CN207490489U - A kind of power fluctuation broken circuit control device based on earth leakage protective device - Google Patents
A kind of power fluctuation broken circuit control device based on earth leakage protective device Download PDFInfo
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- CN207490489U CN207490489U CN201720999507.1U CN201720999507U CN207490489U CN 207490489 U CN207490489 U CN 207490489U CN 201720999507 U CN201720999507 U CN 201720999507U CN 207490489 U CN207490489 U CN 207490489U
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- earth leakage
- leakage protective
- protective device
- power fluctuation
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- 229910052710 silicon Inorganic materials 0.000 claims abstract description 40
- 239000010703 silicon Substances 0.000 claims abstract description 40
- 230000006698 induction Effects 0.000 claims abstract description 14
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- 239000003990 capacitor Substances 0.000 claims description 6
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- 230000015556 catabolic process Effects 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
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- 238000005516 engineering process Methods 0.000 description 1
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- 238000012423 maintenance Methods 0.000 description 1
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- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The utility model discloses a kind of power fluctuation broken circuit control devices based on earth leakage protective device; external earth leakage protective device; by resistance R1, resistance R2, resistance R3, resistance R4; both ends variable resistance RT; capacitance C2; diac B, luminous tube LED1, luminous tube LED2, silicon-controlled CR1 and electric current induction coil BX compositions.The utility model is simple in structure, at low cost, small power consumption, compatible in all earth leakage protective devices, substitutes artificial intelligence so that for electrical appliance after relevant work is completed, delay is fully disconnected power supply automatically for a period of time, not only energy saving but also can protect electric appliance；Especially there is protection to the battery being electrically charged and extend the service life, improve the safety that electric appliance uses, reduce fire incident probability of happening.
Description
Technical field
The utility model is related to control device field more particularly to a kind of power fluctuation open circuits based on earth leakage protective device
Control device.
Background technology
With economic continuous development, electronic apparatus type is increasing, phone charger, electric car charger etc.
Charging equipment is cut off the power device entirely automatically without charging complete, still in the free process recharged, people after charging complete
Often forgotten to pull out plug, and caused battery overcharge so that battery accelerated ageing or damage, while waste electric energy；It is right
The long-term waste electric energy of waiting of kitchen appliance (electric appliances such as such as electromagnetic oven, electric rice pressure cooker, micro-wave oven) in family, and be unfavorable for
The safety of electric appliance in itself, into the electric rice pressure cooker of heat preservation, when often result in the rotten of the bottom of a pan food materials；Also electric welding machine, television set,
The long-term meaningless waste electric energy of waiting of electric heater and other electronically controlled industrial electrical equipments；The long-term of these electric appliances is waited,
It is also possible to cause fire incident.Current people quote time out-out to fill up these applied defects, due to timing
Be affectedly bashful it is inaccurate, usually not person of modern times anticipate；At present, unique a kind of electric vehicle charging circuit breaker of new listing, it is electronic just for part
Vehicle charging is powered off all the way using the dump of charger after realization charging complete, and the power supply of itself is not still disconnected,
Such tripping system must change the safety of electric appliance and energy saving aspect there is no very big；Leakage circuit breakers on the market is general only
There are creepage protection function and overcurrent protection function, do not have power fluctuation cut-out function.
Invention content
The purpose of this utility model is to provide a kind of power fluctuation broken circuit control devices based on earth leakage protective device, replace
For artificial intelligence so that for electrical appliance after relevant work is completed, delay a period of time is fully disconnected power supply automatically, can effectively solve
Existing timing tripper timing not precisely, electric vehicle charging finishes and cannot generate Self-disconnecting and earth leakage protective device and do not have
The shortcomings of power fluctuation cut-out function, the safety of original earth leakage protective device is not only remained, also reach energy saving new demand, pacified
Full property higher.
Following technical scheme may be used to realize in the technical issues of the utility model solves：
A kind of power fluctuation broken circuit control device based on earth leakage protective device, external earth leakage protective device, feature exist
In：By resistance R1, resistance R2, resistance R3, resistance R4, both ends variable resistance RT, capacitance C2, diac B, luminous tube
LED1, luminous tube LED2, silicon-controlled CR1 and electric current induction coil BX compositions；
The mains half-wave rectification tube cathode W points of the external earth leakage protective device in one end of the resistance R4, the other end connect successively
Sending and receiving light pipe LED1, resistance R3 and capacitance C2, then be connected with equipotential line G1；It is equipped between the luminous tube LED1 and resistance R3
Potential point X's, the potential point X is controlled all the way by the silicon-controlled CR in an external earth leakage protective device of diac B
Pole K；Another way is sequentially connected luminous tube LED2 and silicon-controlled CR1 then connects equipotential line G1；The control of the silicon-controlled CR1
Connection equipotential line G1 after pole is connected with resistance R2；The control pole of the silicon-controlled CR1 is also connected with both ends variable resistance RT, and
Resistance R1 is connected afterwards, then is connected with electric current induction coil BX；The electric current induction coil BX is connected with equipotential line G1, the electricity
The equipotential line G that silicon-controlled CR cathodes in the external earth leakage protective devices of bit line G1 are connected.
Preferably, capacitance C1 is further included, branch is equipped between the resistance R1 and both ends variable resistance RT and connects capacitance
C1 is then connected to equipotential line G1；The capacitance C1 is the anti-interference capacitor for filtering out high frequency.
Preferably, the luminous tube LED1 is power supply indicator；The luminous tube LED2 refers to for the work of power fluctuation node
Show lamp.
Preferably, the resistance R2 is partial pressure sampling and impedance matching resistor.
Preferably, the both ends variable resistance RT adjusts electric current for device and starts to control node selection resistance.
Preferably, the capacitance C2 is to coordinate the storage capacitor for generating delay function with resistance R3.
Preferably, the silicon-controlled CR1 is triggering and conducting self- recoverage electronic switch.
Preferably, the diac B is switched for voltage gated beam.
Preferably, the resistance R1, resistance R3, resistance R4 are current-limiting resistance.
The utility model is simple in structure, at low cost, micro power consumption, is easily compatible in all earth leakage protective devices, can be effective
It is implanted in the electric appliances such as battery charger, phone charger, kitchen socket, electric welding machine, unique power fluctuation can also be made
Breaking socket and power fluctuation killer switch, supply is with the electric appliance that power fluctuation is waited and can be powered off at any time as electricity
Source switch uses, and substitutes artificial intelligence so that for electrical appliance after relevant work is completed, delay a period of time is fully disconnected electricity automatically
Source, it is not only energy saving but also electric appliance can be protected；Especially there is protection to the battery being electrically charged and extend the service life, improving electric appliance makes
Safety reduces fire incident probability of happening.
Description of the drawings
Fig. 1 is the circuit connection diagram of the utility model.
Specific embodiment
The utility model is described in further detail with reference to embodiment, but the embodiment of the utility model is not
It is limited to this.
As Fig. 1 be the utility model preferred embodiment, external earth leakage protective device, by resistance R1, resistance R2, resistance R3,
Resistance R4, both ends variable resistance RT, capacitance C1, capacitance C2, diac B, luminous tube LED1, luminous tube LED2, controllably
Silicon CR1, electric current induction coil BX are formed.
From one end of the mains half-wave rectification tube cathode W points connection resistance R4 of earth leakage protective device, the other end of resistance R4
The anode of power supply indicator LED1 is connected, the negative terminal of power supply indicator LED1 connects the one of potential point X, potential point X and resistance R3
End is connected, and the anode of the other end connection capacitance C2 of resistance R3, the negative terminal of capacitance C2 connects equipotential line G1, and potential point X passes through
One diac B is connected with the SCR control pole K in earth leakage protective device, and potential point X also works with power fluctuation
The anode of indicator light LED2 is connected, and the negative terminal of power fluctuation work light LED2 connects silicon-controlled anode, silicon-controlled
Cathode connects equipotential line G1, and silicon-controlled control pole is connected with one end of resistance R2, the other end connection equipotential line of resistance R2
G1, silicon-controlled control pole are also connected in one end of both ends variable resistance RT, the other end connection of both ends variable resistance
One end of resistance R1, one end of the other end connection electric current induction coil of resistance R1, the other end and current potential of electric current induction coil
Line G1 is connected, and branch is equipped between resistance R1 and both ends variable resistance RT and connects capacitance C1, is then connected to equipotential line
G1；Equipotential line G1 is connected with the equipotential line G that the silicon-controlled cathode in earth leakage protective device circuit board is connect.
The resistance R1, resistance R3, resistance R4 are current-limiting resistance, and the resistance R2 is partial pressure sampling and impedance matching
Resistance, the both ends variable resistance RT adjust electric current for device and start to control node selection resistance, and the capacitance C1 is filters out high frequency
Anti-interference capacitor, the capacitance C2 be with resistance R3 coordinate generate delay function storage capacitor, the silicon-controlled CR is tactile
Hair conducting self- recoverage electronic switch, the diac B are switched for voltage gated beam, and the luminous tube LED1 refers to for power supply
Show lamp, the luminous tube LED2 is power fluctuation node work light, the mains half-wave rectifying tube and earth leakage protective device
On circuit power half-wave rectifier tube be shared, described thread off drives silicon-controlled CR, tripping coil and mechanical component and shell etc.
It is shared.
In the present embodiment, it is formed using the mechanical device and tripping coil of existing earth leakage circuit breaker and silicon-controlled CR
Electric drive dropout mechanical component unit；It when diac B is not triggered, is acted on by by earth leakage protective control circuit, electricity
Son driving dropout mechanical component unit holding is waited for peacefully；When diac B obtains trigger voltage (33V) conducting or earth leakage protective control
When circuit processed generates driving because electric leakage is detected, silicon-controlled CR is connected rapidly, and generated electric current is produced by tripping coil
Raw driving machine capability, Crush trigger, which is threaded off, completes tripping action.
In the present embodiment, the rectifying tube of power fluctuation open circuit control circuit shares earth leakage protective control circuit rectifying tube,
Voltage pulsating direct-current supply is obtained in W points connection resistance R4, by luminous tube LED1 as power supply indicator, produces power supply instruction
Function；And the electric current for obtaining luminous tube LED1 negative terminals makees the sole source of the present apparatus, is charged by resistance R3 to capacitance C2；
When capacitance C2 both ends, charged pressure is more than diac B gate voltages (33V), diac B is led by lossless breakdown
It is logical, silicon-controlled CR is driven to be connected rapidly, and maintain 1 second or more, generated electric current generates driving machinery by tripping coil
Ability, Crush trigger, which is threaded off, completes tripping action.
In the present embodiment, by electric current induction coil BX, resistance R1, capacitance C1, both ends variable resistance RT, resistance R2,
Silicon-controlled CR1 and power fluctuation work light LED2 composition current node sample trigger electronic switch units；Using existing type
1:300 magnet ring structure electric current induction coils are held small-sized controllable as present apparatus electric current induction coil BX using high quick triggering low-dimensional
Silicon designs the electronic switch for being triggered and just resetting electric energy stored by capacitance C2, to electricity after silicon-controlled CR1 is triggered each time
Hold C2 to be discharged completely so that capacitance C2 both end voltages enter charging and start area；Therefore as long as capacitance C2 both end voltages are from filling
It establishes beginning area by cable and is electrically charged increased voltage, in the period less than diac B gate voltages, silicon-controlled CR1 is triggered again
Once or more, capacitance C2 discharges again starts area into charging, when cycle continues in this way, only sees power fluctuation work
Make indicator light LED2 constantly glitter it is shinny；The gate voltage 33V of diac B can not be exceeded, and the present apparatus keeps power supply；
When electric current induction coil BX induced electricity stream by resistance R1 current limlitings, capacitance C1 filtering and potentiometer RW node adjust after, no
Although when triggering silicon-controlled CR1 conductings enough or having the silicon-controlled CR1 conductings of enough current triggers, current trigger is all
Phase is more than the period that capacitance C2 both end voltages area since charging is charged to trigger voltage (33V), and potential point X is to electricity at this time
Bit line G (G1) voltage rises the gate voltage (33V) more than diac B, and diac B is by lossless breakdown, by electricity
Energy stored by R3 release capacitances C2 is hindered, silicon-controlled CR is connected rapidly, and maintains 1 second or more, and generated electric current is by de-
Fastening wire circle generate driving machine capability, Crush trigger thread off complete tripping action, connect (grafting) electric appliance and the present apparatus because
This power-off.
In the present embodiment, luminous tube LED2 and resistance R3 compositions current node work indicating unit, when silicon-controlled CR1 quilts
During triggering and conducting, electric energy and the source current for carrying out self-resistance R4 on capacitance C2 pass through luminous tube LED2 and silicon-controlled CR1 to electricity
Bit line G (G1) forms electric current, lights luminous tube LED2 and reaches current node work indicative purpose, after capacitance C2 discharge offs, leads to
The source current for crossing resistance R4 is less than the maintenance conducting electric current of silicon-controlled CR1, so silicon-controlled CR1 exits conducting quickly, enters
Cut-off resets, and waiting triggers again, constantly recycles in this way, and luminous tube LED2 glitterings, which shine, represents current node work.Reach electricity
Flow the purpose of node work instruction.
The utility model holds small-sized silicon-controlled micro-control conducting and Self-resetting characteristic, electric current by using high quick triggering low-dimensional
The low current signal that sensor coil changes with changed power is mutually tied by current limliting and the adjustment effect of both ends variable resistance
It closes, forms the adjustable electronic switch of electric current drop node, in conjunction with the charging time-delay characteristics that resistance, capacitance are formed, trigger pipe
Voltage gating characteristics form and select trigger circuit with double dimensions that peak current level is combined with peak current pulse cycle phase；
The sampling for effectively adapting to electric current and the double variation characteristics of frequency in the electronics contravariant power currently largely used detects, and can also meet
The sampling detection of the electric current drop of power frequency electric appliance；The power fluctuation open circuit control circuit formed, is connected to existing conventional earth leakage
On the circuit of protective device, increase new power fluctuation cut-out function, i.e., it is cost-effective, and maintain original earth leakage protective dress
The integrality put；Resistance R4 ties up a current path for quiescent operation and prolongs in the power fluctuation open circuit control circuit of the present apparatus
When element circuit main current-limiting resistance, value 5.1M Ω, so the present apparatus is very energy saving；Between resistance R4 and potential point X
It is power supply indicator to access luminous tube LED1；It is power that luminous tube LED2 is accessed between potential point X and silicon-controlled CR1 anodes
Drop node work light；Resistance R3 is accessed between potential point X and capacitance C2 anodes and limits discharge peak currents, is protected
Luminous tube LED2 and diac B, potential point X by a diac B with it is silicon-controlled in leakage protection circuit
CR control poles are connected, and power fluctuation driving instruction signal code, triggering are generated with the voltage gating characteristics of diac B
Pipe selects DB3, conducting voltage 33V.Branch is equipped between resistance R1 and both ends variable resistance RT and connects capacitance C1, then
Equipotential line G1 is connected to, high-frequency signal is filtered out.
The above is only the utility model preferred embodiment, not the technical scope of the utility model is appointed
What is limited, therefore every any trickle amendment, equivalent variations made according to the technical essence of the utility model to above example
With modification, the scope of protection of the utility model is still fallen within.
Claims (9)
1. a kind of power fluctuation broken circuit control device based on earth leakage protective device, external earth leakage protective device, it is characterised in that：
By resistance R1, resistance R2, resistance R3, resistance R4, both ends variable resistance RT, capacitance C2, diac B, luminous tube LED1,
Luminous tube LED2, silicon-controlled CR1 and electric current induction coil BX compositions；
The mains half-wave rectification tube cathode W points of the external earth leakage protective device in one end of the resistance R4, the other end are sequentially connected hair
Light pipe LED1, resistance R3 and capacitance C2, then be connected with equipotential line G1；Potential point is equipped between the luminous tube LED1 and resistance R3
X's, the potential point X passes through the silicon-controlled CR control poles K in an external earth leakage protective device of diac B all the way；Separately
It is sequentially connected luminous tube LED2 all the way and silicon-controlled CR1 then connects equipotential line G1；The control pole and resistance of the silicon-controlled CR1
Connection equipotential line G1 after R2 is connected；The control pole of the silicon-controlled CR1 is also connected with both ends variable resistance RT, then connection electricity
R1 is hindered, then is connected with electric current induction coil BX；The electric current induction coil BX is connected with equipotential line G1, outside the equipotential line G1
Meet the equipotential line G that the silicon-controlled CR cathodes in earth leakage protective device are connected.
2. a kind of power fluctuation broken circuit control device based on earth leakage protective device according to claim 1, feature exist
In：Capacitance C1 is further included, branch is equipped between the resistance R1 and both ends variable resistance RT and connects capacitance C1, is then connected to
Equipotential line G1；The capacitance C1 is the anti-interference capacitor for filtering out high frequency.
3. a kind of power fluctuation broken circuit control device based on earth leakage protective device according to claim 1, feature exist
In：The luminous tube LED1 is power supply indicator；The luminous tube LED2 is power fluctuation node work light.
4. a kind of power fluctuation broken circuit control device based on earth leakage protective device according to claim 1, feature exist
In：The resistance R2 is partial pressure sampling and impedance matching resistor.
5. a kind of power fluctuation broken circuit control device based on earth leakage protective device according to claim 1, feature exist
In：The both ends variable resistance RT adjusts electric current for device and starts to control node selection resistance.
6. a kind of power fluctuation broken circuit control device based on earth leakage protective device according to claim 1, feature exist
In：The capacitance C2 is to coordinate the storage capacitor for generating delay function with resistance R3.
7. a kind of power fluctuation broken circuit control device based on earth leakage protective device according to claim 1, feature exist
In：The silicon-controlled CR1 is triggering and conducting self- recoverage electronic switch.
8. a kind of power fluctuation broken circuit control device based on earth leakage protective device according to claim 1, feature exist
In：The diac B is switched for voltage gated beam.
9. a kind of power fluctuation broken circuit control device based on earth leakage protective device according to claim 1, feature exist
In：The resistance R1, resistance R3, resistance R4 are current-limiting resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720999507.1U CN207490489U (en) | 2017-08-11 | 2017-08-11 | A kind of power fluctuation broken circuit control device based on earth leakage protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720999507.1U CN207490489U (en) | 2017-08-11 | 2017-08-11 | A kind of power fluctuation broken circuit control device based on earth leakage protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207490489U true CN207490489U (en) | 2018-06-12 |
Family
ID=62484815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720999507.1U Expired - Fee Related CN207490489U (en) | 2017-08-11 | 2017-08-11 | A kind of power fluctuation broken circuit control device based on earth leakage protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207490489U (en) |
-
2017
- 2017-08-11 CN CN201720999507.1U patent/CN207490489U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180612 |