CN106329231B - Flush plug receptacle - Google Patents
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- CN106329231B CN106329231B CN201510340276.9A CN201510340276A CN106329231B CN 106329231 B CN106329231 B CN 106329231B CN 201510340276 A CN201510340276 A CN 201510340276A CN 106329231 B CN106329231 B CN 106329231B
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Abstract
The invention discloses a kind of flush plug receptacles.Flush plug receptacle includes Socket casing, output terminal, power-switching circuit and load detecting circuit.Output terminal is set to the side of Socket casing, to export DC output voltage.Power-switching circuit is set within Socket casing, to convert input voltage into DC output voltage according to control signal.Load detecting circuit receives the identification signal that electronic device issues, and export control signal according to identification signal to adjust the voltage quasi position of DC output voltage to be connected to the output the period of the day from 11 p.m. to 1 a.m in electronic device.
Description
Technical field
Disclosure of the present invention is about a kind of flush plug receptacle, especially with regard to a kind of burying with a variety of output modes
Swan socket.
Background technique
Recently, how popularizing with various portable electronic equipment such as smartphone, tablet computer etc., meet row
The charge requirement of dynamic electronic equipment is the important research topic in this field.Among various charging equipments, wall flush type leads to
It is gradually increased with the importance of universal serial bus (Universal Serial Bus, USB) charging socket.
However, existing existing wall flush type USB charging socket can only provide single output voltage, it has been not enough to answer
Pay different intelligent today type mobile phone, the diversified charge requirement of tablet computer.In addition, existing flush type USB charging socket
Still there is fixed power dissipation when standby, unnecessary power supply is caused to waste.
Summary of the invention
To solve the above-mentioned problems, an aspect of disclosure of the present invention is a kind of flush plug receptacle.Flush plug receptacle packet
Containing Socket casing, output terminal, power-switching circuit and load detecting circuit.Output terminal is set to the one of Socket casing
Side, to export DC output voltage.Power-switching circuit is set within Socket casing, to according to control signal will be defeated
Enter voltage and is converted to DC output voltage.Load detecting circuit receives electronics to be connected to the output the period of the day from 11 p.m. to 1 a.m in electronic device
The identification signal that device issues, and control signal is exported to adjust the voltage quasi position of DC output voltage according to identification signal.
In an embodiment of this disclosure, flush plug receptacle further includes driving circuit.Driving circuit is to receive control
Signal processed, and according to control signal output drive signal.Power-switching circuit is to receive driving signal and according to driving signal
Convert input voltage into DC output voltage.
In an embodiment of this disclosure, driving signal is pulse width modulation signal.
In an embodiment of this disclosure, flush plug receptacle further includes isolation circuit.Isolation circuit is electrically connected at
Between load detecting circuit and driving circuit.Load detecting circuit outputs control signals to driving circuit by isolation circuit.
In an embodiment of this disclosure, power-switching circuit includes transformer and switching switch.Transformer packet
Containing primary side and secondary side.Secondary side is to export DC output voltage.Switching switch is electrically connected at primary side and driving
Circuit, to be selectively turned on or be turned off according to driving signal, so that the voltage quasi position of transformer output DC output voltage
Corresponding to driving signal.
In an embodiment of this disclosure, power-switching circuit further includes current rectifying and wave filtering circuit.Current rectifying and wave filtering circuit
It is electrically connected at primary side, to convert input voltage into rectified voltage signal, wherein primary side is to receive rectified voltage
Signal.
In an embodiment of this disclosure, load detecting circuit more to electronic device export cut-off signals when,
Exporting control signal according to cut-off signals makes power-switching circuit stop powering to electronic device.
In an embodiment of this disclosure, output terminal includes output pin position, grounding leg position and identification foot position.It is defeated
Foot position is to export DC output voltage out.Identify foot position to receive identification signal.
In an embodiment of this disclosure, output terminal further includes device detection foot position.It is electrical that device detects foot position
It is connected to grounding leg position, so that device detects foot position and grounding leg position is short-circuit simultaneously when electronic device is connected to the output the period of the day from 11 p.m. to 1 a.m
Whether ground connection, be connected to the output son with detection electronic installation.
In an embodiment of this disclosure, load detecting circuit to device detection foot position detection electronic installation with
Output control signal when output terminal disconnects, so that power-switching circuit stops output DC output voltage.
In an embodiment of this disclosure, output terminal is Universal Serial Bus Interface.
In an embodiment of this disclosure, load detecting circuit output control signal is to adjust DC output voltage
Voltage quasi position is any value between 0 volt~50 volts.
Another aspect of this case is a kind of flush plug receptacle.Flush plug receptacle includes input terminal, output terminal, rectification filter
Wave circuit, transformer, load detecting circuit, driving circuit and switching switch.Current rectifying and wave filtering circuit is electrically connected at input terminal
Son, to convert input voltage into rectified voltage signal.Transformer includes primary side and secondary side, and primary side is electrically connected
In current rectifying and wave filtering circuit, secondary side is electrically connected at output terminal, to export DC output voltage according to rectified voltage signal.
Load detecting circuit is electrically connected at output terminal, to be connected to the output the period of the day from 11 p.m. to 1 a.m in electronic device, receives electronic device hair
Identification signal out, and control signal is exported according to identification signal.Driving circuit is electrically connected at load detecting circuit, to connect
Control signal is received, and according to control signal output drive signal.Switching switch, is electrically connected at primary side and the driving of transformer
Circuit, to be selectively turned on or be turned off according to driving signal, so that the voltage quasi position of transformer output DC output voltage
Corresponding to driving signal.
In an embodiment of this disclosure, load detecting circuit more to electronic device export cut-off signals when,
Control signal is exported according to cut-off signals, so that transformer stops output DC output voltage.
In an embodiment of this disclosure, output terminal includes output pin position, grounding leg position and identification foot position.It is defeated
Foot position is to export DC output voltage out.Identify foot position to receive the identification signal.
In an embodiment of this disclosure, output terminal further includes device detection foot position.It is electrical that device detects foot position
It is connected to grounding leg position, so that device detects foot position and grounding leg position is short-circuit simultaneously when electronic device is connected to the output the period of the day from 11 p.m. to 1 a.m
Whether ground connection, be connected to the output son with detection electronic installation.
In an embodiment of this disclosure, load detecting circuit to device detection foot position detection electronic installation with
Output control signal when output terminal disconnects, so that transformer stops output DC output voltage.
In an embodiment of this disclosure, flush plug receptacle further includes isolation circuit.Isolation circuit is electrically connected at
Between load detecting circuit and driving circuit.Load detecting circuit outputs control signals to driving circuit by isolation circuit.
In an embodiment of this disclosure, output terminal is Universal Serial Bus Interface.
In an embodiment of this disclosure, load detecting circuit output control signal is to adjust DC output voltage
Voltage quasi position is any value between 0 volt~50 volts.
In conclusion the flush plug receptacle in this disclosure judges electricity by receiving the identification signal of electronic device output
Voltage quasi position needed for sub-device, and the operation of power-switching circuit is controlled accordingly.In this way, which flush plug receptacle can provide
A variety of powering modes and adjust automatically output, to meet the power demands of electronic device.Compared with prior art, the present invention discloses
The flush plug receptacle of content has clear advantage and beneficial effect.By above-mentioned technical proposal, can reach comparable technology into
Step, and with the extensive utility value in industry.
Detailed description of the invention
Fig. 1 is the appearance diagram of the flush plug receptacle according to depicted in one embodiment of this disclosure；
Fig. 2 is the internal circuit schematic diagram of the flush plug receptacle according to depicted in one embodiment of this disclosure；
Fig. 3 is the internal circuit schematic diagram of the flush plug receptacle according to depicted in one embodiment of this disclosure；
Fig. 4 A and Fig. 4 B is the schematic diagram of the output terminal according to depicted in one embodiment of this disclosure；
Fig. 5 is the internal circuit schematic diagram of the flush plug receptacle according to depicted in one embodiment of this disclosure.
Wherein, appended drawing reference:
100 flush plug receptacles
120 Socket casings
140 output terminals
200 flush plug receptacles
210 input terminals
220 power-switching circuits
230 current rectifying and wave filtering circuits
232 over-current protecting elements
234 EMI FILTERs
236 rectification units
240 load detecting circuits
252 over-voltage protection modules
254 overcurrent protection modules
256 overpower protection modules
258 over-temperature protection modules
260 driving circuits
270 current rectifying and wave filtering circuits
280 isolation circuits
290 output terminals
400 output terminals
420 output pin positions
440 D- foot positions
460 D+ foot positions
480 grounding leg positions
490 devices detect foot position
T1 transformer
Q1 switching switch
Vin input voltage
Vout DC output voltage
V1 rectified voltage signal
CS controls signal
PWM driving signal
VO output pin position
Gnd grounding leg position
ID identifies foot position
EN device detects foot position
S_VO detects signal
S_ID identification signal
S_EN device detects signal
Specific embodiment
It hereafter elaborates for embodiment cooperation institute's accompanying drawings, to better understand the invention the aspect of disclosure,
But provided embodiment, which is not intended to limit the invention, discloses covered range, and the description of structure operation is non-to limit
Its sequence executed, it is all appended by the present invention that any structure reconfigured by element is produced to have equal and other effects device
Scope of protection of the claims.In addition, according to the standard and practice of industry, schema is only for the purpose of aiding in illustrating, not
It maps according to full size, the size of actually various features can be increased or decreased arbitrarily in order to illustrate.Phase in following the description
It will be illustrated with element with identical symbology in order to understanding.
The word (terms) used in full piece specification and claim usually has in addition to having and especially indicating
Each word using in the content disclosed in this area, herein with the usual meaning in special content.It is certain to describe this
The word of exposure by it is lower or this specification other places discuss, to provide those skilled in the art in the description in relation to this exposure
Upper additional guidance.
In addition, word used in herein include including have, containing etc., be open term, i.e.,
Mean including but not limited to.In addition, it is used herein and/or, comprising in associated listed items one or more projects appoint
Meaning one and its all combination.
In this article, when an element, which is referred to as, to be connected or couple, electric connection or electric property coupling be can refer to.Connection or coupling
Also it can be used to indicate to be collocated with each other operation or interaction between two or multiple element.Although in addition, used herein first, second ...
Equal terms describe different elements, which is only to distinguish with the element of same technique term description or operation.Unless up and down
Text clearly indicates that otherwise order or cis-position are not especially censured or implied to the term, also non-to limit the present invention.
Referring to FIG. 1, the appearance that Fig. 1 is the flush plug receptacle 100 according to depicted in one embodiment of this disclosure is illustrated
Figure.In the present embodiment, flush plug receptacle 100 includes Socket casing 120, at least an output terminal 140 and input terminal be not (
It is painted).Flush plug receptacle 100 is mountable in wall, receives input voltage (such as: 110 volts or 220 from alternating current by input terminal
The ac signal of volt), and the power-switching circuit by being set within Socket casing 120 (not being painted) converts input voltage
For the DC output voltage of appropriate level.
It is worth noting that, in part embodiment, input voltage can be for from the received alternating voltage of alternating current, but this case is simultaneously
It is not limited.In part embodiment, input voltage also can be DC voltage.
Output terminal 140 is set to the side of Socket casing 120 in the present embodiment, to export DC output voltage with
It powers to electronic device.As shown in Figure 1, flush plug receptacle 100 more may include multiple output terminals 140 in part embodiment,
To power simultaneously to multiple electronic devices.
Specifically, output terminal 140 can be universal serial bus (Universal Serial Bus, USB) interface, and
The DC output voltage is exported by the output pin position (such as: Vbus foot position) on universal serial bus, on universal serial bus
Identify foot position (such as: the SSRX foot position and SSTX foot position, USB3.1type-C of USB 2.0D+ foot position, D- foot position or USB 3.0
CC1 foot position, CC2 foot position etc.) receive the identification signal of electronic device output.In this way, which flush plug receptacle 100 can root
Corresponding DC output voltage is provided according to the different type of electronic device and demand.For example, the voltage of DC output voltage
Level can be any value between 0 volt (V)~50 volt (V).
The concrete operations mode for the identification signal adjustment DC output voltage that flush plug receptacle is exported according to electronic device will
Collocation Fig. 2 is illustrated.Fig. 2 is that the internal circuit of the flush plug receptacle 200 according to depicted in one embodiment of this disclosure shows
It is intended to.
As shown in Fig. 2, flush plug receptacle 200 includes input terminal 210, power-switching circuit 220, bears in the present embodiment
Carry detection circuit 240, driving circuit 260 and output terminal 290.Output terminal 290 includes output pin position VO, grounding leg position
Gnd and identification foot position ID.In structure, power-switching circuit 220 is electrically connected at input terminal 210 and output terminal 290
Between.Load detecting circuit 240 is electrically connected at output terminal 290.Driving circuit 260 is electrically connected at power-switching circuit
Between 220 and load detecting circuit 240.
Input terminal 210 is to receive input voltage vin (such as: 110 volts or 220 volts of ac signal) from alternating current.It is defeated
Terminal 290 is to export DC output voltage Vout out.
Power-switching circuit 220 is to be converted to DC output voltage Vout for input voltage vin according to control signal CS.
Specifically, power-switching circuit 220 can be turned by various isolated form high frequency electric source converter circuits, such as flyback (Fly-back)
Parallel operation or forward type (Forward) converter etc. are realized.
Load detecting circuit 240, to receive electronic device hair when external electronic is connected to the output son 290
Identification signal S_ID out, and control signal CS is exported to adjust the voltage of DC output voltage Vout according to identification signal S_ID
Level.In the present embodiment, identification signal S_ID can be received by the identification foot position ID in output terminal 290.
The control signal CS that load detecting circuit 240 exports will be received by driving circuit 260.Driving circuit 260 receives control
It, can be according to control signal CS output drive signal PWM after signal CS processed.Power-switching circuit 220 receives driving signal PWM and root
Input voltage vin is converted into the DC output voltage Vout with appropriate voltage level according to driving signal PWM.Implement in part
In example, driving signal PWM is pulse width modulation signal.
It is worth noting that, load detecting circuit 240 more can receive phase by voltage detector component in part embodiment
It should be in the detection signal S_VO of DC output voltage Vout, to judge whether DC output voltage Vout is in the voltage position of target
Standard, and controlled accordingly.
Load detecting circuit 240 and driving circuit 260 can be realized by number or analog circuit, can also be integrated respectively by various
Circuit chip (integrated circuit, IC) is realized.One skilled in the art can select to bear according to actual needs
Carry the specific implementation of detection circuit 240 and driving circuit 260.
Referring to FIG. 3, Fig. 3 is the internal circuit of the flush plug receptacle 200 according to depicted in one embodiment of this disclosure
Schematic diagram.As shown in Fig. 3, power-switching circuit 220 include transformer T1, switching switch Q1, current rectifying and wave filtering circuit 230 and
Current rectifying and wave filtering circuit 270.In structure, current rectifying and wave filtering circuit 230 is electrically connected at the primary of input terminal 210 and transformer T1
Between side.The first end of switching switch Q1 is electrically connected at the primary side of transformer T1, and second end is electrically connected on high-tension side connect
Ground terminal, control terminal are electrically connected at driving circuit 260.Current rectifying and wave filtering circuit 270 is electrically connected at output terminal 290 and transformer
Between the secondary side of T1.
In the present embodiment, current rectifying and wave filtering circuit 230 is to be converted to rectified voltage signal V1 for input voltage vin.It lifts
For example, current rectifying and wave filtering circuit 230 may include over-current protecting element 232, EMI FILTER (electromagnetic
Interference filter, EMI filter) 234 and rectification unit 236.Over-current protecting element 232 is (such as: fuse
Deng) input terminal 210 can be disconnected when input current is more than upper safety limit because of the generation of the accidents such as system exception or equipment fault
With the current loop between transformer T1, damaged to avoid the circuit element in flush plug receptacle 200.EMI FILTER
234 can filter out the high-frequency noise composition in input voltage vin.Finally, the input voltage vin filtered out after high-frequency noise composition passes through
Rectification unit 236 is converted to rectified voltage signal V1.Rectification unit 236 can be realized by rectifier cells such as bridge rectifiers.
The control terminal driving circuit 260 for switching switch Q1 receives driving signal PWM, so that switching switch Q1 is according to driving
Signal PWM is selectively turned on or is turned off, to adjust the rectified voltage signal V1 of transformer T1 primary side.For example, it is driving
Dynamic signal PWM is in the embodiment of pulse width modulation signal, and driving circuit 260 can be by adjusting pulse width modulation signal
The rectified voltage signal V1 of responsibility cycle (duty cycle) control transformer T1 primary side.In this way, which driving circuit 260 is just
The DC output voltage Vout of transformer T1 secondary side output can be indirectly controlled, so that the direct current output electricity of transformer T1 output
The voltage quasi position of Vout is pressed to correspond to driving signal PWM.
In other words, when electronic device is connected to the output son 290, knowledge of the load detecting circuit 240 from output terminal 290
After other foot position ID receives the identification signal S_ID of electronic device transmission, electronic device can be judged according to identification signal S_ID
DC output voltage Vout needed for type or electronic device, and the corresponding control signal CS of output accordingly.Driving circuit 260
Corresponding driving signal PWM is exported according to control signal CS, different responsibility cycles is made it have by adjusting driving signal PWM
The conducting and shutdown of control switching switch Q1, and then adjust the voltage quasi position of DC output voltage Vout.For example, driving electricity
The responsibility cycle that driving signal PWM can be improved in road 260 improves the voltage quasi position of DC output voltage Vout, or reduces and drive
The responsibility cycle of dynamic signal PWM reduces the voltage quasi position of DC output voltage Vout etc..It is connect according to identification foot position ID
Receive the type of identification signal S_ID, DC output voltage Vout can be arranged to 0 volt, 5 volts, 10 volts, 12 volts, 15 volts, 30 volts,
40 volts, 50 volts etc. different voltage quasi positions can also be arranged to any value between 0 volt (V)~50 volt (V).
In this way, which flush plug receptacle 100 can provide variable output voltage, and there are a variety of powering modes, it can be certainly
Dynamic adjustment is exported to meet the power demands of distinct device, is promoted and is used upper convenience.
In part embodiment, the DC output voltage Vout of transformer T1 output can further pass through current rectifying and wave filtering circuit
270 carry out rectifying and wave-filtering, so that electronic device meets demand from the DC output voltage Vout that output terminal 290 receives.This
Field, which has usual skill, will understand how by the electronic components implementation such as capacitor-inductor current rectifying and wave filtering circuit 270, not in this
It repeats again.
It is worth noting that, power-switching circuit 220 can further include various circuit protection moulds in part embodiment
Block, such as overvoltage protection shown in Fig. 3 (Over Voltage protection) module 252, overcurrent protection (Over
Current protection) module 254, overpower protection (Over Power protection) module 256 and excess temperature
Protect (Over Temperature protection) module 258 etc..Foregoing circuit protective module 252~258 can exist respectively
The corresponding protection signal PS1~PS4 of output is to driving circuit 260 when detecting system exception so that driving circuit 260 stop it is defeated
The operation of driving signal PWM and then stopping power-switching circuit 220 out.It is worth noting that, circuit protection module can respectively by
Various types of numbers or analog circuit are realized, can also be realized respectively by different IC chips, or be integrated into single
IC chip.
It is used in addition, circuit protection module is also merely illustrative as shown in the figure, not to limit this disclosure.Citing comes
Say, although over-voltage protection module 252 depicted in Fig. 3, overcurrent protection module 254, overpower protection module 256 and
Over-temperature protection module 258 is configured at the high-pressure side of power-switching circuit 220, but circuit protection module also can be according to actual needs
It is set to low-pressure side.Power-switching circuit 220 also may include short circuit protection module (Over Current protection) etc. its
Circuit protection module known to his those skilled in the art.
In addition, the flush plug receptacle 200 in the present embodiment more wraps in order to suitably completely cut off the high-pressure side transformer T1 and low-pressure side
Containing isolation circuit 280.Isolation circuit 280 is electrically connected between load detecting circuit 240 and driving circuit 260.Load detecting
Circuit 240 can export control signal CS to driving circuit 260, to avoid between high-pressure side and low-pressure side by isolation circuit 280
Signal interference.For example, isolation circuit 280 may include optocoupler components (Opto-isolator/Optical
Coupler) to realize electrical isolation.
In one embodiment of this disclosure, load detecting circuit 240 other than adjustable DC output voltage Vout,
Load detecting circuit 240 more can be used to when external electronic device exports cut-off signals, export control letter according to cut-off signals
Number CS, so that power-switching circuit 220 stops powering to electronic device.
For example, when external electronic device such as tablet computer or smartphone charging are near completion,
Export identification foot position ID of the cut-off signals into output terminal 290.It is just defeated when load detecting circuit 240 receives cut-off signals
Control signal CS control driving circuit 260 stops output drive signal PWM and then stops power-switching circuit 220 accordingly out
Operation.Power-switching circuit 220 just stops exporting DC output voltage Vout.In this way, power-switching circuit 220 and driving
Circuit 260 can avoid power consumption additional produced by operating in the standby state, reduce unnecessary power supply waste, reach
To energy-efficient effect.
In part embodiment, the operation for starting or stoping power-switching circuit 220 and driving circuit 260 also can be by mechanism
Device is judged.Please refer to Fig. 4 A and Fig. 4 B.Fig. 4 A and Fig. 4 B is the output according to depicted in one embodiment of this disclosure
The schematic diagram of terminal 400.For ease of illustration for the sake of, the embodiment for the Fig. 2 and Fig. 3 that arranges in pairs or groups is illustrated by Fig. 4 A and Fig. 4 B, but this
Disclosure is not limited thereto.
As shown in the figure, output terminal 400 is universal serial bus (USB) interface in the present embodiment, includes output pin
Position (Vbus) 420, D- foot position 440, D+ foot position 460, grounding leg position 480.Output pin position 420 is to export DC output voltage
Vout.D- foot position 440 and D+ foot position 460 can be used as the identification foot position ID as depicted in Fig. 2 and Fig. 3, to receive identification letter
Number S_ID.In addition to this, output terminal 400 further includes device detection foot position 490.As shown in the figure, 490 electricity of device detection foot position
Property be connected to grounding leg position 480 so that device detects foot position 490 and grounding leg when electronic device is connected to the output son 400
Whether position 480 while short circuit grounding are connected to the output son 400 with detection electronic installation.
In other words, flush plug receptacle 200 can detect the corresponding signal of foot position 490 according to device, judge that electronic device connects
When being disconnected to output terminal 400 or with output terminal 400.In this way, which load detecting circuit 240 can detect foot in device
Output phase (that is: when electronic device is pulled out from flush plug receptacle 200) when 490 detection electronic installations of position and output terminal 400 disconnect
Signal CS should be controlled, so that power-switching circuit 220 stops output DC output voltage Vout.
Relatively, load detecting circuit 240 also can detect 490 detection electronic installation of foot position and be connected to the output in device
The corresponding control signal CS of output, starting driving circuit 260 (that is: when electronic device and flush plug receptacle 200 connect) when son 400
And power-switching circuit 220, so that power-switching circuit 220 starts to export DC output voltage Vout to supply electronic device
Electricity.
Although this disclosure is simultaneously it is worth noting that, the output terminal 400 that Fig. 4 A, 4B are painted is USB2.0 interface
It is not limited.Device detection foot position 490 also may be disposed at the USB interface of 3.0 or more versions, and connect with corresponding grounding leg position
It connects, so that flush plug receptacle detects and judges whether electronic device is inserted into.
It is the inside of the flush plug receptacle 200 according to depicted in one embodiment of this disclosure please also refer to Fig. 5, Fig. 5
Circuit diagram.The internal circuit of the flush plug receptacle 200 of Fig. 5 can cooperate the output depicted in Fig. 4 A, 4B comprising mechanism arrangement
Terminal 400 is operated.It is compared with embodiment depicted in Fig. 3, in embodiment depicted in Fig. 5, output terminal 290 is further included
Device detects foot position EN.Load detecting circuit 240 is more to detect signal S_EN from device detection foot position EN reception device.So
One, load detecting circuit 240 can determine whether to start or close according to the voltage quasi position that device detects signal S_EN to drive
Dynamic circuit 260 and power-switching circuit 220, and corresponding control signal CS is exported to driving circuit by isolation circuit 280
260 are controlled.
It is worth noting that, in part embodiment, starting or stoping power-switching circuit 220 as described in previous paragraph
Operation with driving circuit 260 can also be controlled by the identification signal S_ID that electronic device transmits.Fig. 4 A, 4B illustrated embodiment
In be only one of possible embodiment of this case whether detect the connection of 490 detection electronic installation of foot position by setting device, and
It is non-to limit this case.
In conclusion the embedment in content is expressed in multiple embodiments disclosed by disclosure, this exposure according to the present invention
Voltage quasi position needed for formula socket judges electronic device by the identification signal of reception electronic device output, and power supply is controlled accordingly
The operation of conversion circuit.In this way, which flush plug receptacle can provide a variety of powering modes and adjust automatically output, to meet electricity
The power demands of sub-device.
In addition, disclosure flush plug receptacle of the present invention can be examined by identification signal or device in part embodiment
Survey signal judge whether electronic device connect with flush plug receptacle, decide whether starting internal circuit operate, reduce whereby to
Unnecessary power consumption under machine state, reaches energy-efficient effect.
Although disclosure of the present invention is disclosed above with embodiment, content that however, it is not to limit the invention is appointed
What those skilled in the relevant technical field, in the spirit and scope for not departing from the content of present invention, when can make various changes with
Retouching, but these accordingly change and retouch the protection scope that all should belong to appended claims of the present invention.
Claims (20)
1. a kind of flush plug receptacle, characterized by comprising:
One input terminal, to receive an input voltage from alternating current；
One Socket casing；
One output terminal is set to the side of the Socket casing, to export a DC output voltage to supply an electronic device
Electricity；
One load detecting circuit, when the electronic device is connected to the output terminal, to receive the one of electronic device sending
Identification signal, and one control signal of output after voltage quasi position needed for judging the electronic device according to the identification signal；And
One power-switching circuit is set within the Socket casing, to be converted to the input voltage according to the control signal
One corresponds to the DC output voltage with appropriate voltage level of the identification signal to be adapted to needed for the electronic device
Voltage quasi position.
2. flush plug receptacle as described in claim 1, which is characterized in that further include:
One drive circuit exports a driving signal to receive the control signal, and according to the control signal；
Wherein the power-switching circuit is to receive the driving signal and the input voltage is converted to this according to the driving signal
DC output voltage.
3. flush plug receptacle as claimed in claim 2, which is characterized in that the driving signal is a pulse width modulation signal.
4. flush plug receptacle as claimed in claim 2, which is characterized in that further include:
One isolation circuit is electrically connected between the load detecting circuit and the driving circuit；
Wherein the load detecting circuit exports the control signal to the driving circuit by the isolation circuit.
5. flush plug receptacle as claimed in claim 2, which is characterized in that the power-switching circuit includes:
One transformer includes a primary side and a secondary side, and the secondary side is to export the DC output voltage；And
One switching switch, is electrically connected at the primary side and the driving circuit, and switching switch according to the driving signal to select
Selecting property ground on or off, so that the transformer exports the voltage quasi position of the DC output voltage corresponding to the driving signal.
6. flush plug receptacle as claimed in claim 5, which is characterized in that the power-switching circuit further includes:
One current rectifying and wave filtering circuit is electrically connected at the primary side, should the input voltage is converted to a rectified voltage signal
Primary side is to receive the rectified voltage signal.
7. flush plug receptacle as described in claim 1, which is characterized in that the load detecting circuit is more in the electronic device
When exporting a cut-off signals, the control signal is exported according to the cut-off signals, the power-switching circuit is made to stop filling the electronics
Set power supply.
8. flush plug receptacle as described in claim 1, which is characterized in that the output terminal includes:
One output pin position, to export the DC output voltage；
One grounding leg position；And
One identification foot position, to receive the identification signal.
9. flush plug receptacle as claimed in claim 8, which is characterized in that the output terminal further includes:
One device detects foot position, is electrically connected at the grounding leg position, so that when the electronic device is connected to the output terminal, it should
Device detects foot position and the grounding leg position short circuit grounding simultaneously, to detect whether the electronic device is connected to the output terminal.
10. flush plug receptacle as claimed in claim 9, which is characterized in that the load detecting circuit in the device to detect
Foot position exports the control signal when detecting the electronic device and output terminal disconnection, so that the power-switching circuit stops output
The DC output voltage.
11. flush plug receptacle as described in claim 1, which is characterized in that the output terminal is a Universal Serial Bus Interface.
12. flush plug receptacle as described in claim 1, which is characterized in that the load detecting circuit export the control signal with
The voltage quasi position for adjusting the DC output voltage is any value between 0 volt~50 volts.
13. a kind of flush plug receptacle, characterized by comprising:
One input terminal, to receive an input voltage from alternating current；
One output terminal；
One current rectifying and wave filtering circuit is electrically connected at the input terminal, the input voltage is converted to a rectified voltage signal；
One load detecting circuit is electrically connected at the output terminal, to connect when an electronic device is connected to the output terminal
An identification signal of electronic device sending is received, and defeated after voltage quasi position needed for judging the electronic device according to the identification signal
A control signal out；
One drive circuit is electrically connected at the load detecting circuit, to receive the control signal, and it is defeated according to the control signal
A driving signal out；
One transformer, the transformer include a primary side and a secondary side, which is electrically connected at rectifying and wave-filtering electricity
Road, the secondary side are electrically connected at the output terminal；And
One switching switch, is electrically connected at the primary side and the driving circuit of the transformer, to be selected according to the driving signal
Selecting property on or off to adjust the rectified voltage signal, the transformer is according to the rectified voltage signal adjusted
Output one corresponds to the DC output voltage with appropriate voltage level of the identification signal to be adapted to the electronic device institute
The voltage quasi position needed, so that the transformer exports the voltage quasi position of the DC output voltage corresponding to the driving signal.
14. flush plug receptacle as claimed in claim 13, which is characterized in that the load detecting circuit in the electronics more to fill
When setting one cut-off signals of output, the control signal is exported according to the cut-off signals, so that the transformer stopping output direct current is defeated
Voltage out.
15. flush plug receptacle as claimed in claim 13, which is characterized in that the output terminal includes:
One output pin position, to export the DC output voltage；
One grounding leg position；And
One identification foot position, to receive the identification signal.
16. flush plug receptacle as claimed in claim 15, which is characterized in that the output terminal further includes:
One device detects foot position, is electrically connected at the grounding leg position, so that when the electronic device is connected to the output terminal, it should
Device detects foot position and the grounding leg position short circuit grounding simultaneously, to detect whether the electronic device is connected to the output terminal.
17. flush plug receptacle as claimed in claim 16, which is characterized in that the load detecting circuit in the device to detect
Foot position exports the control signal when detecting the electronic device and output terminal disconnection, so that the transformer stops exporting the direct current
Output voltage.
18. flush plug receptacle as claimed in claim 13, which is characterized in that further include an isolation circuit, be electrically connected at this
Between load detecting circuit and the driving circuit；
Wherein the load detecting circuit exports the control signal to the driving circuit by the isolation circuit.
19. flush plug receptacle as claimed in claim 13, which is characterized in that the output terminal is that a universal serial bus connects
Mouthful.
20. flush plug receptacle as claimed in claim 13, which is characterized in that the load detecting circuit export the control signal with
The voltage quasi position for adjusting the DC output voltage is any value between 0 volt~50 volts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510340276.9A CN106329231B (en) | 2015-06-18 | 2015-06-18 | Flush plug receptacle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510340276.9A CN106329231B (en) | 2015-06-18 | 2015-06-18 | Flush plug receptacle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106329231A CN106329231A (en) | 2017-01-11 |
| CN106329231B true CN106329231B (en) | 2019-04-19 |
Family
ID=57732452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510340276.9A Active CN106329231B (en) | 2015-06-18 | 2015-06-18 | Flush plug receptacle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106329231B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108667122A (en) * | 2017-03-31 | 2018-10-16 | 台达电子工业股份有限公司 | Intelligent charger and its operating method are not powered off |
| CN111064280A (en) * | 2019-12-16 | 2020-04-24 | 嵊州市法佳电器有限公司 | Wireless socket adjusted through pwm wave |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2435876Y (en) * | 2000-08-17 | 2001-06-20 | 伊博电源（杭州）有限公司 | Multiple input adapter power supply |
| US6528972B2 (en) * | 2001-07-20 | 2003-03-04 | Tai-Her Yang | Voltage detection controlled shunt and voltage division circuit for a charging device |
| CN201112989Y (en) * | 2007-08-07 | 2008-09-10 | 赖丽纯 | Charging device for extended wire socket |
| US20110095728A1 (en) * | 2009-10-28 | 2011-04-28 | Superior Communications, Inc. | Method and apparatus for recharging batteries in a more efficient manner |
| US9252671B2 (en) * | 2013-04-24 | 2016-02-02 | Western Digital Technologies, Inc. | Power supply with voltage output responsive to load demand |
| CN204130836U (en) * | 2014-09-19 | 2015-01-28 | 许峰 | For the safety socket of charging pile |
-
2015
- 2015-06-18 CN CN201510340276.9A patent/CN106329231B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106329231A (en) | 2017-01-11 |
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