CN2638118Y - Control circuit for electrothermal water bottle - Google Patents
Control circuit for electrothermal water bottle Download PDFInfo
- Publication number
- CN2638118Y CN2638118Y CN 03267324 CN03267324U CN2638118Y CN 2638118 Y CN2638118 Y CN 2638118Y CN 03267324 CN03267324 CN 03267324 CN 03267324 U CN03267324 U CN 03267324U CN 2638118 Y CN2638118 Y CN 2638118Y
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- control circuit
- circuit
- heating
- main control
- electric
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Abstract
A control circuit for electric boiling water bottle comprises a heating circuit 1, a work status indicator circuit 2, a main control circuit 3 and a variable voltage rectifier circuit 4 and also a high-temperature measurement sensor 5 and a controlled switch 6. The controlled switch 6 is positioned between a commercial power and the heating circuit 1; the high-temperature measurement sensor 5 is positioned at the bottom of the electric boiling water bottle and the output terminal thereof is connected with an input terminal of the main control circuit 3 while an output terminal of the main control circuit 3 is connected with a control terminal of the controlled switch 6. When the electric boiling water bottle lacks of water, the control circuit can automatically cut the power of a heating wire for boiling water and avoid high temperature by dry burning inside the refill of the electric boiling water bottle. The control device also has sound alarm component. Therefore, the alarm sound can be heard by people even not around the electric boiling water bottle and the alarming effect is enhanced. The heating wire for boiling water continues to work about 1-2 minutes after water boiling under the control of a delaying control circuit for re-boiling to boil water completely, thus providing more reliability for the device.
Description
1, technical field:
The utility model relates to a kind of control circuit of electric-heating thermos.
2, background technology:
The control circuit of traditional electric-heating thermos is relatively simple for structure, function is perfect inadequately, mainly there are the following problems: 1) when the electric-heating thermos lack of water, insulation heater strip and heater strip to boil water still work on, cause the inner bag of electric-heating thermos partly to produce dry combustion method high temperature, cause burning damage, inner bag high temperature may damage the parts of other circuit control simultaneously; 2) when the electric-heating thermos lack of water, warning circuit normally indicates lamp to report to the police, and when the people is not near electric-heating thermos, can't see the situation of pilot lamp, so the warning effect is not number; 3) temperature controller of general vacuum flask is to be connected on the loop of heater strip to boil water, and just outage when temperature reaches is high if the break-off signal of temperature controller has been got like this, can cause water to hold and not jump.Resolutely open temperature and get lowly, water does not open also just that the electricity went off, causes and drinks unboiled water.Now vacuum flask is on the market held the phenomenon of not jumping in order not cause water, just the break-off signal point is got lowly, and just the electricity went off for the bubbling just of the water of vacuum flask.
3, summary of the invention:
The purpose of this utility model provides a kind of control circuit of electric-heating thermos, it is by being provided with high temperature measurement sensor and controlled switch, in the time of can preventing the electric-heating thermos lack of water, insulation heater strip and heater strip to boil water still work on, and cause the inner bag of electric-heating thermos partly to produce dry combustion method high temperature.
Further purpose of the present utility model provides a kind of control circuit of electric-heating thermos, and it is provided with the delay control circuit that seethes with excitement again, when heater strip temperature controller to boil water is disconnected, also continues 1 minute to boil water half to 2 minute, and is boiled fully water.
The 3rd purpose of the present utility model provides a kind of control circuit of electric-heating thermos, and it strengthens the warning effect by pilot lamp and audible alarm circuit are set.
The utility model is achieved by the following technical solution: it comprises heating work circuit, working indicating, main control circuit and transformation rectification circuit, it also comprises high temperature measurement sensor and controlled switch in addition, between civil power and heating work circuit, controlled switch is set, the high temperature measurement sensor is installed in electric-heating thermos inner bag bottom, the output terminal of high temperature measurement sensor connects the input end of main control circuit, and the output terminal of main control circuit connects the control end of controlled switch.
Above-mentioned described main control circuit comprises the delay control circuit that seethes with excitement again, and the output terminal of the delay control circuit that seethes with excitement again connects the control end of gauge tap, and the heating wire to boil water in gauge tap and the heating work circuit is cascaded.
Above-mentioned described main control circuit also comprises pilot lamp and audible alarm circuit.
The utility model compared with prior art has following advantage: when the electric-heating thermos lack of water, the high temperature measurement sensor is sent to main control circuit with the signal that detects, main control circuit cuts off heater strip power supply to boil water by controlled switch, avoids the inner bag of electric-heating thermos partly to produce dry combustion method high temperature; 2) when the electric-heating thermos lack of water, pilot lamp and audible alarm circuit are reported to the police except pilot lamp and are also had audible alarm, even the people not near electric-heating thermos the time, also can hear alarm sound, enhancing warning effect; 3) delay control circuit that seethes with excitement again is set, arrives one regularly, just disconnect when temperature controller measurements measures water temperature, 1 clock~2 minute but heater strip to boil water is still worked under the control of the delay control circuit that seethes with excitement again, boiled fully water, it is more reliable therefore to work.
4, description of drawings:
Below in conjunction with accompanying drawing the utility model is done detailed explanation:
Fig. 1 is a circuit block diagram of the present utility model;
Fig. 2 is the circuit diagram of Fig. 1 correspondence.
5, embodiment:
As shown in Figure 1 and Figure 2, the utility model comprises heating work circuit 1, working indicating 2, main control circuit 3 and transformation rectification circuit 4, it also comprises high temperature measurement sensor 5 and controlled switch 6 in addition, between civil power and heating work circuit 1, controlled switch 6 is set, high temperature measurement sensor 5 is installed in electric-heating thermos inner bag bottom, the output terminal of high temperature measurement sensor 5 connects the input end of main control circuit 3, and the output terminal of main control circuit 3 connects the control end of controlled switch 6.Main control circuit 3 comprises the delay control circuit 7 that seethes with excitement again, the output terminal of delay control circuit 7 of seething with excitement again connects the control end of gauge tap 8, heating wire to boil water 9 in gauge tap 8 and the heating work circuit 1 is cascaded, and main control circuit 3 also comprises pilot lamp and audible alarm circuit 10.
The delay control circuit 7 of seething with excitement is again realized time-delay function to boil water, and the temperature controller of general vacuum flask is to be connected on the loop of heater strip to boil water just outage when temperature reaches.Like this, high if the break-off signal of temperature controller is got, can cause water to hold and not jump.If break-off signal is got low, water is not also opened with regard to the electricity went off, causes and drinks unboiled water.Now vacuum flask is on the market held the phenomenon of not jumping in order not cause water, just the break-off signal point is got lowly, and just the electricity went off for the bubbling just of the water of vacuum flask.This circuit when temperature controller disconnects, also continues 1 minute to boil water half to 2 minute with regard to having solved this problem, and is boiled fully water.Promptly form delay circuit by capacitor C 2 and resistance R 7.After temperature controller TEM1 measures preset temperature, disconnect, but heating wire to boil water 9 still worked 1 minute half to 2 minute, boiled fully water.
As shown in Figure 2, K switch 2 is used to control motor M and realizes electronic water outlet, and K switch 3 is used to control motor M and realizes manual water outlet, and K switch 1 is used for starting the delay control circuit 7 that seethes with excitement again, K switch 4 is used for heating work circuit 1 resetting after outage, makes it restart work.
Claims (3)
1, a kind of control circuit of electric-heating thermos, comprise heating work circuit (1), working indicating (2), main control circuit (3) and transformation rectification circuit (4), it is characterized in that it also comprises high temperature measurement sensor (5) and controlled switch (6), between civil power and heating work circuit (1), controlled switch (6) is set, high temperature measurement sensor (5) is installed in electric-heating thermos inner bag bottom, the output terminal of high temperature measurement sensor (5) connects the input end of main control circuit (3), and the output terminal of main control circuit (3) connects the control end of controlled switch (6).
2, the control circuit of a kind of electric-heating thermos according to claim 1, it is characterized in that main control circuit (3) comprises the delay control circuit that seethes with excitement again (7), the output terminal of delay control circuit (7) of seething with excitement again connects the control end of gauge tap (8), and gauge tap (8) is cascaded with heating wire to boil water (9) in the heating work circuit (1).
3, the control circuit of a kind of electric-heating thermos according to claim 1 and 2 is characterized in that main control circuit (3) also comprises pilot lamp and audible alarm circuit (10).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 03267324 CN2638118Y (en) | 2003-07-03 | 2003-07-03 | Control circuit for electrothermal water bottle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 03267324 CN2638118Y (en) | 2003-07-03 | 2003-07-03 | Control circuit for electrothermal water bottle |
Publications (1)
Publication Number | Publication Date |
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CN2638118Y true CN2638118Y (en) | 2004-09-01 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 03267324 Expired - Fee Related CN2638118Y (en) | 2003-07-03 | 2003-07-03 | Control circuit for electrothermal water bottle |
Country Status (1)
Country | Link |
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CN (1) | CN2638118Y (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007118427A1 (en) * | 2006-04-17 | 2007-10-25 | Eternal (Guangdong) Electric Holding Ltd. | electronic controller for liquid heating container |
CN102613889A (en) * | 2012-04-06 | 2012-08-01 | 吉小辉 | Automatic power-off device for electric kettle |
CN104391522A (en) * | 2014-12-04 | 2015-03-04 | 潘荣华 | Temperature regulation and control circuit of water dispenser |
CN102438487B (en) * | 2009-05-16 | 2015-09-09 | 木石创新有限公司 | There is the food steamer containers of sequential ohmic water heating |
-
2003
- 2003-07-03 CN CN 03267324 patent/CN2638118Y/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007118427A1 (en) * | 2006-04-17 | 2007-10-25 | Eternal (Guangdong) Electric Holding Ltd. | electronic controller for liquid heating container |
CN102438487B (en) * | 2009-05-16 | 2015-09-09 | 木石创新有限公司 | There is the food steamer containers of sequential ohmic water heating |
CN102613889A (en) * | 2012-04-06 | 2012-08-01 | 吉小辉 | Automatic power-off device for electric kettle |
CN102613889B (en) * | 2012-04-06 | 2014-04-02 | 吉小辉 | Automatic power-off device for electric kettle |
CN104391522A (en) * | 2014-12-04 | 2015-03-04 | 潘荣华 | Temperature regulation and control circuit of water dispenser |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |