CN102278525B - Intelligent instant-heating faucet - Google Patents
Intelligent instant-heating faucet Download PDFInfo
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- CN102278525B CN102278525B CN2011101796715A CN201110179671A CN102278525B CN 102278525 B CN102278525 B CN 102278525B CN 2011101796715 A CN2011101796715 A CN 2011101796715A CN 201110179671 A CN201110179671 A CN 201110179671A CN 102278525 B CN102278525 B CN 102278525B
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Abstract
The invention relates to an intelligent instant-heating faucet which mainly comprises a circuit control device arranged on a faucet shell, a flow regulating valve seat (3), a hand shank (5), a water-storing cavity (2), a water inlet (1), and a water outlet (6). The faucet is characterized by also comprising a temperature display screen (4) arranged on the flow regulating valve seat, an internal heating tube (8) arranged in the water-storing cavity (2), a temperature sensor (9), a flow tact switch (7) and the like, wherein the circuit control device mainly comprises a CPU(central processing unit) control circuit, a leakage protective circuit, a temperature display circuit, a power-switching circuit, a temperature acquisition circuit, an over-temperature warning circuit, a keyboard control circuit, a thermostatical control circuit and the like. Compared with the existing method of utilizing a relay to mechanically control the heating tube, the method of utilizing the transfer power to control the heating tube according to the scheme of the invention has the advantages that the water temperature is controlled according to the set temperature, the dash current of the heating tube is decreased, and the service life of the heating tube is prolonged, thereby improving the service life of a circuit control system.
Description
Technical field
The present invention relates to a kind of fast hot water tap, particularly a kind of Intelligent fast-heating faucet.
Background technique
On market, existing fast hot water tap is that the heating pipe heating with full power is prerequisite, the size that changes current by valve is carried out the temperature of water outlet and is controlled, yet when valve fixedly during the constant flow of water outlet, increase along with the operating time, will cause the continuous rising of water-exit temperature, affect user's use.So not only power consumption, also may make water-exit temperature too high and scald, and also likely because of unrestricted heating, burns out the serious consequences such as product initiation fire.
The day for announcing is that the patent No. of authorizing on March 10th, 2010 is 200920301640.0 to disclose a kind of cold, hot two-purpose type electric hot water tap that can control water-exit temperature according to the service condition free adjustment, have the detection of electrical leakage safety protection.This electric hot water tap, by the resistance of artificial change adjustable resistance, is regulated the SCR angle of flow, realizes the effect of electrodeless regulatory function, utilizes simultaneously relay switch disconnection and closure to realize earth leakage protective function.Though this kind electric hot water tap has cold, hot two-purpose, artificial free adjustment water-exit temperature; But this electric hot water tap is without the intelligent control temperature, without temperature, shows, regulating water temperature can only blindly operate, and also there are the shortcomings such as easy generation spark, working life be short in relay.
Summary of the invention
The objective of the invention is the shortcoming that exists for existing technology and design a kind of Intelligent fast-heating faucet is provided, this Intelligent fast-heating faucet has the several functions such as temperature display system, thermostatic control system, overtemperature warning system, random setting temperature, on request set water temperature, not overtemperature, do not waste, safer, thereby reach the water saving power saving effect.
Technological scheme of the present invention is: a kind of Intelligent fast-heating faucet, mainly comprise the circuit control device, the flow control valve seat that are arranged on tap shell, be arranged on the handle on the flow control valve seat, the water storage cavity that is communicated with the flow control valve seat and water intake, be communicated with the water tap pipe water outlet with water storage cavity, characterized by further comprising:
Be located at temperature display on the flow control valve seat, be arranged on heating pipe, temperature transducer and current touch switch etc. in water storage cavity; The position, a hole that is provided with position, three holes flow control valve seat is communicated with water intake, position, a hole is communicated with water storage cavity, also has position, a hole to be communicated with the current touch switch;
Described circuit control device mainly comprises: the signal processing single chip cpu control circuit; leakage protection circuit; temperature display circuit; 220V is exchanged the power-switching circuit that is converted to the whole circuit control device of direct-current power supply; sent into the temperature collection circuit of signal processing single chip CPU by temperature transducer collecting temperature signal in water storage cavity; the overtemperature alarm circuit; keyboard control circuit, and the interior heating pipe of major control water storage cavity is by the constant temperature control circuit of zero cross detection circuit and two the electric circuit constitutes of change power heating circuit.
The present invention compared with prior art has the following advantages: product can be in the incoming transport power supply situation of automatic inspection line road electric leakage, judge in the situation that does not have electric leakage just safety starter circuit control gear, improved safety in utilization; This novel Intelligent fast-heating faucet is taked intelligent temperature control system simultaneously, fast hot water tap is carried out unmanned control automatically, control procedure is compared by true temperature and the setting temperature that temperature sensor measurement goes out current, size and the positive and negative intelligent control of carrying out according to the deviation of temperature, when temperature during lower than setting temperature, strengthen the heating power of heating pipe, make water temperature reach rapidly set definite value; On the contrary when temperature during higher than setting temperature, system gives the alarm and lowers rapidly heating power or the stopped heating of heating pipe, makes water temperature drop to rapidly set definite value; Simultaneously in conjunction with streamflow regime and water-exit temperature, automatically regulate the hot water temperature who reaches setting, can not scald; It is fast that this hot water tap also has the hot water of going out speed in addition, do not waste cold water, uses the advantages such as adjustment operation convenience and volume are little.
Description of drawings
Below in conjunction with drawings and Examples, the present invention is described in further details.
Fig. 1 is product Facad structure schematic diagram of the present invention.
Fig. 2 is product of the present invention side cross-sectional view.
Fig. 3 is the circuit block diagram of circuit control device of the present invention.
Fig. 4 is power-switching circuit figure.
Fig. 5 is constant temperature control circuit figure.
Fig. 6 is temperature collection circuit figure.
Fig. 7 is the overtemperature alarm circuit diagram.
Fig. 8 is keyboard control circuit figure.
Fig. 9 is temperature display circuit figure.
Figure 10 is leakage protection circuit figure.
Figure 11 is the whole system circuit diagram.
In figure: 1, water intake 2, water storage cavity 3, flow control valve 4, display screen 5, handle 6, water outlet 7, current touch switch 8, heating pipe 9, temperature transducer
Embodiment
Fig. 1 and Fig. 2 are the structural representation of the present embodiment: a kind of Intelligent fast-heating faucet of the present embodiment, mainly comprise be arranged on tap shell with water buffer circuit control gear, flow control valve seat 3, be arranged on the handle 5 on the flow control valve seat, the water storage cavity 2 that is communicated with the flow control valve seat and water intake 1, with water storage cavity 2, be communicated with water tap pipe water outlet 6, characterized by further comprising:
Be located at the temperature display 4 on the flow control valve seat, be arranged on the interior heating pipe 8 of water storage cavity 2, temperature transducer 9 and current touch switch 7 etc.; The position, a hole that is provided with position, three holes flow control valve seat 3 is communicated with water intake 1, position, a hole is communicated with water storage cavity 2, also has position, a hole to be communicated with current touch switch 7.
As depicted in figs. 1 and 2: the operating method of a kind of Intelligent fast-heating faucet of the present embodiment is: when handle 5 turns to when opening the cold water current and regulating seat valve, cold water directly enters water storage cavity 2 by water intake 1, heating pipe 8 in water storage cavity does not heat, this moment, water storage cavity 2 interior water were cold water, and the water that the water tap pipe water outlet 6 that is communicated with water storage cavity flows out is cold water; When handle 5 turns to when opening the hot water current and regulating seat valve, the water intake 1 that cold water is regulated seat valve by current flows to the position, hole that another is communicated with current touch switch 7, current touch switch 7 is closed under the effect of hydraulic pressure, in water storage cavity, heating pipe 8 heats, water in water storage cavity 2 after heating is hot water, the water that the pipe water outlet 6 of water tap flows out is just hot water, and display screen demonstrates coolant-temperature gage, setting temperature and time simultaneously.
As shown in Figure 3: circuit control device mainly comprises: the signal processing single chip cpu control circuit; leakage protection circuit; temperature display circuit, exchange 220V the power-switching circuit that is converted to the whole circuit control device of direct-current power supply, by temperature transducer R in water storage cavity
10The collecting temperature signal is sent into the temperature collection circuit of signal processing single chip CPU, overtemperature alarm circuit, keyboard control circuit, and heating pipe R in the major control water storage cavity
4Constant temperature control circuit by zero cross detection circuit and two the electric circuit constitutes of change power heating circuit.
Described circuit control device circuit working principle is: while switching on power, the situation of leakage protection circuit automatic inspection line road electric leakage, judge that in the situation that does not have electric leakage, ability startup system is started working, by temperature collection circuit, water temperature is carried out Real-Time Monitoring, image data feeds back to singlechip CPU, compare through singlechip CPU conversion, calculating and setting temperature, it is 0-3000 watt of heating pipe that the output control signal is controlled heating power, improve power heating when temperature is on the low side, the overtemperature alarm system is not worked; Reduce heating power or stopped heating when temperature drift, can respond overtemperature alarm simultaneously.The user can set and adjust time and setting temperature by button, and singlechip CPU will output signal to the display circuit of showing temperature, time and setting temperature, and the water temperature that gathers, the temperature of user's setting and current time are shown.
As shown in Figure 4: described power-switching circuit is mainly by resistance R
13, capacitor C
2, rectifier bridge U
6, voltage-stabiliser tube D
1With filter capacitor C
3Form; Circuit between it is connected to: resistance R
13And capacitor C
2Live wire, another termination rectifier bridge U of a termination 220V power supply after in parallel
61 pin, the zero line of 220V power supply meets rectifier bridge U
63 pin, rectifier bridge U
6Pin 4 and voltage-stabiliser tube D
1Anode joins, rectifier bridge U
62 pin and voltage-stabiliser tube D
1Negative electrode joins, voltage-stabiliser tube D
1Anode and filter capacitor C
3Negative pole this point that joins is the negative pole of DC electrical source, voltage-stabiliser tube D
1Negative electrode and filter capacitor C
3Positive pole this point that joins is the positive source Vcc of DC electrical source, and power-switching circuit exchanges 220V the whole circuit control device of direct-current power supply that is converted to 5V.
Its circuit working principle of described power-switching circuit is: input AC 220V power supply is through resistance R
13, capacitor C
2Resistance-capacitance depressurization, rectifier bridge U
6After carrying out rectification, by voltage-stabiliser tube D
1Carry out voltage stabilizing and filter capacitor C
3Carry out filtering, for whole system provides stable 5V DC electrical source.
As shown in Figure 5: described constant temperature control circuit comprises zero cross detection circuit and becomes power heating circuit two-part; Zero cross detection circuit is mainly by resistance R
5, optocoupler U
2And resistance R
7Form; Circuit between it is connected to: resistance R
5Live wire, another termination optocoupler U of a termination 220V Ac
21 pin; Optocoupler U
22 pin connect the zero line of 220V Ac, optocoupler U
23 pin connect and draw resistance R
7After connect the positive pole of DC electrical source, optocoupler U
23 pin directly connect 4 pin of singlechip CPU, optocoupler U
24 pin connect the negative pole of DC electrical source; Becoming the power heating main circuit will be by heating pipe R
4, current touch switch S
4, relay K
1, resistance R
1, two-way optocoupler U
1, resistance R
2, thyristor Q
1, resistance R
3Form, the circuit between it is connected to: 5 pin of singlechip CPU meet two-way optocoupler U
12 pin, two-way optocoupler U
11 pin connect and draw resistance R
2After connect the positive pole of DC electrical source, two-way optocoupler U
13 pin meet bidirectional thyristor Q
1Gate pole G, two-way optocoupler U
13 pin crosstalks resistances R
1After meet bidirectional thyristor Q
1Main electrode A
1, two-way optocoupler U
14 pin crosstalks resistances R
3Meet bidirectional thyristor Q
1Main electrode A
2, the live wire water receiving of Ac 220V flows touch switch S simultaneously
4Pass through relay K
1Connect bidirectional thyristor Q
1Gate pole A
1, zero line is connected heating pipe R
4After meet bidirectional thyristor Q
1Main electrode A
2, as current touch switch S
4Form loop when closed.
Its circuit working principle of described constant temperature control circuit is: pass through resistance R
5, optocoupler U
2And resistance R
7Form the square wave of zero cross detection circuit in conjunction with singlechip CPU output different duty, pass through resistance R
2, two-way optocoupler U
1, resistance R
1, thyristor Q
1, resistance R
3Control thyristor Q
1The angle of flow, the square wave that output duty cycle is different, make the angle of flow of thyristor can be subject to intelligent control, like this heating pipe R
4Power also be subject to the intelligent control of native system, this intelligence is thermoelectricity water tap heating pipe R in sum
4Heating power be 0-3000 watt, making temperature energy control range is 20-60 ℃, therefore we can pass through keyboard to set up temperature 20-60 ℃, to be singlechip CPU compare accurately to the constant temperature value of real-time water-exit temperature and setting in thermostatically control, and the duty of adjusting output recently changes bidirectional thyristor Q
1The angle of flow, carry out the change power of heating pipe and control, reach the temperature of controlling rapidly, efficiently water outlet.The method that the employing change power of this scheme is controlled heating pipe is with the advantage of the control heating pipe of relay machinery than prior art: can control water temperature according to the temperature of setting, reduced the inrush current of heating pipe, can extend heating pipe working life, thereby improve the working life of circuit control system.
As shown in Figure 6: described temperature collection circuit is mainly by resistance R
9, temperature transducer R
10Form, the circuit between it is connected to: be arranged on temperature transducer R in water storage cavity
10The negative pole of a termination DC electrical source, temperature transducer R
10The other end and resistance R
9Connect the positive pole of DC electrical source after serial connection, temperature transducer R
10Output terminal be connected with pin 3 input ends of signal place singlechip CPU;
Its circuit working principle of described temperature collection circuit is: along with the transformation temperature sensor R of water-exit temperature
10Resistance value also and then change accordingly, utilize this principle, by singlechip CPU in real time to temperature transducer R
10Reading of resistance indirectly read temperature, thereby realize the temperature acquisition function.Contact temperature-measuring (temperature transducer directly contacts with water) is adopted in this measurement to temperature.
As shown in Figure 7: the overtemperature alarm main circuit will be by triode Q
2, resistance R
6, buzzer U
4Form triode Q
2Base stage connecting resistance R
6After connect 2 pin of singlechip CPU, triode Q
2Emitter meets buzzer U
4, buzzer U
4Connect the direct current (d.c.) negative pole, triode Q
2Base electrode connects the direct current (d.c.) positive pole.
Its circuit working principle of described overtemperature alarm circuit is: when water-exit temperature surpasses setting temperature, 2 pin of singlechip CPU will be exported high level, pass through resistance R
6Make triode Q
2Base stage is high level, triode Q
2Conducting makes buzzer U
4Warning reminding user; On the contrary, temperature is during lower than setting temperature, and 2 pin of singlechip CPU, with output low level, pass through resistance R
6Make triode Q
2Base stage is low level, triode Q
2Close buzzer U
4Do not report to the police.
As shown in Figure 8: keyboard control circuit is mainly by button S
1, button S
2, button S
3, resistance R
8, resistance R
11, resistance R
12Form, the circuit between it is connected to: button S
1, button S
2, button S
3And connect, and the button S that connects
1With button S
2Between be connected to a resistance R
11, and the button S that connects
2With button S
3Between be connected to a resistance R
12And meet rear button S
1, button S
2, button S
3Negative pole, the other end and the pull-up resistor R of a termination direct current (d.c.)
8The positive pole that connects direct current (d.c.) after serial connection connects 7 pin of signal place singlechip CPU.
Its circuit working principle of described keyboard control circuit is: button S
1For function key, button S
2For upper key, button S
3Regulate the setting value of setting temperature and time for lower key, S first touches the button
1Enter the adjustment state, flicker on corresponding value, button S
2For upper key, button S
3For the adjustment up and down of lower key value, after adjusting suitable value, then the S that touches the button
1Confirm to adjust and finish.Adjust again as need, repeat above-mentioned steps and adjust., when being to adjust setting temperature, when in the time, glimmering, be the adjustment time when setting temperature glimmers.
As shown in Figure 9: temperature display circuit adopts the blue liquid crystal display screen, by the direct output drive signal of 8-13 pin of singlechip CPU, delivers to display circuit, shows real-time temperature, setting temperature and time.Can be intuitively, the working state of cheer and bright understanding Intelligent fast-heating faucet, the relieved use of safety, be the design concept of very hommization, meets the multi-functional demand of client's product.
As shown in figure 10: described leakage protection circuit is mainly by resistance R
14, resistance R
15, optocoupler U
7, triode Q
3, relay K
1, diode D
2Form, between it, circuit connecting wire is: by the live wire connecting resistance R of 220V Ac
14, resistance R
14Meet optocoupler U
71 pin, optocoupler U
7The 2 pin ground wire of logical the earth in succession; Optocoupler U
73 pin connecting resistance R
15With triode Q
3Base stage, triode Q
3The emitter relay K
11 pin and diode D
2Anode, optocoupler U
74 pin be connected after collector electrode connects the negative pole that connects DC electrical source with triode, relay K
12 pin, diode D
2Negative electrode and resistance R
13Connect dc power anode.
Described earth leakage protective working principle is, when body meets accident electric leakage, and optocoupler U
7Conducting, 3 pin of optocoupler are low level, this moment triode Q
3Conducting, relay K
1Must be electric, normally closed switch disconnects, and the alternating voltage that cuts off immediately 220V, play earth leakage protective effect.Leakage protection circuit is in the situation that just work of electric leakage is in idle state that detects under normal circumstances.
Figure 11 is the whole system circuit diagram of circuit control device of the present invention, and its circuit working principle is: when system is connected 220 Ac, and when body meets accident electric leakage, optocoupler U
7Conducting, 3 pin of optocoupler are low level, this moment triode Q
3Conducting, relay K
1Must be electric, normally closed switch disconnects, and the alternating voltage that cuts off immediately 220V, play earth leakage protective effect; Leakage protection circuit is in the situation that just work of electric leakage is in idle state that detects under normal circumstances.Power circuit provides stable working power for system, and input AC 220V power supply is through resistance R
13, capacitor C
2, resistance-capacitance depressurization, input rectifying bridge U
61 pin and after 3 pin carry out rectification, by 2 pin of rectifier bridge and 4 pin output direct current through voltage-stabiliser tube D
1Carry out voltage stabilizing and filter capacitor and carry out filtering, for system provides stable 5V DC electrical source; This circuit volume is little, efficiency is high and simply be easy to debugging, as the power circuit optimal selection of native system; When the user opens the hot water shelves, current will touch current touch switch 7 closures, and this moment, zero cross detection circuit was connected the 220V Ac, and Ac passes through resistance R
5, optocoupler U
21 pin and 2 pin form loop, because of pull-up resistor R
7Meet optocoupler U
23 pin and optocoupler U
24 pin ground connection, at coupling U
24 pin produce and the Ac same frequency is the square wave of 50HZ, give 4 pin of singlechip CPU, when 4 pin of singlechip CPU obtain heating the signal of square wave, 3 pin of the voltage analog input singlechip CPU that obtains by temperature collection circuit 2, change through singlechip CPU A/D, the temperature that collects and the heating-up temperature of initializing set relatively after, the square wave of the 5 corresponding dutycycles of pin output of singlechip CPU is controlled constant temperature control circuit, 5 pin of singlechip CPU meet two-way optocoupler U
12 pin, pull-up resistor R
1Meet two-way optocoupler U
11 pin, two-way optocoupler U
13 pin meet bidirectional thyristor Q
1Gate pole G, two-way optocoupler U
13 pin crosstalks resistances R
1Meet bidirectional thyristor Q
1Main electrode A
1, two-way optocoupler U
14 pin crosstalks resistances R
3Meet bidirectional thyristor Q
1Main electrode A
2, the live wire of Ac 220V is connected bidirectional thyristor Q simultaneously
1Gate pole A
1, zero line is connected heating pipe R
4Form loop, control bidirectional thyristor Q because of the square wave of the dutycycle of 5 pin outputs of singlechip CPU this moment
1The conducting pin, controlling the heating power of heating pipe, to reach the function of automatic constant-temperature.The temperature that singlechip CPU will gather is simultaneously delivered to display circuit by singlechip CPU pin 8-13, shows real-time temperature, setting temperature and time.On the contrary, while as the user, opening the cold water shelves, cold water flows directly into water storage cavity 2, and current touch switch 7 is normally open at this moment, and zero cross detection circuit produces without square wave, will be without heating signal, and singlechip CPU is not exported the square signal of controlling constant temperature control circuit, heating pipe R
4Stopped heating.The 8-13 pin of singlechip CPU is output drive signal always, shows the temperature of current time, collection and the temperature that the user sets.When if the user pushes button, keyboard control circuit will respond, and 7 pin of signal input this moment singlechip CPU, when singlechip CPU obtains this signal, complete instruction according to user's requirement.
Claims (1)
1. Intelligent fast-heating faucet, mainly comprise be arranged on tap shell with water buffer circuit control gear, flow control valve seat (3), be arranged on the handle (5) on the flow control valve seat, the water storage cavity (2) that is communicated with the flow control valve seat and water intake (1), with water storage cavity (2), be communicated with water tap pipe water outlet (6), characterized by further comprising:
Be located at the temperature display (4) on the flow control valve seat, be arranged on the interior heating pipe of water storage cavity (2) (8), temperature transducer (9) and current touch switch (7) etc.; The position, a hole that is provided with position, three holes flow control valve seat (3) is communicated with water intake (1), position, a hole is communicated with water storage cavity (2), also has position, a hole to be communicated with current touch switchs (7);
Described circuit control device mainly comprises: the signal processing single chip cpu control circuit; leakage protection circuit; temperature display circuit, exchange 220V the power-switching circuit that is converted to the whole circuit control device of direct-current power supply, by temperature transducer R in water storage cavity
10The collecting temperature signal is sent into the temperature collection circuit of signal processing single chip CPU, overtemperature alarm circuit, keyboard control circuit, and heating pipe R in the major control water storage cavity
4Constant temperature control circuit by zero cross detection circuit and two the electric circuit constitutes of change power heating circuit;
Described constant temperature control circuit comprises zero cross detection circuit and becomes power heating circuit two-part; Zero cross detection circuit is mainly by resistance R
5, optocoupler U
2And resistance R
7Form; Circuit between it is connected to: resistance R
5Live wire, another termination optocoupler U of a termination 220V Ac
21 pin; Optocoupler U
22 pin connect the zero line of 220V Ac, optocoupler U
23 pin connect and draw resistance R
7After connect the positive pole of DC electrical source, optocoupler U
23 pin directly connect 4 pin of singlechip CPU, optocoupler U
24 pin connect the negative pole of DC electrical source; Becoming the power heating main circuit will be by heating pipe R
4, current touch switch S
4, relay K
1, resistance R
1, two-way optocoupler U
1, resistance R
2, thyristor Q
1, resistance R
3Form, the circuit between it is connected to: 5 pin of singlechip CPU meet two-way optocoupler U
12 pin, two-way optocoupler U
11 pin connect and draw resistance R
2After connect the positive pole of DC electrical source, two-way optocoupler U
13 pin meet bidirectional thyristor Q
1Gate pole G, two-way optocoupler U
13 pin series resistors R
1After meet bidirectional thyristor Q
1Main electrode A
1, two-way optocoupler U
14 pin series resistors R
3Meet bidirectional thyristor Q
1Main electrode A
2, the live wire water receiving of Ac 220V flows touch switch S simultaneously
4Pass through relay K
1Connect bidirectional thyristor Q
1Gate pole A
1, zero line is connected heating pipe R
4After meet bidirectional thyristor Q
1Main electrode A
2, as current touch switch S
4Form loop when closed;
Described power-switching circuit is mainly by resistance R
13, capacitor C
2, rectifier bridge U
6, voltage-stabiliser tube D
1With filter capacitor C
3Form; Circuit between it is connected to: resistance R
13And capacitor C
2Live wire, another termination rectifier bridge U of a termination 220V power supply after in parallel
61 pin, the zero line of 220V power supply meets rectifier bridge U
63 pin, rectifier bridge U
6Pin 4 and voltage-stabiliser tube D
1Anode joins, rectifier bridge U
62 pin and voltage-stabiliser tube D
1Negative electrode joins, voltage-stabiliser tube D
1Anode and filter capacitor C
3Negative pole this point that joins is the negative pole of DC electrical source, voltage-stabiliser tube D
1Negative electrode and filter capacitor C
3Positive pole this point that joins is the positive source Vcc of DC electrical source, and power-switching circuit exchanges 220V the whole circuit control device of direct-current power supply that is converted to 5V;
Described leakage protection circuit is mainly by resistance R
14, resistance R
15, optocoupler U
7, triode Q
3, relay K
1, diode D
2Form, between it, circuit connecting wire is: by the live wire connecting resistance R of 220V Ac
14, resistance R
14Meet optocoupler U
71 pin, optocoupler U
7The 2 pin ground wire of logical the earth in succession; Optocoupler U
73 pin connecting resistance R
15With triode Q
3Base stage, triode Q
3Emitter succeed electrical equipment K
11 pin and diode D
2Anode, optocoupler U
74 pin be connected after collector electrode connects the negative pole that connects DC electrical source with triode, relay K
12 pin, diode D
2Negative electrode and resistance R
13Connect dc power anode;
Described temperature collection circuit is mainly by resistance R
9, temperature transducer R
10Form, the circuit between it is connected to: be arranged on temperature transducer R in water storage cavity
10The negative pole of a termination DC electrical source, temperature transducer R
10The other end and resistance R
9Connect the positive pole of DC electrical source after serial connection, temperature transducer R
10Output terminal be connected with pin 3 input ends of signal place singlechip CPU;
Described overtemperature alarm main circuit will be by triode Q
2, resistance R
6, buzzer U
4Form triode Q
2Base stage connecting resistance R
6After connect 2 pin of singlechip CPU, triode Q
2Emitter meets buzzer U
4, buzzer U
4Connect the direct current (d.c.) negative pole, triode Q
2Base electrode connects the direct current (d.c.) positive pole;
Described keyboard control circuit is mainly by button S
1, button S
2, button S
3, resistance R
8, resistance R
11, resistance R
12Form, the circuit between it is connected to: button S
1, button S
2, button S
3And connect, and the button S that connects
1With button S
2Between be connected to a resistance R
11, and the button S that connects
2With button S
3Between be connected to a resistance R
12And meet rear button S
1, button S
2, button S
3Negative pole, the other end and the pull-up resistor R of a termination direct current (d.c.)
8Connect the positive pole of direct current (d.c.) after serial connection, 7 pin of another termination signal place singlechip CPU.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101796715A CN102278525B (en) | 2011-06-28 | 2011-06-28 | Intelligent instant-heating faucet |
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|---|---|---|---|
| CN2011101796715A CN102278525B (en) | 2011-06-28 | 2011-06-28 | Intelligent instant-heating faucet |
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| CN102278525B true CN102278525B (en) | 2013-11-20 |
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| CN103256427A (en) * | 2013-05-29 | 2013-08-21 | 苏州昊迪特殊钢有限公司 | Automatic temperature-control electric heating faucet |
| CN103470851B (en) * | 2013-09-06 | 2015-10-28 | 福建省长乐市海洛机电有限公司 | Instant electric water tap |
| CN103791150A (en) * | 2014-02-10 | 2014-05-14 | 王萍 | Medical disinfection automatic temperature control electric heating faucet |
| CN103953787A (en) * | 2014-04-13 | 2014-07-30 | 莆田市清华园电器发展有限公司 | Constant temperature electric heating tap |
| CN105156748A (en) * | 2015-06-30 | 2015-12-16 | 开平市水口镇雄邦卫浴器材厂 | Single-hole basin faucet |
| CN105065769B (en) * | 2015-07-31 | 2017-10-13 | 陈小初 | The temperature control system of water tap heating |
| CN106641328A (en) * | 2015-10-30 | 2017-05-10 | 江苏家装驿站电子商务有限公司 | Novel single-chip microcomputer constant-temperature water-saving faucet |
| CN106641329A (en) * | 2017-02-24 | 2017-05-10 | 厦门建霖工业有限公司 | Water faucet with constant-temperature water outlet state and non-constant-temperature water outlet state and control method of water faucet |
| CN107687538A (en) * | 2017-09-06 | 2018-02-13 | 开平市怀特阀芯有限公司 | Valve element with warning function |
| CN107960857A (en) * | 2017-12-27 | 2018-04-27 | 江苏省锡山中等专业学校 | A kind of electric kettle adjustable temperature control device |
| CN111109811A (en) * | 2020-01-03 | 2020-05-08 | 侯美英 | Novel electric hair drier and temperature control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201420898Y (en) * | 2009-03-26 | 2010-03-10 | 张旭杰 | Cold-and-hot dual-purpose electric tap |
| CN101825189A (en) * | 2010-05-28 | 2010-09-08 | 周剑冰 | Electronic thermostatic water tap device |
| CN202118367U (en) * | 2011-06-28 | 2012-01-18 | 洪晖堂 | Intelligent fast-heating faucet |
-
2011
- 2011-06-28 CN CN2011101796715A patent/CN102278525B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201420898Y (en) * | 2009-03-26 | 2010-03-10 | 张旭杰 | Cold-and-hot dual-purpose electric tap |
| CN101825189A (en) * | 2010-05-28 | 2010-09-08 | 周剑冰 | Electronic thermostatic water tap device |
| CN202118367U (en) * | 2011-06-28 | 2012-01-18 | 洪晖堂 | Intelligent fast-heating faucet |
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| CN102278525A (en) | 2011-12-14 |
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