CN205809715U

CN205809715U - There is the upper water management circuit of water level display function

Info

Publication number: CN205809715U
Application number: CN201620715006.1U
Authority: CN
Inventors: 刘洪恩; 吴伟
Original assignee: Huaian Vocational College of Information Technology
Current assignee: Huaian Vocational College of Information Technology
Priority date: 2016-07-08
Filing date: 2016-07-08
Publication date: 2016-12-14
Anticipated expiration: 2026-07-08

Abstract

The utility model discloses the upper water management circuit with water level display function, the startup being made up of pump motor the normally opened contact of start button QA, stop button TA and relay J 1 keeps stopping control mode, electrode type water level sensor, Schmidt trigger IC, multiple tube VT, light emitting diode L1 L5 constitute water level display circuit；Start button QA is pressed during upper water, relay J 1 adhesive, pump motor works, start upper water, simultaneously electric display SEA LEVEL VARIATION, the height of water level is represented by the quantity of light emitting diode lighted, and when water is full, light emitting diode L1 L5 all lights, and making relay J 2 adhesive, the normally-closed contact of relay J 2 is connected with stop button TA；The completely rear relay J2 adhesive of water, J1 discharges, and pump motor stops or closed electromagnetic valve, is automatically stopped water；Also upper water can be stopped at any time during upper water；Water level display circuit power-off after water in stopping, protection sensor electrode is not by long-time couple corrosion.

Description

There is the upper water management circuit of water level display function

Technical field

This utility model relates to control circuit, specifically relates to the upper water management circuit with water level display function.

Background technology

Water tank is a kind of tank, is commonly installed aloft.Start during upper water after water is pressurizeed by water pump and pass through pipeline It is transported in tank, or the tap water having pressure is pipelined in tank by opens solenoid valve.At present, water process on water tank In lack water level and show, water level height is the most unknown；Water can not be automatically stopped completely later, needs special messenger the most on duty, manually Control, once leave the post water spill-over to go out, cause water resource waste.

Summary of the invention

The purpose of this utility model is: provide a kind of upper water management circuit with water level display function, during upper water only Need to artificially click start button, be automatically stopped after water is full, stop button can also be clicked at any time during upper water and stop Upper water, it is not necessary to staff on duty, prevents water spill-over from going out, it is to avoid water resource waste.

Technical solution of the present utility model is: this upper water management circuit with water level display function includes control portion Divide and display part；Described control part is as follows: 220V power firestreak (L) connects stop button TA normally-closed contact through fuse FU, The normally-closed contact J2-1 of the relay J 2 of the then completely rear adhesive of water receiving, then connect start button normally opened contact to transformator TR primary line Circle one end, the normally opened contact J1-1 of start button normally opened contact two ends parallel connection relay J 1, another of transformator TR primary coil Termination 220V zero-power line (N)；Transformator uses 220/12V step-down transformer, obtains after BR bridge rectifier, electric capacity C filtering 12V DC source, on the one hand powers for relay J 1, on the other hand powers for water level display part；220V power firestreak (L) warp Fuse FU is followed by another group normally opened contact J1-2 of relay J 1 to a terminal of pump motor, another of pump motor Terminal connects 220V zero-power line (N)；Described water level display part is as follows: use 5 light emitting diode L1 L5 display water levels Different depth, water level detecting uses electrode type water level sensor, and this sensor is by tape insulation crust, length metal electrode not etc. Constituting, the longest for public electrode COM, 5 electrodes that other length does not waits are detecting electrode, 5 kinds of different water of corresponding detection Deeply；Public electrode COM goes directly bottom water tank, and 5 detecting electrodes are deep into differing heights in tank, electrode X1 according to length difference Minimum, raise the most successively, electrode X5 is the highest；Public electrode COM connects DC power anode (+Vcc), and detecting electrode X1 X4 connects Schmidt trigger IC input, inverted rear outfan is followed by light emitting diode L1 L4 negative electrode through current-limiting resistance R1 R4, The anode of light emitting diode L1 L4 connects positive source (+Vcc), and high electrode X5 is followed by by two NPN audions through resistance R0 The base stage of the multiple tube VT being connected into, grounded emitter, colelctor electrode is followed by the negative electrode of light emitting diode L5 through current-limiting resistance R5, luminous The anode of diode L5 connects positive source (+Vcc), succeeds electricity between colelctor electrode and the positive source (+Vcc) of multiple tube VT simultaneously The coil of device J2.

Press start button, pump working or electromagnetic valve during upper water to open, start upper water and show water level in real time；After water is full Water pump is automatically stopped work or electromagnetic valve is automatically switched off, and closes the power supply that water level shows.

This utility model has the advantage that

1, it is automatically stopped, without staff on duty during upper water after water is full, naturally it is also possible to press stop button at any time and stop Upper water；

2, when pressing after start button starts upper water, the change of water level is shown in real time, water level height one mesh in water tank It is clear；

3, the completely rear water level display circuit of water automatically powers off, it is to avoid rotten because being electrified for a long time the long-time electrification to detecting electrode Erosion, extends the service life of electrode type water level sensor.

Accompanying drawing explanation

Fig. 1 is control partial circuit schematic diagram of the present utility model.

Fig. 2 is this utility model water level display part circuit theory diagrams.

Detailed description of the invention

As shown in Figure 1, 2, this upper water management circuit with water level display function includes controlling part and display part；Institute State control part as follows: 220V power firestreak (L) connects stop button TA normally-closed contact, the then completely rear adhesive of water receiving through fuse FU The normally-closed contact J2-1 of relay J 2, then connect start button normally opened contact to transformator TR primary coil one end, start button The normally opened contact J1-1 of normally opened contact two ends parallel connection relay J 1, another termination 220V zero-power line of transformator TR primary coil (N)；Transformator uses 220/12V step-down transformer, obtains 12V DC source, a side after BR bridge rectifier, electric capacity C filtering Face is that relay J 1 is powered, and on the other hand powers for water level display part；220V power firestreak (L) is followed by relay through fuse FU Another group normally opened contact J1-2 of device J1 is to a terminal of pump motor, and another terminal of pump motor connects 220V power supply zero Line (N)；Described water level display part is as follows: use the different depth of 5 light emitting diode L1 L5 display water levels, water level detecting Using electrode type water level sensor, this sensor is made up of tape insulation crust, length metal electrode not etc., the longest for public Electrode COM, 5 electrodes that other length does not waits are detecting electrode, 5 kinds of different depth of waters of corresponding detection；Public electrode COM goes directly Bottom water tank, 5 detecting electrodes are deep into differing heights in tank according to length difference, and electrode X1 is minimum, raises the most successively, Electrode X5 is the highest；Public electrode COM connects DC power anode (+Vcc), and detecting electrode X1 X4 connects Schmidt trigger IC(type Number it is CD40106) input, inverted rear outfan is followed by light emitting diode L1 L4 negative electrode through current-limiting resistance R1 R4, sends out The anode of optical diode L1 L4 connects positive source (+Vcc), and high electrode X5 is followed by being connect by two NPN audions through resistance R0 The base stage of the multiple tube VT become, grounded emitter, colelctor electrode is followed by the negative electrode of light emitting diode L5, luminescence two through current-limiting resistance R5 The anode of pole pipe L5 connects positive source (+Vcc), simultaneously contact relay between colelctor electrode and the positive source (+Vcc) of multiple tube VT The coil of J2.

This utility model uses startup to keep stopping mode controlling pump motor or electromagnetic valve coil and water level shows The power supply of circuit；Clicking start button QA, transformator TR obtains electric, relay J 1 adhesive, its normally opened contact J1-1 Guan Bi, guarantor Hold, water level display circuit obtains electric；Another group normally opened contact J1-2 Guan Bi of relay J 1, pump motor or electromagnetic valve obtain electric, open Water on beginning；Clicking stop button TA, transformator TR dead electricity, relay J 1 discharges, and its normally opened contact J1-1, J1-2 disconnect, and becomes Depressor TR, pump motor or electromagnetic valve dead electricity, water in stopping；During upper water, once water tank reaches peak level, relay J2 adhesive, its normally-closed contact J2-1 disconnects, makes transformator TR, pump motor or electromagnetic valve dead electricity equally, be automatically stopped water.

When in tank anhydrous time, 5 detecting electrodes are obstructed with public electrode, the input of 4 Schmidt trigger IC and multiple The base stage closing pipe VT is low level, and the outfan of 4 Schmidt triggers and the colelctor electrode of multiple tube VT are high level, and 5 Light emitting diode L1 L5 all extinguishes, and relay J 2 discharges.

When there being certain water level in tank, detecting electrode submerged in water is connected with public electrode by water resistance, Shi Mi The input of special trigger is high level, and outfan is low level, and corresponding light emitting diode is lighted；The detection electricity not being submerged Pole is not connected with public electrode, and the input of Schmidt trigger is low level, and outfan is high level, corresponding light-emitting diodes Pipe does not works；Water level is the highest, and water-immersed detecting electrode number is the most, and the number that light emitting diode is lighted is the most, according to L1 The sequential illumination of L5 represents that water level raises successively；When water level arrival highest detection electrode X5, i.e. water tank water are full, execute close for 4 Input and the base stage of multiple tube VT that special device triggers are high level, the outfan of 4 Schmidt triggers and multiple tube VT Colelctor electrode be low level, 5 light emitting diode L1 L5 all light, represent water level the fullest；At this moment relay J 2 adhesive, its Normally-closed contact disconnects, transformator dead electricity, and relay J 1 discharges, and its normally opened contact J1-1, J1-2 disconnect, and pump motor power-off stops Or electromagnetic valve power-off closedown, water in stopping；Water level display circuit dump simultaneously, quits work, and relay J 2 discharges.

Claims

1. there is the upper water management circuit of water level display function, it is characterized in that: it includes controlling part and display part；Described control System part is as follows: 220V power firestreak L connects stop button TA normally-closed contact, the relay of the then completely rear adhesive of water receiving through fuse FU The normally-closed contact J2-1 of device J2, then connect start button normally opened contact to transformator TR primary coil one end, start button is normally opened to be touched The normally opened contact J1-1 of some two ends parallel connection relay J 1, another termination 220V zero-power line N of transformator TR primary coil；Transformation Device uses 220/12V step-down transformer, obtains 12V DC source, be on the one hand relay after BR bridge rectifier, electric capacity C filtering Device J1 powers, and on the other hand powers for water level display part；220V power firestreak L is followed by another of relay J 1 through fuse FU Group normally opened contact J1-2 is to a terminal of pump motor, and another terminal of pump motor meets 220V zero-power line N；Described water Position display part is as follows: using the different depth of 5 light emitting diode L1 L5 display water levels, water level detecting uses electric pole type water Level sensor, this sensor is made up of tape insulation crust, length metal electrode not etc., the longest for public electrode COM, other 5 electrodes that length does not waits are detecting electrode, 5 kinds of different depth of waters of corresponding detection；Public electrode COM goes directly bottom water tank, 5 detecting electrodes are deep into differing heights in tank according to length difference, and electrode X1 is minimum, raises the most successively, and electrode X5 is the highest；Public Common electrode COM meets DC power anode+Vcc, detecting electrode X1 X4 and connects Schmidt trigger IC model is CD40106 input End, inverted rear outfan is followed by light emitting diode L1 L4 negative electrode through current-limiting resistance R1 R4, light emitting diode L1 L4's Anode meets positive source+Vcc, and high electrode X5 is followed by the base stage of the multiple tube VT being connected into by two NPN audions through resistance R0, Grounded emitter, colelctor electrode is followed by the negative electrode of light emitting diode L5 through current-limiting resistance R5, and the anode of light emitting diode L5 connects power supply Positive pole+Vcc, the simultaneously coil of contact relay J2 between colelctor electrode and the positive source+Vcc of multiple tube VT.