CN2573560Y

CN2573560Y - Automatic water supply device for high building

Info

Publication number: CN2573560Y
Application number: CN 02277549
Authority: CN
Inventors: 胡瑞华
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-10-25
Filing date: 2002-10-25
Publication date: 2003-09-17
Anticipated expiration: 2012-10-25

Abstract

The utility model relates to an automatic water supply device for a high building. AC is input through an AC input circuit and is converted to a DC voltage by a DC power supply circuit for being used by every circuit. Pressure signals of a water supply pipeline are detected by a water level and pressure test circuit, and the pressure signals of a water supply pipeline and external control signals of a key input circuit are respectively input in a control circuit. Under the control of the control signals of a control circuit, a corresponding switch of a water pump unit can be switched on by a switch circuit which is controlled by a water pump, and a selected water pump of the water pump unit is connected with an AC power supply of the AC input circuit and is electrically operated. The construction and the maintenance are simple, a water tower and a high level water tank have no need to be arranged on a high building, the cost is low, and the water supply quantity can be automatically controlled as needed.

Description

A kind of automatic water supply device

Technical field

The utility model relates to a kind of high rise building water supply facility, particularly a kind of automatic water supply device.

Technical background

Existing building water supply often adopts water tower or modes such as high level cistern or variable frequency water supply, though water tower and high level cistern supply water stable, the building operations amount is big, the cost height, and have a lot of highrise buildings to adopt cutting-edge structure now, it is unrealistic to build water tower and high level cistern; Variable frequency water supply pressure stability, but complex structure are safeguarded to be difficult for.

Technology contents

It is simple that the purpose of this utility model is to provide a kind of construction to safeguard, do not need to set up water tower and high level cistern on high-story house, cheap automatic water supply device.

It comprises DC power supply circuit 1, button inputting circuits 2, display circuit 3, control circuit 4, ac input circuit 5, water level and pressure detection circuit 6, water pump gauge tap circuit 7 and water pump group 8.

Alternating current is through ac input circuit 5 inputs, and DC power supply circuit 1 converts alternating current to the DC voltage that uses for each circuit; The external control signal of water level and pressure detection circuit 6 detected water pipe pressure signals and button inputting circuits 2 is input control circuit 4 respectively, water pump gauge tap circuit 7 is the corresponding water pump assembly switch of conducting under the control of the control signal of control circuit 4, make the water pump of choosing in the water pump group 8 be connected with the AC power of ac input circuit 5 electric work.

Wherein DC power supply circuit 1 comprises that exchanges a rheology parallel operation spare P1 always, and this P1 uses alternating current change changing into the 24V and the 5V DC voltage of input for each circuit;

Button inputting circuits 2 comprises button K11, K21 and the K31 that sets hydraulic pressure upper and lower limit and other parameter;

Display circuit 3 comprises charactron D1 and the D2 that links to each other with digital drive circuit in the control circuit 4, and the state display lamp that is made of light emitting diode V1-V7 accordingly;

Control circuit 4 comprises 9 and watchdog circuits 10 of microprocessor (CPU), the key input signal of pressing that this microprocessor 9 is accepted from button inputting circuits 2; Water level switch signal from water level and pressure detection circuit 6 inputs to microprocessor 9 behind photoelectricity coupling circuit 11; The pipeline hydraulic signal of water level and pressure detection circuit 6 inputs to microprocessor 9 through A/D change-over circuit 12; The control signal of microprocessor 9 removes to drive display circuit 3 by digital drive circuit 13; Its water pump control signal is delivered to relay circuit 15 by relay drive circuit 14, thereby by the conducting of relay circuit 15 control of pump gauge tap circuit 7;

Ac input circuit 5 comprises ammeter PA and voltmeter PV, and water pump gauge tap circuit 7 links to each other with alternating current by air switch QF1, and DC power supply circuit 11 links to each other with ac input circuit 5 by the switch S B1 of tape light;

Water level and pressure detection circuit 6 comprise pressure sensor PY and the water level switch KS1 that is installed in the water supply line;

Water pump gauge tap circuit 7 comprises A.C. contactor KM1, KM2, KM3, KM4, KM21 and the KM22 that control coil links to each other with the relay circuit 15 of control circuit 4, wherein between the output and water pump M1, M2, M3 and M4 in the water pump group 8 of the controlled end polyphone incoming transport power supply input circuit 5 of KM1, KM2, KM3, KM4, described KM21 and KM31, KM22 and KM32 constitute star with M1, M2 respectively--and triangle starts the loop.

Description of drawings:

Fig. 1 is the utility model theory diagram;

Fig. 2 is the utility model schematic diagram;

Fig. 3 is the DC power supply circuit schematic diagram;

Fig. 4 is button inputting circuits and display circuit schematic diagram;

Fig. 5 is the control circuit theory diagram;

Fig. 6 is the control circuit schematic diagram.

The specific embodiment

Shown in Fig. 1-6, it comprises DC power supply circuit 1, button inputting circuits 2, display circuit 3, control circuit 4, ac input circuit 5, water level and pressure detection circuit 6, water pump gauge tap circuit 7 and water pump group 8.

Display circuit 3 comprises charactron D1 and the D2 that links to each other with digital drive circuit in the control circuit 4, and the state that is made of light emitting diode V1 to V7 accordingly shows electric light;

Water pump gauge tap circuit 7 comprises A.C. contactor KM1, KM2, KM3, KM4, KM21 and the KM22 that control coil links to each other with the relay circuit 15 of control circuit 4, wherein between the output and water pump M1, M2, M3 and M4 in the water pump group 8 of the controlled end polyphone incoming transport power supply input circuit 5 of KM1, KM2, KM3, KM4, described A.C. contactor KM21 and KM31, KM22 and KM32 constitute star with M1, M2 respectively--and triangle starts the loop.

Wherein A/D change-over circuit 12 is that CS5521 and peripheral electrical equipment thereof, electric capacity constitute by D5;

Photoelectricity coupling circuit 11 is made of TLP521-4 and peripheral component thereof;

Whole device comprises that by one the switch board of control circuit and four water pumps constitute, the pipeline pressure signal that automatic control cabinet detected pressures sensor transmits, when the pipeline pressure value is lower than setting value, start a water pump, through after a while, when pipeline pressure also is lower than the setting pressure low level, start second water pump, through after a while, when also being lower than the setting pressure low level, start the 3rd water pump as pipeline pressure ... until starting the 4th water pump, if when the pipeline pressure value is higher than a setting pressure high position, then stop the 4th water pump; Through after a while, when the platform pipeline pressure also is higher than a setting pressure high position, then stop the 3rd water pump, through after a while, when also being higher than a setting pressure high position, then stop second water pump as pipeline pressure.These four water pumps are not equally big or small, their lift is the same, promptly must guarantee the height of water supply, but flow is arranged in order from big to small, the automatic selection of signal that control circuit in the switch board can come according to the pressure sensor feedback is to start which platform water pump or stop which platform water pump now, the principle that water pump opens, stops is can satisfy that pipeline pressure is higher than the setting pressure low level and the pump power minimum selected, like this, can accomplish both to have guaranteed to supply water, using electricity wisely to greatest extent again, certainly, also can be only with 3 water pumps, even two water pumps water supply.

PA, PV is an ammeter, voltmeter, be used for showing main circuit current, voltage, QF1 is an air switch, be used for controlling opening of main circuit power, close, SB1 is a band button, when it is pressed, control circuit gets, when upspringing, the control circuit dead electricity, because power of motor varies in four water pumps, so only consider two water pump stars--triangle starts, two little water pumps directly start in addition, as shown in the figure, M1, M2 is big motor, KM1, KM21, KM31 forms star--triangle start-up circuit, KM2, KM22, KM32 forms star--the triangle start-up circuit of M2, M3, M4 is a small machine, by KM3, KM4 directly starts, as shown in FIG., by DC power supply circuit 1, button inputting circuits 2, the controller D11 that display circuit 3 and control circuit 4 constitute drives KM1 respectively, KM31, the coil of the A.C. contactor of KM21 is with star--the triangle start of control motor M 1, controller drives KM2 respectively, KM22, the coil of the A.C. contactor of KM32 is so that control motor M 2 stars--triangle start, controller drive KM3 respectively, KM4 is with difference drive motors M3, M4.The signal that KS1 transmits can stop water pump operation immediately, and PY is a pressure sensor, and controller relies on the signal of PY to determine whether opening, cutting off the water pump.

Microprocessor D1 adopts the 89C51 single-chip microcomputer, it is the core of system, be responsible for various computings, D2 is 74HC373, it is display driver chip, the demonstration signal that it is responsible for that single-chip microcomputer is transmitted is sent to digital diode through the driving amplification and goes to show various information, D3, D7 is ULN2083A also for driving chip, the relay that single-chip microcomputer 89C51 transmits leaves, close signal and charactron switching signal through D3, D7 drives to amplify and sends into relay K 1 respectively, K2, K3, K4, K5, K6 and charactron display circuit part, to realize opening of relay, close and the charactron demonstration, D4 is X25045, be that single-chip microcomputer resets and watchdog circuit, it automatically resets when guaranteeing reliable electrification reset of single-chip microcomputer and program fleet, D5 is CS5521, it is the A/D conversion chip, it is transformed into data signal to pipeline hydraulic signal (analog signal) and sends among the single-chip microcomputer D1 and handle, D6 is TLP521-4, be--photoelectric coupled circuit, digital quantity input signal (as the water level switch signal) is sent into D6, send among the single-chip microcomputer D1 to eliminate to disturb through light-coupled isolation, relay K 1, K2, K3, K4, K5 and K6 form relay circuit 15, relay K 1, K2, K3, K4, the control coil of K5 and K6 is connected between the output and dc power anode of relay drive circuit 14, and its controlled end is connected respectively and inserted between the relay control coil of 220V alternating current positive pole and water pump control circuit 7 correspondences.The digital quantity output signal of single-chip microcomputer is fed through relay circuit through overdrive chip D3, D7, to carry out the work that four motors open, stop.

Microprocessor D1 also can adopt atmel corp's 90 series monolithics, Philips company's 87 series and INTEL Corp.'s 86 serial multiple model single-chip microcomputers.

This device is built and safeguarded simply, does not need to set up water tower and high level cistern on high-story house, and is cheap, can control output as required automatically.And the water pollution phenomenon of having avoided the water tower water storage to cause.

Claims

1, a kind of automatic water supply device is characterized in that: it comprises DC power supply circuit (1), button inputting circuits (2), display circuit (3), control circuit (4), ac input circuit (5), water level and pressure detection circuit (6), water pump gauge tap circuit (7) and water pump group (8);

Alternating current is through ac input circuit (5) input, and DC power supply circuit (1) converts alternating current to the DC voltage that uses for each circuit; The external control signal of detected water pipe pressure signal of water level and pressure detection circuit (6) and button inputting circuits (2) is input control circuit (4) respectively, water pump gauge tap circuit (7) is the corresponding water pump assembly switch of conducting under the control of the control signal of control circuit (4), make the water pump of choosing in the water pump group (8) be connected with the AC power of ac input circuit (5) electric work.

2, a kind of automatic water supply device as claimed in claim 1 is characterized in that:

A: described DC power supply circuit (1) comprises that exchanges a rheology parallel operation spare (P1) always, should (P1) alternating current change changing into 24V and the 5V DC voltage of importing be used for each circuit;

B: described button inputting circuits (2) comprises the button (K11) of setting hydraulic pressure upper and lower limit and other parameter, (K21) and (K31);

C: described display circuit (3) comprises the charactron (D1) that links to each other with digital drive circuit in the control circuit (4) and (D2), and the state that is made of light emitting diode (V1), (V2), (V3), (V4), (V5), (V6), (V7) accordingly shows electric light;

D: described control circuit (4) comprises a microprocessor (9) and a watchdog circuit (10), and this microprocessor (9) is accepted the key input signal of pressing from button inputting circuits (2); Water level switch signal from water level and pressure detection circuit (6) inputs to microprocessor (9) behind photoelectricity coupling circuit (11); The pipeline hydraulic signal of water level and pressure detection circuit (6) inputs to microprocessor (9) through A/D change-over circuit (12); The control signal of microprocessor (9) removes to drive display circuit (3) by digital drive circuit (13); Its water pump control signal is delivered to relay circuit (15) by relay drive circuit (14), thereby by the conducting of relay circuit (15) control of pump gauge tap circuit (7);

E: described ac input circuit (5) comprises ammeter PA and voltmeter PV, water pump gauge tap circuit (7) links to each other with alternating current by air switch (QF1), and DC power supply circuit (11) links to each other with ac input circuit (5) by the switch (SB1) of tape light;

F: described water level and pressure detection circuit (6) comprise pressure sensor (PY) and the water level switch (KS1) that is installed in the water supply line;

G: described water pump gauge tap circuit (7) comprises the A.C. contactor (KM1) that control coil links to each other with the relay circuit (15) of control circuit (4), (KM2), (KM3), (KM4), (FM21) and (KM22), wherein (KM1), (KM2), (KM3), the output of controlled end polyphone incoming transport power supply input circuit (5) (KM4) and the water pump (M1) in the water pump group (8), (M2), (M3) and (M4), A.C. contactor (KM21) with (KM31), (KM22) with (KM32) respectively and (M1), (M2) constituting star--triangle starts the loop.

3, a kind of automatic water supply device as claimed in claim 1 is characterized in that described water pump group (8) comprises the power difference but two or more water pumps of lift unanimity.

4, a kind of automatic water supply device as claimed in claim 2, the control coil that it is characterized in that relay K 1, K2, K3, K4, K5 and the K6 of described relay circuit (15) is connected between the output and dc power anode of relay drive circuit (14), and its controlled end is connected respectively and inserted between the relay control coil that the 220V alternating current is anodal and water pump control circuit (7) is corresponding.