CN102966765B - Water temperature automatic regulating device and intelligent faucet - Google Patents

Water temperature automatic regulating device and intelligent faucet Download PDF

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Publication number
CN102966765B
CN102966765B CN201210441075.4A CN201210441075A CN102966765B CN 102966765 B CN102966765 B CN 102966765B CN 201210441075 A CN201210441075 A CN 201210441075A CN 102966765 B CN102966765 B CN 102966765B
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China
Prior art keywords
water
motor
automatic regulating
control
water inlet
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CN201210441075.4A
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Chinese (zh)
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CN102966765A (en
Inventor
廖利黎
邓宝宁
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深圳和而泰智能控制股份有限公司
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Publication of CN102966765A publication Critical patent/CN102966765A/en
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Abstract

The invention discloses a water temperature automatic regulating device and an intelligent faucet. The water temperature automatic regulating device comprises a hot water inlet, a cold water inlet, a water outlet, a hot water inlet water valve, a cold water inlet water valve, a first motor, a second motor, an electromagnetic valve and a controller, wherein the first motor is arranged in the position of the hot water inlet and used for controlling the hot water inlet water valve to open and close, the second motor is arranged in the position of the cold water inlet and used for controlling the cold water inlet water valve to open and close, the electromagnetic valve is arranged in the position of the water outlet and used for controlling a water outlet water valve to open and close, and the controller is respectively connected with the first motor, the second motor and the electromagnetic valve and used for regulating the temperature of the water outlet. A water heater provided by the invention is regulated through internal computation of the controller, manual regulation of cold and hot water flow by people is not needed, and intelligent control of the water temperature automatic regulating device over the temperature of outlet water is realized.

Description

Water temperature automatic regulating device and intelligent tap
Technical field
The present invention relates to cold and hot mixed wetting system, particularly relate to a kind of water temperature automatic regulating device and intelligent tap of cold and hot mixed water.
Background technique
Existing water temperature regulation device major part is mechanical type lower water temperature, during use, needs the switch opening hot water or cold water respectively, reaches the water-outlet quantity regulating hot water or cold water gradually, thus adjust the water temperature at the mouth of a river.Mechanical type water temperature regulation device regulates water temperature to get up cumbersome, and does not also have corresponding water temperature Presentation Function, and the water that people can only be flowed out by contact water outlet device judges that whether water temperature is suitable.Sometimes, if the Flow-rate adjustment of hot water is too much when using water temperature regulation device, the danger that hand scald occurs when staff goes to test the water temperature, is easy to.
In addition, water tap is requisite daily necessities during people live, and along with the raising of people's living standard, the pursuit that people live to high-quality is day by day strong.Traditional water tap common mechanical formula, have cold water respectively, hot water, several water tap of hot and cold water, mechanical water faucet structure is comparatively simple, and use and also facilitate, the life-span is long, but function is relatively simple.When using mechanical water faucet adjustment water temperature, after needing repeatedly to regulate cold water water-outlet quantity and hot water effluent's amount, mixed water just can be made to reach the temperature of adaptation.
Summary of the invention
Main purpose of the present invention is to provide a kind of water temperature automatic regulating device and intelligent tap, aims to provide a kind of water temperature automatic regulating device that can be regulated water temperature by controller.
In order to achieve the above object, a kind of water temperature automatic regulating device that the present invention proposes, comprise water inlet of hot water, cold water inlet, water outlet, water inlet of hot water water valve, cold water inlet water valve and water outlet water valve, described water temperature automatic regulating device, also comprises and is located at described water inlet of hot water place and the first motor for controlling water inlet of hot water valve switch; Be located at described cold water inlet place and the second motor for controlling cold water inlet valve switch; Be located at described water outlet and solenoid valve for controlling water outlet valve switch; Be connected with described first motor, the second motor and solenoid valve respectively and controller for adjusting mouth of a river temperature.
Preferably, described controller comprises control chip, and the temperature transducer, flow transducer and the power supply that are connected with described control chip.
Preferably, described temperature transducer and flow transducer are located in described water outlet.
Preferably, described controller also comprises the buzzer be connected with described control chip.
Preferably, described water temperature automatic regulating device also comprises the display board controller for demonstrating mouth of a river state be connected with described control chip.
Preferably, described display board controller comprises display board MCU, the button be connected with this display board MCU and display unit.
Preferably, described controller also comprises control circuit, the first motor control module, the second motor control module and solenoid valve control module that this control circuit comprises power supply, provides the control chip of control signal and be connected with this control chip; Wherein:
The first input end of described first motor control module is connected with first, second pin of described control chip respectively with the second input end, and first, second pin described receives the signal of described control chip respectively to control the forward and reverse of described first motor; The first input end of described second motor control module is connected with the 3rd, the 4th pin of described control chip respectively with the second input end, and described 3rd, the 4th pin receives the signal of described control chip respectively to control the forward and reverse of described second motor; The input end of described solenoid valve control module is connected with the 5th pin of described control chip, and described 5th pin receives the signal of described control chip to control the rotation of described solenoid valve; Described first motor control module, the second motor control module are connected with described power supply respectively with solenoid valve control module.
Preferably, described button is touch key-press.
Preferably, described first motor and the second motor are stepper motor.
The present invention proposes a kind of intelligent tap further, this intelligent tap comprises water temperature automatic regulating device, wherein, water temperature automatic regulating device comprises water inlet of hot water, cold water inlet, water outlet, water inlet of hot water water valve, cold water inlet water valve and water outlet water valve, described water temperature automatic regulating device, also comprises and is located at described water inlet of hot water place and the first motor for controlling water inlet of hot water valve switch; Be located at described cold water inlet place and the second motor for controlling cold water inlet valve switch; Be located at described water outlet and solenoid valve for controlling water outlet valve switch; Be connected with described first motor, the second motor and solenoid valve respectively and controller for adjusting mouth of a river temperature.
The present invention controls the first motor, the second motor and solenoid valve by setting controller, through controller internal calculation, thus the flow of control water inlet of hot water, cold water inlet controls the temperature of water outlet water outlet, and without the flow of people's manual adjustment hot water or cold water, achieve the intelligent control of water temperature automatic regulating device to water-exit temperature.
Accompanying drawing explanation
Fig. 1 is the structural representation of water temperature automatic regulating device of the present invention;
Fig. 2 is the structural representation of water temperature automatic regulating device middle controller of the present invention;
Fig. 3 is the structural representation of control circuit in water temperature automatic regulating device of the present invention;
Fig. 4 is the circuit diagram of the first motor control module in water temperature automatic regulating device of the present invention;
Fig. 5 is the circuit diagram of the second motor control module in water temperature automatic regulating device of the present invention;
Fig. 6 is the circuit diagram of solenoid valve control module in water temperature automatic regulating device of the present invention;
Fig. 7 is the circuit diagram of control chip in water temperature automatic regulating device of the present invention.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Be described further with regard to technological scheme of the present invention below in conjunction with drawings and the specific embodiments.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The present invention proposes a kind of water temperature automatic regulating device.
With reference to the structural representation that Fig. 1, Fig. 1 are water temperature automatic regulating device of the present invention.
In the present embodiment, a kind of water temperature automatic regulating device, comprise water inlet of hot water 10, cold water inlet 20, water outlet 30, water inlet of hot water water valve 41, cold water inlet water valve 42 and water outlet water valve 43, this water temperature automatic regulating device also comprises is located at water inlet of hot water place and the first motor 51 for controlling water inlet of hot water water valve 41 switch; Be located at cold water inlet place and the second motor 52 for controlling cold water inlet water valve 42 switch; Be located at water outlet and solenoid valve 53 for controlling water outlet water valve 43 switch; Be connected with the first motor, the second motor and solenoid valve respectively and controller 60 for adjusting mouth of a river temperature.Particularly, water outlet also can be connected with gondola water faucet and can be used on shower set, for being derived by mixed for hot water or cold water water.
Input a target temperature in controller after, in controller, control chip is according to the temperature of hot water in the temperature of cold water in cold water inlet, flow and water inlet of hot water, flow and target temperature, calculate cold water inlet and flow out the flow of cold water and the flow of water inlet of hot water outflow hot water, then regulate the size of water inlet of hot water valve switch, the size of cold water inlet valve switch respectively by positive and negative the transferring of adjustment first motor, the second motor, reach the object regulating cold water inlet flow and water inlet of hot water flow.
Wherein, the temperature adjusting the mouth of a river with cold water and hot water mixing make use of principle of conservation of energy, and namely after hot and cold water mixing, the heat that cold water partially absorbs equals hot water section's liberated heat.
Setting water outlet water temperature is t, in cold water inlet, cold water temperature is t1, in water inlet of hot water, hot water temperature is t0, cold water flow M in cold water inlet, in water inlet of hot water, hot water flow is m, C is that specific heat of water holds, and Q inhales (cold water) heat for absorbing when cold water part mixes, Q is put (hot water) is liberated heat when hot water section mixes, then they meet following relation:
Q inhales (cold water)=Q to be put (hot water);
CM(t - t1)= Cm(t0 - t)。
When using this water temperature automatic regulating device, first set a target temperature, namely outlet temperature is that t is known, and cold water temperature is t1, and in water inlet of hot water, hot water temperature is that t0 is also known, and the flow of the water outlet of setting water outlet, then now M+m sum is also known.Now, control the running of the first motor and the second motor through the computing of controller with above formula, thus control cold water flow M, hot water flow m in water inlet of hot water in cold water inlet.
Such as, when user expects that flow is 5 L/MIN, when temperature is the water of 44 degree, now, assuming that hydraulic pressure is certain, the temperature of cold water is 20 degree, and the temperature of hot water is 60 degree, then water valve is by the flow control of hot water at 3L/MIN, and the flow control of cold water is at 2 L/MIN.Assuming that user expects that temperature is the water of 30 degree, water valve is by the flow control of hot water at 1.25 L/MIN, and the flow control of cold water is at 3.75 L/MIN.Now, user presses the electromagnetic water valve of water outlet, and opened by solenoid valve after user presses beginning switch, water tap just there are flowing out.
The first motor, the second motor and solenoid valve is controlled by setting controller, through controller internal arithmetic, control water inlet of hot water, cold water inlet flow to control the temperature of water outlet water outlet, and without the flow of people's manual adjustment hot water or cold water, achieve the intelligent control of water temperature automatic regulating device to water-exit temperature.
With reference to the structural representation that Fig. 2, Fig. 2 are water temperature automatic regulating device middle controller of the present invention.
In the above-described embodiments, controller comprises control chip, and controller also comprises the temperature transducer, flow transducer and the power supply that are connected with control chip.Temperature transducer and flow transducer are located in water outlet.Generally, after user sets water outlet water temperature, because the flow of hot water outlet and the flow of cold water water outlet progressively regulate, during mixing, also need the regular hour, therefore through after a period of time, just to can reach the water outlet water temperature of setting from the water that water outlet flows out.In addition, preferably, the first motor and the second motor are stepper motor.
By setting temperature sensor and flow transducer, the temperature of water outlet and flow are shown in real time, Real-Time Monitoring in real time to the outlet temperature of this water temperature automatic regulating device, simultaneously, also user can be made to see that outlet temperature arrives the process of setting temperature gradually, make user better understand the working state of water temperature automatic regulating device.
In the above-described embodiments, controller can also arrange buzzer, this buzzer is connected with control chip.By arranging buzzer, when water temperature automatic regulating device is in operation irregularity state, buzzer can be reported to the police, and the circuit working of this water temperature automatic regulating device of reminding user is abnormal, makes the more reliable performance of water temperature automatic regulating device.
In the above-described embodiments, water temperature automatic regulating device also comprises the display board controller for demonstrating inlet water stream state be connected with control chip.Wherein, display board controller comprises display board MCU, and the button be connected with this display board MCU and display unit.Preferably, button display panel, owing to considering the cause of waterproof, employs touch key-press, like this, makes whole button display panel can be sealed in the housings of glass or plastics, thus eliminates the moist impact on keypad.
When user uses this water temperature automatic regulating device, after first setting outlet temperature and flow, the temperature and the flow that flow out water from water outlet is shown again in real time by the display unit in this display board controller, user can recognize the information of water outlet more accurately, as whether water temperature reaches setting temperature, whether controller damages does not work.Such as, after user sets outlet temperature 40 degree, find that the water temperature of 40 degree is too high, now, suitably reduce water temperature by the touch key-press be connected with this display board MCU, make the temperature that outlet temperature reaches suitable.
By set and display plate controller, the outlet temperature of this water temperature automatic regulating device can be shown intuitively, facilitate user to understand the flow information of water of water outlet, meanwhile, can the temperature of adjusting water outlet in real time by the touch key-press that is connected with this display board MCU.
With reference to the structural representation that Fig. 3 and Fig. 7, Fig. 3 are control circuit in water temperature automatic regulating device of the present invention, Fig. 7 is the circuit diagram of control chip in water temperature automatic regulating device of the present invention.
In the above-described embodiments, controller also comprises control circuit, the first motor control module 81, second motor control module 82 and solenoid valve control module 83 that this control circuit comprises power supply, provides the control chip 70 of control signal and be connected with this control chip; Wherein:
The first input end of the first motor control module 81 is connected with first, second pin of control chip 70 respectively with the second input end, and the signal that first, second pin receives control chip 70 respectively controls the forward and reverse of the first motor; The first input end of the second motor control module 82 is connected with the 3rd, the 4th pin of control chip 70 respectively with the second input end, and the signal that the 3rd, the 4th pin receives control chip 70 respectively controls the forward and reverse of the second motor; The input end of solenoid valve control module 83 is connected with the 5th pin of control chip 70, and the signal of the 5th pin reception control chip 70 carrys out the rotation of Controlling solenoid valve; First motor control module 81, second motor control module 82 is connected with power supply respectively with solenoid valve control module 83.
Operationally, each pin output signal of control chip 70, controls the work of the first motor control module 81, second motor control module 82 and solenoid valve control module 83 to this control circuit respectively.Particularly, when increasing hot water flow in water inlet of hot water, the first motor will rotate forward, and now, when exporting high level by the first pin of control circuit, the first motor rotates forward, and the water valve of the first motor control is opened larger, increases the flow of water inlet of hot water.When reducing hot water flow in water inlet of hot water, the first motor will reverse, and now, exports high level by the second pin of control circuit, and the first motor reversion, makes the water valve of the first motor control open smaller, reduce the flow of water inlet of hot water.
Separately the first motor, the second motor and solenoid valve are rotated control by arranging the first motor control module 81, second motor control module 82 and solenoid valve control module 83, make this water temperature automatic regulating device achieve the flow of Intelligent adjustment hot water, cold water inlet and water outlet, thus achieve the Intelligent adjustment of the water temperature to water outlet.
With reference to the circuit diagram that Fig. 4 and Fig. 7, Fig. 4 are the first motor control module in water temperature automatic regulating device of the present invention, Fig. 7 is the circuit diagram of control chip in water temperature automatic regulating device of the present invention.
Particularly, first motor control module 81 comprises the first resistance R7, the second resistance R5, the first triode TR1, the first variable resistor RV1, the first thyristor SCR1, the first electric capacity C9,3rd resistance R21, the 4th resistance R16, the second triode TR2, the second adjustable resistance RV2, the second thyristor SCR2, the second electric capacity C14 and the first motor, wherein:
First resistance R7 one end is the first input end of the first motor control module 81, and it is connected with the first pin of control chip 70, and the other end is connected with the base stage of the first triode TR1; The grounded-emitter connection of the first triode TR1, collector electrode is connected through the gate of the second resistance with the first thyristor SCR1; The anode of the first thyristor SCR1 is connected with the first end of the first motor, and negative electrode is connected with the positive pole of power supply; One end of first electric capacity C9 is connected with the node between the gate of the first thyristor SCR1 and the second resistance, and the other end is connected with the positive pole of power supply; One end of first variable resistor RV1 is connected with the anode of the first thyristor SCR1, and the other end is connected with the positive pole of power supply; Second end of the first motor is connected with the negative pole of power supply; 3rd resistance R21 one end is the second input end of the first motor control module 81, and it is connected with the second pin of control chip 70, and the other end is connected with the base stage of the second triode TR2; The grounded-emitter connection of the second triode TR2, collector electrode is connected with the gate of the second thyristor SCR2 through the 4th resistance R16; The anode of the second thyristor SCR2 and the three-terminal link of the first motor, negative electrode is connected with the positive pole of power supply; One end of second electric capacity C14 is connected with the node between the gate of the second thyristor SCR2 and the 4th resistance R16, and the other end is connected with the positive pole of power supply; One end of the second adjustable resistance RV2 is connected with the anode of the second thyristor SCR2, and the other end is connected with the positive pole of power supply; 4th end of the first motor is connected with the negative pole of power supply.
When first motor control module 81 works, when user expects that flow is 5 L/MIN, temperature is the water of 44 degree, assuming that hydraulic pressure is certain, the temperature of cold water is 20 degree, and the temperature of hot water is 60 degree, and motor rotates forward water flow increases, and motor reversion current reduce.Now, the target flow calculating hot water outlet is 3L/MIN.Control chip 70 first detects the water flow of the water inlet of hot water of current first motor control, if do not reach 3L/MIN, then the first input end of control chip 70 exports as 5V(high level), now, the first triode TR1 conducting, first thyristor SCR1 conducting, after the first motor rotating forward two ends add the voltage of 24V, the first motor rotates forward, and hot water flow is strengthened, whether the flow that control chip 70 detects hot water again reaches desired value 3L/MIN, after reaching, output signal 0(low level).Now, the first triode TR1 ends, and the first thyristor SCR1 ends, and the first motor stops rotating forward.Now, water inlet of hot water valve switch size remains unchanged, thus makes the flow of hot water remain on 3L/MIN.
With reference to the circuit diagram that Fig. 5 and Fig. 7, Fig. 5 are the second motor control module in water temperature automatic regulating device of the present invention, Fig. 7 is the circuit diagram of control chip in water temperature automatic regulating device of the present invention.
Particularly, second motor control module 82 comprises the 5th resistance R27, the 6th resistance R23, the 3rd triode TR3, the 3rd variable resistor RV3, the 3rd thyristor SCR3, the 3rd electric capacity C18,7th resistance R33, the 8th resistance R30, the 4th triode TR4, the 4th variable resistor RV4, the 4th thyristor SCR4, the 4th electric capacity C21 and the second motor, wherein:
5th resistance one end is the first input end of the second motor control module 82, and it is connected with the 3rd pin of control chip 70, and the other end is connected with the base stage of the 3rd triode TR3; The grounded-emitter connection of the 3rd triode TR3, collector electrode is connected with the gate of the 3rd thyristor SCR3 through the 6th resistance R23; The anode of the 3rd thyristor SCR3 is connected with the first end of the second motor, and negative electrode is connected with the positive pole of power supply; One end of 3rd electric capacity C18 is connected with the node between the gate of the 3rd thyristor SCR3 and the 6th resistance R23, and the other end is connected with the positive pole of power supply; One end of 3rd variable resistor RV3 is connected with the anode of the 3rd thyristor SCR3, and the other end is connected with the positive pole of power supply; Second end of the second motor is connected with the negative pole of power supply; 7th resistance R33 one end is the second input end of the second motor control module 82, and it is connected with the 4th pin of control chip 70, and the other end is connected with the base stage of the 4th triode TR4; The grounded-emitter connection of the 4th triode TR4, collector electrode is connected with the gate of the 4th thyristor SCR4 through the 8th resistance R30; The anode of the 4th thyristor SCR4 and the three-terminal link of the second motor, negative electrode is connected with the positive pole of power supply; One end of 4th electric capacity C21 is connected with the node between the gate of the 4th thyristor SCR4 and the 8th resistance R30, and the other end is connected with the positive pole of power supply; One end of 4th variable resistor RV4 is connected with the anode of the 4th thyristor SCR4, and the other end is connected with the positive pole of power supply; 4th end of the second motor is connected with the negative pole of power supply.
During work, the flow of the cold water inlet of hypothetical target is 2 L/MIN, control chip 70 detects at present by the cold water inlet flow of the second motor control, if cold water inlet flows exceed 2L/MIN, then the 4th pin of control chip 70 exports as 5V(high level), the 4th triode TR4 is made to keep on state, now the 4th thyristor SCR4 conducting, second motor two ends add 24V, make the second motor reversion, now, water flow reduces, control chip 70 detects water flow again and whether reaches desired value 2L/MIN, 4th pin output signal 0(low level after reaching), 4th triode TR4 is ended, 4th thyristor SCR4 also ends, now, second motor stops reversion, cold water inlet flow is made to remain on 2L/MIN.
With reference to the circuit diagram that Fig. 6 and Fig. 7, Fig. 6 are solenoid valve control module in water temperature automatic regulating device of the present invention, Fig. 7 is the circuit diagram of control chip in water temperature automatic regulating device of the present invention.
Particularly, solenoid valve control module 83 comprises the 9th resistance R40, the tenth resistance R37, the 5th triode TR5, the 5th variable resistor RV5, the 5th thyristor SCR5, the 5th electric capacity C31 and solenoid valve; Wherein:
9th resistance R40 one end is the input end of solenoid valve control module 83, and it is connected with the 5th pin of control chip 70, and the other end is connected with the base stage of the 5th triode TR5; The grounded-emitter connection of the 5th triode TR5, collector electrode is connected with the gate of the 5th thyristor SCR5 through the tenth resistance R37; The anode of the 5th thyristor SCR5 is connected with the first end of solenoid valve, and negative electrode is connected with the positive pole of power supply; One end of 5th electric capacity C31 is connected with the node between the gate of the 5th thyristor SCR5 and the tenth resistance R37, and the other end is connected with the positive pole of power supply; One end of 5th variable resistor RV5 is connected with the anode of the 5th thyristor SCR5, and the other end is connected with the positive pole of power supply; Second end of solenoid valve is connected with the negative pole of power supply.
After user presses the switch starting water outlet, 5th pin of control chip 70 exports 5V (high level), make the 5th triode TR5 conducting, 5th thyristor SCR5 conducting, now, solenoid valves, outlet valve will be opened, like this, this water temperature automatic regulating device just there are flowing out.
The present invention also proposes a kind of intelligent tap further.
In the present embodiment, intelligent tap comprises water temperature automatic regulating device, and the concrete structure of this water temperature automatic regulating device, with reference to above-described embodiment, does not repeat them here.
The first motor, the second motor and solenoid valve is controlled by setting controller, through controller internal calculation, the flow of control water inlet of hot water, cold water inlet controls the temperature of water outlet water outlet, and without the flow of people's manual adjustment hot water or cold water, achieve the intelligent control of intelligent tap to water-exit temperature.
The foregoing is only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure transformation utilizing specification of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.

Claims (7)

1. a water temperature automatic regulating device, comprise water inlet of hot water, cold water inlet, water outlet, water inlet of hot water water valve, cold water inlet water valve and water outlet water valve, it is characterized in that, also comprise and be located at described water inlet of hot water place and the first motor for controlling water inlet of hot water valve switch; Be located at described cold water inlet place and the second motor for controlling cold water inlet valve switch; Be located at described water outlet and solenoid valve for controlling water outlet valve switch; Be connected with described first motor, the second motor and solenoid valve respectively and controller for adjusting mouth of a river temperature;
Described controller comprises control circuit, the first motor control module, the second motor control module and solenoid valve control module that this control circuit comprises power supply, provides the control chip of control signal and be connected with this control chip; Wherein:
The first input end of described first motor control module is connected with first, second pin of described control chip respectively with the second input end, and first, second pin described receives the signal of described control chip respectively to control the forward and reverse of described first motor; The first input end of described second motor control module is connected with the 3rd, the 4th pin of described control chip respectively with the second input end, and described 3rd, the 4th pin receives the signal of described control chip respectively to control the forward and reverse of described second motor; The input end of described solenoid valve control module is connected with the 5th pin of described control chip, and described 5th pin receives the signal of described control chip to control the rotation of described solenoid valve; Described first motor control module, the second motor control module are connected with described power supply respectively with solenoid valve control module;
Described controller also comprises the temperature transducer, flow transducer and the power supply that are connected with described control chip; Described controller also comprises the buzzer be connected with described control chip.
2. water temperature automatic regulating device as claimed in claim 1, it is characterized in that, described temperature transducer and flow transducer are located in described water outlet.
3. water temperature automatic regulating device as claimed in claim 1, it is characterized in that, described water temperature automatic regulating device also comprises the display board controller for demonstrating mouth of a river state be connected with described control chip.
4. water temperature automatic regulating device as claimed in claim 3, it is characterized in that, described display board controller comprises display board MCU, the button be connected with this display board MCU and display unit.
5. water temperature automatic regulating device as claimed in claim 4, it is characterized in that, described button is touch key-press.
6. as the water temperature automatic regulating device in claim 1 to 5 as described in any one, it is characterized in that, described first motor and the second motor are stepper motor.
7. an intelligent tap, is characterized in that, comprises as the water temperature automatic regulating device in claim 1 to 6 as described in any one.
CN201210441075.4A 2012-11-07 2012-11-07 Water temperature automatic regulating device and intelligent faucet CN102966765B (en)

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CN202118367U (en) * 2011-06-28 2012-01-18 洪晖堂 Intelligent fast-heating faucet
CN202195152U (en) * 2011-08-02 2012-04-18 邓深远 Constant temperature device for electric water heater
CN102563128B (en) * 2012-02-20 2013-09-25 朱祥桢 Intelligent constant-temperature water mixing device

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