CN201348379Y - Heating control device of electric kettle - Google Patents
Heating control device of electric kettle Download PDFInfo
- Publication number
- CN201348379Y CN201348379Y CNU2008202010366U CN200820201036U CN201348379Y CN 201348379 Y CN201348379 Y CN 201348379Y CN U2008202010366 U CNU2008202010366 U CN U2008202010366U CN 200820201036 U CN200820201036 U CN 200820201036U CN 201348379 Y CN201348379 Y CN 201348379Y
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- kettle
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Abstract
The utility model provides a heating control device of an electric kettle, which comprises an electric heating body which is arranged on a kettle body, and a control main-board and a control panel, which are arranged inside a kettle seat, wherein a temperature-sensing resistor is arranged inside the kettle body, and the control panel is provided with a temperature control toggle switch. By adopting the technical proposal, and particularly a temperature sensing signal which is produced by the temperature sensing resistor is utilized to be compared with a setup temperature control signal through an IC control chip, so that a control signal is produced to control the connection or the disconnection of a relay which is connected with the electric heating body, thereby realizing the micro computer control of different heat preservation temperatures, and conforming to different water temperature requirements, and having the advantages of novel structure, convenient operation, strong practicability and the like.
Description
Technical field:
The utility model relates to a kind of family expenses electric heater, particularly relates to a kind of heating control apparatus of electric kettle.
Background technology:
Along with the improvement of expanding economy and people's lives, various household electrical appliance also enter family one after another, and electrical heated appliance markets such as electric kettle are developed rapidly.The function of electric kettle also develops into and can make tea from simple boiling water at present; towards multiple water temperature requirements such as milk; its temperature control equipment also develops into the micro computer temperature adjustment from the dry combustion method protection and the overtemperature prote of tube list; but the heating control apparatus of existing electric kettle exists complicated operation; need adopt boiling form again to be incubated when adopting temperature to reduce to setting value; or adopt the form of carrying out timing heat time heating time is carried out temperature control; therefore, the heating control apparatus of studying a kind of convenient and practical electric kettle is of great practical significance for the function and the purposes of developing electric kettle.
The utility model content:
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of heating control apparatus of electric kettle of suitable employing microcomputerized control is provided.
The purpose of this utility model is achieved in that the heating control apparatus of described a kind of electric kettle, comprise the electric heating element 2 that is arranged on the kettle body 1 and the control mainboard 4 and the control panel 5 that are arranged in the kettle seat 3, be provided with thermo-sensitive resistor 6 in the kettle body 1, control panel 5 is provided with the temperature control point and touches switch 7, thermo-sensitive resistor 6 touches switch 7 with the temperature control point and is electrically connected with the circuit of control mainboard 4 respectively, under the energising connection status, the temperature control point touches switch 7 every connections once, all can in the IC control chip 8 of control mainboard 4, circulation produce different temperature signals, the temperature sense signal that thermo-sensitive resistor 6 produces compares by IC control chip 8 and temperature signal, produces the relay 9 closed or disconnections that a control signal is come control connection electric heating element 2.
Under "on" position, the temperature control point touches the temperature signal that switch 7 produces in the IC control chip 8 of control mainboard 4 be three times one circulations, i.e. it is identical setting value that temperature control point touches switch 7 temperature signal that produces when pushing for three times of being separated by.
The setting value of described temperature signal to the control range of the water temperature of kettle body 1 heating is: first order setting value is lower than Celsius 90 when spending for water temperature, control signal makes relay 9 closures, and electric heating element 2 energisings are when water temperature is heated to 100, control signal disconnects relay 9, electric heating element 2 outages; Second level setting value is lower than Celsius 80 when spending for water temperature, and control signal makes relay 9 closures, electric heating element 2 energisings, and when water temperature was heated to 100, control signal disconnected relay 9, and electric heating element 2 cuts off the power supply; Third level setting value is lower than Celsius 40 when spending for water temperature, and control signal makes relay 9 closures, electric heating element 2 energisings, and water temperature is heated to Celsius 50 when spending, and control signal disconnects relay 9, and electric heating element 2 cuts off the power supply.
Described control panel 5 is provided with three temperature control indicator lamps 11,12,13, described temperature control indicator lamp 11,12,13 is electrically connected with the circuit of control mainboard 4 respectively, the setting value of described temperature signal not simultaneously, different temperature control indicator lamp 11,12,13 electric currents of IC control chip 8 output make corresponding temperature control indicator lamp 11,12,13 luminous.
Described control panel 5 is provided with that temperature display 14, power supply point touch switch 15 and power supply indicator 16, fluidizing point touches switch 17 and the indicator lamp 18 that seethes with excitement again again; described temperature display 14, power supply point touch switch 15 and power supply indicator 16, fluidizing point touches switch 17 and the indicator lamp 18 that seethes with excitement again is electrically connected with the circuit of control mainboard 4 respectively again; this heating control apparatus also is provided with dry combustion method protection and overtemperature prote circuit, uses safer.
Described kettle body 1 is electrically connected by connector 10 with kettle seat 3, and kettle body 1 bottom and kettle seat 3 can be done 360 degree rotations around connector 10, and kettle body 1 arranged outside has gauge 19.
Insulation heating control principle of the present utility model is summarized as follows:
When temperature sense signal is in the setting range of temperature signal, the control signal of IC control chip 8 outputs makes relay 9 place conduction position, be that electric current makes electric heating element 2 energising heating by relay 9, when temperature sense signal exceeds the setting range of temperature signal, the control signal that IC control chip 8 produces makes relay 9 place open position, and promptly power supply interrupts being electrically connected with electric heating element 2; Simultaneously, the setting value of 8 pairs of temperature signals of IC control chip has memory function, carries Hu Jiashui, water and can not change setting value, uses convenient.
The beneficial effects of the utility model are: owing to use technical scheme described in the utility model, the temperature sense signal that particularly adopts thermo-sensitive resistor 6 to produce compares by IC control chip 8 and the temperature signal of setting, produce a control signal and come relay 9 closures of control connection electric heating element 2 or the technical scheme that disconnects, realize the microcomputerized control of different holding temperatures, adapt to different water temperature requirements, have novel structure, easy to operate, the practical beneficial effect that waits.
Description of drawings:
The utility model will be further described below in conjunction with drawings and Examples:
Fig. 1 is one of control circuit schematic diagram of the utility model embodiment;
Fig. 2 be the utility model embodiment the control circuit schematic diagram two;
Fig. 3 is the structural representation of the utility model embodiment application example;
Fig. 4 is the structural representation of the utility model embodiment application example kettle seat;
Among the figure: 1, kettle body; 2, electric heating element; 3, kettle seat; 4, control mainboard; 5, control panel; 6, thermo-sensitive resistor; 7, the temperature control point touches switch; 8, IC control chip; 9, relay; 10, connector; 11, first order temperature control indicator lamp; 12, second level temperature control indicator lamp; 13, third level temperature control indicator lamp; 14, temperature display; 15, power supply point touches switch; 16, power supply indicator; 17, fluidizing point touches switch again; 18, the indicator lamp that seethes with excitement again; 19, gauge;
The specific embodiment:
Embodiment 1: referring to figs. 1 through Fig. 4, in the utility model embodiment, as Fig. 1, shown in Figure 2, the heating control apparatus of described a kind of electric kettle, comprise the electric heating element 2 that is arranged on the kettle body 1 and the control mainboard 4 and the control panel 5 that are arranged in the kettle seat 3, be provided with thermo-sensitive resistor 6 in the kettle body 1, control panel 5 is provided with the temperature control point and touches switch 7, thermo-sensitive resistor 6 touches switch 7 with the temperature control point and is electrically connected with the circuit of control mainboard 4 respectively, under the energising connection status, the temperature control point touches switch 7 every connections once, all can in the IC control chip 8 of control mainboard 4, circulation produce different temperature signals, the temperature sense signal that thermo-sensitive resistor 6 produces compares by IC control chip 8 and temperature signal, produces the relay 9 closed or disconnections that a control signal is come control connection electric heating element 2.
Extremely shown in Figure 4 as Fig. 2, in the utility model embodiment, described control panel 5 is provided with that temperature display 14, power supply point touch switch 15 and power supply indicator 16, fluidizing point touches switch 17 and the indicator lamp 18 that seethes with excitement again again, when rigidly connecting energize, control mainboard 4 and control panel 5 are switched on simultaneously, but temperature display 14 and each indicator lamp be energising as yet, and fluidizing point touches switch 17 and temperature control point and touches switch 7 and be in the lock state again.
When pressing power supply point and touch switch 15, the pulse signal that produces is sent to IC control chip 8 by line, IC control chip 8 sends the corresponding signal of telecommunication after computing makes power supply indicator 16 and temperature display 14 switch on bright by line, connect as if connector 10 this moment, 14 of temperature displays show water temperature, and fluidizing point touches switch 17 and temperature control point and touches switch 7 and be activated again; If access failure, 14 demonstration of temperature display " E1 ", fluidizing point touches switch 17 and temperature control point to touch switch 7 still locked more at this moment.
Touch under the situation that switch 7 is activated at the temperature control point, touch switch 7 by the temperature control point, can produce a temperature signal pulse, IC control chip 8 produces first order temperature signal setting value and sends the corresponding indicator lamp signal of telecommunication by line, makes first order temperature control indicator lamp 11 shinny; Touch switch 7 by the temperature control point again, temperature control indicator lamp 12 in the second level is shinny; It is shinny to touch switch 7 third level temperature control indicator lamps 13 by the temperature control point once more; Touch switch 7 by the temperature control point the 4th time, it is shinny to revert to first order temperature control indicator lamp 11, so circulation.Temperature control indicator lamp not at the same level is shinny, expression IC control chip 8 built-in temperature signal not at the same level setting values.
In the utility model embodiment, the setting value of described temperature signal to the control range of the water temperature of kettle body 1 heating is: first order setting value is lower than Celsius 90 when spending for water temperature, control signal makes relay 9 closures, electric heating element 2 energisings, when water temperature is heated to 100, control signal disconnects relay 9, electric heating element 2 outages; Second level setting value is lower than Celsius 80 when spending for water temperature, and control signal makes relay 9 closures, electric heating element 2 energisings, and when water temperature was heated to 100, control signal disconnected relay 9, and electric heating element 2 cuts off the power supply; Third level setting value is lower than Celsius 40 when spending for water temperature, and control signal makes relay 9 closures, electric heating element 2 energisings, and water temperature is heated to Celsius 50 when spending, and control signal disconnects relay 9, and electric heating element 2 cuts off the power supply.
No matter be in which kind of temperature signal setting value, when when fluidizing point touches switch 17 again, IC control chip 8 can produce a control signal and make relay 9 closures, electric heating element 2 work, the water in the kettle body 1 can be heated to 100 degree, and this moment, the resistance of thermo-sensitive resistor 6 was lower than a certain resistance, IC control chip 8 is by after comparing resistance, relay 9 is disconnected, stop heating, recover original preservation and controlling state.
After touching switch 15 by power supply point first behind the connection power supply, if touch switch 15 by power supply point again, temperature display 14 and each indicator lamp all cut off the power supply, fluidizing point touches switch 17 and temperature control point and touches switch 7 and be in the lock state again, relay 9 also is in off-state, and electric heating element 2 is not worked, so circulation.
To shown in Figure 4, described kettle body 1 is electrically connected by connector 10 with kettle seat 3 as Fig. 2, and kettle body 1 bottom and kettle seat 3 can be done 360 degree rotations around connector 10, and the external side of kettle is provided with gauge 19.
The utility model also can design other embodiments in conjunction with concrete applicable cases according to technical scheme described in the utility model including, but not limited to the described embodiment of the foregoing description.
Claims (4)
1. the heating control apparatus of an electric kettle, comprise the electric heating element (2) that is arranged on the kettle body (1) and be arranged on control mainboard (4) and control panel (5) in the kettle seat (3), it is characterized in that: be provided with thermo-sensitive resistor (6) in the kettle body (1), control panel (5) is provided with the temperature control point and touches switch (7), and thermo-sensitive resistor (6) touches switch (7) with the temperature control point and is electrically connected with the circuit of control mainboard (4) respectively.
2. the heating control apparatus of a kind of electric kettle according to claim 1, it is characterized in that: described control panel (5) is provided with three temperature control indicator lamps (11), (12), (13), described temperature control indicator lamp (11), (12), (13) are electrically connected with the circuit of control mainboard (4) respectively, the setting value of described temperature signal not simultaneously, different temperature control indicator lamp (11), (12), (13) electric currents of IC control chip (8) output makes corresponding temperature control indicator lamp (11), (12), (13) luminous.
3. the heating control apparatus of a kind of electric kettle according to claim 1, it is characterized in that: described control panel (5) is provided with that temperature display (14), power supply point touch switch (15) and power supply indicator (16), fluidizing point touches switch (17) and the indicator lamp (18) that seethes with excitement again again, and described temperature display (14), power supply point touch switch (15) and power supply indicator (16), fluidizing point touches switch (17) and the indicator lamp (18) that seethes with excitement again is electrically connected with the circuit of control mainboard (4) respectively again.
4. the heating control apparatus of a kind of electric kettle according to claim 1, it is characterized in that: described kettle body (1) is electrically connected by connector (10) with kettle seat (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202010366U CN201348379Y (en) | 2008-09-25 | 2008-09-25 | Heating control device of electric kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202010366U CN201348379Y (en) | 2008-09-25 | 2008-09-25 | Heating control device of electric kettle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201348379Y true CN201348379Y (en) | 2009-11-18 |
Family
ID=41367844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202010366U Expired - Fee Related CN201348379Y (en) | 2008-09-25 | 2008-09-25 | Heating control device of electric kettle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201348379Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011147294A1 (en) * | 2010-05-25 | 2011-12-01 | 晶辉科技（深圳）有限公司 | Electric kettle |
| CN105157234A (en) * | 2014-05-05 | 2015-12-16 | 威能(无锡)供热设备有限公司 | Home appliance with removable control panel and a system including the home appliance |
| CN106943018A (en) * | 2017-04-11 | 2017-07-14 | 广州市拓璞电器发展有限公司 | A kind of leak through type coffee machine |
-
2008
- 2008-09-25 CN CNU2008202010366U patent/CN201348379Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011147294A1 (en) * | 2010-05-25 | 2011-12-01 | 晶辉科技（深圳）有限公司 | Electric kettle |
| CN105157234A (en) * | 2014-05-05 | 2015-12-16 | 威能(无锡)供热设备有限公司 | Home appliance with removable control panel and a system including the home appliance |
| CN106943018A (en) * | 2017-04-11 | 2017-07-14 | 广州市拓璞电器发展有限公司 | A kind of leak through type coffee machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091118 Termination date: 20120925 |