CN202159853U - Intelligent socket - Google Patents
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- CN202159853U CN202159853U CN2011200842660U CN201120084266U CN202159853U CN 202159853 U CN202159853 U CN 202159853U CN 2011200842660 U CN2011200842660 U CN 2011200842660U CN 201120084266 U CN201120084266 U CN 201120084266U CN 202159853 U CN202159853 U CN 202159853U
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Abstract
The utility model discloses an intelligent socket, comprising a rectification circuit, a test circuit, a signal processing circuit, a leakage current monitoring circuit, an execution circuit, a release mechanism, an indication circuit and a power supply output jack, and also comprising a load current monitoring circuit, a voltage monitoring circuit and a starting circuit. The utility model provides an intelligent socket, which has zero power consumption, good university, obvious energy saving effect, complete protection functions, small action current, high sensitivity, and stable and reliable performances. The socket realtimely monitors the load current, the leakage current and the electrical network voltage of an electric appliance by using a current transformer and an electronic line matched thereto, when the load current, the leakage current or the electrical network voltage exceeds a setting value, a power supply is fast cut off, and the electric appliance and personal are protected; and when the load current exceeds a lower limit setting value, the power supply is turned off delayedly, and the standby energy consumption of the electric appliance is eliminated, thus realizing intelligent management of the power supply of the electric appliance.
Description
Technical field
The utility model relates to electronics, electric product technical field, relates in particular to a kind of energy-conserving intelligent socket with multifunction protection.
Background technology
The socket that has defencive function in the market, its function singleness, protection range is narrow, operating current is big, sensitivity is low, unstable properties.It is the mechanical type overcurrent protection switch of core that overload protective device still adopts with the bimetal leaf, and its break-time is influenced by environmental temperature, and the disjunction delay time is longer, and deenergization does not have the safeguard protection effect on the practical significance rapidly.The actuator of earth leakage protective device still adopts the tripping mechanism of coupling type; Be prone to buckle or slide fastener phenomenon, and break-time is longer, operating current is 30～100mA greatly, still; Greater than the human body electric current 10mA that is perfectly safe, do not have the safeguard protection effect on the real practical significance yet.
Existing energy-conservation socket; Circuit design all more complicated, versatility is relatively poor, the layman is not easy to operate, cost is high, should not promote; And oneself power consumption is basically all greater than 2W, and correlation standard: therefore the stand-by power consumption of LCD and LCD TV is all less than 1W; Long-term use so energy-conservation socket, not only not energy-conservation, also waste a large amount of electric energy.
The utility model content
For addressing the above problem, the utility model provides a kind of zero-power, versatility is good, energy-saving effect is obvious, defencive function is complete, operating current is little, highly sensitive, stable and reliable for performance smart jack.
The smart jack of the utility model; Comprise rectification circuit, test circuit, signal processing circuit, leakage current supervisory circuit, executive circuit, tripping mechanism, indicating circuit and power supply output plughole, described smart jack also comprises load current supervisory circuit, voltage monitoring circuit and start-up circuit.
Described rectification circuit is made up of rectifier diode D1～D4, and its input is connected respectively on the phase line L and center line N of output AC power source, and output is that signal processing circuit, load current supervisory circuit and voltage monitoring circuit etc. provide the operate as normal power supply.
Described test circuit, whether in proper working order, be composed in series by test resistance R5 and Test Switchboard S2 if being used to detect the utility model, and an end is connected on the center line N of input ac power, and the other end is connected on the phase line L of output AC power source.
Described signal processing circuit by signal processing chip IC and on every side Resistor-Capacitor Unit form, be used to receive the detected leakage current signal of described leakage current supervisory circuit, after carrying out computing again, amplifying, be transported to described executive circuit.
Described leakage current supervisory circuit by zero sequence current mutual inductor TA1 and on every side Resistor-Capacitor Unit form, be used for the leakage current signal that testing circuit occurs.The signal of telecommunication that the secondary winding of described zero sequence current mutual inductor TA1 induces after Resistor-Capacitor Unit processing around described, is transported to 1 pin and 2 pin of described signal processing chip IC respectively.
Described executive circuit is made up of tripping coil L2, controllable silicon Q2 and anti-interference capacitor C6.The end of described tripping coil L2 is connected on the phase line L of out-put supply; The other end is connected to the anode of described controllable silicon Q2; The negative electrode of described controllable silicon Q2 is connected to the negative terminal of described rectification circuit output, and the control utmost point is used to receive the output signal of described signal processing chip IC, the load current signal after the processing of load current supervisory circuit and the failure voltage signal after the processing of described voltage monitoring circuit.
Described tripping mechanism is made up of moving iron core, tripping coil L2, resetting coil L1, two static magnets, the two pairs of contacts and coil rack etc.; Be used for connecting and the branch deenergizing; All on described coil rack, the described moving moving contact that drives unshakable in one's determination is free to slide between described two static magnets for described tripping coil L2 and resetting coil L1.
Described indicating circuit is used to indicate the operating state of the utility model, is composed in series by current-limiting resistance R17 and LED, and an end is connected on the center line N of out-put supply, and the other end is connected on the phase line L of out-put supply.
Described power supply output plughole is used to connect television set, video disc player, STB, host computer, display even load electrical equipment, for load appliance provides required AC power.
Described load current supervisory circuit by current transformer TA2, triode Q4 and on every side Resistor-Capacitor Unit form, be used to monitor the variation of load current.The elementary winding of described current transformer TA2 is connected with phase line of power L, after the signal of telecommunication that secondary winding induces is handled through Resistor-Capacitor Unit around described, is transported to the positive pole and the described triode Q4 base stage of sustained diode 13 respectively.When the load current in the circuit is between the higher limit of setting value and lower limit; After the signal of telecommunication that the secondary winding of described current transformer TA2 induces is handled through Resistor-Capacitor Unit around described; Can not make sustained diode 13 forward conductions, but can keep described triode Q4 conducting, promptly keep the normal connection work of the utility model; When the load current in the circuit surpasses upper limit setting value; After the signal of telecommunication that the secondary winding of described current transformer TA2 induces is handled through Resistor-Capacitor Unit around described; Make sustained diode 13 forward conductions; Trigger described controllable silicon Q2 conducting simultaneously, make tripping coil L2 flow through the positive half cycle of AC power, described tripping mechanism moves, deenergization; When load appliance shutdown back or the utility model is connected afterwards, load appliance is not started shooting; That load current in the circuit becomes is very little, when surpassing the lower limit setting value; After the signal of telecommunication that the secondary winding of described current transformer TA2 induces is handled through Resistor-Capacitor Unit around described; No longer can keep described triode Q4 conducting, the utility model will be delayed time and shut down after a period of time.
Described voltage monitoring circuit is made up of overvoltage crowbar and under-voltage protecting circuit.Described overvoltage crowbar is to protect electric equipment when supply voltage surpasses upper limit setting value, exempts from damage; Described under-voltage protecting circuit is to protect electric equipment when supply voltage surpasses the lower limit setting value, exempts from damage.
Described start-up circuit by rectifier diode D5, resetting coil L1, controllable silicon Q1, reset switch S1 and on every side Resistor-Capacitor Unit form.The positive pole of described rectifier diode D5 is connected to the end that input phase line of power L goes up, negative pole is connected to described resetting coil L1, and the other end of described resetting coil L1 is connected to the anode of described controllable silicon Q1.When connecting described reset switch S1, the described controllable silicon Q1 conducting that is triggered, the positive half cycle of described resetting coil L1 conducting AC power makes described tripping mechanism action, accomplishes energized work simultaneously.
The beneficial effect of the utility model smart jack is: this socket utilizes the variation of load current, leakage current and the line voltage of the real-time monitoring circuit equipment of the electronic circuit of current transformer and coupling; When load current, leakage current or line voltage surpass setting value, ability fast shut-off power supply, protection electric equipment and personal safety; When load current surpasses the lower limit setting value; Ability time delayed turn-off power supply, the standby energy consumption of elimination electric equipment, the intelligent management of realization electric equipment power supply.
The utility model oneself power consumption is very little, almost nil; Adopt leakage current supervisory circuit, load current supervisory circuit, voltage monitoring circuit and piezo-resistance RV simultaneously, had functions such as the automatic shutdown of earth leakage protective, overload protection, short-circuit protection, overvoltage protection, under-voltage protection, lightning protection and standby.
Description of drawings
Fig. 1 is the functional-block diagram of smart jack in the utility model;
Fig. 2 is the circuit theory diagrams of smart jack in the utility model.
Embodiment
Below in conjunction with Figure of description the utility model smart jack is described further.
Referring to Fig. 1 and Fig. 2; The smart jack of the utility model; Comprise rectification circuit, test circuit, signal processing circuit, leakage current supervisory circuit, executive circuit, tripping mechanism, indicating circuit and power supply output plughole, the utility model also comprises load current supervisory circuit, voltage monitoring circuit and start-up circuit.
Described rectification circuit is made up of rectifier diode D1～D4, and its input is connected respectively on the phase line L and center line N of output AC power source, and output is that signal processing circuit, load current supervisory circuit and voltage monitoring circuit etc. provide the operate as normal power supply.
Described test circuit, whether in proper working order, be composed in series by test resistance R5 and Test Switchboard S2 if being used to detect the utility model.The end of described test resistance R5 is connected on the center line N of input power supply, and the other end links to each other with the end of described Test Switchboard S2, and the other end of described Test Switchboard S2 is connected on the phase line L of output AC power source.
Described signal processing circuit by signal processing chip IC and on every side Resistor-Capacitor Unit form.Described signal processing chip is earth leakage protective device special chip VG54123; Be used to receive the detected leakage current signal of described leakage current supervisory circuit; Carry out computing again, amplify the back, be transported to the control utmost point of controllable silicon Q2 through sustained diode 14 by the output of 7 pin.
Described leakage current supervisory circuit by zero sequence current mutual inductor TA1 and on every side Resistor-Capacitor Unit form, be used for the leakage current signal that testing circuit occurs.One end of the secondary winding of described zero sequence current mutual inductor TA1 is connected respectively to 1 pin of described signal processing chip IC, the positive pole of voltage stabilizing didoe D6, the end of build-out resistor R3, the end of filter capacitor C1, the end of matching capacitance C2, and the other end of secondary winding is connected respectively to the negative pole of described voltage stabilizing didoe D6, the other end of build-out resistor R3, the other end of filter capacitor C1 and the end of current-limiting resistance R2; The other end of described current-limiting resistance R2 is connected to 2 pin of described signal processing chip IC; Described voltage stabilizing didoe D6 protects the secondary winding of described zero sequence current mutual inductor TA1 not burnt out.
Described executive circuit is made up of tripping coil L2, controllable silicon Q2 and anti-interference capacitor C6.The end of described tripping coil L2 is connected on the phase line L of out-put supply; The other end is connected to the anode of described controllable silicon Q2; The negative electrode of described controllable silicon Q2 is connected to the negative terminal of described rectification circuit output, and the control utmost point is connected respectively to positive pole and sustained diode 13, the D14 of voltage stabilizing didoe D9, D10, the negative pole of D11; Described anti-interference capacitor C6 is connected between the control utmost point and negative electrode of described controllable silicon Q2, is used to prevent that described controllable silicon Q2 from misleading.
Described tripping mechanism is made up of double-break switch K, tripping coil L2 and resetting coil L1, is used for connecting and the branch deenergizing.Described double-break switch K comprises moving iron core, two static magnets, the two pairs of contacts and coil rack etc.; All on described coil rack, the described moving moving contact that drives unshakable in one's determination is free to slide between described two static magnets for described tripping coil L2 and resetting coil L1.
Described indicating circuit is used to indicate the operating state of the utility model, is composed in series by current-limiting resistance R17 and LED.The end of described current-limiting resistance R17 is connected on the center line N of output AC power source, and the other end is connected to the positive pole of described LED, and the negative pole of described LED is connected on the phase line L of output AC power source.
Described power supply output plughole is used to connect television set, video disc player, STB, host computer, display even load electrical equipment, for load appliance provides required AC power.
Described load current supervisory circuit by current transformer TA2, triode Q4 and on every side Resistor-Capacitor Unit form, be used to monitor the variation of load current.The elementary winding of described current transformer TA2 is connected with input phase line of power L; One end of secondary winding is connected respectively to the end of filter capacitor C8, the end of adjustable resistance R15 and the negative terminal of described rectification circuit output, and the other end of secondary winding is connected to the positive pole of rectifier diode D12; The negative pole of described rectifier diode D12 is connected respectively to the other end of filter capacitor C8, the end of divider resistance R14 and the end of current limliting adjustable resistance R4; The other end of described divider resistance R14 is connected respectively to the other end of adjustable resistance R15 and the positive pole of sustained diode 13; The negative pole of described sustained diode 13 is connected to the control utmost point of described controllable silicon Q2; The other end of described current limliting adjustable resistance R4 is connected to the base stage of described triode Q4; The emitter of described triode Q4 is connected to the negative terminal of described rectification circuit output, and collector electrode is connected respectively to the end of current-limiting resistance R16, the positive pole of delay capacitor C10 and the negative pole of voltage stabilizing didoe D9; The other end of described current-limiting resistance R16 is connected respectively to the end of current-limiting resistance R1 and 8 pin of described signal processing chip IC; The other end of described current-limiting resistance R1 is connected to the anode of described rectification circuit output; The negative pole of described delay capacitor C10 is connected to the negative terminal of described rectification circuit output; The positive pole of described voltage stabilizing didoe D9 is connected to the control utmost point of described controllable silicon Q2.
Described voltage monitoring circuit is made up of overvoltage crowbar and under-voltage protecting circuit.Described overvoltage crowbar is made up of divider resistance R9, dividing potential drop adjustable resistance R12 and sustained diode 11; Anode, the other end that the end of described divider resistance R9 is connected to described rectification circuit output are connected to the end of described dividing potential drop adjustable resistance R12 and the positive pole of described sustained diode 11; The other end of described dividing potential drop adjustable resistance R12 is connected to the negative terminal of described rectification circuit output, and the negative pole of described sustained diode 11 is connected to the control utmost point of described controllable silicon Q2.Described under-voltage protecting circuit is made up of divider resistance R11, dividing potential drop adjustable resistance R13, controllable silicon Q3, current-limiting resistance R10, delay capacitor C11 and voltage stabilizing didoe D10; Anode, the other end that the end of described divider resistance R11 is connected to described rectification circuit output are connected to the end of described dividing potential drop adjustable resistance R13 and the control utmost point of described controllable silicon Q3; The other end of described dividing potential drop adjustable resistance R13 is connected to the negative terminal of described rectification circuit output; Anode, the other end that the end of described current-limiting resistance R10 is connected to described rectification circuit output are connected respectively to the negative pole of the anode of described controllable silicon Q3, described voltage stabilizing didoe D10 and the positive pole of described delay capacitor C11; The negative pole of the negative electrode of described controllable silicon Q3 and described delay capacitor C11 all is connected to the negative terminal of described rectification circuit output, and the positive pole of described voltage stabilizing didoe D10 is connected to the control utmost point of described controllable silicon Q2.
Described start-up circuit by rectifier diode D5, resetting coil L1, controllable silicon Q1, reset switch S1 and on every side Resistor-Capacitor Unit form.The positive pole of described rectifier diode D5 is connected on the input phase line of power L, negative pole is connected to the end of described resetting coil L1 and the end of current-limiting resistance R8; The anode of described controllable silicon Q1 is connected to the other end of described resetting coil L1, and negative electrode is connected on the center line N of input power supply, and the control utmost point is connected respectively to the positive pole of D7 of an end and voltage stabilizing didoe of an end, the build-out resistor R7 of filter capacitor C7; The other end of the other end of described filter capacitor C7 and build-out resistor R7 all is connected on the center line N of input power supply; The other end of described current-limiting resistance R8 is connected to negative pole and the end of current-limiting resistance R6 of the D8 of voltage stabilizing didoe; The other end of described current-limiting resistance R6 is connected to the positive pole of startup capacitor C 9 and the end of described reset switch S1; The positive pole of the D8 of described voltage stabilizing didoe all is connected on the center line N of input power supply with the negative pole that starts capacitor C 9; The other end of described reset switch S1 is connected to the negative pole of the D7 of described voltage stabilizing didoe.
The operation principle of the utility model is following:
One, energized:
Under normal circumstances, the cathode voltage of the voltage stabilizing didoe D8 in the start-up circuit is given through current-limiting resistance R6 and is started capacitor C 9 chargings, when reset switch S1 connects; Start the electric charge that stores in the capacitor C 9, behind voltage stabilizing didoe D7, be transported to the control utmost point of controllable silicon Q1, trigger controllable silicon Q1 conducting; The positive half cycle that makes AC power is through resetting coil L1; Simultaneously resetting coil L1 just produces electromagnetic force with iron core in its axle center hole, makes the tripping mechanism action, and double-break switch K is closed, be energized.
Two, earth leakage protective:
In normal working conditions, when electric leakage being arranged in the circuit loop or have the people to get an electric shock, the secondary winding of zero sequence current mutual inductor TA1 will induce faint electric leakage signal voltage; This signal voltage is delivered to 2 pin of signal processing chip IC through current-limiting resistance R2; After signal processing chip IC amplification, comparison, computing by 7 pin output, flow through sustained diode 14 again after, trigger controllable silicon Q2 conducting; Make tripping coil L2 flow through the positive half cycle of AC power; Simultaneously tripping coil L2 just produces electromagnetic force with iron core in its axle center hole, makes the tripping mechanism action, double-break switch K disjunction, is deenergization.
Three, analog leakance test:
In normal working conditions; Click Test Switchboard S2; The test circuit conducting, pass zero sequence current mutual inductor TA1 phase line L and center line N current value with regard to unequal, promptly produce the leakage current signal, just induce faint voltage signal on the secondary winding of zero sequence current mutual inductor TA1 simultaneously; The same with the earth leakage protective course of work, double-break switch K disjunction, deenergization.
Four, overvoltage protection:
Under normal circumstances, the dc voltage value that the rectification circuit rectification goes out changes along with the variation of AC supply voltage value, when the AC supply voltage value meets or exceeds upper limit setting value; Sustained diode 11 conductings in the voltage monitoring circuit; Trigger controllable silicon Q2 conducting, make tripping coil L2 flow through the positive half cycle of AC power, tripping coil L2 just produces electromagnetic force with the interior iron core of its axle center hole simultaneously; Make the tripping mechanism action, double-break switch K disjunction, deenergization.
Five, under-voltage protection:
Under normal circumstances, the dc voltage value that the rectification circuit rectification goes out changes along with the variation of AC supply voltage value, when the AC supply voltage value meets or exceeds the lower limit setting value; Controllable silicon Q3 turn-offs, and current-limiting resistance R10 gives delay capacitor C11 charging simultaneously, and the voltage on the delay capacitor C11 positive pole raises gradually; When being elevated to the threshold value of voltage stabilizing didoe D10, voltage stabilizing didoe D10 punctures, conducting, triggers controllable silicon Q2 conducting; Make tripping coil L2 flow through the positive half cycle of AC power; Tripping coil L2 just produces electromagnetic force with the interior iron core of its axle center hole simultaneously, makes the tripping mechanism action, double-break switch K disjunction, deenergization.
Six, overload protection and short-circuit protection:
In normal working conditions; The part of the signal of telecommunication that the secondary winding of current transformer TA2 induces through current limliting adjustable resistance R4 be delivered to triode Q4 base stage, keep the conducting of triode Q4; Promptly keep the connection work of the utility model; A part is delivered to the positive pole of dividing potential drop adjustable resistance R15 and sustained diode 13 through divider resistance R14, but can not make sustained diode 13 forward conductions.
In circuit loop load current increase, and when meeting or exceeding upper limit setting value, the signal of telecommunication that the secondary winding of current transformer TA2 induces; After divider resistance R14 and dividing potential drop adjustable resistance R15 dividing potential drop; Make sustained diode 13 forward conductions, trigger controllable silicon Q2 conducting simultaneously, make tripping coil L2 flow through the positive half cycle of AC power; Tripping coil L2 just produces electromagnetic force with the interior iron core of its axle center hole simultaneously; Make the tripping mechanism action, double-break switch K disjunction, i.e. deenergization, protection electrical equipment.
Seven, standby is shut down automatically:
In normal working conditions, when load appliance shutdown back or the utility model is connected the back, load appliance is not started shooting, in the circuit loop just become very little of load current in addition into zero, above the lower limit setting value; This moment, the signal of telecommunication that induces of secondary winding of current transformer TA2 was very faint, behind current limliting adjustable resistance R4, no longer can keep triode Q4 conducting, be that triode Q4 ends; Current-limiting resistance R16 gives delay capacitor C10 charging simultaneously; Current potential on the collector electrode of triode Q4 becomes high potential, also raises gradually, and when being elevated to the threshold value of voltage stabilizing didoe D9, voltage stabilizing didoe D9 punctures, conducting; Trigger controllable silicon Q2 conducting; Make tripping coil L2 flow through the positive half cycle of AC power, tripping coil L2 just produces electromagnetic force with the interior iron core of its axle center hole simultaneously, makes the tripping mechanism action; Double-break switch K disjunction, i.e. deenergization, realization shutdown automatically.
Above embodiment describes the preferred implementation of the utility model; Be not that scope to the utility model limits; Under the prerequisite that does not break away from the utility model design spirit; Various distortion and improvement that the common engineers and technicians in this area make the technical scheme of the utility model all should fall in the protection range that claims of the utility model confirm.
Claims (9)
1. smart jack; Comprise rectification circuit, test circuit, signal processing circuit, leakage current supervisory circuit, executive circuit, tripping mechanism, indicating circuit and power supply output plughole; The input of said rectification circuit is connected respectively on the phase line L and center line N of output AC power source, and output is that signal processing circuit, load current supervisory circuit and voltage monitoring circuit etc. provide the operate as normal power supply:
Test circuit, whether be used to detect the utility model in proper working order;
Described signal processing circuit is used to receive the detected leakage current signal of described leakage current supervisory circuit, after carrying out computing again, amplifying, is transported to described executive circuit;
Described leakage current supervisory circuit by zero sequence current mutual inductor TA1 and on every side Resistor-Capacitor Unit form, be used for the leakage current signal that testing circuit occurs;
Described tripping mechanism is used for connecting and the branch deenergizing, and described indicating circuit is used to indicate the operating state of the utility model;
It is characterized in that: described smart jack also comprises load current supervisory circuit, voltage monitoring circuit and start-up circuit; Described load current supervisory circuit by current transformer TA2, triode Q4 and on every side Resistor-Capacitor Unit form; Be used to monitor the variation of load current; The elementary winding of described current transformer TA2 is connected with phase line of power L; After the signal of telecommunication that secondary winding induces is handled through Resistor-Capacitor Unit around described, be transported to the positive pole and the described triode Q4 base stage of sustained diode 13 respectively;
Described voltage monitoring circuit is made up of overvoltage crowbar and under-voltage protecting circuit.
Described start-up circuit by rectifier diode D5, resetting coil L1, controllable silicon Q1, reset switch S1 and on every side Resistor-Capacitor Unit form; The positive pole of described rectifier diode D5 is connected to the end that input phase line of power L goes up, negative pole is connected to described resetting coil L1; The other end of described resetting coil L1 is connected to the anode of described controllable silicon Q1; When connecting described reset switch S1; The described controllable silicon Q1 conducting that is triggered, the positive half cycle of described resetting coil L1 conducting AC power makes described tripping mechanism action, accomplishes energized work simultaneously.
2. smart jack according to claim 1 is characterized in that: described rectification circuit is made up of rectifier diode D1～D4.
3. smart jack according to claim 1 is characterized in that: described test circuit is composed in series by test resistance R5 and Test Switchboard S2, and an end is connected on the center line N of input ac power, and the other end is connected on the phase line L of output AC power source.
4. smart jack according to claim 1 is characterized in that: described signal processing circuit by signal processing chip IC and on every side Resistor-Capacitor Unit form.
5. smart jack according to claim 1; It is characterized in that: the signal of telecommunication that the secondary winding of described zero sequence current mutual inductor TA1 induces; After Resistor-Capacitor Unit processing around described, be transported to 1 pin and 2 pin of described signal processing chip IC respectively.
6. smart jack according to claim 1; It is characterized in that: described executive circuit is made up of tripping coil L2, controllable silicon Q2 and anti-interference capacitor C6; The end of described tripping coil L2 is connected on the phase line L of out-put supply; The other end is connected to the anode of described controllable silicon Q2; The negative electrode of described controllable silicon Q2 is connected to the negative terminal of described rectification circuit output, and the control utmost point is used to receive the output signal of described signal processing chip IC, the load current signal after the processing of load current supervisory circuit and the failure voltage signal after the processing of described voltage monitoring circuit.
7. smart jack according to claim 1; It is characterized in that: described tripping mechanism is made up of moving iron core, tripping coil L2, resetting coil L1, two static magnets, the two pairs of contacts and coil rack etc.; All on described coil rack, the described moving moving contact that drives unshakable in one's determination is free to slide between described two static magnets for described tripping coil L2 and resetting coil L1.
8. smart jack according to claim 1; It is characterized in that: described indicating circuit; Be used to indicate the operating state of the utility model; Be composed in series by current-limiting resistance R17 and LED, an end is connected on the center line N of out-put supply, and the other end is connected on the phase line L of out-put supply.
9. smart jack according to claim 1 is characterized in that: described power supply output plughole is used to connect television set, video disc player, STB, host computer, display even load electrical equipment, for load appliance provides required AC power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200842660U CN202159853U (en) | 2011-03-25 | 2011-03-25 | Intelligent socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200842660U CN202159853U (en) | 2011-03-25 | 2011-03-25 | Intelligent socket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202159853U true CN202159853U (en) | 2012-03-07 |
Family
ID=45767476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200842660U Expired - Lifetime CN202159853U (en) | 2011-03-25 | 2011-03-25 | Intelligent socket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202159853U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102946084A (en) * | 2012-11-23 | 2013-02-27 | 黄柄皓 | Multi-functional residual-current circuit breaker |
| CN104901089A (en) * | 2015-05-13 | 2015-09-09 | 佛山市顺德区信辉达电子有限公司 | Switching voltage type leakage protection plug |
| CN107422665A (en) * | 2017-06-08 | 2017-12-01 | 林文通 | Intelligence automatically powers off power-supply management system |
| CN111812556A (en) * | 2020-06-29 | 2020-10-23 | 深圳追日新能源技术有限公司 | Detection circuit with voltage-dividing resistor for good socket insertion |
| CN114200197A (en) * | 2021-12-29 | 2022-03-18 | 广州市万保职业安全事务有限公司 | Safety management circuit of gas station |
-
2011
- 2011-03-25 CN CN2011200842660U patent/CN202159853U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102946084A (en) * | 2012-11-23 | 2013-02-27 | 黄柄皓 | Multi-functional residual-current circuit breaker |
| CN104901089A (en) * | 2015-05-13 | 2015-09-09 | 佛山市顺德区信辉达电子有限公司 | Switching voltage type leakage protection plug |
| CN104901089B (en) * | 2015-05-13 | 2017-07-14 | 佛山市顺德区信辉达电子有限公司 | Change voltage-type leakage protecting plug |
| CN107422665A (en) * | 2017-06-08 | 2017-12-01 | 林文通 | Intelligence automatically powers off power-supply management system |
| CN111812556A (en) * | 2020-06-29 | 2020-10-23 | 深圳追日新能源技术有限公司 | Detection circuit with voltage-dividing resistor for good socket insertion |
| CN111812556B (en) * | 2020-06-29 | 2023-03-21 | 深圳领跑者新能源有限公司 | Detection circuit with voltage-dividing resistor for good socket insertion |
| CN114200197A (en) * | 2021-12-29 | 2022-03-18 | 广州市万保职业安全事务有限公司 | Safety management circuit of gas station |
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Granted publication date: 20120307 |
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| CX01 | Expiry of patent term |