CN202177795U

CN202177795U - Water tap temperature control module

Info

Publication number: CN202177795U
Application number: CN2011201981181U
Authority: CN
Inventors: 何海参
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-06-14
Filing date: 2011-06-14
Publication date: 2012-03-28
Anticipated expiration: 2021-06-14

Abstract

The utility model relates to the field of water tap control, and particularly relates to a water tap temperature control module. The module comprises a water temperature detection circuit, a singlechip control circuit, a display circuit, an electromagnetic valve drive circuit, a phase locking circuit, and a frequency selective amplifier circuit. The output signal of the water temperature detection circuit is sent to the singlechip control circuit through a trigger circuit; the singlechip control circuit controls the output to connect to the display circuit, the electromagnetic valve drive circuit, and the phase locking circuit; the output signal of the phase locking circuit is transmitted to a carrier wave signal decoding circuit through the frequency selective amplifier circuit; and when the supply water temperature of a water pipe exceeds the limit, a singlechip sends out a control signal to drive an electromagnetic valve to turn off the water tap, at the same time emits a carrier wave signal to a mainframe to send alarm information, so that personnel can be informed in time to deal with the failure, to achieve security monitoring.

Description

The water swivel temperature control module

Technical field

The utility model relates to water swivel control field, particularly be a kind of water swivel temperature control module.

Background technology

Water swivel is widely used in the tap water of occasions such as family, factory, hotel, airport and supplies with; For people's live and work brings great convenience; But all uncontrollable water temperature of existing water swivel; In public domain occasions such as automobile, railway stations, guarantee that water temperature is a particular importance, the in a single day too high meeting of water temperature is scalded people.

The utility model content

The purpose of the utility model is to overcome above-mentioned deficiency, and a kind of water swivel temperature control module is provided.

The utility model solves the technical scheme that its technical matters adopted: the water swivel temperature control module; Comprise water temperature testing circuit, single chip machine controlling circuit, display circuit, driving circuit for electromagnetic valve, phase lock circuitry and frequency-selecting amplifier circuit; The output signal of said water temperature testing circuit sends to single chip machine controlling circuit through trigger circuit; Single chip machine controlling circuit control output is connected to display circuit, driving circuit for electromagnetic valve and phase lock circuitry, and the output signal of said phase lock circuitry is through frequency-selecting amplifier circuit transmission to carrier signal decoding scheme.

Said water temperature testing circuit is made up of temperature sensor VT resistance in series R1 and potentiometer RP.

Said trigger circuit are made up of UAA1016B comparator circuit IC3 and peripheral resistance R 3, R2, R5, the R6 that connects thereof.

Said display circuit adopts the LCD LCD.

Said phase lock circuitry is made up of LM567 tone decoder U1 and peripheral electric capacity 2C1, resistance 2R1, resistance 2R2 thereof.

Said frequency-selecting amplifier circuit is made up of elementary L1, electric capacity 2C2, the capacitor 2C3 of triode VT1, audio-frequency transformer (AFT) T, and sends data-signal through power lead to the carrier signal decoding scheme through secondary L2, the electric capacity 2C4 of audio-frequency transformer (AFT) T.

Said carrier signal decoding scheme is made up of the audio-frequency transformer (AFT) T1, LM567 ATD U2, triode VT2, the LED that connect successively.

Through adopting above-mentioned technical scheme; The beneficial effect of the utility model is: when water pipe supply water temperature transfinites; Single-chip microcomputer sends control signal and drives solenoid valve shutoff water swivel; Launch carrier signal simultaneously and send warning message, in time notify personnel, reach the purpose of security monitoring Fault Processing to main frame.

Description of drawings

Fig. 1 is the frame assumption diagram of the utility model;

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

Embodiment

Like Fig. 1, shown in Figure 2; The water swivel temperature control module of the utility model; Comprise water temperature testing circuit 1, single chip machine controlling circuit 3, display circuit 4, driving circuit for electromagnetic valve 5, phase lock circuitry 6 and frequency-selecting amplifier circuit 7; The output signal of said water temperature testing circuit 1 sends to single chip machine controlling circuit 3 through trigger circuit 2; Single chip machine controlling circuit 3 control outputs are connected to display circuit 4, driving circuit for electromagnetic valve 5 and phase lock circuitry 6, and the output signal of said phase lock circuitry 6 transfers to carrier signal decoding scheme 8 through frequency-selecting amplifier circuit 7.

Said water temperature testing circuit 1 is made up of temperature sensor VT resistance in series R1 and potentiometer RP, and said trigger circuit 2 are made up of UAA1016B comparator circuit IC3 and peripheral resistance R 3, R2, R5, the R6 that connects thereof, when the water temperature of being gathered as temperature sensor VT is in normal value; The 6th pin output low level signal of UAA1016B comparator circuit IC3, when the temperature of being gathered as potentiometer RR surpassed setting value, this signal was input to the current potential of the 3rd pin of UAA1016B comparator circuit IC3 than high through the reference voltage that supply voltage sets by resistance R 2, R3; UAA1016B comparator circuit IC3 internal circuit upset this moment; By the 6th pin output high level signal of UAA1016B comparator circuit IC3,, be input to single-chip microcomputer IC1 the 21st pin I/O end and also be high level state through resistance R 4 current limlitings;, the control of single-chip microcomputer IC1 internal processes divides three tunnel outputs this moment after judging; First via output through resistance R 7 current limlitings, makes triode Q1 conducting by the 7th pin output high level of single-chip microcomputer IC1; The relay J adhesive; Its contact J1-1 transfers normally closed point to by often opening, and promotes solenoid valve and turn-offs the too high water source of water temperature, guarantees personal security; The second tunnel output is formed display circuit 4 by the 2nd, 3,4,5 pin of single-chip microcomputer IC1 and the 3rd, 4,5,6 pin of LCD LCD IC2; Sending the driving data signal through single-chip microcomputer IC1 makes LCD LCD IC2 show current water temperature state; Let the user know and understand current water temperature state, avoid because of the too high scald accident of water temperature; Third Road is formed phase lock circuitry 6 by the multivibrator that LM567 tone decoder U1 and peripheral electric capacity 2C1, resistance 2R1, resistance 2R2 thereof constitute; Its oscillation frequency is by the parameter determining of electric capacity 2C1, resistance 2R1, and carrier frequency is adjusted in the 150-300KHZ scope.Elementary L1, electric capacity 2C2, capacitor 2C3 by triode VT1, audio-frequency transformer (AFT) T constitute frequency-selecting amplifier circuit 7; The 28th pin output high level signal by single-chip microcomputer IC1; Make LM567 tone decoder U1 obtain working power; LM567 tone decoder U1 starts working, and is coupled on local telephone network speaking wire or the AC network AC220V power lead and is sent by secondary L2, the electric capacity 2C4 of audio-frequency transformer (AFT) T, sends data-signal to the carrier wave main frame.

Said carrier signal decoding scheme 8 is made up of the audio-frequency transformer (AFT) T1, LM567 ATD U2, triode VT2, the LED that connect successively; The time constant of resistance 1R1, electric capacity 1C5 network has determined the voltage controlled oscillator of LM567 ATD U2; When the carrier wave extension set when main frame sends 150-300KHZ carrier wave command signal, be coupled to the secondary L3 of audio-frequency transformer (AFT) T through electric capacity 1C1, audio-frequency transformer (AFT) T1, its secondary L3, electric capacity 1C2, electric capacity 1C3 form a carrier wave frequency selection network; Signal after the frequency-selecting is coupled to the 3rd pin signal input part of LM567 ATD U2 through electric capacity 1C4; After LM567 ATD U2 decoding,, make triode VT2 conducting by its 8th pin output terminal output low level; LED is lighted; The carrier data signal of receiving extension set is described, the expression water temperature is too high, should in time handle.

An above-described preferred embodiment that is merely the utility model can not limit the scope that this practicality is implemented, and every equalization of being done according to the utility model claim changes and decorates, and all should still belong in the scope that the utility model contains.

Claims

1. water swivel temperature control module; It is characterized in that: comprise water temperature testing circuit (1), single chip machine controlling circuit (3), display circuit (4), driving circuit for electromagnetic valve (5), phase lock circuitry (6) and frequency-selecting amplifier circuit (7); The output signal of said water temperature testing circuit (1) sends to single chip machine controlling circuit (3) through trigger circuit (2); Single chip machine controlling circuit (3) control output is connected to display circuit (4), driving circuit for electromagnetic valve (5) and phase lock circuitry (6), and the output signal of said phase lock circuitry (6) transfers to carrier signal decoding scheme (8) through frequency-selecting amplifier circuit (7).

2. water swivel temperature control module according to claim 1 is characterized in that: said water temperature testing circuit (1) is made up of temperature sensor VT resistance in series R1 and potentiometer RP.

3. water swivel temperature control module according to claim 1 is characterized in that: said trigger circuit (2) are made up of UAA1016B comparator circuit IC 3 and peripheral resistance R 3, R2, R5, the R6 that connects thereof.

4. water swivel temperature control module according to claim 1 is characterized in that: said display circuit (4) adopts the LCD LCD.

5. water swivel temperature control module according to claim 1 is characterized in that: said phase lock circuitry (6) is made up of LM567 tone decoder U1 and peripheral electric capacity 2C1, resistance 2R1, resistance 2R2 thereof.

6. water swivel temperature control module according to claim 1; It is characterized in that: said frequency-selecting amplifier circuit (7) is made up of elementary L1, electric capacity 2C2, the capacitor 2C3 of triode VT1, audio-frequency transformer (AFT) T, and sends data-signal through power lead to carrier signal decoding scheme (8) through secondary L2, the electric capacity 2C4 of audio-frequency transformer (AFT) T.

7. according to claim 1 or 6 described water swivel temperature control modules, it is characterized in that: said carrier signal decoding scheme (8) is made up of the audio-frequency transformer (AFT) T1, LM567 ATD U2, triode VT2, the LED that connect successively.