CN208425938U - A kind of electric kettle circuit - Google Patents
A kind of electric kettle circuit Download PDFInfo
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- CN208425938U CN208425938U CN201721554336.8U CN201721554336U CN208425938U CN 208425938 U CN208425938 U CN 208425938U CN 201721554336 U CN201721554336 U CN 201721554336U CN 208425938 U CN208425938 U CN 208425938U
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Abstract
The utility model provides a kind of electric kettle circuit, it includes firewire, zero curve, first ground wire, second ground wire, lower connector, upper connector, first bimetal release, second bimetal release, Self-resetting Kick type temperature controller, heat-generating disc and master control PCBA, the lower connector and the upper connector are electrically connected, the master control PCBA includes start key, rectify decompression voltage regulator, MCU control module and relay, the start key is electrically connected the MCU control module, the output end of the firewire is electrically connected the input terminal of the rectification decompression voltage regulator, the output end of the rectification decompression voltage regulator is electrically connected the MCU control module, the output end of the MCU control module is electrically connected the zero curve, the relay original state is normally open.A kind of electric kettle circuit of the utility model, easy to operate, using safe, at low cost, user experience is good.
Description
Technical field
The utility model relates to a kind of electric kettle more particularly to a kind of electric kettle circuits.
Background technique
Most of electric kettles use mechanical temperature control type currently on the market, i.e., are opened on electric kettle using steam-type temperature control
It closes, the key connecting with steam-type temperature detect switch (TDS) is equipped with behind bottle body, steam lead or steam inlet is equipped in pot, utilizes steam
Temperature make steam-type temperature detect switch (TDS) movement disconnect power supply, so sometimes user water can accidentally be overflow during adding water into from
Shock hazard, and higher cost are caused in steam lead or steam inlet；Furthermore there is electronic temperature control insulating pot on the market, use
NTC temperature sensor senses temperature signal feedback to master control PCBA circuit board, using master control PCBA circuit board go to control it is to boil water and
It cuts off the power, such circuit is more complicated, at high cost；Furthermore the power supply base of the electric kettle with operating function at present is all
Power switch and other function Operation switch are separately designed, user needed when using electric kettle first by power switch again by
Autoclaving water key is to boil water, and user experience is bad, not convenient enough.
Utility model content
A kind of structure that based on the deficiencies of the prior art, the utility model was created be designed to provide is simple and convenient to operate,
Use electric kettle circuit safe, at low cost.To achieve the goals above, the utility model provides a kind of electric kettle electricity
Road comprising firewire, zero curve, the first ground wire, the second ground wire, lower connector, upper connector, the first bimetal release, second
Bimetal release, Self-resetting Kick type temperature controller, heat-generating disc and master control PCBA, the lower connector and the upper connector electricity
Property connection, the master control PCBA includes start key, rectification decompression voltage regulator, MCU control module and relay, the starting
Key is electrically connected the MCU control module, and the output end of the firewire is electrically connected the input of the rectification decompression voltage regulator
The output end at end, the rectification decompression voltage regulator is electrically connected the MCU control module, the output of the MCU control module
End is electrically connected the zero curve, and the fire wire output end is also electrically connected the input terminal of the relay, the lower connector packet
The first fire line terminal, the first zero terminal and the first ground wire terminal are included, the output end of the relay is electrically connected described first
Fire line terminal, first ground wire are electrically connected first ground wire terminal, and the zero curve is electrically connected first zero line side
Son, the upper connector include the second fire line terminal, the second zero terminal and the second ground wire terminal, the second fire line terminal electricity
Property connect the input terminal of first bimetal release, the hair is connected in series in the output end of first bimetal release
The output end of hot plate and the Self-resetting Kick type temperature controller, the Self-resetting Kick type temperature controller is electrically connected described second pair
The input terminal of sheet metal switch, the output end of second bimetal release and second zero terminal are electrically connected, institute
It states the second ground wire and is electrically connected second ground wire terminal, the relay original state is normally open.
As the improvement of the utility model electric kettle circuit, the lower connector of the utility model electric kettle circuit
Mating identical with the upper connector, first fire line terminal is electrically connected second fire line terminal, first zero curve
Terminal is electrically connected second zero terminal, and first ground wire terminal is electrically connected the second ground wire terminal.
As the improvement of the utility model electric kettle circuit, the utility model electric kettle circuit further includes load detecting
Circuit, first zero terminal are electrically connected the input terminal of the load detecting circuit, the output of the load detecting circuit
End is electrically connected the MCU control module, and the load detecting circuit is also electrically connected the zero curve.
As the improvement of the utility model electric kettle circuit, the utility model electric kettle circuit further includes indicator light,
The indicator light and the MCU control module are electrically connected.
Compared with prior art, the utility model has the following beneficial effects: it is easy to operate, using safe, at low cost.
Detailed description of the invention
Fig. 1 is the electric kettle circuit theory block diagram of the utility model electric kettle circuit preferred embodiment.
Figure label explanation: 11, firewire；12, zero curve；13, the first ground wire；14, the second ground wire；2, master control PCBA；21, whole
Flow decompression voltage regulator；22, MCU control module；23, relay；24, start key；25, indicator light；26, load detecting circuit；
3, lower connector；31, the first fire line terminal；32, the first zero terminal；33, the first ground wire terminal；4, upper connector；41, second
Fire line terminal；42, the second zero terminal；43, the second ground wire terminal；5, the first bimetal release；6, the second bimetal leaf is opened
It closes；7, heat-generating disc；8, Self-resetting Kick type temperature controller.
Specific embodiment
The utility model electric kettle circuit is suitable for electric kettle.
The preferred embodiment of the utility model electric kettle circuit is described in detail with reference to Fig. 1.
A kind of electric kettle circuit of the utility model comprising firewire 11, zero curve 12, the first ground wire 13, the second ground wire 14,
Lower connector 3, upper connector 4, the first bimetal release 5, the second bimetal release 6, Self-resetting Kick type temperature controller 8,
Heat-generating disc 7 and master control PCBA 2, the lower connector 3 and the upper connector 4 are electrically connected, and the master control PCBA 2 includes
Start key 24, rectification decompression voltage regulator 21, MCU control module 22 and relay 23, the start key 24 are electrically connected described
MCU control module 22, the output end of the firewire 11 is electrically connected the input terminal of the rectification decompression voltage regulator 21, described whole
The output end for flowing decompression voltage regulator 21 is electrically connected the MCU control module 22, the output end electricity of the MCU control module 22
Property the connection zero curve 12, the output end of the firewire 11 is also electrically connected the input terminal of the relay 23, the lower connection
Device 3 includes the first fire line terminal 31, the first zero terminal 32 and the first ground wire terminal 33, and the output end of the relay 23 is electrical
First fire line terminal 31 is connected, first ground wire 13 is electrically connected first ground wire terminal 33,12 electricity of zero curve
Property connection first zero terminal 32, the upper connector 4 includes the second fire line terminal 41, the second zero terminal 42 and second
Ground wire terminal 43, second fire line terminal 41 are electrically connected the input terminal of first bimetal release 5, and described first pair
The heat-generating disc 7 and the Self-resetting Kick type temperature controller 8 is connected in series in the output end of sheet metal switch 5, and the Self-resetting is prominent
The output end of jump formula temperature controller 8 is electrically connected the input terminal of second bimetal release 6, second bimetal release
6 output end and second zero terminal 42 are electrically connected, and second ground wire 14 is electrically connected second ground wire terminal
43,23 original state of relay is normally open.
In the present embodiment, the lower connector 3 of the utility model electric kettle circuit and the upper connector 4 are mating
It coincide, first fire line terminal 31 is electrically connected second fire line terminal 41, and first zero terminal 32 is electrically connected
Second zero terminal 42, first ground wire terminal 33 are electrically connected the second ground wire terminal 43.
In the present embodiment, the utility model electric kettle circuit further includes load detecting circuit 26, first zero curve
Terminal 32 is electrically connected the input terminal of the load detecting circuit 26, and the output end of the load detecting circuit 26 is electrically connected institute
MCU control module 22 is stated, the load detecting circuit 26 is also electrically connected the zero curve 12.
Using the electric kettle working principle of the utility model electric kettle circuit: electric kettle is equipped with institute in bottle body lower part
Connector 4 is stated, the lower connector 3 is equipped on power supply base, bottle body is placed on power supply base, the upper company described at this time
It connects device 4 and the lower connector 3 is mating identical and electric connection, user press the start key 24, the MCU control module 22
Electric signal is provided to the relay 23, the normally open of the relay becomes closed state, opens the energization of heat-generating disc 7
Begin to heat, after the temperature limit for reaching Self-resetting Kick type temperature controller 8, the Self-resetting Kick type temperature controller 8 disconnects the hair
7 operating circuit of hot plate, heat-generating disc 7 are no longer heat up, and the load detecting circuit module 26 detects that circuit is open circuit at this time, and will
For signal feedback to the MCU control module 22, the MCU control module 22, which provides electric signal, makes the relay 23 restore normally opened
State need to press again start key after the Self-resetting Kick type temperature controller 8 reset if you need to carry out work to boil water next time
24.If when there is abnormal condition in electric kettle, as dry combustion method or 8 failure of Self-resetting temperature controller do not jump it is disconnected, then tightly
First bimetal release 5 and second bimetal release 6 for being attached to fever panel surface can reach its movement temperature
The circuit that they are connected is each turned off after degree, heat-generating disc 8 stops heating, ensured safely.
Using the electric kettle of the utility model electric kettle circuit, the start key 24 is arranged on power supply base, this
Upper 3 each need of connector 4 and the lower connector, three electric connection terminal (i.e. the first fire line terminals the 31, the 1st described in sample
Line terminals 32, the first ground wire terminal 33, the second fire line terminal 41, the second zero terminal 42 and the second ground wire terminal 43), and adopt
Heating temperature is controlled with Self-resetting Kick type temperature controller 8, user presses start key 24, heat-generating disc with only needing simple operations
Boiling can be boiled to 100 degree, circuit is simple, at low cost.
In the present embodiment, the utility model electric kettle circuit further includes indicator light 25, the indicator light 25 with it is described
MCU control module 22 is electrically connected, and the indicator light 25 is used to indicate whether electric kettle is in energization or state to boil water.
Compared with prior art, the utility model has the following beneficial effects: at low cost, easy to operate, use is safe.
Above disclosed is only the preferred embodiment of the utility model, certainly cannot be practical new to limit this with this
The interest field of type, therefore equivalent variations made according to the patent scope of the utility model still belong to the utility model and are covered
Range.
Claims (4)
1. a kind of electric kettle circuit, it is characterised in that: it include firewire, zero curve, the first ground wire, the second ground wire, lower connector,
Upper connector, the first bimetal release, the second bimetal release, Self-resetting Kick type temperature controller, heat-generating disc and master control
PCBA, the lower connector and the upper connector are electrically connected, and the master control PCBA includes start key, rectification lowering and stabilizing blood pressure
Circuit, MCU control module and relay, the start key are electrically connected the MCU control module, the output end electricity of the firewire
Property connect it is described rectification decompression voltage regulator input terminal, it is described rectification decompression voltage regulator output end be electrically connected described in
The output end of MCU control module, the MCU control module is electrically connected the zero curve, and the fire wire output end is also electrically connected
The input terminal of the relay, the lower connector include the first fire line terminal, the first zero terminal and the first ground wire terminal, institute
The output end for stating relay is electrically connected first fire line terminal, and first ground wire is electrically connected first ground terminal
Son, the zero curve are electrically connected first zero terminal, and the upper connector includes the second fire line terminal, the second zero terminal
With the second ground wire terminal, second fire line terminal is electrically connected the input terminal of first bimetal release, and described first
The heat-generating disc and the Self-resetting Kick type temperature controller, the Self-resetting kick is connected in series in the output end of bimetal release
The output end of formula temperature controller is electrically connected the input terminal of second bimetal release, second bimetal release it is defeated
Outlet and second zero terminal are electrically connected, and second ground wire is electrically connected second ground wire terminal, the relay
Device original state is normally open.
2. electric kettle circuit according to claim 1, it is characterised in that: the lower connector is matched with the upper connector
Set coincide, the first fire line terminal electric connection second fire line terminal, described in the first zero terminal electric connection
Second zero terminal, first ground wire terminal are electrically connected the second ground wire terminal.
3. electric kettle circuit according to claim 2, it is characterised in that: it further include load detecting circuit, described first
Zero terminal is electrically connected the input terminal of the load detecting circuit, described in the output end of the load detecting circuit is electrically connected
MCU control module, the load detecting circuit are also electrically connected the zero curve.
4. electric kettle circuit according to claim 3, it is characterised in that: it further include indicator light, the indicator light and institute
State MCU control module electric connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721554336.8U CN208425938U (en) | 2017-11-20 | 2017-11-20 | A kind of electric kettle circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721554336.8U CN208425938U (en) | 2017-11-20 | 2017-11-20 | A kind of electric kettle circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208425938U true CN208425938U (en) | 2019-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721554336.8U Active CN208425938U (en) | 2017-11-20 | 2017-11-20 | A kind of electric kettle circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208425938U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021082161A1 (en) * | 2019-10-30 | 2021-05-06 | 浙江达威电子股份有限公司 | Container body circuit connection structure of small household appliance |
-
2017
- 2017-11-20 CN CN201721554336.8U patent/CN208425938U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021082161A1 (en) * | 2019-10-30 | 2021-05-06 | 浙江达威电子股份有限公司 | Container body circuit connection structure of small household appliance |
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