CN104810685A - Method, socket and system used for guaranteeing safe power supply - Google Patents
Method, socket and system used for guaranteeing safe power supply Download PDFInfo
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- CN104810685A CN104810685A CN201410031968.0A CN201410031968A CN104810685A CN 104810685 A CN104810685 A CN 104810685A CN 201410031968 A CN201410031968 A CN 201410031968A CN 104810685 A CN104810685 A CN 104810685A
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Abstract
The invention discloses a method, a socket and a system used for guaranteeing safe power supply. The method comprises the steps that a light modulator sends a modulation signal to an optical transmitting tube; the optical transmitting tube receives the modulation signal and continuously sends out an active optical signal; an optical receiving tube receives an echo signal, wherein the echo signal is generated by reflecting the active optical signal by an optical high-reflection film arranged on a plug; the light modulator carries out demodulation on the received echo signal so as to acquire a demodulation signal; a recognition unit judges whether the demodulation signal is located in a predetermined strength range or not; and if the demodulation signal is located in the predetermined strength range and a relay is located at an off-state, the recognition unit indicates the relay to be connected, thereby being convenient for the socket to supply power stably. According to the invention, an insertion condition of the plug can be detected in real time, the relay can be conducted only when the plug is totally inserted in the socket, and the relay is cut off after a part of the plug is pulled out of the socket, thereby ensuring the safety of users, and avoiding an arc phenomenon generated when the plug is plugged in and pulled out.
Description
Technical field
The present invention relates to the safe practice of socket, particularly a kind of method, socket and system for ensureing safe power supply.
Background technology
Along with the develop rapidly of power consumption equipment, socket becomes the indispensable forceful electric power connection device of people's Working Life.Due to forceful electric power, socket is also one of potential safety hazard in Working Life.Existing socket major part is non-intelligent design, and safety measure is only limitted to the insulation catch at jack place, also there is many deficiencies.User, in insertion or when pulling the plug out of the socket, still can get an electric shock as touched plug metal because of carelessness.In addition, existing socket is " often powering " form mostly, namely install after connecting always charged, so cause appliance plug insert and extract time beat arc phenomenon, especially high-power electric appliance, beat electric arc during plug and irreversible destruction is caused to plugs and sockets, affect useful life, bring potential safety hazard.
Some sockets with safety protection function are there are in the market, can realize being energized after plug inserts, the function of instant cut-off extracted by plug, wherein a kind of is release infrared safety protection function socket based on passive human body heat, work is started in the generation wrong diagnosis that is easily interfered, and insertion detection judges formula based on Mechanical Contact, complex structure, system cost is higher; Another kind of socket judges that plug inserts by passive light sensor, easily affects by light and judge by accident.
Summary of the invention
In view of above technical problem, the invention provides a kind of method, socket and system for ensureing safe power supply, active optics signal is sent by modulation driving, test plug can insert situation in real time, the only relay just conducting when plug inserts socket completely, when plug portion extracts socket, relay disconnects, and ensures the safety of user, the phenomenon of arc discharge produced when avoiding plug insert and extract.
According to an aspect of the present invention, a kind of method for ensureing safe power supply being provided, comprising:
Optical modulator sends modulation signal to optical emitting pipe;
Optical emitting pipe receives the modulation signal that optical modulator sends, and continues to send active optics signal;
Receive optical pipe receives echo-signal, and wherein echo-signal is carried out reflecting generation to active optics signal by the high anti-pad pasting of the optics be arranged on plug;
Optical demodulator carries out demodulation to obtain restituted signal to the echo-signal received;
Recognition unit judges whether restituted signal is within the scope of predetermined strength;
If restituted signal is within the scope of predetermined strength and relay is in off-state, then recognition unit indicating relay is connected, so that socket provides stable power-supplying.
Preferably, described method also comprises:
If restituted signal is not within the scope of predetermined strength and relay is in off-state, then recognition unit indicating relay remains open state, and continues to perform and judge whether restituted signal is in the step within the scope of predetermined strength.
Preferably, described method also comprises:
If restituted signal is within the scope of predetermined strength and relay is in on-state, then recognition unit indicating relay keeps on-state, and continues to perform and judge whether restituted signal is in the step within the scope of predetermined strength.
Preferably, described method also comprises:
If restituted signal is not within the scope of predetermined strength and relay is in on-state, then recognition unit indicating relay disconnects, to cut off the supplying power for outside of socket.
Preferably, described method also comprises:
If recognition unit detects civil power power-off signal, then indicating relay disconnects, to cut off the supplying power for outside of socket.
According to a further aspect in the invention, a kind of socket for ensureing safe power supply is provided, comprise optical modulator, active optics detecting sensor, optical demodulator, recognition unit, relay, wherein active optics detecting sensor comprises optical emitting pipe and receive optical pipe, wherein:
Optical modulator, for sending modulation signal to optical emitting pipe;
Optical emitting pipe, for receiving the modulation signal that optical modulator sends, to continue outwards to send active optics signal;
Receive optical pipe, for receiving echo-signal, wherein echo-signal is that the high anti-pad pasting of the optics be arranged on plug carries out reflecting generation to active optics signal;
Optical demodulator, for carrying out demodulation to obtain restituted signal to the echo-signal received;
Recognition unit, for judging whether restituted signal is within the scope of predetermined strength; And when restituted signal is within the scope of predetermined strength and relay is in off-state, indicating relay is connected;
Relay, for the instruction according to recognition unit, is switched to on-state by state, so that socket provides stable power-supplying.
Preferably, recognition unit also for not to be at restituted signal within the scope of predetermined strength and relay is in off-state time, indicating relay remains open state, and continues to perform and judge whether restituted signal is in the operation within the scope of predetermined strength.
Preferably, recognition unit also for be at restituted signal within the scope of predetermined strength and relay is in on-state time, indicating relay keeps on-state, and continues to perform and judge whether restituted signal is in the operation within the scope of predetermined strength.
Preferably, recognition unit also for not to be at restituted signal within the scope of predetermined strength and relay is in on-state time, indicating relay disconnects, to cut off the supplying power for outside of socket.
Preferably, recognition unit is also for when civil power power-off signal being detected, and indicating relay disconnects, to cut off the supplying power for outside of socket.
According to a further aspect in the invention, providing a kind of system for ensureing safe power supply, comprising and being pasted with the high plug of anti-pad pasting of optics and the socket as described in above-mentioned any embodiment.
Preferably, the active optics detecting sensor of socket is arranged on socket two hole or three jack symmetrical centre places, hole.
Preferably, socket also comprises socket panel, and wherein socket panel correspondingly offers optical window in two holes or three jack symmetrical centre places, hole.
Preferably, the high corresponding symmetrical centre position being pasted onto two electrode slice plugs or three electrode slice plugs of anti-pad pasting of the optics of plug.
The present invention sends active optics signal by modulation driving, test plug can insert situation in real time, the only relay just conducting when plug inserts socket completely, and when plug portion extracts socket, relay disconnects, and ensures the safety of user; Current over-zero can be realized disconnect, fundamentally stop the generation of any electric arc, thus avoid the phenomenon of arc discharge produced when plug inserts and extracts.
Description of the invention provides in order to example with for the purpose of describing, and is not exhaustively or limit the invention to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is in order to principle of the present invention and practical application are better described, and enables those of ordinary skill in the art understand the present invention thus design the various embodiments with various amendment being suitable for special-purpose.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is that the present invention is for ensureing the schematic diagram of a method embodiment of safe power supply.
Fig. 2 is the schematic diagram of the high anti-pad pasting of optics bonding position on plug in one embodiment of the invention.
Fig. 3 is the schematic diagram of the high anti-pad pasting of optics bonding position on plug in another embodiment of the present invention.
Fig. 4 is the position view of socket optical window in one embodiment of the invention.
Fig. 5 is the position view of socket optical window in another embodiment of the present invention.
Fig. 6 is the schematic diagram of recognition unit determination methods in one embodiment of the invention.
Fig. 7 is the schematic diagram of recognition unit determination methods in another embodiment of the present invention.
Fig. 8 is that the present invention is for ensureing the schematic diagram of a socket embodiment of safe power supply.
Fig. 9 is that the present invention is for ensureing the schematic diagram of another embodiment of socket of safe power supply.
Figure 10 is that the present invention is for ensureing the schematic diagram of a system embodiment of safe power supply.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Illustrative to the description only actually of at least one exemplary embodiment below, never as any restriction to the present invention and application or use.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Unless specifically stated otherwise, otherwise positioned opposite, the numerical expression of the parts of setting forth in these embodiments and step and numerical value do not limit the scope of the invention.
Meanwhile, it should be understood that for convenience of description, the size of the various piece shown in accompanying drawing is not draw according to the proportionate relationship of reality.
May not discuss in detail for the known technology of person of ordinary skill in the relevant, method and apparatus, but in the appropriate case, described technology, method and apparatus should be regarded as a part of authorizing specification.
In all examples with discussing shown here, any occurrence should be construed as merely exemplary, instead of as restriction.Therefore, other example of exemplary embodiment can have different values.
It should be noted that: represent similar terms in similar label and letter accompanying drawing below, therefore, once be defined in an a certain Xiang Yi accompanying drawing, then do not need to be further discussed it in accompanying drawing subsequently.
Fig. 1 is that the present invention is for ensureing the schematic diagram of a method embodiment of safe power supply.Preferably, the present embodiment can be performed by the socket for ensureing safe power supply.Described socket comprises optical modulator, active optics detecting sensor, optical demodulator, recognition unit, relay, and wherein active optics detecting sensor comprises optical emitting pipe and receive optical pipe.The method comprises the following steps:
Step 101, optical modulator sends modulation signal to optical emitting pipe.
Step 102, optical emitting pipe receives the modulation signal that optical modulator sends, and described modulation signal drives optical emitting pipe to continue to send active optics signal.
Step 103, receive optical pipe receives echo-signal, and wherein echo-signal is carried out reflecting generation to active optics signal by the high anti-pad pasting of the optics be arranged on plug.
Step 104, optical demodulator carries out demodulation to obtain restituted signal to the echo-signal received.
Step 105, recognition unit judges whether restituted signal is within the scope of predetermined strength.
Wherein, predetermined strength scope can be set to: only when plug is inserted into completely, restituted signal is within the scope of predetermined strength; When plug does not insert or plug is not inserted into, restituted signal is not within the scope of predetermined strength.
Step 106, if restituted signal is within the scope of predetermined strength and relay is in off-state, then recognition unit indicating relay is connected, so that socket provides stable power-supplying.
Based on the method for ensureing safe power supply that the above embodiment of the present invention provides, active optics signal is sent by modulation driving, test plug can insert situation in real time, the only relay just conducting when plug inserts socket completely, when plug portion extracts socket, relay disconnects, ensure the safety of user, the phenomenon of arc discharge produced when avoiding plug insert and extract.
Preferably, in step 101, optical modulator can pass through modulating-coding, sends different modulation signals to adjust frequency and the transmitting power that optical emitting pipe sends active optics signal.
Preferably, in step 101, optical modulator can change the frequency (wave band) of the active optics signal that optical emitting pipe sends by modulating-coding, effectively can avoid the misoperation that other optical interference (as sunlight, various home used remote controler) cause.
Preferably, described active optics detecting sensor can be infrared external reflection sensing probe, and the active optics signal of transmitting can at infrared band.
Preferably, in step 102, optical emitting pipe by reducing the transmitting power of active optics signal, only can also make active optics signal in low coverage (distance optical emitting pipe 0mm ~ 3mm) effectively, further ensure that restituted signal is within the scope of predetermined strength when plug is inserted into completely; And further avoid crosstalk; Also other infrared remote control equipment or the infrared gesture identification of mobile phone is avoided interference.
Preferably, in step 103, when plug does not insert socket, echo-signal also can be returned by other reflections off objects extraneous.
Preferably, as shown in Figures 2 and 3, the high anti-pad pasting 201 of optics can be pasted onto the symmetrical centre position of two electrode slice plugs or three electrode slice plugs.
Preferably, the high anti-pad pasting 201 of optics can fit on all size plug.
Preferably, as shown in Figure 4 and Figure 5, active optics detecting sensor 401 correspondingly can be arranged on socket two hole or three jack symmetrical centre places, hole; Socket can also comprise socket panel, and wherein socket panel correspondingly offers optical window 402 in two holes or three jack symmetrical centre places, hole, so that active optics detecting sensor 401 is launched active optics signal by optical window 402 and received echo-signal.Wherein, the socket of Fig. 4 is corresponding with the plug of Fig. 3, and the socket of Fig. 5 is corresponding with the plug of Fig. 3 and Fig. 4.
Preferably, active optics detecting sensor 401 can be installed or the installation of inclination certain angle by vertical panel.Wherein, if active optics detecting sensor 401 tilts, certain angle is installed, then the size of described angle should guarantee that echo-signal can be received by receive optical pipe.
Preferably, after step 105, described method can also comprise:
If restituted signal is not within the scope of predetermined strength and relay is in off-state, then recognition unit indicating relay remains open state, and continues to perform step 105.
Preferably, after step 105, described method can also comprise:
If restituted signal is within the scope of predetermined strength and relay is in on-state, then recognition unit indicating relay keeps on-state, and continues to perform step 105.
Preferably, after step 105, described method can also comprise:
If restituted signal is not within the scope of predetermined strength and relay is in on-state, then recognition unit indicating relay disconnects, to cut off the supplying power for outside of socket.
Preferably, as shown in Figure 6, recognition unit is by judging whether restituted signal is within the scope of predetermined strength the method (initial condition setting relay is off) determining whether engage relay, specifically comprises:
Step 601, relay is in off-state, and socket is supplying power for outside not.
Step 602, recognition unit judges whether restituted signal is within the scope of predetermined strength; If restituted signal is within the scope of predetermined strength, then perform step 603; Otherwise if restituted signal is not within the scope of predetermined strength, then perform step 601, namely recognition unit indicating relay continues to remain open state.
Step 603, recognition unit indicating relay switches to on-state, so that socket provides stable power-supplying.
Preferably, as shown in Figure 7, recognition unit is by judging whether restituted signal is within the scope of predetermined strength the method (setting the initial condition of relay as connection) determining whether engage relay, specifically comprises:
Step 701, relay is in on-state, for socket provides stable power-supplying.
Step 702, recognition unit judges whether restituted signal is within the scope of predetermined strength; If restituted signal is within the scope of predetermined strength, then perform step 701, namely indicating relay keeps on-state, so that socket provides stable power-supplying; Otherwise, if restituted signal is not within the scope of predetermined strength, then perform step 703.
Step 703, recognition unit indicating relay switches to off-state, to cut off the supplying power for outside of socket.
Preferably, after step 701, described method can also comprise:
Step 704, recognition unit judges whether civil power power-off signal to be detected, if civil power power-off signal detected, performs step 703; Otherwise if civil power power-off signal do not detected, then perform step 701, namely indicating relay keeps on-state, so that socket provides stable power-supplying.
Fig. 8 is that the present invention is for ensureing the schematic diagram of a socket embodiment of safe power supply.As shown in Figure 8, described socket comprises optical modulator 801, active optics detecting sensor 401, optical demodulator 802, recognition unit 803, relay 804, wherein active optics detecting sensor 401 comprises optical emitting pipe 4011 and receive optical pipe 4012, wherein:
Optical modulator 801, for sending modulation signal to optical emitting pipe 4011.
Optical emitting pipe 4011, for receiving the modulation signal that optical modulator 801 sends, to continue outwards to send active optics signal.
Receive optical pipe 4012, for receiving echo-signal, wherein echo-signal is that the high anti-pad pasting of the optics be arranged on plug carries out reflecting generation to active optics signal.
Optical demodulator 802, for carrying out demodulation to obtain restituted signal to the echo-signal received.
Recognition unit 803, for judging whether restituted signal is within the scope of predetermined strength; And when restituted signal is within the scope of predetermined strength and relay is in off-state, indicating relay is connected.
Preferably, predetermined strength scope can be set to: only when plug is inserted into completely, restituted signal is within the scope of predetermined strength; When plug does not insert or plug is not inserted into, restituted signal is not within the scope of predetermined strength.
Relay 804, is the execution unit of strong power system, for the instruction according to recognition unit 803, state is switched to on-state, so that socket provides stable power-supplying.The control signal that relay can export according to recognition unit 803 be switched on or switched off live wire and zero line, thus completes plug and insert and the identification of extracting and power on/off action.
Based on the socket for ensureing safe power supply that the above embodiment of the present invention provides, active optics signal is sent by modulation driving, test plug can insert situation in real time, the only relay just conducting when plug inserts socket completely, when plug portion extracts socket, relay disconnects, and ensures the safety of user, can realize current over-zero and disconnect, fundamentally stop the generation of any electric arc, thus avoid the phenomenon of arc discharge produced when plug inserts and extracts.
Preferably, optical modulator 801 can pass through modulating-coding, sends different modulation signals to adjust frequency and the transmitting power that optical emitting pipe 4011 sends active optics signal.
Preferably, described socket can also comprise the input unit be connected with optical modulator, for receiving the modulation signal of user's input.User inputs different modulated signals by input unit, changes frequency and the transmitting power of active optics signal.
Preferably, optical modulator 801 can change the frequency (wave band) of the active optics signal that optical emitting pipe sends by modulating-coding, effectively can avoid the misoperation that other optical interference (as sunlight, various home used remote controler) cause.
Preferably, described active optics detecting sensor 401 can be infrared external reflection sensing probe, and the active optics signal of transmitting can at infrared band.
Preferably, optical emitting pipe 4011 can also by reducing the transmitting power of active optics signal, make active optics signal only in low coverage (distance optical emitting pipe 0mm ~ 3mm) effectively, further ensure that restituted signal is within the scope of predetermined strength when plug is inserted into completely; And further avoid crosstalk; Also other infrared remote control equipment or the infrared gesture identification of mobile phone is avoided interference.
Preferably, recognition unit 803 can also be used for when restituted signal is not within the scope of predetermined strength and relay 804 is in off-state, indicating relay 804 remains open state, and continuation execution judges whether restituted signal is in the operation within the scope of predetermined strength.
Preferably, recognition unit 803 can also be used for when restituted signal is within the scope of predetermined strength and relay 804 is in on-state, indicating relay 804 keeps on-state, and continuation execution judges whether restituted signal is in the operation within the scope of predetermined strength.
Preferably, recognition unit 803 can also be used for when restituted signal is not within the scope of predetermined strength and relay 804 is in on-state, and indicating relay 804 disconnects, to cut off the supplying power for outside of socket.
Preferably, recognition unit 803 can also be used for when civil power power-off signal being detected, and indicating relay 804 disconnects, to cut off the supplying power for outside of socket.
Fig. 9 is that the present invention is for ensureing the schematic diagram of another embodiment of socket of safe power supply.Compared with embodiment illustrated in fig. 8, in the embodiment shown in fig. 9, described socket can also comprise optical window 402, wherein,
Optical window 402 can be arranged on socket panel two hole or three jack symmetrical centre places, hole (as shown in Figure 4 and Figure 5), so that optical emitting pipe 4011 launches active optics signal by optical window 402, and receive optical pipe 4012 receives echo-signal by optical window 402.
Active optics detecting sensor 401 can vertical panel install or inclination certain angle be arranged on socket two hole or three jack symmetrical centre places, hole, in optical window 402.Wherein, if active optics detecting sensor 102 tilts, certain angle is installed, then the size of described angle should guarantee that echo-signal can be received by receive optical pipe 1022.
Correspondingly, as shown in Figures 2 and 3, the high anti-pad pasting 201 of optics can be pasted onto the symmetrical centre position of two electrode slice plugs or three electrode slice plugs.
Preferably, as shown in Figure 8, described socket can also comprise forceful electric power plug connector 901, wherein:
Forceful electric power plug connector 901, for after relay is connected, by being connected external stable power-supplying with plug.
Preferably, described socket can also comprise shell (not shown), and its housing and forceful electric power plug connector 901 can be the various erecting of panel sizes of adaptation, support all size plug and the mechanical structure of good contact, as 86 profile switching plate sockets.
Preferably, shell and forceful electric power plug connector 901 can with or be not with jack to insulate catch.
Preferably, as shown in Figure 9, described socket can also comprise power subsystem 902, wherein:
Power subsystem 902, provides power supply for giving optical modulator 801, active optics detecting sensor 401, optical demodulator 802, recognition unit 803 and relay 804.
Preferably, described socket can also comprise status indicator lamp, and wherein, when relay is connected, status indicator lamp is bright; When relay disconnects, status indicator lamp goes out.
Preferably, described socket can have many groups two holes and/or three hole jacks, and socket comprises 1 group of three hole jack and 1 group of two hole jack as shown in Figure 4.In this case, described socket comprises multiple active optics detecting sensors of respective number, multiple relay, multiple optical window, multiple status indicator lamp and multiple forceful electric power plug connector.
Figure 10 is that the present invention is for ensureing the schematic diagram of a system embodiment of safe power supply.Described system comprises socket 1001, and is pasted with the plug 1002 of the high anti-pad pasting 201 of optics.
The high anti-pad pasting 201 of optics, provides reliable reflection (reflectivity is more than 93%), so that echo-signal is reflected back optics receiving tube for the active optics signal launched the optical emitting pipe of socket 1001.
Socket 1001 can be the socket for ensureing safe power supply in Fig. 4, Fig. 5, Fig. 8 or Fig. 9 described in any embodiment.
Plug 1002 can be the plug in Fig. 2, Fig. 3 described in any embodiment.
Based on the system for ensureing safe power supply that the above embodiment of the present invention provides, active optics signal is sent by modulation driving, test plug can insert situation in real time, the only relay just conducting when plug inserts socket completely, when plug portion extracts socket, relay disconnects, and ensures the safety of user, can realize current over-zero and disconnect, fundamentally stop the generation of any electric arc, thus avoid the phenomenon of arc discharge produced when plug inserts and extracts.
Preferably, the high anti-pad pasting 201 of optics can fit on all size plug.
Preferably, the high anti-position of pad pasting 201 on plug of optics, adapts with the position on optical window 402 and active optics detecting sensor 401.
Preferably, as shown in Figures 2 and 3, the high anti-pad pasting 201 of optics can be pasted onto the symmetrical centre position of two electrode slice plugs or three electrode slice plugs.
Preferably, as shown in Figure 4 and Figure 5, active optics detecting sensor 401 correspondingly can be arranged on socket two hole or three jack symmetrical centre places, hole, socket panel can offer optical window 402 in two holes or three jack symmetrical centre places, hole, so that active optics detecting sensor 401 is launched active optics signal by optical window 402 and received echo-signal.Wherein, in Fig. 4, the position of optical window 402 and active optics detecting sensor 401 is corresponding with the position of the high anti-pad pasting 201 of optics in Fig. 3, and in Fig. 5, the position of optical window 402 and active optics detecting sensor 401 is corresponding with the position of the high anti-pad pasting 201 of optics in Fig. 2 and Fig. 3.
Preferably, the high anti-pad pasting 201 of optics also can arrange the position of the symmetrical centre position 2mm departing from two electrode slice plugs; Correspondingly, optical window 402 and active optics detecting sensor 401 also can be arranged on corresponding offset direction, depart from the position of the symmetrical centre position 2mm of socket panel two jack.
For brevity, a plug is only gived in Fig. 10.Those skilled in the art are scrutable, and multiple plug and socket can be had to carry out grafting, such as: the socket of Fig. 5 can carry out grafting with the plug of Fig. 3 and Fig. 4.
For the present invention for ensure safe power supply system for, when not having plug insertion socket, active optics detecting sensor does not receive echo-signal, and relay is in off-state, and jack live wire and zero line are all not charged.Even if common objects is close to socket, because optical reflectivity is inadequate, the echo-signal of common objects reflection is after demodulation, and restituted signal, not in predetermined scope, also can not trigger active optics detecting sensor and make relay conducting.Now human body consciously or unconsciously and electrode contact all can not cause Danger Electric shock risk.
Work as plug insertion socket, plug conductive sheet just contact base internal electrode time, relay is not connected, ensure there will not be arcing situation.When plug is inserted into position, the high anti-pad pasting of optics just presses close to the optical window on socket, and receive optical pipe receives effective echo-signal, judges control relay conducting, thus realize stable power-supplying through recognition unit.
When socket extracted by plug, although plug conductive sheet not yet departs from electrode in socket, leave the optical window on socket due to the high anti-pad pasting of optics, relay disconnects, and socket is supplying power for outside not, there will not be phenomenon of arc discharge when ensureing that final plug leaves socket.
By implementing the present invention, following beneficial effect can be obtained:
1, the present invention sends active optics signal by modulation driving, test plug can insert situation in real time, the only relay just conducting when plug inserts socket completely, when plug portion extracts socket, relay disconnects, ensure the safety of user, current over-zero can be realized disconnect, fundamentally stop the generation of any electric arc, thus avoid the phenomenon of arc discharge produced when plug inserts and extracts.
2, the present invention changes the frequency (wave band) of the active optics signal that optical emitting pipe sends by modulating-coding, effectively can avoid the misoperation that other optical interference (as sunlight, various home used remote controler) cause.
3, the present invention by reducing the transmitting power of active optics signal, only can also make active optics signal in low coverage (distance optical emitting pipe 0mm ~ 3mm) effectively, further ensure that restituted signal is within the scope of predetermined strength when plug is inserted into completely; And further avoid crosstalk; Also other infrared remote control equipment or the infrared gesture identification of mobile phone is avoided interference.
So far, the present invention has been described in detail for ensureing the method for safe power supply, socket and system.In order to avoid covering design of the present invention, details more known in the field are not described.Those skilled in the art, according to description above, can understand how to implement technical scheme disclosed herein completely.
One of ordinary skill in the art will appreciate that all or part of step realizing above-described embodiment can have been come by hardware, the hardware that also can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium mentioned can be read-only memory, disk or CD etc.
Claims (12)
1. for ensureing a method for safe power supply, it is characterized in that, comprising:
Optical modulator sends modulation signal to optical emitting pipe;
Optical emitting pipe receives the modulation signal that optical modulator sends, and continues to send active optics signal;
Receive optical pipe receives echo-signal, and wherein echo-signal is carried out reflecting generation to active optics signal by the high anti-pad pasting of the optics be arranged on plug;
Optical demodulator carries out demodulation to obtain restituted signal to the echo-signal received;
Recognition unit judges whether restituted signal is within the scope of predetermined strength;
If restituted signal is within the scope of predetermined strength and relay is in off-state, then recognition unit indicating relay is connected, so that socket provides stable power-supplying.
2. method according to claim 1, is characterized in that, also comprises:
If restituted signal is not within the scope of predetermined strength and relay is in off-state, then recognition unit indicating relay remains open state, and continues to perform and judge whether restituted signal is in the step within the scope of predetermined strength.
3. method according to claim 1, is characterized in that, also comprises:
If restituted signal is within the scope of predetermined strength and relay is in on-state, then recognition unit indicating relay keeps on-state, and continues to perform and judge whether restituted signal is in the step within the scope of predetermined strength.
4. method according to claim 1, is characterized in that, also comprises:
If restituted signal is not within the scope of predetermined strength and relay is in on-state, then recognition unit indicating relay disconnects, to cut off the supplying power for outside of socket.
5. the method according to claim 1-4 any one, is characterized in that, also comprises:
If recognition unit detects civil power power-off signal, then indicating relay disconnects, to cut off the supplying power for outside of socket.
6. for ensureing a socket for safe power supply, it is characterized in that, comprise optical modulator, active optics detecting sensor, optical demodulator, recognition unit, relay, wherein active optics detecting sensor comprises optical emitting pipe and receive optical pipe, wherein:
Optical modulator, for sending modulation signal to optical emitting pipe;
Optical emitting pipe, for receiving the modulation signal that optical modulator sends, to continue outwards to send active optics signal;
Receive optical pipe, for receiving echo-signal, wherein echo-signal is that the high anti-pad pasting of the optics be arranged on plug carries out reflecting generation to active optics signal;
Optical demodulator, for carrying out demodulation to obtain restituted signal to the echo-signal received;
Recognition unit, for judging whether restituted signal is within the scope of predetermined strength; And when restituted signal is within the scope of predetermined strength and relay is in off-state, indicating relay is connected;
Relay, for the instruction according to recognition unit, is switched to on-state by state, so that socket provides stable power-supplying.
7. socket according to claim 6, is characterized in that,
Recognition unit also for not to be at restituted signal within the scope of predetermined strength and relay is in off-state time, indicating relay remains open state, and continues to perform and judge whether restituted signal is in the operation within the scope of predetermined strength.
8. socket according to claim 6, is characterized in that,
Recognition unit also for be at restituted signal within the scope of predetermined strength and relay is in on-state time, indicating relay keeps on-state, and continues to perform and judge whether restituted signal is in the operation within the scope of predetermined strength.
9. socket according to claim 6, is characterized in that,
Recognition unit also for not to be at restituted signal within the scope of predetermined strength and relay is in on-state time, indicating relay disconnects, to cut off the supplying power for outside of socket.
10. the socket according to claim 6-9 any one, is characterized in that,
Recognition unit is also for when civil power power-off signal being detected, and indicating relay disconnects, to cut off the supplying power for outside of socket.
11. 1 kinds, for ensureing the system of safe power supply, comprise and are pasted with the high plug of anti-pad pasting of optics and the socket as described in claim 6-10 any one.
12. systems according to claim 11, is characterized in that,
The active optics detecting sensor of socket is arranged on socket two hole or three jack symmetrical centre places, hole;
Socket also comprises socket panel, and wherein socket panel offers optical window in two holes or three jack symmetrical centre places, hole;
The high corresponding symmetrical centre position being pasted onto two electrode slice plugs or three electrode slice plugs of anti-pad pasting of optics of plug.
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| CN201410031968.0A CN104810685B (en) | 2014-01-23 | 2014-01-23 | For ensureing method, socket and the system of safe power supply |
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| CN201410031968.0A CN104810685B (en) | 2014-01-23 | 2014-01-23 | For ensureing method, socket and the system of safe power supply |
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| CN104810685A true CN104810685A (en) | 2015-07-29 |
| CN104810685B CN104810685B (en) | 2018-01-19 |
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| CN201410031968.0A Active CN104810685B (en) | 2014-01-23 | 2014-01-23 | For ensureing method, socket and the system of safe power supply |
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| CN106303887A (en) * | 2016-10-25 | 2017-01-04 | 维沃移动通信有限公司 | The detection method of a kind of headset type and mobile terminal |
| CN106654737A (en) * | 2016-11-16 | 2017-05-10 | 北京小米移动软件有限公司 | Electrifying method and device for extension socket |
| CN107404030A (en) * | 2017-09-05 | 2017-11-28 | 杭州蓝鹤电器科技有限公司 | Smart jack |
| CN110224256A (en) * | 2019-07-16 | 2019-09-10 | 刘硕 | A kind of safe power supply method and its connector structure |
| CN110221673A (en) * | 2019-06-14 | 2019-09-10 | 广东虹勤通讯技术有限公司 | A kind of circuit to sparkle when notebook adapter being prevented to be inserted into and method |
| CN110233397A (en) * | 2019-07-16 | 2019-09-13 | 刘硕 | A kind of safe power supply identification device and method for for electrical connector |
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| CN110224256A (en) * | 2019-07-16 | 2019-09-10 | 刘硕 | A kind of safe power supply method and its connector structure |
| CN110233397A (en) * | 2019-07-16 | 2019-09-13 | 刘硕 | A kind of safe power supply identification device and method for for electrical connector |
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| CN104810685B (en) | 2018-01-19 |
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