CN201332293Y - Reverse charging converter of electric motor car - Google Patents

Reverse charging converter of electric motor car Download PDF

Info

Publication number
CN201332293Y
CN201332293Y CNU2009201260778U CN200920126077U CN201332293Y CN 201332293 Y CN201332293 Y CN 201332293Y CN U2009201260778 U CNU2009201260778 U CN U2009201260778U CN 200920126077 U CN200920126077 U CN 200920126077U CN 201332293 Y CN201332293 Y CN 201332293Y
Authority
CN
China
Prior art keywords
resistance
module
constant current
power supply
boost module
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CNU2009201260778U
Other languages
Chinese (zh)
Inventor
熊代荣
王先凤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CNU2009201260778U priority Critical patent/CN201332293Y/en
Application granted granted Critical
Publication of CN201332293Y publication Critical patent/CN201332293Y/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries

Landscapes

  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

A reverse charging converter of electric motor car comprises a back electromotive force pre-collecting module 1, a constant current voltage boosting module 2, a self-power supply module 3, a switch power supply integrated controller 4 and a discriminating module 5, the reverse charging converter is separated and extracted from the circuit by a reverse electromotive force lower than the accumulator cell voltage, and charges the accumulator cell through voltage boosting by the mode of constant current, so that the about 30% energy consumption of the electric motor car is economized, the battery service life is prolonged and the running mileage is increased.

Description

Electric vehicle inverse charging converter
Technical field
The utility model relates to a kind of energy saver that is used for electric motor car, particularly a kind of electric vehicle inverse charging device.
Background technology
When electric motor car does not have gearshift and starts easily, particularly upper and lower slope, city, mountain region is more in the city, therefore slides or brakes frequent.When electric motor car when sliding or brake, motor windings produces back electromotive force because of cutting magnetic line, electric vehicle inverse charging converter is collected the back electromotive force that produces and be stored in the storage battery.Present electric vehicle inverse charging circuit as shown in figure 10.The deficiency of this technology has: (1) is because the speed of a motor vehicle of electric motor car generally all is lower than 50Km/h, the back electromotive force that produces is less than battery tension (general electromobile battery is 36V or 48V), so back electromotive force can't charge to storage battery, caused the waste of the energy; (2) because storage battery expends too fastly, cause charge in batteries frequent, shortened the useful life of storage battery.
The utility model content
The purpose of this utility model just provides a kind of electric vehicle inverse charging converter, it is to come out by back electromotive force separation and Extraction from circuit that will be lower than battery tension, by boosting with current constant mode, saved the energy consumption of electric motor car about 30% again to charge in batteries.
The purpose of this utility model is to realize by such technical scheme, it includes back-emf and collects module in advance, the constant current boost module, the self-powered module, Switching Power Supply integrated manipulator and discrimination module, the input that back-emf is collected module in advance links to each other with three phase lines of motor, back-emf is collected the height of module in advance, the electronegative potential output respectively with the height of constant current boost module, the electronegative potential input connects, the positive charging end of constant current boost module links to each other with battery positive voltage, the negative charging end of constant current boost module is connected with battery terminal negative, constant current boost module feeder ear links to each other with the input of self-powered module, the charging current feedback end of constant current boost module is connected with the charging current receiving terminal of Switching Power Supply integrated manipulator, constant current boost module Be Controlled input links to each other with Switching Power Supply integrated manipulator control output end, the upper limit final voltage sampling output of constant current boost module is connected with the upper limit final voltage receiving terminal of Switching Power Supply integrated manipulator, the power input of Switching Power Supply integrated manipulator is connected with self-powered modular power source output, the signal input end of Switching Power Supply integrated manipulator is connected with the control signal output ends of discrimination module, and the signal input part of discrimination module is arranged on the vehicle electric circuitry.
During use, the phase line of vehicle electric circuitry is passed the signal input part of discrimination module of the present utility model.When the charged work of electric motor car, the motor phase line produces alternating current, the signal input part of discrimination module has been sensed electric current and has been passed through, the control signal output ends of discrimination module sends high level to the Switching Power Supply integrated manipulator, output control signal in Switching Power Supply integrated manipulator control output end is given the constant current boost module, makes the constant current boost module be in holding state and does not collect back electromotive force, if collect back electromotive force during charged work, electric motor car operation power is descended, do not collect meaning; When electric motor car when sliding or brake, the signal input part of discrimination module is sensed small electric stream and is passed through, the control signal output ends of discrimination module sends low level to the Switching Power Supply integrated manipulator, Switching Power Supply integrated manipulator control output end output control signal is given the constant current boost module, make the work of constant current boost module, after back-emf is collected back electromotive force that module collects in advance and is boosted by the constant current boost module, be charge in batteries, after the constant current boost module collects charging current and charging voltage, pass to the Switching Power Supply integrated manipulator by the charging current feedback end of constant current boost module and the upper limit final voltage receiving terminal of constant current boost module, the Switching Power Supply integrated manipulator compares charging current and preset reference comparison value, and charging voltage and storage battery upper voltage limit are relatively.When charging current during greater than the preset reference comparison value, the control output end of Switching Power Supply integrated manipulator transmits control signal to the constant current boost module, shorten the pressure rising time of constant current of following one-period boost module, the energy storage of constant current boost module is tailed off, the charging current in following one-period will descend; When charging current during less than the preset reference comparison value, the control output end of Switching Power Supply integrated manipulator transmits control signal to the constant current boost module, extend pressure rising time of constant current of following one-period boost module, make the energy storage of constant current boost module become many, following one-period charging current will rise; When charging voltage during greater than the storage battery upper voltage limit, the upper limit final voltage sampling output of constant current boost module sends signal to the Switching Power Supply integrated manipulator, Switching Power Supply integrated manipulator control constant current boost module, the constant current boost module is quit work does not boost, following one-period charging voltage will descend.In the course of the work, the constant current boost module is the self-powered module for power supply, and the self-powered module provides working power for the utility model, and promptly when electric vehicle power sources was closed, the utility model still can operate as normal.
The utility model boosts back electromotive force and stores the back and be charge in batteries, thereby potential energy during with electric motor vehicle sliding or brake and kinetic energy are converted into electric energy and are stored in the storage battery, are that about 30% energy consumption is saved in electric motor car.
Because the utility model is collected back electromotive force and to the continuous reverse charge of storage battery, prevented that storage battery is aging, and storage battery is had repair, prolongs the life-span of storage battery.
The utility model transforms electric vehicle brake and kinetic energy and potential energy when sliding and be stored in the storage battery, prolongs the distance travelled after storage battery once charges.
Owing to adopted technique scheme, the utlity model has following advantage: (1) saves the energy consumption about 30% of electric motor car; (2) repair storage battery, prolong storage battery useful life; (3) distance travelled after the prolongation storage battery once charges.
Description of drawings
Description of drawings of the present utility model is as follows:
Fig. 1 is a theory diagram of the present utility model;
Fig. 2 is first kind of circuit diagram of the present utility model;
Fig. 3 is second kind of circuit diagram of the present utility model;
Fig. 4 is the discrimination module circuit diagram;
Fig. 5 collects the modular circuit schematic diagram in advance for back-emf;
Fig. 6 is an adaptive sampling circuit schematic diagram;
Fig. 7 is first kind of circuit diagram of constant current boost module;
Fig. 8 is second kind of circuit diagram of constant current boost module;
Fig. 9 is a self-powered modular circuit schematic diagram;
Figure 10 background technology circuit diagram;
Circuit diagram when Figure 11 uses for the utility model;
Among the figure: 1. back-emf is collected module in advance; 2. constant current boost module; 3. self-powered module; 4. Switching Power Supply integrated manipulator; 5. discrimination module; 6. adaptive sampling circuit; 7. electric motor car instrument, light; 8. brushless motor controller; 9. handle; 10. brake; 11. non-brush permanent-magnet DC motor position transducer.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
As shown in Figure 1, the utility model includes back-emf and collects module 1 in advance, constant current boost module 2, self-powered module 3, Switching Power Supply integrated manipulator 4 and discrimination module 5, back-emf is collected the input K24 of module 1 and three phase line A of motor in advance, B, C links to each other, back-emf is collected the height of module 1 in advance, electronegative potential output K1, K2 respectively with the height of constant current boost module 2, electronegative potential input K3, K4 connects, the positive charging end K5 of constant current boost module 2 links to each other with storage batteries D is anodal, constant current boost module 2 negative charging end K19 are connected with the storage batteries D negative pole, constant current boost module 2 feeder ear K6 link to each other with the input K7 of self-powered module 3, the charging current feedback end K8 of constant current boost module 2 is connected with the charging current receiving terminal K9 of Switching Power Supply integrated manipulator 4, constant current boost module 2 Be Controlled input K10 link to each other with Switching Power Supply integrated manipulator 4 control output end K11, the upper limit final voltage sampling output K12 of constant current boost module 2 is connected with the upper limit final voltage receiving terminal K13 of Switching Power Supply integrated manipulator 4, the power input K14 of Switching Power Supply integrated manipulator 4, K20 respectively with self-powered module 3 power output end K15, K21 connects, the signal input end K16 of Switching Power Supply integrated manipulator 4 is connected with the control signal output ends K17 of discrimination module 5, and the signal input part K22 of discrimination module 5 is arranged on the electric motor car phase alignment circuit.
During use, the phase line of vehicle electric circuitry is passed the signal input part K22 of discrimination module 5 of the present utility model.When the charged work of electric motor car, the motor phase line produces alternating current, the signal input part K22 of discrimination module 5 has sensed electric current and has passed through, the control signal output ends K17 of discrimination module 5 sends high level to Switching Power Supply integrated manipulator 4, Switching Power Supply integrated manipulator 4 control output end K11 output control signal is given constant current boost module 2, make constant current boost module 2 be in holding state and do not collect back electromotive force, if collect back electromotive force during charged work, electric motor car operation power is descended, do not collect meaning; When electric motor car when sliding or brake, the signal input part K22 of discrimination module 5 senses small electric stream and passes through, the control signal output ends K17 of discrimination module 5 sends low level to Switching Power Supply integrated manipulator 4, the control output end K11 output control signal of Switching Power Supply integrated manipulator 4 is given constant current boost module 2, make 2 work of constant current boost module, after back-emf is collected back electromotive force that module 1 collects in advance and is boosted by constant current boost module 2, be the storage batteries D charging, after constant current boost module 2 collects charging current and charging voltage, pass to Switching Power Supply integrated manipulator 4 by the charging current feedback end K8 of constant current boost module 2 and the upper limit final voltage receiving terminal K12 of constant current boost module 2, Switching Power Supply integrated manipulator 4 compares charging current and preset reference comparison value, and charging voltage and storage batteries D upper voltage limit are relatively.When charging current during greater than the preset reference comparison value, the control output end K11 of Switching Power Supply integrated manipulator 4 transmits control signal to constant current boost module 2, shorten the pressure rising time of constant current of following one-period boost module 2, the energy storage of constant current boost module 2 is tailed off, and the charging current in following one-period will descend; When charging current during less than the preset reference comparison value, the control output end K11 of Switching Power Supply integrated manipulator control 4 transmits control signal to constant current boost module 2, extend pressure rising time of constant current of following one-period boost module 2, make the energy storage of constant current boost module 2 become many, following one-period charging current will rise; When charging voltage during greater than the storage batteries D upper voltage limit, the upper limit final voltage sampling output K12 of constant current boost module 2 sends signal to Switching Power Supply integrated manipulator 4, Switching Power Supply integrated manipulator 4 control constant current boost modules 2, constant current boost module 2 is quit work does not boost, following one-period charging voltage will descend.In the course of the work, constant current boost module 2 is 3 power supplies of self-powered module, and self-powered module 3 is for the utility model provides working power, and promptly when electric vehicle power sources was closed, the utility model still can operate as normal.
In order further to improve the efficient that the back electromotive force of electric motor car speed of a motor vehicle when very fast stores charging, the utility model includes adaptive sampling circuit 6 as shown in Figure 6, adaptive sampling circuit 6 includes first resistance R 1, the second adjustable resistance R2, the 3rd resistance R 3, first resistance R 1, the second adjustable resistance R2 and the 3rd resistance R 3 are connected successively, one end of one end of first resistance R 1 and the 3rd resistance R 3 is collected the height of module 1 respectively in advance with back-emf, electronegative potential output K1, K2 links to each other, and the adjustable end of second adjustable resistance is connected with Switching Power Supply integrated manipulator 4 reference current receiving terminal K18.
The adaptive sampling circuit provides the benchmark comparison value for Switching Power Supply integrated manipulator 4, the benchmark comparison value is the magnitude of voltage of the adjustable end of the second adjustable resistance R2, when electric motor car slides fast, back electromotive force increases, the voltage of the adjustable end of the second adjustable resistance R2 also increases thereupon, and the benchmark comparison value that adaptive sampling circuit 6 is sent to Switching Power Supply integrated manipulator 4 will increase, and causes charging current to increase, fill under the situation of charging current perhaps being no more than storage batteries D, the big more charge efficiency of charging current is high more.
As shown in Figure 5, back-emf is collected module 1 in advance and is included the rectified three-phase circuit and first capacitor C 1, three phase line A, B, the C of motor link to each other with the input of rectified three-phase circuit, first capacitor C 1 is connected rectified three-phase circuit two outputs, the link of the rectified three-phase circuit and first capacitor C 1 is high and low current potential output K1, the K2 that back-emf is collected module 1 in advance, and the input of rectified three-phase circuit is the input K24 that back-emf is collected module 1 in advance.
When electric motor vehicle sliding or brake, the coil winding cutting magnetic line, produced back electromotive force, motor transfers to the three phase rectifier filter circuit that back-emf is collected module 1 in advance by three phase line A, B, C, through storing in advance in first capacitor C 1 behind the rectifying and wave-filtering, high and low current potential output K1, the K2 that collects module 1 in advance by back-emf is sent to constant current boost module 2 again.
As shown in Figure 3, for back electromotive force being stored and boosting, constant current boost module 2 includes first inductance L 1, the 7th field effect transistor Q7, the 4th resistance R 4, the 5th adjustable resistance R5, the 6th resistance R 6, sample resistance Rn, second capacitor C 2, the 13 diode D13 and the 22 diode D22, first inductance L, 1 one ends are the high potential input K3 of constant current boost module 2, first inductance L, 1 other end links to each other with the 13 diode D13 is anodal with the 7th field effect transistor Q7 drain electrode respectively, the source electrode of the 7th field effect transistor Q7 is the electronegative potential input K4 of constant current boost module 2, the grid of the 7th field effect transistor Q7 is Be Controlled input K10, the negative pole of the 13 diode D13 is connected with the positive pole of the 22 diode D22, the negative pole of the 22 diode D22 is constant current boost module 2 positive charging end K5, the negative pole of the 13 diode D13 is successively by the 4th resistance R 4, the 5th adjustable resistance R5, the 6th resistance R 6 is connected with the source electrode of the 7th field effect transistor Q7, the source electrode link ground connection of the 6th resistance R 6 and the 7th field effect transistor Q7, the adjustable end of the 5th adjustable resistance R5 is upper limit final voltage sampling output K12, the negative pole of the 13 diode D13 is connected with the earth terminal of the 6th resistance R 6 by second capacitor C 2, the link of the positive pole of second capacitor C 2 and the 13 diode D13 negative pole is constant current boost module 2 feeder ear K6, the negative pole of second capacitor C 2 is connected with sample resistance Rn one end with the link of the 6th resistance R 6, and the other end of sample resistance Rn is that the charging current feedback end K8 of constant current boost module 2 also is constant current boost module 2 negative charging end K19.
When 2 pairs of back electromotive force of constant current boost module store when boosting, Switching Power Supply integrated manipulator 4 sends control signal and gives the 7th field effect transistor Q7, makes the 7th field effect transistor Q7 conducting, and this moment, back electromotive force was stored on first inductance L 1.When constant current boost module 2 needs charging, Switching Power Supply integrated manipulator 4 sends control signal and gives the 7th field effect transistor Q7, the 7th field effect transistor Q7 is ended, and the back electromotive force that be stored on first inductance L 1 this moment charges to storage batteries D by the 13 diode D13 and the 22 diode D22.The magnitude of voltage of sample resistance Rn is the charging current respective value during charging, constant current boost module 2 feeds back to Switching Power Supply integrated manipulator 4 with the current value of sample resistance Rn, after 4 pairs of charging currents of Switching Power Supply integrated manipulator and benchmark comparison value compare, transmit control signal and control the 7th field effect transistor Q7 conducting, end.When the upper voltage limit of charging voltage greater than storage batteries D, then the adjustable end of the 5th adjustable resistance feeds back to Switching Power Supply integrated manipulator 4 with magnitude of voltage, and Switching Power Supply integrated manipulator 4 transmits control signal and controls the 7th field effect transistor Q7 and end.
The sample resistance heating causes waste to energy in the course of work, and as shown in Figure 2, constant current boost module 2 can feed back to Switching Power Supply integrated manipulator 4 with charging voltage by current sensor.Constant current boost module 2 includes first inductance L 1, the 7th field effect transistor Q7, the 4th resistance R 4, the 5th adjustable resistance R5, the 6th resistance R 6, the second current sensor T2, the two-phase current rectifying and wave filtering circuit, second capacitor C 2, the 13 diode D13 and the 22 diode D22, first inductance L, 1 one ends are the high potential input K3 of constant current boost module 2, first inductance L, 1 other end and the 7th field effect transistor Q7 drain electrode links to each other and the signal input part that passes the second current sensor T2 links to each other with the positive pole of the 13 diode D13, the source electrode of the 7th field effect transistor Q7 is the electronegative potential input K4 of constant current boost module 2, the grid of the 7th field effect transistor Q7 is Be Controlled input K10, the induction end of the second current sensor T2 links to each other with the input of two-phase current rectifying and wave filtering circuit, the output of two-phase current rectifying and wave filtering circuit is the charging current feedback end K8 of constant current boost module 2, the negative pole of the 13 diode D13 is connected with the positive pole of the 22 diode D22, the negative pole of the 22 diode D22 is constant current boost module 2 positive charging end K5, the negative pole of the 13 diode D13 is successively by the 4th resistance R 4, the 5th adjustable resistance R5, the 6th resistance R 6 is connected with the source electrode of the 7th field effect transistor Q7, the source electrode link ground connection of the 6th resistance R 6 and the 7th field effect transistor Q7, the adjustable end of the 5th adjustable resistance R5 is upper limit final voltage sampling output K12, the negative pole of the 13 diode D13 is connected with the earth terminal of the 6th resistance R 6 by second capacitor C 2, the link of the positive pole of second capacitor C 2 and the 13 diode D13 negative pole is constant current boost module 2 feeder ear K6, and the link of the negative pole of second capacitor C 2 and the 6th resistance R 6 is the negative charging end K19 of constant current boost module 2.
When 2 pairs of back electromotive force of constant current boost module store when boosting, Switching Power Supply integrated manipulator 4 sends control signal and gives the 7th field effect transistor Q7, makes the 7th field effect transistor Q7 conducting, and this moment, back electromotive force was stored on first inductance L 1.When constant current boost module 2 needs charging, Switching Power Supply integrated manipulator 4 sends control signal and gives the 7th field effect transistor Q7, the 7th field effect transistor Q7 is ended, and the energy that be stored on first inductance L 1 this moment charges to storage batteries D by the 13 diode D13 and the 22 diode D22.There is electric current to pass the signal input part of the second current sensor T2 during storage batteries D charging, the induction end of the second current sensor T2 produces the induced current that is directly proportional with charging current, induced electromotive force feeds back to Switching Power Supply integrated manipulator 4 through behind the current rectifying and wave filtering circuit, after 4 pairs of charging currents of Switching Power Supply integrated manipulator and benchmark comparison value compare, transmit control signal and control the 7th field effect transistor Q7 conducting, end.When the upper voltage limit of charging voltage greater than storage batteries D, then the adjustable end of the 5th adjustable resistance feeds back to Switching Power Supply integrated manipulator 4 with magnitude of voltage, and Switching Power Supply integrated manipulator 4 transmits control signal and controls the 7th field effect transistor Q7 and end.。
The utility model only needs to carry out self-powered 3 by the self-powered module in the course of the work, self-powered module 3 includes the 12 resistance R 12 as shown in Figure 9, the 11 resistance R 11 first pressurizer W1 and the second pressurizer W2, the 12 resistance R 12 1 ends are the input K7 of self-powered module 3, the other end of the 12 resistance R 12 is successively by the first pressurizer W1, the 11 resistance R 11 is connected with the end of the second pressurizer W2, the other end of the second pressurizer W2 is self-powered module 3 power output end K15, power Vcc is connected on the link of the 11 resistance R 11 and the first pressurizer W1, power Vcc, the link of the 11 resistance R 11 and the first pressurizer W1 is self-powered module 3 power output end K21.
The judgment signal that Switching Power Supply integrated manipulator 4 sends by discrimination module 5 differentiate electric motor car whether be in slide, braking state.If electric motor car is in charged operating state, discrimination module 5 sends high level to Switching Power Supply integrated manipulator 4, and Switching Power Supply integrated manipulator 4 controls the 7th field effect transistor Q7 ends always, and the utility model is in holding state; If electric motor car is in and slides or braking state, discrimination module 5 sends low level to Switching Power Supply integrated manipulator 4, the utility model is in running order, root a tree name formula V2=V1/1-K, K=Ton/T, T=Ton+Toff, V1 is a back electromotive force, V2 is a charging voltage, Ton is an ON time in the 7th field effect transistor Q7 one-period, deadline in Toff the 7th field effect transistor Q7 one-period, it is the size of scalable charging voltage V2 that 4 of Switching Power Supply integrated manipulators need to change interior the 7th field effect transistor Q7 ON time Ton of one-period.Switching Power Supply integrated manipulator 4 compares charging voltage value and the benchmark comparison value that feeds back, if charging voltage value is greater than the benchmark comparison value, then Switching Power Supply integrated manipulator 4 is controlled the 7th field effect transistor Q7, make Toff deadline of the 7th field effect transistor Q7 in the one-period elongated, diminish according to formula next cycle charging voltage; If charging voltage value is less than the benchmark comparison value, then Switching Power Supply integrated manipulator 4 controls the 7th field effect transistor Q7 makes Ton deadline of the 7th field effect transistor Q7 in the one-period elongated, becomes big according to the charging voltage of formula following one-period; If charging voltage is too big, surpassed the upper voltage limit of storage batteries D, the 5th adjustable resistance feeds back to Switching Power Supply integrated manipulator 4 voltages, and Switching Power Supply integrated manipulator 4 controls the 7th field effect transistor Q7 ends, and makes charging voltage finally get back to the benchmark comparison value.In order to finish above work, Switching Power Supply integrated manipulator 4 can be a PWM type switch power controller, also can be single-chip microcomputer.
Discrimination module 5 mainly is for judgment signal being provided for Switching Power Supply integrated manipulator 4, as shown in Figure 4, it includes the first current sensor T1, the two-phase current rectifying and wave filtering circuit, the first comparator IC1, the 9th resistance R 9 and the tenth resistance R 10, the signal input part of the first current sensor T1 is the signal input part K22 of discrimination module 5, the induction end of the first current sensor T1 is connected with the input of two-phase current rectifying and wave filtering circuit, the high-voltage output end of two-phase current rectifying and wave filtering circuit is connected with the in-phase end of the first comparator IC1, the low-voltage output of two-phase current rectifying and wave filtering circuit is connected with the backward end of the first comparator IC1 by the tenth resistance R 10, the tenth resistance R 10 is connected with power Vcc by the 9th resistance R 9 with the link of the first comparator IC1 backward end, power Vcc is connected with the power input of the first comparator IC1, and the output of the first comparator IC1 is the control signal output ends K17 of discrimination module 5.
When electric motor car is charged when travelling, storage batteries D provides the alternation current of commutation for the electric vehicle motor phase line, the signal input part of the first current sensor T1 has electric current to pass through, induction end at the first current sensor T1 produces induced potential, induced potential is sent to the in-phase end of the first comparator IC1 after by current rectifying and wave filtering circuit, the first comparator IC1 in-phase end voltage is greater than backward end voltage at this moment, and the first comparator IC1 sends high level to Switching Power Supply integrated manipulator 4, and the utility model quits work; When electric motor vehicle sliding or brake, first comparator C, 1 in-phase end voltage is less than oppositely holding mutually, and the first comparator IC1 sends low level to Switching Power Supply integrated manipulator 4, and the utility model is started working.

Claims (9)

1. electric vehicle inverse charging converter, it is characterized in that: it includes back-emf and collects module (1) in advance, constant current boost module (2), self-powered module (3), Switching Power Supply integrated manipulator (4) and discrimination module (5), back-emf is collected three phase lines (A) of input (K24) Yu the motor of module (1) in advance, (B), (C) link to each other, back-emf is collected the height of module (1) in advance, electronegative potential output (K1), (K2) respectively with the height of constant current boost module (2), electronegative potential input (K3), (K4) connect, the positive charging end (K5) of constant current boost module (2) links to each other with storage battery (D) is anodal, the negative charging end (K19) of constant current boost module (2) is connected with storage battery (D) negative pole, constant current boost module (2) feeder ear (K6) links to each other with the input (K7) of self-powered module (3), the charging current feedback end (K8) of constant current boost module (2) is connected with the charging current receiving terminal (K9) of Switching Power Supply integrated manipulator (4), constant current boost module (2) Be Controlled input (K10) links to each other with Switching Power Supply integrated manipulator (4) control output end (K11), the upper limit final voltage sampling output (K12) of constant current boost module (2) is connected with the upper limit final voltage receiving terminal (K13) of Switching Power Supply integrated manipulator (4), the power input (K14) of Switching Power Supply integrated manipulator (4), (K20) respectively with self-powered module (3) power output end (K15), (K21) connect, the signal input end (K16) of Switching Power Supply integrated manipulator (4) is connected with the control signal output ends (K17) of discrimination module (5), and the signal input part (K22) of discrimination module (5) is arranged on the electric motor car phase alignment circuit.
2. a kind of electric vehicle inverse charging converter as claimed in claim 1, it is characterized in that: it also includes adaptive sampling circuit (6), adaptive sampling circuit (6) includes first resistance (R1), second adjustable resistance (R2), the 3rd resistance (R3), first resistance (R1), second adjustable resistance (R2) and the 3rd resistance (R3) are connected successively, one end of one end of first resistance (R1) and the 3rd resistance (R3) is collected the height of module (1) respectively in advance with back-emf, electronegative potential output (K1), (K2) link to each other, the adjustable end of second adjustable resistance is connected with Switching Power Supply integrated manipulator (4) reference current receiving terminal (K18).
3. a kind of electric vehicle inverse charging converter as claimed in claim 1 or 2, it is characterized in that: back-emf is collected module (1) in advance and is included rectified three-phase circuit and first electric capacity (C1), three phase lines (A) of motor, (B), (C) link to each other with the input of rectified three-phase circuit, first electric capacity (C1) is connected rectified three-phase circuit two outputs, the link of rectified three-phase circuit and first electric capacity (C1) is the height that back-emf is collected module (1) in advance, electronegative potential output (K1), (K2), the input of rectified three-phase circuit is the input (K24) that back-emf is collected module (1) in advance.
4. a kind of electric vehicle inverse charging converter as claimed in claim 1 or 2, it is characterized in that: constant current boost module (2) includes first inductance (L1), the 7th field effect transistor (Q7), the 4th resistance (R4), the 5th adjustable resistance (R5), the 6th resistance (R6), sample resistance (Rn), second electric capacity (C2), the 13 diode (D13) and the 22 diode (D22), first inductance (L1) end is the high potential input (K3) of constant current boost module (2), first inductance (L1) other end links to each other with the 7th field effect transistor (Q7) drain electrode and the 13 diode (D13) are anodal respectively, the source electrode of the 7th field effect transistor (Q7) is the electronegative potential input (K4) of constant current boost module (2), the grid of the 7th field effect transistor (Q7) is Be Controlled input (K10), the negative pole of the 13 diode (D13) is connected with the positive pole of the 22 diode (D22), the negative pole of the 22 diode (D22) is the positive charging end (K5) of constant current boost module (2), the negative pole of the 13 diode (D13) is successively by the 4th resistance (R4), the 5th adjustable resistance (R5), the 6th resistance (R6) is connected with the source electrode of the 7th field effect transistor (Q7), the source electrode link ground connection of the 6th resistance (R6) and the 7th field effect transistor (Q7), the adjustable end of the 5th adjustable resistance (R5) is upper limit final voltage sampling output (K12), the negative pole of the 13 diode (D13) is connected with the earth terminal of the 6th resistance (R6) by second electric capacity (C2), the link of the positive pole of second electric capacity (C2) and the 13 diode (D13) negative pole is constant current boost module (a 2) feeder ear (K6), the negative pole of second electric capacity (C2) is connected with sample resistance (Rn) end with the link of the 6th resistance (R6), and the other end of sample resistance (Rn) is that the charging current feedback end (K8) of constant current boost module (2) also is the negative charging end (K19) of constant current boost module (2).
5. a kind of electric vehicle inverse charging converter as claimed in claim 1 or 2, it is characterized in that: constant current boost module (2) includes first inductance (L1), the 7th field effect transistor (Q7), the 4th resistance (R4), the 5th adjustable resistance (R5), the 6th resistance (R6), second current sensor (T2), the two-phase current rectifying and wave filtering circuit, second electric capacity (C2), the 13 diode (D13) and the 22 diode (D22), first inductance (L1) end is the high potential input (K3) of constant current boost module (2), the drain electrode of first inductance (L1) other end and the 7th field effect transistor (Q7) links to each other and the signal input part that passes second current sensor (T2) links to each other with the positive pole of the 13 diode (D13), the source electrode of the 7th field effect transistor (Q7) is the electronegative potential input (K4) of constant current boost module (2), the grid of the 7th field effect transistor (Q7) is Be Controlled input (K10), the induction end of second current sensor (T2) links to each other with the input of two-phase current rectifying and wave filtering circuit, the output of two-phase current rectifying and wave filtering circuit is the charging current feedback end (K8) of constant current boost module (2), the negative pole of the 13 diode (D13) is connected with the positive pole of the 22 diode (D22), the negative pole of the 22 diode (D22) is the positive charging end (K5) of constant current boost module (2), the negative pole of the 13 diode (D13) is successively by the 4th resistance (R4), the 5th adjustable resistance (R5), the 6th resistance (R6) is connected with the source electrode of the 7th field effect transistor (Q7), the source electrode link ground connection of the 6th resistance (R6) and the 7th field effect transistor (Q7), the adjustable end of the 5th adjustable resistance (R5) is upper limit final voltage sampling output (K12), the negative pole of the 13 diode (D13) is connected with the earth terminal of the 6th resistance (R6) by second electric capacity (C2), the anodal link with the 13 diode (D13) negative pole of second electric capacity (C2) is constant current boost module (a 2) feeder ear (K6), and the link of second electric capacity (C2) negative pole and the 6th resistance (R6) is the negative charging end (K19) of constant current boost module (2).
6. a kind of electric vehicle inverse charging converter as claimed in claim 1 or 2, it is characterized in that: self-powered module (3) includes the 12 resistance (R12), the 11 resistance (R11), first pressurizer (W1) and second pressurizer (W2), the 12 resistance (R12) end is the input (K7) of self-powered module (3), the other end of the 12 resistance (R12) is successively by first pressurizer (W1), the 11 resistance (R11) is connected with an end of second pressurizer (W2), the other end of second pressurizer (W2) is self-powered module (a 3) power output end (K15), power supply (Vcc1) is connected on the link of the 11 resistance (R11) and first pressurizer (W1), power supply (Vcc1), the link of the 11 resistance (R11) and first pressurizer (W1) is self-powered module (a 3) power output end (K21).
7. a kind of electric vehicle inverse charging converter as claimed in claim 1 or 2 is characterized in that: Switching Power Supply integrated manipulator (4) is a PWM type switch power controller.
8. a kind of electric vehicle inverse charging converter as claimed in claim 1 or 2 is characterized in that: Switching Power Supply integrated manipulator (4) is a single-chip microcomputer.
9. a kind of electric vehicle inverse charging converter as claimed in claim 1 or 2, it is characterized in that: discrimination module (5) includes first current sensor (T1), the two-phase current rectifying and wave filtering circuit, first comparator (IC1), the 9th resistance (R9) and the tenth resistance (R10), first current sensor (T1) signal input part is the signal input part (K22) of discrimination module (5), the induction end of first current sensor (T1) is connected with the input of two-phase current rectifying and wave filtering circuit, the high potential output of two-phase current rectifying and wave filtering circuit is connected with the in-phase end of first comparator (IC1), the low-voltage output of two-phase current rectifying and wave filtering circuit is connected with the backward end of first comparator (IC1) by the tenth resistance (R10), the tenth resistance (R10) is connected with power supply (Vcc) by the 9th resistance (R9) with the link of first comparator (IC1) backward end, power supply (Vcc) is connected with the power input of the first comparator IC1, and the output of first comparator (IC1) is the control signal output ends (K17) of discrimination module (5).
CNU2009201260778U 2009-01-12 2009-01-12 Reverse charging converter of electric motor car Expired - Lifetime CN201332293Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2009201260778U CN201332293Y (en) 2009-01-12 2009-01-12 Reverse charging converter of electric motor car

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2009201260778U CN201332293Y (en) 2009-01-12 2009-01-12 Reverse charging converter of electric motor car

Publications (1)

Publication Number Publication Date
CN201332293Y true CN201332293Y (en) 2009-10-21

Family

ID=41225677

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2009201260778U Expired - Lifetime CN201332293Y (en) 2009-01-12 2009-01-12 Reverse charging converter of electric motor car

Country Status (1)

Country Link
CN (1) CN201332293Y (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101552484B (en) * 2009-01-12 2011-01-05 熊代荣 An electric vehicle inverse charging converter
CN108859765A (en) * 2018-05-22 2018-11-23 江苏赛麟汽车科技有限公司 A kind of Novel motor controller low-tension supply electricity getting device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101552484B (en) * 2009-01-12 2011-01-05 熊代荣 An electric vehicle inverse charging converter
CN108859765A (en) * 2018-05-22 2018-11-23 江苏赛麟汽车科技有限公司 A kind of Novel motor controller low-tension supply electricity getting device

Similar Documents

Publication Publication Date Title
CN107650729B (en) The pre-charging device of the High-Voltage Electrical Appliances of new-energy automobile
CN101552479B (en) Direct-current voltage reducing circuit
JP5290349B2 (en) DC power supply system and control method thereof
RU2013108861A (en) MOTOR VEHICLE CONTROL DEVICE FOR ELECTRIC VEHICLE AND RAILWAY VEHICLE SYSTEM
CN204290416U (en) A kind of multiple-energy-source emergency power supply system
CN203840049U (en) Power storage system, charging and discharging circuit, and grid-connected device
CN200994070Y (en) Non-polarity charger
CN211377693U (en) Power transmission line hybrid power supply based on solar energy and induction energy obtaining
CN103166307A (en) Electric locomotive power supply system achieving complementation of solar energy and electric supply
CN103178590A (en) Plug-in type battery charging device used for electrically driven vehicle and using method thereof
CN204733105U (en) A kind of DC generation unit
CN202513649U (en) Mining intelligent charging device
CN201985600U (en) Traction frequency converter circuit with charging function in electric vehicle
CN106864267A (en) A kind of confession method for electrically for train
CN201332293Y (en) Reverse charging converter of electric motor car
CN101552484B (en) An electric vehicle inverse charging converter
CN103208851A (en) Vertical-axis wind power converter device
CN104836496A (en) DC generator set
CN203456889U (en) A school bus storage battery anti-feed system and the school bus using the same
CN203707843U (en) Compound-type electric automobile power supply management system
CN103269113A (en) Low-voltage electromobile driving controller and charging method
CN103607004B (en) The two-way non-dissipative equalizing of accumulator battery and pulse activated system
CN2446707Y (en) Three stage controlled balance charger
CN102780258B (en) The vehicle-mounted formula magneto smart charge control system of electric automobile
CN205468584U (en) Motor all -electronin regenerative brake energy recuperation system

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20091021

Effective date of abandoning: 20090112