CN204440048U - A kind of time power source on-off control device - Google Patents
A kind of time power source on-off control device Download PDFInfo
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- CN204440048U CN204440048U CN201420685281.4U CN201420685281U CN204440048U CN 204440048 U CN204440048 U CN 204440048U CN 201420685281 U CN201420685281 U CN 201420685281U CN 204440048 U CN204440048 U CN 204440048U
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Abstract
The utility model discloses a kind of time power source on-off control device, this device comprises: the first processing module, the second processing module and the 3rd processing module; The first input end of described first processing module is connected with power supply input, the second input end is connected with the first output terminal of described 3rd processing module, output terminal is connected with the input end of described second processing module, first output terminal of described second processing module is connected with the first input end of described 3rd processing module, the second output terminal is connected with the second input end of described 3rd processing module, and the second output terminal of described 3rd processing module exports with power supply and is connected.The utility model controls the frequent power on/off to arbitrary equipment by hardware driving, arbitrary equipment can also be controlled in power-off sometime or unlatching, achieve power on/off robotization, there is the advantage that the mode of connection is simple, operational reliability is high, easy to operate, solve traditional-handwork and operate the highly difficult defect that length consuming time, efficiency are low and additionally develop software.
Description
Technical field
The utility model relates to intelligent control technology, particularly relates to a kind of time power source on-off control device.
Background technology
In order to ensure the reliable and safety that equipment runs, device fabrication producer needed to carry out many detections to judge whether electrical equipment normally runs before equipment dispatches from the factory, wherein just comprise and the power on/off of equipment is detected, by carrying out the test of frequent power on/off to equipment, whether the circuit that can detect this electrical equipment is reliable, normal.
In prior art, the power on/off of electrical equipment is detected and is usually tested by manual manipulation method, or adopt complicated controller and program to realize test.
Namely manual operations is that artificial use manual mode closes or the power supply of off device, thus realizes energising to equipment, power-off test, and this manual method length consuming time, efficiency are low.And adopt the time power source on-off control device that complicated controller and program realize, need to configure computing machine and the upper computer software of more complicated that mates with this computing machine uses, its principle of work is, after host computer sets the time, order is issued to program of lower computer, the action being controlled output relay by the software timing of slave computer realizes time power source break-make, its defect is, need complicated software and hardware could develop a set of timed on-off of power control system, this control device is installed also more difficult, and development difficulty is higher.
Utility model content
The utility model provides a kind of time power source on-off control device, with solve traditional-handwork operation poor efficiency and additionally develop software highly difficult.
A kind of time power source on-off control device that the utility model provides, comprising: the first processing module, the second processing module and the 3rd processing module;
The first input end of described first processing module is connected with power supply input, the second input end is connected with the first output terminal of described 3rd processing module, output terminal is connected with the input end of described second processing module, first output terminal of described second processing module is connected with the first input end of described 3rd processing module, the second output terminal is connected with the second input end of described 3rd processing module, and the second output terminal of described 3rd processing module exports with power supply and is connected;
Described first processing module at least comprises: the first contact J1, the second contact J2, the 3rd contact J3, the 4th contact J4, K switch
jand counting circuit; The first end of described first contact J1 is connected with the live wire that described power supply inputs, the second end is directly connected with the first end of described second contact J2, second end of described second contact J2 and described K switch
jfirst end connect, described K switch
jthe second end be connected with the first end of described 3rd contact J3, second end of described 3rd contact J3 is connected with the input end of described second processing module; The first end of described counting circuit is connected with the first output terminal of described 3rd processing module, the second end is connected with the first end of described 4th contact J4;
Described second processing module at least comprises: the first contact S1, the second contact S2, the 3rd contact S3 and K switch
s; The first end of described first contact S1 is connected with the output terminal of described first processing module, the second end is directly connected with the first end of described second contact S2, and second end of described second contact S2 is connected with the first input end of described 3rd processing module, the 3rd end of described second contact S2 and described K switch
sfirst end connect, described K switch
sthe second end be connected with the first end of described 3rd contact S3, second end of described 3rd contact S3 is connected with the second input end of described 3rd processing module;
Described 3rd processing module at least comprises: the first K switch 1, second switch K2 and coil; The first end of described first K switch 1 is connected with the live wire that the first output terminal is connected, the second end exports with described power supply of described second processing module, the first end of described coil is connected with the zero line that the second output terminal is connected, the second end inputs with described power supply of described second processing module, and the first end of described second switch K2, the second end are connected to the second input end of described first processing module.
Further, described K switch
jacquiescence is closed.
Further, described K switch
sacquiescence disconnects.
Further, the input end that described power supply exports is connected with the second output terminal of described 3rd processing module, output terminal is connected with voltage/current controller.
Further, described first processing module is counting relay, and described second processing module is the time relay, and described 3rd processing module is auxiliary reclay.
A kind of time power source on-off control device that the utility model provides, by adopting simple mode of connection by the first processing module, second processing module and the assembling of the 3rd processing module, define the on/off can determining number of times timing to control, the frequent power on/off to arbitrary equipment can not only be controlled, arbitrary equipment can also be controlled in power-off sometime or unlatching, achieve the power on/off robotization of hardware driving to power on/off unit equipment, it is simple that this hardware driving mode has the mode of connection, be easy to realize, plant running reliability is high, easy to operate advantage, solve traditional-handwork and operate length consuming time, low and the highly difficult defect that additionally develops software of efficiency.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, introduce doing one to the accompanying drawing used required in embodiment or description of the prior art simply below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of a kind of time power source on-off control device that the utility model embodiment provides;
Fig. 2 is the wiring schematic diagram of the time power source on-off control device that the utility model embodiment provides;
Fig. 3 is the schematic appearance of the counting relay that the utility model embodiment provides;
Fig. 4 is the schematic appearance of the time relay that the utility model embodiment provides.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearly, hereinafter with reference to the accompanying drawing in the utility model embodiment, clearly and completely the technical solution of the utility model is described by embodiment, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Shown in figure 1, it is the schematic diagram of a kind of time power source on-off control device that the utility model embodiment provides.The technical scheme of the present embodiment is applicable to carry out power on/off based on hardware driving, to carry out power on/off detection by the voltage/current controller of power on/off to power on/off unit or timing makes power on/off unit be energized or the situation of power-off.Power on/off unit can be can carry out being energized or one or more electrical equipment of power-off or its combination, a such as independent air-conditioning, or the electrical equipment group be made up of multiple electrical equipment.Before control system of switching on or off electricity, need each equipment connection of carrying out in the power on/off unit of power on/off voltage/current controller control end at control device output terminal, and input at the input end access power supply of control device, this device adopts hardware mode realize and perform.
This time power source on-off control device comprises: the first processing module 110, second processing module 120 and the 3rd processing module 130; Wherein, first input end and the power supply of described first processing module 110 input that 140 are connected, the second input end is connected with the first output terminal of described 3rd processing module 130, output terminal is connected with the input end of described second processing module 120, first output terminal of described second processing module 120 is connected with the first input end of described 3rd processing module 130, the second output terminal is connected with the second input end of described 3rd processing module 130, and the second output terminal of described 3rd processing module 130 exports 150 with power supply and is connected.
Further, described first processing module 110 at least comprises: the first contact J1, the second contact J2, the 3rd contact J3, the 4th contact J4, K switch
jand counting circuit; Wherein, the first end of described first contact J1 is connected with the live wire that described power supply inputs 140, the second end is directly connected with the first end of described second contact J2, second end of described second contact J2 and described K switch
jfirst end connect, described K switch
jthe second end be connected with the first end of described 3rd contact J3, second end of described 3rd contact J3 is connected with the input end of described second processing module 120; The first end of described counting circuit is connected with the first output terminal of described 3rd processing module 130, the second end is connected with the first end of described 4th contact J4.
Further, described K switch
jacquiescence is closed.
Further, described second processing module 120 at least comprises: the first contact S1, the second contact S2, the 3rd contact S3 and K switch
s; Wherein, the first end of described first contact S1 is connected with the output terminal of described first processing module 110, the second end is directly connected with the first end of described second contact S2, and second end of described second contact S2 is connected with the first input end of described 3rd processing module 130, the 3rd end of described second contact S2 and described K switch
sfirst end connect, described K switch
sthe second end be connected with the first end of described 3rd contact S3, second end of described 3rd contact S3 is connected with the second input end of described 3rd processing module 130.
Further, described K switch
sacquiescence disconnects.
Further, described 3rd processing module 130 at least comprises: the first K switch 1, second switch K2 and coil; Wherein, the first end of described first K switch 1 is connected with the live wire that the first output terminal is connected, the second end exports 150 with described power supply of described second processing module 120, the first end of described coil is connected with the zero line that the second output terminal is connected, the second end inputs 140 with described power supply of described second processing module 120, and the first end of described second switch K2, the second end are connected to the second input end of described first processing module 110.
Further, the input end that described power supply exports 150 is connected with the second output terminal of described 3rd processing module 130, output terminal is connected with voltage/current controller.
Further, described first processing module 110 is counting relay, and described second processing module 120 is the time relay, and described 3rd processing module 130 is auxiliary reclay.
In order to more detailed explanation embodiment of the present utility model, composition graphs 2 is further elaborated each device of the present utility model.Fig. 2 is the wiring schematic diagram of the time power source on-off control device that the utility model embodiment provides.
In time power source on-off control device, arranging the first processing module 110 is counting relay 210, counting relay 210 also comprises count resets circuit (Reset), contact J5, J6, J7 and J8, the first end of this count resets circuit is connected to contact J5, second end is connected to the first end of contact J4, 3rd end of counting circuit (Count) is connected with the first end of contact J6, off-state is given tacit consent between second end of contact J4 and second end of J6, the zero line (N) that first end and the power supply of contact J7 input 140 is connected, second end is also connected with the power cathode in counting relay 210, 3rd end of contact J1 is connected with the positive source in counting relay 210, 3rd end of contact J2 is connected for opening a way with between the J8 of contact.Counting relay 210 for arranging power on/off number of times, use counting circuit to add up power on/off number of times and use count resets circuit to make counting relay 210 stop and returning back to original state, the power-off wherein carried out successively and once electrification are a complete power on/off, user according to different demand sets itself power on/off number of times, can reach the effect of determining number of times break-make and controlling.
The course of work of counting relay 210 is, after user sets power on/off number of times, power supply inputs the current delivery of 140 to contact J1, when the number of times of power on/off of counting circuit statistics is less than the power on/off number of times of setting, and K switch
jbe in lasting closure state, namely K switch
jacquiescence is closed, electric current from contact J1 through contact J2, K switch
jthe input end of the second processing module 120 is directly transferred to contact J3; The pulse signal that transmits according to the 3rd processing module 130 of counting circuit subsequently, makes the current number of times of power on/off increase by 1; When the number of times of power on/off of counting circuit counting equals the power on/off number of times set, cut-off switch K
j, electric current cannot transfer to the input end of the second processing module 120, and counting relay 210 quits work; When user starts count resets circuit, the number of times of the power on/off zero of counting circuit counting, counting relay 210 stops current operating state, can again start working from original state.
In time power source on-off control device, arranging the second processing module 120 is the time relay 220, the time relay 220 also comprises gate circuit (Gate), time reset circuit (Reset), contact S4, S5, S6, S7 and S8, the first end of this gate circuit is connected to contact S4, second end is connected to contact S7, the first end of this time reset circuit is connected to contact S5, second end is connected to contact S7, the first end of contact S6, second end is connected to power supply respectively and exports the zero line (N) of 150 and the zero line (N) of power supply input 140, three-terminal link is to the power cathode in the time relay 220, the three-terminal link of contact S1 is to the positive source in the time relay 220, 4th end of contact S2 is connected to contact S8.The time relay 220 for duration and a power-off that a break-make is set make-and-break time and use gate circuit timing when previous conduction time or power-off time and service time reset circuit make the time relay 220 stop and returning back to original state, user according to different demand sets itself conduction time and power-off time, can reach the effect that timing break-make controls.
The course of work of the time relay 220 is, user is the sets itself duration T 1 of a power-off and the duration T 2 of once electrification in advance, contact S1 receives the electric current that the first processing module 110 is transmitted, when gate circuit judges that current time is in the power-off time of setting, then and K switch
sin power-off time T1 continue disconnect, due to the time relay 220 first time power on/off original state be set as power-off time, set gradually state conduction time into first time power on/off, so K switch
sacquiescence disconnects, and electric current transfers to the first input end of the 3rd processing module 130 through contact S1 and S2; When gate circuit judges that current time is in the conduction time of setting in T2, then K switch
scontinue closed within conduction time, after namely the time relay 220 is converted to conduction time by power-off time, K switch
sbe converted to closure state from off-state, electric current transfer to through contact S2 mono-aspect the 3rd processing module 130 first input end, on the other hand pass through K switch
sand through contact S3 to transfer to the second input end of the 3rd processing module 130; When contact S1 does not receive the electric current of the first processing module 110, the time relay 220 quits work; Upon user initiation, reset circuit is, the power on/off time the set zero of the time relay 220, user is reconfigurable.
In time power source on-off control device, arranging the 3rd processing module 130 is auxiliary reclay 230, auxiliary reclay 230 also comprises K switch 3 and K4, the switch of auxiliary reclay 230 can be the on-off switch of three contact compositions, wherein, first K switch 1 comprises not moving contact Z1 and Z2, moving contact Z3, second switch K2 comprises not moving contact Z4 and Z5, moving contact Z6, K switch 3 comprises not moving contact Z7 and Z8, moving contact Z9, K switch 4 comprises not moving contact Z10 and Z11, moving contact Z12, 4 switches are all positioned on coil, the moving contact Z3 of the first K switch 1 is connected with the first output terminal of the second processing module 120, the first end of moving contact Z2 is not connected with the live wire (L) that power supply exports 150, moving contact Z1 and Z2 does not give tacit consent to closed, the moving contact Z6 of second switch K2 is connected with the second input end of the first processing module 110, the first end of moving contact Z5 is not connected with the second input end of the first processing module 110, moving contact Z4 and Z5 does not give tacit consent to closed, not moving contact Z7 and Z8 of K switch 3 gives tacit consent to closed, not moving contact Z10 and Z11 of K switch 4 gives tacit consent to closed.Auxiliary reclay 230 for according to the current signal received, generation current/voltage pulse signal when moving contact and the motionless closing of contact by this pulse signal transmission to counting relay 210, and export 150 transmission currents to power supply.
The course of work of auxiliary reclay 230 is, when the moving contact Z3 of the first K switch 1 receives the electric current of the first output terminal transmission of the second processing module 120, and when coil does not receive electric current, auxiliary reclay 230 does not work, when the moving contact Z3 of the first K switch 1 receives the electric current of the first output terminal transmission of the second processing module 120, and the first end of coil receive the second processing module 120 second output terminal transmission electric current time, coil two ends add voltage, the electric current that coil midstream is excessively certain, and create galvanomagnetic effect, now the sucking action of electromagnetic force makes moving contact Z3 and the not moving contact Z2 adhesive of the first K switch 1, the current signal transfer that the moving contact Z3 of the first K switch 1 receives by auxiliary reclay 230 exports the input end of 150 to power supply, the moving contact Z6 of second switch K2 and not moving contact Z5 adhesive, the current impulse produced in second switch K2 transfers to the counting circuit of the first processing module 110, after coil does not receive electric current, coil blackout, electromagnetic attraction disappears thereupon, and moving contact and not moving contact disconnect, two not moving contact adhesives, and such adhesive, disconnection, make circuit turn-on or the cut-out of auxiliary reclay 230.
In sum, the overall work process of time power source on-off control device is:
It is N time that S11, user set power on/off number of times in advance on counting relay 210, wherein N>0, and reset makes the counting value returns of counting circuit, a power-off time of user's setting-up time relay 220 is T1, the once electrification time is T2, and reset makes the initial time of time counter make zero, first time of user's setting-up time counter is power-off time T1, and namely time power source on-off control device performs pre-determined number power on/off and schedule time power on/off;
After S12, optimum configurations complete, power supply inputs 140 to counting relay 210 input current, the contact J1 received current of counting relay 210, and the count value due to current time counting circuit is 0, power on/off number of times is less than default power on/off number of times, therefore the K switch of counting relay 210
jbe kept closed, electric current directly transfers to the input end of the time relay 220 by the contact J3 of counting relay 210;
The contact S1 received current of S13, the time relay 220, because current time is power-off time, therefore the time relay 220 starts timing power-off time T1, and K switch
sremain open state, electric current is directly transferred to the first input end of auxiliary reclay 230 by the contact S2 of the time relay 220;
The electric current of the first output terminal transmission of the moving contact Z3 time of reception relay 220 of the first K switch 1 of S14, auxiliary reclay 230, because the coil of auxiliary reclay 230 is in off-position, so not moving contact Z1 and Z2 of the first K switch 1 closes, not moving contact Z4 and Z5 of second switch K2 closes, and the electric current of auxiliary reclay 230 does not cause power supply and exports 150 and counting relay 210;
The input end of S15, power supply output 150 does not receive and obtains electric current, therefore the current/voltage controller that the output terminal exporting 150 with power supply is connected is in off-position, it can thus be appreciated that time power source on-off control device achieves single timing break function in trip time in T1;
S16, when the time relay 220 timing trip time T1 arrive after, the K switch of the time relay 220
sclosed, the number of times of break-make due to counting relay 210 is less than the power on/off number of times of setting, therefore K
jbe kept closed, then conduction time, T2 started timing, the contact S2 of the time relay 220 again by current delivery to the second input end of auxiliary reclay 230;
The coil of S17, auxiliary reclay 230 obtains electric, Z3 and Z2 of the first K switch 1 closes, electric current transfers to by the Z2 of the first K switch 1 input end that power supply exports 150, Z6 and Z5 of second switch K2 closes, and second switch K2 produces pulse signal and transfers to the counting circuit of counting relay 210;
S18, power supply export the input end received current of 150, then power supply exports 150 and exports electric current to current/voltage control end, current/voltage control end is energized, the counting circuit return pulse signal of counting relay 210 also makes count value increase by 1, it can thus be appreciated that time power source on-off control device achieves single timing turn-on power loss in conduction time in T2;
S19, when the time relay 220 timing conduction time T2 arrive after, K switch
sdisconnect, time power source on-off control device is that single timing disconnects, timing repeatedly along with time power source on-off control device disconnects and energising, the count value of the pulse enable signal counting relay 210 that auxiliary reclay 230 produces increases gradually, after count value reaches the power on/off times N of setting, the K switch of counting relay 210
jdisconnect, the power supply between counting relay 210 and the time relay 220 is cut off, and time power source on-off control device completes N timing on-off function.
With reference to figure 3, it is the schematic appearance of the counting relay 210 that the utility model embodiment provides.The outward appearance of counting relay 210 has number of times setting unit and display screen, wherein, number of times setting unit can by-,+button arranges power on/off number of times, this setting unit front 4 for arrange numeral 0 ~ 9,5th multiple is take advantage of 1,10,100 respectively, initial value is 0, the number of times of power on/off that display screen display is current, and R is that number of times resets.
With reference to figure 4, it is the schematic appearance of the time relay 220 that the utility model embodiment provides.The free setting unit of outward appearance of the time relay 220 and display, wherein, set of time part can pass through-, + button arranges the power on/off time, first 2 of setting unit is arrange numeral 0 ~ 9 working time, 3rd unit be respectively: 0.1S, S, 0.1M, M, 0.1H, H, 4th, 5 is arrange stand-by time numeral 0 ~ 9, 6th unit be respectively: 0.1S, S, 0.1M, M, 0.1H, H, then 3, the left side button of this setting unit is for arranging conduction time, right three buttons are for arranging trip time, display display is when previous disconnection/energising timing time, wherein, what left side showed is conduction time, what right side showed is trip time, initial value is 0min.
A kind of time power source on-off control device that the utility model provides, by adopting simple mode of connection by the first processing module 110, second processing module 120 and the 3rd processing module 130 are assembled, define the on/off can determining number of times timing to control, the frequent power on/off to arbitrary equipment can not only be controlled, arbitrary equipment can also be controlled in power-off sometime or unlatching, achieve the power on/off robotization of hardware driving to power on/off unit equipment, it is simple that this hardware driving mode has the mode of connection, be easy to realize, plant running reliability is high, easy to operate advantage, solve traditional-handwork and operate length consuming time, low and the highly difficult defect that additionally develops software of efficiency.
The said goods can perform the method that the utility model any embodiment provides, and possesses the corresponding functional module of manner of execution and beneficial effect.
Note, above are only preferred embodiment of the present utility model and institute's application technology principle.Skilled person in the art will appreciate that the utility model is not limited to specific embodiment described here, various obvious change can be carried out for a person skilled in the art, readjust and substitute and protection domain of the present utility model can not be departed from.Therefore, although be described in further detail the utility model by above embodiment, but the utility model is not limited only to above embodiment, when not departing from the utility model design, can also comprise other Equivalent embodiments more, and scope of the present utility model is determined by appended right.
Claims (5)
1. a time power source on-off control device, is characterized in that, comprising: the first processing module, the second processing module and the 3rd processing module;
The first input end of described first processing module is connected with power supply input, the second input end is connected with the first output terminal of described 3rd processing module, output terminal is connected with the input end of described second processing module, first output terminal of described second processing module is connected with the first input end of described 3rd processing module, the second output terminal is connected with the second input end of described 3rd processing module, and the second output terminal of described 3rd processing module exports with power supply and is connected;
Described first processing module at least comprises: the first contact J1, the second contact J2, the 3rd contact J3, the 4th contact J4, K switch
jand counting circuit; The first end of described first contact J1 is connected with the live wire that described power supply inputs, the second end is directly connected with the first end of described second contact J2, second end of described second contact J2 and described K switch
jfirst end connect, described K switch
jthe second end be connected with the first end of described 3rd contact J3, second end of described 3rd contact J3 is connected with the input end of described second processing module; The first end of described counting circuit is connected with the first output terminal of described 3rd processing module, the second end is connected with the first end of described 4th contact J4;
Described second processing module at least comprises: the first contact S1, the second contact S2, the 3rd contact S3 and K switch
s; The first end of described first contact S1 is connected with the output terminal of described first processing module, the second end is directly connected with the first end of described second contact S2, and second end of described second contact S2 is connected with the first input end of described 3rd processing module, the 3rd end of described second contact S2 and described K switch
sfirst end connect, described K switch
sthe second end be connected with the first end of described 3rd contact S3, second end of described 3rd contact S3 is connected with the second input end of described 3rd processing module;
Described 3rd processing module at least comprises: the first K switch 1, second switch K2 and coil; The first end of described first K switch 1 is connected with the live wire that the first output terminal is connected, the second end exports with described power supply of described second processing module, the first end of described coil is connected with the zero line that the second output terminal is connected, the second end inputs with described power supply of described second processing module, and the first end of described second switch K2, the second end are connected to the second input end of described first processing module.
2. time power source on-off control device according to claim 1, is characterized in that, described K switch
jacquiescence is closed.
3. time power source on-off control device according to claim 1, is characterized in that, described K switch
sacquiescence disconnects.
4. time power source on-off control device according to claim 1, is characterized in that, the input end that described power supply exports is connected with the second output terminal of described 3rd processing module, output terminal is connected with voltage/current controller.
5. the time power source on-off control device according to any one of claim 1-4, is characterized in that, described first processing module is counting relay, and described second processing module is the time relay, and described 3rd processing module is auxiliary reclay.
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| CN201420685281.4U CN204440048U (en) | 2014-11-14 | 2014-11-14 | A kind of time power source on-off control device |
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| CN201420685281.4U CN204440048U (en) | 2014-11-14 | 2014-11-14 | A kind of time power source on-off control device |
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| CN107748321A (en) * | 2017-10-27 | 2018-03-02 | 郑州云海信息技术有限公司 | A kind of device and method of controlling power circuit break-make |
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| CN105137355A (en) * | 2015-09-29 | 2015-12-09 | 格力电器（武汉）有限公司 | Detection device and detection method for PG motors |
| CN105137355B (en) * | 2015-09-29 | 2018-04-20 | 格力电器（武汉）有限公司 | PG motor detection apparatus and detection method |
| CN106597189A (en) * | 2016-11-16 | 2017-04-26 | 上海摩软通讯技术有限公司 | USB port short-circuit testing method and device |
| CN108873759A (en) * | 2017-05-10 | 2018-11-23 | 腾讯科技（深圳）有限公司 | A kind of circuit, circuit protection method and electronic equipment |
| CN108873759B (en) * | 2017-05-10 | 2021-05-28 | 腾讯科技（深圳）有限公司 | Circuit, circuit protection method and electronic equipment |
| CN107293447A (en) * | 2017-07-13 | 2017-10-24 | 芜湖泰领信息科技有限公司 | The time relay |
| CN107748321A (en) * | 2017-10-27 | 2018-03-02 | 郑州云海信息技术有限公司 | A kind of device and method of controlling power circuit break-make |
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