CN2445244Y - Quick intelligent electric water heater - Google Patents
Quick intelligent electric water heater Download PDFInfo
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- CN2445244Y CN2445244Y CN 00258542 CN00258542U CN2445244Y CN 2445244 Y CN2445244 Y CN 2445244Y CN 00258542 CN00258542 CN 00258542 CN 00258542 U CN00258542 U CN 00258542U CN 2445244 Y CN2445244 Y CN 2445244Y
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 47
- 238000010438 heat treatment Methods 0.000 claims abstract description 46
- 238000005485 electric heating Methods 0.000 claims abstract description 30
- 238000001514 detection method Methods 0.000 claims abstract description 20
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 15
- 239000010703 silicon Substances 0.000 claims abstract description 15
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 230000003139 buffering effect Effects 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 4
- 230000003321 amplification Effects 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 3
- 101000668165 Homo sapiens RNA-binding motif, single-stranded-interacting protein 1 Proteins 0.000 claims description 2
- 101000668170 Homo sapiens RNA-binding motif, single-stranded-interacting protein 2 Proteins 0.000 claims description 2
- 102100039692 RNA-binding motif, single-stranded-interacting protein 1 Human genes 0.000 claims description 2
- 102100039690 RNA-binding motif, single-stranded-interacting protein 2 Human genes 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000005611 electricity Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
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- Control Of Resistance Heating (AREA)
- Control Of Temperature (AREA)
Abstract
The utility model provides a quick intelligent electric water heater, comprising a water storage tank, a control panel, microcomputer control circuit and be located the inside electric heating pipe of storage water tank and with electric heating pipe matched with water route pipeline, microcomputer control circuit still includes heating control circuit (8), heating circuit (9), go out water detection circuitry (1), add power control circuit (11), when having water in the detection water tank of water detection circuitry (1), CPU issue a command, add power control circuit (11) action, add 220V alternating current in heating circuit (9), and simultaneously, CPU detects and sets for the temperature value, send signal gives heating control circuit (8), the break-make of control silicon controlled rectifier, make electric heating pipe the electricity or cut off the power supply, the control temperature. Can eliminate the relay fire stopping phenomenon, timely control the water temperature change, and is safe and convenient to use.
Description
The utility model relates to storage-type electric water heater, particularly a kind of quick, intelligent electric heater.
Electric heater is more and more favored by users because of convenient safely and fast, and its control mode is also changed to microcomputerized control by traditional mechanical type control.Chinese patent CN2360797Y discloses a kind of microcomputer-recognized intelligent electric heater, with the central processing unit CPU is core, be with power circuit, electrify restoration circuit, liquid crystal display circuit, button inputting circuits, electric-leakage detection circuit and temperature sensing circuit outward, heating control circuit wherein utilizes the direct control relay break-make of the detection signal of CPU 220V power supply, the continuous charged contact in contact, spark phenomenon can take place, very easily cause damage, there is potential surge in the entire circuit system.Simultaneously, the heating wire that is used to heat only has a heating route, and water temperature straight up and down, and is wayward, uses and inconvenience.
The purpose of this utility model is in order to overcome the shortcoming of prior art, to provide a kind of and can eliminate the relay spark phenomenon, and water temperature can in time be controlled, quick, intelligent electric heater safe and convenient to use.
For achieving the above object, the utility model is by the following technical solutions:
This quick, intelligent electric heater, comprise storage tank, control panel, control circuit and be positioned at the electric heating tube of storage tank inside and the waterway pipe that matches with electric heating tube, microcomputer control circuit wherein is a core with central microprocessing unit CPU (12), peripheral circuit has water temperature detection system (2), A/D conversion or V-F converting system (3), panel control circuit (4), auditory tone cues and sound light alarming circuit (6), show and light indicating circuit (7), manual reset circuit (10) and 220V alternating current and switch power supply system (13) is characterized in that microcomputer control circuit also comprises heating control circuit (8), heater circuit (9) and water outlet testing circuit (1), add electric control circuit (11); When in water outlet testing circuit (1) detection storage tank water being arranged, central microprocessing unit CPU (12) sends instruction, adds electric control circuit (11) action, and the 220V alternating current is added in the heater circuit (9), and heater circuit (9) main element is an electric heating tube; Simultaneously, central processing unit CPU (12) detects set temperature value, sends signal and gives heating control circuit (8), heating control circuit (8) core parts are controllable silicon, obtain signal after, heating control circuit control silicon controlled break-make, make electric heating tube get electric or outage, the control water temperature.
The peripheral circuit of described microcomputer control circuit also has detection of electrical leakage and leakage protection circuit (5); this electric circuit inspection is when having electrical leakage voltage; give central microprocessing unit CPU (12) one level signals; trigger the earth leakage protective program; the microprocessing unit CPU of central authorities (12) send control signal and give heating control circuit (8); disconnect controllable silicon, cut off the 220V power supply of heating system.
Described waterway pipe is made up of water inlet, first group of electric heating tube (23), second group of electric heating tube (24), delivery port, and the front portion of whole waterway pipe is " U " shape pipeline, and first group of electric heating tube (23) is located in the pipeline; The rear portion of waterway pipe is one " returning " shape pipeline, and second group of electrothermal tube (24) is located in " returning " shape pipeline, and the delivery port drainage tube is connected on the inboard pipeline of " returning " shape pipeline.
Based on technical scheme, the utility model has following effect:
1. go out that water speed is fast, heat is big.
2. easy to operate.Only need add and power on, open water intaking valve, set required water temperature and get final product, other process Based Intelligent Control.
3. adaptability is strong.Line voltage 240V to 120V is the energy operate as normal all, and discharge changes also little to the influence of native system.
4. safe and reliable.Utilize microcomputerized control, can fast, reliably discharge power supply relay, realize earth leakage protective.
5. rational in infrastructure, volume is small and exquisite, does not take too much space.
6. leaving water temperature fluctuation is little, can be controlled in setting value ± 2 degrees centigrade in.
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the panel construction schematic diagram.
Fig. 2 is the waterway pipe structural representation.
Fig. 3 is the microcomputer control system theory diagram.
Fig. 4-Fig. 7 is the embodiment circuit theory diagrams.
Fig. 8 is a main program flow chart.
Fig. 9 is a panel interrupt routine flow chart.
Figure 10 is electric leakage interrupt routine flow chart.
As Fig. 1,2, shown in 3, this quick, intelligent electric heater, comprise storage tank, control panel, control circuit and be positioned at the electric heating tube of storage tank inside and the waterway pipe that matches with electric heating tube, microcomputer control circuit wherein is a core with central microprocessing unit CPU 12, peripheral circuit has water temperature detection system 2, A/D conversion or V-F converting system 3, panel control circuit 4, auditory tone cues and sound light alarming circuit 6, show and light indicating circuit 7, manual reset circuit 10 and 220V alternating current and switch power supply system 13, microcomputer control circuit also comprises heating control circuit 8, heater circuit 9 and water outlet testing circuit 1, add electric control circuit 11.Through water outlet testing circuit 1 detect when in the storage tank water being arranged, central microprocessing unit CPU12 sends instruction, adds electric control circuit 11 actions, and the 220V alternating current is added in the heater circuit 9, heater circuit 9 main elements are electric heating tube.Simultaneously, central processing unit CPU 12 detects set temperature value, signal takes place give heating control circuit 8, heating control circuit 8 core parts are controllable silicon, obtain signal after, heating control circuit control silicon controlled break-make, make electric heating tube get electric or outage, the control water temperature.
The peripheral circuit of microcomputer control circuit also has detection of electrical leakage and leakage protection circuit 5; this electric circuit inspection is when having electrical leakage voltage; give central microprocessing unit CPU12 one level signal; trigger the earth leakage protective program; the microprocessing unit CPU12 of central authorities sends control signal and gives heating control circuit 8; disconnect IGCT, cut off the 220V power supply of heating system.
Waterway pipe is made up of water inlet, first group of electric heating tube 23, second group of electric heating tube 24, delivery port, and the front portion of whole waterway pipe is " U " shape pipeline, and first group of electric heating tube 23 is located in the pipeline; The rear portion of waterway pipe is one " returning " shape pipeline, and second group of electrothermal tube 24 is located in " returning " shape pipeline, and the delivery port drainage tube is connected on the inboard pipeline of " returning " shape pipeline.
The microprocessing unit CPU12 of central authorities is by 8031 series microprocessors.After the heating pulse signal that constituting of heating control circuit 8: CPU sends is delivered to the phase inverter buffering by data pin, after the triode amplification, export to controllable silicon by transformer coupled or photoelectrical coupler coupling coupling, control silicon controlled break-make.
As shown in Figure 6, water outlet testing circuit 1 constitutes: detection head by resistance R 5 receive+the 5V power supply on, link to each other with the P1.4 mouth of CPU simultaneously, when water outlet, because the Di Heshui of cpu system is common ground, so detection head provides a low level to CPU, when CPU detected the P1.4 mouth and low level occurs, thinking had water to flow into.
Adding electric control circuit 11 constitutes: be made up of 220V total power switch and relay, general supply is connected the back and is powered to Switching Power Supply, when CPU sends low level by the P1.0 mouth, cushion by phase inverter, after triode BG11 amplified, attracting electric relay powered up to heating part, because CPU is when the instruction of sending attracting electric relay, heating control section is divided shutoff.
First group of electric heating tube 23 is two by quantity, and second group of electric heating tube 24 quantity is one, and its power is less than first group of electric heating tube.
Water temperature detection system 2 in the peripheral circuit is made of cooling-water temperature sensor, and cooling-water temperature sensor is made of the thermistor and the amplifier of temperature sensor or positive temperature characterisitic or negative temperature characteristic.As shown in Figure 4, temperature-sensing system cooperates with heating control circuit 8 in the present embodiment, and the same circuit of three covers is arranged, sensor R60, R61, R62 are located on the waterway pipe, as shown in Figure 2, sensor adopts 25, one 5 Ω thermistors 26 of two 50 Ω thermistors.In the circuit by amplifier U10, U9, U8 respectively with R60, R61, R62, resistance R 36, R37, R40, R39, R30, R31, R33, R34, R34, R23, R25, R28, R27 and potentiometer R35, R29, R24, capacitor C 5, C4, C3, diode BG10, BG11, BG12 constitute a reference comparator jointly, when sensor values is influenced by water temperature and changes, after voltage on it amplifies through amplifier, give A/D converting system, carry out analog-to-digital conversion.A/D converting system 3 adopts ADC0809 multichannel analog-digital converter, and the water temperature detection system is detected IN-0, IN-1, the IN-2 that voltage is input to ADC0809 U8 respectively, and conversion back data export the data input port of CPU U5 to.The sequential of ADC0809 is provided by 74LS74 U9.
Electric-leakage detection circuit is by triode BG0, and resistance R 0 constitutes.
Panel is provided with key 14, power switch 15, power supply written instructions lamp 16 is set, adds 1 key 17, confirms keyboard 8, subtracts 1 key 19, reset key 28 buzzers 20, relay indicating light 21 and digital display tube 22.Panel control circuit 4 comprise with panel on key 14 be set, add 1 key 17, acknowledgement key 18, subtract switch SW 11, SW12, SW14, SW13 that 1 key 19 links to each other, triggering signal is delivered to P17, the P18 of CPU U5, enter panel interrupt handling routine as shown in Figure 9, water temperature value is set, when CPU detects the P1.5 mouth and low level occurs, the set water temperature value increases 1, withdraws from interruption.
The auditory tone cues and sound light alarming circuit 6 courses of work are: when powering up with manual reset and panel operation, CPU sends out a short audio signal to the P1.7 mouth, after phase inverter 74LS04 U7 buffering, after diode BG16 amplification, drives buzzer and sends prompt tone.When CPU detects the signal of telecommunication, after sending instruction cut-out heating system power supply, send the continuous alarm signal via the P1.7 mouth, via phase inverter U7 buffering, after triode BG16 amplifies, drive the buzzer sounding, the diode indicator lamp is glittering simultaneously, and display tube shows flicker 00.
Demonstration and indicating circuit 7 consist of latch 74LS373 U10, U20, and digital display tube U1, u2 and corresponding resistor constitute.Digital display tube U1, U2 show real-time water temperature, and after the electric leakage, flicker shows 00, indicates the work of powering up and electric leakage state respectively by three light emitting diodes.
The manual reset circuit is made of SW20, resistance R 21, capacitor CO and resistance R 22, and reset signal connects the CPURST end.
The P0 mouth of the microprocessing unit CPU 12 microprocessor 80C31 U5 of central authorities is made data I/O mouth and low order address mouth, and the P1 mouth is used separately as voice signal, adds the interface of electric control signal, A/D conversion query, panel control input signal.The P2 mouth is as the delivery outlet of high address, and high address line A15, A14, A13, A12 are used separately as the read signal of 4LS373 of association and A/D conversion and the address signal of A/D conversion, and the P3 mouth is made conventional usefulness such as outer interruption reset condition.Procedure stores exchanges through 74LS373 U4 and CPU with EPROM2732 U3.
220V alternating current and switch power supply system 13 provide 220V/50HZ alternating current for heating system, Switching Power Supply to system provide+5V/3A and+12V/2A ,-12V/1A DC voltage.
Claims (10)
1. quick, intelligent electric heater, comprise storage tank, control panel, control circuit and be positioned at the electric heating tube of storage tank inside and the waterway pipe that matches with electric heating tube, microcomputer control circuit wherein is a core with central microprocessing unit CPU (12), peripheral circuit has water temperature detection system (2), A/D conversion or V-F converting system (3), panel control circuit (4), auditory tone cues and sound light alarming circuit (6), show and light indicating circuit (7), manual reset circuit (10) and 220V alternating current and switch power supply system (13) is characterized in that microcomputer control circuit also comprises heating control circuit (8), heater circuit (9) and water outlet testing circuit (1), add electric control circuit (11); When in water outlet testing circuit (1) detection storage tank water being arranged, central microprocessing unit CPU (12) sends instruction, adds electric control circuit (11) action, and the 220V alternating current is added in the heater circuit (9), and heater circuit (9) main element is an electric heating tube; Simultaneously, central processing unit CPU (12) detects set temperature value, sends signal and gives heating control circuit (8), heating control circuit (8) core parts are controllable silicon, obtain signal after, heating control circuit control silicon controlled break-make, make electric heating tube get electric or outage, the control water temperature.
2. quick, intelligent electric heater as claimed in claim 1; the peripheral circuit that it is characterized in that described microcomputer control circuit also has detection of electrical leakage and leakage protection circuit (5); this electric circuit inspection is when having electrical leakage voltage; give central microprocessing unit CPU (12) one level signals; trigger the earth leakage protective program; the microprocessing unit CPU of central authorities (12) send control signal and give heating control circuit (8), disconnect controllable silicon, cut off the 220V power supply of heating system.
3. quick, intelligent electric heater as claimed in claim 1, it is characterized in that waterway pipe is made up of water inlet, first group of electric heating tube (23), second group of electric heating tube (24), delivery port, the front portion of whole waterway pipe is " U " shape pipeline, and first group of electric heating tube (23) is located in the pipeline; The rear portion of waterway pipe is one " returning " shape pipeline, and second group of electrothermal tube (24) is located in " returning " shape pipeline, and the delivery port drainage tube is connected on the inboard pipeline of " returning " shape pipeline.
4. quick, intelligent electric heater as claimed in claim 1 is characterized in that central microprocessing unit CPU (12) is made up of 8031 series microprocessors; After the heating pulse signal that constituting of described heating control circuit (8): CPU sends is delivered to the phase inverter buffering by data pin, after the triode amplification, by the transformer coupled controllable silicon of exporting to, control silicon controlled break-make.
5. quick, intelligent electric heater as claimed in claim 4, it is characterized in that described heating control circuit (8) has three groups, the heating pulse signal that CPU sends is sent through P1.1, P1.2, P1.4 pin respectively, through the anti-phase buffering of phase inverter U7, amplify via triode BG5, BG7, BG9 respectively, respectively by transformer TRANS1, TRANS2, TRANS3 coupling or photoelectrical coupler coupling, export to corresponding controllable silicon SCR 1, SCR2, SCR3 again.
6. quick, intelligent electric heater as claimed in claim 1 is characterized in that described heater circuit (9) is serially connected with formation in the heating control circuit (8) by electrothermal film heating pipe.
7. quick, intelligent electric heater as claimed in claim 6 is characterized in that described electrothermal film heating pipe has three groups, and wherein two groups is 1KW, and one group is 500W.
8. quick, intelligent electric heater as claimed in claim 1, it is characterized in that described water outlet testing circuit (1) constitutes: detection head by resistance R 5 receive+the 5V power supply on, link to each other with the P1.4 mouth of CPU simultaneously, when water outlet, because the Di Heshui of cpu system is common ground, so detection head provides a low level to CPU, when CPU detected the P1.4 mouth and low level occurs, thinking had water to flow into.
9. quick, intelligent electric heater as claimed in claim 1, it is characterized in that the described electric control circuit (11) that adds constitutes: form by 220V total power switch and relay, general supply is connected the back and is powered to Switching Power Supply, when CPU sends low level by the P1.0 mouth, by the phase inverter buffering, after triode BG11 amplifies, attracting electric relay, power up to heating part, because CPU is when the instruction of sending attracting electric relay, heating control section is divided and is turn-offed.
10. quick, intelligent electric heater as claimed in claim 3 is characterized in that described first group of electric heating tube (23) quantity is two, and second group of electric heating tube (24) quantity is one, and its power is less than first group of electric heating tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00258542 CN2445244Y (en) | 2000-10-12 | 2000-10-12 | Quick intelligent electric water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00258542 CN2445244Y (en) | 2000-10-12 | 2000-10-12 | Quick intelligent electric water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2445244Y true CN2445244Y (en) | 2001-08-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00258542 Expired - Fee Related CN2445244Y (en) | 2000-10-12 | 2000-10-12 | Quick intelligent electric water heater |
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| Country | Link |
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| CN (1) | CN2445244Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100370376C (en) * | 2005-09-08 | 2008-02-20 | 晶辉科技（深圳）有限公司 | Method for estimating water boiling of electric heating kettle |
| CN101832649A (en) * | 2010-02-03 | 2010-09-15 | 杨友林 | Stepless temperature-regulating integrated power control module of quick-heating type electric water heater |
| CN101762020B (en) * | 2009-12-24 | 2011-09-14 | 商少清 | Heating circuit of flowing type instantaneous electric water heater |
| CN105240910A (en) * | 2015-10-19 | 2016-01-13 | 耿华龙 | Step 220-volt electric ion thermal energy machine |
| CN107149402A (en) * | 2016-03-03 | 2017-09-12 | 苏州升奥新能源有限公司 | A kind of SCM Based preservation and controlling electric kettle |
| CN112797636A (en) * | 2020-12-25 | 2021-05-14 | 青岛经济技术开发区海尔热水器有限公司 | Computer board control method and device, computer board and water heater |
-
2000
- 2000-10-12 CN CN 00258542 patent/CN2445244Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100370376C (en) * | 2005-09-08 | 2008-02-20 | 晶辉科技（深圳）有限公司 | Method for estimating water boiling of electric heating kettle |
| CN101762020B (en) * | 2009-12-24 | 2011-09-14 | 商少清 | Heating circuit of flowing type instantaneous electric water heater |
| CN101832649A (en) * | 2010-02-03 | 2010-09-15 | 杨友林 | Stepless temperature-regulating integrated power control module of quick-heating type electric water heater |
| CN105240910A (en) * | 2015-10-19 | 2016-01-13 | 耿华龙 | Step 220-volt electric ion thermal energy machine |
| CN105240910B (en) * | 2015-10-19 | 2018-09-25 | 耿华龙 | 220 volts of electric ion heat energy machines of ladder |
| CN107149402A (en) * | 2016-03-03 | 2017-09-12 | 苏州升奥新能源有限公司 | A kind of SCM Based preservation and controlling electric kettle |
| CN112797636A (en) * | 2020-12-25 | 2021-05-14 | 青岛经济技术开发区海尔热水器有限公司 | Computer board control method and device, computer board and water heater |
| CN112797636B (en) * | 2020-12-25 | 2022-12-13 | 青岛经济技术开发区海尔热水器有限公司 | Computer board control method and device, computer board and water heater |
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| Date | Code | Title | Description |
|---|---|---|---|
| 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 |