CN107800297A - A kind of reduction voltage circuit for brush DC intelligent water pump controller - Google Patents
A kind of reduction voltage circuit for brush DC intelligent water pump controller Download PDFInfo
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- CN107800297A CN107800297A CN201711115136.7A CN201711115136A CN107800297A CN 107800297 A CN107800297 A CN 107800297A CN 201711115136 A CN201711115136 A CN 201711115136A CN 107800297 A CN107800297 A CN 107800297A
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- resistance
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- electric capacity
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
- H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
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- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention discloses a kind of reduction voltage circuit for brush DC intelligent water pump controller, including resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, electric capacity C5, triode Q1, triode Q2, triode Q3, diode D1, diode D2, inductance L1.The present invention is in the case of without using transformer, metal-oxide-semiconductor and control chip, in the case of a small amount of triode, diode, resistance, electric capacity, inductance only is used only, the 48V DC voltages being externally supplied are changed into the DC voltage that suitable intelligent water pump controller uses, there is simple in construction, compatible strong, high financial profit, reliable and stable.
Description
Technical field
It is more particularly to a kind of to be used for brush DC intelligent water pump controller the invention belongs to intelligent water pump technical field
Reduction voltage circuit.
Background technology
DC water pump is the machinery for conveying liquid or being pressurized liquid, and it is by the mechanical energy of motor or other external energies
Liquid is transmitted, increases liquid energy, is mainly used to convey liquid, admixture of gas and the liquid containing suspended solids,
It is mainly used in the fields such as water-cooling system, solar fountain, water dispenser, washing machine, shower.DC water pump work on the market at present
Making voltage typically has 12V, 24V, 48V etc., has generally all supported the use water pump controller, according to hydraulic pressure, the flow etc. detected
Data mode deactivation stops water pump, and prevents the fortuitous events such as dry turn of water pump from occurring.Current most of controller power sources are all
It is the electricity for being converted into being available for intelligent water pump controller to work by the DC voltage of input by transformer, metal-oxide-semiconductor and control chip
Press, other hardware composition is also needed in practical application circuit, circuit structure is complicated and cost is higher, and it is small-sized to be not suitable for brush DC
Water pump.
The content of the invention
The purpose of the present invention is：A kind of reduction voltage circuit for brush DC intelligent water pump controller is provided, without using
In the case of transformer, metal-oxide-semiconductor and control chip, the DC voltage being externally supplied is changed into suitable intelligent water pump controller makes
DC voltage, there is simple in construction, compatible strong, high financial profit, reliable and stable.
The solution of the present invention is：A kind of reduction voltage circuit for brush DC intelligent water pump controller, including resistance R1, electricity
Hinder R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, electric capacity C1, electric capacity C2, electric capacity C3, electricity
Hold C4, electric capacity C5, triode Q1, triode Q2, triode Q3, diode D1, diode D2, inductance L1；
Resistance R1 one end connects 48V DC power anodes, one end connecting triode Q1 emitting stage；Electric capacity C1 positive pole connects
Connect triode Q1 emitting stage, negative pole ground connection；Resistance R2 is connected in parallel between triode Q1 emitting stage and base stage；Resistance R3 is in parallel
Between triode Q1 emitting stage and triode Q2 base stage；Resistance R4 mono- terminates triode Q2 emitter stage, one end ground connection；
Electric capacity C4 is in parallel with resistance R4；Triode Q1 base stage is connected with triode Q2 emitter stage；Diode D1 positive pole and three poles
Pipe Q1 current collection level connection, negative pole ground connection；Inductance L1 one end and triode Q1 current collection level, resistance R5 are connected, one end and electric capacity
C2 positive pole connection；Electric capacity C2 negative pole ground connection, electric capacity C3 are in parallel with electric capacity C2；Resistance R5 passes through electric capacity C5's and triode Q2
Base stage connects；Triode Q2 base stage is connected with triode Q3 colelctor electrode；Resistance R7 be connected in parallel on triode Q3 colelctor electrode and
Between emitter stage；Triode Q3 grounded emitter；Resistance R8 one end is connected with triode Q3 base stage, one end ground connection；Two
Pole pipe D2 negative pole is connected with triode Q3 base stage, and positive pole is connected with resistance R6, and resistance the R6 other end and electric capacity C2 are just
Pole connects；Resistance R9 one end is connected with diode D2 positive pole, one end ground connection；
Diode D1 is used for afterflow, provides discharge loop for inductance L1, inductance L1 electric discharges start to charge up at once after terminating；Two
Pole pipe D2 is used for voltage stabilizing, voltage of voltage regulation 5.1V, coordinates resistance R6, resistance R9 output detection, makes the voltage of the 48V power supplys of input
It is depressurized to 12VDC；Triode Q1 is used as driving switch pipe；
After 48V dc sources are connected, by the resistance R1 for current limliting, filtered through electric capacity C1, then pass through resistance R3, resistance
R4, electric capacity C4 turn on triode Q2, then triode Q1 ON operations；48V dc sources are given by triode Q1, inductance L1
Electric capacity C2 and electric capacity C3 chargings, out-put supply VCC slowly rise；Resistance R6 and resistance R9 forms voltage-dividing detection circuit, works as output
When power supply VCC voltages rise to 12VDC, triode Q3 conductings, and cause triode Q2 to close, and then close triode Q1 and close；
Now, 48V dc sources no longer charge to electric capacity C2 and electric capacity C3；When out-put supply VCC load electricity consumption makes out-put supply VCC
When voltage is down to below 12VDC, triode Q3 is closed, and so as to which triode Q2 and triode Q1 is successively turned in circuit, makes output
Power supply VCC voltages fluctuate above and below 12VDC；Electric capacity C2 and electric capacity C3 discharge and recharge, out-put supply VCC voltage stabilizations are made to exist
12VDC。
Further, resistance R1 resistances be 10 ohm, resistance R2 resistances are 2k ohms, resistance R3 resistances be 20k ohms,
Resistance R4 resistances are 10k ohms, resistance R5 resistances are 1.5k ohms, resistance R6 resistances are 2.7k ohms, resistance R7 resistances are 20k
Ohm, resistance R8 resistances are 1k ohms, resistance R9 resistances are 3k ohms；Electric capacity C1 is 106pF patch capacitors, electric capacity C2 is 47 μ
Patch capacitor that F/25V electrochemical capacitor, electric capacity C3 is 104pF, electric capacity C4 are 103pF patch capacitors, electric capacity C5 is 103pF patches
Chip capacitor；Triode Q1 is MJD32C type triodes, and triode Q2 and triode Q3 are MMBT5551 type triodes；Diode D1
For US1M type diodes, diode D2 is ZMM5.1 type diodes；Inductance L1 is 47 μ H.
The present invention is in the case of without using transformer, metal-oxide-semiconductor and control chip, only using only a small amount of triode, two
In the case of pole pipe, resistance, electric capacity, inductance, the 48V DC voltages being externally supplied are changed into suitable intelligent water pump controller makes
DC voltage, there is simple in construction, compatible strong, high financial profit, reliable and stable.
Brief description of the drawings
Fig. 1 is circuit theory diagrams of the present invention.
Embodiment
Embodiment 1：Referring to Fig. 1, a kind of reduction voltage circuit for brush DC intelligent water pump controller, it is characterised in that
Including resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, electric capacity C1, electricity
Hold C2, electric capacity C3, electric capacity C4, electric capacity C5, triode Q1, triode Q2, triode Q3, diode D1, diode D2, inductance
L1；
Resistance R1 one end connects 48V DC power anodes, one end connecting triode Q1 emitting stage；Electric capacity C1 positive pole connects
Connect triode Q1 emitting stage, negative pole ground connection；Resistance R2 is connected in parallel between triode Q1 emitting stage and base stage；Resistance R3 is in parallel
Between triode Q1 emitting stage and triode Q2 base stage；Resistance R4 mono- terminates triode Q2 emitter stage, one end ground connection；
Electric capacity C4 is in parallel with resistance R4；Triode Q1 base stage is connected with triode Q2 emitter stage；Diode D1 positive pole and three poles
Pipe Q1 current collection level connection, negative pole ground connection；Inductance L1 one end and triode Q1 current collection level, resistance R5 are connected, one end and electric capacity
C2 positive pole connection；Electric capacity C2 negative pole ground connection, electric capacity C3 are in parallel with electric capacity C2；Resistance R5 passes through electric capacity C5's and triode Q2
Base stage connects；Triode Q2 base stage is connected with triode Q3 colelctor electrode；Resistance R7 be connected in parallel on triode Q3 colelctor electrode and
Between emitter stage；Triode Q3 grounded emitter；Resistance R8 one end is connected with triode Q3 base stage, one end ground connection；Two
Pole pipe D2 negative pole is connected with triode Q3 base stage, and positive pole is connected with resistance R6, and resistance the R6 other end and electric capacity C2 are just
Pole connects；Resistance R9 one end is connected with diode D2 positive pole, one end ground connection；
Diode D1 is used for afterflow, provides discharge loop for inductance L1, inductance L1 electric discharges start to charge up at once after terminating；Two
Pole pipe D2 is used for voltage stabilizing, voltage of voltage regulation 5.1V, coordinates resistance R6, resistance R9 output detection, makes the voltage of the 48V power supplys of input
It is depressurized to 12VDC；Triode Q1 is used as driving switch pipe；
After 48V dc sources are connected, by the resistance R1 for current limliting, filtered through electric capacity C1, then pass through resistance R3, resistance
R4, electric capacity C4 turn on triode Q2, then triode Q1 ON operations；48V dc sources are given by triode Q1, inductance L1
Electric capacity C2 and electric capacity C3 chargings, out-put supply VCC slowly rise；Resistance R6 and resistance R9 forms voltage-dividing detection circuit, works as output
When power supply VCC voltages rise to 12VDC, triode Q3 conductings, and cause triode Q2 to close, and then close triode Q1 and close；
Now, 48V dc sources no longer charge to electric capacity C2 and electric capacity C3；When out-put supply VCC load electricity consumption makes out-put supply VCC
When voltage is down to below 12VDC, triode Q3 is closed, and so as to which triode Q2 and triode Q1 is successively turned in circuit, makes output
Power supply VCC voltages fluctuate above and below 12VDC；Electric capacity C2 and electric capacity C3 discharge and recharge, out-put supply VCC voltage stabilizations are made to exist
12VDC。
Embodiment 2：Referring to Fig. 1, in a kind of base of the reduction voltage circuit for brush DC intelligent water pump controller of embodiment 1
On plinth, resistance R1 resistances are 10 ohm, and resistance R2 resistances are 2k ohms, resistance R3 resistances are 20k ohms, resistance R4 resistances are
10k ohms, resistance R5 resistances are 1.5k ohms, resistance R6 resistances are 2.7k ohms, resistance R7 resistances are 20k ohms, resistance R8
Resistance is 1k ohms, resistance R9 resistances are 3k ohms；The electrolysis that electric capacity C1 is 106pF patch capacitors, electric capacity C2 is 47 μ F/25V
Patch capacitor that electric capacity, electric capacity C3 are 104pF, electric capacity C4 are 103pF patch capacitors, electric capacity C5 is 103pF patch capacitors；Three poles
Pipe Q1 is MJD32C type triodes, and triode Q2 and triode Q3 are MMBT5551 type triodes；Diode D1 is US1M types two
Pole pipe, diode D2 are ZMM5.1 type diodes；Inductance L1 is 47 μ H.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
The equivalents that bright specification and accompanying drawing content are made, or the technical field of correlation is directly or indirectly used in, similarly include
In the scope of patent protection of the present invention.
Claims (2)
- A kind of 1. reduction voltage circuit for brush DC intelligent water pump controller, it is characterised in that including resistance R1, resistance R2, Resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, Electric capacity C5, triode Q1, triode Q2, triode Q3, diode D1, diode D2, inductance L1；Resistance R1 one end connects 48V DC power anodes, one end connecting triode Q1 emitting stage；Electric capacity C1 positive pole connection three Pole pipe Q1 emitting stage, negative pole ground connection；Resistance R2 is connected in parallel between triode Q1 emitting stage and base stage；Resistance R3 is connected in parallel on three Between pole pipe Q1 emitting stage and triode Q2 base stage；Resistance R4 mono- terminates triode Q2 emitter stage, one end ground connection；Electric capacity C4 is in parallel with resistance R4；Triode Q1 base stage is connected with triode Q2 emitter stage；Diode D1 positive pole and triode Q1 Current collection level connection, negative pole ground connection；Inductance L1 one end and triode Q1 current collection level, resistance R5 are connected, and one end is with electric capacity C2's Positive pole connects；Electric capacity C2 negative pole ground connection, electric capacity C3 are in parallel with electric capacity C2；The base stage that resistance R5 passes through electric capacity C5 and triode Q2 Connection；Triode Q2 base stage is connected with triode Q3 colelctor electrode；Resistance R7 is connected in parallel on triode Q3 colelctor electrode and transmitting Between pole；Triode Q3 grounded emitter；Resistance R8 one end is connected with triode Q3 base stage, one end ground connection；Diode D2 negative pole is connected with triode Q3 base stage, and positive pole is connected with resistance R6, and the resistance R6 other end connects with electric capacity C2 positive pole Connect；Resistance R9 one end is connected with diode D2 positive pole, one end ground connection；Diode D1 is used for afterflow, provides discharge loop for inductance L1, inductance L1 electric discharges start to charge up at once after terminating；Diode D2 is used for voltage stabilizing, voltage of voltage regulation 5.1V, coordinates resistance R6, resistance R9 output detection, makes the voltage step-down of the 48V power supplys of input To 12VDC；Triode Q1 is used as driving switch pipe；After 48V dc sources are connected, by the resistance R1 for current limliting, filtered through electric capacity C1, then by resistance R3, resistance R4, Electric capacity C4 turns on triode Q2, then triode Q1 ON operations；48V dc sources are by triode Q1, inductance L1 to electricity Hold C2 and electric capacity C3 chargings, out-put supply VCC slowly rises；Resistance R6 and resistance R9 forms voltage-dividing detection circuit, when output electricity When source VCC voltages rise to 12VDC, triode Q3 conductings, and cause triode Q2 to close, and then close triode Q1 and close；This When, 48V dc sources no longer charge to electric capacity C2 and electric capacity C3；When out-put supply VCC load electricity consumption makes out-put supply VCC electric When pressure drop is to below 12VDC, triode Q3 is closed, and so as to which triode Q2 and triode Q1 is successively turned in circuit, makes output electric Source VCC voltages fluctuate above and below 12VDC；Electric capacity C2 and electric capacity C3 discharge and recharge, make out-put supply VCC voltage stabilizations in 12VDC.
- A kind of 2. reduction voltage circuit for brush DC intelligent water pump controller as claimed in claim 1, it is characterised in that：Electricity It is 10 ohm to hinder R1 resistances, resistance R2 resistances are 2k ohms, resistance R3 resistances are 20k ohms, resistance R4 resistances be 10k ohms, Resistance R5 resistances are 1.5k ohms, resistance R6 resistances are 2.7k ohms, resistance R7 resistances are 20k ohms, resistance R8 resistances are 1k Ohm, resistance R9 resistances are 3k ohms；Electrochemical capacitor, the electric capacity that electric capacity C1 is 106pF patch capacitors, electric capacity C2 is 47 μ F/25V Patch capacitor that C3 is 104pF, electric capacity C4 are 103pF patch capacitors, electric capacity C5 is 103pF patch capacitors；Triode Q1 is MJD32C type triodes, triode Q2 and triode Q3 are MMBT5551 type triodes；Diode D1 is US1M type diodes, two Pole pipe D2 is ZMM5.1 type diodes；Inductance L1 is 47 μ H.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711115136.7A CN107800297A (en) | 2017-11-13 | 2017-11-13 | A kind of reduction voltage circuit for brush DC intelligent water pump controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711115136.7A CN107800297A (en) | 2017-11-13 | 2017-11-13 | A kind of reduction voltage circuit for brush DC intelligent water pump controller |
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| Publication Number | Publication Date |
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| CN107800297A true CN107800297A (en) | 2018-03-13 |
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|---|---|---|---|
| CN201711115136.7A Pending CN107800297A (en) | 2017-11-13 | 2017-11-13 | A kind of reduction voltage circuit for brush DC intelligent water pump controller |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109220738A (en) * | 2018-08-08 | 2019-01-18 | 浙江大学 | A kind of potting soil humidity control device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103904887A (en) * | 2012-12-28 | 2014-07-02 | 深圳市海洋王照明工程有限公司 | Self-excited buck circuit and light fixture |
-
2017
- 2017-11-13 CN CN201711115136.7A patent/CN107800297A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103904887A (en) * | 2012-12-28 | 2014-07-02 | 深圳市海洋王照明工程有限公司 | Self-excited buck circuit and light fixture |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109220738A (en) * | 2018-08-08 | 2019-01-18 | 浙江大学 | A kind of potting soil humidity control device |
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Application publication date: 20180313 |
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| RJ01 | Rejection of invention patent application after publication |