For multi-storey buildings where water tanks could be at considerable heights over building terraces, monitoring the levels automatically could become a major issue. RF remote control modules have become pretty cheap nowadays which could be effectively used for solving the inconvenience. Let's learn the integration for the same, requested by Mr. Sriram kp.
The Request
In this circuit:
2. I am planning to implement this circuit for my home over tank. Bocz am in 1st floor and tank is in 5th floor. In the above circuit, Instead of the push switches in the transmitter section, if i arrange the terminals D0-D3 inside the tank means, as the water raising, the one by one D0-D3 will get in contact through the water and this wil transmit the signal to the receiver. So the output LEDs in the receiver wil turn on according to water level.
3. In transmitter, suppose D0 is the tank empty state means there will be no contact to none of the terminals inside the tank, so the LED in the D0 of receiver will turn off, at this state the motor should turn on.
4. After the water level started raising, the D3 of the transmitter will get contact , so the D3 LED of receiver wil turn on . At this state the motor should turn off.
Please provide me the circuit for this...
Thankyou..
The circuit may be understood as given under:
Here we incorporate two separate stages, one is our automatic water level controller circuit and the other is the RF remote control circuit.
The remote control has a Tx (transmitter) and and Rx (receiver). The transmitter is triggered through four discrete switches which encode and transmit the signals discretely into the atmosphere.
The receiver captures these signals, decodes it and sends it to one of the four outputs relevant to the decoded info.
This output responds by becoming high as long as the corresponding Tx switch is kept depressed.
The idea of the proposed water level controller through a remote control module is to press the Tx switches via relay contacts actuated by the water level controller circuit in response to the various water level conditions, as configured by the user.
The same has been implemented in the discussed design.
Referring to the figure, the gates gates N1 to N4 form the automatic water level controller circuit wherein the motor is switched ON when the level reaches a minimum lower threshold, and is switched OFF as soon as the level reaches the brim of the tank. Originally Relay R1 was used for activating the motor by wiring its contacts to the motor and mains.
However for the present application, RL1 is rigged to one of the switches of the Tx module (S1)
It means now the Tx pin10 is engaged with the transmission of the signals as soon as RL1 is energized which happens on detection of an empty water tank.
Once this happens, the Rx responds by receiving the signals and triggering its own relay connected with the corresponding pinout.
This relay then activates the distant underground or overhead motor for the required water pumping.
The circuit diagram also shows three gates N5, N6, N7 which are configured as NOT gates for sensing the different water levels across the tank while the water is being pumped.
In the course these gates activate their own relays, which in turn close S2, S3, S4 for the necessary transmissions from the Tx to Rx.
The above transmissions are appropriately collected by the Rx, decoded and fed across its relevant outputs for illuminating the connected LEDs.
These LEDs provide the user with the info regarding the gradually filling water tank.
Thus the remote controlled triggering feature of the water level controller facilitates the owner a wireless and hassle free option of monitoring and controlling a distant situated tank.
The following figure shows the wiring details of the Rx or the receiver stage responsible for the toggling of the pump motor and various water level indications, in response to the Tx triggering signals.
The RF modules can be sutudied in detail below:
http://homemadecircuitsandschematics.blogspot.in/2013/07/simple-100-meter-rf-module-remote.html
Parts List for the water level controller stage (N1----N4):
The Request
In this circuit:
2. I am planning to implement this circuit for my home over tank. Bocz am in 1st floor and tank is in 5th floor. In the above circuit, Instead of the push switches in the transmitter section, if i arrange the terminals D0-D3 inside the tank means, as the water raising, the one by one D0-D3 will get in contact through the water and this wil transmit the signal to the receiver. So the output LEDs in the receiver wil turn on according to water level.
3. In transmitter, suppose D0 is the tank empty state means there will be no contact to none of the terminals inside the tank, so the LED in the D0 of receiver will turn off, at this state the motor should turn on.
4. After the water level started raising, the D3 of the transmitter will get contact , so the D3 LED of receiver wil turn on . At this state the motor should turn off.
Please provide me the circuit for this...
Thankyou..
The circuit may be understood as given under:
Here we incorporate two separate stages, one is our automatic water level controller circuit and the other is the RF remote control circuit.
The remote control has a Tx (transmitter) and and Rx (receiver). The transmitter is triggered through four discrete switches which encode and transmit the signals discretely into the atmosphere.
The receiver captures these signals, decodes it and sends it to one of the four outputs relevant to the decoded info.
This output responds by becoming high as long as the corresponding Tx switch is kept depressed.
The idea of the proposed water level controller through a remote control module is to press the Tx switches via relay contacts actuated by the water level controller circuit in response to the various water level conditions, as configured by the user.
The same has been implemented in the discussed design.
Referring to the figure, the gates gates N1 to N4 form the automatic water level controller circuit wherein the motor is switched ON when the level reaches a minimum lower threshold, and is switched OFF as soon as the level reaches the brim of the tank. Originally Relay R1 was used for activating the motor by wiring its contacts to the motor and mains.
However for the present application, RL1 is rigged to one of the switches of the Tx module (S1)
It means now the Tx pin10 is engaged with the transmission of the signals as soon as RL1 is energized which happens on detection of an empty water tank.
Once this happens, the Rx responds by receiving the signals and triggering its own relay connected with the corresponding pinout.
This relay then activates the distant underground or overhead motor for the required water pumping.
The circuit diagram also shows three gates N5, N6, N7 which are configured as NOT gates for sensing the different water levels across the tank while the water is being pumped.
In the course these gates activate their own relays, which in turn close S2, S3, S4 for the necessary transmissions from the Tx to Rx.
The above transmissions are appropriately collected by the Rx, decoded and fed across its relevant outputs for illuminating the connected LEDs.
These LEDs provide the user with the info regarding the gradually filling water tank.
Thus the remote controlled triggering feature of the water level controller facilitates the owner a wireless and hassle free option of monitoring and controlling a distant situated tank.
The following figure shows the wiring details of the Rx or the receiver stage responsible for the toggling of the pump motor and various water level indications, in response to the Tx triggering signals.
The RF modules can be sutudied in detail below:
http://homemadecircuitsandschematics.blogspot.in/2013/07/simple-100-meter-rf-module-remote.html
Parts List for the water level controller stage (N1----N4):
R1 = 100K,
R2, R3 = 2M2,
R4, R5, R6, R7, R8, R9, R10, R11= 10K,
T1 = BC547,
T2, T3, T4 = BC557
T2, T3, T4 = BC557
D1, D2 = 1N4148,
All RELAYs = 12V, 400 OHMS, SPDT, contact amps as per load specs.
N1, N2, N3, N4, N5, N6, N7 = IC 4093 (2nos.)
The last unused gate (N8) input must be terminated to ground or (+), output may be kept open.
The above circuit was built and successfully tested by Mr. Sriram kp. The following images exhibit the results of his outstanding efforts:
N1, N2, N3, N4, N5, N6, N7 = IC 4093 (2nos.)
The last unused gate (N8) input must be terminated to ground or (+), output may be kept open.
The above circuit was built and successfully tested by Mr. Sriram kp. The following images exhibit the results of his outstanding efforts:
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