CN102035098A - Photoelectric protective safety socket and photoelectric protective method thereof - Google Patents
Photoelectric protective safety socket and photoelectric protective method thereof Download PDFInfo
- Publication number
- CN102035098A CN102035098A CN2010105273261A CN201010527326A CN102035098A CN 102035098 A CN102035098 A CN 102035098A CN 2010105273261 A CN2010105273261 A CN 2010105273261A CN 201010527326 A CN201010527326 A CN 201010527326A CN 102035098 A CN102035098 A CN 102035098A
- Authority
- CN
- China
- Prior art keywords
- circuit
- electric capacity
- photoelectric
- resistance
- diode
- 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
Images
Abstract
The invention provides a photoelectric protective safety socket and a photoelectric protective method thereof. The photoelectric protective safety socket comprises a shell, an incoming line circuit of a socket power supply in the shell and a protective device, wherein a live line jack and a zero line jack are formed on the shell; the protective device comprises a direct-current voltage-stabilizing circuit, a photoelectric identification circuit, a time-delay circuit and an executive circuit; the input end of the direct-current voltage-stabilizing circuit is respectively connected with a live line and a zero line of an external alternating-current power supply, and the output end of the direct-current voltage-stabilizing circuit is connected with the photoelectric identification circuit and the executive circuit; the photoelectric identification circuit, the time-delay circuit and the executive circuit are connected sequentially; the executive circuit is connected with the incoming line circuit of the socket power supply in the socket, and is externally connected with the live line and the zero line of the alternating-current power supply; a light hole is formed on the surface between the live line jack and the zero line jack of the shell; the light hole corresponds to the photoelectric identification circuit in the protective device; the live line jack and the zero line jack are externally connected with a plug; and a light reflecting label corresponding to the light hole is arranged on the plug. In the photoelectric protective safety socket, the photoelectric identification principle is adopted, and the safety of electricity utilization can be ensured.
Description
Technical field
The invention belongs to the jack technology field, particularly a kind of photoelectric protection formula safety socket and photoelectric protection method thereof.
Background technology
Existing socket plug does not generally have safety protection function, poor safety performance, and all easily cause security incident as following several situations: socket copper spare is charged under the normality, and children's finger can be put into easily and cause electric shock accidents in the jack; The plug copper sheet was not charged when plug inserted socket fully, and at this moment charged plug copper sheet easily causes danger after being touched by staff; The easy initiation fire of electric arc that produces in the plug plug process.
Summary of the invention
The shortcoming that primary and foremost purpose of the present invention is to overcome above-mentioned prior art provides a kind of simple and reasonable for structure, the photoelectric protection formula safety socket that can effectively eliminate safe hidden trouble with not enough.
Another object of the present invention also is to provide the photoelectric protection method of above-mentioned socket.
For reaching above-mentioned purpose, the present invention adopts following technical scheme:
A kind of photoelectric protection formula safety socket, comprise the socket power input circuit in housing and the housing, described housing is provided with firewire jack and zero line jack, also comprise the protective device that places in the housing, described protective device comprises direct current regulation circuit, photoelectric identificating circuit, delay circuit and executive circuit, the input of described direct current regulation circuit is connected with zero line with the live wire of external AC power supply respectively, and its output is connected with photoelectric identificating circuit, executive circuit; Photoelectric identificating circuit, delay circuit and executive circuit are connected successively, and executive circuit is connected with socket interpolation block electric power incoming line circuit, and the live wire of executive circuit external AC power supply and zero line; Described housing is provided with unthreaded hole on the surface between firewire jack and the zero line jack; the position of described unthreaded hole and the corresponding setting of photoelectric identificating circuit in the protective device; described firewire jack and zero line jack external plug, described plug are provided with the reflective label corresponding with unthreaded hole.
Described photoelectric identificating circuit comprises infrared tube, the 3rd resistance and the 4th resistance, and the 3rd resistance, the 4th resistance are connected with infrared tube respectively; Described infrared tube comprises emission input, emission output, receives input and receives output, described emission input is connected with output, the executive circuit of direct current regulation circuit, the emission output is connected the other end ground connection of the 3rd resistance with an end of the 3rd resistance; Receive input and be connected, receive output and be connected the other end ground connection of the 4th resistance with an end, the delay circuit of the 4th resistance with output, the executive circuit of direct current regulation circuit.
Described infrared tube is made of emitting diode and reception triode, emitting diode just very launch input, the negative pole of emitting diode is the emission output, and the current collection that receives triode very receives input, and the emission that receives triode very receives output.
Described delay circuit comprises first diode, the 5th resistance, second diode and the 6th electric capacity, the positive pole of described first diode is connected with the reception output of photoelectric identificating circuit, its negative pole is connected with an end of the 5th resistance, the other end of the 5th resistance is connected with an end of the 6th electric capacity, the other end ground connection of the 6th electric capacity; One end of described the 6th electric capacity is connected with executive circuit; The negative pole of described second diode is connected with the reception output of photoelectric identificating circuit, and its positive pole is connected with an end of the 6th electric capacity.
Described executive circuit comprises field-effect transistor, voltage-stabiliser tube, the 3rd diode and relay, one end of the 6th electric capacity in the grid of described field-effect transistor and the delay circuit is connected, its source ground, its drain electrode is connected with an end of relay, the positive pole of the 3rd diode; The negative pole of the 3rd diode is connected with the other end of the output of direct current regulation circuit, relay; The live wire of one end external AC power supply of first normally opened contact of described relay, its other end is connected with the socket power input circuit; The zero line of one end external AC power supply of second normally opened contact of described relay, its other end is connected with the socket power input circuit.
Described direct current regulation circuit comprises first resistance, second resistance, first electric capacity, rectifier bridge, second electric capacity, the 3rd electric capacity, integrated three-terminal regulator, the 4th electric capacity and the 5th electric capacity, rectifier bridge comprises first input end, first output, second input and second output, integrated three-terminal regulator comprises first pin, second pin and the 3rd pin, the first input end of described first resistance, first electric capacity, rectifier bridge connects successively, and first output of rectifier bridge is connected with first pin of integrated three-terminal regulator; The live wire of the other end external AC power supply of first resistance; The 3rd pin of integrated three-terminal regulator is connected with photoelectric identificating circuit, executive circuit; Second resistance is connected in parallel on the two ends of first electric capacity; The zero line of the second input external power supply of rectifier bridge, its second output head grounding; Second electric capacity is in parallel with the 3rd electric capacity, and an end of second electric capacity is connected with first pin of integrated three-terminal regulator, and its other end is connected with second pin of integrated three-terminal regulator; The second pin ground connection of integrated three-terminal regulator; The 4th electric capacity is in parallel with the 5th electric capacity, and an end of the 4th electric capacity is connected with the 3rd pin of integrated three-terminal regulator, and its other end is connected with second pin of integrated three-terminal regulator.
The 3rd pin of described integrated three-terminal regulator is the output of described direct current regulation circuit.
Described reflective label is the adhesive label of infrared reflection film lining.
Described reflective label is located on the outer surface of the external plug bottom of described socket, and the corresponding setting with unthreaded hole in its position.
Photoelectric identificating circuit suitably is provided with in housing, the infrared ray that makes infrared light emitting diode send penetrates from unthreaded hole to depart from the vertical direction certain angle, and the size of this angle matches in the position of plug with the size and the reflective label of the size of unthreaded hole, reflective label.
The photoelectric protection method of above-mentioned safety socket: described direct current regulation circuit carries out step-down with the 220V alternating voltage by first resistance, second resistance, first electric capacity, carry out rectification by rectifier bridge again after the step-down, carry out filtering by second electric capacity, the 3rd electric capacity, carry out voltage stabilizing by integrated three-terminal regulator, the 4th electric capacity and the 5th electric capacity voltage after to the integrated three-terminal regulator voltage stabilizing carries out filtering, obtains direct voltage after voltage stabilizing and filtering; Direct voltage is given photoelectric identificating circuit, executive circuit power supply; In the photoelectric identificating circuit, the infrared light that the emitting diode of infrared tube sends is outwards launched by the unthreaded hole on the housing, when the plug of outside fully inserts socket, the copper spare of plug contacts with socket copper spare, infrared light is received by the reception triode of infrared tube in the housing through the unthreaded hole on the housing after by the reflective tag reflection of plug lower surface, receive the triode conducting, this moment first diode current flow in the delay circuit, second diode ends, the output of direct current regulation circuit is by receiving triode, first diode, the 5th resistance charges to the 6th electric capacity, after the delay circuit time-delay, when the 6th electric capacity joins the voltage of an end during greater than the cut-in voltage of field-effect transistor at the positive pole with second diode, field-effect transistor conducting in the executive circuit, the coil electricity of relay, first normally opened contact of relay and the second normally opened contact closure, connect housing interpolation block electric power incoming line circuit, make the copper spare in the socket power input circuit switch on, and the plug through contacting with socket copper spare is to electric power supply; When plug does not insert fully that jack or plug are inserted timing or when plug is extracted jack above certain height, the infrared light that photoelectric identificating circuit sends can not be reflected or reverberation can not enter the unthreaded hole on the housing and can not be received by the reception triode of photoelectric identificating circuit, the reception triode ends, first diode in the delay circuit ends at this moment, second diode current flow, the 6th electric capacity is by second diode, the 4th resistance discharges rapidly, when the 6th electric capacity joins the voltage of an end during less than the cut-in voltage of field-effect transistor at the positive pole with second diode, field-effect transistor in the executive circuit ends, the coil blackout of relay, first normally opened contact of relay and second normally opened contact disconnect the socket power input circuit, copper spare in the socket power input circuit and plug outage.
Principle of the present invention: the present invention is provided with by direct current regulation circuit on the basis of prior art socket; photoelectric identificating circuit; delay circuit; the protective device that executive circuit constitutes; by on the housing between socket live wire and zero line jack, offering unthreaded hole; the infrared ray that infrared light emitting diode sends penetrates from unthreaded hole to depart from the vertical direction certain angle; the size of this angle and the size of unthreaded hole; the size and the reflective label of reflective label matches in the position of plug, and (this is to guarantee to have only when plug fully inserts socket; infrared light could be reentered unthreaded hole and is received the key that pipe receives behind this tag reflection); posting with the infrared reflection film on the outer surface of the plug bottom position corresponding with this hole is the adhesive label of lining, and this label can be with the high reflectance reflects infrared light.Have only when plug fully inserts socket, infrared light could be reentered unthreaded hole and is received the triode reception behind this tag reflection, relay coil energising after delaying time in the executive circuit, first normally opened contact of relay and the second normally opened contact closure, socket copper spare energising and through plug to electric power supply.When plug is extracted jack, as long as extracting jack, plug surpasses certain height, there is not reception light because of receiving triode, the relay coil outage, first normally opened contact of relay and second normally opened contact disconnect and socket copper spare and plug are cut off the power supply rapidly.
In the protective device; when the infrared light that sends when infrared emitting diode is received triode and receives through reflection; receive the triode conducting; this moment first diode current flow; second diode ends; the output of direct current regulation circuit is by receiving triode; first diode; the 5th resistance charges to the 6th electric capacity; after time-delay; when the 6th electric capacity joins the voltage of an end during greater than the cut-in voltage of field-effect transistor at the positive pole with second diode; the field-effect transistor conducting; the coil electricity of relay; first normally opened contact of relay and the second normally opened contact closure; socket copper spare energising and through plug to electric power supply, because of the conducting resistance that receives the triode and first diode is very little, the charge constant τ of the 6th electric capacity
1≈ R
5C
6, the purpose that delay circuit is set is to make plug fully insert jack and just adhesive of relay after one section time-delay, can make staff break away from plug rear socket copper spare like this and just switch on, and further improves fail safe.When infrared receiving tube does not receive light, the reception triode ends, this moment, first diode ended, second diode current flow, the 6th electric capacity discharges rapidly by second diode, the 4th resistance, when the 6th electric capacity joins the voltage of an end during less than the cut-in voltage of field-effect transistor at the positive pole with second diode, field-effect transistor ends, the relay coil outage, first normally opened contact of relay and second normally opened contact disconnect the socket power input circuit, copper spare in the socket power input circuit and plug outage.Because of the conducting resistance of second diode is very little, the 6th capacitance discharges timeconstant
2≈ R
4C
6Under the situation that the 4th resistance has been selected, select the 6th electric capacity can determine discharge time constant τ
2, the selected back of the 6th electric capacity selects the 5th resistance can determine charge constant τ
1Promptly the charging of the 6th electric capacity and discharge time constant can freely be selected, for guaranteeing safety protection function, usually with the 6th capacitance discharges timeconstant
2Select enough for a short time, and charge constant τ
1Can select as required.The effect of voltage-stabiliser tube is for providing DC channel to discharge the charge inducing of grid between the grid of field-effect transistor and source electrode, and the 3rd diode provides the afterflow path when cutting off the power supply for relay coil.
Compared with prior art, the present invention has following advantage and beneficial effect:
(1) the present invention adopts the photoelectricity recognition principle, has only when plug fully inserts the jack of socket, and socket copper spare and plug are just switched on, at this moment, socket and plug all do not have the conductive copper part that exposes, and the spark that produces in the plug plug process greatly reduces, thereby have guaranteed Electrical Safety.
(2) direct current regulation circuit in the protective device of the present invention adopts the capacitor step-down circuit, and this circuit is simple and reliable, and the whole protecting device volume is little and cost is low.
(3) for ordinary plug and this socket are used, need to draw on the outer surface of the copper spare one side position corresponding and stick and can in addition plug not had specific (special) requirements with the reflective label of high reflectance reflects infrared light with unthreaded hole at plug, the versatility of this socket is good.
Description of drawings
Fig. 1 is the circuit structure diagram of protective device of the present invention.
Fig. 2 is the cooperation schematic diagram of socket and plug of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with embodiment and accompanying drawing, but embodiments of the present invention are not limited thereto.
Embodiment
As shown in Figure 2, this photoelectric protection formula safety socket comprises the socket power input circuit in housing 42 and the housing 42, described housing 42 is provided with live wire 1 jack and zero line 2 jacks, also comprise the protective device that places in the housing 42, described protective device comprises direct current regulation circuit, photoelectric identificating circuit, delay circuit and executive circuit, the input of described direct current regulation circuit is connected with zero line 2 with the live wire 1 of external AC power supply respectively, and its output is connected with photoelectric identificating circuit, executive circuit; Photoelectric identificating circuit, delay circuit and executive circuit are connected successively, and executive circuit is connected with socket interpolation block electric power incoming line circuit, and the live wire 1 of executive circuit external AC power supply and zero line 2; As shown in Figure 2; described housing 42 is provided with unthreaded hole 40 on the surface between live wire 1 jack and zero line 2 jacks; the position of described unthreaded hole 40 and the corresponding setting of photoelectric identificating circuit in the protective device; described live wire 1 jack and zero line 2 jack external plugs 41, described plug 41 are provided with the reflective label 39 corresponding with unthreaded hole 40.
As shown in Figure 1, described photoelectric identificating circuit comprises that infrared tube 13, the 3rd resistance 18 and the 4th resistance 19, the three resistance 18, the 4th resistance 19 are connected with infrared tube 13 respectively; Described infrared tube 13 comprises emission input 14, emission output 15, receives input 16 and receives output 17, described emission input 14 is connected with output 12, the executive circuit of direct current regulation circuit, emission output 15 is connected the other end ground connection of the 3rd resistance 18 with an end of the 3rd resistance 18; Receive input 16 and be connected, receive output 17 and be connected the other end ground connection of the 4th resistance 19 with an end, the delay circuit of the 4th resistance 19 with output 12, the executive circuit of direct current regulation circuit.
As shown in Figure 1, described infrared tube 13 is made of emitting diode and reception triode, emitting diode just very launch input 14, the negative pole of emitting diode is emission output 15, the current collection that receives triode very receives input 16, and the emission that receives triode very receives output 17.
Described delay circuit comprises first diode 20, the 5th resistance 21, second diode 22 and the 6th electric capacity 23, the positive pole of described first diode 20 is connected with the reception output 17 of photoelectric identificating circuit, its negative pole is connected with an end of the 5th resistance 21, the other end of the 5th resistance 21 is connected with an end of the 6th electric capacity 23, the other end ground connection of the 6th electric capacity 23; One end of described the 6th electric capacity 23 is connected with executive circuit; The negative pole of described second diode 22 is connected with the reception output 17 of photoelectric identificating circuit, and its positive pole is connected with an end of the 6th electric capacity 23.
As shown in Figure 1, described executive circuit comprises field-effect transistor 26, voltage-stabiliser tube 25, the 3rd diode 24 and relay 27, one end of the 6th electric capacity 23 in the grid of described field-effect transistor 26 and the delay circuit is connected, its source ground, its drain electrode is connected with an end of relay 27, the positive pole of the 3rd diode 24; The negative pole of the 3rd diode 24 is connected with the other end of the output of direct current regulation circuit 12, relay 27; The live wire 1 of one end external AC power supply of first normally opened contact 29 of described relay 27, its other end is connected with the copper spare 30 of socket power input circuit; The zero line 2 of one end external AC power supply of second normally opened contact 28 of described relay 27, its other end is connected with the copper spare 31 of socket power input circuit.
As shown in Figure 1, described direct current regulation circuit comprises first resistance 3, second resistance 5, first electric capacity 4, rectifier bridge 6, second electric capacity 7, the 3rd electric capacity 8, integrated three-terminal regulator 9, the 4th electric capacity 10 and the 5th electric capacity 11, rectifier bridge 6 comprises first input end 35, first output 36, second input 38 and second output 37, integrated three-terminal regulator 9 comprises first pin 32, second pin 34 and the 3rd pin 33, and the first input end 35 of described first resistance 3, first electric capacity 4, rectifier bridge 6 connects successively; First output 36 of rectifier bridge 6 is connected with first pin 32 of integrated three-terminal regulator 9; The live wire 1 of the other end external AC power supply of first resistance 3; The 3rd pin 33 of integrated three-terminal regulator 9 is connected with photoelectric identificating circuit, executive circuit; Second resistance 5 is connected in parallel on the two ends of first electric capacity 4; The zero line of second input, 38 external power supplys of rectifier bridge 6, its second output, 37 ground connection; Second electric capacity 7 is in parallel with the 3rd electric capacity 8, and an end of second electric capacity 7 is connected with first pin 32 of integrated three-terminal regulator 9, and its other end is connected with second pin 34 of integrated three-terminal regulator 9; Second pin, 34 ground connection of integrated three-terminal regulator 9; The 4th electric capacity 10 is in parallel with the 5th electric capacity 11, and an end of the 4th electric capacity 10 is connected with the 3rd pin 33 of integrated three-terminal regulator 9, and its other end is connected with second pin 34 of integrated three-terminal regulator 9.
The 3rd pin 33 of described integrated three-terminal regulator 9 is the output 12 of described direct current regulation circuit.
Described reflective label 39 is the adhesive label of infrared reflection film lining.
Described reflective label 39 is located on the outer surface of the external plug of described socket 41 bottoms, and its position and unthreaded hole 40 corresponding settings.
Photoelectric identificating circuit suitably is provided with in housing 42, the infrared ray that makes infrared light emitting diode send penetrates from unthreaded hole 40 to depart from the vertical direction certain angle, and the size of this angle matches in the position of plug 41 with the size of unthreaded hole 40, the size and the reflective label 39 of reflective label 39.
The photoelectric protection method of above-mentioned safety socket: described direct current regulation circuit carries out step-down with the 220V alternating voltage by first resistance 3, second resistance 5, first electric capacity 4, carry out rectification by rectifier bridge 6 again after the step-down, carry out filtering by second electric capacity 7, the 3rd electric capacity 8, carry out voltage stabilizing by integrated three-terminal regulator 9, voltage after 11 pairs of integrated three-terminal regulator 9 voltage stabilizings of the 4th electric capacity 10 and the 5th electric capacity carries out filtering, obtains direct voltage after voltage stabilizing and filtering; Direct voltage is given photoelectric identificating circuit, executive circuit power supply; In the photoelectric identificating circuit, the infrared light that the emitting diode of infrared tube 13 sends is outwards launched by the unthreaded hole 40 on the housing 42, when the plug 41 of outside fully inserts socket, the copper spare of plug 41 contacts with socket copper spare, infrared light is received by the reception triode of infrared tubes 13 in the housing 42 through the unthreaded hole on the housing 42 40 after being reflected by the reflective label 39 of plug 41 lower surface, receive the triode conducting, first diode, 20 conductings in the delay circuit at this moment, second diode 22 ends, the output 12 of direct current regulation circuit is by receiving triode, first diode 20, the 5th resistance 21 is to 23 chargings of the 6th electric capacity, after the delay circuit time-delay, when the 6th electric capacity 23 joins the voltage of an end during greater than the cut-in voltage of field-effect transistor 26 at the positive pole with second diode 22, field-effect transistor 26 conductings in the executive circuit, the coil electricity of relay 27, first normally opened contact 29 of relay 27 and second normally opened contact, 28 closures, connect housing 42 interpolation block electric power incoming line circuit, make the copper spare in the socket power input circuit switch on, and the plug 41 through contacting with socket copper spare is to electric power supply; When plug 41 does not insert fully that jack or plug 41 are inserted timing or when plug 41 is extracted jack above certain height, the infrared light that photoelectric identificating circuit sends can not be reflected or reverberation can not enter the unthreaded hole 40 on the housing 42 and can not be received by the reception triode of photoelectric identificating circuit, the reception triode ends, first diode 20 in the delay circuit ends at this moment, 22 conductings of second diode, the 6th electric capacity 23 is by second diode 22, the 4th resistance 19 discharges rapidly, when the 6th electric capacity 23 joins the voltage of an end during less than the cut-in voltage of field-effect transistor 26 at the positive pole with second diode 22, field-effect transistor 26 in the executive circuit ends, the coil blackout of relay 27, first normally opened contact 29 of relay 27 and second normally opened contact 28 disconnect the socket power input circuit, copper spare in the socket power input circuit and plug 41 outages.
Principle of the present invention: the present invention is provided with by direct current regulation circuit on the basis of prior art socket; photoelectric identificating circuit; delay circuit; the protective device that executive circuit constitutes; by on the housing 42 between socket live wire 1 and zero line 2 jacks, offering unthreaded hole 40; the infrared ray that infrared light emitting diode sends penetrates from unthreaded hole 40 to depart from the vertical direction certain angle; the size of the size of this angle and unthreaded hole 40; the size and the reflective label 39 of reflective label 39 matches in the position of plug 41, and (this is to guarantee to have only when plug 41 fully inserts socket; infrared light could be reentered unthreaded hole 40 and is received the key that pipe receives behind this tag reflection); posting with the infrared reflection film on the outer surface of the bottom of plug 41 position corresponding with this hole is the adhesive label of lining, and this label can be with the high reflectance reflects infrared light.Have only when plug 41 fully inserts socket, infrared light could be reentered unthreaded hole 40 and is received the triode reception behind this tag reflection, relay 27 coil electricities after delaying time in the executive circuit, first normally opened contact 29 of relay 27 and second normally opened contact, 28 closures, socket copper spare energising and through plug 41 to electric power supply.When plug 41 is extracted jack, as long as extracting jack, plug 41 surpasses certain height, there is not reception light because of receiving triode, relay 27 coil blackouts, first normally opened contact 29 of relay 27 and second normally opened contact 28 disconnect and socket copper spare and plug 41 are cut off the power supply rapidly.
In the protective device; when the infrared light that sends when infrared emitting diode is received triode and receives through reflection; receive the triode conducting; first diode, 20 conductings this moment; second diode 22 ends; the output 12 of direct current regulation circuit is by receiving triode; first diode 20; the 5th resistance 21 is to 23 chargings of the 6th electric capacity; after time-delay; when the 6th electric capacity 23 joins the voltage of an end during greater than the cut-in voltage of field-effect transistor 26 at the positive pole with second diode 22; field-effect transistor 26 conductings; the coil electricity of relay 27; first normally opened contact 29 of relay 27 and second normally opened contact, 28 closures; socket copper spare energising and through plug 41 to electric power supply, because of the conducting resistance that receives the triode and first diode 20 is very little, the charge constant τ of the 6th electric capacity 23
1≈ R
5C
6, the purpose that delay circuit is set is to make plug 41 fully insert jack and relay 27 just adhesives after one section time-delay, can make staff break away from plug 41 rear socket copper spares like this and just switch on, and further improves fail safe.When infrared receiving tube does not receive light, the reception triode ends, this moment, first diode 20 ended, 22 conductings of second diode, the 6th electric capacity 23 discharges rapidly by second diode 22, the 4th resistance 19, when the 6th electric capacity 23 joins the voltage of an end during less than the cut-in voltage of field-effect transistor 26 at the positive pole with second diode 22, field-effect transistor 26 ends, relay 27 coil blackouts, first normally opened contact 29 of relay 27 and second normally opened contact 28 disconnect the socket power input circuit, copper spare in the socket power input circuit and plug 41 outages.Because of the conducting resistance of second diode 22 is very little, the discharge time constant τ of the 6th electric capacity 23
2≈ R
4C
6Under the situation that the 4th resistance 19 has been selected, select the 6th electric capacity 23 can determine discharge time constant τ
2, the 6th electric capacity 23 selected backs select the 5th resistance 21 can determine charge constant τ
1, promptly the charging of the 6th electric capacity 23 and discharge time constant can freely be selected, for guaranteeing safety protection function, common discharge time constant τ with the 6th electric capacity 23
2Select enough for a short time, and charge constant τ
1Can select as required.The effect of voltage-stabiliser tube 25 is for providing DC channel discharging the charge inducing of grid between the grid of field-effect transistor 26 and source electrode, and the 3rd diode 24 provides the afterflow path during for relay 27 coil blackouts.
The foregoing description is a preferred implementation of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under spirit of the present invention and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (10)
1. photoelectric protection formula safety socket, comprise the socket power input circuit in housing and the housing, described housing is provided with firewire jack and zero line jack, it is characterized in that: also comprise the protective device that places in the housing, described protective device comprises direct current regulation circuit, photoelectric identificating circuit, delay circuit and executive circuit, the input of described direct current regulation circuit is connected with zero line with the live wire of external AC power supply respectively, and its output is connected with photoelectric identificating circuit, executive circuit; Photoelectric identificating circuit, delay circuit and executive circuit are connected successively, and executive circuit is connected with socket interpolation block electric power incoming line circuit, and the live wire of executive circuit external AC power supply and zero line; Described housing is provided with unthreaded hole on the surface between firewire jack and the zero line jack; the position of described unthreaded hole and the corresponding setting of photoelectric identificating circuit in the protective device; described firewire jack and zero line jack external plug, described plug are provided with the reflective label corresponding with unthreaded hole.
2. photoelectric protection formula safety socket according to claim 1 is characterized in that: described photoelectric identificating circuit comprises infrared tube, the 3rd resistance and the 4th resistance, and the 3rd resistance, the 4th resistance are connected with infrared tube respectively; Described infrared tube comprises emission input, emission output, receives input and receives output, described emission input is connected with output, the executive circuit of direct current regulation circuit, the emission output is connected the other end ground connection of the 3rd resistance with an end of the 3rd resistance; Receive input and be connected, receive output and be connected the other end ground connection of the 4th resistance with an end, the delay circuit of the 4th resistance with output, the executive circuit of direct current regulation circuit.
3. photoelectric protection formula safety socket according to claim 2; it is characterized in that: described infrared tube is made of emitting diode and reception triode; emitting diode just very launch input; the negative pole of emitting diode is the emission output; the current collection that receives triode very receives input, and the emission that receives triode very receives output.
4. photoelectric protection formula safety socket according to claim 2, it is characterized in that: described delay circuit comprises first diode, the 5th resistance, second diode and the 6th electric capacity, the positive pole of described first diode is connected with the reception output of photoelectric identificating circuit, its negative pole is connected with an end of the 5th resistance, the other end of the 5th resistance is connected with an end of the 6th electric capacity, the other end ground connection of the 6th electric capacity; One end of described the 6th electric capacity is connected with executive circuit; The negative pole of described second diode is connected with the reception output of photoelectric identificating circuit, and its positive pole is connected with an end of the 6th electric capacity.
5. photoelectric protection formula safety socket according to claim 4, it is characterized in that: described executive circuit comprises field-effect transistor, voltage-stabiliser tube, the 3rd diode and relay, one end of the 6th electric capacity in the grid of described field-effect transistor and the delay circuit is connected, its source ground, its drain electrode is connected with an end of relay, the positive pole of the 3rd diode; The negative pole of the 3rd diode is connected with the other end of the output of direct current regulation circuit, relay; The live wire of one end external AC power supply of first normally opened contact of described relay, its other end is connected with the socket power input circuit; The zero line of one end external AC power supply of second normally opened contact of described relay, its other end is connected with the socket power input circuit.
6. according to each described photoelectric protection formula safety socket of claim 1～5, it is characterized in that: described direct current regulation circuit comprises first resistance, second resistance, first electric capacity, rectifier bridge, second electric capacity, the 3rd electric capacity, integrated three-terminal regulator, the 4th electric capacity and the 5th electric capacity, rectifier bridge comprises first input end, first output, second input and second output, integrated three-terminal regulator comprises first pin, second pin and the 3rd pin, and the first input end of described first resistance, first electric capacity, rectifier bridge connects successively; First output of rectifier bridge is connected with first pin of integrated three-terminal regulator; The live wire of the other end external AC power supply of first resistance; The 3rd pin of integrated three-terminal regulator is connected with photoelectric identificating circuit, executive circuit; Second resistance is connected in parallel on the two ends of first electric capacity; The zero line of the second input external power supply of rectifier bridge, its second output head grounding; Second electric capacity is in parallel with the 3rd electric capacity, and an end of second electric capacity is connected with first pin of integrated three-terminal regulator, and its other end is connected with second pin of integrated three-terminal regulator; The second pin ground connection of integrated three-terminal regulator; The 4th electric capacity is in parallel with the 5th electric capacity, and an end of the 4th electric capacity is connected with the 3rd pin of integrated three-terminal regulator, and its other end is connected with second pin of integrated three-terminal regulator.
7. photoelectric protection formula safety socket according to claim 6 is characterized in that: the 3rd pin of described integrated three-terminal regulator is the output of described direct current regulation circuit.
8. photoelectric protection formula safety socket according to claim 1 is characterized in that: described reflective label is the adhesive label of infrared reflection film lining.
9. photoelectric protection formula safety socket according to claim 8 is characterized in that: described reflective label is located on the outer surface of the external plug bottom of described socket, and the corresponding setting with unthreaded hole in its position.
10. the photoelectric protection method of each described safety socket of claim 1～9, it is characterized in that: described direct current regulation circuit carries out step-down with the 220V alternating voltage by first resistance, second resistance, first electric capacity, carry out rectification by rectifier bridge again after the step-down, carry out filtering by second electric capacity, the 3rd electric capacity, carry out voltage stabilizing by integrated three-terminal regulator, the 4th electric capacity and the 5th electric capacity voltage after to the integrated three-terminal regulator voltage stabilizing carries out filtering, obtains direct voltage after voltage stabilizing and filtering; Direct voltage is given photoelectric identificating circuit, executive circuit power supply; In the photoelectric identificating circuit, the infrared light that the emitting diode of infrared tube sends is outwards launched by the unthreaded hole on the housing, when the plug of outside fully inserts socket, the copper spare of plug contacts with socket copper spare, infrared light is received by the reception triode of infrared tube in the housing through the unthreaded hole on the housing after by the reflective tag reflection of plug lower surface, receive the triode conducting, this moment first diode current flow in the delay circuit, second diode ends, the output of direct current regulation circuit is by receiving triode, first diode, the 5th resistance charges to the 6th electric capacity, after the delay circuit time-delay, when the 6th electric capacity joins the voltage of an end during greater than the cut-in voltage of field-effect transistor at the positive pole with second diode, field-effect transistor conducting in the executive circuit, the coil electricity of relay, first normally opened contact of relay and the second normally opened contact closure, connect housing interpolation block electric power incoming line circuit, make the copper spare in the socket power input circuit switch on, and the plug through contacting with socket copper spare is to electric power supply; When plug does not insert fully that jack or plug are inserted timing or when plug is extracted jack above certain height, the infrared light that photoelectric identificating circuit sends can not be reflected or reverberation can not enter the unthreaded hole on the housing and can not be received by the reception triode of photoelectric identificating circuit, the reception triode ends, first diode in the delay circuit ends at this moment, second diode current flow, the 6th electric capacity is by second diode, the 4th resistance discharges rapidly, when the 6th electric capacity joins the voltage of an end during less than the cut-in voltage of field-effect transistor at the positive pole with second diode, field-effect transistor in the executive circuit ends, the coil blackout of relay, first normally opened contact of relay and second normally opened contact disconnect the socket power input circuit, copper spare in the socket power input circuit and plug outage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010527326 CN102035098B (en) | 2010-10-31 | 2010-10-31 | Photoelectric protective safety socket and photoelectric protective method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010527326 CN102035098B (en) | 2010-10-31 | 2010-10-31 | Photoelectric protective safety socket and photoelectric protective method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102035098A true CN102035098A (en) | 2011-04-27 |
| CN102035098B CN102035098B (en) | 2013-04-24 |
Family
ID=43887639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010527326 Active CN102035098B (en) | 2010-10-31 | 2010-10-31 | Photoelectric protective safety socket and photoelectric protective method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102035098B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104810685A (en) * | 2014-01-23 | 2015-07-29 | 北京维森科技有限公司 | Method, socket and system used for guaranteeing safe power supply |
| CN108199220A (en) * | 2018-03-22 | 2018-06-22 | 苏州市职业大学（苏州开放大学） | A kind of three hole safety sockets of protection against electric shock |
| CN110474190A (en) * | 2019-08-08 | 2019-11-19 | 南昌华飞物联技术有限公司 | A kind of anti-electric shock socket |
| US10693262B2 (en) | 2015-04-01 | 2020-06-23 | Elifeconnection Co., Ltd. | Sparkless socket |
| CN111903011A (en) * | 2018-02-05 | 2020-11-06 | 新加坡国立大学 | Smart electrical receptacle/outlet apparatus, systems, and related methods |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI584539B (en) * | 2015-04-01 | 2017-05-21 | 易家居聯網科技有限公司 | Sparkless socket |
Citations (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4853823A (en) * | 1986-10-23 | 1989-08-01 | Amp Incorporated | Safety receptacle |
| CN2100638U (en) * | 1991-07-09 | 1992-04-01 | 成都微电脑辅助工程研究所 | Reflecting and refracting photoelectric position monitoring alarm |
| CN1068438A (en) * | 1991-07-09 | 1993-01-27 | 成都微电脑辅助工程研究所 | Reflection-refraction type photoelectronic position monitoring alarm |
| JPH11214100A (en) * | 1998-01-20 | 1999-08-06 | Smk Corp | Composite connector device for light signal and power supply |
| CN1295312A (en) * | 2000-11-13 | 2001-05-16 | 东南大学 | Grid pulse generator for color display tube |
| CN2469581Y (en) * | 2001-03-17 | 2002-01-02 | 陈全俤 | Multifunction autodistinguishing shockproof safety jack |
| CN1395106A (en) * | 2001-07-07 | 2003-02-05 | 余永宽 | High, low voltage electric energy metering device for automatically controlling current transformer ratio conversion |
| CN2657229Y (en) * | 2003-08-01 | 2004-11-17 | 潘健 | Sound controlled, human body induction time-delay power supply socket |
| CN2781597Y (en) * | 2004-12-30 | 2006-05-17 | 叶绍东 | Multifunction computer socket |
| CN1925236A (en) * | 2006-09-11 | 2007-03-07 | 广州安杰安全节能电器有限公司 | Non-exposed arc safety socket |
| CN101001010A (en) * | 2007-01-18 | 2007-07-18 | 南京化工职业技术学院 | Automatic control type domestic lightning protection device |
| CN2932734Y (en) * | 2006-06-01 | 2007-08-08 | 上海久隆电力科技有限公司 | Computer intelligent electricity-saving socket |
| CN2935230Y (en) * | 2006-04-27 | 2007-08-15 | 蒋振东 | Electricity saving protector |
| CN200969453Y (en) * | 2006-11-22 | 2007-10-31 | 长春金鹰智谷科技集团有限公司 | Multifunctional sensor socket |
| CN200969452Y (en) * | 2006-11-22 | 2007-10-31 | 长春金鹰智谷科技集团有限公司 | Plug-and-play sensor socket for mine |
| US20080003840A1 (en) * | 2004-09-17 | 2008-01-03 | Thales | Plug Connector Having Electric and Optical Contacts |
| CN201005501Y (en) * | 2007-03-13 | 2008-01-16 | 杭州电子科技大学 | Power-saving device of the electric cooker |
| CN201134584Y (en) * | 2007-11-09 | 2008-10-15 | 郭怀志 | Infra-red remote control moving socket |
| CN201256220Y (en) * | 2008-08-25 | 2009-06-10 | 姜树德 | Induction safety socket circuit |
| CN201285945Y (en) * | 2008-03-28 | 2009-08-05 | 上海理工大学 | Electric power socket |
| CN101640335A (en) * | 2009-09-01 | 2010-02-03 | 湖南奥盟电器有限公司 | Touch-type anti-electric shock socket |
| CN201503945U (en) * | 2009-09-01 | 2010-06-09 | 湖南奥盟电器有限公司 | Touch type electric shock prevention socket |
| CN201829710U (en) * | 2010-10-31 | 2011-05-11 | 华南理工大学 | Photoelectric protective safety socket |
-
2010
- 2010-10-31 CN CN 201010527326 patent/CN102035098B/en active Active
Patent Citations (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4853823A (en) * | 1986-10-23 | 1989-08-01 | Amp Incorporated | Safety receptacle |
| CN2100638U (en) * | 1991-07-09 | 1992-04-01 | 成都微电脑辅助工程研究所 | Reflecting and refracting photoelectric position monitoring alarm |
| CN1068438A (en) * | 1991-07-09 | 1993-01-27 | 成都微电脑辅助工程研究所 | Reflection-refraction type photoelectronic position monitoring alarm |
| JPH11214100A (en) * | 1998-01-20 | 1999-08-06 | Smk Corp | Composite connector device for light signal and power supply |
| CN1295312A (en) * | 2000-11-13 | 2001-05-16 | 东南大学 | Grid pulse generator for color display tube |
| CN2469581Y (en) * | 2001-03-17 | 2002-01-02 | 陈全俤 | Multifunction autodistinguishing shockproof safety jack |
| CN1395106A (en) * | 2001-07-07 | 2003-02-05 | 余永宽 | High, low voltage electric energy metering device for automatically controlling current transformer ratio conversion |
| CN2657229Y (en) * | 2003-08-01 | 2004-11-17 | 潘健 | Sound controlled, human body induction time-delay power supply socket |
| US20080003840A1 (en) * | 2004-09-17 | 2008-01-03 | Thales | Plug Connector Having Electric and Optical Contacts |
| CN2781597Y (en) * | 2004-12-30 | 2006-05-17 | 叶绍东 | Multifunction computer socket |
| CN2935230Y (en) * | 2006-04-27 | 2007-08-15 | 蒋振东 | Electricity saving protector |
| CN2932734Y (en) * | 2006-06-01 | 2007-08-08 | 上海久隆电力科技有限公司 | Computer intelligent electricity-saving socket |
| CN1925236A (en) * | 2006-09-11 | 2007-03-07 | 广州安杰安全节能电器有限公司 | Non-exposed arc safety socket |
| CN200969453Y (en) * | 2006-11-22 | 2007-10-31 | 长春金鹰智谷科技集团有限公司 | Multifunctional sensor socket |
| CN200969452Y (en) * | 2006-11-22 | 2007-10-31 | 长春金鹰智谷科技集团有限公司 | Plug-and-play sensor socket for mine |
| CN101001010A (en) * | 2007-01-18 | 2007-07-18 | 南京化工职业技术学院 | Automatic control type domestic lightning protection device |
| CN201005501Y (en) * | 2007-03-13 | 2008-01-16 | 杭州电子科技大学 | Power-saving device of the electric cooker |
| CN201134584Y (en) * | 2007-11-09 | 2008-10-15 | 郭怀志 | Infra-red remote control moving socket |
| CN201285945Y (en) * | 2008-03-28 | 2009-08-05 | 上海理工大学 | Electric power socket |
| CN201256220Y (en) * | 2008-08-25 | 2009-06-10 | 姜树德 | Induction safety socket circuit |
| CN101640335A (en) * | 2009-09-01 | 2010-02-03 | 湖南奥盟电器有限公司 | Touch-type anti-electric shock socket |
| CN201503945U (en) * | 2009-09-01 | 2010-06-09 | 湖南奥盟电器有限公司 | Touch type electric shock prevention socket |
| CN201829710U (en) * | 2010-10-31 | 2011-05-11 | 华南理工大学 | Photoelectric protective safety socket |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104810685A (en) * | 2014-01-23 | 2015-07-29 | 北京维森科技有限公司 | Method, socket and system used for guaranteeing safe power supply |
| CN104810685B (en) * | 2014-01-23 | 2018-01-19 | 北京维森科技有限公司 | For ensureing method, socket and the system of safe power supply |
| US10693262B2 (en) | 2015-04-01 | 2020-06-23 | Elifeconnection Co., Ltd. | Sparkless socket |
| CN111903011A (en) * | 2018-02-05 | 2020-11-06 | 新加坡国立大学 | Smart electrical receptacle/outlet apparatus, systems, and related methods |
| CN108199220A (en) * | 2018-03-22 | 2018-06-22 | 苏州市职业大学（苏州开放大学） | A kind of three hole safety sockets of protection against electric shock |
| CN110474190A (en) * | 2019-08-08 | 2019-11-19 | 南昌华飞物联技术有限公司 | A kind of anti-electric shock socket |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102035098B (en) | 2013-04-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102035098B (en) | Photoelectric protective safety socket and photoelectric protective method thereof | |
| CN103023081A (en) | Mobile power supply with electric quantity detection function | |
| CN205051931U (en) | LED's drive power supply | |
| CN202095145U (en) | Intelligent charging-discharging protection solar body infrared induction lamp | |
| CN102290688A (en) | Energy-saving socket favorable for realizing zero power consumption in standby or off state of external load | |
| CN201829710U (en) | Photoelectric protective safety socket | |
| CN203407043U (en) | Power supply apparatus of intelligent LED emergency lamp | |
| CN202142728U (en) | Energy-saving socket benefit for realizing zero power consumption when external load is under standby or shutdown state | |
| CN2539336Y (en) | Automatic charger with multiple protection function | |
| CN203967775U (en) | A kind of portable power source circuit | |
| CN203481904U (en) | Charger with battery reverse connection detection and protection functions | |
| CN202888925U (en) | Charging protector for electric vehicle | |
| CN203243559U (en) | Indication lamp circuit and adapter | |
| CN205986253U (en) | Electric motor car battery charger's auto -power -off circuit | |
| CN104882742A (en) | Intelligent charging socket | |
| CN105098805A (en) | Voltage zero-crossing switching control verification method and switching control device | |
| CN211321213U (en) | High-voltage starting circuit integrating zero-crossing detection and X capacitor discharge | |
| CN210958902U (en) | Circuit for controlling charging of emergency lighting lamp by using switch | |
| CN202676794U (en) | Solar high-voltage charged display device | |
| CN104659847A (en) | Battery charging control circuit and lamp | |
| CN103312025A (en) | Intelligent power supply control system | |
| CN106160122A (en) | A kind of automatic power-off circuit of electromobile battery charger | |
| CN102759652A (en) | Solar high-voltage presence indicating device | |
| CN202817877U (en) | Solar energy and commercial power complementation controller for street lamp illumination | |
| CN202524152U (en) | Portable storage battery paralleling device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |