CN109217451A - A kind of usb circuit for intelligent water toilet pan - Google Patents
A kind of usb circuit for intelligent water toilet pan Download PDFInfo
- Publication number
- CN109217451A CN109217451A CN201811318097.5A CN201811318097A CN109217451A CN 109217451 A CN109217451 A CN 109217451A CN 201811318097 A CN201811318097 A CN 201811318097A CN 109217451 A CN109217451 A CN 109217451A
- Authority
- CN
- China
- Prior art keywords
- usb
- circuit
- mainboard
- female plug
- host
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 34
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 15
- 229910052744 lithium Inorganic materials 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 14
- 230000005611 electricity Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 2
- 230000000087 stabilizing effect Effects 0.000 claims 1
- 238000007726 management method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/70—Structural association with built-in electrical component with built-in switch
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Landscapes
- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Selective Calling Equipment (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention provides a kind of usb circuits for intelligent water toilet pan, including the first usb circuit being arranged on toilet seat host；First usb circuit includes USB female plug mouth, booster circuit, current-limiting circuit, input and output switching relay and the mainboard joint chair for connecting host mainboard；The host mainboard 12V feeder ear is connected to the both ends of relay coil, and when the host mainboard normal power supply, USB female plug mouth supply pin is connected to by the relay with current-limiting circuit output end, and 5V power supply is after current limliting by USB female plug mouth supplying power for outside；When host mainboard power-off, USB female plug mouth supply pin is connected to by the relay with booster circuit input terminal, and extraneous power supply forms 5V voltage by USB female plug mouth and booster circuit and powers to host mainboard.A kind of usb circuit for intellectual water closet provided by the invention can be used other equipment and be powered to it when the power-off of toilet seat host.
Description
Technical field
The present invention relates to USB circuit more particularly to the usb circuits of seat intellectual water closet.
Background technique
Traditional intellectual water closet is in scheduling and planning, due to the powerup issue of programming development tool, is difficult to accomplish online
Real-time simulation debugging mainframe program.Likewise, when to the host mainboard burning program of intellectual water closet, due to intellectual water closet
Powerup issue, also cannot achieve the purpose of off line burning program.And when intellectual water closet in use, once hair
Failures, the intellectual water closets such as raw power failure are not just available, the awkward situation that cannot be washed by water after causing user to go up lavatory.
Summary of the invention
The main technical problem to be solved by the present invention is to provide a kind of usb circuit for intellectual water closet, when
When intellectual water closet host powers off, other equipment can be used, it is powered.
In order to solve the above technical problems, the present invention provides a kind of usb circuit for intellectual water closet, packets
Include the first usb circuit being arranged on intellectual water closet host；
First usb circuit includes USB female plug mouth, booster circuit, current-limiting circuit, input and output switching relay
And the mainboard joint chair of connection host mainboard；The host mainboard 12V feeder ear is connected to the both ends of relay coil, when described
When host mainboard normal power supply, USB female plug mouth supply pin is connected to by the relay with current-limiting circuit output end, and 5V power supply passes through
By USB female plug mouth supplying power for outside after current limliting；When the host mainboard power-off when, the relay by USB female plug mouth supply pin with
The connection of booster circuit input terminal, extraneous power supply form 5V voltage by USB female plug mouth and booster circuit and power to host mainboard.
In a preferred embodiment: when the host mainboard normal power supply, and the USB female plug mouth and programming development tool
When connection, USB female plug mouth exports 5V voltage and powers to programming development tool.
In a preferred embodiment: when host mainboard power-off, and the USB female plug mouth is connect with burning program tool
When, the burned tool of program exports 5V voltage by USB female plug mouth and powers to host mainboard, the data transmission terminal D- of USB female plug mouth,
Data transmission terminal D-, D+ of D+ and host mainboard keep connection.
In a preferred embodiment: when the host mainboard normal power supply, and the USB female plug mouth is connect with charging equipment
When, USB female plug mouth exports 5V voltage and charges to charging equipment.
In a preferred embodiment: being connected between the 5V voltage input end of the host mainboard and the output end of booster circuit
One diode D1, so that the 5V voltage that city is electrically generated can not be exported by diode to booster circuit, and booster circuit output
5V voltage is exported by diode to the 5V voltage input end of host mainboard.
In a preferred embodiment: further including the secondary USB interface circuit of setting on a remote control；
The secondary USB interface circuit include micro-USB base, charge management circuit, lithium battery remote control mainboard and
Voltage regulator circuit；Data transmission terminal D-, D+ of the micro-USB base and data transmission terminal D-, D+ of remote controler mainboard are kept
Connection；
The charge management circuit, lithium battery and voltage regulator circuit are connected to micro-USB base 5V voltage input end in turn
Between the 3.3V voltage input end of remote controler mainboard.
In a preferred embodiment: when electric quantity of lithium battery is low, and the USB of micro-USB base and the first usb circuit
When base connects, the 5V voltage of USB female seat input charges after charge management circuit to lithium battery.
In a preferred embodiment: when lithium battery foot electricity, and the USB of micro-USB base and the first usb circuit is female
When seat connection, the 3.3V voltage that micro-USB base exports is powered by boost module to host mainboard.
Compared to the prior art, technical solution of the present invention have it is following the utility model has the advantages that
A kind of usb circuit for intellectual water closet provided by the invention, wherein being located on intellectual water closet host
The first usb circuit in be provided with input and output switching relay and booster circuit, pass through relay test host mainboard
Whether have 12V voltage input, judge if having host mainboard work normally, relay by after host mainboard 5V power supply current limliting with
The supply pin of USB female plug mouth is connected to, so that USB female plug mouth normally exports 5V voltage.If judging without if, host mainboard is powered off, relay
The supply pin of USB female plug mouth is connected to the 5V voltage input interface of host mainboard by booster circuit by device, so as to utilize
The equipment such as mobile phone, remote controler provide 5V power supply to host mainboard.When therefore avoiding power-off generation, intellectual water closet can not be carried out
The case where bath, occurs.
Detailed description of the invention
Fig. 1 is the circuit diagram of the first usb circuit in the preferred embodiment of the present invention；
Fig. 2 is the circuit diagram of secondary USB interface circuit in the preferred embodiment of the present invention.
Specific embodiment
In order to keep technical solution of the present invention clearer, now the present invention is done further specifically with attached drawing in conjunction with the embodiments
It is bright:
With reference to Fig. 1, a kind of usb circuit for intellectual water closet, including being arranged on intellectual water closet host
First usb circuit；
First usb circuit includes host mainboard interface, booster circuit and USB female plug mouth；The host mainboard
12V feeder ear be connected to input and output switching relay coil both ends, when the host mainboard normal power supply, it is described after
Electric appliance switches to the end NO, and the supply pin of USB female plug mouth is connected to current-limiting circuit output end, and host mainboard 5V power supply passes through current limliting
USB female plug confession electricity is given after circuit；When host mainboard power-off, the relay switches to the end NC, by USB female plug mouth
Supply pin is connected to the 5V voltage input interface of host mainboard by booster circuit, and extraneous power supply passes through USB female plug mouth and boosting
Module forms 5V voltage and powers to host mainboard；
In order to guarantee that the 5V power supply that city is electrically generated will not enter in boost module, the 5V voltage input end of the host mainboard
A diode D1 is connected between the output end of booster circuit so that the 5V voltage that city is electrically generated can not be exported by diode to
Booster circuit, and the 5V voltage of booster circuit output is exported by diode to the 5V voltage input end of host mainboard.To protect
It has demonstrate,proved in alternating current normal power supply, boost module will not have an effect.
Specifically, following function may be implemented in first usb circuit:
1) when the host mainboard normal power supply, and when the USB female plug mouth is connect with programming development tool, USB female plug
Mouth exports 5V voltage and powers to programming development tool.Data transmission terminal D-, D+ of USB female plug mouth and the data of host mainboard at this time
Transmission end D-, D+ keeps connection.It may therefore be assured that programming development tool is connect in real time with host mainboard, in-circuit emulation is realized
Debug the purpose of mainframe program.
2) when the host mainboard powers off, and the USB female plug mouth is connect with burning program tool, the burned tool of program
5V voltage, which is exported, by USB female plug mouth gives host mainboard power supply, data transmission terminal D-, D+ of USB female plug mouth and host mainboard
Data transmission terminal D-, D+ keep connection.Therefore the purpose of off line burning mainframe program may be implemented.
3) when the host mainboard normal power supply, and when the USB female plug mouth is connect with charging equipment, USB female plug mouth is defeated
5V voltage charges to charging equipment out.It thus allows host mainboard to become a large-scale backup power source, gives mobile phone, remote controler
Etc. equipment charge.And the presence of current-limiting circuit, which both can guarantee, is electrically charged equipment not because electric current is excessive, charge the damage such as too fast
It is bad, and the damage host mainboard such as can prevent external equipment load excessive or short circuit.
4) when host mainboard powers off, host stops working, and city is electrically generated 12V power outage, and relay switches to
The end NC.Electricity can be taken by temporary sources such as USB female plug mouth external connection battery, charger babies at this time, give host master through built-in booster circuit
The problems such as plate power supply, intelligent water toilet pan can not wash by water when can solve to have a power failure.
It further include the secondary USB interface circuit of setting on a remote control in the present embodiment with further reference to Fig. 2；
The secondary USB interface circuit include micro-USB base, charge management circuit, lithium battery remote control mainboard and
Voltage regulator circuit；Data transmission terminal D-, D+ of the micro-USB base and data transmission terminal D-, D+ of remote controler mainboard are kept
Connection；
The charge management circuit, lithium battery and voltage regulator circuit are connected to micro-USB base 5V voltage input end in turn
Between the 3.3V voltage input end of remote controler mainboard.
Specifically, following function may be implemented in secondary USB interface circuit:
1) when electric quantity of lithium battery is low, and micro-USB base is connect with the USB female seat of the first usb circuit, USB
The 5V voltage of base input charges after charge management circuit to lithium battery.
2) when lithium battery foot is electric, and micro-USB base is connect with the USB female seat of the first usb circuit, micro-
The 3.3V voltage that USB female seat exports is powered by booster circuit to host mainboard.
Above-mentioned a kind of usb circuit for intellectual water closet provided by the invention, wherein being located at intellectual water closet
It is provided with input and output switching relay and booster circuit in the first usb circuit on host, passes through relay test master
Whether mainboard has 12V voltage input, judges that host mainboard works normally if having, relay is by host mainboard 5V power supply current limliting
It is connected to afterwards with the supply pin of USB female plug mouth, so that USB female plug mouth normally exports 5V voltage.If judging without if, host mainboard is powered off,
The supply pin of USB female plug mouth is connected to the 5V voltage input interface of host mainboard by booster circuit by relay, so as to
5V power supply is provided to host mainboard using equipment such as mobile phone, remote controlers.When therefore avoiding power-off generation, intellectual water closet can not
The case where being washed by water.
The above is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and those skilled in the art can
To readily appreciate that variation disclosed in this invention or technical scope.Alternative solution is intended to cover within the scope of the invention.Cause
This, protection scope of the present invention should be determined by the scope of the claims.
Claims (8)
1. a kind of usb circuit for intellectual water closet, it is characterised in that: including be arranged on toilet seat host first
Usb circuit；
First usb circuit includes USB female plug mouth, booster circuit, current-limiting circuit, input and output switching relay and company
Connect the mainboard joint chair of host mainboard；The host mainboard 12V feeder ear is connected to the both ends of relay coil, when the host
When mainboard normal power supply, USB female plug mouth supply pin is connected to by the relay with current-limiting circuit output end, and 5V power supply passes through current limliting
Afterwards by USB female plug mouth supplying power for outside；When host mainboard power-off, the relay is by USB female plug mouth supply pin and boosts
Circuit input end connection, extraneous power supply form 5V voltage by USB female plug mouth and booster circuit and power to host mainboard.
2. a kind of usb circuit for intellectual water closet according to claim 1, it is characterised in that: as the master
Mainboard normal power supply, and when the USB female plug mouth is connect with programming development tool, USB female plug mouth exports 5V voltage to programming
Developing instrument power supply.
3. a kind of usb circuit for intellectual water closet according to claim 1, it is characterised in that: as the master
Mainboard power-off, and when the USB female plug mouth is connect with burning program tool, the burned tool of program passes through the output of USB female plug mouth
5V voltage is powered to host mainboard, and data transmission terminal D-, D+ of USB female plug mouth and data transmission terminal D-, D+ of host mainboard are protected
Hold connection.
4. a kind of usb circuit for intellectual water closet according to claim 1, it is characterised in that: as the master
Mainboard normal power supply, and when the USB female plug mouth is connect with charging equipment, USB female plug mouth exports 5V voltage to charging equipment
Charging.
5. a kind of usb circuit for intellectual water closet according to claim 1, it is characterised in that: the host
A diode D1 is connected between the 5V voltage input end of mainboard and the output end of booster circuit so that the 5V voltage that is electrically generated of city without
Method is exported by diode to booster circuit, and the 5V voltage of booster circuit output is exported by diode to the 5V of host mainboard
Voltage input end.
6. a kind of usb circuit for intellectual water closet according to any one of claims 1-5, feature exist
In: it further include the secondary USB interface circuit of setting on a remote control；
The secondary USB interface circuit includes micro-USB base, charge management circuit, lithium battery, remote controler mainboard and pressure stabilizing
Circuit；Data transmission terminal D-, D+ of the micro-USB base and data transmission terminal D-, D+ of remote controler mainboard keep connecting；
The charge management circuit, lithium battery and voltage regulator circuit are connected to micro-USB base 5V voltage input end and distant in turn
Between the 3.3V voltage input end for controlling device mainboard.
7. a kind of usb circuit for intellectual water closet according to claim 6, it is characterised in that: work as lithium battery
Electricity is low, and when micro-USB base is connect with the USB female seat of the first usb circuit, the 5V voltage warp of USB female seat input
Overcharge is charged after managing circuit to lithium battery.
8. a kind of usb circuit for intellectual water closet according to claim 6, it is characterised in that: work as lithium battery
Foot electricity, and when micro-USB base connect with the USB female seat of the first usb circuit, the 3V that micro-USB base exports is electric
Pressure is powered by boost module to host mainboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811318097.5A CN109217451B (en) | 2018-11-07 | 2018-11-07 | USB interface circuit for intelligent toilet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811318097.5A CN109217451B (en) | 2018-11-07 | 2018-11-07 | USB interface circuit for intelligent toilet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109217451A true CN109217451A (en) | 2019-01-15 |
| CN109217451B CN109217451B (en) | 2024-04-19 |
Family
ID=64994616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811318097.5A Active CN109217451B (en) | 2018-11-07 | 2018-11-07 | USB interface circuit for intelligent toilet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109217451B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102025002A (en) * | 2009-09-23 | 2011-04-20 | 鸿富锦精密工业（深圳）有限公司 | Usb battery |
| CN202798027U (en) * | 2012-05-17 | 2013-03-13 | 兰家林 | Bidirectional power supply circuit of single USB interface |
| CN203350863U (en) * | 2013-06-18 | 2013-12-18 | 天津七一二通信广播有限公司 | Bootstrap loading program circuit based on USB interface |
| CN203466583U (en) * | 2013-07-23 | 2014-03-05 | 厦门圣迪威电子科技有限公司 | Portable power source with card-reading and storage function |
| CN105471040A (en) * | 2015-12-29 | 2016-04-06 | 郑州匠芯电子科技有限公司 | Multifunctional charger capable of being powered by alternating current of direct current |
| CN206135456U (en) * | 2016-09-14 | 2017-04-26 | 北京小鸟看看科技有限公司 | Two -way USB power supply system |
| CN107604994A (en) * | 2017-09-27 | 2018-01-19 | 江苏风潮科技有限公司 | Self-power generation type intellectual water closet |
| CN208923907U (en) * | 2018-11-07 | 2019-05-31 | 越阳科技(厦门)有限公司 | Usb circuit for intellectual water closet |
-
2018
- 2018-11-07 CN CN201811318097.5A patent/CN109217451B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102025002A (en) * | 2009-09-23 | 2011-04-20 | 鸿富锦精密工业（深圳）有限公司 | Usb battery |
| CN202798027U (en) * | 2012-05-17 | 2013-03-13 | 兰家林 | Bidirectional power supply circuit of single USB interface |
| CN203350863U (en) * | 2013-06-18 | 2013-12-18 | 天津七一二通信广播有限公司 | Bootstrap loading program circuit based on USB interface |
| CN203466583U (en) * | 2013-07-23 | 2014-03-05 | 厦门圣迪威电子科技有限公司 | Portable power source with card-reading and storage function |
| CN105471040A (en) * | 2015-12-29 | 2016-04-06 | 郑州匠芯电子科技有限公司 | Multifunctional charger capable of being powered by alternating current of direct current |
| CN206135456U (en) * | 2016-09-14 | 2017-04-26 | 北京小鸟看看科技有限公司 | Two -way USB power supply system |
| CN107604994A (en) * | 2017-09-27 | 2018-01-19 | 江苏风潮科技有限公司 | Self-power generation type intellectual water closet |
| CN208923907U (en) * | 2018-11-07 | 2019-05-31 | 越阳科技(厦门)有限公司 | Usb circuit for intellectual water closet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109217451B (en) | 2024-04-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202872406U (en) | Interface multiplexing circuit and mobile terminal | |
| CN102185972B (en) | Novel mobile terminal software upgrading system and method as well as mobile terminal | |
| US20120153747A1 (en) | Usb charger, its switch control system and method, and a usb interface charger for a laptop | |
| CN101167037A (en) | Systems and methods for disabling power management in a computer system | |
| CN102593930A (en) | Charging system of mobile terminal | |
| CN208923907U (en) | Usb circuit for intellectual water closet | |
| CN107221988A (en) | The power circuit and its control method of a kind of under-voltage protection | |
| CN101299618B (en) | Real time clock circuit of intelligent mobile phone | |
| CN109217451A (en) | A kind of usb circuit for intelligent water toilet pan | |
| WO2016173081A1 (en) | Method and device for implementing connection control | |
| CN104917287A (en) | PDU power control system | |
| CN201611790U (en) | Battery charger of composite power supply | |
| JP2014030358A (en) | Battery unit for supplying power to electric/electronic apparatuses and method for supplying power | |
| TW200737649A (en) | Charger | |
| CN114443067A (en) | CPLD (complex programmable logic device) file burning system and CPLD file burning method | |
| CN111030269B (en) | Energy storage type peak shifting power consumption base station power supply system | |
| CN203911552U (en) | Mobile power supply device | |
| CN209298995U (en) | A kind of wall type wireless charging device with mobile wireless cradle | |
| CN215870895U (en) | Intelligent closestool power supply unit with external USB communication interface | |
| CN207504636U (en) | A kind of projecting apparatus with power-off protection function | |
| CN202076815U (en) | Charger | |
| CN206807046U (en) | Smart machine low battery charging indicator light switching circuit | |
| JP2009077608A (en) | Power supply apparatus | |
| CN104767083A (en) | Outage self-protection type power socket | |
| CN205319475U (en) | Can make portable power source's data line |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |