, described wireless base station apparatus comprises alternating current input module (3), power management module (4), energy conversion module (5), transmitting coil (6), for controlling control module (7) that energy conversion module (5) works and for testing circuit electric current, the level detection module (8) of voltage status, described alternating current input module (3) and power management module (4), energy conversion module (5) and transmitting coil (6) link together, described level detection module (8) is arranged on the input of alternating current input module (3) and the outfan of energy conversion module (5), be connected with control module (7), described control module (7) is connected with energy conversion module (5), described radio receiver comprises the receiving coil (11) connected successively, impedance matching module (12), rectifying and voltage-stabilizing module (13), charge management module (14) and rechargeable battery (15), described transmitting coil (6) is connected by electromagnetic wave induction with receiving coil (11), described control module (7) comprises the receiving element for incoming level detection module signal, for judging the judging unit of Received signal strength and the driver element (71) for sending output control signal, described alternating current input module (3) is provided with gauge tap, described level detection module (8) comprises the resonator, filter loop current testing circuit (81) for detecting input current size, for detecting the resonator, filter loop voltage testing circuit (82) of input voltage size and the average anode current testing circuit (83) for detecting output current size, described receiving element comprises the first receiving element (75) for receiving resonator, filter loop current testing circuit (81) detection signal, for receiving second receiving element (76) of resonator, filter loop voltage testing circuit (82) detection signal and the 3rd receiving element (77) for receiving average anode current testing circuit (83) detection signal, described judging unit comprises the first judging unit (72) for judging the first receiving element (75) Received signal strength, for judging second judging unit (73) of the second receiving element (76) Received signal strength and the 3rd judging unit (74) for judging the 3rd receiving element (77) Received signal strength.
2. a kind of wireless charging hand slit lamp according to claim 1, is characterized in that: described control module (7) is connected with alarm module (10).
3. a kind of wireless charging hand slit lamp according to claim 2, is characterized in that: described alarm module (10) comprises display lamp warning circuit and buzzer alarm circuit.
4. a kind of wireless charging hand slit lamp according to claim 1, is characterized in that: described gauge tap is inductive switch or pressure switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210500332.7A CN103040432B (en) | 2012-11-30 | 2012-11-30 | Wireless charging handheld slit lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210500332.7A CN103040432B (en) | 2012-11-30 | 2012-11-30 | Wireless charging handheld slit lamp |
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| Publication Number | Publication Date |
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| CN103040432A CN103040432A (en) | 2013-04-17 |
| CN103040432B true CN103040432B (en) | 2015-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210500332.7A Active CN103040432B (en) | 2012-11-30 | 2012-11-30 | Wireless charging handheld slit lamp |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103595094A (en) * | 2013-10-31 | 2014-02-19 | 徐州市恒源电器有限公司 | Electric tool wireless charging device |
| CN108538201A (en) * | 2018-03-28 | 2018-09-14 | 安徽农业大学 | One kind is based on the telescopic curling screen of wireless charging type |
Citations (3)
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| CN202218038U (en) * | 2011-08-26 | 2012-05-09 | 深圳市航嘉驰源电气股份有限公司 | Wireless charging seat and charging equipment |
| CN102480155A (en) * | 2010-11-26 | 2012-05-30 | 上海晨兴希姆通电子科技有限公司 | Charging device |
| CN202313275U (en) * | 2011-10-14 | 2012-07-11 | 上海美沃精密仪器有限公司 | Tilt-shift tomographic eye scanning system |
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| CN2696141Y (en) * | 2003-01-14 | 2005-04-27 | 周伟 | Charging mechanism of electric toothbrush |
| WO2007013726A1 (en) * | 2005-07-29 | 2007-02-01 | Ls Cable Ltd. | Contact-less chargeable battery and charging device, battery charging set, and charging control method thereof |
| JP4915600B2 (en) * | 2009-06-25 | 2012-04-11 | パナソニック株式会社 | Rechargeable electrical equipment |
| CN101879074B (en) * | 2010-07-01 | 2011-09-28 | 深圳市开立科技有限公司 | Wireless power ultrasonic diagnostic apparatus |
| CN202353286U (en) * | 2011-10-28 | 2012-07-25 | 深圳市萨伏特电池电源有限公司 | Wireless charging device |
| CN202474976U (en) * | 2012-01-29 | 2012-10-03 | 西安世纪友好医疗科技有限公司 | Medical care terminal charged wirelessly, placing rack and medical care system |
| CN202960456U (en) * | 2012-11-30 | 2013-06-05 | 温州医学院眼视光器械有限公司 | Wireless charging handheld slit lamp |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102480155A (en) * | 2010-11-26 | 2012-05-30 | 上海晨兴希姆通电子科技有限公司 | Charging device |
| CN202218038U (en) * | 2011-08-26 | 2012-05-09 | 深圳市航嘉驰源电气股份有限公司 | Wireless charging seat and charging equipment |
| CN202313275U (en) * | 2011-10-14 | 2012-07-11 | 上海美沃精密仪器有限公司 | Tilt-shift tomographic eye scanning system |
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| CN103040432A (en) | 2013-04-17 |
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Address after: 325027 No. 270 College West Road, Zhejiang, Wenzhou Patentee after: OPHTHALMOLOGY AND OPTOMETRY INSTRUMENT CO.,LTD. OF WENZHOU MEDICAL University Address before: 325027 No. 270 College West Road, Zhejiang, Wenzhou Patentee before: THE VISION CARE INSTRUMENTS AND TECHNOLOGIES CO., LTD OF WENZHOU MEDICAL College |
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Effective date of registration: 20230328 Address after: 325000 No. 270 College West Road, Zhejiang, Wenzhou Patentee after: OPHTHALMOLOGY AND OPTOMETRY INSTITUTE, WENZHOU MEDICAL University Address before: 325027 No. 270 College West Road, Zhejiang, Wenzhou Patentee before: OPHTHALMOLOGY AND OPTOMETRY INSTRUMENT CO.,LTD. OF WENZHOU MEDICAL University |