CN102032163A

CN102032163A - Automatic control device for saving water for peasant household

Info

Publication number: CN102032163A
Application number: CN2010105786756A
Authority: CN
Inventors: 张万奎
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-12-08
Filing date: 2010-12-08
Publication date: 2011-04-27

Abstract

The invention discloses a control device for saving water for a peasant household, which is characterized by comprising a CMOS (Complementary Metal-Oxide-Semiconductor Transistor) control circuit board and six water level electrodes, wherein a regulated power supply, a CMOS chip and the water level electrodes on the CMOS control circuit board form two water-level CMOS detection circuits, and a control signal is generated to control a water pump motor to start and stop. The six metal water level electrodes are respectively arranged on the following positions: A. the position at the 3/4 of normal water depth of a well; B. the position of the bottom valve of the water pump; C. the well bottom; a. the position which is 50-100mm below a water tank; b. the position which is near the bottom of the water tank or is 3/5 of the depth of the water tank; and c. the tank bottom. Because of bilateral control, the invention can supply water and save water and electricity.

Description

Peasant household's water saving automatic controller

Technical field

The present invention relates to a kind of water saving fixtures, particularly relate to a kind of rural area water saving automatic controller.

Prior art

China's freshwater resources are in short supply, and lack of water is a hot issue in the whole nation always.According to statistics, the agricultural water amount accounts for 80% of China's total water amount, and the utilization ratio of rural area water has only 45%, and promptly 55% water has slatterned.Reasonable disposition is extremely important to water conservation, and for this reason, we must carry out the strictest water resources management system, and strengthening needs water management, and the strict water total amount of carrying out is controlled, and stops big waste.In addition, change popular understanding, allow everybody feel that it all is money that used each is dripped, and reduces little waste water.Advance water conservation in China rural area, what bring to the peasant is out and out benefit.At present, tap water will be used by the family in rural area, generally is at the place of underground water source abundance pick mouthful well saliva well, builds a water tank on the roof, uses for whole family front yard.Rural households supply water and generally adopt single water level control, just only control the well water level, in the season of rich groundwater, when the water level in the water tank arrives the top, may be owing in the well water be arranged, water pump continues to draw water, make the casual top of water in the water tank, cause the waste of power and water.In addition, when underground water was inadequate, pump working was after a period of time, and the water of well may drop to very low very soon, if at this moment motor continues operation, will cause parts such as water pump idle running damage impeller.

Summary of the invention

The object of the present invention is to provide a kind of bilateral control that realizes water level, both guaranteed to supply water, again farmers''s water saving controller of water-saving and electricity-saving.

The technical solution used in the present invention is: a kind of farmers' water saving controller, it is characterized in that: form by CMOS control circuit board and 6 level electrodes, stabilized power supply on the described CMOS control circuit board, CMOS chip and level electrode are formed two water level CMOS testing circuits, and produce the startup of control signal control of pump motor and stop, described six metal water potential electrodes are provided with as follows: A the well normal depth of flow 3/4 outside, B is in the position of bottom valve of water pump, C is in the well bottom, a is 50～100mm below the water tank top, b position or be located at 3/5 dark place of water tank at the bottom of near water tank, c is at the bottom of case.

Working principle of the present invention: when the water in the well reaches level electrode A, form path between level electrode A, the C, the G1 input end of CMOS testing circuit plate produces a high level signal, be output as low level, thereby make G2 be output as high level, transistor turns, high sensitive relay K1 adhesive, at this moment, level electrode B, C form path while tutorial light and do not work, and illustrating has enough water in pond or the well.If during this time, water in the water tank does not reach level electrode a, do not have path between the b, G3 is input as low level, makes G4 be output as low level, the transistor remain off, not adhesive of high sensitive relay K2, but tutorial light LED2 is bright, few of water in the indication water tank, if LED1 does not work, illustrate that then water pump draws water at this moment.The normally opened contact of K1 and the normally-closed contact of K2 make auxiliary reclay KA1 respectively, the KA2 adhesive, and contactor KM adhesive, motor drags water pump and draws water.As long as the water in the water tank reaches a electrode potential position, form path by water between a, the b, G3, G4,, the V2 upset, LED2 extinguishes, the K2 adhesive, normally-closed contact K2 makes KA2, KM dead electricity, and motor stops, water pump quits work, prevented from that water pump from continuing to draw water to cause water tank overflow, thus water-saving and electricity-saving.When the drawdown in the water tank during to the b electrode potential, b disconnects between the c, produces a low level signal for cmos nand gate G3, and G4 is output as low level, V2 ends, and LED2 is bright, the K2 dead electricity, at this moment, electrode A, B, C detect water in the well, the power connection of pump motor begins again to draw water.Water in well is lower than the level electrode B of bottom valve of water pump position, does not have UNICOM between A, the B, and V1 ends, K1 dead electricity, KA1 dead electricity.At this moment, no matter whether water tank has water, motor can not worked, and has avoided the water pump free-runing operation.

The present invention is owing to be bilateral control, has can guarantee to supply water advantage that again can water-saving and electricity-saving.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the testing circuit of the water level in the well;

Fig. 3 is the testing circuit of the water level in the water tank;

Wherein, a, b, c are 3 level electrodes that are arranged in the water tank; A, B, C are 3 level electrodes that are arranged in the well.

Embodiment

The invention will be further described with embodiment with reference to the accompanying drawings below:

As can be seen from Figure 1, the present invention is made up of CMOS control circuit board 2 and 6 level electrodes 3, CMOS control circuit board 2 links with level electrode, pump motor 1 respectively, stabilized power supply on the CMOS control circuit board, CMOS chip and level electrode are formed two water level CMOS testing circuits, form two water level CMOS testing circuits, and produce the startup of control signal control of pump motor 1 and stop, 4 AND NOT gate G1, G2, G3, G4 are arranged on the CMOS chip.As can be seen from Figure 2, the water level CMOS testing circuit of well is made up of the AND NOT gate G1 on the CMOS control circuit board, G2 and transistor V1, high sensitive relay K1, signaling lamp LED1, auxiliary reclay KA1, resistance, 3 metal water potential electrodes are to be provided with like this: A the well normal depth of flow 3/4 outside, B is in the position of bottom valve of water pump, and C is in the well bottom.As can be seen from Figure 3, the water level CMOS testing circuit of well is made up of the AND NOT gate G3 on the CMOS control circuit board, G4 and transistor V2, high sensitive relay K2, signaling lamp LED2, auxiliary reclay KA2, resistance, 3 metal water potential electrodes are to be provided with like this: a is 50～100mm below the water tank top, b position at the bottom of near tower, in order to guarantee also there is more water under the power-off condition in the water tower, b also can be located at 3/5 dark place of tower, and c is at the bottom of tower.

Control procedure of the present invention: when the water in the well reaches level electrode A, form path between level electrode A, the C, the G1 input end produces a high level signal, is output as low level, thereby makes G2 be output as high level, transistor V1 conducting, high sensitive relay K1 adhesive, at this moment, K1 normally opened contact adhesive on the electrode B branch road, electrode B and C form path while LED1 and do not work, and illustrating has enough water in pond or the well.If during this time, the water in the water tank does not reach level electrode a, does not have path between the b, and G3 is input as low level, make G4 be output as low level, the V2 remain off, not adhesive of K2, but LED2 is bright, few of water in the indication water tank if LED1 does not work, illustrates that then water pump draws water at this moment.The normally opened contact of K1 and the normally-closed contact of K2 make auxiliary reclay KA1 respectively, the KA2 adhesive, and contactor KM adhesive, motor drags water pump and draws water.As long as the water in the water tank reaches a electrode potential position, form path by water between a, the b, G3, G4, V2 upset, LED2 extinguishes, the K2 adhesive, normally-closed contact K2 makes KA2, KM dead electricity, and motor stops, water pump quits work, prevented from that water pump from continuing to draw water to cause water tank overflow, thus water-saving and electricity-saving.When the drawdown in the water tank during to the b electrode potential, b disconnects between the c, produces a low level signal for cmos nand gate G3, and G4 is output as low level, V2 ends, and LED2 is bright, the K2 dead electricity, at this moment, electrode A, B, C detect water in the well, the power connection of pump motor begins again to draw water.Water in well is lower than the level electrode B of bottom valve of water pump position, does not have UNICOM between A, the B, and V1 ends, K1 dead electricity, KA1 dead electricity.At this moment, no matter whether water tank has water, motor can not worked, and has avoided the water pump free-runing operation.

The present invention is simple in structure, reliable in action, and control gear goes for the pump motor group of all size, and is applied widely.

Claims

1. farmers''s water saving controller, it is characterized in that: form by CMOS control circuit board and 6 level electrodes, stabilized power supply on the described CMOS control circuit board, CMOS chip and level electrode are formed two water level CMOS testing circuits, and produce the startup of control signal control of pump motor and stop, described six metal water potential electrodes are provided with as follows: A the well normal depth of flow 3/4 outside, B is in the position of bottom valve of water pump, C is in the well bottom, a is 50～100mm below the water tank top, b position or be located at 3/5 dark place of water tank at the bottom of near water tank, c is at the bottom of case.