CN101251750A - Electrothermic boiled water pot intelligent control circuit with multiple collecting functions - Google Patents
Electrothermic boiled water pot intelligent control circuit with multiple collecting functions Download PDFInfo
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- CN101251750A CN101251750A CN 200810087390 CN200810087390A CN101251750A CN 101251750 A CN101251750 A CN 101251750A CN 200810087390 CN200810087390 CN 200810087390 CN 200810087390 A CN200810087390 A CN 200810087390A CN 101251750 A CN101251750 A CN 101251750A
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Abstract
An electrothermal water boiling pot intelligent control circuit with multiple selection functions is characterized in that: a pressure switch is connected with an input end of a single chip microcomputer and arranged at the bottom of a container; the input end of the single chip microcomputer is connected respectively with a soft-touch button, an infrared remote control receiver, a detecting circuit for the potential difference between a zero line and a ground wire, a detecting circuit for the current difference between a live wire and the zero line, an A/D temperature control circuit and two sets of soft-touch switches; an output end of the single chip microcomputer is connected respectively with an LCD, an LED and a triode switching circuit controlling the connection and disconnection of a live wire and a ground wire; the detecting circuit for the potential difference between a zero line and a ground wire connected across the ground wire and a zero line is formed by connecting a transformer, a switching tube, a Darlington tube and an operational amplifier progressively with a monostable circuit, so as to be selected and used. The intelligent control circuit has the advantage of effectively preventing the occurrence of dry heating and other accidents and using line control or remote control to set temperature, temperature display and temperature control function, so as to bring convenience to users needing the water at different temperature. As an electrothermal water boiling pot is provided with an electric shock prevention device, thereby bringing users with safe electricity using environment.
Description
Technical field
The present invention relates to a kind of intelligent control circuit of electro-heat water boiler, particularly a kind of intelligent control circuit of electro-heat water boiler with multiple choices function.
Background technology
The present patent application a few days ago, there is following defective in electro-heat water boiler: electro-heat water boiler must have water by container when requiring electric heater for heating, forbids dry combustion method.The electro-heat water boiler electric heating tube of prior art is not done control to powering up, and no matter whether container has water, can both power-on, and under the anhydrous situation of container, open electric heater for heating, easily cause accidents such as dry combustion method.The electro-heat water boiler of prior art does not use line traffic control or remote control setting temperature and does not have temperature to show and control function, and giving needs different users with coolant-temperature gage to make troubles.The electro-heat water boiler of prior art does not have anti-shock device, brings the electricity consumption unsafe factor to the user.
Summary of the invention
The purpose of this invention is to provide a kind of intelligent control circuit of electro-heat water boiler with multiple choices function.
The technical solution adopted for the present invention to solve the technical problems is to comprise pressure switch and single-chip microcomputer imput output circuit, it is characterized in that pressure switch is installed in container bottom, pressure switch one end is connected with the single-chip processor i/o input end, pressure switch closure when other end ground connection, pressure switch are adjusted to container and have water more than 0.5 liter; The single-chip processor i/o input end has to be connected with the touch-switch of break function with the infrared remote control receiver, zero line-ground wire potential difference testing circuit, live wire that touch key, be used for remote control control that are used for line traffic control control and neutral line current difference detecting circuit, A/D temperature control circuit and two groups respectively and is connected, the single-chip processor i/o output terminal is connected with LCDs, light emitting diode, transistor switching circuit respectively, and the relay contact that is connected with transistor switching circuit is connected with the in-out end of ground wire with the live wire that is connected electric heating tube respectively.Zero grounding potential difference detector set is connected across between ground wire and zero line, connect to form step by step by the transformer and commutator tube, stabilivolt, electric capacity of voltage regulation and the final circuit that are connected across between ground wire and zero line, final circuit is made up of switching tube, Darlington transistor, operational amplifier and monostable circuit respectively, and final circuit is connected with the single-chip processor i/o input end respectively.Two groups have connection and are connected with the single-chip processor i/o input end respectively with touch-switch one end of break function, and be connected with positive source by resistance, its common end grounding, two groups have to connect with the touch-switch of break function and are made up of two and a touch-switch respectively, are respectively applied for touching key and being used for a kind of or whole of infrared remote control receiver that remote control controls of selecting in the zero grounding potential difference detector set final circuit a kind of in switching tube, Darlington transistor, operational amplifier and the monostable circuit and select that line traffic control controls.Live wire and neutral line current difference detecting circuit are connected to form by double operational integrated circuit and magnetic ring coil, and live wire and zero line pass magnetic ring coil, and the double operational integrated circuit is connected with the single-chip processor i/o input end.
The invention has the beneficial effects as follows and guarantee to open the electric heating tube power supply when electro-heat water boiler must container has water more than 0.5 liter.Under the anhydrous situation of container, can not open electric heater for heating, can effectively prevent the generation of accidents such as dry combustion method.Electro-heat water boiler is provided with line traffic control or remote control setting temperature and the temperature demonstration and the temperature control function of selective use, and giving needs different users with coolant-temperature gage to bring convenience.Electro-heat water boiler is provided with the anti-shock device of selecting use for different manufacturers, brings the safety utilization of electric power environment to the user.
Description of drawings
The invention will be further described below by accompanying drawing.
Accompanying drawing 1 is an electrical schematic diagram of the present invention.
Embodiment
Consult Fig. 1.Single-chip microcomputer is the 8-bit microcontroller of U.S. Microchip company among the figure.Embodiment is PIC16C57.
This device comprises pressure switch and single-chip microcomputer imput output circuit, and pressure switch is installed in container bottom, and pressure switch one end is connected with the single-chip processor i/o input end, other end ground connection, pressure switch closure when pressure switch is adjusted to container and has water more than 0.5 liter.The single-chip processor i/o input end touches key, infrared remote control receiver, zero line-ground wire potential difference testing circuit, live wire and neutral line current difference detecting circuit, A/D temperature control circuit and two groups and has to be connected with the touch-switch of break function and be connected with one group respectively, the single-chip processor i/o output terminal is connected with LCDs, light emitting diode, transistor switching circuit respectively, and the relay contact that is connected with transistor switching circuit is connected with the in-out end of ground wire with the live wire that is connected electric heating tube respectively.Zero grounding potential difference detector set is connected across between ground wire and zero line, connect to form step by step by the transformer and commutator tube, stabilivolt, electric capacity of voltage regulation and the final circuit that are connected across between ground wire and zero line, final circuit is made up of switching tube, Darlington transistor, operational amplifier and monostable circuit respectively, and final circuit is connected with the single-chip processor i/o input end respectively.Live wire and neutral line current difference detecting circuit are connected to form by double operational integrated circuit and magnetic ring coil, and live wire and zero line pass magnetic ring coil, and the double operational integrated circuit is connected with the single-chip processor i/o input end.
Two groups have to connect with the touch-switch of break function and are made up of two and a touch-switch respectively among the embodiment.Present embodiment definition touch-switch is connected to 1, being broken as 0, two touch-switch connects to be connected with a touch-switch with 00,01 combination that disconnects with the four kinds of various combinations 00,01,10,11 that disconnect and is respectively applied for touching key and being used for a kind of or whole of infrared remote control receiver that remote control controls of selecting in the zero grounding potential difference detector set final circuit a kind of among switching tube G1, Darlington transistor G2, operational amplifier IC1 and the monostable circuit IC2 and select that line traffic control controls.
Embodiment touches key and infrared remote-control emitter comprises open key, close key, temperature rising setting key, temperature decline setting key and reset key.Infrared remote control receiver is made up of infrared remote control receiving tube REC and capacitor C, is connected with the single-chip microcomputer input end.Infrared remote-control emitter and infrared remote control receiver circuit are prior art.
This device zero line-ground wire potential difference testing circuit provides electric heating tube basic insulation and ground wire to lose efficacy simultaneously or the ground wire electrification signal to singlechip chip.Live wire electric-leakage detection circuit live wire provides the electric heating tube electric leakage signal to singlechip chip.The A/D temperature control circuit is made up of thermistor and A/D circuit, and the A/D temperature control circuit is connected with the single-chip processor i/o input end, to single-chip microcomputer output temperature digital signal.
Claims (3)
1, a kind of intelligent control circuit of electro-heat water boiler with multiple choices function, comprise pressure switch and single-chip microcomputer imput output circuit, it is characterized in that pressure switch is installed in container bottom, pressure switch one end is connected with the single-chip processor i/o input end, pressure switch closure when other end ground connection, pressure switch are adjusted to container and have water more than 0.5 liter; The single-chip processor i/o input end has to be connected with the touch-switch of break function with the infrared remote control receiver, zero line-ground wire potential difference testing circuit, live wire that touch key, be used for remote control control that are used for line traffic control control and neutral line current difference detecting circuit, A/D temperature control circuit and two groups respectively and is connected, the single-chip processor i/o output terminal is connected with LCDs, light emitting diode, transistor switching circuit respectively, and the relay contact that is connected with transistor switching circuit is connected with the in-out end of ground wire with the live wire that is connected electric heating tube respectively.
2, the intelligent control circuit of electro-heat water boiler with multiple choices function according to claim 1, it is characterized in that zero grounding potential difference detector set is connected across between ground wire and zero line, connect to form step by step by the transformer and commutator tube, stabilivolt, electric capacity of voltage regulation and the final circuit that are connected across between ground wire and zero line, final circuit is made up of switching tube, Darlington transistor, operational amplifier and monostable circuit respectively, and final circuit is connected with the single-chip processor i/o input end respectively.
3, intelligent control circuit of electro-heat water boiler with multiple choices function according to claim 1, it is characterized in that two groups have to connect and are connected with the single-chip processor i/o input end respectively with touch-switch one end of break function, and be connected with positive source by resistance, its common end grounding, two groups have to connect with the touch-switch of break function and are made up of two and a touch-switch respectively, are respectively applied for switching tube in the selection zero grounding potential difference detector set final circuit, Darlington transistor, a kind of in operational amplifier and the monostable circuit and select touching key and being used for infrared remote control receiver a kind of or whole of remote control control of line traffic control control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810087390 CN101251750B (en) | 2008-03-20 | 2008-03-20 | Electrothermic boiled water pot intelligent control circuit with multiple collecting functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810087390 CN101251750B (en) | 2008-03-20 | 2008-03-20 | Electrothermic boiled water pot intelligent control circuit with multiple collecting functions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101251750A true CN101251750A (en) | 2008-08-27 |
| CN101251750B CN101251750B (en) | 2013-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810087390 Expired - Fee Related CN101251750B (en) | 2008-03-20 | 2008-03-20 | Electrothermic boiled water pot intelligent control circuit with multiple collecting functions |
Country Status (1)
| Country | Link |
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| CN (1) | CN101251750B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105496212A (en) * | 2015-11-27 | 2016-04-20 | 佛山市南海区广工大数控装备协同创新研究院 | Circuit control system of intelligent water dispenser controllable by mobile phone |
| CN107062619A (en) * | 2017-03-02 | 2017-08-18 | 佛山利物浦电子科技有限公司 | A kind of anti-dry burning device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2119862U (en) * | 1992-04-08 | 1992-10-28 | 方仕达 | Electrothermal kettle with signalling means |
| IT1264818B1 (en) * | 1993-07-28 | 1996-10-10 | Sit La Precisa Spa | ELECTRONIC CONTROL BOARD FOR BOILER ELECTRONIC CONTROL BOARD FOR BOILER |
| CN1658105A (en) * | 2005-03-09 | 2005-08-24 | 谭启仁 | Built-A/D converter controller with earth wire failure protection for electric water heater |
| CN200997062Y (en) * | 2006-10-08 | 2007-12-26 | 谭启仁 | Peripheral circuit structure of mono-chip processer shared chip for built-in electric water heater |
| CN201216478Y (en) * | 2008-03-20 | 2009-04-08 | 谭启仁 | Intelligent control for electric heating water boiling pot with multi-choice function |
-
2008
- 2008-03-20 CN CN 200810087390 patent/CN101251750B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105496212A (en) * | 2015-11-27 | 2016-04-20 | 佛山市南海区广工大数控装备协同创新研究院 | Circuit control system of intelligent water dispenser controllable by mobile phone |
| CN107062619A (en) * | 2017-03-02 | 2017-08-18 | 佛山利物浦电子科技有限公司 | A kind of anti-dry burning device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101251750B (en) | 2013-07-10 |
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Granted publication date: 20130710 Termination date: 20140320 |