CN106100410A - A kind of charging based on overvoltage crowbar is with non-linear scale-up version inverter - Google Patents
A kind of charging based on overvoltage crowbar is with non-linear scale-up version inverter Download PDFInfo
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- CN106100410A CN106100410A CN201610667815.4A CN201610667815A CN106100410A CN 106100410 A CN106100410 A CN 106100410A CN 201610667815 A CN201610667815 A CN 201610667815A CN 106100410 A CN106100410 A CN 106100410A
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- 238000013341 scale-up Methods 0.000 title claims abstract description 12
- 239000003990 capacitor Substances 0.000 claims abstract description 171
- 230000005669 field effect Effects 0.000 claims description 107
- 101100461812 Arabidopsis thaliana NUP96 gene Proteins 0.000 claims description 24
- 101150090280 MOS1 gene Proteins 0.000 claims description 22
- 101100401568 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) MIC10 gene Proteins 0.000 claims description 22
- 230000000087 stabilizing effect Effects 0.000 claims description 20
- 102100030393 G-patch domain and KOW motifs-containing protein Human genes 0.000 claims description 18
- 229910052982 molybdenum disulfide Inorganic materials 0.000 claims description 18
- 101100508768 Arabidopsis thaliana IMPA3 gene Proteins 0.000 claims description 12
- 101100478187 Arabidopsis thaliana MOS4 gene Proteins 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 11
- 101100134625 Arabidopsis thaliana NUP88 gene Proteins 0.000 claims description 9
- 101100262446 Arabidopsis thaliana UBA1 gene Proteins 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 5
- 230000010349 pulsation Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal 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
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal 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, e.g. single switched pulse inverters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
-
- H02J7/027—
-
- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
-
- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0038—Circuits or arrangements for suppressing, e.g. by masking incorrect turn-on or turn-off signals, e.g. due to current spikes in current mode control
-
- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/0048—Circuits or arrangements for reducing losses
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Abstract
The invention discloses the non-linear scale-up version inverter of a kind of charging based on overvoltage crowbar, it is characterized in that, main by control chip U2, transformator T, diode rectifier U1, two-way switch S, accumulator J, polar capacitor C12, polar capacitor C11, voltage detecting circuit, three-terminal voltage-stabilizing circuit, the overvoltage crowbar being connected with the b contact of two-way switch S, the boosting being connected with the CHRG1 pin of control chip U2 and CHRG2 pin and PROG pin respectively adjusts circuit, and adjust circuit and a contact of two-way switch S respectively with boosting and the composition such as non-linear amplifying circuit that transformator T former limit inductance coil is connected.Interference surging in output electric current can be eliminated or suppress by the present invention, can effectively improve the present invention rejection ability to the pulsation of output electric current, makes output electric current keep stable.
Description
Technical field
The present invention relates to a kind of charge power supply, specifically refer to a kind of non-linear amplification of charging based on overvoltage crowbar
Type inverter.
Background technology
The fairing that charge power supply charging supply charges for accumulator.Early stage employing ac motor-straight
Stream generating set, makees charge power supply also known as rotary unit, and after the sixties in 20th century, this charge power supply is by electronic device group
The charge power supply become replaces.But, the charge power supply of existing electronic device composition is frequently with dual transformer so that electronic device
Charge power supply relatively costly of composition；The output of the charge power supply of this electronic device composition is the lowest, causes load
Ability；Further, the charge power supply of existing electronic device composition is poor to the rejection ability of output ripple current, and there is output
The problem of spread of voltage, thus when causing charging, there is interrupted situation in output electric current.
Summary of the invention
The output that the charge power supply that it is an object of the invention to overcome existing electronic device to form exists is low, output
The defect of spread of voltage, it is provided that a kind of charging based on overvoltage crowbar is with non-linear scale-up version inverter.
The purpose of the present invention realizes by following technical scheme: a kind of non-linear amplification of charging based on overvoltage crowbar
Type inverter, mainly by control chip U2, transformator T, diode rectifier U1, two-way switch S, accumulator J, with two-way opened
Close the overvoltage crowbar that is connected of b contact of S, positive pole sequentially after resistance R1 and inductance L1 with a contact phase of two-way switch S
Connect, a contact with two-way switch S after resistance R2, polar capacitor C1, the P pole of minus earth is connected, N pole and control chip
The GND pin of U2 be connected after b contact with two-way switch S after resistance R3, light emitting diode VD1, the P pole of ground connection be connected,
The light emitting diode VD2 of N pole ground connection, negative pole is connected with overvoltage crowbar, positive pole after resistance R19 with diode rectifier
The polar capacitor C13 that the cathode output end of U1 is connected, positive pole is connected with the cathode output end of diode rectifier U1, negative pole
The polar capacitor C12 of ground connection after being connected with the cathode output end of diode rectifier U1, positive pole and transformator T secondary inductance line
The polar capacitor C11 that Same Name of Ends is connected, negative pole is connected with the non-same polarity of transformator T secondary inductance coil of circle, input
End is connected with the junction point of resistance R1 with inductance L1, outfan VCC pin with control chip U2 after resistance R30 is connected
Three-terminal voltage-stabilizing circuit, the boosting being connected with the CHRG1 pin of control chip U2 and CHRG2 pin and PROG pin respectively
Adjust circuit, adjust circuit and a contact of two-way switch S respectively with boosting and transformator T former limit inductance coil is connected
Non-linear amplifying circuit, and input is connected with non-linear amplifying circuit, outfan is former with transformator T after resistance R43
The voltage detecting circuit composition that the non-same polarity of limit inductance coil is connected；One of them input of described diode rectifier U1
The tap holding limit former with transformator T inductance coil be connected after ground connection, its another input and transformator T former limit inductance coil
Bar of lassoing a horse be connected；The positive pole of described accumulator J is connected with the control of two-way switch S, its minus earth.
Described overvoltage crowbar by field effect transistor MOS5, field effect transistor MOS6, field effect transistor MOS7, audion VT11,
Audion VT12, negative pole source electrode with field effect transistor MOS6 after resistance R46 is connected, the negative pole of positive pole and polar capacitor C13
The polar capacitor C26 being connected, one end is connected with the drain electrode of field effect transistor MOS, the positive pole phase of the other end and polar capacitor C26
The critesistor RT connected, positive pole positive pole with polar capacitor C26 after resistance R44 is connected, the polar capacitor of minus earth
C27, P pole is connected with the grid of field effect transistor MOS6, N pole base stage with audion VT12 after resistance R49 is connected two
Pole pipe D17, the adjustable resistance that one end is connected with the negative pole of polar capacitor C26, the other end is connected with the N pole of diode D17
R45, positive pole drain electrode with field effect transistor MOS6 after inductance L6 is connected, negative pole is connected with the emitter stage of audion VT11
Polar capacitor C28, P pole source electrode with field effect transistor MOS5 after resistance R47 is connected, N pole after resistance R48 with polar capacitor
The diode D16 that the positive pole of C28 is connected, positive pole is connected with the base stage of audion VT12, the polar capacitor of minus earth
C29, P pole negative pole with polar capacitor C29 after resistance R53 is connected, N pole after resistance R52 with the current collection of audion VT12
Diode D18, the N pole that pole is connected is connected with the N pole of diode D18, P pole is connected with the drain electrode of field effect transistor MOS7
Zener diode D19, and positive pole colelctor electrode with audion VT11 after resistance R50 is connected, negative pole is through adjustable resistance R51
The polar capacitor C30 composition that colelctor electrode with audion VT12 is connected afterwards；The negative pole of described polar capacitor C26 also with field effect
The grid of pipe MOS5 is connected；The base stage of described audion VT12 also positive pole with polar capacitor C28 is connected, its emitter stage with
The base stage of audion VT11 is connected；The grid of described field effect transistor MOS7 is connected with the positive pole of polar capacitor C30, its source electrode
Ground connection；The N pole of described Zener diode D19 is also connected with the b contact of two-way switch S.
Described voltage detecting circuit is by field effect transistor MOS3, field effect transistor MOS4, audion VT9, audion VT10, negative pole
Be connected with the base stage of audion VT9, polar capacitor C21 that positive pole is connected with non-linear amplifying circuit after resistance R31, just
Pole positive pole with polar capacitor C21 after resistance R33 is connected, polar capacitor C20, the P pole of minus earth after resistance R32 with
The diode D12, P that the positive pole of polar capacitor C21 is connected, N pole colelctor electrode with audion VT9 after resistance R35 is connected
Pole emitter stage with audion VT9 after adjustable resistance R34 is connected, N pole after resistance R38 with the source electrode of field effect transistor MOS3
The diode D13 being connected, one end is connected with the source electrode of field effect transistor MOS3, the resistance R39 of other end ground connection, positive pole and three
The polar capacitor C22 that the colelctor electrode of pole pipe VT9 is connected, negative pole is connected with the grid of field effect transistor MOS3 after resistance R37,
Negative pole emitter stage with audion VT10 after resistance R41 is connected, be connected with the N pole of diode D12 after positive electrode resistance R36
The drain electrode with field effect transistor MOS3 after inductance L5 of polar capacitor C23, P pole be connected, N pole after resistance R40 with field effect
The diode D14 that the source electrode of pipe MOS3 is connected, negative pole is connected with the grid of field effect transistor MOS4, positive pole and field effect transistor
The polar capacitor C24 that the source electrode of MOS3 is connected, positive pole is connected with the base stage of audion VT10, negative pole after resistance R42 with
The polar capacitor C25 that the source electrode of field effect transistor MOS4 is connected, and P pole is connected with the colelctor electrode of audion VT10, N pole warp
The Zener diode D15 composition that after resistance R43, non-same polarity with transformator T inductance coil is connected；Described field effect transistor
The drain electrode of MOS3 is connected with the negative pole of polar capacitor C23；The grounded drain of described field effect transistor MOS4.
Further, described three-terminal voltage-stabilizing circuit by voltage stabilizing chip U3, audion VT6, audion VT7, audion VT8,
Field effect transistor MOS2, P pole is connected with the VIN pin of voltage stabilizing chip U3, N pole is connected with the junction point of resistance R1 with inductance L1
Diode D8, one end is connected with the N pole of diode D8, the resistance R22 of other end ground connection, and negative pole and audion VT7 send out
Polar capacitor C14, the P pole that emitter-base bandgap grading is connected, positive pole is connected with the N pole of diode D8 after resistance R21 after resistance R20 with
The diode D7 that the positive pole of polar capacitor C14 is connected, N pole is connected with the colelctor electrode of audion VT6, positive pole is through resistance R23
The polar capacitor C15 that colelctor electrode with audion VT7 is connected afterwards, negative pole is connected with the base stage of audion VT6, positive pole is through electricity
Be connected with the base stage of audion VT6 after resistance R25, polar capacitor C16 that negative pole is connected with the emitter stage of audion VT8, just
Pole VOUT pin with voltage stabilizing chip U3 after resistance R27 is connected, polar capacitor C18, the P pole of minus earth and audion
The diode D11 that the colelctor electrode of VT8 is connected, N pole negative pole with polar capacitor C18 after resistance R29 is connected, positive pole is through electricity
Be connected with the positive pole of polar capacitor C18 after resistance R28, polar capacitor C19 that negative pole is connected with the grid of field effect transistor MOS2,
The pole that positive pole is connected with the base stage of audion VT8, negative pole is connected with the source electrode of field effect transistor MOS2 after inductance coil L4
Property electric capacity C17, N pole is connected with the grid of field effect transistor MOS2, P pole base stage with audion VT6 after resistance R24 is connected
Diode D10, and P pole ADJ pin with voltage stabilizing chip U3 after adjustable resistance R26 is connected, N pole and field effect transistor
The Zener diode D9 composition that the source electrode of MOS2 is connected；The VIN pin phase of the base stage of described audion VT7 and voltage stabilizing chip U3
Connect；The P pole of described diode D10 also emitter stage with audion VT6 is connected, its N pole also with the negative pole of polar capacitor C17
It is connected；The grounded drain of described field effect transistor MOS2, its source electrode the most also after resistance R30 with the VCC pin of control chip U2
It is connected.
Described boosting adjusts circuit and is connected with the drain electrode of field effect transistor MOS1 by field effect transistor MOS1, audion VT1, positive pole
Connect, polar capacitor C3, the P pole of minus earth grid with field effect transistor MOS1 after resistance R4 is connected, N pole is after resistance R5
The diode D1 being connected with the CHRG2 pin of control chip U2, positive pole is connected with the grid of field effect transistor MOS1, negative pole warp
The polar capacitor C4 being connected with the source electrode of field effect transistor MOS1 after resistance R8, negative pole is connected with the base stage of audion VT1, just
Polar capacitor C5, the P pole that pole is connected with the source electrode of field effect transistor MOS1 after inductance L2 and the CHRG1 pin of control chip U2
Be connected, diode D2 that N pole is connected with the colelctor electrode of audion VT1, and N pole after adjustable resistance R9 with audion
The diode D3 composition that the colelctor electrode of VT1 is connected, P pole is connected with the PROG pin of control chip U2 after resistance R6；Institute
State the negative pole of the polar capacitor C4 colelctor electrode also with audion VT1 to be connected；The grid of described field effect transistor MOS1 also with control
The VCC pin of chip U2 is connected；The emitter stage of described audion VT1 and the N pole of diode D1 are collectively forming boosting and adjust electricity
The outfan on road is also connected with non-linear amplifying circuit.
Described non-linear amplifying circuit is by audion VT2, audion VT3, audion VT4, audion VT5, P pole and three poles
The Zener diode D4 that the emitter stage of pipe VT1 is connected, N pole base stage with audion VT3 after resistance R11 is connected, negative pole
The polar capacitor C7 that base stage with audion VT4 is connected after resistance R12, positive pole is connected with the emitter stage of audion VT3,
The diode that N pole is connected with the colelctor electrode of audion VT4, P pole colelctor electrode with audion VT3 after resistance R14 is connected
D6, negative pole is connected with the colelctor electrode of audion VT4, positive pole colelctor electrode with audion VT3 after resistance R16 is connected and is followed by
The polar capacitor C9 on ground, positive pole emitter stage with audion VT4 after resistance R13 is connected, negative pole after resistance R17 with transformation
The polar capacitor C10 that the Same Name of Ends of device T former limit inductance coil is connected, positive pole after resistance R10 with the colelctor electrode of audion VT2
Be connected, polar capacitor C8 that negative pole colelctor electrode with audion VT4 after adjustable resistance R15 is connected, one end and polarity electricity
Hold inductance L3, the N pole that negative pole is connected, the other end is connected of C8 and the base stage of audion VT5 with the colelctor electrode of audion VT4
Be connected, diode D5 that P pole is connected with the emitter stage of audion VT2, positive pole after resistance R7 with the current collection of audion VT2
The polar capacitor C6 that pole is connected, negative pole is connected with the colelctor electrode of audion VT5, and a contact of positive pole and two-way switch S
Be connected, polar capacitor C2 composition that negative pole colelctor electrode with audion VT5 after resistance R18 is connected；Described audion VT2
Base stage be connected with the N pole of diode D1；The grounded collector of described audion VT3；The emitter stage warp of described audion VT5
After resistance R31, the positive pole with polar capacitor C21 is connected.
In order to reach more preferable using effect, described control chip U2 the most preferentially have employed the integrated chip of SX5058 and comes real
Existing；Meanwhile, described voltage stabilizing chip U3 the most preferentially have employed the integrated chip of LM117 and realizes.
The present invention compared with prior art, has the following advantages and beneficial effect:
(1) the interference surging in output electric current can be eliminated or suppress by the present invention, effectively raises the present invention couple
The rejection ability of the pulsation of output electric current, makes output electric current keep stable；And the frequency of output electric current can also be entered by the present invention
Row sum-equal matrix, the frequency making output electric current is more stable, thus improves the output of the present invention, effectively raises the present invention's
Load capacity.
(2) instant high-voltage of input direct voltage can be eliminated or suppress by the present invention, is effectively prevented this
Bright backend electronics element and accumulator J are damaged by high voltage, ensure that stability and the reliability of the present invention.
(3) present invention can effectively reduce output voltage and the Leakage Current of electric current and loss current, can effectively improve
The power of the present invention；And the unusual fluctuations of output voltage and electric current can be suppressed, make output voltage and electric current keep stable, thus carry
The output voltage of the high present invention and the stability of electric current.
(4) fluctuation that voltage produces because of ambient temperature and circuit parameter and electromagnetic interference can be pressed down by the present invention
System, makes voltages keep constant, ensures that the present invention can export stable voltage and current.
(5) present invention can effectively reduce current loss, greatly improves the output of the present invention, makes the present invention's
Load capacity has obtained good raising, has saved cost, is well positioned to meet people's requirement at energy-conservation aspect.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the present invention.
Fig. 2 is the electrical block diagram of the three-terminal voltage-stabilizing circuit of the present invention.
Fig. 3 is the electrical block diagram of the voltage detecting circuit of the present invention.
Fig. 4 is the electrical block diagram of the overvoltage crowbar of the present invention.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to
This.
Embodiment
As it is shown in figure 1, the present invention is mainly by control chip U2, transformator T, diode rectifier U1, two-way switch S, store
Battery J, resistance R1, resistance R2, resistance R3, resistance R19, resistance R30, resistance R43, polar capacitor C1, polar capacitor C11, pole
Property electric capacity C12, polar capacitor C13, inductance L1, voltage detecting circuit, three-terminal voltage-stabilizing circuit, light emitting diode VD1, light-emitting diodes
Pipe VD2, overvoltage crowbar, boosting adjusts circuit, and non-linear amplifying circuit composition.
During connection, overvoltage crowbar is connected with the b contact of two-way switch S.The positive pole of polar capacitor C1 is sequentially through electricity
It is connected with a contact of two-way switch S after resistance R1 and inductance L1, minus earth.The P pole of light emitting diode VD1 is after resistance R2
Be connected with a contact of two-way switch S, N pole be connected with the GND pin of control chip U2 after ground connection.Light emitting diode VD2's
B contact with two-way switch S after resistance R3, P pole is connected, N pole ground connection.The negative pole of polar capacitor C13 and overvoltage crowbar
Being connected, positive pole cathode output end with diode rectifier U1 after resistance R19 is connected.
Wherein, the positive pole of polar capacitor C12 is connected with the cathode output end of diode rectifier U1, negative pole and diode
The cathode output end of commutator U1 be connected after ground connection.The positive pole of polar capacitor C11 is of the same name with transformator T secondary inductance coil
End is connected, and negative pole is connected with the non-same polarity of transformator T secondary inductance coil.The input of three-terminal voltage-stabilizing circuit and resistance
R1 is connected with the junction point of inductance L1, and outfan VCC pin with control chip U2 after resistance R30 is connected.Boosting is adjusted
Whole circuit is connected with the CHRG1 pin of control chip U2 and CHRG2 pin and PROG pin respectively.Non-linear amplifying circuit
Adjust circuit and a contact of two-way switch S with boosting respectively and transformator T former limit inductance coil is connected.Voltage detecting electricity
The input on road is connected with non-linear amplifying circuit, its outfan limit former with transformator T inductance coil non-after resistance R43
Same Name of Ends is connected.
After the tap of one of them input limit former with transformator T inductance coil of described diode rectifier U1 is connected
Ground connection, the bar of lassoing a horse of its another input limit former with transformator T inductance coil is connected；The positive pole of described accumulator J is with double
Control to switch S is connected, its minus earth.In order to reach more preferable using effect, described control chip U2 the most preferentially adopts
Realize with the integrated chip of SX5058.
Further, described boosting adjusts circuit by field effect transistor MOS1, audion VT1, resistance R4, resistance R5, resistance
R6, resistance R8, adjustable resistance R9, polar capacitor C3, polar capacitor C4, polar capacitor C5, diode D1, diode D2, and
Diode D3 forms.
During connection, the positive pole of polar capacitor C3 is connected with the drain electrode of field effect transistor MOS1, minus earth.Diode D1's
P pole grid with field effect transistor MOS1 after resistance R4 is connected, N pole after resistance R5 with the CHRG2 pin of control chip U2
It is connected.The positive pole of polar capacitor C4 is connected with the grid of field effect transistor MOS1, negative pole after resistance R8 with field effect transistor
The source electrode of MOS1 is connected.
Wherein, the negative pole of polar capacitor C5 is connected with the base stage of audion VT1, positive pole after inductance L2 with field effect transistor
The source electrode of MOS1 is connected.The P pole of diode D2 is connected with the CHRG1 pin of control chip U2, and N pole is with audion VT1's
Colelctor electrode is connected.The N pole of diode D3 colelctor electrode with audion VT1 after adjustable resistance R9 is connected, and P pole is through resistance R6
It is connected with the PROG pin of control chip U2 afterwards.
The negative pole of described polar capacitor C4 also colelctor electrode with audion VT1 is connected；The grid of described field effect transistor MOS1
Pole is also connected with the VCC pin of control chip U2；The emitter stage of described audion VT1 is collectively forming with the N pole of diode D1
Boosting adjusts the outfan of circuit and is connected with non-linear amplifying circuit.
Further, described non-linear amplifying circuit is by audion VT2, audion VT3, audion VT4, audion
VT5, resistance R7, resistance R10, resistance R11, resistance R12, resistance R13, resistance R14, adjustable resistance R15, resistance R16, resistance
R17, resistance R18, polar capacitor C2, polar capacitor C polar capacitor C6, polar capacitor C7, polar capacitor C8, polar capacitor C9,
Polar capacitor C10, Zener diode D4, diode D5, diode D6, and inductance L3 form.
During connection, the P pole of Zener diode D4 is connected with the emitter stage of audion VT1, N pole after resistance R11 with three
The base stage of pole pipe VT3 is connected.The negative pole of polar capacitor C7 base stage with audion VT4 after resistance R12 is connected, positive pole with
The emitter stage of audion VT3 is connected.The N pole of diode D6 is connected with the colelctor electrode of audion VT4, and P pole is after resistance R14
It is connected with the colelctor electrode of audion VT3.
Wherein, the negative pole of polar capacitor C9 is connected with the colelctor electrode of audion VT4, positive pole after resistance R16 with three poles
The colelctor electrode of pipe VT3 be connected after ground connection.The positive pole of polar capacitor C10 emitter stage with audion VT4 after resistance R13 is connected
Connecing, negative pole Same Name of Ends of limit former with transformator T inductance coil after resistance R17 is connected.The positive pole of polar capacitor C8 is through resistance
After R10, the colelctor electrode with audion VT2 is connected, and negative pole colelctor electrode with audion VT4 after adjustable resistance R15 is connected.
Meanwhile, one end of inductance L3 is connected with the negative pole of polar capacitor C8, the colelctor electrode phase of the other end and audion VT4
Connect.The N pole of diode D5 is connected with the base stage of audion VT5, and P pole is connected with the emitter stage of audion VT2.Polarity electricity
The positive pole colelctor electrode with audion VT2 after resistance R7 holding C6 is connected, and negative pole is connected with the colelctor electrode of audion VT5.
The positive pole of polar capacitor C2 is connected with a contact of two-way switch S, negative pole after resistance R18 with the colelctor electrode phase of audion VT5
Connect.
The base stage of described audion VT2 is connected with the N pole of diode D1；The grounded collector of described audion VT3；Institute
State the emitter stage of the audion VT5 positive pole with polar capacitor C21 after resistance R31 to be connected.
As in figure 2 it is shown, described three-terminal voltage-stabilizing circuit is by voltage stabilizing chip U3, audion VT6, audion VT7, audion VT8,
Field effect transistor MOS2, resistance R20, resistance R21, resistance R22, resistance R23, resistance R24, resistance R25, adjustable resistance R26, resistance
R27, resistance R28, resistance R29, inductance coil L4, polar capacitor C14, polar capacitor C15, polar capacitor C16, polar capacitor
C17, polar capacitor C18, polar capacitor C19, diode D7, diode D8, Zener diode D9, diode D10, and two poles
Pipe D11 forms.
During connection, the P pole of diode D8 is connected with the VIN pin of voltage stabilizing chip U3, and N pole is with resistance R1 and inductance L1's
Junction point is connected.One end of resistance R22 is connected with the N pole of diode D8, other end ground connection.The negative pole of polar capacitor C14
Being connected with the emitter stage of audion VT7, positive pole N pole with diode D8 after resistance R21 is connected.The P pole of diode D7
After resistance R20, the positive pole with polar capacitor C14 is connected, and N pole is connected with the colelctor electrode of audion VT6.Polar capacitor C15
Positive pole colelctor electrode with audion VT7 after resistance R23 be connected, negative pole is connected with the base stage of audion VT6.
Wherein, the positive pole of polar capacitor C16 base stage with audion VT6 after resistance R25 is connected, negative pole and audion
The emitter stage of VT8 is connected.The positive pole of polar capacitor C18 VOUT pin with voltage stabilizing chip U3 after resistance R27 is connected, negative
Pole ground connection.The P pole of diode D11 is connected with the colelctor electrode of audion VT8, N pole after resistance R29 with polar capacitor C18's
Negative pole is connected.The positive pole of polar capacitor C19 positive pole with polar capacitor C18 after resistance R28 is connected, negative pole and field effect
The grid of pipe MOS2 is connected.
Meanwhile, the positive pole of polar capacitor C17 is connected with the base stage of audion VT8, negative pole after inductance coil L4 with field
The source electrode of effect pipe MOS2 is connected.The N pole of diode D10 is connected with the grid of field effect transistor MOS2, and P pole is through resistance R24
Base stage with audion VT6 is connected afterwards.The P pole of Zener diode D9 is managed with the ADJ of voltage stabilizing chip U3 after adjustable resistance R26
Foot is connected, and N pole is connected with the source electrode of field effect transistor MOS2.
The base stage of described audion VT7 is connected with the VIN pin of voltage stabilizing chip U3；The P pole of described diode D10 also with
The emitter stage of audion VT6 is connected, and its N pole also negative pole with polar capacitor C17 is connected；The leakage of described field effect transistor MOS2
Pole ground connection, its source electrode the most also after resistance R30 VCC pin with control chip U2 be connected.Actually used for the present invention
Effect, described voltage stabilizing chip U3 the most preferentially have employed the integrated chip of LM117 and realizes.
As it is shown on figure 3, described voltage detecting circuit is by field effect transistor MOS3, field effect transistor MOS4, audion VT9, three poles
Pipe VT10, resistance R31, resistance R32, resistance R33, adjustable resistance R34, resistance R35, resistance R36, resistance R37, resistance R38, electricity
Resistance R39, resistance R40, resistance R41, resistance R42, polar capacitor C20, polar capacitor C21, polar capacitor C22, polar capacitor
C23, polar capacitor C24, polar capacitor C25, inductance L5, diode D12, diode D13, diode D14, and voltage stabilizing two pole
Pipe D15 forms.
During connection, the negative pole of polar capacitor C21 is connected with the base stage of audion VT9, positive pole after resistance R31 with non-thread
Property amplifying circuit is connected.The positive pole of polar capacitor C20 positive pole with polar capacitor C21 after resistance R33 is connected, and negative pole connects
Ground.The P pole of diode D12 positive pole with polar capacitor C21 after resistance R32 is connected, N pole after resistance R35 with audion
The colelctor electrode of VT9 is connected.The P pole of diode D13 emitter stage with audion VT9 after adjustable resistance R34 is connected, N pole
After resistance R38, the source electrode with field effect transistor MOS3 is connected.
Wherein, one end of resistance R39 is connected with the source electrode of field effect transistor MOS3, other end ground connection.Polar capacitor C22's
Positive pole is connected with the colelctor electrode of audion VT9, and negative pole grid with field effect transistor MOS3 after resistance R37 is connected.Polarity
The negative pole of electric capacity C23 emitter stage with audion VT10 after resistance R41 is connected, with diode D12's after positive electrode resistance R36
N pole is connected.The drain electrode with field effect transistor MOS3 after inductance L5 of the P pole of diode D14 is connected, N pole after resistance R40 with
The source electrode of field effect transistor MOS3 is connected.
Meanwhile, the negative pole of polar capacitor C24 is connected with the grid of field effect transistor MOS4, positive pole and field effect transistor MOS3
Source electrode is connected.The positive pole of polar capacitor C25 is connected with the base stage of audion VT10, negative pole after resistance R42 with field effect
The source electrode of pipe MOS4 is connected.The P pole of Zener diode D15 is connected with the colelctor electrode of audion VT10, and N pole is through resistance R43
Non-same polarity with transformator T inductance coil is connected afterwards.The drain electrode of described field effect transistor MOS3 and the negative pole of polar capacitor C23
It is connected；The grounded drain of described field effect transistor MOS4.
As shown in Figure 4, described overvoltage crowbar by field effect transistor MOS5, field effect transistor MOS6, field effect transistor MOS7, three
Pole pipe VT11, audion VT12, resistance R44, adjustable resistance R45, resistance R46, resistance R47, resistance R48, resistance R49, resistance
R50, adjustable resistance R51, resistance R52, resistance R53, critesistor RT, inductance L6, polar capacitor C26, polar capacitor C27, pole
Property electric capacity C28, polar capacitor C29, polar capacitor C30, diode D16, diode D17, diode D18, and voltage stabilizing two pole
Pipe D19 forms.
During connection, the negative pole of polar capacitor C26 source electrode with field effect transistor MOS6 after resistance R46 is connected, positive pole with
The negative pole of polar capacitor C13 is connected.One end of critesistor RT is connected with the drain electrode of field effect transistor MOS, the other end and pole
The positive pole of property electric capacity C26 is connected.The positive pole of polar capacitor C27 positive pole with polar capacitor C26 after resistance R44 is connected,
Minus earth.
Wherein, the P pole of diode D17 is connected with the grid of field effect transistor MOS6, N pole after resistance R49 with audion
The base stage of VT12 is connected.One end of adjustable resistance R45 is connected with the negative pole of polar capacitor C26, the other end and diode D17
N pole be connected.The drain electrode with field effect transistor MOS6 after inductance L6 of the positive pole of polar capacitor C28 is connected, negative pole and three poles
The emitter stage of pipe VT11 is connected.The P pole of diode D16 source electrode with field effect transistor MOS5 after resistance R47 is connected, N pole
After resistance R48, the positive pole with polar capacitor C28 is connected.
Meanwhile, the positive pole of polar capacitor C29 is connected with the base stage of audion VT12, minus earth.The P of diode D18
Pole negative pole with polar capacitor C29 after resistance R53 is connected, and N pole colelctor electrode with audion VT12 after resistance R52 is connected
Connect.The N pole of Zener diode D19 is connected with the N pole of diode D18, and P pole is connected with the drain electrode of field effect transistor MOS7.Pole
The positive pole of property electric capacity C30 colelctor electrode with audion VT11 after resistance R50 is connected, negative pole after adjustable resistance R51 with three
The colelctor electrode of pole pipe VT12 is connected.
The negative pole of described polar capacitor C26 is also connected with the grid of field effect transistor MOS5；The base of described audion VT12
Pole also positive pole with polar capacitor C28 is connected, and its emitter stage is connected with the base stage of audion VT11；Described field effect transistor
The grid of MOS7 is connected with the positive pole of polar capacitor C30, its source ground；The N pole of described Zener diode D19 is also with two-way
The b contact of switch S is connected.
During operation, the inductance L1 in this inverter, resistance R1, polar capacitor C1 define eraser, this eraser energy
Interference surging in output electric current is eliminated or suppresses, effectively raises the present invention suppression to the pulsation of output electric current
Ability, makes output electric current keep stable；And by field effect transistor MOS1 and the electronic component shape such as audion VT1 and adjustable resistance R9
The voltage that control chip U2 is exported by the booster circuit become is adjusted, and the voltage after this regulation is by audion VT2 and audion
The frequency of output electric current is carried out by the non-linear amplifying circuit that VT3 and the electronic component such as audion VT4 and audion VT5 are formed
Adjusting, the frequency making output electric current is more stable, higher；The operating frequency of transformator T is then defeated by non-linear amplifying circuit
Going out frequency to determine, rather than the output frequency of linear amplifier circuit is determined by adjustable resistance R15 the most again, regulation resistance R15 can
Suitably change the frequency of its work.Typically require that its frequency is identical with mains frequency, be 50Hz.
Wherein, the present invention also being provided with between the non-same polarity of non-linear amplifying circuit and transformator T inductance coil
Voltage detecting circuit energy, this circuit can effectively reduce Leakage Current and the damage of the voltage and current of non-linear amplifying circuit output
Power consumption stream, can effectively improve the power of the present invention；And the exception of voltage and current that non-linear amplifying circuit exports can be suppressed
Fluctuation, makes voltage and current keep stable, improves transformator T and can export stable voltage and current, thus improve this
Bright output voltage and the stability of electric current.
Meanwhile, circuit is also provided with the two-way switch S changing the duty of this inverter, when this switch
When being allocated to a point, the 12V voltage stabilization that accumulator J is exported by control chip U2 is 5V, as the running voltage of control chip U2；
Export 12V voltage after the regulation of this 5V voltage boosted circuit, meanwhile, this 12V voltage through audion VT2 and audion VT3 and
The frequency of voltage x current is amplified by the non-linear amplifying circuit that the electronic components such as audion VT4 and audion VT5 are formed, then
Being upgraded to 220V alternating current by transformator T is load supplying.When switching S and being allocated to b point, then switch S Yu a point disconnects, control chip
U2 power-off, control chip U2 is without output voltage, and boosting adjusts circuit and quits work, meanwhile, audion VT2, audion VT3, three
Pole pipe VT4, audion VT5 are turned off；Now, if transformator T secondary inductance coil-end accesses 220V civil power, then transformator T is just
The alternating voltage of 220V is reduced to 12V, provides to accumulator J after diode rectifier U1 rectification and fill wise man's voltage.
The present invention is also provided with overvoltage crowbar between diode rectifier U1 rectification and wave filter and accumulator J,
The instant high-voltage of the DC voltage after filters filter can be eliminated or suppress by this circuit, is effectively prevented rear end electricity
Sub-element and accumulator J are damaged by high voltage, ensure that stability and the reliability of the present invention.The three-terminal voltage-stabilizing of the present invention
The fluctuation that the 12V voltage of accumulator J output produces because of ambient temperature and circuit parameter and electromagnetic interference can be carried out by circuit
Suppression, even if control chip U2 can receive stable 12V voltage, effectively ensure that control chip U2 can export stable
5V voltage, thus improve the present invention and can export stable voltage and current.
For instruction inversion boosting and charging both duties, two parts circuit uses green LED VD1 respectively
Instruction as output inversion boosting shows, red light emitting diodes VD2 is as charging instruction display, to show this partial circuit
Connect.For ensureing that this inverter reliably works, just can connect people's mains supply when two-way switch S is allocated to b point, otherwise will
Affect the normal work of the present invention.
The inversion boosting of the present invention can use same transformator T to complete with charging, can effectively reduce current loss,
Greatly improve the output of the present invention, make the load capacity of the present invention obtain good raising, saved cost, energy
Well meet people's requirement at energy-conservation aspect.
As it has been described above, just can well realize the present invention.
Claims (8)
1. a charging based on overvoltage crowbar is with non-linear scale-up version inverter, it is characterised in that main by controlling
Chip U2, transformator T, diode rectifier U1, two-way switch S, accumulator J, the mistake being connected with the b contact of two-way switch S
Voltage protection circuit, positive pole is sequentially connected through resistance R1 a contact with two-way switch S after inductance L1, the polarity of minus earth
After a contact with two-way switch S after resistance R2, electric capacity C1, P pole is connected, N pole is connected with the GND pin of control chip U2
B contact with two-way switch S after resistance R3, light emitting diode VD1, the P pole of ground connection is connected, the light emitting diode of N pole ground connection
VD2, negative pole is connected with overvoltage crowbar, positive pole cathode output end with diode rectifier U1 after resistance R19 is connected
The polar capacitor C13 connect, positive pole is connected with the cathode output end of diode rectifier U1, negative pole and diode rectifier U1
Cathode output end be connected after the polar capacitor C12 of ground connection, positive pole is connected with the Same Name of Ends of transformator T secondary inductance coil,
The polar capacitor C11 that negative pole is connected with the non-same polarity of transformator T secondary inductance coil, input and resistance R1 and inductance L1
The three-terminal voltage-stabilizing circuit that junction point is connected, outfan is connected with the VCC pin of control chip U2 after resistance R30, point
The boosting adjustment circuit not being connected with the CHRG1 pin of control chip U2 and CHRG2 pin and PROG pin, respectively with liter
Pressure adjusts the non-linear amplifying circuit that circuit is connected with a contact and the transformator T former limit inductance coil of two-way switch S, with
And input is connected with non-linear amplifying circuit, outfan limit former with transformator T inductance coil non-of the same name after resistance R43
The voltage detecting circuit composition that end is connected；One of them input of described diode rectifier U1 and transformator T former limit electricity
After the tap of sense coil is connected, ground connection, the bar of lassoing a horse of its another input limit former with transformator T inductance coil are connected；Institute
The control of the positive pole and two-way switch S of stating accumulator J is connected, its minus earth.
A kind of charging based on overvoltage crowbar the most according to claim 1 with non-linear scale-up version inverter, its
Be characterised by, described overvoltage crowbar by field effect transistor MOS5, field effect transistor MOS6, field effect transistor MOS7, audion VT11,
Audion VT12, negative pole source electrode with field effect transistor MOS6 after resistance R46 is connected, the negative pole of positive pole and polar capacitor C13
The polar capacitor C26 being connected, one end is connected with the drain electrode of field effect transistor MOS, the positive pole phase of the other end and polar capacitor C26
The critesistor RT connected, positive pole positive pole with polar capacitor C26 after resistance R44 is connected, the polar capacitor of minus earth
C27, P pole is connected with the grid of field effect transistor MOS6, N pole base stage with audion VT12 after resistance R49 is connected two
Pole pipe D17, the adjustable resistance that one end is connected with the negative pole of polar capacitor C26, the other end is connected with the N pole of diode D17
R45, positive pole drain electrode with field effect transistor MOS6 after inductance L6 is connected, negative pole is connected with the emitter stage of audion VT11
Polar capacitor C28, P pole source electrode with field effect transistor MOS5 after resistance R47 is connected, N pole after resistance R48 with polar capacitor
The diode D16 that the positive pole of C28 is connected, positive pole is connected with the base stage of audion VT12, the polar capacitor of minus earth
C29, P pole negative pole with polar capacitor C29 after resistance R53 is connected, N pole after resistance R52 with the current collection of audion VT12
Diode D18, the N pole that pole is connected is connected with the N pole of diode D18, P pole is connected with the drain electrode of field effect transistor MOS7
Zener diode D19, and positive pole colelctor electrode with audion VT11 after resistance R50 is connected, negative pole is through adjustable resistance R51
The polar capacitor C30 composition that colelctor electrode with audion VT12 is connected afterwards；The negative pole of described polar capacitor C26 also with field effect
The grid of pipe MOS5 is connected；The base stage of described audion VT12 also positive pole with polar capacitor C28 is connected, its emitter stage with
The base stage of audion VT11 is connected；The grid of described field effect transistor MOS7 is connected with the positive pole of polar capacitor C30, its source electrode
Ground connection；The N pole of described Zener diode D19 is also connected with the b contact of two-way switch S.
A kind of charging based on overvoltage crowbar the most according to claim 2 with non-linear scale-up version inverter, its
Being characterised by, described voltage detecting circuit, by field effect transistor MOS3, field effect transistor MOS4, audion VT9, audion VT10, is born
The polar capacitor C21 that pole is connected with the base stage of audion VT9, positive pole is connected with non-linear amplifying circuit after resistance R31,
Positive pole positive pole with polar capacitor C21 after resistance R33 is connected, polar capacitor C20, the P pole of minus earth is after resistance R32
Be connected with the positive pole of polar capacitor C21, diode D12 that N pole colelctor electrode with audion VT9 after resistance R35 is connected,
P pole emitter stage with audion VT9 after adjustable resistance R34 is connected, N pole after resistance R38 with the source of field effect transistor MOS3
The diode D13 that pole is connected, one end is connected with the source electrode of field effect transistor MOS3, the resistance R39 of other end ground connection, positive pole with
The polar capacitor that the colelctor electrode of audion VT9 is connected, negative pole is connected with the grid of field effect transistor MOS3 after resistance R37
C22, negative pole emitter stage with audion VT10 after resistance R41 is connected, after positive electrode resistance R36 with the N pole phase of diode D12
Polar capacitor C23, the P pole connected drain electrode with field effect transistor MOS3 after inductance L5 is connected, N pole after resistance R40 with field
The diode D14 that the source electrode of effect pipe MOS3 is connected, negative pole is connected with the grid of field effect transistor MOS4, positive pole and field effect
The polar capacitor C24 that the source electrode of pipe MOS3 is connected, positive pole is connected with the base stage of audion VT10, negative pole is after resistance R42
The polar capacitor C25 being connected with the source electrode of field effect transistor MOS4, and P pole is connected with the colelctor electrode of audion VT10, N pole
The Zener diode D15 composition that non-same polarity with transformator T inductance coil is connected after resistance R43；Described field effect transistor
The drain electrode of MOS3 is connected with the negative pole of polar capacitor C23；The grounded drain of described field effect transistor MOS4.
A kind of charging based on overvoltage crowbar the most according to claim 3 with non-linear scale-up version inverter, its
Being characterised by, described three-terminal voltage-stabilizing circuit is by voltage stabilizing chip U3, audion VT6, audion VT7, audion VT8, field effect transistor
The diode that MOS2, P pole is connected with the VIN pin of voltage stabilizing chip U3, N pole is connected with the junction point of resistance R1 with inductance L1
D8, one end is connected with the N pole of diode D8, the resistance R22 of other end ground connection, and negative pole is connected with the emitter stage of audion VT7
Connect, polar capacitor C14, P pole that positive pole is connected with the N pole of diode D8 after resistance R21 after resistance R20 with polar capacitor
The diode D7 that the positive pole of C14 is connected, N pole is connected with the colelctor electrode of audion VT6, positive pole after resistance R23 with three poles
The polar capacitor C15 that the colelctor electrode of pipe VT7 is connected, negative pole is connected with the base stage of audion VT6, positive pole is after resistance R25
Be connected with the base stage of audion VT6, polar capacitor C16 that negative pole is connected with the emitter stage of audion VT8, positive pole is through resistance
After R27 the VOUT pin with voltage stabilizing chip U3 be connected, the current collection of polar capacitor C18, the P pole of minus earth and audion VT8
The diode D11 that pole is connected, N pole negative pole with polar capacitor C18 after resistance R29 is connected, positive pole after resistance R28 with
The polar capacitor C19 that the positive pole of polar capacitor C18 is connected, negative pole is connected with the grid of field effect transistor MOS2, positive pole and three
The polar capacitor that base stage is connected, negative pole is connected with the source electrode of field effect transistor MOS2 after inductance coil L4 of pole pipe VT8
Two poles that C17, N pole is connected with the grid of field effect transistor MOS2, P pole base stage with audion VT6 after resistance R24 is connected
Pipe D10, and P pole ADJ pin with voltage stabilizing chip U3 after adjustable resistance R26 is connected, the source of N pole and field effect transistor MOS2
The Zener diode D9 composition that pole is connected；The base stage of described audion VT7 is connected with the VIN pin of voltage stabilizing chip U3；Institute
State that the P pole of the diode D10 emitter stage also with audion VT6 is connected, its N pole also negative pole with polar capacitor C17 is connected；
The grounded drain of described field effect transistor MOS2, its source electrode the most also after resistance R30 VCC pin with control chip U2 be connected.
A kind of charging based on overvoltage crowbar the most according to claim 4 with non-linear scale-up version inverter, its
Being characterised by, described boosting adjusts circuit by field effect transistor MOS1, audion VT1, the drain electrode phase of positive pole and field effect transistor MOS1
Connect, polar capacitor C3, the P pole of minus earth grid with field effect transistor MOS1 after resistance R4 is connected, N pole is through resistance R5
The diode D1 being connected with the CHRG2 pin of control chip U2 afterwards, positive pole is connected with the grid of field effect transistor MOS1, negative pole
The polar capacitor C4 being connected with the source electrode of field effect transistor MOS1 after resistance R8, negative pole is connected with the base stage of audion VT1,
The CHRG1 pipe of polar capacitor C5, the P pole that positive pole is connected with the source electrode of field effect transistor MOS1 after inductance L2 and control chip U2
The diode D2 that foot is connected, N pole is connected with the colelctor electrode of audion VT1, and N pole after adjustable resistance R9 with audion
The diode D3 composition that the colelctor electrode of VT1 is connected, P pole is connected with the PROG pin of control chip U2 after resistance R6；Institute
State the negative pole of the polar capacitor C4 colelctor electrode also with audion VT1 to be connected；The grid of described field effect transistor MOS1 also with control
The VCC pin of chip U2 is connected；The emitter stage of described audion VT1 and the N pole of diode D1 are collectively forming boosting and adjust electricity
The outfan on road is also connected with non-linear amplifying circuit.
A kind of charging based on overvoltage crowbar the most according to claim 5 with non-linear scale-up version inverter, its
Being characterised by, described non-linear amplifying circuit is by audion VT2, audion VT3, audion VT4, audion VT5, P pole and three
The Zener diode D4 that the emitter stage of pole pipe VT1 is connected, N pole base stage with audion VT3 after resistance R11 is connected, negative
Pole polar capacitor that base stage is connected, positive pole is connected with the emitter stage of audion VT3 with audion VT4 after resistance R12
Two poles that C7, N pole is connected with the colelctor electrode of audion VT4, P pole colelctor electrode with audion VT3 after resistance R14 is connected
Pipe D6, after negative pole is connected with the colelctor electrode of audion VT4, positive pole colelctor electrode with audion VT3 after resistance R16 is connected
The polar capacitor C9 of ground connection, positive pole emitter stage with audion VT4 after resistance R13 is connected, negative pole after resistance R17 with change
The polar capacitor C10 that the Same Name of Ends of depressor T former limit inductance coil is connected, positive pole after resistance R10 with the current collection of audion VT2
The polar capacitor C8 that pole is connected, negative pole colelctor electrode with audion VT4 after adjustable resistance R15 is connected, one end and polarity
Inductance L3, the N pole that the negative pole of electric capacity C8 is connected, the other end is connected with the colelctor electrode of audion VT4 and the base of audion VT5
The diode D5 that pole is connected, P pole is connected with the emitter stage of audion VT2, positive pole after resistance R7 with the collection of audion VT2
The polar capacitor C6 that electrode is connected, negative pole is connected with the colelctor electrode of audion VT5, and positive pole is tactile with a of two-way switch S
The polar capacitor C2 composition that point is connected, negative pole colelctor electrode with audion VT5 after resistance R18 is connected；Described audion
The base stage of VT2 is connected with the N pole of diode D1；The grounded collector of described audion VT3；The transmitting of described audion VT5
Pole positive pole with polar capacitor C21 after resistance R31 is connected.
A kind of charging based on overvoltage crowbar the most according to claim 6 with non-linear scale-up version inverter, its
Being characterised by, described control chip U2 is the integrated chip of SX5058.
A kind of charging based on overvoltage crowbar the most according to claim 6 with non-linear scale-up version inverter, its
Being characterised by, described voltage stabilizing chip U3 is the integrated chip of LM117.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610667815.4A CN106100410A (en) | 2016-08-15 | 2016-08-15 | A kind of charging based on overvoltage crowbar is with non-linear scale-up version inverter |
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| CN201610667815.4A CN106100410A (en) | 2016-08-15 | 2016-08-15 | A kind of charging based on overvoltage crowbar is with non-linear scale-up version inverter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110971114A (en) * | 2019-12-19 | 2020-04-07 | 北京德亚特应用科技有限公司 | Overvoltage protection circuit and power supply equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110971114A (en) * | 2019-12-19 | 2020-04-07 | 北京德亚特应用科技有限公司 | Overvoltage protection circuit and power supply equipment |
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