CN1674405A - Non-contact type power supply method for electric device and apparatus thereof - Google Patents
Non-contact type power supply method for electric device and apparatus thereof Download PDFInfo
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- CN1674405A CN1674405A CNA2004100276145A CN200410027614A CN1674405A CN 1674405 A CN1674405 A CN 1674405A CN A2004100276145 A CNA2004100276145 A CN A2004100276145A CN 200410027614 A CN200410027614 A CN 200410027614A CN 1674405 A CN1674405 A CN 1674405A
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Abstract
The present invention relates to a non-contact power supply method for electric equipment. Said method includes the following measures: placing electric energy conversion circuit capable of converting commercial power or direct current into high-frequency alternating current at power supply side, placing high-frequency output coil in output loop of electric energy conversion circuit on a high-frequency magnetic core; placing power supply conversion circuit at electric equipment side, and placing high-frequency input coil in input loop of electric energy conversion circuit on another high-frequency magnetic core; combining the described two high-frequency magnetic cores, and utilizing high-frequency electromagnetic coupling mode to make the high-frequency electric energy produced by power supply conversion circuit positioned at power supply side be converted into commercial power or direct current required for electric equipment.
Description
Technical field
The present invention relates to electric power supply and power source conversion technology, specifically is a kind of non-contact power supply method and separate power supply conversion equipment thereof of electrical equipment.
Background technology
Usually electrical appliance obtains electric energy from power supply, all need by between the electric conductor directly contact obtain electric energy, adopt various plugs and socketss to be connected between electrical appliance and the power supply; And the different electrical appliance of voltage need obtain the electric energy of required specification by the power supply changeover device of different size.As: voltage and current specifications such as electric shaver, mobile phone are different, the general power supply that all needs special use, and at present civil power voltage can only be provided is the alternating current of fixed value, the low-voltage DC that can not directly provide electric shaver, mobile phone etc. to need is travelled outdoors, is worked and not only wants charged device itself also to need to carry a plurality of special power supplys and plug line.
At present, provide power supply in the time of can all adopting internal battery to copy and accept for the water meter of automatic data logging, and can not adopt the external power source of no conductor contact to power for water meter, this mode is very high to the waterproof and dampproof requirement of water meter, cost increases, and battery is easy to lose efficacy, and changes also pretty troublesome.
Summary of the invention
The objective of the invention is to overcome the above-mentioned deficiency of prior art, a kind of non-contact power supply method of electrical equipment is provided, and realize the separate power supply conversion equipment that non-contact power supply adopted.
The non-contact power supply method of the present invention's electrical equipment is achieved in that it comprises:
Can change civil power or direct current is the electric energy change-over circuit of high-frequency alternating current mains side setting, the high frequency output winding in the output loop of electric energy change-over circuit is arranged on the high frequency magnetic core;
In the electrical appliance side power-switching circuit is set, the high-frequency input coil in input loop of electric energy change-over circuit is arranged on another high frequency magnetic core;
Make described two high frequency magnetic core amalgamations, the high-frequency electrical energy that the mains side power-switching circuit is produced by the high-frequency electromagnetic coupled modes is transformed to civil power or the direct current that electrical appliance needs.
For realizing non-contact power supply, the invention provides a kind of separate power supply conversion equipment.This device comprises: mains side power supply changeover device 1 and electrical appliance side power supply changeover device 2, described mains side power supply changeover device 1 contains housing, be provided for civil power or direct current are changed into the electric energy change-over circuit 3 of high-frequency alternating current in the housing, the input termination civil power or the direct current of this electric energy change-over circuit 3, the high frequency output winding 4 ' in the output loop of electric energy change-over circuit 3 are arranged on the high frequency magnetic core 4; Described electrical appliance side power supply changeover device 2 contains housing, be provided in the housing transferring high-frequency alternating current to civil power or galvanic electric energy change-over circuit 6, the high-frequency input coil in input loop 5 ' of this electric energy change-over circuit 6 is arranged on another high frequency magnetic core 5, the output termination electrical appliance of electric energy change-over circuit 6; At described two high frequency magnetic core amalgamation states, two high frequency magnetic cores 4,5 and the high frequency output winding 4 ' on both, high frequency input coil 5 ' constitute a high frequency transformer.
The present invention is divided into mains side power supply changeover device and electrical appliance side power supply changeover device two parts, between two transducers during amalgamation, other half high frequency transformer of the former half high frequency transformer and the latter constitutes a complete high frequency transformer, realize the transmission of electric energy by the high-frequency electromagnetic coupled modes, avoided the use socket plug to get an electric shock easily and exposed socket, improved the electrical equipment electrical safety because oxidation causes phenomenons such as aging, laying dust short circuit.Simultaneously, electrical appliance side power supply changeover device is arranged in the electrical appliance, has solved the trouble that traditional electrical appliance needs outer distribution transforming depressor, charger etc.
Description of drawings
Fig. 1 is a separate power supply conversion equipment theory diagram of the present invention;
Fig. 2 is the structural representation of embodiment 1;
Fig. 3 is the circuit diagram of embodiment 1;
Fig. 4 is the structural representation of the embodiment of the invention 2.
Embodiment
Below in conjunction with the embodiment accompanying drawing the present invention is further described.
As shown in Figure 1, separate power supply conversion equipment of the present invention comprises mains side power supply changeover device 1 and electrical appliance side power supply changeover device 2, described mains side power supply changeover device 1 contains housing, be provided for civil power or direct current are transferred to the electric energy change-over circuit 3 of high-frequency alternating current in the housing, the input termination civil power or the direct current of this electric energy change-over circuit 3, the high frequency output winding 4 ' in the output loop of electric energy change-over circuit 3 is arranged on the high frequency magnetic core 4.
Described electrical appliance side power supply changeover device 2 contains housing, be provided in the housing transferring high-frequency alternating current to civil power or galvanic electric energy change-over circuit 6, the high-frequency input coil in input loop 5 ' of this electric energy change-over circuit 6 is arranged on another high frequency magnetic core 5, the output termination electrical appliance of electric energy change-over circuit 6.
The high frequency magnetic core 4 of mains side power supply changeover device 1 and the high frequency magnetic core 5 of electrical appliance side power supply changeover device 2 near the time, described two high frequency magnetic cores and the high frequency output winding 4 ' on both, high frequency input coil 5 ' constitute a high frequency transformer.
Adopt above-mentioned separate power supply conversion equipment to realize that the non-contact power supply method comprises:
Can change civil power or direct current is the electric energy change-over circuit 3 of high-frequency alternating current mains side setting, the high frequency output winding 4 ' in the output loop of electric energy change-over circuit 3 is arranged on the high frequency magnetic core 4;
In the electrical appliance side power-switching circuit 6 is set, the high-frequency input coil in input loop 5 ' of electric energy change-over circuit 6 is arranged on another high frequency magnetic core 5;
Make described two high frequency magnetic core amalgamations, the high-frequency electrical energy that mains side power-switching circuit 6 is produced by the high-frequency electromagnetic coupled modes is transformed to civil power or the direct current that electrical appliance needs.
The number of turn of the high frequency output winding 4 ' of above-mentioned mains side is fixed, and the number of turn of the high frequency input coil 5 ' of electrical appliance side is selected according to the electrical appliance required voltage, and the power supply changeover device that can adopt a specification like this is to different electrical appliance power supplies.
Fig. 2 embodiment 1 is the separate power supply conversion equipment that is applied to copy automatically water meter.
With reference to Fig. 2,3, electrical appliance side power supply changeover device is set in water meter 10, this electrical appliance side power supply changeover device comprises and is used for transferring high-frequency alternating current to galvanic electric energy change-over circuit 6, being serially connected with electric energy change-over circuit 6 high-frequency input coil in input loop 5 ' is arranged on the high frequency magnetic core 5, the output of electric energy change-over circuit 6 provides operating voltage for transducer and meter reading transmission circuit 12, the high frequency magnetic core 5 of tape input coil 5 ' is installed on the electricity mouth that is subjected to of water meter and locates, and the electricity mouthful place that is subjected on high frequency magnetic core 5 next doors also is provided for the infrared communication mouth 9 of communication.
The mains side power supply changeover device is set in meter-copy device 20, this mains side power supply changeover device comprises the electric energy change-over circuit 3 that is used for direct current is transferred to high-frequency alternating current, the high frequency output winding 4 ' that is serially connected with in electric energy change-over circuit 3 output loops is arranged on another high frequency magnetic core 4, the input termination battery 7 of electric energy change-over circuit 3, the high frequency magnetic core 4 of band output winding 4 ' is installed on the power supply port place of meter-copy device, the power supply port place on high frequency magnetic core 4 next doors also is provided for the infrared communication mouth 9 ' of communication, 18 is the meter-copy device main circuit among the figure, and it is connected with battery 7.
One high frequency magnetic core 4 at above-mentioned high frequency output winding 4 ' and place thereof constitutes half high frequency transformer, another high frequency magnetic core 5 at high frequency input coil 5 ' and place thereof constitutes other half high frequency transformer, make described two high frequency magnetic core amalgamations constitute a complete high frequency transformer, finish the transmission of electric energy from the mains side power supply changeover device to electrical appliance side power supply changeover device.Described two high frequency magnetic cores are " E " form height magnetic cores frequently, or " C " form height frequency magnetic core etc.
Electric energy change-over circuit 3 contains high-frequency generator and is connected to the high-frequency amplifier of high-frequency generator output.Wherein, high-frequency generator is made up of IC555, resistance R 1, R2 and capacitor C 1.High-frequency amplifier is made up of the resistance R 3 of triode Q1, Q1 base stage and the high frequency output winding 4 ' in the Q1 collector loop.
Electric energy change-over circuit 6 contains rectification circuit and is connected to the filter circuit of rectification circuit output end.Wherein, high frequency input coil 5 ' and diode D1 constitute rectification circuit, between the negative pole of diode D1 and high frequency input coil 5 ' one end and meet filter capacitor C2, C3.Also be connected to voltage stabilizing circuit LM1117 voltage stabilizing circuit among Fig. 3, LM1117 output termination filtering C4, C5.
Series connection suppresses the K switch 1 of electromagnetic radiation in electric energy change-over circuit 3 input circuits of meter-copy device, and this K switch 1 disconnects during not electricity consumption of electrical appliance, and electric energy change-over circuit 3 is not worked.
The switch of the inhibition electromagnetic radiation of mains side can be sensitive switch, magnetic switch etc., in the electrical appliance side one magnet is set when adopting magnetic switch, is used for controlling magnetic switch.
When checking meter, the power supply port of meter-copy device is located near the electricity mouth that is subjected to of water meter, make magnetic trigger switch K1 closure, 3 work of electric energy change-over circuit, battery 7 in the meter-copy device is by electric energy change-over circuit 3, the output winding 4 ' of band magnetic core and the high frequency transformer of input coil 5 ' formation, and electric energy change-over circuit 6 provides operating voltage for transducer and meter reading transmission circuit 12 in the water meter, meter reading transmission circuit 12 is by infrared communication mouth 9,9 ' transfers data to meter-copy device, copy and accept finish after, take away meter-copy device, circuit in the water meter voltage of losing the job stops outwards to transmit data.
Above-mentioned water meter has overcome the water meter of traditional automatic data logging need install battery, very high to waterproof and dampproof requirement, and battery is easy to lose efficacy, and changes defective such as battery trouble.
Embodiment 2 is for being applied to the separate power supply conversion equipment of power socket.
As shown in Figure 4, the mains side power supply changeover device is installed in the housing 30 of power socket, this mains side power supply changeover device contains the electric energy change-over circuit 3 that is used for civil power is transferred to high-frequency alternating current, the output winding 4 ' that is serially connected with in the electric energy change-over circuit 3 high frequency output loops is arranged on the high frequency magnetic core 4, series connection suppresses the switch 15 of electromagnetic radiation in electric energy change-over circuit 3 input circuits, this switch disconnects during not electricity consumption of electrical appliance, the high frequency magnetic core 4 of band output winding 4 ' is installed on the power supply port place of power socket housing 30, also is provided with electrical appliance supporting seat 16 at the power supply port place of the housing 30 of power socket.Wherein, the switch of the inhibition electromagnetic radiation of mains side is sensitive switch, magnetic switch etc., in the electrical appliance side one magnet is set when adopting magnetic switch, is used for controlling magnetic switch.
Electrical appliance side power supply changeover device is set in mobile phone 40, this electrical appliance side power supply changeover device comprises and is used for transferring high-frequency alternating current to galvanic electric energy change-over circuit 6, the input coil 5 ' that is serially connected with in the electric energy change-over circuit 6 high frequency input circuits is arranged on another high frequency magnetic core 5, the output of electric energy change-over circuit 6 gives the charging mobile phone battery circuit 13 power supplies, and high frequency magnetic core 5 is installed on the electricity mouth that is subjected to of mobile phone 40 and locates.When mobile phone need charge, mobile phone is positioned on the electrical appliance supporting seat of above-mentioned power socket, civil power gives battery of mobile phone 14 chargings by mains side power supply changeover device, electrical appliance side power supply changeover device and charging circuit 13 successively.
The present invention can be widely used in the low-power electrical device of various needs chargings such as shaver, mobile phone.Electrical appliance side power supply changeover device is set in electrical appliance, like this, when people go on business, travel, when visiting friends and relatives, just needn't be with various chargers and power supply again, can directly be the charging of electrical appliances such as mobile phone, shaver from the standard electric source(-)holder that has the mains side power supply changeover device.
Claims (9)
1, a kind of non-contact power supply method of electrical equipment is characterized in that comprising:
Can change civil power or direct current is the electric energy change-over circuit of high-frequency alternating current mains side setting, the high frequency output winding in the output loop of electric energy change-over circuit is arranged on the high frequency magnetic core;
In the electrical appliance side power-switching circuit is set, the high-frequency input coil in input loop of electric energy change-over circuit is arranged on another high frequency magnetic core;
Make described two high frequency magnetic core amalgamations, the high-frequency electrical energy that the mains side power-switching circuit is produced by the high-frequency electromagnetic coupled modes is transformed to civil power or the direct current that electrical appliance needs.
2. according to the non-contact power supply method of the described electrical equipment of claim 1, it is characterized in that: the number of turn of the high frequency output winding of described mains side is fixed, and the number of turn of the high frequency input coil of electrical appliance side is selected according to the electrical appliance required voltage.
3, a kind of separate power supply conversion equipment is characterized in that comprising: mains side power supply changeover device (1) and electrical appliance side power supply changeover device (2),
Described mains side power supply changeover device (1) contains housing, be provided for civil power or direct current are changed into the electric energy change-over circuit (3) of high-frequency alternating current in the housing, the input termination civil power or the direct current of this electric energy change-over circuit (3), the high frequency output winding (4 ') in the output loop of electric energy change-over circuit (3) are arranged on the high frequency magnetic core (4);
Described electrical appliance side power supply changeover device (2) contains housing, be provided in the housing transferring high-frequency alternating current to civil power or galvanic electric energy change-over circuit (6), the high-frequency input coil in input loop (5 ') of this electric energy change-over circuit (6) is arranged on another high frequency magnetic core (5), the output termination electrical appliance of electric energy change-over circuit (6);
At described two high frequency magnetic core amalgamation states, two high frequency magnetic cores (4,5) and the high frequency output winding (4 ') on both, high frequency input coil (5 ') constitute a high frequency transformer.
4, separate power supply conversion equipment according to claim 3 is characterized in that: described electric energy change-over circuit (3) contains high-frequency generator and is connected to the high-frequency amplifier of high-frequency generator output.
5, separate power supply conversion equipment according to claim 3 is characterized in that: described electric energy change-over circuit (6) contains rectification circuit and is connected to the filter circuit of rectification circuit output end.
6, separate power supply conversion equipment according to claim 3, it is characterized in that: a high frequency magnetic core (4) at described high frequency output winding (4 ') and place thereof constitutes half high frequency transformer, and another high frequency magnetic core (5) at described high frequency input coil (5 ') and place thereof constitutes other half high frequency transformer.
7, according to claim 3 or 6 described separate power supply conversion equipments, it is characterized in that: described two high frequency magnetic cores are " E " form height magnetic cores frequently, or " C " form height frequency magnetic core.
8, separate power supply conversion equipment according to claim 3 is characterized in that: series connection suppresses the switch of electromagnetic radiation in the input circuit of the electric energy change-over circuit (3) of mains side, and this switch disconnects during not electricity consumption of electrical appliance.
9, separate power supply conversion equipment according to claim 3 is characterized in that: the switch of described inhibition electromagnetic radiation is sensitive switch or magnetic switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004100276145A CN1674405A (en) | 2004-06-11 | 2004-06-11 | Non-contact type power supply method for electric device and apparatus thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004100276145A CN1674405A (en) | 2004-06-11 | 2004-06-11 | Non-contact type power supply method for electric device and apparatus thereof |
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| Publication Number | Publication Date |
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| CN1674405A true CN1674405A (en) | 2005-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2004100276145A Pending CN1674405A (en) | 2004-06-11 | 2004-06-11 | Non-contact type power supply method for electric device and apparatus thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101785073B (en) * | 2006-06-05 | 2012-07-18 | 美丽亚古乐施股份有限公司 | Power transmitting apparatus, power transmitter and power receiver for power transmitting apparatus and method for operating power transmitting apparatus |
| CN101355266B (en) * | 2007-03-01 | 2012-12-05 | 哥瑞考儿童产品公司 | Juvenile product inductive power transfer |
| CN101841173B (en) * | 2009-03-19 | 2013-04-24 | 鸿富锦精密工业（深圳）有限公司 | Charging system |
| CN101971458B (en) * | 2007-11-09 | 2013-08-07 | 香港城市大学 | Planar battery charging system |
| CN103988269A (en) * | 2011-12-12 | 2014-08-13 | 威德米勒界面有限公司及两合公司 | plug device for contact-free inductive energy transfer and operating method for the plug device |
| CN104578347A (en) * | 2015-01-27 | 2015-04-29 | 李德生 | Active safe electric energy coupling middle end |
| CN105471123A (en) * | 2008-04-21 | 2016-04-06 | 高通股份有限公司 | Method and system for wireless power transmission |
| CN106373228A (en) * | 2016-08-29 | 2017-02-01 | 杭州巴玺电子科技有限公司 | Intelligent safe passive lockset system and unlocking method thereof |
-
2004
- 2004-06-11 CN CNA2004100276145A patent/CN1674405A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101785073B (en) * | 2006-06-05 | 2012-07-18 | 美丽亚古乐施股份有限公司 | Power transmitting apparatus, power transmitter and power receiver for power transmitting apparatus and method for operating power transmitting apparatus |
| CN101355266B (en) * | 2007-03-01 | 2012-12-05 | 哥瑞考儿童产品公司 | Juvenile product inductive power transfer |
| CN101971458B (en) * | 2007-11-09 | 2013-08-07 | 香港城市大学 | Planar battery charging system |
| CN105471123A (en) * | 2008-04-21 | 2016-04-06 | 高通股份有限公司 | Method and system for wireless power transmission |
| US9979230B2 (en) | 2008-04-21 | 2018-05-22 | Qualcomm Incorporated | Short range efficient wireless power transfer including a charging base transmitter built into a desktop component and a power relay integrated into a desktop |
| CN101841173B (en) * | 2009-03-19 | 2013-04-24 | 鸿富锦精密工业（深圳）有限公司 | Charging system |
| CN103988269A (en) * | 2011-12-12 | 2014-08-13 | 威德米勒界面有限公司及两合公司 | plug device for contact-free inductive energy transfer and operating method for the plug device |
| CN104578347A (en) * | 2015-01-27 | 2015-04-29 | 李德生 | Active safe electric energy coupling middle end |
| CN106373228A (en) * | 2016-08-29 | 2017-02-01 | 杭州巴玺电子科技有限公司 | Intelligent safe passive lockset system and unlocking method thereof |
| CN106373228B (en) * | 2016-08-29 | 2019-02-19 | 杭州巴玺电子科技有限公司 | A kind of passive lock system of intelligent and safe and its method for unlocking |
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