CN205644100U - Hand touch formula electric kettle electrical source controller that delays - Google Patents
Hand touch formula electric kettle electrical source controller that delays Download PDFInfo
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- CN205644100U CN205644100U CN201620256479.XU CN201620256479U CN205644100U CN 205644100 U CN205644100 U CN 205644100U CN 201620256479 U CN201620256479 U CN 201620256479U CN 205644100 U CN205644100 U CN 205644100U
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- electric kettle
- power supply
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- time base
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Abstract
The utility model discloses a hand touch formula electric kettle electrical source controller that delays, its characteristic includes: 220V alternating current power supply, 12V half -wave rectification filtering constant voltage power supply, touch start monostable circuit, insulating pot power socket controller circuit, the touch start model that the time -base circuit IC1 among the monostable timing circuit chooseed for use for NE555. To ordinary electric kettle exist can not the auto -power -off the defect, hand touch formula electric kettle electrical source controller that delays, utilize time -base circuit to take into monostable timing circuit, make electric kettle reach the back in the time of setting for, electric kettle's electrical safety has been ensured to power that can automatic cutout electric kettle.
Description
Technical field
This utility model belongs to electronic auto-control technology field, relates to a kind of hands touch electric kettle time delay power supply and controls
Device.
Background technology
Common electric kettle is widely used by home and office intranets, because electric kettle is several because of cheap, easy to operate
All do not automatically cut off the functions of power supply, after water is boiled, cut off the electricity supply the most in time, suddenly encounter busy outside
Going out or watch TV and forget to close insulating pot power supply, the most then burning out the heater strip in electric kettle, it is the most unnecessary to waste
Electric power；Heavy then the likely security incident such as initiation fire.
The drawbacks described above existed for common electric kettle, hands touch electric kettle time delay power supply described in the utility model
Controller, utilizes time base circuit to be barricaded as mono-stable timing circuit, makes electric kettle after the time set arrives, it is possible to automatically to cut
The power supply of power-off hot-water bottle, it is ensured that the Electrical Safety of electric kettle.
Hands touch electric kettle time delay power-supply controller of electric described in the utility model described further below is in implementation process
Involved necessity, guardian technique content.
Utility model content
Goal of the invention and beneficial effect: there is the defect that can not automatically power off, this utility model for common electric kettle
Described hands touch electric kettle time delay power-supply controller of electric, utilizes time base circuit to be barricaded as mono-stable timing circuit, makes electric kettle
After the time set arrives, it is possible to automatically cut off the power supply of electric kettle, it is ensured that the Electrical Safety of electric kettle.
Circuit operation principle: hands touch electric kettle time delay power-supply controller of electric described in the utility model, base when it uses
IC circuit 1 is as core parts, and is connected into mono-stable timing circuit, at ordinary times the non-inductive voltage of hands touched electrode C M, timing electricity
Hold C2 to have been discharged by the 7th foot of time base circuit IC1, the 3rd foot output low level of time base circuit IC1, at this moment direct current relay
The coil of device J does not works without electricity, then the normally opened contact J-1 of DC relay J is in release conditions, electric kettle supply socket
CZ power-off, insulating pot electrical heating wire does not works without electricity.
When time to be boiled water, after touching hand touched electrode C M with finger, the noise signal of human body is added by isolation capacitance C1
The 2nd foot to time base circuit IC1 triggers end, makes the 3rd foot of time base circuit IC1 be become high level from low level, and at this moment direct current continues
The coil of electrical equipment J is because obtaining electric starting working, then the normally opened contact J-1 of DC relay J is in attracting state, is at this moment touched by normally opened
The electric kettle supply socket CZ that some J-1 controls obtains electric beginning to warm up.Meanwhile, the internal cut-off of the 7th foot of time base circuit IC1,
DC source is charged to timing capacitor C2 by potentiometer RP and resistance R1, and at this moment monostable circuit starts timing.
When timing capacitor C2 powers on and presses rise to direct current power source voltage 2/3, the 7th foot of time base circuit IC1 is by fixed
Time electric capacity C2 electric discharge, make the 3rd foot of time base circuit IC1 be become low level from high level, monostable circuit timing process terminates, electricity
Hot-water bottle supply socket CZ power-off, electric kettle electrical heating wire stops heating because of power-off.
Technical characteristic: hands touch electric kettle time delay power-supply controller of electric, it includes 220V alternating current power supply, 12V halfwave rectifier
Filtering voltage regulation power supply, touch start monostable circuit, insulating pot power socket control circuit, it is characterised in that:
Touch and start mono-stable timing circuit: it is by hands touched electrode C M, isolation capacitance C1, time base circuit IC1, timing capacitor
C2, potentiometer RP and resistance R1 composition, the model that time base circuit IC1 selects is NE555, and the 2nd foot of time base circuit IC1 was connected
Isolation capacitance C1 takes over touched electrode C M, the 4th foot of time base circuit IC1 and the 8th foot connection circuit positive pole VCC, the of time base circuit IC1
The positive pole of 6 feet and the 7th foot and timing capacitor C2 connects one end of potentiometer RP, the other end of potentiometer RP and work thereof by resistance R1
Moved end connection circuit positive pole VCC, the negative pole of timing capacitor C2 and the 1st foot connection circuit ground GND of time base circuit IC1；
Insulating pot power socket control circuit: it is by DC relay J, protection diode D1, electric kettle supply socket
CZ forms, and the 3rd foot of time base circuit IC1 connects one end and the negative pole of protection diode D1, the direct current relay of DC relay J coil
The other end of device J coil is connected with circuit ground GND with the positive pole of protection diode D1, and the normally opened contact J-1 of DC relay J is quiet
The normally opened contact J-1 movable contact of live wire end L, DC relay J that contact connects 220V alternating current power supply connects electric kettle supply socket
The fire line terminal of CZ, the zero terminal connection circuit ground GND of electric kettle supply socket CZ, the protection of electric kettle supply socket CZ
Ground wire terminal meets protection ground wire PE；
12V halfwave rectifier filtering voltage regulation power supply: it is by decompression capacitor C4, bleeder resistance R2 and silicon rectifier diode D2, silicon
Zener diode DW, electrochemical capacitor C3 form, the live wire that voltage stabilizing parameter is 12V, 220V alternating current power supply of silicon voltage regulator diode DW
End L connects one end and one end of bleeder resistance R2 of decompression capacitor C4, another of the other end of decompression capacitor C4 and bleeder resistance R2
The positive pole of termination silicon rectifier diode D2, the negative pole of silicon rectifier diode D2 connects negative pole and the electrochemical capacitor of silicon voltage regulator diode DW
The positive pole of C3, the positive pole of silicon voltage regulator diode DW and the negative pole connection circuit ground GND of electrochemical capacitor C3；
The positive pole of 12V halfwave rectifier filtering voltage regulation power supply is connected with circuit anode VCC, 12V halfwave rectifier filtering voltage regulation electricity
The negative pole in source is connected with the zero line side N and circuit ground GND of 220V alternating current power supply.
Accompanying drawing explanation
Accompanying drawing 1 is one embodiment circuit work of hands touch electric kettle time delay power-supply controller of electric that this utility model provides
Schematic diagram.
Detailed description of the invention
Illustrate according to the hands touch electric kettle time delay power controller circuit fundamental diagram shown in accompanying drawing 1 and accompanying drawing,
And according to annexation between components and parts in each several part circuit described in utility model content, and the unit described in embodiment
Device technology parameter request and circuit production main points carry out enforcement can realize this utility model, below in conjunction with embodiment to this reality
It is further described by novel correlation technique.
The technical parameter of components and parts and selection requirement thereof
IC1 is time base circuit, and model is: NE555 or selection KA555 type time base circuit；Time base circuit IC1 is 8 foot biserials
Direct insertion DIP encapsulates, and each foot function is: the 1st foot is circuit ground GND；2nd foot is for triggering end；3rd foot outfan；4th pin preset
End；5th foot is for controlling voltage；6th foot thresholding (threshold value)；7th foot is discharge end；8th foot connection circuit positive pole VCC；
D1 is protection diode, and the model of selection is 1N4148；
D2 is silicon rectifier diode, and the model of selection is 1N4007；
WD is Zener diode, and its voltage stabilizing technique parameter is 12V, power 1W；
The resistance of potentiometer RP is 510K Ω；
Resistance R1 selects 1/4W fixed carbon resister, and its resistance is 10K Ω；The resistance 620K Ω of bleeder resistance R2, power are 1W
Metalfilmresistor；
C1 is isolation capacitance, and its capacity is 6800PF；C2 is timing capacitor, the vertical type aluminum shell electricity selecting pressure voltage to be 25V
Solving electric capacity, its capacity is 1500 μ F/25V；C3 is filter capacitor, and capacity is 1000 μ F/25V；C4 is decompression capacitor, and its capacity is
0.68μF/450V；
J is DC relay, and the model of selection is JQX-13F-12V.
Circuit production main points, circuit debugging and using method
Because the circuit structure of hands touch electric kettle time delay power-supply controller of electric is fairly simple, as long as generally select
Electronic devices and components performance is intact, and the components and parts annexation in accompanying drawing 1 is welded to specifications, physical connection line and weldering
Connect quality through going through correct after, circuit of the present utility model has only to carry out simply to debug can normal work
Make；
Owing to 220V alternating current power supply uses electric capacity pressure drop mode, during circuit debugging, human body is cut and can not directly be touched
The metal part of circuit board and all components and parts, to avoid electric shock accidents；
The length of delay time is determined, by T=1.1 by the capacity of resistance R1 and the resistance of potentiometer RP, timing capacitor C2
(RP+R1) component values recommended in × C2 formula and embodiment, the timing maximum duration of mono-stable timing circuit about 22 points
Clock；
The determination of delay time, according to the water flask average boiled required time, is then further added by 3～4 minutes,
After ensureing water boiled a few minutes, electric kettle can automatically cut off power supply；
Require that the power inserting insulating pot in electric kettle supply socket CZ controls at below 2000W.
Circuit structure design of the present utility model, components' placement, and it face shaping design and size
Etc. being not key technology of the present utility model, it is not the claimed guardian technique content of this utility model, because of not shadow
Ring this utility model specific implementation process and the realization of utility model purpose, therefore illustrate the most one by one.
Claims (1)
1. a hands touch electric kettle time delay power-supply controller of electric, it includes 220V alternating current power supply, 12V halfwave rectifier filtering voltage regulation
Power supply, touch start monostable circuit, insulating pot power socket control circuit, it is characterised in that:
Described touch starts mono-stable timing circuit by hands touched electrode C M, isolation capacitance C1, time base circuit IC1, timing capacitor
C2, potentiometer RP and resistance R1 composition, the model that time base circuit IC1 selects is NE555, and the 2nd foot of time base circuit IC1 was connected
Isolation capacitance C1 takes over touched electrode C M, the 4th foot of time base circuit IC1 and the 8th foot connection circuit positive pole VCC, the of time base circuit IC1
The positive pole of 6 feet and the 7th foot and timing capacitor C2 connects one end of potentiometer RP, the other end of potentiometer RP and work thereof by resistance R1
Moved end connection circuit positive pole VCC, the negative pole of timing capacitor C2 and the 1st foot connection circuit ground GND of time base circuit IC1；
Described insulating pot power socket control circuit is by DC relay J, protection diode D1, electric kettle supply socket CZ
Composition, the 3rd foot of time base circuit IC1 connects one end and the negative pole of protection diode D1, the DC relay of DC relay J coil
The other end of J coil is connected with circuit ground GND with the positive pole of protection diode D1, the normally opened contact J-1 stationary contact of DC relay J
The normally opened contact J-1 movable contact of live wire end L, DC relay J that point connects 220V alternating current power supply meets electric kettle supply socket CZ
Fire line terminal, electric kettle supply socket CZ zero terminal connection circuit ground GND, the protecting field of electric kettle supply socket CZ
Line terminals meets protection ground wire PE；
Described 12V halfwave rectifier filtering voltage regulation power supply is steady by decompression capacitor C4, bleeder resistance R2 and silicon rectifier diode D2, silicon
Pressure diode DW, electrochemical capacitor C3 composition, the voltage stabilizing parameter of silicon voltage regulator diode DW is the live wire end L of 12V, 220V alternating current power supply
Connect one end and one end of bleeder resistance R2 of decompression capacitor C4, the other end of decompression capacitor C4 and another termination of bleeder resistance R2
The positive pole of silicon rectifier diode D2, the negative pole of silicon rectifier diode D2 meets the negative pole of silicon voltage regulator diode DW and electrochemical capacitor C3
Positive pole, the positive pole of silicon voltage regulator diode DW and the negative pole connection circuit ground GND of electrochemical capacitor C3；
The positive pole of described 12V halfwave rectifier filtering voltage regulation power supply is connected with circuit anode VCC, 12V halfwave rectifier filtering voltage regulation
The negative pole of power supply is connected with the zero line side N and circuit ground GND of 220V alternating current power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620256479.XU CN205644100U (en) | 2016-03-28 | 2016-03-28 | Hand touch formula electric kettle electrical source controller that delays |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620256479.XU CN205644100U (en) | 2016-03-28 | 2016-03-28 | Hand touch formula electric kettle electrical source controller that delays |
Publications (1)
| Publication Number | Publication Date |
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| CN205644100U true CN205644100U (en) | 2016-10-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620256479.XU Expired - Fee Related CN205644100U (en) | 2016-03-28 | 2016-03-28 | Hand touch formula electric kettle electrical source controller that delays |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108649398A (en) * | 2018-05-07 | 2018-10-12 | 周云侠 | Adjustable timing large power supply socket |
| CN108649397A (en) * | 2018-05-03 | 2018-10-12 | 周云侠 | Electric baking pan automatically powers off power outlet |
| CN108832418A (en) * | 2018-06-30 | 2018-11-16 | 周芸 | Electric mosquito repellent long delay regular convenience receptacle |
| CN108899708A (en) * | 2018-07-06 | 2018-11-27 | 周芸 | Multipurpose timing adjustable electric outlet |
| CN108923200A (en) * | 2018-07-10 | 2018-11-30 | 吴建堂 | Ultra-delay Multipurpose electric supply socket |
-
2016
- 2016-03-28 CN CN201620256479.XU patent/CN205644100U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108649397A (en) * | 2018-05-03 | 2018-10-12 | 周云侠 | Electric baking pan automatically powers off power outlet |
| CN108649398A (en) * | 2018-05-07 | 2018-10-12 | 周云侠 | Adjustable timing large power supply socket |
| CN108832418A (en) * | 2018-06-30 | 2018-11-16 | 周芸 | Electric mosquito repellent long delay regular convenience receptacle |
| CN108899708A (en) * | 2018-07-06 | 2018-11-27 | 周芸 | Multipurpose timing adjustable electric outlet |
| CN108923200A (en) * | 2018-07-10 | 2018-11-30 | 吴建堂 | Ultra-delay Multipurpose electric supply socket |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170503 Address after: 529200 Industrial south area, Dajiang Town, Jiangmen, Guangdong, Taishan Patentee after: TAISHAN KANGDA ELECTRIC APPLIANCE PRODUCTS CO.,LTD. Address before: 510000 unit 2414-2416, building, No. five, No. 371, Tianhe District, Guangdong, China Patentee before: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Effective date of registration: 20170503 Address after: 510000 unit 2414-2416, building, No. five, No. 371, Tianhe District, Guangdong, China Patentee after: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Address before: 233000 Bengbu province hi tech Zone in the East China Sea Road, the landscape of the Chinese garden, building 3 - 802 - 26 - Patentee before: Wu Shengduo |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161012 Termination date: 20200328 |