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washer jet Pump

Discussion in 'Automotive Electronics' started by Parth86, Aug 19, 2015.

  1. Parth86

    Parth86 Member

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    Hello

    I am trying to design system that will control flow of water using micro controller. I need to flow only 10 ml water I saw washer jet pump. I don't understand how to connect washer jet pump with micro controller

    look the Image of washer jet pump and tell me how to connect with microcontroller ?
     

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  2. crutschow

    crutschow Well-Known Member Most Helpful Member

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    The image gives no info on how the pump operates, so it's difficult to give a solution to your problem.
     
  3. MikeMl

    MikeMl Well-Known Member Most Helpful Member

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    How many pins in the connector? (I'll guess two). Connect 12Vdc between the pins. If it pumps backwards, reverse the wires.
     
  4. dave

    Dave New Member

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  5. Parth86

    Parth86 Member

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    I still have not decided which pump to buy. I posted that Image to understand the connection of washer jet pump
    I don't know, that model in picture is whole washer pump or just nozzle
    Look my another image that explain actually what I need to do
     

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    Last edited by a moderator: Aug 20, 2015
  6. MikeMl

    MikeMl Well-Known Member Most Helpful Member

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    Where are the float-level switches to shut off the pump when the desired level is reached?
     
  7. Parth86

    Parth86 Member

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    I said , I don't know, model in picture is whole washer pump or just nozzle, I made handy diagram I don't know that contain with float-level switch or I have to buy float-level switch

    I just asking you to select washer jet pump . I did google search, I thinks there are one inlet and one outlet and two wires for supply.as you said I think I have to buy float level switch
     
    Last edited by a moderator: Aug 20, 2015
  8. MikeMl

    MikeMl Well-Known Member Most Helpful Member

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    Almost all of these tiny pumps use a permanent-magnet DC motor, which means they will run backwards if the supply polarity is reversed. Here about's, I would go to a car junk yard, and pull one off a dead car. I would look for one that has only two terminals on its connector. That way I'm guaranteed to make it run...
     
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  9. Parth86

    Parth86 Member

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    please look another image

    my task
    1. add the nutrient soluation from bottle into water tank ( add only 10 ml every week)
    2. recirculating mix of water and soluation until level of mixer is down in tray tube

    I think you could tell me better, please look at image and tell me what i need ,
    washer jet pump
    water jet pump
    flot switch
    anything else
     

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    Last edited by a moderator: Aug 20, 2015
  10. MaxHeadRoom78

    MaxHeadRoom78 Active Member

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    If you want a accurate and cheap method of a metered pump, a peristaltic dosing type may be the choice, they are low cost (~$10.00) and meter fairly accurately, if are controlling from ┬Áp then the time on can be accurately controlled.
    Possibly no float sw needed.
    Use a logic level Mosfet for the motor.
    Max.
     
    Last edited: Aug 20, 2015
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  11. dougy83

    dougy83 Well-Known Member

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    You'd also want a backflow valve in there so that the water or nutrient doesn't just syphon when the pump is off.

    Any positive-displacement type pump would allow you to control how much is pumped (count the revolutions), and has built-in anti-backflow mechanisms. E.g. the peristaltic pump (mentioned above), or a piston or diaphragm pump, which can be around $5. The centrifugal pump, like the one you showed, will not allow very good flow rate/volume control without an additional flow meter.
     
  12. Parth86

    Parth86 Member

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  13. MaxHeadRoom78

    MaxHeadRoom78 Active Member

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    The rpm of a peristaltic pump is typically ~ 3rpm so it is usually easy to fairly accurately control the dosing by time on.
    For 100ma load, you may get away with a 2n7000 mosfet to drive it.
    Max.
     
  14. Parth86

    Parth86 Member

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    1. reuse soluation until level of soluation goes down
    2. add NPK into soluation tank

    I need two different motor pump to achieve two task. If two motor pump run at one time its very costly. Is there a any way so that I can reduce the cost of project
     

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  15. MaxHeadRoom78

    MaxHeadRoom78 Active Member

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    What is the load of the second pump? The Peristaltic you show is only 100ma?
    How are they powered?
    Max.
     
  16. Parth86

    Parth86 Member

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    second pump is also Peristaltic pump. can we do with two task with just one pump and If yes then what I have to do ?
     
  17. MaxHeadRoom78

    MaxHeadRoom78 Active Member

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    What is your power source that makes it difficult to use the two small motors, both have fairly trivial current?
    Max.
     
  18. Parth86

    Parth86 Member

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    I am using two 9v dc battery
     
  19. MaxHeadRoom78

    MaxHeadRoom78 Active Member

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    Not sure how you could use one pump for both applications?
    Could you not use a Li-Po rechargeable battery?
    Max.
     

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