CN2733714Y - Separate type power supply changeover device - Google Patents
Separate type power supply changeover device Download PDFInfo
- Publication number
- CN2733714Y CN2733714Y CNU2004200469980U CN200420046998U CN2733714Y CN 2733714 Y CN2733714 Y CN 2733714Y CN U2004200469980 U CNU2004200469980 U CN U2004200469980U CN 200420046998 U CN200420046998 U CN 200420046998U CN 2733714 Y CN2733714 Y CN 2733714Y
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- power supply
- high frequency
- electric energy
- changeover device
- energy change
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Abstract
The utility model relates to a separate type power supply changeover device, comprising a power supply changeover device on the side of the power supply and a power supply changeover device on the side of the electric appliance. The power supply changeover device on the side of the power supply comprises a casing; the casing is arranged with an electric energy changeover circuit for changing the commercial power or the direct current into the high-frequency alternating current; a high-frequency output winding in the output loop of the changeover circuit is arranged on a high-frequency magnetic core. The power supply changeover device on the side of the electric appliance comprises a casing; the casing is arranged with an electric energy changeover circuit for changing the high-frequency alternating current into the commercial power or the direct current; a high-frequency input winding in the input loop of the changeover circuit is arranged on another high-frequency magnetic core. When the two high-frequency magnetic cores are in the spliced state, the two magnetic cores and the output and the input winding on the two magnetic cores constitute a high-frequency transformer. The transmission of the electric energy is realized through the high-frequency electromagnetic coupling method, which improves the safety of the power utilization. At the same time, the power supply changeover device on the side of the electric appliance is arranged in the electric appliance, which solves the trouble that the traditional electric appliance is needed to be additionally accompanied with the transformer, the charger, etc.
Description
Technical field
The utility model relates to electric power supply and power source conversion technology, specifically is a kind of separate power supply conversion 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 purpose of this utility model is to overcome the above-mentioned deficiency of prior art, and a kind of separate power supply conversion equipment is provided, to satisfy the non-contact power of electrical equipment.
It is to realize like this that the utility model provides the separate power supply conversion equipment, this device comprises: mains side power supply changeover device 20 and electrical appliance side power supply changeover device 21, described mains side power supply changeover device 20 contains housing, be provided for civil power or direct current are changed into the electric energy change-over circuit 6 of high-frequency alternating current in the housing, the input termination civil power or the direct current of this electric energy change-over circuit 6, the high frequency output winding 3 in the output loop of electric energy change-over circuit 6 are arranged on the high frequency magnetic core 4; Described electrical appliance side power supply changeover device 21 contains housing, be provided in the housing transferring high-frequency alternating current to civil power or galvanic electric energy change-over circuit 12, the high-frequency input coil in input loop 10 of this electric energy change-over circuit 12 is arranged on another high frequency magnetic core 11, the output termination electrical appliance of electric energy change-over circuit 12; At described two high frequency magnetic core amalgamation states, two high frequency magnetic cores 4,11 and the high frequency output winding 3 on both, high frequency input coil 10 constitute a high frequency transformer, and 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.
The utility model comprises 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 utility model;
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 utility model embodiment 2.
Embodiment
Below in conjunction with the embodiment accompanying drawing the utility model is further described.
As shown in Figure 1, this separate type power supply change-over device comprises mains side power supply changeover device 20 and electrical appliance side power supply changeover device 21, described mains side power supply changeover device 20 contains housing, be provided for civil power or direct current are transferred to the electric energy change-over circuit 6 of high-frequency alternating current in the housing, the input termination civil power or the direct current of this electric energy change-over circuit 6, the high frequency output winding 3 in the output loop of electric energy change-over circuit 6 is arranged on the high frequency magnetic core 4.
Described electrical appliance side power supply changeover device 21 contains housing, be provided in the housing transferring high-frequency alternating current to civil power or galvanic electric energy change-over circuit 12, the high-frequency input coil in input loop 10 of this electric energy change-over circuit 12 is arranged on another high frequency magnetic core 11, the output termination electrical appliance of electric energy change-over circuit 12.
The high frequency magnetic core 4 of mains side power supply changeover device 20 and the high frequency magnetic core 11 of electrical appliance side power supply changeover device 21 near the time, described two high frequency magnetic cores and the high frequency output winding 3 on both, high frequency input coil 10 constitute a high frequency transformer.
The number of turn of the high frequency output winding 3 of above-mentioned mains side is fixed, and the number of turn of the high frequency input coil 10 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 1, 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 12, being serially connected with electric energy change-over circuit 12 high-frequency input coil in input loop 10 is arranged on the high frequency magnetic core 11, the output of electric energy change-over circuit 12 provides operating voltage for transducer and meter reading transmission circuit 13, the high frequency magnetic core 11 of tape input coil 10 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 11 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 2, this mains side power supply changeover device comprises the electric energy change-over circuit 6 that is used for direct current is transferred to high-frequency alternating current, the high frequency output winding 3 that is serially connected with in electric energy change-over circuit 6 output loops is arranged on another high frequency magnetic core 4, the input termination battery 7 of electric energy change-over circuit 6, the high frequency magnetic core 4 of band output winding 3 is installed on the power supply port place of meter-copy device, and the power supply port place on high frequency magnetic core 4 next doors also is provided for the infrared communication mouth 5 of communication.8 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 3 and place thereof constitutes half high frequency transformer, another high frequency magnetic core 11 at high frequency input coil 10 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 6 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, the high frequency output winding 3 that reaches in the Q1 collector loop.
Electric energy change-over circuit 12 contains rectification circuit and is connected to the filter circuit of rectification circuit output end.Wherein, high frequency input coil 10 and diode D1 constitute rectification circuit, between the negative pole of diode D1 and high frequency input coil 10 1 ends 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 6 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 6 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, 6 work of electric energy change-over circuit, battery 7 in the meter-copy device is by electric energy change-over circuit 6, the output winding 3 of band magnetic core and the high frequency transformer of input coil 10 formations, and electric energy change-over circuit 12 provides operating voltage for transducer and meter reading transmission circuit 13 in the water meter, meter reading transmission circuit 13 is by infrared communication mouth 9,5 transfer 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.
As shown in Figure 4, the mains side power supply changeover device is installed in the housing 17 of power socket, this mains side power supply changeover device contains the electric energy change-over circuit 6 that is used for civil power is transferred to high-frequency alternating current, the output winding 3 that is serially connected with in the electric energy change-over circuit 6 high frequency output loops is arranged on the high frequency magnetic core 4, series connection suppresses the switch 18 of electromagnetic radiation in electric energy change-over circuit 6 input circuits, this switch disconnects during not electricity consumption of electrical appliance, the high frequency magnetic core 4 of band output winding 3 is installed on the power supply port place of power socket housing 17, also is provided with electrical appliance supporting seat 19 at the power supply port place of the housing 17 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 16, 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 12, the input coil 10 that is serially connected with in the electric energy change-over circuit 12 high frequency input circuits is arranged on another high frequency magnetic core 11, the output of electric energy change-over circuit 12 gives the charging mobile phone battery circuit 14 power supplies, and high frequency magnetic core 11 is installed on the electricity mouth that is subjected to of mobile phone 16 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 15 chargings by mains side power supply changeover device, electrical appliance side power supply changeover device and charging circuit 14 successively.
The utility model 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 (8)
1, a kind of separate power supply conversion equipment is characterized in that comprising: mains side power supply changeover device (20) and electrical appliance side power supply changeover device (21); Described mains side power supply changeover device (20) contains housing, be provided for civil power or direct current are changed into the electric energy change-over circuit (6) of high-frequency alternating current in the housing, the input termination civil power or the direct current of this electric energy change-over circuit (6), the high frequency output winding (3) in the output loop of electric energy change-over circuit (6) is arranged on the high frequency magnetic core (4);
Described electrical appliance side power supply changeover device (21) contains housing, be provided in the housing transferring high-frequency alternating current to civil power or galvanic electric energy change-over circuit (12), the high-frequency input coil in input loop (10) of this electric energy change-over circuit (12) is arranged on another high frequency magnetic core (11), the output termination electrical appliance of electric energy change-over circuit (12);
At described two high frequency magnetic core amalgamation states, two high frequency magnetic cores (4,11) and the high frequency output winding (3) on both, high frequency input coil (10) constitute a high frequency transformer.
2, separate power supply conversion equipment according to claim 1 is characterized in that: described electric energy change-over circuit (6) contains high-frequency generator and is connected to the high-frequency amplifier of high-frequency generator output.
3, separate power supply conversion equipment according to claim 1 is characterized in that: described electric energy change-over circuit (12) contains rectification circuit and is connected to the filter circuit of rectification circuit output end.
4, separate power supply conversion equipment according to claim 1, it is characterized in that: a high frequency magnetic core (4) at described high frequency output winding (3) and place thereof constitutes half high frequency transformer, and another high frequency magnetic core (11) at described high frequency input coil (10) and place thereof constitutes other half high frequency transformer.
5, according to claim 1 or 4 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.
6, separate power supply conversion equipment according to claim 1 is characterized in that: series connection suppresses the switch of electromagnetic radiation in the input circuit of the electric energy change-over circuit (6) of mains side, and this switch disconnects during not electricity consumption of electrical appliance.
7, separate power supply conversion equipment according to claim 6 is characterized in that: the switch of described inhibition electromagnetic radiation is sensitive switch or magnetic switch.
8. separate power supply conversion equipment according to claim 1 is characterized in that: the number of turn of the high frequency output winding (3) of described mains side is fixed, and the number of turn of the high frequency input coil (10) of electrical appliance side is selected according to the electrical appliance required voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200469980U CN2733714Y (en) | 2004-06-11 | 2004-06-11 | Separate type power supply changeover device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200469980U CN2733714Y (en) | 2004-06-11 | 2004-06-11 | Separate type power supply changeover device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2733714Y true CN2733714Y (en) | 2005-10-12 |
Family
ID=35069550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2004200469980U Expired - Fee Related CN2733714Y (en) | 2004-06-11 | 2004-06-11 | Separate type power supply changeover device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2733714Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103956618A (en) * | 2014-05-13 | 2014-07-30 | 安徽中家智锐科技有限公司 | Non-contact type safety socket in direct current power distribution network |
| CN104578456A (en) * | 2015-01-27 | 2015-04-29 | 李德生 | CI-shaped safety electric energy coupling middle end |
| CN111319483A (en) * | 2020-04-02 | 2020-06-23 | 江苏方天电力技术有限公司 | Wireless coupling mechanism and unmanned aerial vehicle that charge |
-
2004
- 2004-06-11 CN CNU2004200469980U patent/CN2733714Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103956618A (en) * | 2014-05-13 | 2014-07-30 | 安徽中家智锐科技有限公司 | Non-contact type safety socket in direct current power distribution network |
| CN104578456A (en) * | 2015-01-27 | 2015-04-29 | 李德生 | CI-shaped safety electric energy coupling middle end |
| CN111319483A (en) * | 2020-04-02 | 2020-06-23 | 江苏方天电力技术有限公司 | Wireless coupling mechanism and unmanned aerial vehicle that charge |
| CN111319483B (en) * | 2020-04-02 | 2021-09-17 | 江苏方天电力技术有限公司 | Wireless coupling mechanism and unmanned aerial vehicle that charge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |