CN207868998U - A kind of high power switching power supply for electrolysis water electrolytic cell - Google Patents
A kind of high power switching power supply for electrolysis water electrolytic cell Download PDFInfo
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- CN207868998U CN207868998U CN201820327742.9U CN201820327742U CN207868998U CN 207868998 U CN207868998 U CN 207868998U CN 201820327742 U CN201820327742 U CN 201820327742U CN 207868998 U CN207868998 U CN 207868998U
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Abstract
A kind of high power switching power supply for electrolysis water electrolytic cell, include the circuit board of shell and setting inside housings, chip U1 is installed on the circuit board, the pin 1 of the chip U1 is grounded, the pin 2 of chip U1 is electrically connected with one end of one end and photo-coupler A of capacitance C11, the other end of capacitance C11 is electrically connected with one end of the other end and resistance R20 of photo-coupler A, and the other end ground connection of capacitance C11, the other end of resistance R20 and the pin 4 of chip U1 are electrically connected, the pin 3 of chip U1 is electrically connected with one end of resistance R19, and the other end of resistance R19 is electrically connected with one end of resistance R18；The utility model is built-in with overvoltage crowbar and VDD overvoltage clamping circuits by the pin 7 of chip U1, and the inside of chip U1 is also built-in with under-voltage protecting circuit so that high power switching power supply it is small, it is economical and practical, it is small, and job stability is strong.
Description
Technical field
It a kind of opens the utility model is related to switch power technology field more particularly to for the high-power of electrolysis water electrolytic cell
Powered-down source.
Background technology
High power switching power supply for electrolysis water electrolytic cell is actually to be applied to opening above electrolysis water controller
Powered-down source, the existing high power switching power supply for electrolysis water electrolytic cell are all linear power supplies, are accordingly used in electrolysis water electrolysis
The volume of the high power switching power supply of slot is big, and job stability is poor, in order to solve problem above, it is proposed that one kind is for electricity
Solve the high power switching power supply of water electrolyser.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and the one kind proposed is used for electrolysis water
The high power switching power supply of electrolytic cell.
To achieve the goals above, the utility model uses following technical solution：
A kind of high power switching power supply for electrolysis water electrolytic cell includes the circuit of shell and setting inside housings
Plate, the pin 1 that chip U1, the chip U1 are equipped on the circuit board are grounded, and the pin 2 of chip U1 is electrically connected with capacitance
The other end of one end of one end and photo-coupler A of C11, capacitance C11 is electrically connected with the other end and resistance of photo-coupler A
One end of R20, and the other end ground connection of capacitance C11, the other end of resistance R20 and the pin 4 of chip U1 are electrically connected, chip U1
Pin 3 be electrically connected with one end of resistance R19, and the other end of resistance R19 is electrically connected with one end of resistance R18, resistance
The other end of R18 is electrically connected with the pin 1 of rectifier cell BD, one end of capacitance C2, one end of capacitance C3, field-effect tube Q1
The cathode of drain D and diode D1, the other end of capacitance C2 and the other end of capacitance C3 are grounded, the grid G of field-effect tube Q1
It is electrically connected with one end of one end and resistance R4 of resistance R3, the other end of resistance R3 is electrically connected with the secondary wire of transformer T1
Enclose one end of L2, the other end of the secondary coil L2 of transformer T1 is electrically connected with the other end of resistance R4, field-effect tube Q1
One end of the primary coil L1 of source S, the cathode of diode D5 and transformer T2, the other end of the primary coil L1 of transformer T2
It is electrically connected with the anode of diode D1 and the drain D of field-effect tube Q2, the grid G of field-effect tube Q2 is electrically connected with resistance
One end of one end and resistance R13 of R12, the other end of resistance R12 are electrically connected with one end of the secondary coil L3 of transformer T1,
The other end of the secondary coil L3 of transformer T1 is electrically connected with the other end of resistance R13, the anode of diode D5, field-effect tube
The source S of Q2, one end and resistance R15 of resistance R14 one end, the other end of resistance R15 is electrically connected with one end of capacitance C10
It is electrically connected with the other end of resistance R14, one end of resistance R17 and positive-negative-positive with the other end of the pin 6 of chip U1, capacitance C10
The collector of triode Q4, and the other end ground connection of capacitance C10, the other end of resistance R17 are electrically connected with PNP type triode Q4
Base stage, resistance R16 one end and NPN type triode Q3 base stage, the other end of resistance R16 is electrically connected with drawing for chip U1
The collector of foot 8, NPN type triode Q3 is electrically connected with high level VCC, and the emitter of NPN type triode Q3 is electrically connected
There are one end of the emitter and capacitance C9 of PNP type triode Q4, the other end of capacitance C9 to be electrically connected with the primary of transformer T1
One end of coil L1, and the other end ground connection of the primary coil L1 of transformer T1, one end electricity of the secondary coil L3 of transformer T2
Property is connected with the anode of diode D7, and the cathode of diode D7 be electrically connected with one end of capacitance C7, resistance R21 one end and
The collector of NPN type triode Q5, the emitter of NPN type triode Q5 are electrically connected with one end of high level VCC and capacitance C8,
The other end of capacitance C8 is electrically connected with the secondary coil of the anode of zener diode D6, the other end of capacitance C7 and transformer T2
The other end of L3, the other end ground connection of capacitance C8, the cathode of zener diode D6 and the base stage of NPN type triode Q5 electrically connect
It connects, one end of the secondary coil L2 of transformer T2 is electrically connected with anode and one end of capacitance C12 of diode D2, capacitance C12
The other end be electrically connected with one end of resistance R5, the other end of resistance R5 is electrically connected with the cathode of diode D2, resistance R6
One end, diode D3 cathode and inductance L one end, the other end of inductance L be electrically connected with electrolytic capacitor C5 anode and
36V power supplys, the cathode of electrolytic capacitor C5 be electrically connected with the anode of diode D3, one end of capacitance C4 and transformer T2 secondary
The other end of coil L2, the cathode ground connection of electrolytic capacitor C5, the other end of capacitance C4 and the other end of resistance R6 are electrically connected.
Preferably, the pin 4 of the rectifier cell BD is grounded, and the pin 2 of rectifier cell BD is electrically connected with resistance R1's
One end and magnetic encourage the pin 2 of coil LF, and the other end of resistance R1 is electrically connected with one end of resistance R2, and the other end of resistance R2
It is electrically connected with the pin 3 of rectifier cell BD and magnetic encourages the pin 4 of coil LF, the pin 1 that magnetic encourages coil LF is electrically connected with guarantor
One end of dangerous silk FUSH, and the other end of fuse FUSH is electrically connected with the firewire L of alternating current, magnetic encourages 3 electricity of pin of coil LF
Property is connected with the zero curve N of alternating current.
Preferably, the other end of the inductance L is electrically connected with one end of one end and resistance R7 of resistance R9, resistance R7's
The other end is electrically connected with one end of one end and resistance R8 of photo-coupler B, and the other end of resistance R8 is electrically connected with optical coupling
The other end of device B, one end of capacitance C6 and three-terminal voltage-stabilizing pipe D4 cathode, the voltage detecting end of three-terminal voltage-stabilizing pipe D4 is electrically connected
There are one end of the other end and resistance R10 of resistance R9, the other end of resistance R10 to be electrically connected with the first of potentiometer R11 and fix
End, the second fixing end of potentiometer R11 are electrically connected with the anode of the sliding end and three-terminal voltage-stabilizing pipe D4 of potentiometer R11, and electricity
The second fixing end ground connection of position device R11.
Preferably, the pin 2 of the chip U1 is output voltage feedback pin, and the pin 3 of chip U1 is that input starts electricity
Input pin and OCP compensation setting feet are pressed, the pin 4 of U1 is that pin is arranged in internal oscillator frequency, and the pin 5 of U1 is overheat protector
The pin 6 of pin, U1 is current detecting input pin, and the pin 7 of U1 is chip power supply power pins, and the pin 8 of U1 is external
MOSFAT drive control feet.
Preferably, the inside of the photo-coupler A and photo-coupler B is both provided with light emitting diode.
Preferably, the three-terminal voltage-stabilizing pipe D4 is adjustable three-terminal voltage-stabilizing pipe, and the model CS5275 of three-terminal voltage-stabilizing pipe D4.
Preferably, the pin 7 of the chip U1 is built-in with overvoltage crowbar and VDD overvoltage clamping circuits, and chip U1
Inside be also built-in with under-voltage protecting circuit.
The beneficial effect of the utility model is：The pin 2 of chip U1 is output voltage feedback pin, high power switching power supply
PWM duty cycle depends on this pin voltage grade and SENSE pins input, and the pin 2 of chip U1 is grounded by capacitance C11,
For filtering out power supply burr, and connects and be electrically connected with one end of photo-coupler A, the other end ground connection of photo-coupler A, chip U1's
Pin 3 is that input starts control source foot and OCP compensation setting feet, and the pin 3 of chip U1 is connected by resistance R19 and resistance R18
It is connected on the pin 1 of rectifier cell BD, the pin 4 of chip U1 is that pin is arranged in internal oscillator frequency, and the pin 5 of chip U1 is
Overheat protector pin, and vacantly handle, for protecting excess temperature device, prevent device excess temperature from damaging, the pin 6 of chip U1 is electric current
Input pin is detected, for detecting the current detecting for being connected to MOSFET, the pin 7 of chip U1 is chip power supply power pins,
High level VCC is exported by diode D7 rectifications, and the cathode of diode D7 simultaneously meets a capacitance C7 for filtering, and the one of capacitance C7
End ground connection, the collector of the other end anode connection NPN type triode Q5 of capacitance C7, goes here and there in the base stage of NPN type triode Q5
Meet a zener diode D6, the plus earth of zener diode D6, and the collector of NPN type triode Q5 and base stage it
Between parallel connection one resistance R21, resistance R21 is used to stablize the base voltage of NPN type triode Q5, the transmitting of NPN type triode Q5
Pole is connected in parallel with a capacitor C8, and the emitter of NPN type triode Q5 exports a VCC voltages, stablizes work for being carried out for chip U1
Make, the pin 8 of chip U1 is external MOSFAT drive controls foot, and the pin 8 of chip U1 is connected to PNP type triode by R16
The base stage of the base stage of Q4 and NPN type triode Q3, PNP type triode Q4 and NPN type triode Q3 are grounded by resistance R17 again,
The emitter of PNP type triode Q4 is connected with the emitter of NPN type triode Q3, then by capacitance C9 connect with transformer T1 just
Grade coil L1, the output voltage of the grounded collector of PNP type triode Q4, transformer T2 are connected to photo-coupler by resistance R7
One end of B, the other end of photo-coupler B are connected to the cathode of three-terminal voltage-stabilizing pipe D4, the plus earth of three-terminal voltage-stabilizing pipe D4, three ends
The voltage detecting end of voltage-stabiliser tube D4 is connected to out-put supply by a resistance R9, and the voltage detecting end of three-terminal voltage-stabilizing pipe D4 passes through one
A resistance R10 is connected to the first fixing end of potentiometer R11, and the second fixing end ground connection of potentiometer R11, R8 and C6 form one
RC absorbing circuits, connection and one end of photo-coupler B and the voltage detecting end of three-terminal voltage-stabilizing pipe, for protecting three-terminal voltage-stabilizing pipe
D4 ensure that the job stability of high power switching power supply, and overvoltage crowbar and VDD are built-in with by the pin 7 of chip U1
Overvoltage clamping circuit, and the inside of chip U1 is also built-in with under-voltage protecting circuit so that small, the sheet of high power switching power supply
Utility model is economical and practical, high power switching power supply it is small, and job stability is strong.
Description of the drawings
Fig. 1 be the utility model proposes a kind of high power switching power supply for electrolysis water electrolytic cell internal circuit
Figure.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1, a kind of high power switching power supply for electrolysis water electrolytic cell, including shell and setting are inside housings
Circuit board, chip U1 is installed, the pin 1 of chip U1 is grounded, and the pin 2 of chip U1 is electrically connected with capacitance on circuit board
The other end of one end of one end and photo-coupler A of C11, capacitance C11 is electrically connected with the other end and resistance of photo-coupler A
One end of R20, and the other end ground connection of capacitance C11, the other end of resistance R20 and the pin 4 of chip U1 are electrically connected, chip U1
Pin 3 be electrically connected with one end of resistance R19, and the other end of resistance R19 is electrically connected with one end of resistance R18, resistance
The other end of R18 is electrically connected with the pin 1 of rectifier cell BD, one end of capacitance C2, one end of capacitance C3, field-effect tube Q1
The cathode of drain D and diode D1, the other end of capacitance C2 and the other end of capacitance C3 are grounded, the grid G of field-effect tube Q1
It is electrically connected with one end of one end and resistance R4 of resistance R3, the other end of resistance R3 is electrically connected with the secondary wire of transformer T1
Enclose one end of L2, the other end of the secondary coil L2 of transformer T1 is electrically connected with the other end of resistance R4, field-effect tube Q1
One end of the primary coil L1 of source S, the cathode of diode D5 and transformer T2, the other end of the primary coil L1 of transformer T2
It is electrically connected with the anode of diode D1 and the drain D of field-effect tube Q2, the grid G of field-effect tube Q2 is electrically connected with resistance
One end of one end and resistance R13 of R12, the other end of resistance R12 are electrically connected with one end of the secondary coil L3 of transformer T1,
The other end of the secondary coil L3 of transformer T1 is electrically connected with the other end of resistance R13, the anode of diode D5, field-effect tube
The source S of Q2, one end and resistance R15 of resistance R14 one end, the other end of resistance R15 is electrically connected with one end of capacitance C10
It is electrically connected with the other end of resistance R14, one end of resistance R17 and positive-negative-positive with the other end of the pin 6 of chip U1, capacitance C10
The collector of triode Q4, and the other end ground connection of capacitance C10, the other end of resistance R17 are electrically connected with PNP type triode Q4
Base stage, resistance R16 one end and NPN type triode Q3 base stage, the other end of resistance R16 is electrically connected with drawing for chip U1
The collector of foot 8, NPN type triode Q3 is electrically connected with high level VCC, and the emitter of NPN type triode Q3 is electrically connected
There are one end of the emitter and capacitance C9 of PNP type triode Q4, the other end of capacitance C9 to be electrically connected with the primary of transformer T1
One end of coil L1, and the other end ground connection of the primary coil L1 of transformer T1, one end electricity of the secondary coil L3 of transformer T2
Property is connected with the anode of diode D7, and the cathode of diode D7 be electrically connected with one end of capacitance C7, resistance R21 one end and
The collector of NPN type triode Q5, the emitter of NPN type triode Q5 are electrically connected with one end of high level VCC and capacitance C8,
The other end of capacitance C8 is electrically connected with the secondary coil of the anode of zener diode D6, the other end of capacitance C7 and transformer T2
The other end of L3, the other end ground connection of capacitance C8, the cathode of zener diode D6 and the base stage of NPN type triode Q5 electrically connect
It connects, one end of the secondary coil L2 of transformer T2 is electrically connected with anode and one end of capacitance C12 of diode D2, capacitance C12
The other end be electrically connected with one end of resistance R5, the other end of resistance R5 is electrically connected with the cathode of diode D2, resistance R6
One end, diode D3 cathode and inductance L one end, the other end of inductance L be electrically connected with electrolytic capacitor C5 anode and
36V power supplys, the cathode of electrolytic capacitor C5 be electrically connected with the anode of diode D3, one end of capacitance C4 and transformer T2 secondary
The other end of coil L2, the cathode ground connection of electrolytic capacitor C5, the other end of capacitance C4 and the other end of resistance R6 are electrically connected, whole
The pin 4 of fluid element BD is grounded, and the pin 2 of rectifier cell BD is electrically connected with one end of resistance R1 and magnetic encourages the pin of coil LF
2, the other end of resistance R1 is electrically connected with one end of resistance R2, and the other end of resistance R2 is electrically connected with rectifier cell BD's
Pin 3 and magnetic encourage the pin 4 of coil LF, and the pin 1 that magnetic encourages coil LF is electrically connected with one end of fuse FUSH, and fuse
The other end of FUSH is electrically connected with the firewire L of alternating current, and the pin 3 that magnetic encourages coil LF is electrically connected with the zero curve N of alternating current, inductance
The other end of L is electrically connected with one end of one end and resistance R7 of resistance R9, and the other end of resistance R7 is electrically connected with optical coupling
One end of one end and resistance R8 of device B, the other end of resistance R8 be electrically connected with the other end of photo-coupler B, capacitance C6 one
The cathode at end and three-terminal voltage-stabilizing pipe D4, the voltage detecting end of three-terminal voltage-stabilizing pipe D4 is electrically connected with the other end and resistance of resistance R9
The other end of one end of R10, resistance R10 is electrically connected with the first fixing end of potentiometer R11, and the second of potentiometer R11 fixes
End is electrically connected with the anode of the sliding end and three-terminal voltage-stabilizing pipe D4 of potentiometer R11, and the second of potentiometer R11 fixes termination
The pin 2 on ground, chip U1 is output voltage feedback pin, and the pin 3 of chip U1 is that input starts control source foot and OCP compensation
Foot is set, and the pin 4 of U1 is that pin is arranged in internal oscillator frequency, and the pin 5 of U1 is overheat protector pin, and the pin 6 of U1 is
The pin 7 of current detecting input pin, U1 is chip power supply power pins, and the pin 8 of U1 is external MOSFAT drive controls foot,
The inside of photo-coupler A and photo-coupler B are both provided with light emitting diode, and three-terminal voltage-stabilizing pipe D4 is adjustable three-terminal voltage-stabilizing pipe, and
The pin 7 of the model CS5275 of three-terminal voltage-stabilizing pipe D4, chip U1 are built-in with overvoltage crowbar and VDD overvoltage clamping circuits,
And the inside of chip U1 is also built-in with under-voltage protecting circuit, the pin 2 of the chip U1 in the utility model feeds back for output voltage
The PWM duty cycle of pin, high power switching power supply depends on this pin voltage grade and SENSE pins input, chip U1's
Pin 2 is grounded by capacitance C11, for filtering out power supply burr, and is connect and is electrically connected with one end of photo-coupler A, photo-coupler A
Other end ground connection, the pin 3 of chip U1 is that input starts control source foot and OCP compensation setting feet, and the pin 3 of chip U1 is logical
It crosses resistance R19 and resistance R18 is connected on the pin 1 of rectifier cell BD, the pin 4 of chip U1 is arranged for internal oscillator frequency
The pin 5 of pin, chip U1 is overheat protector pin, and is vacantly handled, and for protecting excess temperature device, prevents device excess temperature from damaging
Bad, the pin 6 of chip U1 is current detecting input pin, and for detecting the current detecting for being connected to MOSFET, chip U1's draws
Foot 7 is chip power supply power pins, and high level VCC is exported by diode D7 rectifications, and the cathode of diode D7 simultaneously connects an electricity
Holding C7 for filtering, one end ground connection of capacitance C7, the other end anode of capacitance C7 connects the collector of NPN type triode Q5,
One zener diode D6 of concatenation in the base stage of NPN type triode Q5, the plus earth of zener diode D6, and in NPN type three
One resistance R21 of parallel connection between the collector and base stage of pole pipe Q5, resistance R21 are used to stablize the base stage of NPN type triode Q5
The emitter of voltage, NPN type triode Q5 is connected in parallel with a capacitor C8, and the emitter of NPN type triode Q5 exports a VCC electricity
Pressure, for carrying out steady operation for chip U1, the pin 8 of chip U1 is external MOSFAT drive controls foot, the pin 8 of chip U1
The base stage of PNP type triode Q4 and NPN type triode Q3, PNP type triode Q4 and NPN type triode Q3 are connected to by R16
Base stage be grounded again by resistance R17, the emitter of PNP type triode Q4 is connected with the emitter of NPN type triode Q3, then leads to
It crosses capacitance C9 and connects primary coil L1 with transformer T1, the grounded collector of PNP type triode Q4, the output voltage of transformer T2
It is connected to one end of photo-coupler B by resistance R7, the other end of photo-coupler B is connected to the cathode of three-terminal voltage-stabilizing pipe D4, and three
The plus earth of voltage-stabiliser tube D4 is held, the voltage detecting end of three-terminal voltage-stabilizing pipe D4 is connected to out-put supply, three ends by a resistance R9
The voltage detecting end of voltage-stabiliser tube D4 is connected to the first fixing end of potentiometer R11 by a resistance R10, and the of potentiometer R11
Two fixing ends are grounded, and R8 and C6 form a RC absorbing circuit, the voltage of connection and one end and three-terminal voltage-stabilizing pipe of photo-coupler B
Test side ensure that the job stability of high power switching power supply, pass through the pin of chip U1 for protecting three-terminal voltage-stabilizing pipe D4
7 are built-in with overvoltage crowbar and VDD overvoltage clamping circuits, and the inside of chip U1 is also built-in with under-voltage protecting circuit so that
High power switching power supply it is small, the utility model is economical and practical, small, and the job stability of high power switching power supply
By force.
Operation principle：The pin 2 of chip U1 is output voltage feedback pin, and the PWM duty cycle of high power switching power supply takes
It is certainly inputted in this pin voltage grade and SENSE pins, the pin 2 of chip U1 is grounded by capacitance C11, for filtering out power supply
Burr, and connect and be electrically connected with one end of photo-coupler A, the pin 3 of the other end ground connection of photo-coupler A, chip U1 is input
Start control source foot and OCP compensation setting feet, the pin 3 of chip U1 is connected to rectifier cell by resistance R19 and resistance R18
On the pin 1 of BD so that chip U1 carries out startup work, and the pin 8 of chip U1 exports a high level to resistance R16 so that
The base stage of PNP type triode Q4 and NPN type triode Q3 are connected, and transformer T1 is started, at this time time of transformer T2
Grade coil L3 senses a voltage, and the voltage that the secondary coil L3 of transformer T2 is exported carries out rectification by diode D3,
Then it is filtered by capacitance C7, forms a stable VCC voltages after capacitance C7 filtering, stable VCC voltages are
The pin 7 of chip U1 is powered so that and chip U1 carries out steady operation, and the voltage of transformer T2 outputs at this time is stepped up,
The electricity that the voltage that transformer T2 is exported passes through photo-coupler B, three-terminal voltage-stabilizing pipe D4, external resistance R6 and resistance R10 compositions
Network is hindered, when the voltage of three-terminal voltage-stabilizing pipe D4 is more than 2.495V, the LEDs ON in photo-coupler B, so that
There is low level in 2 feet of chip U1, when 2 feet of chip U1 detect low level, will export low electricity in 8 feet of chip U1
It is flat, PNP type triode Q4 and NPN type triode Q3 cut-offs, transformer T2 cut-offs can be made not to work in this way, transformer T2 is exported
Voltage gradually reduce, the voltage of three-terminal voltage-stabilizing pipe D4 can gradually be less than 2.495V at this time, and photo-coupler B ends work, chip
There is high level in 2 feet of U1, and the 8 feet output high level of chip U1 ensure that the work of high power switching power supply is steady in cycles
Qualitative, in addition R8 and C6 forms a RC absorbing circuit, the voltage detecting of connection and one end and three-terminal voltage-stabilizing pipe of photo-coupler B
End, for protecting three-terminal voltage-stabilizing pipe D4, ensure that the job stability of high power switching power supply, due in the pin 7 of chip U1
It is equipped with overvoltage crowbar and VDD overvoltage clamping circuits, and the inside of chip U1 is also built-in with under-voltage protecting circuit, greatly reduces
High power switching power supply it is small.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (7)
1. a kind of high power switching power supply for electrolysis water electrolytic cell includes the circuit board of shell and setting inside housings,
Chip U1 is installed, which is characterized in that the pin 1 of the chip U1 is grounded, and the pin 2 of chip U1 electrically connects on the circuit board
It is connected to one end of one end and photo-coupler A of capacitance C11, the other end of capacitance C11 is electrically connected with the other end of photo-coupler A
It is electrically connected with the pin 4 of one end of resistance R20, and the other end ground connection of capacitance C11, the other end of resistance R20 and chip U1,
The pin 3 of chip U1 is electrically connected with one end of resistance R19, and the other end of resistance R19 is electrically connected with the one of resistance R18
The other end at end, resistance R18 is electrically connected with the pin 1 of rectifier cell BD, one end of capacitance C2, one end of capacitance C3, field effect
Should pipe Q1 drain D and diode D1 cathode, the other end of capacitance C2 and the other end of capacitance C3 be grounded, field-effect tube Q1
Grid G be electrically connected with resistance R3 one end and resistance R4 one end, the other end of resistance R3 is electrically connected with transformer T1
Secondary coil L2 one end, the other end of the secondary coil L2 of transformer T1 is electrically connected with the other end of resistance R4, field effect
Should the source S of pipe Q1, the cathode of diode D5 and transformer T2 primary coil L1 one end, the primary coil L1 of transformer T2
The other end be electrically connected with the anode of diode D1 and the drain D of field-effect tube Q2, the grid G of field-effect tube Q2 is electrically connected
There are one end of one end and resistance R13 of resistance R12, the other end of resistance R12 to be electrically connected with the secondary coil L3 of transformer T1
One end, the other end of the secondary coil L3 of transformer T1 be electrically connected with the other end of resistance R13, diode D5 anode,
The source S of field-effect tube Q2, one end and resistance R15 of resistance R14 one end, the other end of resistance R15 is electrically connected with capacitance
One end of C10 and the pin 6 of chip U1, the other end of capacitance C10 be electrically connected with the other end of resistance R14, resistance R17 one
The collector at end and PNP type triode Q4, and the other end ground connection of capacitance C10, the other end of resistance R17 are electrically connected with PNP
The base stage of type triode Q4, the base stage of one end and NPN type triode Q3 of resistance R16, the other end of resistance R16 are electrically connected with
The collector of the pin 8 of chip U1, NPN type triode Q3 is electrically connected with high level VCC, and the transmitting of NPN type triode Q3
Pole is electrically connected with one end of the emitter and capacitance C9 of PNP type triode Q4, and the other end of capacitance C9 is electrically connected with transformation
One end of the primary coil L1 of device T1, and the other end ground connection of the primary coil L1 of transformer T1, the secondary coil of transformer T2
One end of L3 is electrically connected with the anode of diode D7, and the cathode of diode D7 is electrically connected with one end of capacitance C7, resistance
The emitter of the collector of one end and NPN type triode Q5 of R21, NPN type triode Q5 is electrically connected with high level VCC and electricity
Hold one end of C8, the other end of capacitance C8 is electrically connected with the other end and transformer of the anode of zener diode D6, capacitance C7
The other end of the secondary coil L3 of T2, the other end ground connection of capacitance C8, the cathode of zener diode D6 and NPN type triode Q5's
Base stage is electrically connected, and one end of the secondary coil L2 of transformer T2 is electrically connected with the anode and the one of capacitance C12 of diode D2
End, the other end of capacitance C12 are electrically connected with one end of resistance R5, and the other end of resistance R5 is electrically connected with the negative of diode D2
Pole, one end of resistance R6, the cathode of diode D3 and inductance L one end, the other end of inductance L is electrically connected with electrolytic capacitor C5
Anode and 36V power supplys, the cathode of electrolytic capacitor C5 is electrically connected with the anode of diode D3, one end of capacitance C4 and transformer
The other end of the secondary coil L2 of T2, the cathode ground connection of electrolytic capacitor C5, the other end of capacitance C4 and the other end electricity of resistance R6
Property connection.
2. a kind of high power switching power supply for electrolysis water electrolytic cell according to claim 1, which is characterized in that described
The pin 4 of rectifier cell BD is grounded, and the pin 2 of rectifier cell BD is electrically connected with one end of resistance R1 and magnetic encourages drawing for coil LF
Foot 2, the other end of resistance R1 is electrically connected with one end of resistance R2, and the other end of resistance R2 is electrically connected with rectifier cell BD
Pin 3 and magnetic encourage the pin 4 of coil LF, the pin 1 that magnetic encourages coil LF is electrically connected with one end of fuse FUSH, and insures
The other end of silk FUSH is electrically connected with the firewire L of alternating current, and the pin 3 that magnetic encourages coil LF is electrically connected with the zero curve N of alternating current.
3. a kind of high power switching power supply for electrolysis water electrolytic cell according to claim 1, which is characterized in that described
The other end of inductance L is electrically connected with one end of one end and resistance R7 of resistance R9, and the other end of resistance R7 is electrically connected with light
The other end of one end of one end and resistance R8 of coupler B, resistance R8 is electrically connected with the other end of photo-coupler B, capacitance C6
One end and three-terminal voltage-stabilizing pipe D4 cathode, the voltage detecting end of three-terminal voltage-stabilizing pipe D4 be electrically connected with resistance R9 the other end and
One end of resistance R10, the other end of resistance R10 are electrically connected with the first fixing end of potentiometer R11, and the second of potentiometer R11
Fixing end is electrically connected with the anode of the sliding end and three-terminal voltage-stabilizing pipe D4 of potentiometer R11, and the second fixing end of potentiometer R11
Ground connection.
4. a kind of high power switching power supply for electrolysis water electrolytic cell according to claim 1, which is characterized in that described
The pin 2 of chip U1 is output voltage feedback pin, and the pin 3 of chip U1 is that input starts control source foot and OCP compensation is set
Foot is set, the pin 4 of U1 is that pin is arranged in internal oscillator frequency, and the pin 5 of U1 is overheat protector pin, and the pin 6 of U1 is electricity
The pin 7 of stream detection input pin, U1 is chip power supply power pins, and the pin 8 of U1 is external MOSFAT drive controls foot.
5. a kind of high power switching power supply for electrolysis water electrolytic cell according to claim 1, which is characterized in that described
The inside of photo-coupler A and photo-coupler B are both provided with light emitting diode.
6. a kind of high power switching power supply for electrolysis water electrolytic cell according to claim 3, which is characterized in that described
Three-terminal voltage-stabilizing pipe D4 is adjustable three-terminal voltage-stabilizing pipe, and the model CS5275 of three-terminal voltage-stabilizing pipe D4.
7. a kind of high power switching power supply for electrolysis water electrolytic cell according to claim 1, which is characterized in that described
The pin 7 of chip U1 is built-in with overvoltage crowbar and VDD overvoltage clamping circuits, and the inside of chip U1 is also built-in with under-voltage guarantor
Protection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820327742.9U CN207868998U (en) | 2018-03-11 | 2018-03-11 | A kind of high power switching power supply for electrolysis water electrolytic cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820327742.9U CN207868998U (en) | 2018-03-11 | 2018-03-11 | A kind of high power switching power supply for electrolysis water electrolytic cell |
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| CN207868998U true CN207868998U (en) | 2018-09-14 |
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| CN201820327742.9U Active CN207868998U (en) | 2018-03-11 | 2018-03-11 | A kind of high power switching power supply for electrolysis water electrolytic cell |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109245751A (en) * | 2018-11-16 | 2019-01-18 | 上海沥马自动化设备有限公司 | A kind of PNP or NPN input signal independence switch type power amplification plate |
-
2018
- 2018-03-11 CN CN201820327742.9U patent/CN207868998U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109245751A (en) * | 2018-11-16 | 2019-01-18 | 上海沥马自动化设备有限公司 | A kind of PNP or NPN input signal independence switch type power amplification plate |
| CN109245751B (en) * | 2018-11-16 | 2024-02-09 | 上海沥马自动化设备有限公司 | PNP or NPN input signal independent switching type power amplification plate |
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Address after: Shandong Linyi hi tech Industrial Park 276000 Patentee after: Shandong Kangwei Technology Co.,Ltd. Address before: Shandong Linyi hi tech Industrial Park 276000 Patentee before: LINYI KANGWEIMEI ELECTRONIC PRODUCTS CO.,LTD. |