CN101582550A - Master-slave type socket system - Google Patents
Master-slave type socket system Download PDFInfo
- Publication number
- CN101582550A CN101582550A CNA2008100990519A CN200810099051A CN101582550A CN 101582550 A CN101582550 A CN 101582550A CN A2008100990519 A CNA2008100990519 A CN A2008100990519A CN 200810099051 A CN200810099051 A CN 200810099051A CN 101582550 A CN101582550 A CN 101582550A
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- master
- power switch
- operational amplifier
- socket
- coupled
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Abstract
The invention provides a master-slave type socket system which is provided with at least one master socket and at least one slave socket. When an electric appliance product inserted and connected in the master socket reaches the enough current, the slave socket can be connected, thus the other electric appliance product inserted and connected in the slave socket can be also switched on. In addition, when the electric appliance product inserted and connected in the master socket is switched off or is in a park mode, the other electric appliance product inserted and connected in the slave socket can be also switched off.
Description
Technical field
The present invention relates to a kind of master-slave type socket system, be meant especially a kind of after baseplug begins power supply, the jack system that just can power from socket.
Background technology
In recent years the user is for the convenience that makes electrical appliance, fail safe and saving pay attention to day by day, therefore the use for extended line also increases year by year, extended line socket on the market has many kinds at present, includes single switch control extended line and individual switches control extended line.
Please refer to Fig. 1, be the schematic appearance of single switch control extended line.Single switch control extended line 1 (be called for short and connect the control formula) has a plug 10, extended line 12 and a body 14, wherein, is provided with a plurality of sockets 142 and and switches switch 144 on body 14.Sockets 142 all on the body 14 all are controlled by diverter switch 144, when diverter switch 144 is opened (turn on), alternating current is imported by plug 10, and delivers to each socket 142 through the extended line 12 and the diverter switch 144 of conducting, uses with the electric device that offers various kinds.But for the user, use single switch control extended line 1 can't reach the fail safe of use and the saving of the energy.
Please refer to Fig. 2, be the schematic appearance of individual switches control extended line.Individual switches control extended line 2 (abbreviation single controlled) has a plug 20, an extended line 22 and a body 24, wherein, is provided with a plurality of sockets 242 and a plurality of diverter switches 244 on body 24.Each socket 242 all is controlled by each diverter switch 244 accordingly on the body 24, wherein, when diverter switch 244 is opened (turn on), alternating current is imported by plug 20, and deliver to corresponding socket 242 with the diverter switch 244 of conducting through extended line 22, so that being provided, uses by electric device.
Also please refer to Fig. 1 and Fig. 2, for the user, individual switches control extended line 2 is except the function that increases socket 242, and each socket 242 all has diverter switch 244 separately to control, therefore, problems such as the fail safe used and energy savings have been satisfied relatively compared to single switch control extended line 1.But, because must other diverter switch 244 opening, individual switches control extended line 2 just can use other socket 242, therefore, use and will cause user's inconvenience.
Summary of the invention
The purpose of this invention is to provide a kind of master-slave type socket system, have baseplug (Master) with from socket (Slave), when the electric product that is plugged on baseplug (Master) reaches enough electric currents, will conducting from socket (Slave), allow the electric product that is plugged on from socket (Slave) also and then open.And when the electric product that is plugged on baseplug (Master) is closed or when entering park mode, be plugged on from the electric product of socket (Slave) and also can and then close.
The master-slave type socket system of first embodiment of the invention includes one in order to receive the ac plug of alternating current; At least one baseplug is coupled to ac plug; At least one from socket; First end of one power switch couples ac plug, and its second end is coupled to from socket; One current transformer is coupled to baseplug, receives a feedback current from baseplug, and exports an induced signal; One operational amplifier is coupled to current transformer, in order to amplifying and relatively induced signal and one first reference voltage, and exporting one first control signal, and, amplify and comparison induced signal and one second reference voltage, to export one second control signal; One power supply unit is coupled to ac plug, operational amplifier and power switch, is controlled by first control signal, offers power switch alternating current is converted to a supply voltage; One driver is coupled to operational amplifier and power switch, receives second control signal and exports a drive signal to power switch, in order to the switching of control power switch.
In addition, the master-slave type socket system of second embodiment of the invention has increased a master switch newly and has been coupled between ac plug and baseplug, power switch and the power supply unit compared to the master-slave type socket system of first embodiment.Described master switch is used for controlling the alternating current that ac plug imports, and conducting or cut off baseplug, power switch and power supply unit is to provide the safety of user's electricity consumption.
Therefore, master-slave type socket system provided by the invention has convenience, fail safe and saving, and, can also reach the green energy resource (code requirement of Standby Power＜1W).
Description of drawings
Fig. 1 is the single switch control of a prior art extended line schematic appearance;
Fig. 2 is prior art individual switches control extended line schematic appearance;
Fig. 3 is the schematic appearance of first embodiment of the invention;
Fig. 4 is the circuit block diagram of first embodiment of the invention;
Fig. 5 is the schematic appearance of second embodiment of the invention;
Fig. 6 is the circuit block diagram of second embodiment of the invention.
Among the figure,
Prior art
1 single switch control extended line 10 plugs
12 extended lines, 14 bodies
142 sockets, 144 diverter switches
2 individual switches control extended line, 20 plugs
22 extended lines, 24 bodies
242 sockets, 244 diverter switches
The present invention
3 master-slave type socket systems, 301 master-slave type socket systems
30 ac plugs, 31 bodies
32 extended lines, 33 master switches
34 baseplugs, 35 control circuits
350 current transformers, 351 power switches
352 operational amplifiers, 354 drivers
356 power supply units 36 are from socket
37 direct power sockets
Embodiment
Below in conjunction with accompanying drawing and component symbol embodiments of the present invention are done more detailed description, thereby familiar described field person can be implemented after studying this specification carefully according to this.
Wherein, AC represents that alternating current, VR1 represent that first reference voltage, VR2 represent that second reference voltage, S1 represent that induced signal, SC1 represent that first control signal, SC2 represent that second control signal, SD1 represent that drive signal, DC represent to supply voltage, IFB represents feedback current.
Please refer to Fig. 3, be the schematic appearance of first embodiment of the invention.In first embodiment of the invention, master-slave type socket system 3 includes an ac plug 30, extended line 32 and a body 31, wherein, body 31 is provided with at least one baseplug 34 (Master), at least one from socket 36 (Slave) and at least one direct power socket 37, and be provided with a control circuit 35 in the body 31, and, baseplug 34, all be coupled to control circuit 35 from socket 36 and direct power socket 37.Therefore, when the electric product that is plugged on baseplug 34 reaches enough electric currents, will conducting from socket 36, allow the electric product that is plugged on from socket also and then open.In addition, when the electric product that is plugged on baseplug 34 is closed or when entering park mode, be plugged on from the electric product of socket 36 and also can and then close.
Cooperate Fig. 3, please refer to Fig. 4, Fig. 4 is the circuit block diagram of first embodiment of the invention.In first embodiment of the invention, the circuit of master-slave type socket system 3 includes ac plug 30, baseplug 34, from socket 36, direct power socket 37 and a control circuit 35.Simultaneously, control circuit 35 includes a current transformer 350, a power switch 351, an operational amplifier 352, a driver 354 and a power supply unit 356.
In first embodiment, ac plug 30 is in order to receive an alternating current AC.Baseplug 34 all is coupled to ac plug 30 with direct power socket 37.Then be couple to ac plug 30 from socket 36 through power switch 351.In addition, in control circuit 35, current transformer 350 is coupled to baseplug 34, and is able to receive a feedback current IFB from baseplug 34, and exports an induced signal S1.Operational amplifier 352 is coupled to current transformer 350, and receives one first reference voltage VR1 and one second reference voltage VR2.Operational amplifier 352 amplifies also relatively the induced signal S1 and the first reference voltage VR1, exporting one first control signal SC1, and, amplify also the comparison induced signal S1 and the second reference voltage VR2, to export one second control signal SC2.Wherein, the magnitude of voltage of the first reference voltage VR1 is less than the second reference voltage VR2.
Power supply unit 356 is coupled to ac plug 30, operational amplifier 352 and power switch 351, is controlled by the first control signal SC1, offers power switch 351 uses alternating current AC is converted to a supply voltage DC.Driver 354 is coupled to operational amplifier 352 and power switch 351, receives the second control signal SC2 and exports a drive signal SD1 to power switch 351, in order to the switching of control power switch 351.
With reference to figure 4, power supply unit 356 can pass through one first optical coupling switch (not indicating) and receive the first control signal SC1 from operational amplifier 352 again, and driver 354 receives the second control signal SC2 by an electric current acquisition component from operational amplifier 352.In addition, power switch 351 relay (Relay) preferably.Simultaneously, preferably a transistor (BJT) or a field-effect transistor (FET) of driver 354.And power supply unit 356 AC/DC converter (AC/DC Converter) preferably.
With reference to figure 4, when the electric product that is plugged in baseplug 34 was started working, current transformer 350 can receive the feedback current IFB that electric product work is produced from baseplug 34, and feedback current IFB is changed into induced signal S1 output again.Then, the operational amplifier 352 first comparison operation induced signal S1 and the first reference voltage VR1, the comparison operation induced signal S1 and the second reference voltage VR2 again.When the magnitude of voltage of induced signal S1 during greater than the first reference voltage VR1, operational amplifier 352 can be sent the first control signal SC1 and give power supply unit 356, at this moment, power supply unit 356 can be controlled by the first control signal SC1 and export supply voltage DC and give power switch 351, to provide power switch 351 work required electric power.
Next, when induced signal S1 rose to its magnitude of voltage greater than the second reference voltage VR2, operational amplifier 352 can be sent the second control signal SC2 and give driver 354.Driver 354 can be controlled by the second control signal SC2 and output drive signal SD1 gives power switch 351, in order to control power switch 351 conductings (turn on).At this moment, alternating current AC can import from ac plug 30, and the power switch through opening 351 delivers to from socket 36, uses so that the electric device that is plugged on from the socket 36 to be provided.
Again with reference to figure 4, when the electric product that is plugged on baseplug 34 is closed or when entering park mode, the feedback current IFB on the baseplug 34 no better than zero, and the induced signal S1 that current transformer 350 is sent is also almost nil.Therefore, the magnitude of voltage of induced signal S1 is less than the second reference voltage VR2, and operational amplifier 352 is sent the second control signal SC2 and given driver 354.Driver 354 is controlled by the second control signal SC2 and output drive signal SD1 gives power switch 351, closes (turnoff) in order to control power switch 351.At this moment, the alternating current AC that imports from ac plug 30 will stop to provide the electric device that is plugged in from the socket 36 to use.
Next, when induced signal S1 dropped to its magnitude of voltage less than the first reference voltage VR1, operational amplifier 352 control power supply units 356 stopped output supply voltage DC and give power switch 351.Therefore, master-slave type socket system 3 of the present invention can solve problems such as convenience, fail safe and saving, simultaneously, can also reach the green energy resource (code requirement of Standby Power＜1W).
Cooperate Fig. 3, please refer to Fig. 5, be the schematic appearance of second embodiment of the invention.The identical person with first embodiment of assembly in second embodiment of the invention indicates with same-sign.Second embodiment is identical with the effect of reaching with the circuit operation principle of first embodiment, its main difference be in: master-slave type socket system 301 its outward appearances of second embodiment of the invention further include a master switch 33, master switch 33 is arranged on the body 31, is coupled to the control circuit 35 of body 31 inside.
Cooperate Fig. 4, please refer to Fig. 6, be the circuit block diagram of second embodiment of the invention.The identical person with first embodiment of assembly in second embodiment of the invention indicates with same-sign.Second embodiment is identical with the effect of reaching with the circuit operation principle of first embodiment, its main difference be in: the circuit of the master-slave type socket system 301 of second embodiment of the invention further includes master switch 33, and master switch 33 is coupled between ac plug 30 and baseplug 34, direct power socket 37, power switch 351 and the power supply unit 356.Described master switch 33 is used for controlling the alternating current AC that ac plug 30 imports, and conducting or cut off baseplug 34, direct power socket 37, power switch 351 and power supply unit 356 is to provide the safety of user's electricity consumption.
In sum, master-slave type socket system of the present invention provide baseplug (Master) with from socket (Slave), wherein, when the electric product that is plugged on baseplug (Master) reaches enough electric currents, will conducting from socket (Slave), allow the electric product that is plugged on from socket (Slave) also and then open.And when the electric product that is plugged on baseplug (Master) is closed or when entering park mode, be plugged on from the electric product of socket (Slave) and also can and then close.Therefore, master-slave type socket system provided by the invention can solve problems such as convenience, fail safe and saving, simultaneously, can also reach the green energy resource (code requirement of Standby Power＜1W).
The above only is in order to explain preferred embodiment of the present invention; be not that attempt is done any pro forma restriction to the present invention according to this; so, all have following of identical spirit do relevant any modification or change, all should be included in the category that the invention is intended to protect.
Claims (10)
1. a master-slave type socket system is characterized in that, comprising:
One ac plug receives an alternating current;
At least one baseplug couples described ac plug;
At least one from socket;
One power switch, its first end couples described ac plug, and second end of described power switch is coupled to described from socket;
One current transformer is coupled to described baseplug, receives a feedback current from described baseplug, and exports an induced signal;
One operational amplifier, be coupled to described current transformer, described operational amplifier amplifies and more described induced signal and one first reference voltage, to export one first control signal, and, described operational amplifier amplifies and more described induced signal and one second reference voltage, to export one second control signal;
One power supply unit is coupled to described ac plug, described operational amplifier and described power switch, is controlled by described first control signal, offers described power switch described alternating current is converted to a supply voltage; And
One driver is coupled to described operational amplifier and described power switch, receives described second control signal and exports a drive signal to described power switch, is used to control the switching of described power switch.
2. master-slave type socket system as claimed in claim 1 is characterized in that:
Described power supply unit couples described operational amplifier by one first optical coupling switch, and described driver couples described operational amplifier by an electric current acquisition component, and described power switch is a relay or other power switch.
3. master-slave type socket system as claimed in claim 1 is characterized in that, further comprises:
At least one direct power socket, described direct power socket all is coupled to described ac plug.
4. master-slave type socket system as claimed in claim 1 is characterized in that:
Described driver is a transistor, a field-effect transistor or a drive IC, and described power supply unit is an AC/DC converter.
5. a master-slave type socket system is characterized in that, comprising:
One ac plug receives an alternating current;
One master switch, its first end is coupled to described ac plug;
At least one baseplug couples second end of described master switch;
At least one from socket;
One power switch, its first end couples second end of described master switch, and second end of described power switch is coupled to described from socket;
One current transformer is coupled to described baseplug, receives a feedback current from described baseplug, and exports an induced signal;
One operational amplifier, be coupled to described current transformer, described operational amplifier amplifies and more described induced signal and one first reference voltage, to export one first control signal, and, described operational amplifier amplifies and more described induced signal and one second reference voltage, to export one second control signal;
One power supply unit is coupled to second end of described master switch, described operational amplifier and described power switch, is controlled by described first control signal, offers described power switch described alternating current is converted to a supply voltage; And
One driver is coupled to described operational amplifier and described power switch, receives described second control signal and exports a drive signal to described power switch, is used to control the switching of described power switch.
6. master-slave type socket system as claimed in claim 5 is characterized in that:
Described power supply unit couples described operational amplifier by one first optical coupling switch, and described driver couples described operational amplifier by an electric current acquisition component.
7. master-slave type socket system as claimed in claim 5 is characterized in that:
Described power switch is a relay or other power switch.
8. master-slave type socket system as claimed in claim 5 is characterized in that, further comprises:
At least one direct power socket, described direct power socket all is coupled to second end of described master switch.
9. master-slave type socket system as claimed in claim 5 is characterized in that:
Described driver is a transistor or a field-effect transistor or a drive IC.
10. master-slave type socket system as claimed in claim 5 is characterized in that:
Described power supply unit is an AC/DC converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100990519A CN101582550B (en) | 2008-05-15 | 2008-05-15 | Master-slave type socket system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100990519A CN101582550B (en) | 2008-05-15 | 2008-05-15 | Master-slave type socket system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101582550A true CN101582550A (en) | 2009-11-18 |
| CN101582550B CN101582550B (en) | 2011-06-29 |
Family
ID=41364570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100990519A Expired - Fee Related CN101582550B (en) | 2008-05-15 | 2008-05-15 | Master-slave type socket system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101582550B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102176588A (en) * | 2010-12-23 | 2011-09-07 | 东莞欧陆电子有限公司 | Multi-power-source allocation device and control method |
| WO2011143829A1 (en) * | 2010-05-21 | 2011-11-24 | Marlon Galsim | Method and apparatus for controlling distribution of power |
| CN102354971A (en) * | 2010-05-21 | 2012-02-15 | G·马龙 | Method and device for controlling power splitting |
| CN102738663A (en) * | 2011-04-13 | 2012-10-17 | 谭朝云 | Intelligent energy-saving power socket |
| CN103378715A (en) * | 2012-04-13 | 2013-10-30 | 胜德国际研发股份有限公司 | Power supply extension line |
| US10459464B2 (en) | 2012-09-03 | 2019-10-29 | Schneider Electric It Corporation | Method and apparatus for controlling distribution of power |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000006660A (en) * | 1999-09-22 | 2000-02-07 | 김형광 | Data protection recepatacles for power saving |
| CN2498765Y (en) * | 2001-06-18 | 2002-07-03 | 升文实业有限公司 | Electric power socket with power linked control |
| CN2519487Y (en) * | 2001-12-20 | 2002-10-30 | 何飚 | Power supply switch socket |
| CN2534717Y (en) * | 2002-03-21 | 2003-02-05 | 周义雄 | Primary/secondary socket controller |
| CN2932734Y (en) * | 2006-06-01 | 2007-08-08 | 上海久隆电力科技有限公司 | Computer intelligent electricity-saving socket |
| CN200956465Y (en) * | 2006-08-01 | 2007-10-03 | 崔卿彬 | Time-delay power-off master-slave power socket |
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2008
- 2008-05-15 CN CN2008100990519A patent/CN101582550B/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011143829A1 (en) * | 2010-05-21 | 2011-11-24 | Marlon Galsim | Method and apparatus for controlling distribution of power |
| CN102354971A (en) * | 2010-05-21 | 2012-02-15 | G·马龙 | Method and device for controlling power splitting |
| CN102354971B (en) * | 2010-05-21 | 2014-01-01 | 美国能量变换公司 | Method and device for controlling power splitting |
| US9047071B2 (en) | 2010-05-21 | 2015-06-02 | Schneider Electric It Corporation | Method and apparatus for controlling distribution of power |
| CN102176588A (en) * | 2010-12-23 | 2011-09-07 | 东莞欧陆电子有限公司 | Multi-power-source allocation device and control method |
| CN102176588B (en) * | 2010-12-23 | 2014-03-05 | 东莞欧陆电子有限公司 | Multi-power-source allocation device and control method |
| CN102738663A (en) * | 2011-04-13 | 2012-10-17 | 谭朝云 | Intelligent energy-saving power socket |
| CN102738663B (en) * | 2011-04-13 | 2015-11-18 | 谭朝云 | Intelligent energy-saving power socket |
| CN103378715A (en) * | 2012-04-13 | 2013-10-30 | 胜德国际研发股份有限公司 | Power supply extension line |
| US9190843B2 (en) | 2012-04-13 | 2015-11-17 | Powertech Industrial Co., Ltd. | Power strip |
| US10459464B2 (en) | 2012-09-03 | 2019-10-29 | Schneider Electric It Corporation | Method and apparatus for controlling distribution of power |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101582550B (en) | 2011-06-29 |
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Granted publication date: 20110629 |
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