CN204140360U - Apparatus for controlling pump, constant voltage speed governer and this micropump, water pump - Google Patents
Apparatus for controlling pump, constant voltage speed governer and this micropump, water pump Download PDFInfo
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- CN204140360U CN204140360U CN201420591571.2U CN201420591571U CN204140360U CN 204140360 U CN204140360 U CN 204140360U CN 201420591571 U CN201420591571 U CN 201420591571U CN 204140360 U CN204140360 U CN 204140360U
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- power tube
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Abstract
A kind of apparatus for controlling pump is provided, constant voltage speed governer and this micropump, water pump, the design utilizes Single-chip Controlling power semiconductor to replace mechanical switch, controllable silicon or insulated gate bipolar transistor IGBT (Insulated Gate Bipolar Transistor) is used to substitute relay and contactor, force value according to pressure transducer feedback carries out real-time scale integral differential PID (Proportion Integration Differentiation) computing to motor in real time, calculate given power of motor, control the opening time of power device, namely the time of given institute energy requirement is controlled, reach energy-conservation and constant pressure, particularly can meet the demand of water pump constant pressure water supply, the realization of small volume pump and micropump can also be realized in addition.
Description
Technical field
The utility model relates to pump control field, the water pump constant voltage speed regulating control in the constant pressure water supply of particularly micropump and water pump etc.
Background technique
Controller great majority are in the past that the break-make of on-off mode controls, relay or contactor, very large to electromechanical shock, not energy-conservation, and the delivery pressure of pump is difficult to reach constant pressure, along with the propelling of energy-conserving and environment-protective, the demand constant to pumping pressure of the not energy-conservation and people of the pump that switch on and off mode controls, relay and contactor control not reach market application requirement.
Model utility content
For above one or more problems, a kind of apparatus for controlling pump is provided, constant voltage speed governer and this micropump, water pump, the design utilizes Single-chip Controlling power semiconductor to replace mechanical switch, controllable silicon or insulated gate bipolar transistor IGBT (Insulated Gate Bipolar Transistor) is used to substitute relay and contactor, force value according to pressure transducer feedback carries out real-time scale integral differential PID (Proportion Integration Differentiation) computing to motor in real time, calculate given power of motor, control the opening time of power device, namely the time of given institute energy requirement is controlled, reach energy-conservation and constant pressure, particularly can meet the demand of water pump constant pressure water supply, the realization of small volume pump and micropump can also be realized in addition.
Technical solutions of the utility model are as follows:
A kind of apparatus for controlling pump, comprise controller, controller comprises single-chip microcomputer, and single-chip microcomputer connects and controls power tube, and controller switches adopts controllable silicon or insulated gate bipolar transistor IGBT.
Further, control gear comprises constant-pressure speed regulating device, and constant-pressure speed regulating device comprises input signal collecting device, zero cross signal treatment device, pressure difference value treatment device, power tube output unit, particularly:
Input signal collecting device, respectively Bonding pressure sensor and civil power, pressure transducer connects pump delivery outlet, and described input signal collecting device connects civil power, realizes by being electrically connected with city by attenuator circuit by corresponding single-chip processor i/o mouth;
Zero cross signal treatment device, the civil power convert information receiving input signal collecting device becomes zero cross signal, obtains the time point of zero passage, sends power tube output unit to;
Pressure difference value treatment device, receives the pressure signal of input signal collecting device, calculates the error amount of current pressure and target constant pressure, calculates power tube open duration and send this signal to power tube output unit by PID;
Power tube output unit, power tube output unit connects zero cross signal treatment device, pressure difference value treatment device, power tube output unit comprises power tube, power tube output unit connects motor, power tube is opened according to the unlatching duration signal obtaining power tube, and the time point of zero cross signal is inputted according to civil power, open before arriving zero point, terminate a makeup energy at zero point temporarily.
A kind of micropump, adopts above-mentioned apparatus for controlling pump.
A kind of water pump, adopts above-mentioned apparatus for controlling pump.
A kind of pump constant voltage speed governer, single-chip microcomputer connects and controls power tube, and controller switches adopts controllable silicon or insulated gate bipolar transistor IGBT.
Further, comprise the single-chip microcomputer collection signal device, pressure compensation arithmetic unit, the power back-off actuating device that connect successively, particularly:
Single-chip microcomputer collection signal device, single-chip microcomputer gathers the pressure signal of civil power input zero cross signal and pressure transducer feedback;
Pressure compensation arithmetic unit, first calculates the error amount of current pressure and target constant pressure, calculates the power tube opening time by PID;
Power back-off actuating device, comprise zero passage signal detection circuit, power tube control circuit, the civil power zero cross signal collected according to single-chip microcomputer and according to PID calculate after the power tube opening time open power tube, by civil power Energy transmission to motor, make motor speed can follow pressure change, power tube is opened before arriving zero point, terminates a makeup energy at zero point temporarily.
A kind of micropump, adopts said pump constant voltage speed governer.
A kind of water pump, adopts said pump constant voltage speed governer.
Accompanying drawing explanation
In Fig. 1 the utility model control gear, zero cross signal mates schematic diagram with the power tube opening time;
Zero passage signal detection circuit figure in Fig. 2 the utility model control gear;
Power tube control circuit figure in Fig. 3 the utility model control gear;
Fig. 4 the utility model constant voltage speed governer principle schematic;
Fig. 5 the utility model control gear principle schematic.
Embodiment
Now in conjunction with the accompanying drawings and embodiments model utility is further detailed:
A kind of apparatus for controlling pump, comprise controller, controller comprises single-chip microcomputer, and single-chip microcomputer connects and controls power tube, and controller switches adopts controllable silicon or insulated gate bipolar transistor IGBT.Control gear comprises constant-pressure speed regulating device, constant-pressure speed regulating device comprises input signal collecting device, zero cross signal treatment device, pressure difference value treatment device, power tube output unit, particularly: input signal collecting device, Bonding pressure sensor and civil power respectively, pressure transducer connects pump delivery outlet, described input signal collecting device connects civil power, realizes by being electrically connected with city by attenuator circuit by corresponding single-chip processor i/o mouth; Zero cross signal treatment device, the civil power convert information receiving input signal collecting device becomes zero cross signal, obtains the time point of zero passage, sends power tube output unit to; Pressure difference value treatment device, receives the pressure signal of input signal collecting device, calculates the error amount of current pressure and target constant pressure, calculates power tube open duration and send this signal to power tube output unit by PID; Power tube output unit, power tube output unit connects zero cross signal treatment device, pressure difference value treatment device, power tube output unit comprises power tube, power tube output unit connects motor, power tube is opened according to the unlatching duration signal obtaining power tube, and the time point of zero cross signal is inputted according to civil power, open before arriving zero point, terminate a makeup energy at zero point temporarily.
A kind of micropump, adopts above-mentioned apparatus for controlling pump.
A kind of water pump, adopts above-mentioned apparatus for controlling pump.
A kind of pump constant voltage speed governer, single-chip microcomputer connects and controls power tube, controller switches adopts controllable silicon or insulated gate bipolar transistor IGBT, also comprise the single-chip microcomputer collection signal device, pressure compensation arithmetic unit, the power back-off actuating device that connect successively, particularly: single-chip microcomputer collection signal device, single-chip microcomputer gathers the pressure signal of civil power input zero cross signal and pressure transducer feedback; Pressure compensation arithmetic unit, first calculates the error amount of current pressure and target constant pressure, calculates the power tube opening time by PID; Power back-off actuating device, comprise zero passage signal detection circuit, power tube control circuit, the civil power zero cross signal collected according to single-chip microcomputer and according to PID calculate after the power tube opening time open power tube, by civil power Energy transmission to motor, make motor speed can follow pressure change, power tube is opened before arriving zero point, terminates a makeup energy at zero point temporarily.Zero passage detection is the Zero Crossing Point recording alternating signal, sinusoidal signal becomes square signal after triode shaping as shown in Figure 1, MCU is detected zero point by detection rising edge or trailing edge, there is zero cross signal can control the opening time of power tube accurately, namely controlled the energy needed for given motor.
A kind of micropump, adopts said pump constant voltage speed governer.
A kind of water pump, adopts said pump constant voltage speed governer.
Wherein, PID dominated formulate: Pout (t)=Kp*e (t)+Ki* Σ e (t)+Kd* (e (t) ?e (t ?1))
Three basic parameters: Kp, Ki, Kd are called proportionality constant, integration constant and derivative constant
E (t) represents basic deviation value, is the difference that set target pressure value deducts current measured pressure value.
Accumulated deviation value Σ (e), Σ (e)=e (t)+e (t ?1)+e (t ?2)+... e (1) is the summation of the deviate measured each time.
Relative standard deviation values e (t) of basic deviation value ?e (t ?1), deduct last basic deviation value with this basic value difference partially.
Output value Pout (t), have just also have negative.
Opening time=10ms+ (10mS*Pout (t)), if the opening time is negative, then closes power tube and export.
Finally should be noted that: above embodiment is only in order to illustrate that technological scheme is not intended to limit; Although be described in detail with reference to preferred embodiment; those of ordinary skill in the field are to be understood that: still can modify to embodiment or carry out equivalent replacement to portion of techniques feature and do not depart from the spirit of scheme, it all should be encompassed in the middle of the technological scheme scope of this case request protection.
Claims (8)
1. an apparatus for controlling pump, comprises controller, it is characterized in that, controller comprises single-chip microcomputer, and single-chip microcomputer connects and controls power tube, and controller switches adopts controllable silicon or insulated gate bipolar transistor IGBT.
2. apparatus for controlling pump according to claim 1, it is characterized in that, control gear comprises constant-pressure speed regulating device, and constant-pressure speed regulating device comprises input signal collecting device, zero cross signal treatment device, pressure difference value treatment device, power tube output unit, particularly:
Input signal collecting device, respectively Bonding pressure sensor and civil power, pressure transducer connects pump delivery outlet, and described input signal collecting device connects civil power, realizes by being electrically connected with city by attenuator circuit by corresponding single-chip processor i/o mouth;
Zero cross signal treatment device, the civil power convert information receiving input signal collecting device becomes zero cross signal, obtains the time point of zero passage, sends power tube output unit to;
Pressure difference value treatment device, receives the pressure signal of input signal collecting device, calculates the error amount of current pressure and target constant pressure, calculates power tube open duration and send this signal to power tube output unit by PID;
Power tube output unit, power tube output unit connects zero cross signal treatment device, pressure difference value treatment device, power tube output unit comprises power tube, power tube output unit connects motor, power tube is opened according to the unlatching duration signal obtaining power tube, and the time point of zero cross signal is inputted according to civil power, open before arriving zero point, terminate a makeup energy at zero point temporarily.
3. a micropump, is characterized in that, adopts any one apparatus for controlling pump described in claim 1 or 2.
4. a water pump, is characterized in that, adopts any one apparatus for controlling pump described in claim 1 or 2.
5. a pump constant voltage speed governer, is characterized in that, single-chip microcomputer connects and controls power tube, and controller switches adopts controllable silicon or insulated gate bipolar transistor IGBT.
6. pump constant voltage speed governer according to claim 5, is characterized in that, comprises the single-chip microcomputer collection signal device, pressure compensation arithmetic unit, the power back-off actuating device that connect successively, particularly:
Single-chip microcomputer collection signal device, single-chip microcomputer gathers the pressure signal of civil power input zero cross signal and pressure transducer feedback;
Pressure compensation arithmetic unit, first calculates the error amount of current pressure and target constant pressure, calculates the power tube opening time by PID;
Power back-off actuating device, comprise zero passage signal detection circuit, power tube control circuit, the civil power zero cross signal collected according to single-chip microcomputer and according to PID calculate after the power tube opening time open power tube, by civil power Energy transmission to motor, make motor speed can follow pressure change, power tube is opened before arriving zero point, terminates a makeup energy at zero point temporarily.
7. a micropump, is characterized in that, adopts any one the pump constant voltage speed governer described in claim 5 or 6.
8. a water pump, is characterized in that, adopts any one the pump constant voltage speed governer described in claim 5 or 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420591571.2U CN204140360U (en) | 2014-10-14 | 2014-10-14 | Apparatus for controlling pump, constant voltage speed governer and this micropump, water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420591571.2U CN204140360U (en) | 2014-10-14 | 2014-10-14 | Apparatus for controlling pump, constant voltage speed governer and this micropump, water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204140360U true CN204140360U (en) | 2015-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420591571.2U Withdrawn - After Issue CN204140360U (en) | 2014-10-14 | 2014-10-14 | Apparatus for controlling pump, constant voltage speed governer and this micropump, water pump |
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| Country | Link |
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| CN (1) | CN204140360U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314795A (en) * | 2014-10-14 | 2015-01-28 | 台州韩进泵业有限公司 | Pump control device, constant-pressure speed regulating control device and method, micro-pump and water pump |
-
2014
- 2014-10-14 CN CN201420591571.2U patent/CN204140360U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314795A (en) * | 2014-10-14 | 2015-01-28 | 台州韩进泵业有限公司 | Pump control device, constant-pressure speed regulating control device and method, micro-pump and water pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150204 Effective date of abandoning: 20170912 |
|
| AV01 | Patent right actively abandoned |