CN201924621U

CN201924621U - Automatic constant-temperature water change control system for swimming pool

Info

Publication number: CN201924621U
Application number: CN2010206026727U
Authority: CN
Inventors: 黄家兴; 吴贵森
Original assignee: 傅仰取
Priority date: 2010-11-12
Filing date: 2010-11-12
Publication date: 2011-08-10
Anticipated expiration: 2020-11-12

Abstract

The utility model relates to an automatic constant-temperature water change control system used for a public swimming pool. The automatic constant-temperature water change control system comprises a water temperature detection circuit, a water level detection circuit, a single-chip microcomputer control circuit, a water temperature display circuit and a pumping motor control circuit, wherein a detection signal from the water temperature detection circuit is used for outputting and displaying the water temperature display circuit through the single-chip microcomputer control circuit, and a detection signal from the water level detection circuit is used for controlling and driving the pumping motor control circuit through the single-chip microcomputer control circuit. The single-chip microcomputer serves as the control core, so that the automatic constant-temperature water change control system achieves the purpose of regular constant-temperature water supply or water drainage during the water temperature detection, ensures the clean water and controlled water temperature, realizes the intelligent control and is energy-saving, convenient and practical.

Description

A kind of swimming pool automatic constant-temperature changes water control system

Technical field

The utility model relates to swimming pool and changes water device field, particularly relates to a kind of automatic constant-temperature that is used for the lido and changes water control system.

Background technology

At present, swimming pool adopts suction pump to extract sewage discharge in the pond out, puts in the pond with supply-water pump bearing water purification then, needs the long period to draw water, supply water, power consumption is big, and it is low to put into the water purification water temperature, and swimming can not suit at once, particularly in winter, because water temperature is low, the people of swimming is few.

The utility model content

The purpose of this utility model provides a kind of water temperature and detects thermostatic control and regularly add water or discharge water, and guarantees that the swimming pool automatic constant-temperature of the control of the cleaning of water quality and water temperature changes water control system.

The technical scheme that the utility model adopted is such: a kind of swimming pool automatic constant-temperature changes water control system, comprise water temperature testing circuit, water level detection circuit, single chip machine controlling circuit, water temperature display circuit, pumping motor control circuit, the detection signal of described water temperature testing circuit shows the water temperature display circuit through single chip machine controlling circuit output, and the detection signal of water level detection circuit drives the pumping motor control circuit through single chip machine controlling circuit control.

Described water temperature testing circuit provides temperature voltage signal through resistance R 3 to AD623 operational amplifier U3 by the output signal of thermocouple sensor RTT, is connected to A/D data converting circuit U2 by AD623 operational amplifier U3 output.

Described water level detection circuit comprises the lack of water Acquisition Circuit be made up of A point lack of water point position, B point public point position, phase inverter U5, triode Q2 and by B point public point position, C water work to the last minute position, triode Q2, Q3, the water of phase inverter U6, U7 composition is testing circuit completely.

Described single chip machine controlling circuit internal processes is provided with regularly, and swimming pool changes the water time.

By adopting the aforementioned techniques scheme, the beneficial effects of the utility model are: by single-chip microcomputer is the control core, and realization water temperature detection thermostatic control regularly adds water or discharges water, and guarantees the cleaning of water quality and the control of water temperature, realizes intelligent control, and is energy-conservation, convenient, practical.

Description of drawings

Fig. 1 is the structural representation of the utility model embodiment;

Fig. 2 is the circuit theory diagrams of the utility model embodiment.

The specific embodiment

Further specify the utility model below in conjunction with the drawings and specific embodiments.

As shown in Figure 1 and Figure 2, a kind of swimming pool automatic constant-temperature changes water control system, comprise water temperature testing circuit 1, water level detection circuit 2, single chip machine controlling circuit 3, water temperature display circuit 4, pumping motor control circuit 5, the detection signal of described water temperature testing circuit 1 shows water temperature display circuit 4 through single chip machine controlling circuit 3 outputs, and the detection signal of water level detection circuit 2 drives pumping motor control circuit 5 through single chip machine controlling circuit 3 controls.

Described water temperature testing circuit 1 is connected to the 3rd pin of AD623 operational amplifier U3 through resistance R 3 by the output signal of thermocouple sensor RTT, U3 provides temperature voltage signal to the AD623 operational amplifier, be connected to the 2nd pin of A/D data converting circuit U2 by the 6th pin output of AD623 operational amplifier U3, the 5th of A/D data converting circuit U2,6,7 pin respectively with single chip machine controlling circuit U1 the 26th, 24,23 pin connect to form data transaction and read telecommunication circuit, when thermocouple sensor RTT sensed water level output tiny signal, this signal provides temperature voltage signal through resistance R 3 to AD623 operational amplifier U3, maximum scalable 1000 times of AD623 operational amplifier U3, adjust the multiplication factor that resistance R 4 can change AD623 operational amplifier U3, change through A/D data converting circuit internal data, when the water temperature that is contacted as thermocouple sensor RTT reaches certain value, after single chip machine controlling circuit U1 internal processes is judged, send temperature data information to water temperature display circuit U4, show current temperature value by water temperature display circuit U4.

Described water level detection circuit 2 comprises by A point lack of water point position, B point public point position, phase inverter U5, the lack of water Acquisition Circuit that triode Q2 forms reaches by B point public point position, C water position of working to the last minute, triode Q2, Q3, phase inverter U6, the full testing circuit of the water that U7 forms, if water is arranged in the pond, pass through the water resistance conducting between A point lack of water point position and the B point public point position, the 1st pin that makes phase inverter U5 is a high level, it also is high level that its 2nd pin connects resistance 1R3, then its 3rd pin is kept low level, be coupled to the base stage of triode Q2 through resistance 1R4, triode Q2 is ended, the output of single chip machine controlling circuit U1 no signal, when in the pond during lack of water, lose water resistance between A point lack of water point position and the B point public point position and can not conducting, the 1st pin of phase inverter U5 becomes low level by high level, then its 3rd pin becomes high level, be coupled to the base stage of triode Q2 through resistance 1R4, make triode Q2 conducting, the 2nd pin output low level of single chip machine controlling circuit U1 ends triode Q4 through strip resistance R6, the relay J adhesive, water pumper gets electric, and beginning is supplied water to the pond, simultaneously, diode D3 conducting makes also conducting of triode Q2, and expression is supplied water.Lack of water control is identical with the full control circuit principle of water, has just increased a phase inverter in the full control circuit of water, makes spilling water control just opposite with lack of water control.When the pond produces spilling water, C water is worked to the last minute between position and the B point public point position by the water resistance conducting, the 8th pin that makes phase inverter U6 is a high level, its the 9th pin also is a high level by the connection of resistance 1R7, then its 10th pin is a low level, U7 is anti-phase through phase inverter, the 11st pin of phase inverter U7 is a high level, its output signal is coupled to the base stage of diode Q2 through resistance R 9, diode Q2 is ended, the 2nd pin output high level of single chip machine controlling circuit U1 makes triode Q3 saturated through resistance R 6, and relay J discharges, and water pumper stops pumping.

Can being provided with regularly by single chip machine controlling circuit U1 internal processes, swimming pool changes the water time, when switch QM is closed, the output signal of switch QM is delivered to the 5th pin of single chip machine controlling circuit U1, the 5th pin of single chip machine controlling circuit U1 is output as electronegative potential in the single chip machine controlling circuit U1 self-clocking 2 days, drive triode Q5 and enter cut-off state, make relay J 1 adhesive, the closed electromagnetic valve that promotes of switch J1-1 is opened water valve, begins to discharge water.When being put into, water loses water resistance between A point lack of water point position and the B point public point position and can not conducting, the 1st pin of phase inverter U5 becomes low level by high level, then its 3rd pin becomes high level, be coupled to the base stage of triode Q2 through resistance 1R4, make triode Q2 conducting, the 2nd pin output low level of single chip machine controlling circuit U1 ends triode Q3 through resistance R 6, the relay J adhesive, water pumper gets, beginning is supplied water to the pond, simultaneously, and diode D3 conducting, make also conducting of triode Q2, expression is supplied water.When water is taken out when full, C water is worked to the last minute between position and the B point public point position by the water resistance conducting, the 8th pin that makes phase inverter U6 is a high level, its the 9th pin also is a high level by the connection of resistance 1R7, then its 10th pin is a low level, U7 is anti-phase through phase inverter, the 11st pin of phase inverter U7 is a high level, its output signal is coupled to the base stage of diode Q2 through resistance R 9, diode Q2 is ended, and the 2nd pin output high level of single chip machine controlling circuit U1 makes triode Q3 saturated through resistance R 6, and relay J discharges, water pumper stops pumping, and reaches water saving, the intelligent control of cleaning water quality purpose.

More than show and described basic principle of the present utility model and principal character and advantage thereof; the technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the explanation just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications; these changes and improvements all fall in claimed the utility model scope, and the claimed scope of the utility model is defined by appending claims and equivalent thereof.

Claims

1. a swimming pool automatic constant-temperature changes water control system, it is characterized in that: comprise water temperature testing circuit (1), water level detection circuit (2), single chip machine controlling circuit (3), water temperature display circuit (4), pumping motor control circuit (5), the detection signal of described water temperature testing circuit-(1) shows water temperature display circuit (4) through single chip machine controlling circuit (3) output, and the detection signal of water level detection circuit (2) drives pumping motor control circuit (5) through single chip machine controlling circuit (3) control.

2. a kind of swimming pool automatic constant-temperature according to claim 1 changes water control system, it is characterized in that: described water temperature testing circuit (1) provides temperature voltage signal through resistance R 3 to AD623 operational amplifier U3 by the output signal of thermocouple sensor RTT, is connected to A/D data converting circuit U2 by AD623 operational amplifier U3 output.

3. a kind of swimming pool automatic constant-temperature according to claim 1 changes water control system, it is characterized in that: described water level detection circuit (2) comprises the lack of water Acquisition Circuit be made up of A point lack of water point position, B point public point position, phase inverter U5, triode Q2 and by B point public point position, C water work to the last minute position, triode Q2, Q3, the water of phase inverter U6, U7 composition is testing circuit completely.