CN101192751A - Intelligent home electrical appliance and automatic power reclosing protection breaker - Google Patents
Intelligent home electrical appliance and automatic power reclosing protection breaker Download PDFInfo
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- CN101192751A CN101192751A CNA2007101467514A CN200710146751A CN101192751A CN 101192751 A CN101192751 A CN 101192751A CN A2007101467514 A CNA2007101467514 A CN A2007101467514A CN 200710146751 A CN200710146751 A CN 200710146751A CN 101192751 A CN101192751 A CN 101192751A
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Abstract
The invention relates to an intelligent protection circuit breaker with automatic switch-on for household electric appliances and power supply, which comprises an air circuit breaker, a power circuit, a voltage sampling circuit, a temperature sampling and transferring circuit, a leakage sampling and transferring circuit, an electric potential comparison circuit, a given voltage circuit, a failure indicating and alarming circuit, a prompt start circuit, an automatic (delay) start circuit, an operation indicating circuit, a driving circuit, an executing agency, an output wiring terminal, an electric machine, a crate and a detecting circuit. The invention can protect household electric appliances, power supply and transmission line omni directionally and also can monitor a plurality of physical quantities like power voltage, loading circuit, leakage current, lightning induction and exotherm at the same time to ensure the physical quantities running under monitoring. The protection functions of the invention can amount to 12 types. The invention ensures no leakage voltage which is dangerous for personal security in an electric apparatus coat, and the exotherm of a power cord accords with national standard. The invention is safe and reliable and is inexpensive in cost. The invention can close the switch again automatically when failures are removed.
Description
1. affiliated technical field;
The invention belongs to the protector technical field, title is intelligent home electrical appliance, automatic power reclosing protection breaker (following style of writing abbreviation protective circuit breaker).Along with the propelling of China's Four Modernizations, various daily, household electrical appliance enter fields such as huge numbers of families, public place of entertainment, hotel, restaurant, health care, decoration industry, universities and colleges in a large number, and power consumption is more and more big, and the single-phase 220v power supply of polyphyly.
" " improves outside the quality of life except giving people's life increasing colour, also brought puzzlement to people, even disaster and pain, thereby " " called for fun " anodontia tiger " by people.Because of power supply quality not high, ageing of insulation or damage, some weakness and the defective of various consuming devices self, improper use etc., the capital causes consuming device and transmission line to produce various faults, and consuming device is damaged, and is heavy then the people is got an electric shock, power supply short circuit causes fire, and people's lives and properties are sustained losses severely.The wildfire of Fa Shenging in recent years; much be because to the electrical equipment improper use; the overburden operation; reasons such as ageing of insulation cause short circuit and can not cause at the instantaneous trip power supply; or the protection equipment protection insufficiency of function of installing or the protection equipment malfunction of installation, do not play effective protective effect.
2. background technology;
Since nearly half a century; people are seeking to protect personal safety always; Electrical Safety; family expenses; the method of household appliance safe operation; made protective device miscellaneous; but the starting point of every kind of protective device only is to voltage; the variation of some physical quantitys of electric current or temperature designs; and most of protective devices all are the variations that is conceived to supply current; the special residual current circuit breaker of paying attention to the variation of residual current and designing; be referred to as residual current circuit breaker on the market; the defencive function of this residual current circuit breaker is single; in running, can not protect household electrical appliance in all directions; household appliance; and the 220v single phase poaer supply is in operation the various faults that occur (as overvoltage; under voltage; overheated etc., the existing conventional residual current circuit breaker is just powerless.It is overheated to let alone power transmission line).When fault was eliminated and recover original specified service conditions, residual current circuit breaker can not be powered by automatic reclosing, needs manual closing operation, and this will make troubles to the user, even property loss.
3. summary of the invention:
Purpose of the present invention; be to avoid the deficiencies in the prior art; and provide a kind of inexpensive, thing is beautiful, can be to any single-phase consuming device (comprising household electrical appliance, household appliance); power transmission line and single phase poaer supply etc. carry out omnibearing protection; and can eliminate or eliminating back protective circuit breaker energy automatic reclosing in fault, power.The present invention is made up of two parts; comprise: one for small-sized plastic-shell air circuit, another part of arc-control device are arranged is multi-function protector; it can be simultaneously directly to power supply voltage, load current, leakage current, lightning induction; several physical quantitys such as temperature rise of consuming device and supply lines are carried out synchronous monitoring; thereby make various consuming devices, household electrical appliance, power transmission line and power supply etc. is under the tight monitoring and operates.After fault was eliminated or got rid of, 3～5 minutes automatic reclosings were powered through delaying time.The present invention researches and develops to form on the basis of the utility model patent that I have authorized " multifunctional household electrical appliance, power supply protector ", thereby makes original technology more perfect, in the world beyond example, occurs so advanced theory and technology first.
4. embodiment:
The present invention can reach by following measure, and the present invention is made up of the two large divisions, and one for there being the small-sized plastic-shell air circuit of arc-control device, and another part is a multi-function protector, and its shell (being called cabinet) is formed by plastics.Internal machine core is a printed circuit board (PCB), and power circuit, voltage sampling circuit, reference voltage circuit, current potential comparison circuit, delay circuit, Fast starting circuit, actuator etc. are housed on it, it is characterized in that:
A. also have temperature sampling and change-over circuit, electric leakage sampling and change-over circuit, nature of trouble warning and light emitting diode display circuit, driving and holding circuit, test button, out-put supply and PE terminal; Power supply phase line, center line insert via the input terminal of 2P air circuit and insert R0, C0 reduction voltage circuit at its input terminal, behind rectifying and wave-filtering as the power supply of master control borad, again through the voltage stabilizing circuit voltage stabilizing through adjusting, give five operational amplifiers " F1, F2, F3, F4, F5 " of potential comparator respectively, as reference potential, the relatively end of potential comparator F3, F4 is sent on another road via the voltage sampling circuit sampling.
B. temperature sensor is from consuming device, and detected signal is held in for example shell of motor or supply lines input (or output), after temperature sampling and change-over circuit conversion, delivers to the relatively end of potential comparator F2.
C. electricity leakage sensor after leakage current sampling and change-over circuit conversion, is delivered to the relatively end of potential comparator F5 from the shell or the detected leakage current signal of power transmission line of consuming device, and the output of F5 is used for triggering holding circuit.
D. the temperature-sensing element of temperature sensor has been embedded in the aluminium cover, and aluminium overlaps available 502 resin glues and is attached on the shell of consuming device, or is banded in input (or output) end of transmission line.(developer will be as the different temperature sensor of a plurality of control temperature of fittings supply, and temperature sensor is can be a plurality of in parallel to be used).
E. the sensing element of electricity leakage sensor has been installed on the movement, after one end of its lead-out wire passes through dividing potential drop, rectification, be connected with the relatively end of comparator F5, the other end is connected with ground wire, in the place that does not have ground wire, available electric wire draws from the PE terminal and be used as ground wire.When the user uses; ground connection in three attaching plugs of consuming device sign " ⊥ " need only be drawn cross section and the onesize conductor wire of phase line; firmly be connected with shell consuming device, this protector just can be monitored leakage current, electrical leakage voltage.
F. because overvoltage that lightning induction caused and shoving; in the scope that this protective circuit breaker is protected; the upper limit that has surpassed the overvoltage protection value of this protector when its value; or the permissible value of leakage current; this protector all can send the instruction of tripping operation; cut off the communication center with power supply, guarantee the safety of household electrical appliance, each consuming device and transmission line.
5. description of drawings:
Fig. 1 be block diagram of the present invention,
Fig. 2 be shape assumption diagram of the present invention,
Fig. 3 is an electrical schematic diagram of the present invention.
The present invention is described in further detail accompanying drawing 1-3 in conjunction with the embodiments: with reference to Fig. 1, Fig. 2, the present invention is by air circuit 1, power circuit 2, voltage sampling circuit 3, temperature sampling and change-over circuit 4, leakage current sampling and change-over circuit 5, current potential comparison circuit 6, faulty indication warning circuit 7, drive and holding circuit 8, Fast starting circuit 9, automatically (time-delay) starting circuit 10, give fixed voltage circuit 11, running indication circuit of LED 12, drive circuit 13, actuator 14, output wiring terminal 15, consuming device (for example motor etc.) 16, temperature sensor 17, leakage current sensor 18, checkout button 19, Fast starting button 20, cabinet 21 compositions such as grade.Mains supply indication LED 1, low voltage failure indication LED 2, overvoltage faulty indication light-emitting diode LEF3, overload or overheating fault indication LED 4, electric leakage or short circuit or lightning induction faulty indication LED 6, running indication LED 5, test button 19, Fast starting button 20 are installed on the panel of cabinet 21.With reference to Fig. 3, power circuit 2 is by resistance-capacitance depressurization circuit R0, C0, rectifier bridge VD1～VD4, capacitor C 1 composition such as grade; Voltage sampling circuit 3 is made up of V1, R2, R3, C2 etc.; Temperature sampling and change-over circuit 4 are made up of Rt, RP4, R9 etc.; Leakage current sampling and change-over circuit 5 are made up of R11, R12, R13, R14, VD7 etc.; Current potential comparison circuit 6 is made up of five operational amplifiers [F1, F2, F3, F4, F5]; Faulty indication warning circuit 7 is made up of R5, LED 2, LED3, LED4, LED6 etc.; Driving and holding circuit 8 are made up of R5, VT, R10, F5 etc.; Fast starting circuit 9 is made up of R6, AK1, F1 etc.; Automatically (time-delay) starting circuit 10 is made up of RP5, R7, C4, F1 etc.; Form for fixed voltage circuit 11 by RP1, RP2, RP3, V1, V2, R2, R4, C3 etc.; Running indicating circuit 12 is made up of C5, R8, LED5 etc.; Drive circuit 13 is made up of BG, D6, C6 etc.; Actuator 14 is made up of relay J; Checkout button 19 is made up of AK2.
(1) static protection function:
A. working as supply voltage is rated value; consuming device; electric wires etc. do not have leak current fault; the DK that closes a switch, the power supply indicator LED1 (green) on the protector panel is bright, and "+" terminal potential of potential comparator F2, F3, F4 all is higher than the reference potential of "-" end; through comparator relatively after; F2, F3, F4 have high potential output, and LED2, LED3, LED4 do not work, and VD5 ends.Simultaneously, rectifier power source is through RP5, R7, charge to C4, and C4 positive pole and F1 "+" end joins, when the voltage at C4 two ends surpassed "-" terminal potential of F1, then the output of F1 had high potential output → trigger BG → BG conducting → relay J through R8, LED5 to get electric adhesive → normally open contact J1 closure; LED5 is bright simultaneously, if close air circuit ZK, then output has protected power supply output, and consuming device can put into operation.If (or electric power transmission network) has the leak current fault of any one electrical equipment (or any section lead) not get rid of in many consuming devices, and have when jeopardizing personal safety possible, behind the air circuit ZK that closes, leakage current sensor just can detect this leakage current at once, after the conversion of leakage current sampling and change-over circuit, VD7 rectification, send into "+" end of F5, make the current potential of "+" end be higher than the reference potential of "-" end, then F5 output high potential → through R10 trigger VT → VT conducting → LED6 bright → the A point is clamped at electronegative potential; F1 do not have high potential output → LED5 and do not work → and not conducting of BG → relay J dead electricity release → contact J1 cut-offs → cuts off power supply.The fault of consuming device can not worsen again, and its shell with the voltage of harm personal safety, has been guaranteed personal safety never, and interrupting process can be finished in 0.1～0.2 second.
B. it is higher to work as supply voltage; when its value surpasses 255V; DK closes a switch; power supply indicator LED1 on the protector panel is bright, delivers to the C point through the voltage sampling circuit sampling, at this moment; the current potential of F4 "-" end can be higher than the reference potential of its "+" end; F4 exports electronegative potential, and electric current is through R5; LED4 flows into F4, and LED4 is bright; A point current potential is clamped at electronegative potential; the VD5 conducting; the C4 discharge, thus make "+" terminal potential of F1 also be in electronegative potential, and its potential value is lower than the reference potential of "-" end; the F1 no-output; not conducting of BG; not adhesive of relay J, LED5 does not work, and normally open contact J1 is not closed.The air circuit ZK even close this moment, output do not have protected power supply output yet, and consuming device does not have electricity and can not turn round, and has reached the purpose of overvoltage protection.
C. it is on the low side to work as supply voltage, when its value is lower than 150V, DK closes a switch, power supply indicator LED1 is bright, deliver to the C point through the voltage sampling circuit sampling, at this moment, F3 "+" terminal potential can be lower than the reference potential of its "-" end, F3 exports electronegative potential, electric current through R5, LED3 flow into F3 → LED3 bright → A point current potential is clamped at electronegative potential → VD5 conducting → C4 and discharges, thereby "+" terminal potential that makes F1 also is in the reference potential that electronegative potential and its value are lower than "-" end, and not conducting of F1 no-output → BG → not adhesive of relay J → LED5 do not work → and normally open contact J1 is not closed.At this moment, even close air circuit ZK, output does not have protected power supply output yet, and consuming device does not have electricity and can not turn round, and has reached the purpose of under-voltage protection.
More than three be referred to as the preventive protection function, promptly when service conditions does not possess, this protective circuit breaker can automatic power, also refusal is carried out the instruction of power supply, the existing any protective device of these defencive functions does not possess, the present invention has started the beginning.
(2) dynamic protection function:
A. automatic reclosing
A. when the normal various consuming devices that move, because of certain reason, for example: when mains supply voltage rising (or reduction) and its value surpass 255V (or being lower than 150V), or cut off power supply temporarily, then voltage sampling circuit adopt the instantaneous voltage value, to deliver to the C point via R3, send into F4 more respectively, the relatively end of F3, the current potential of ordering as C has surpassed upper limit reference potential (or being lower than the lower limit reference potential), then F4 (or F3) has electronegative potential output → LED4 (or LED3), and bright → A point current potential is clamped at electronegative potential → VD5 conducting → C4 discharge, thereby "+" terminal potential that makes F1 also is in electronegative potential and its potential value is lower than "-" end reference potential, F1 does not have not conducting of high potential output → BG → relay J dead electricity release → normally open contact J1 disconnection → cut-out power supply, simultaneously, run indicator LED5 extinguishes.If it is normal that line voltage recovers; F4 then; F3 does not all have electronegative potential output; LED4 (or LED3) extinguishes; power supply is through RP5; R7 charges to C4; after 3～5 minutes; when the voltage at C4 two ends is higher than the accurate current potential of "-" end group of F1; F1 output high potential is not (if need the time-delay power supply; need only press Fast starting button AK1; then rectifier power source charges to C4 through R6; reference potential → F1 that the voltage instantaneous at C4 two ends just can be higher than "-" end export high potential) → LED5 is bright → BG conducting → relay J adhesive → normally open contact J1 closure → protective circuit breaker recovery normal power supply, and each consuming device comes into operation again.
B. when consuming device or transmission line; the household electrical appliance that particularly have single-phase motor; electric tool etc.; in operation, transship; rotor is swept thorax; fan damages; air inlet stops up; starting is frequent; supply power voltage too high (but not surpassing 255v); the temperature rise meeting of motor constantly raises; the temperature rise of power transmission line correspondingly also can constantly raise; in the time of near temperature rise reaches capacity permissible value; (this protective circuit breaker their variations in temperature of temperature sensor monitors); behind the temperature sampling and change-over circuit conversion of this protective circuit breaker; the current potential of "+" end of input F2 will liken to for "-" of reference potential end low → F2 output negative potential → LED2 is bright → A point is clamped at electronegative potential → VD5 conducting → C4 discharge → F1 not to be had not conducting of high potential output → BG → relay J dead electricity release → contact J1 disconnection → power supply stop and power; each consuming device all stop operates, and that is to say the motor of heating; power transmission lines etc. have all obtained protection.When motor or power transmission line slowly cool off; behind the temperature sampling and change-over circuit conversion of protective circuit breaker of the present invention; current potential can increase gradually; after this current potential is higher than "-" terminal potential; the output of F2 becomes high potential → LED2 and do not work → and VD5 ends; rectifier power source charges to C4 through RP5, R7; when C4 two terminal potentials are higher than "-" terminal potential of F1; F1 exports high potential → LED5 conducting → relay J adhesive → contact J1 closure; the power supply automatic recovery of power supply, motor and each consuming device come into operation again.
B. electric leakage, short circuit, overload, lightning induction protection
A. work as various consuming devices and transmission line because of ageing of insulation; former thereby initiation electric leakage such as damage; the leakage current sensor of this protective circuit breaker can in time be realized and sampling at once; the instantaneous leakage current of taking is changed through change-over circuit; deliver to "+" end of F5 after the VD7 rectification; in case leakage current reach be enough to jeopardize personal life security numerical value the time; "+" terminal potential of F5 will be higher than "-" terminal potential → F5 output high potential → VT triggering and conducting → LED6, and bright → A point is clamped at that electronegative potential → VD5 conducting → C4 discharge → F1 do not have high potential output → LED5 extinguishes → and not conducting of BG → relay J dead electricity release → contact J1 disconnection → power supply is cut; both protected personal safety, the fault of consuming device can further not enlarge again.
B. when consuming device, electric power transmission network are short-circuited fault in operation, then voltage will step-down, electric current can increase, the malfunction that causes foregoing brownout (simultaneously, also can cause the effect similar to leak current fault), comparator F3 have electronegative potential output → LED3 bright → the A point is clamped at electronegative potential → VD5 conducting → C4 discharge → F1 not to be had high potential output → LED5 and extinguishes → not conducting of BG → relay J dead electricity release → contact J1 disconnection → power supply is cut → consuming device withdraws from running.The fault point can further not enlarge, and has protected consuming device and electric power transmission network, power supply, simultaneously, has protected personal safety yet, and whole process can be finished in 0.1 second.In addition, small-sized plastic-shell air circuit self also has short-circuit protection function.
C. work as various consuming devices in running; because of causing total load, certain reason surpassed 20% when above of this protective circuit breaker rated value; small-sized plastic-shell air circuit meeting automatic disconnection (or being referred to as tripping operation) in this protective circuit breaker; cut off power supply; stop power supply, guaranteed the safety of electric power transmission network, power supply, electrical instrument etc.
D. in the time of in thunder and lightning is attacked the scope of protecting near this protective circuit breaker directly; electric power transmission network will produce induction overvoltage, impact and shove; invade the transmission line of this protective circuit breaker; at this moment; relevant functions such as the overvoltage protection of multi-function protector of the present invention, leakage current protection can be sent trip command; cut off the orchid of getting in touch with power supply, make the whole consuming devices in this protective circuit breaker institute protection range obtain protection.Simultaneously, indicator light LED6 is bright, and LED4 can be glittering.
More than every be the dynamic protection function in respect of the protection of (1) automatic reclosing, (2) overvoltage protection, (3) under-voltage protection; (4) overload protection, (5) overtemperature protection, (6) short-circuit protection; (7) lightning induction protection, (8) earth leakage protective, (9) combined floodgate delay protection.
C. how to seek leakage:
In the time will seeking leakage; DK need only be cut-off (small air circuit breaker ZK needn't disconnect); after again the attaching plug of each consuming device being extracted; DK again closes a switch; press Fast starting button AK1; at this moment, LED5 Ying Liang, (electric leakage accident indicator light LED6 is bright if it does not work; the electric leakage of power transmission line insulation damages then is described; switch DK should be cut-off, seek leakage piecemeal and got rid of) one by one the plug of consuming device is inserted in the corresponding socket successively again, in case it is bright accident indicator light LED6 to have occurred; run indicator LED5 extinguishes; show that then this electrical appliance has leak current fault and exists, have only eliminated all leak current faults after, this protective circuit breaker just allows power supply; not so; malfunction indicator lamp LED6 is always shinny, warns the leak current fault of this consuming device of user not eliminate, and can not use by force again.This protective feature has guaranteed that the shell of consuming device is never with electrical leakage voltage that jeopardizes personal safety and leakage current.This is that existing various residual current circuit breaker are not available, more can't compare with it, and be the important breakthrough of protector technology.
6. the present invention has following advantage compared to existing technology:
1, microelectronic integrated circuit, defencive function is complete, compact conformation, easily debugging, installation, cost Cheap, action accurately, and is safe and reliable.
2, collect the guard method of the existing person, consuming device, motor, power supply, power transmission network etc. in one Body can be to various consuming devices, power supply, power transmission network, and power supplies etc. are implemented omnibearing protection; In addition, Also be provided with mains supply indicator lamp, four accident alarmings hold concurrently nature of occurence indicator lamp, safe handling indicator lamp, These devices are convenient to the user and are grasped consuming device, function situation and the nature of trouble of power supply, power transmission network etc.
3, the present invention has preventive protection function-be the static protection function, when service condition does not possess, this Protective breaker can automatic power, the instruction of refusal execution power supply yet.
4, this protective breaker has overheat protective function, the earth leakage protecting method of original creation, and the former can guarantee to use The temperature rise of electrical device and power supply line can not surpass national standard, has eliminated disaster hidden-trouble; The latter can guarantee The shell of various consuming devices and power transmission network be never with the electrical leakage voltage that can jeopardize personal safety (or electric current), Thereby having eliminated the prerequisite that people may get an electric shock, is that prior art can't be equal to, and the method for its sampling more It is the important breakthrough of existing protector technical field.
5, this protective breaker can be found out rapidly the leakage point of electricity of consuming device and power transmission line, and is got rid of, and keeps away The accident of having exempted from further enlarges, and has improved power supply quality, has eliminated fire and electric shock hidden danger, is existing electric leakage Breaker is too far behind to catch up.
6, this protective breaker has automatic reclosing function, after Failure elimination restores to the original state, postpones 3～5 fens Clock can send electricity by automatic closing. If do not need to postpone, can press fast starting button AK1, then this protection is opened circuit Device closes a floodgate at once and send electricity, is the invention of modern low-voltage electrical apparatus, protector for household electrical appliances technology.
Claims (5)
1. an intelligent home electrical appliance, automatic power reclosing protection breaker, (following style of writing abbreviation protective circuit breaker).The present invention is made up of the two large divisions, one for there being the small-sized plastic-shell air circuit (1) of arc-control device, another part is multi-function protector (21), [its shell (cabinet) is formed by plastics, printed circuit board (PCB) is equipped with in inside, and the electronic circuit that the electronic component of various functions is formed is installed wherein, is referred to as movement], with rivet two parts riveted is integral, it is characterized in that: power circuit (2) is arranged, voltage sampling circuit (3), temperature sampling and change-over circuit (4), leakage current sampling and change-over circuit (5), current potential comparison circuit (6), faulty indication and warning circuit (7) drive and holding circuit (8), Fast starting circuit (9), automatically (time-delay) starting circuit (10) is given fixed voltage circuit (11), operation indicating circuit (12), drive circuit (13), actuator (14), out-put supply and PE terminal (15), consuming device (16) (for example motor etc.), temperature sensor (17), leakage current sensor (18), checkout button (19), Fast starting button (20); The connection of electronic circuit: civil power 220V phase line of power, center line through the input terminal of 2P air circuit insert and insert RO, CO reduction voltage circuit at its phase line input, behind rectifying and wave-filtering as the power supply of master control borad, again through the voltage stabilizing circuit voltage stabilizing through adjusting, give comparator (F1, F2, F3, F4, F5) in the current potential comparison circuit (6) respectively as reference potential, the relatively end of (F3, F4) in the current potential comparison circuit (6) is sent into via voltage sampling circuit (3) in another road after the sampling.The F2 that temperature sensor (17) is delivered to the current potential comparison circuit (6) after temperature sampling and change-over circuit (4) conversion as motor or the detected signal of supply lines from consuming device (16) relatively holds; The F5 that electricity leakage sensor (18) is delivered to the current potential comparison circuit (6) after the detected signal of consuming device (16) is changed via leakage current sampling and change-over circuit (5) relatively holds; The output of [F2, F3, F4, F5] in the current potential comparison circuit (6) 7. is connected to the A point with drive circuit (8) mutually through faulty indication and warning circuit respectively, relatively end through VD5 and F1 joins, the output of F1 is connected with the trigger electrode of BG through running indicating circuit, LED5, the collector electrode of BG is connected with relay J, the emitter of BG connect " "; The aluminium cover can be attached to consuming device for example motor shell or be bundled in the power supply electric wire output.
2. protective circuit breaker according to claim 1; its feature is that also the temperature-sensitive element in the temperature sensor (17) has been embedded in the aluminium cover; temperature sensing (17) is connected with corresponding two-line receptacle on the movement by the two wires latch; the relatively end of F2 in one end of its lead-out wire and the current potential comparison circuit (6) is connected, and the other end can be connected with ground wire or go out as the PE line.
3. protective circuit breaker according to claim 1; its feature is that also the sampling element of leakage current transducer (18) has been installed on the movement; one end of its lead-out wire by the dividing potential drop rectification after with comparison circuit (6) in the relatively end of F5 join; the other end with " " line is connected, or as PE line lead-out wire.
4. protective circuit breaker according to claim 1, its feature are that also movement is installed in the cabinet (21), and city power supply indicator light LED1 is installed on its panel.Fault alarm indicator light LED2, LED3, LED4, LED6, run indicator LED5 also is equipped with quick start button (20), check button (19), the operating knob of 2P small-sized plastic-shell air circuit (1) also exposes the plate face.
5. protective circuit breaker according to claim 1, its feature are that also the two ends of checkout button and temperature-sensitive element are in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101467514A CN101192751A (en) | 2007-08-15 | 2007-08-15 | Intelligent home electrical appliance and automatic power reclosing protection breaker |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101467514A CN101192751A (en) | 2007-08-15 | 2007-08-15 | Intelligent home electrical appliance and automatic power reclosing protection breaker |
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| CN101192751A true CN101192751A (en) | 2008-06-04 |
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| CNA2007101467514A Pending CN101192751A (en) | 2007-08-15 | 2007-08-15 | Intelligent home electrical appliance and automatic power reclosing protection breaker |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101794683A (en) * | 2009-09-29 | 2010-08-04 | 湖北盛佳电器设备有限公司 | Intelligent circuit breaker with automatic switching-in control unit |
| CN103762544A (en) * | 2014-01-24 | 2014-04-30 | 国家电网公司 | Automatic switching-on controller |
| CN103872653A (en) * | 2014-03-25 | 2014-06-18 | 成都国科海博信息技术股份有限公司 | Protective circuit for switching power supply |
| CN105024342A (en) * | 2014-04-27 | 2015-11-04 | 章五明 | Lightning protection single-phase leakage protector |
| CN105446151A (en) * | 2015-12-10 | 2016-03-30 | 陈银奇 | Intelligent household control system |
| CN109378715A (en) * | 2018-11-26 | 2019-02-22 | 深圳时空科技集团有限公司 | A kind of intelligent distribution box and its mode of connection |
| CN110190588A (en) * | 2019-06-03 | 2019-08-30 | 浙江零壹智能电器研究院有限公司 | Breaker intelligent monitoring and protective module |
| CN113871266A (en) * | 2021-10-29 | 2021-12-31 | 佛山奇正电气有限公司 | Automatic closing circuit breaker |
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- 2007-08-15 CN CNA2007101467514A patent/CN101192751A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101794683A (en) * | 2009-09-29 | 2010-08-04 | 湖北盛佳电器设备有限公司 | Intelligent circuit breaker with automatic switching-in control unit |
| CN101794683B (en) * | 2009-09-29 | 2013-06-19 | 湖北盛佳电器设备有限公司 | Intelligent circuit breaker with automatic switching-in control unit |
| CN103762544A (en) * | 2014-01-24 | 2014-04-30 | 国家电网公司 | Automatic switching-on controller |
| CN103872653A (en) * | 2014-03-25 | 2014-06-18 | 成都国科海博信息技术股份有限公司 | Protective circuit for switching power supply |
| CN105024342A (en) * | 2014-04-27 | 2015-11-04 | 章五明 | Lightning protection single-phase leakage protector |
| CN105446151A (en) * | 2015-12-10 | 2016-03-30 | 陈银奇 | Intelligent household control system |
| CN109378715A (en) * | 2018-11-26 | 2019-02-22 | 深圳时空科技集团有限公司 | A kind of intelligent distribution box and its mode of connection |
| CN109378715B (en) * | 2018-11-26 | 2023-12-01 | 深圳时空科技集团有限公司 | Intelligent distribution box and wiring method thereof |
| CN110190588A (en) * | 2019-06-03 | 2019-08-30 | 浙江零壹智能电器研究院有限公司 | Breaker intelligent monitoring and protective module |
| CN113871266A (en) * | 2021-10-29 | 2021-12-31 | 佛山奇正电气有限公司 | Automatic closing circuit breaker |
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