CN101699192B

CN101699192B - Solar automatic temperature-control water-supply protector

Info

Publication number: CN101699192B
Application number: CN2009102293877A
Authority: CN
Inventors: 孙立阳
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-10-30
Filing date: 2009-10-30
Publication date: 2011-07-06
Anticipated expiration: 2029-10-30
Also published as: CN101699192A

Abstract

The invention discloses a solar automatic temperature-control water-supply protector which has the structure in which a water-level monitoring circuit is connected with a water-level identification circuit; the water-level identification circuit is respectively connected with a water-level display circuit, a water-supply control circuit and a water-supply indication failure alarm circuit; the water-supply control circuit is connected with a water-supply prompt sampling circuit; an oscillating circuit is connected with a temperature-area display sampling circuit and the water-supply prompt sampling circuit; the water-supply prompt sampling circuit is connected with the water-supply indication failure alarm circuit; the temperature-area display sampling circuit is connected with a temperature-area display circuit; a water-temperature monitoring signal amplifying circuit is respectively connected with the temperature-area display sampling circuit and a water-temperature control and presetting circuit; the water-temperature control and presetting circuit controls a normally-closed cold-water electromagnetic valve, a normally-open hot-water electromagnetic valve and a normally-open reverse electromagnetic valve; and the water-supply control circuit controls the normally-closed cold-water electromagnetic valve. The solar automatic temperature-control water-supply protector has the characteristics of automatic temperature control, elimination of water temperature change, automatic water supply, forced water supply, boil and scald prevention, and water level display.

Description

A kind of solar automatic temperature-control, moisturizing, protective device

Technical field

The invention belongs to electronic technology field, especially relate to a kind of solar automatic temperature-control, moisturizing, protective device.

Background technology

Solar energy is widely used as clean reproducible energy, the solar water shower has been come into huge numbers of families at present, but brought inconvenience to the user owing to lack Based Intelligent Control, mainly there is following problem: 1, owing to be that manually-operated gate is the solar energy moisturizing, the user causes the empty burning of solar energy through regular meeting because of forgetting moisturizing, also closes a large amount of spilling water waste water resources that the moisturizing valve causes solar energy because of having forgotten sometimes; 2, show that because of no water level the user does not know institute's remaining water in the solar energy, tends to cause in bathing and cuts off the water supply.Perhaps the blindness moisturizing causes the waste of thermal water resource; 3, adjust to suitable water temperature and bother very much because of manually mixing water valve, and the water temperature that mixes up closing when opening outlet valve, hydraulic pressure changes or controlling water yield big or small, water temperature all can change thereupon.

Summary of the invention

The objective of the invention is to improve the deficiency of prior art and a kind of automatic constant-temperature is provided, has eliminated phenomenon that water temperature changes, automatic water supplement, pressure moisturizing, anti-ly swash solar automatic temperature-control, moisturizing, protective device anti-scald, that water level shows.

The object of the present invention is achieved like this; a kind of solar automatic temperature-control; moisturizing; protective device; form by electronic circuit; be characterized in that electronic circuit is that the water level monitoring circuit is connected with the water level identification circuit; the water level identification circuit respectively with water level display circuit; the moisturizing control circuit is connected with moisturizing indication fault warning circuit; the moisturizing control circuit is connected with moisturizing prompting sample circuit; oscillating circuit connects warm area and shows sample circuit; moisturizing prompting sample circuit; moisturizing prompting sample circuit connects moisturizing indication fault warning circuit; warm area shows that sample circuit connects the warm area display circuit; the water temperature detection signal amplification circuit shows sample circuit with warm area respectively; water temperature control is connected with preinstalled circuit; water temperature control and preinstalled circuit are controlled normally closed cold water magnetic valve; often open the hot water electromagnetic valve and often drive reverse magnetic valve, the moisturizing control circuit is controlled normally closed cold water magnetic valve.

Described water level monitoring circuit is resistance R a1, Ra2, Ra3 series connection, the end of resistance R a1 water receiving position is respectively visited the Jt1 pin of some group Jt and 1 pin of joint J2a, the intersection point of resistance R a1 and Ra2 connects the Jt2 pin of Jt, the intersection point of resistance R a2 and Ra3 connects the Jt3 pin of Jt, the Jt4 pin of another termination Jt of resistance R a3; Resistance R a4, Ra5, Ra6 series connection, the end of resistance R a4 is received the Jt5 pin of Jt and 2 pin of joint J2a respectively, and the intersection point of resistance R a4 and Ra5 connects the Jt6 pin of Jt, and the intersection point of resistance R a5 and Ra6 connects the Jt7 pin of Jt, the Jt8 pin of another termination Jt of resistance R a6, the Jt9 pin of Jt connects 3 pin of J2a.

Described water level identification circuit is a resistance R 1, R2, R3, R4, the R5 series connection, one termination power VCC of resistance R 1, the intersection point of resistance R 1 and R2, the intersection point of R2 and R3, the intersection point of R3 and R4, the intersection point of R4 and R5 is connected on 2 pin of operational amplifier U1 respectively, 6 pin, 9 pin, 13 pin, the other end ground connection of

resistance R

5,3 of operational amplifier U1,5,10,12 pin link together 1 pin of joint J2 and an end of resistance R 6, the other end ground connection of

resistance R

6,1 pin of capacitor C 7 positive pole joint J2, minus earth, the end of the 1 pin connecting resistance R13 of operational amplifier U1, the base stage of another termination triode Q1 of resistance R 13, the colelctor electrode of triode Q1 meets VCC, emitter stage connecting resistance R14 one end, 8 pin of another edge joint J3 of resistance R 14, another road of 1 pin of operational amplifier U1 connects resistance R 31 1 ends in the moisturizing control circuit, 7 pin of operational amplifier U1 connect 7 pin of series resistor R15 joint J3,6 pin of 8 pin series resistor R16 joint J3,5 pin of 14 pin series resistor R17 joint J3,4 pin meet power supply VCC, 11 pin ground connection; Resistance R 7, R8, R9, R10, the R11 series connection, the termination power VCC of R7, the intersection point of resistance R 7 and R8, the intersection point of R8 and R9, the intersection point of R9 and R10, the intersection point of R10 and R11 connects 2 pin of operational amplifier U2 respectively, 6 pin, 9 pin, 13 pin, the other end ground connection of

resistance R

11,3 of operational amplifier U2,5,10, link together 2 pin of joint J2 of 12 pin, resistance R 12 is connected on 2 pin of joint J2 between the ground, 2 pin of capacitor C 8 positive pole joint J2, minus earth, 4 pin of the 1 pin serial connection R18 joint J3 of operational amplifier U2,3 pin of 7 pin series resistor R19 joint J3,2 pin of 8 pin series resistor R20 joint J3,14 pin series resistor R22 connect 2 pin of integrated circuit U4 in the moisturizing control circuit, the 14 pin series resistor R21 of operational amplifier U2 connect the base stage of triode Q2, the colelctor electrode of triode Q2 meets power supply VCC, 1 pin of emitter stage series resistor R23 joint J3, the emitter stage of triode Q2 connects resistance R 24 1 ends in the moisturizing indication fault warning circuit, 4 pin of operational amplifier U2 meet power supply VCC, 11 pin ground connection.

Described water level display circuit is 1-8 pin respectively sending and receiving optical diode LED-8, LED-7, LED-6, LED-5, LED-4, LED-3, LED-2, the LED-1 positive pole of joint J3, be connected together 1 pin of the joint J4 in the warm area display circuit of the negative pole of LED-1～LED-8.

Described moisturizing control circuit is the 3 pin connecting resistance R30 of integrated circuit U4 and the end that resistance R 43 in the sample circuit is pointed out in moisturizing, the base stage of another termination triode Q3 of resistance R 30, the grounded emitter of triode Q3, collector series connection diode D6 meets power supply VCC, 5 pin of the collector connecting relay K1 of triode Q3,6 pin of relay K 1 meet power supply VCC, 1 of

relay K

1,2 pin meet diode D11, the intersection point of D12 negative pole, 3 pin of 4 pin joint J5,12 pin of resistance R 22 and serial connection capacitor C 4 ground connection and joint J4 in the 2 pin water receiving position identification circuits of integrated circuit U4,1 pin of operational amplifier U1 in 6 pin serial connection capacitor C 5 ground connection and the series resistor R31 water receiving position identification circuit, 5 pin serial connection capacitor C, 3 ground connection, 4 pin serial connection capacitor C 6 plus earths and series resistor R32 meet power supply VCC, and 8 pin meet power supply VCC, 1 pin ground connection.

The emitter stage of triode Q2 in the base stage series resistor R24 water receiving position identification circuit that described moisturizing indication fault warning circuit is triode Q4,10 pin and series resistor R25 that triode Q4 colelctor electrode meets operational amplifier U5 meet power supply VCC, collector series connection capacitor C 9 ground connection, grounded emitter, the 9 pin series resistor R26 of operational amplifier U5 connect power supply VCC and series resistor R27 ground connection, 8 pin series resistor R28 connect triode Q5 base stage, the grounded emitter of triode Q5,7 pin of 6 pin of colelctor electrode joint J4 and serial connection R46 joint J4, the 8 pin series resistor R29 of operational amplifier U5 connect triode Q6 base stage, triode Q6 grounded emitter, colelctor electrode connects the base stage of triode Q3 in the moisturizing control circuit.

14 pin that described moisturizing prompting sample circuit is operational amplifier U5 connect resistance R 60 1 ends in the moisturizing indication fault warning circuit, 12 pin series resistor R45 ground connection, 12 pin series resistor R43 connect 3 pin of integrated circuit U4 in the moisturizing control circuit, and 13 pin series resistor R42 connect 14 pin of operational amplifier U6 in the oscillating circuit.

Described oscillating circuit is that the 12 pin series resistor R54 of operational amplifier U6 meet power supply VCC and series resistor R55 ground connection and series resistor R58 and connect 14 pin, 13 pin serial connection R56 meets power supply VCC and serial connection capacitor C 10 ground connection and series resistor R57, diode D10 and connects 14 pin, 14 pin connect the base stage that resistance R 42 in the moisturizing prompting sample circuit and series resistor R59 meet triode Q9, triode Q9 grounded emitter, 5 pin of colelctor electrode joint J4.

Described warm area shows that sample circuit is 1 pin of operational amplifier U5 in the resistance R 50 water receiving temperature monitor signal amplifying circuits, another pin of resistance R 50 connects the base stage of triode Q8, triode Q8 colelctor electrode meets power supply VCC, emitter stage connects 3 pin of operational amplifier U6,5 pin, 10 pin and series resistor R51 ground connection, 2 pin of operational amplifier U6 connect 3 pin of swept resistance W3,2 pin of swept resistance W3 meet power supply VCC, 1 pin ground connection, 4 pin of operational amplifier U6 meet power supply VCC, 11 pin ground connection, 1 pin serial connection diode D8,2 pin of resistance R 47 joint J4,6 pin connect 3 pin of swept resistance W4,2 pin of swept resistance W4 meet power supply VCC, 1 pin ground connection, the 7 pin serial connection diode D9 of operational amplifier U6,3 pin of resistance R 48 joint J4,9 pin series resistor R52 connect power supply VCC and series resistor R53 ground connection, 4 pin of 8 pin series resistor R49 joint J4.

Described warm area display circuit is that 2,3,4 pin of joint J4 connect LED-10, LED-11, LED-12 positive pole respectively, be connected together 5 pin of joint J4 of the negative pole of LED-10, LED-11, LED-12.

Described water temperature detection signal amplification circuit is resistance R 33 and R34 series connection, another pin of resistance R 33 meets power supply VCC, another pin ground connection of resistance R 34, the intersection point connecting resistance R37 of resistance R 33 and R34, another pin of resistance R 37 connects 3 pin of operational amplifier U5, resistance R 35, temperature sensor RT, swept resistance W1 series connection, another pin of resistance R 35 meets power supply VCC, the 2 pin ground connection of swept resistance W1, the intersection point connecting resistance R36 of resistance R 35 and temperature sensor RT, another pin of resistance R 36 connects 2 pin of operational amplifier U5, the intersection point of temperature sensor RT and swept resistance W1 connects 3 pin of W1, the 2 pin ground connection of W1,1 pin of operational amplifier U5 connects 2 pin of swept resistance W5, resistance R 50 in the warm area demonstration sample circuit and the resistance R 39 in water temperature control and the preinstalled circuit, 1 of swept resistance W5,3 pin connect 2 pin of operational amplifier U5, and 4 pin meet power supply VCC, 11 pin ground connection.

Described water temperature control and preinstalled circuit are 1 pin of the operational amplifier U5 in the resistance R 39 water receiving temperature monitor signal amplifying circuits, another pin of resistance R 39 connects 5 pin of operational amplifier U5, resistance R 40 1 termination power VCC, another pin connects 1 pin of swept resistance W2,11 pin of the 1 pin joint J4 of swept resistance W2,6 pin of operational amplifier U5 connect 3 pin of swept resistance W2,3 pin of W2 connect 10 pin of J4, resistance R 38 1 pin ground connection, another pin connects 2 pin of swept resistance W2,9 pin of the 2 pin joint J4 of swept resistance W2, the 7 pin series resistor R41 of operational amplifier U5 connect the base stage that triode Q3 base stage in the moisturizing control circuit and series resistor R44 meet triode Q7, the grounded emitter of triode Q7, collector series connection diode D7 meets power supply VCC and succeeds 5 pin of electrical equipment K2,6 pin of relay K 2 connect power supply VCC, 1,2 pin meet diode D12, the negative pole of D11,4 pin of 4 pin joint J5.

The present invention compares in prior art has following distinguishing feature and good effect: the present invention adopts the water level monitoring circuit to be connected with the water level identification circuit, the water level identification circuit respectively with water level display circuit, the moisturizing control circuit is connected with moisturizing indication fault warning circuit, the moisturizing control circuit is connected with moisturizing prompting sample circuit, oscillating circuit connects warm area and shows sample circuit, moisturizing prompting sample circuit, moisturizing prompting sample circuit connects moisturizing indication fault warning circuit, warm area shows that sample circuit connects the warm area display circuit, the water temperature detection signal amplification circuit shows sample circuit with warm area respectively, water temperature control is connected with preinstalled circuit, water temperature control and preinstalled circuit are controlled normally closed cold water magnetic valve, often open the hot water electromagnetic valve and often drive reverse magnetic valve, the moisturizing control circuit is controlled normally closed cold water magnetic valve.

The water level monitoring circuit is connected to the water level identification circuit with water level signal, identify current water level, show, show very directly perceived by display, the moisturizing control circuit is got the upper and lower limit water level signal from the water level identification circuit, determine moisturizing by the lower limit water level signal, the moisturizing of upper limit water level signal is finished, and moisturizing in time, accurately, moisturizing indication fault warning circuit comes off or after running water pipe cuts off the water at water-level probe, during for the solar energy moisturizing, alarm signal will occur, promptly go up water indicator lamp Chang Liang.While buzzer Chang Ming; can effectively prevent to cause spilling water because of the unexpected disconnection of level sensor; when if cold water pipe is cut off the water supply; also can control water section quits work; prevented to cause the empty phenomenon of beating because of lack of water; water temperature detection signal amplification circuit and water temperature control and preinstalled circuit are the signals of sending here by cooling-water temperature sensor; amplify through operational amplifier; again amplifying signal is delivered to the comparator in water temperature control and the preinstalled circuit; comparator compares signal and the reference signal of sending here; judge whether to send control signal; this part is the core of temperature control; thermometric is accurate; control rate is fast; by adjusting reference signal; can change the water temperature of output; can be flexible during bathing adjust suitable stable water temperature; and can play excess temperature; owe the protective effect of temperature; warm area demonstration sample circuit can be determined current water temperature zone by water temperature signal; control warm area display circuit is lighted corresponding warm area indicator lamp; the user can judge the water temperature that whether has reached required easily according to indication.

Description of drawings

Below in conjunction with drawings and Examples the present invention is described in further detail.

Fig. 1 is a circuit theory schematic diagram of the present invention.

Fig. 2 is a kind of electronic-circuit diagram of the present invention.

The specific embodiment

Embodiment, a kind of solar automatic temperature-control, moisturizing, protective device, form by electronic circuit, electronic circuit is that water level monitoring circuit 1 is connected with water level identification circuit 2, water level identification circuit 2 respectively with water level display circuit 3, moisturizing control circuit 4 is connected with moisturizing indication fault warning circuit 5, moisturizing control circuit 4 is connected with moisturizing prompting sample circuit 6, oscillating circuit 7 connects warm area and shows sample circuit 8, moisturizing prompting sample circuit 6, moisturizing prompting sample circuit 6 connects moisturizing indication fault warning circuit 5, warm area shows that sample circuit 8 connects warm area display circuit 9, water temperature detection signal amplification circuit 10 shows sample circuit 8 with warm area respectively, water temperature control is connected with preinstalled circuit 11, water temperature control and the normally closed cold water magnetic valve of preinstalled circuit 11 controls, often open the hot water electromagnetic valve and often drive reverse magnetic valve, the normally closed cold water magnetic valve of moisturizing control circuit 4 controls;

Water level monitoring circuit 1 is resistance R a1, Ra2, Ra3 series connection, the end of resistance R a1 water receiving position is respectively visited the Jt1 pin of some group Jt and 1 pin of joint J2a, the intersection point of resistance R a1 and Ra2 connects the Jt2 pin of Jt, and the intersection point of resistance R a2 and Ra3 connects the Jt3 pin of Jt, the Jt4 pin of another termination Jt of resistance R a3; Resistance R a4, Ra5, Ra6 series connection, the end of resistance R a4 is received the Jt5 pin of Jt and 2 pin of joint J2a respectively, and the intersection point of resistance R a4 and Ra5 connects the Jt6 pin of Jt, and the intersection point of resistance R a5 and Ra6 connects the Jt7 pin of Jt, the Jt8 pin of another termination Jt of resistance R a6, the Jt9 pin of Jt connects 3 pin of J2a;

Water level identification circuit 2 is resistance R 1, R2, R3, R4, the R5 series connection, one termination power VCC of resistance R 1, the intersection point of resistance R 1 and R2, the intersection point of R2 and R3, the intersection point of R3 and R4, the intersection point of R4 and R5 is connected on 2 pin of operational amplifier U1 respectively, 6 pin, 9 pin, 13 pin, the other end ground connection of

resistance R

6,1 pin of capacitor C 7 positive pole joint J2, minus earth, the end of the 1 pin connecting resistance R13 of operational amplifier U1, the base stage of another termination triode Q1 of resistance R 13, the colelctor electrode of triode Q1 meets VCC, emitter stage connecting resistance R14 one end, 8 pin of another edge joint J3 of resistance R 14, another road of 1 pin of operational amplifier U1 connects resistance R 31 1 ends in the moisturizing

control circuit

4,7 pin of operational amplifier U1 connect 7 pin of series resistor R15 joint J3,6 pin of 8 pin series resistor R16 joint J3,5 pin of 14 pin series resistor R17 joint J3,4 pin meet power supply VCC, 11 pin ground connection; Resistance R 7, R8, R9, R10, the R11 series connection, the termination power VCC of R7, the intersection point of resistance R 7 and R8, the intersection point of R8 and R9, the intersection point of R9 and R10, the intersection point of R10 and R11 connects 2 pin of operational amplifier U2 respectively, 6 pin, 9 pin, 13 pin, the other end ground connection of

resistance R

11,3 of operational amplifier U2,5,10, link together 2 pin of joint J2 of 12 pin, resistance R 12 is connected on 2 pin of joint J2 between the ground, 2 pin of capacitor C 8 positive pole joint J2, minus earth, 4 pin of the 1 pin serial connection R18 joint J3 of operational amplifier U2,3 pin of 7 pin series resistor R19 joint J3,2 pin of 8 pin series resistor R20 joint J3,14 pin series resistor R22 connect 2 pin of integrated circuit U4 in the moisturizing control circuit 4, the 14 pin series resistor R21 of operational amplifier U2 connect the base stage of triode Q2, the colelctor electrode of triode Q2 meets power supply VCC, 1 pin of emitter stage series resistor R23 joint J3, the emitter stage of triode Q2 connects resistance R 24 1 ends in the moisturizing indication

fault warning circuit

5,4 pin of operational amplifier U2 meet power supply VCC, 11 pin ground connection;

Water level display circuit 3 is 1-8 pin respectively sending and receiving optical diode LED-8, LED-7, LED-6, LED-5, LED-4, LED-3, LED-2, LED-1 positive poles of joint J3, and be connected together 1 pin of the joint J4 in the warm area display circuit 9 of the negative pole of LED-1～LED-8 is a ground connection;

Moisturizing control circuit 4 is the 3 pin connecting resistance R30 of integrated circuit U4 and the end that resistance R 43 in the sample circuit 6 is pointed out in moisturizing, the base stage of another termination triode Q3 of resistance R 30, the grounded emitter of triode Q3, collector series connection diode D6 meets power supply VCC, 5 pin of the collector connecting relay K1 of triode Q3,6 pin of relay K 1 meet power supply VCC, 1 of

relay K

1,2 pin meet diode D11, the intersection point of D12 negative pole, 3 pin of 4 pin joint J5,12 pin of resistance R 22 and serial connection capacitor C 4 ground connection and joint J4 in the 2 pin water receiving position identification circuits 2 of integrated circuit U4,1 pin of operational amplifier U1 in 6 pin serial connection capacitor C 5 ground connection and the series resistor R31 water receiving

position identification circuit

2,5 pin serial connection capacitor C, 3 ground connection, 4 pin serial connection capacitor C 6 plus earths and series resistor R32 meet power supply VCC, and 8 pin meet power supply VCC, 1 pin ground connection;

Moisturizing indication fault warning circuit 5 is the emitter stages of triode Q2 in the base stage series resistor R24 water receiving position identification circuit 2 of triode Q4,10 pin and series resistor R25 that triode Q4 colelctor electrode meets operational amplifier U5 meet power supply VCC, collector series connection capacitor C 9 ground connection, grounded emitter, the 9 pin series resistor R26 of operational amplifier U5 connect power supply VCC and series resistor R27 ground connection, 8 pin series resistor R28 connect triode Q5 base stage, the grounded emitter of triode Q5,7 pin of 6 pin of colelctor electrode joint J4 and serial connection R46 joint J4, the 8 pin series resistor R29 of operational amplifier U5 connect triode Q6 base stage, triode Q6 grounded emitter, colelctor electrode connects the base stage of triode Q3 in the moisturizing control circuit 4;

Moisturizing prompting sample circuit 6 is that 14 pin of operational amplifier U5 connect resistance R 60 1 ends in the moisturizing indication

fault warning circuit

5,12 pin series resistor R45 ground connection, 12 pin series resistor R43 connect 3 pin of integrated circuit U4 in the moisturizing control circuit 4, and 13 pin series resistor R42 connect 14 pin of operational amplifier U6 in the oscillating circuit 7;

Oscillating circuit 7 is that the 12 pin series resistor R54 of operational amplifier U6 meet power supply VCC and series resistor R55 ground connection and series resistor R58 and connect 14 pin, 13 pin serial connection R56 meets power supply VCC and serial connection capacitor C 10 ground connection and series resistor R57, diode D10 and connects 14 pin, 14 pin connect the base stage that resistance R 42 in the moisturizing prompting sample circuit 6 and series resistor R59 meet triode Q9, triode Q9 grounded emitter, 5 pin of colelctor electrode joint J4;

Warm area shows that sample circuit 8 is 1 pin of operational amplifier U5 in the resistance R 50 water receiving temperature monitor signal amplifying circuits 10, another pin of resistance R 50 connects the base stage of triode Q8, triode Q8 colelctor electrode meets power supply VCC, emitter stage connects 3 pin of operational amplifier U6,5 pin, 10 pin and series resistor R51 ground connection, 2 pin of operational amplifier U6 connect 3 pin of swept resistance W3,2 pin of swept resistance W3 meet power supply VCC, 1 pin ground connection, 4 pin of operational amplifier U6 meet power supply VCC, 11 pin ground connection, 1 pin serial connection diode D8,2 pin of resistance R 47 joint J4,6 pin connect 3 pin of swept resistance W4, and 2 pin of swept resistance W4 meet power supply VCC, 1 pin ground connection, the 7 pin serial connection diode D9 of operational amplifier U6,3 pin of resistance R 48 joint J4,9 pin series resistor R52 connect power supply VCC and series resistor R53 ground connection, 4 pin of 8 pin series resistor R49 joint J4;

Warm area display circuit 9 is that 2,3,4 pin of joint J4 connect LED-10, LED-11, LED-12 positive pole respectively, be connected together 5 pin of joint J4 of the negative pole of LED-10, LED-11, LED-12;

Water temperature detection signal amplification circuit 10 is resistance R 33 and R34 series connection, another pin of resistance R 33 meets power supply VCC, another pin ground connection of resistance R 34, the intersection point connecting resistance R37 of resistance R 33 and R34, another pin of resistance R 37 connects 3 pin of operational amplifier U5, resistance R 35, temperature sensor RT, swept resistance W1 series connection, another pin of resistance R 35 meets power supply VCC, the 2 pin ground connection of swept resistance W1, the intersection point connecting resistance R36 of resistance R 35 and temperature sensor RT, another pin of resistance R 36 connects 2 pin of operational amplifier U5, the intersection point of temperature sensor RT and swept resistance W1 connects 3 pin of W1, the 2 pin ground connection of W1,1 pin of operational amplifier U5 connects 2 pin of swept resistance W5, resistance R 50 in the warm area demonstration sample circuit 8 and the resistance R 39 in water temperature control and the

preinstalled circuit

11,2 of swept resistance W5,3 pin connect 2 pin of operational amplifier U5, and 4 pin meet power supply VCC, 11 pin ground connection;

Water temperature control and preinstalled circuit 11 are 1 pin of the operational amplifier U5 in the resistance R 39 water receiving temperature monitor signal amplifying circuits 10, another pin of resistance R 39 connects 5 pin of operational amplifier U5, resistance R 40 1 termination power VCC, another pin connects 1 pin of swept resistance W2,11 pin of the 1 pin joint J4 of swept resistance W2,6 pin of operational amplifier U5 connect 3 pin of swept resistance W2,3 pin of W2 connect 10 pin of J4, resistance R 38 1 pin ground connection, another pin connects 2 pin of swept resistance W2,9 pin of the 2 pin joint J4 of swept resistance W2, the 7 pin series resistor R41 of operational amplifier U5 connect the base stage that triode Q3 base stage in the moisturizing control circuit 4 and series resistor R44 meet triode Q7, the grounded emitter of triode Q7, collector series connection diode D7 meets power supply VCC and succeeds 5 pin of electrical equipment K2,6 pin of relay K 2 connect power supply VCC, 1,2 pin meet diode D12, the negative pole of D11,4 pin of 4 pin joint J5.

Operation principle of the present invention:

Water level monitoring circuit 1: the internal work principle that is level sensor, it forms the water-level detecting of the first half and the water-level detecting that resistance R a4～Ra6 forms Lower Half by resistance R a1～Ra3, two parts line construction is identical, be that example illustrates its operation principle below with the Lower Half, as seen from Figure 2, resistance R a4～Ra6 is in series, node E, F, G, H respectively draws a lead successively as other sensing point of probe water level level, the H point is minimum, in addition by 3 pin of J2a send here+12 DC voltages are to be connected on to be lower than the position that H is ordered, in water tank when anhydrous, the E point voltage equals 0, when water level is elevated to the H point, + 12V will pass through water, resistance R a6, Ra5, Ra4 and E point form a path, when water level is elevated to the G point, + 12V will pass through water, resistance R a5, Ra4 and E point form a path, when water level is elevated to the F point, + 12V will pass through water, resistance R a4 and E point form a path, when water level is elevated to the E point, + 12V just only forms a path by water and E point, this shows, water level changes and can change the access resistance value of this path, when inserting main circuit, the change of water level has just changed the size of this passage current, access current water level by the identification of water level circuit according to urining of electric current, the first half is identical with above-mentioned principle is not giving unnecessary details.

Water level identification circuit 2: this part also is made up of two parts up and down, two parts line construction is basic identical, mainly be that example is illustrated below with the Lower Half, with reference to Fig. 2, this part is made up of operational amplifier and peripheral cell, wherein operational amplifier U2 is connected into the form of comparator, four

positive input terminals

3,5,10,12 pin are connected together, be connected to the X point, resistance R 7, R8, R9, R10, R11 is connected between VCC and the ground, series connection form according to resistance R 7～R11 can be calculated, node A5 is about 8.1V, A6 is about 5.86V, A7 is about 3.62V, A8 is about 2.47V, node A5, A6, A7, A8 is connected on four negative input ends of operational amplifier respectively, for four operational amplifiers provide four different reference voltages, 2 pin as J2 when water level monitoring is sent signal here), form a voltage signal at the X point, this voltage signal and four comparators compare, what reference voltage was lower than this signal voltage all has an output voltage, otherwise no-output voltage, the output of such four comparators will be passed through current-limiting resistance R18 respectively, R19, R20, R23 is according to water level, light different luminous tubes, indicate current water level, the output of lowest order comparator U2D here is different with other three, and it is that the amplification of passing through triode Q2 outputs to water level indicator light by resistance R 23, because of this road output also will be controlled to moisturizing by resistance R 22, send a lower limit water level signal,, also added triode Q2 simultaneously and driven the water level indication for the load that alleviates comparator in order to isolate this two paths of signals; The first half, just the output of the U1A of highest order has been passed through a triode and has been driven indicator lamp, is because this road will in order to alleviate the load of comparator, isolate two paths of signals and design by resistance R 31 to upper limit water level signal of moisturizing control output; Capacitor C 7, C8 filtering interference signals prevent misoperation; Other parts are identical.

Moisturizing control circuit 4: this part mainly contains integrated circuit U4 (NE555) and peripheral cell is formed, the key property of integrated circuit U4 is when 2 pin and 6 pin 3 pin output high potential during electronegative potential all, in output is between high period, it is that output is just by high step-down when having only two pin all to be high level into during high level output remains unchanged that any one pin becomes; When 2 pin and 6 pin all are high potential, 3 pin output electronegative potential, when output is electronegative potential, output was constant when the wherein any pin of 2 pin and 6 pin became electronegative potential, when having only two pin all to be electronegative potential, output just becomes high potential by electronegative potential, from the two paths of signals that water level identification is sent here, its lower limit water level signal is received 2 pin of integrated circuit U4, upper limit water level signal is connected on 6 pin of integrated circuit U4, when 2 pin and 6 pin all do not have the signal level input, 3 pin output high level, this high level is added to the base stage b of triode Q3 by resistance R 30, triode Q3 conducting, drive relay K 1 adhesive, relay contact is added to 24V voltage on the coil of normally closed cold water magnetic valve, the cold water magnetic valve is opened, be the solar energy moisturizing, when reaching upper limit water level, the two paths of signals that is added to integrated circuit U4 all is a high level, the 3 pin output low levels of U4, triode Q3 ends, relay K 1 discharges, the outage of cold water magnetic valve is closed, stop moisturizing, when water level drops to below the upper limit water level, when the lower limit water level is above, though being added to the 6 pin signals of integrated circuit U4 is low levels, but the 2 pin signals that are added to integrated circuit U4 are still high level, 3 pin of integrated circuit U4 keep low level constant, have only water level to drop to the lower limit waterline when following, 2 pin of integrated circuit U4 become low level, it is the solar energy moisturizing that 3 pin are exported high level once more, so just reached the purpose of automatic water supplement, 2 pin of integrated circuit U4 are connected to a self-complex switch, be to force to go up taps, whenever be lower than upper limit water level at water level, because of 6 pin of integrated circuit U4 are low level, pressing this switch will draw 2 pin of integrated circuit U4 and be low level, make 3 pin output high level, through triode Q3 and relay K 1 driving cold water magnetic valve is the solar energy moisturizing, reach the purpose of forcing to go up water, capacitor C 3, C4 is a filter capacitor, interfering signal in the filtering water level signal line, the electrification reset of resistance R 32 and capacitor C 4 integrated circuit U4 is provided with.

Moisturizing indication fault warning circuit 5: under normal circumstances, most of times of the water level of solar energy can be more than the lower limit water level, as long as water level one is lower than lower limit water level water charging system and will be its moisturizing, so deliver to the lower limit water level signal of circuit, at most can only be several seconds time dead level, that is to say that triode Q2 can only be in cut-off state at most in several seconds of beginning moisturizing, if triode Q2 deadline is long may to be that two reasons cause, the one, water-level probe comes off, can't send water level signal here, the 2nd, cold water pipe is cut off the water supply, water level can't reach the lower limit water level and no signal output, and both of these case all can make water charging system be in the moisturizing state always; Moisturizing indication fault warning circuit 5 is exactly for the warning system that this type of fault is provided with occurring, during reporting to the police, force water charging system to quit work, its principle is as follows, Q2 is in conducting state always at the normal operating conditions triode, the forward voltage of triode Q4 because of there being resistance R 4 to add, also be in saturation conduction always, 10 pin of operational amplifier U5 equal 0V, 9 pin that resistance R 26 and R27 are connected on operational amplifier U5C obtain the voltage of about 10V, because negative input, be higher than positive input terminal, the 8 pin no-outputs of U5; When triode Q2 ends, triode Q4 ends, this moment, capacitor C 9 will be by resistance R 25 chargings, if 90 seconds left and right sides capacitor C 9 charging voltages will be higher than the 9 pin voltage 10V of operational amplifier U5, the 8 pin output high level of U5, this high level one tunnel is added to the base stage of triode Q5 through resistance R 28, make the Q5 saturation conduction, the luminous tube and the buzzer that are connected on the Q5 colelctor electrode send continual alarm signal, the high level of 8 pin of operational amplifier U5 output simultaneously is added to the base stage of triode Q6 by resistance R 29, the saturation conduction of Q6 forces triode Q3 to end, like this with regard to forced closing moisturizing.

Moisturizing prompting sample circuit 6: oscillating circuit 7 adds a square wave about the about 11V of amplitude, 1Hz for the 13 pin negative input ends of operational amplifier U5 by resistance R 42 always, output 3 pin of integrated circuit U4 divide the 12 pin positive input terminals that are crimped onto operational amplifier U5 through resistance R 43, R45, when 3 pin of integrated circuit U4 are low level, 12 pin that are added to operational amplifier U5 also are low levels, this moment, no matter the 13 pin oscillation levels of U5 were that height is low, and 14 pin do not have output; During being the solar energy moisturizing, the 3 pin output high level 12V of integrated circuit U4 is through resistance R 43, R45 dividing potential drop, 12 pin at operational amplifier U5 obtain the voltage about 6V, the vibration of 13 pin of operational amplifier U5 is when high level at this moment, the negative input end level is greater than the positive input terminal level, and the 14 pin no-outputs of operational amplifier U5 are at the tempus intercalare of vibration, the 13 pin negative input end level of U5 are lower than the 12 pin positive input terminal level of U5, the 14 pin output high level of operational amplifier U5.14 pin of operational amplifier U5 will be by the frequency of oscillation output square wave of 13 pin like this, and this square wave is added to the base stage of triode Q5, makes prompting intermittently by Q5 control luminous tube and buzzer.

Water temperature detection signal amplification circuit 10: resistance R 33, R34, R35, temperature sensor RT, swept resistance W1 is connected into the electric bridge form, when temperature sensor RT touches different water temperatures, different variations can take place in resistance, at A9, different potential differences will appear in A10 two nodes, the water temperature of temperature sensor RT contact is high more, resistance is few more, node A9, potential difference between A10 is big more, operational amplifier U5A is connected into the form of amplifier, 2,3 pin are signal input parts, this potential difference is by resistance R 37, R36 delivers to the input 2 of operational amplifier U5,3 pin, after amplifying, export by 1 pin, operational amplifier W5 is the negative feedback resistor of amplifier, adjust the multiplication factor that its big I changes amplifier, the amplifying signal of the 1 pin output of operational amplifier U5 is delivered to warm area respectively and is shown

sample circuit

8, and 5 pin of comparator U5B are delivered on another road through resistance R 39.

Water temperature control and preinstalled circuit 11: resistance R 40, swept resistance W2, resistance R 38 are connected on VCC between the ground, swept resistance W2 center head connects negative input end 6 pin of operational amplifier U5, by adjusting swept resistance W2, can change the reference voltage (1.58～9.76V) of 2 pin that are added to operational amplifier U5B, the change of this reference voltage will change the water temperature of output; If water temperature raises, then the level of exporting from 1 pin of operational amplifier U5 just raises, the 5 pin level that are added to U5 raise, when the 5 pin level of U5 during greater than the 6 pin negative input end reference voltages of U5, the 7 pin output high level of operational amplifier U5, this high level one tunnel is added to the base stage of triode Q7 through resistance R 44, make the Q7 saturation conduction, relay K 2 adhesives, make the action of hot water valve and reversing valve, the base stage that the resistance R 41 of leading up to is added to triode Q3 makes the Q3 saturation conduction, relay K 1 adhesive, cold valves action, cold water magnetic valve like this, the hot water electromagnetic valve, oppositely magnetic valve moves simultaneously, because of the cold water magnetic valve is a normally closed solenoid valve, hot water electromagnetic valve and reverse magnetic valve are normally open solenoid valves, so be to open cold water pipe to close hot-water line at this moment; When water temperature signal is lower than reference voltage, operational amplifier U5 no-output, relay K 1, K2 discharge simultaneously, three magnetic valve while returns, promptly close cold water pipe, open hot-water line, the action of magnetic valve is the water temperature that measures according to the water temperature probe like this, obtains stable water temperature thereby through above-mentioned control circuit control the hot water or cold water is annotated mixed water tank mixing.

Warm area shows sample circuit 8: this part is in order whole water temperature range to be divided into three zones, about 29 degree of low-temperature space～36 degree; About 36 degree of middle warm area～43 degree; High-temperature region about 43 degree～50 degree are shown by regional indicator lamp, so that the user can know current water temperature zone; Three operational amplifiers among the operational amplifier U6 all are connected into comparator type, wherein U6C is the demonstration sampling of low-temperature space, 9 pin that resistance R 52, R53 are connected on U6 form a low-temperature space reference voltage, and the reference voltage in other two districts is determined by the adjustable resistance adjustment; Be added to the base stage of triode Q8 by resistance R 50 when the water temperature signal level of 1 pin of operational amplifier U5 output, amplify (electric current amplification) is added to three comparators by emitter stage positive input terminal through triode, the reference voltage of this voltage while with three comparators compares, as long as reference voltage is lower than the comparator of triode Q8 emitter voltage, output high level in capital is lighted corresponding warm area indicator lamp.

Oscillating circuit 7: this part is in order to allow the flicker of warm area indicator lamp and moisturizing warning light, ring and be provided with the intermittence of moisturizing prompt tone, circuit is by resistance R 54, the R55 dividing potential drop, 12 pin at operational amplifier U6D provide a reference voltage about 8V, resistance R 56 and capacitor C 10 series connection intersection points are received 13 pin of operational amplifier U6D, resistance R 58 is connected on and forms a positive feedback between 14 pin of operational amplifier U6D and 12 pin, resistance R 57 and diode D10 provide a discharge loop, when one connects power supply, because the voltage at capacitor C 10 two ends can not suddenly change, 13 pin of operational amplifier U6D are current potential closely, the 14 pin output high potential of operational amplifier U6D, through resistance R 58 feedbacks 12 pin of operational amplifier U6 are risen to about 8.3V from 8V, capacitor C 10 is through resistance R 58 chargings, when charging voltage reaches 8.3V when above, 14 pin of operational amplifier U6D become low level, this low level one tunnel is through feedback resistance R58, feed back to 12 pin of operational amplifier U6D, the 12 pin voltages of operational amplifier U6D are pulled down to about 7.3V, the voltage at another road capacitor C 10 two ends is through resistance R 57, diode D10, the 14 pin discharge of operational amplifier U6D, when the voltage at capacitor C 10 two ends drops to 7.3V when following, 14 pin of operational amplifier U6D are upgraded to high level again, go round and begin again like this and form vibration, triode Q9 is the luminous tube negative pole that the square wave of vibration is added to three warm areas demonstrations, makes the warm area lamp that the effect of flicker be arranged.

Power circuit is to provide normal operating voltage to entire circuit, the elementary civil power 220V that connects of transformer, secondary two groups of outputs, one group is～22V, the bridge rectifier of forming through diode D11～D14 obtains DC voltage about 24V through capacitor C 11 filtering, provides normal working voltage to magnetic valve.Another group is～bridge rectifier that 12V forms through diode D1～D4, again after capacitor C 1 filtering by the DC voltage of three-terminal regulator block output stablizing 12V.Capacitor C 2 is a secondary filtering electric capacity, and diode D5 is the protection diode, the protection power module.

Claims

1. solar automatic temperature-control; moisturizing; protective device; form by electronic circuit; it is characterized in that electronic circuit is that water level monitoring circuit (1) is connected with water level identification circuit (2); water level identification circuit (2) respectively with water level display circuit (3); moisturizing control circuit (4) is connected with moisturizing indication fault warning circuit (5); moisturizing control circuit (4) is connected with moisturizing prompting sample circuit (6); oscillating circuit (7) connects warm area and shows sample circuit (8); moisturizing prompting sample circuit (6); moisturizing prompting sample circuit (6) connects moisturizing indication fault warning circuit (5); warm area shows that sample circuit (8) connects warm area display circuit (9); water temperature detection signal amplification circuit (10) shows sample circuit (8) with warm area respectively; water temperature control is connected with preinstalled circuit (11); water temperature control and the normally closed cold water magnetic valve of preinstalled circuit (11) control; often open the hot water electromagnetic valve and often drive reverse magnetic valve, the normally closed cold water magnetic valve of moisturizing control circuit (4) control.

2. a kind of solar automatic temperature-control according to claim 1, moisturizing, protective device, it is characterized in that described water level monitoring circuit (1) is resistance R a1, Ra2, Ra3 series connection, the end of resistance R a1 water receiving position is respectively visited the Jt1 pin of some group Jt and 1 pin of joint J2a, the intersection point of resistance R a1 and Ra2 connects the Jt2 pin of Jt, the intersection point of resistance R a2 and Ra3 connects the Jt3 pin of Jt, the Jt4 pin of another termination Jt of resistance R a3; Resistance R a4, Ra5, Ra6 series connection, the end of resistance R a4 is received the Jt5 pin of Jt and 2 pin of joint J2a respectively, and the intersection point of resistance R a4 and Ra5 connects the Jt6 pin of Jt, and the intersection point of resistance R a5 and Ra6 connects the Jt7 pin of Jt, the Jt8 pin of another termination Jt of resistance R a6, the Jt9 pin of Jt connects 3 pin of J2a.

3. a kind of solar automatic temperature-control according to claim 1, moisturizing, protective device, it is characterized in that described water level identification circuit (2) is a resistance R 1, R2, R3, R4, the R5 series connection, one termination power VCC of resistance R 1, the intersection point of resistance R 1 and R2, the intersection point of R2 and R3, the intersection point of R3 and R4, the intersection point of R4 and R5 is connected on 2 pin of operational amplifier U1 respectively, 6 pin, 9 pin, 13 pin, the other end ground connection of resistance R 5,3 of operational amplifier U1,5,10,12 pin link together 1 pin of joint J2 and an end of resistance R 6, the other end ground connection of resistance R 6,1 pin of capacitor C 7 positive pole joint J2, minus earth, the end of the 1 pin connecting resistance R13 of operational amplifier U1, the base stage of another termination triode Q1 of resistance R 13, the colelctor electrode of triode Q1 meets VCC, emitter stage connecting resistance R14 one end, 8 pin of another edge joint J3 of resistance R 14, another road of 1 pin of operational amplifier U1 connects resistance R 31 1 ends in the moisturizing control circuit (4), 7 pin of operational amplifier U1 connect 7 pin of series resistor R15 joint J3,6 pin of 8 pin series resistor R16 joint J3,5 pin of 14 pin series resistor R17 joint J3,4 pin meet power supply VCC, 11 pin ground connection; Resistance R 7, R8, R9, R10, the R11 series connection, the termination power VCC of R7, the intersection point of resistance R 7 and R8, the intersection point of R8 and R9, the intersection point of R9 and R10, the intersection point of R10 and R11 connects 2 pin of operational amplifier U2 respectively, 6 pin, 9 pin, 13 pin, the other end ground connection of resistance R 11,3 of operational amplifier U2,5,10, link together 2 pin of joint J2 of 12 pin, resistance R 12 is connected on 2 pin of joint J2 between the ground, 2 pin of capacitor C 8 positive pole joint J2, minus earth, 4 pin of the 1 pin serial connection R18 joint J3 of operational amplifier U2,3 pin of 7 pin series resistor R19 joint J3,2 pin of 8 pin series resistor R20 joint J3,14 pin series resistor R22 connect 2 pin of integrated circuit U4 in the moisturizing control circuit (4), the 14 pin series resistor R21 of operational amplifier U2 connect the base stage of triode Q2, the colelctor electrode of triode Q2 meets power supply VCC, 1 pin of emitter stage series resistor R23 joint J3, the emitter stage of triode Q2 connects resistance R 24 1 ends in the moisturizing indication fault warning circuit (5), 4 pin of operational amplifier U2 meet power supply VCC, 11 pin ground connection.

4. a kind of solar automatic temperature-control according to claim 1, moisturizing, protective device; it is characterized in that described water level display circuit (3) is 1-8 pin respectively sending and receiving optical diode LED-8, LED-7, LED-6, LED-5, LED-4, LED-3, LED-2, the LED-1 positive pole of joint J3, be connected together 1 pin of the joint J4 in the warm area display circuit (9) of the negative pole of LED-1～LED-8.

5. a kind of solar automatic temperature-control according to claim 1; moisturizing; protective device; it is characterized in that described moisturizing control circuit (4) is the 3 pin connecting resistance R30 of integrated circuit U4 and an end of the middle resistance R 43 of moisturizing prompting sample circuit (6); the base stage of another termination triode Q3 of resistance R 30; the grounded emitter of triode Q3; collector series connection diode D6 meets power supply VCC; 5 pin of the collector connecting relay K1 of triode Q3; 6 pin of relay K 1 meet power supply VCC; 1 of relay K 1; 2 pin meet diode D11; the intersection point of D12 negative pole; 3 pin of 4 pin joint J5; 12 pin of resistance R 22 and serial connection capacitor C 4 ground connection and joint J4 in the 2 pin water receiving position identification circuits (2) of integrated circuit U4; 1 pin of operational amplifier U1 in 6 pin serial connection capacitor C 5 ground connection and the series resistor R31 water receiving position identification circuit (2); 5 pin serial connection capacitor C, 3 ground connection; 4 pin serial connection capacitor C 6 plus earths and series resistor R32 meet power supply VCC; 8 pin meet power supply VCC, 1 pin ground connection.

6. a kind of solar automatic temperature-control according to claim 1; moisturizing; protective device; it is characterized in that described moisturizing indication fault warning circuit (5) is the emitter stage of the middle triode Q2 of base stage series resistor R24 water receiving position identification circuit (2) of triode Q4; 10 pin and series resistor R25 that triode Q4 colelctor electrode meets operational amplifier U5 meet power supply VCC; collector series connection capacitor C 9 ground connection; grounded emitter; the 9 pin series resistor R26 of operational amplifier U5 connect power supply VCC and series resistor R27 ground connection; 8 pin series resistor R28 connect triode Q5 base stage; the grounded emitter of triode Q5; 7 pin of 6 pin of colelctor electrode joint J4 and serial connection R46 joint J4; the 8 pin series resistor R29 of operational amplifier U5 connect triode Q6 base stage; triode Q6 grounded emitter, colelctor electrode connect the base stage of triode Q3 in the moisturizing control circuit (4).

7. a kind of solar automatic temperature-control according to claim 1, moisturizing, protective device; it is characterized in that described moisturizing prompting sample circuit (6) is that 14 pin of operational amplifier U5 connect resistance R 60 1 ends in the moisturizing indication fault warning circuit (5); 12 pin series resistor R45 ground connection; 12 pin series resistor R43 connect 3 pin of integrated circuit U4 in the moisturizing control circuit (4), and 13 pin series resistor R42 connect 14 pin of operational amplifier U6 in the oscillating circuit (7).

8. a kind of solar automatic temperature-control according to claim 1, moisturizing, protective device; it is characterized in that described oscillating circuit (7) is that the 12 pin series resistor R54 of operational amplifier U6 meet power supply VCC and series resistor R55 ground connection and series resistor R58 and connect 14 pin; 13 pin serial connection R56 meets power supply VCC and serial connection capacitor C 10 ground connection and series resistor R57, diode D10 and connects 14 pin; 14 pin connect the base stage that resistance R 42 in the moisturizing prompting sample circuit (6) and series resistor R59 meet triode Q9; triode Q9 grounded emitter, 5 pin of colelctor electrode joint J4.

9. a kind of solar automatic temperature-control according to claim 1; moisturizing; protective device; it is characterized in that described warm area shows that sample circuit (8) is 1 pin of operational amplifier U5 in the resistance R 50 water receiving temperature monitor signal amplifying circuits (10); another pin of resistance R 50 connects the base stage of triode Q8; triode Q8 colelctor electrode meets power supply VCC; emitter stage connects 3 pin of operational amplifier U6; 5 pin; 10 pin and series resistor R51 ground connection; 2 pin of operational amplifier U6 connect 3 pin of swept resistance W3; 2 pin of swept resistance W3 meet power supply VCC; 1 pin ground connection; 4 pin of operational amplifier U6 meet power supply VCC; 11 pin ground connection; 1 pin serial connection diode D8; 2 pin of resistance R 47 joint J4; 6 pin connect 3 pin of swept resistance W4; 2 pin of swept resistance W4 meet power supply VCC, 1 pin ground connection, the 7 pin serial connection diode D9 of operational amplifier U6; 3 pin of resistance R 48 joint J4; 9 pin series resistor R52 connect power supply VCC and series resistor R53 ground connection, 4 pin of 8 pin series resistor R49 joint J4.

10. a kind of solar automatic temperature-control according to claim 1, moisturizing, protective device; it is characterized in that described warm area display circuit (9) is that 2,3,4 pin of joint J4 connect LED-10, LED-11, LED-12 positive pole respectively, be connected together 5 pin of joint J4 of the negative pole of LED-10, LED-11, LED-12.

11. a kind of solar automatic temperature-control according to claim 1; moisturizing; protective device; it is characterized in that described water temperature detection signal amplification circuit (10) is resistance R 33 and R34 series connection; another pin of resistance R 33 meets power supply VCC; another pin ground connection of resistance R 34; the intersection point connecting resistance R37 of resistance R 33 and R34; another pin of resistance R 37 connects 3 pin of operational amplifier U5; resistance R 35; temperature sensor RT; swept resistance W1 series connection; another pin of resistance R 35 meets power supply VCC; the 2 pin ground connection of swept resistance W1; the intersection point connecting resistance R36 of resistance R 35 and temperature sensor RT; another pin of resistance R 36 connects 2 pin of operational amplifier U5; the intersection point of temperature sensor RT and swept resistance W1 connects 3 pin of W1; the 2 pin ground connection of W1,1 pin of operational amplifier U5 connects 2 pin of swept resistance W5; resistance R 39 in resistance R 50 in the warm area demonstration sample circuit (8) and water temperature control and the preinstalled circuit (11), 1 of swept resistance W5; 3 pin connect 2 pin of operational amplifier U5; 4 pin meet power supply VCC, 11 pin ground connection.

12. a kind of solar automatic temperature-control according to claim 1; moisturizing; protective device; it is characterized in that described water temperature control and preinstalled circuit (11) are 1 pin of the operational amplifier U5 in the resistance R 39 water receiving temperature monitor signal amplifying circuits (10); another pin of resistance R 39 connects 5 pin of operational amplifier U5; resistance R 40 1 termination power VCC; another pin connects 1 pin of swept resistance W2; 11 pin of the 1 pin joint J4 of swept resistance W2; 6 pin of operational amplifier U5 connect 3 pin of swept resistance W2; 3 pin of W2 connect 10 pin of J4; resistance R 38 1 pin ground connection; another pin connects 2 pin of swept resistance W2; 9 pin of the 2 pin joint J4 of swept resistance W2; the 7 pin series resistor R41 of operational amplifier U5 connect the base stage that triode Q3 base stage in the moisturizing control circuit (4) and series resistor R44 meet triode Q7; the grounded emitter of triode Q7; collector series connection diode D7 meets power supply VCC and succeeds 5 pin of electrical equipment K2; 6 pin of relay K 2 meet power supply VCC; 1; 2 pin meet diode D12; the negative pole of D11,4 pin of 4 pin joint J5.