CN203434698U - Electric-vehicle brake boost charging circuit - Google Patents
Electric-vehicle brake boost charging circuit Download PDFInfo
- Publication number
- CN203434698U CN203434698U CN201320515533.4U CN201320515533U CN203434698U CN 203434698 U CN203434698 U CN 203434698U CN 201320515533 U CN201320515533 U CN 201320515533U CN 203434698 U CN203434698 U CN 203434698U
- Authority
- CN
- China
- Prior art keywords
- resistance
- pin
- phase
- connects
- chip
- 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 - Fee Related
Links
Images
Abstract
The utility model discloses an electric-vehicle brake boost charging circuit and belongs to the technical field of electric vehicles. The electric-vehicle brake boost charging circuit includes a battery, a controller, a three-phase motor, a three-phase-rectifying-bridge circuit, a boost circuit and a control circuit. The battery is connected with the three-phase motor through the controller. The three-phase motor is connected with the boost circuit through the three-phase-rectifying-bridge circuit. The boost circuit is connected with the battery. The controller is connected with the boost circuit through the control circuit. The electric-vehicle brake boost charging circuit is capable of braking the electric vehicle and at the same time converting the rotating energy of the three-phase motor into electric energy to charge the battery so that the battery life of the battery is prolonged effectively and charging times are reduced.
Description
Technical field
The utility model relates to a kind of brake boost charge circuit, and specifically a kind of electric vehicle brake boost charge circuit, belongs to vehicle technology field.
Background technology
The driving control connection mode (as shown in Figure 1) of existing electric motor car is mainly " battery → controller → three phase electric machine ", the attention to energy-conserving and environment-protective along with social development and people, existing this single driving control connection mode can not reach energy savings, the object of protection of the environment; While normally travelling, the three phase electric machine of electric motor car is to supply with energy by battery, band motor car wheel travels forward, when electric motor car is when braking, battery stops to three phase electric machine supply of electrical energy, now three phase electric machine is that kinetic energy due to electric motor car itself is rotated further, and the energy of these rotations has been wasted owing to effectively utilizing all; The flying power of the battery of existing this driving control mode electric motor car is also lower simultaneously, need to electric motor car, charge frequently, and user is brought inconvenience.
Summary of the invention
The problem existing for above-mentioned prior art, the utility model provides a kind of electric vehicle brake boost charge circuit, can be in electric vehicle brake braking, convert the rotational energy of three phase electric machine to electric energy, battery is charged, effectively extend the flying power of battery, reduce charging times.
To achieve these goals, the technical solution adopted in the utility model is: a kind of electric vehicle brake boost charge circuit, comprise battery, controller, three phase electric machine, three phase rectifier bridge circuit, booster circuit and control circuit, battery is connected with three phase electric machine by controller, three phase electric machine is connected with booster circuit by three phase rectifier bridge circuit, booster circuit is connected with battery, and controller is connected with booster circuit by control circuit;
Described three phase rectifier bridge circuit comprises three-phase commutation bridge D1 and electrochemical capacitor C2, the 1st pin, the 2nd pin, the 3rd pin of the interchange input of three-phase commutation bridge D1 are connected with A phase line, B phase line, the C phase line of controller and three phase electric machine respectively, the 5th pin direct current output cathode of three-phase commutation bridge D1 connects the positive pole of electrochemical capacitor C2, the 4th pin direct current output negative pole of three-phase commutation bridge D1 connects the negative pole of electrochemical capacitor C2, the minus earth of electrochemical capacitor C2;
Described booster circuit comprises that inductance L 1, rectifier diode D3, N channel depletion type field effect transistor Q3, electrochemical capacitor C4, PWM drive chip U2, resistance R 8, resistance R 9, resistance R 10, resistance R 11, resistance R 13, resistance R 14, resistance R 16, resistance R 17, capacitor C 5, capacitor C 7, capacitor C 8 and capacitor C 9, and one end of inductance L 1 connects the drain electrode of N channel depletion type field effect transistor Q3 and the anode of rectifier diode D3; One end of the gate pole contact resistance R17 of N channel depletion type field effect transistor Q3 and PWM drive the 6th pin of chip U2; One end of source electrode contact resistance R13 of N channel depletion type field effect transistor Q3 and one end of resistance R 14, the other end of resistance R 13 connects the 3rd pin that PWM drives chip U2, the other end ground connection of resistance R 14; The negative electrode of rectifier diode D3 connects positive pole, one end of resistance R 8 and the positive pole of battery of electrochemical capacitor C4; The other end of resistance R 8 connects by resistance R 9 the 2nd pin that PWM drives chip U2, and PWM drives the 2nd pin of chip U2 by resistance R 10 ground connection; The two ends of resistance R 11 are connected with the two ends of resistance R 10, and PWM drives the 1st pin of chip U2 to be connected by capacitor C 5 with the 2nd pin, and PWM drives the 4th pin of chip U2 to connect by resistance R 16 the 8th pin that PWM drives chip U2, and by capacitor C 7 ground connection; PWM drives the 5th pin ground connection of chip U2, and PWM drives the 7th pin of chip U2 to connect voltage+12V, and by capacitor C 8 ground connection, PWM drives the 8th pin of chip U2 by capacitor C 9 ground connection;
Described control circuit comprises diode D2, electrochemical capacitor C1, triode Q1, optocoupler U3A, P channel depletion type field effect transistor Q2, resistance R 1, resistance R 2, resistance R 3, resistance R 4, resistance R 5, resistance R 6 and resistance R 7, and the collector electrode of triode Q1 connects the brake feedback signal pin of controller; One end of the anode of diode D2 and resistance R 4 is connected the voltage signal pin of controller; The 2nd pin of one end of the emitter of one end of the negative pole of electrochemical capacitor C1, resistance R 3, triode Q1, resistance R 5, optocoupler U3A connects the brake signal pin of controller jointly; The negative electrode of diode D2 passes through the base stage of resistance R 2 connecting triode Q1, and by resistance R 1, is connected to the positive pole of electrochemical capacitor C1; The base stage of the other end connecting triode Q1 of resistance R 3, the other end of the other end of resistance R 4 and resistance R 5 is connected to the 1st pin of optocoupler U3A, the 3rd pin ground connection of optocoupler U3A; The 4th pin of optocoupler U3A connects the gate pole of P channel depletion type field effect transistor Q2 by resistance R 7, the gate pole of P channel depletion type field effect transistor Q2 connects the source electrode of P channel depletion type field effect transistor Q2 by resistance R 6; The source electrode of P channel depletion type field effect transistor Q2 connects the positive pole of three-phase commutation bridge, and the drain electrode of P channel depletion type field effect transistor Q2 connects the other end of the inductance L 1 in booster circuit.
Compared with prior art, the utility model is by the driving connected mode of battery → controller → three phase electric machine → three-phase commutation bridge → booster circuit → battery, can be in electric vehicle brake braking, the rotational energy of the three phase electric machine that the kinetic energy by electric motor car itself is driven converts electric energy to, battery is charged, thereby the flying power that has effectively extended battery, has reduced charging times.
Accompanying drawing explanation
Fig. 1 is that existing electric motor car drives the electrical schematic diagram of controlling;
Fig. 2 is electrical schematic diagram of the present utility model;
Fig. 3 is circuit diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figures 2 and 3, the utility model comprises battery, controller, three phase electric machine, three phase rectifier bridge circuit, booster circuit and control circuit, battery is connected with three phase electric machine by controller, three phase electric machine is connected with booster circuit by three phase rectifier bridge circuit, booster circuit is connected with battery, and controller is connected with booster circuit by control circuit;
Described three phase rectifier bridge circuit comprises three-phase commutation bridge D1 and electrochemical capacitor C2, the 1st pin, the 2nd pin, the 3rd pin of the interchange input of three-phase commutation bridge D1 are connected with A phase line, B phase line, the C phase line of controller and three phase electric machine respectively, the 5th pin direct current output cathode of three-phase commutation bridge D1 connects the positive pole of electrochemical capacitor C2, the 4th pin direct current output negative pole of three-phase commutation bridge D1 connects the negative pole of electrochemical capacitor C2, the minus earth of electrochemical capacitor C2;
Described booster circuit comprises that inductance L 1, rectifier diode D3, N channel depletion type field effect transistor Q3, electrochemical capacitor C4, PWM drive chip U2, resistance R 8, resistance R 9, resistance R 10, resistance R 11, resistance R 13, resistance R 14, resistance R 16, resistance R 17, capacitor C 5, capacitor C 7, capacitor C 8 and capacitor C 9, and one end of inductance L 1 connects the drain electrode of N channel depletion type field effect transistor Q3 and the anode of rectifier diode D3; One end of the gate pole contact resistance R17 of N channel depletion type field effect transistor Q3 and PWM drive the 6th pin of chip U2; One end of source electrode contact resistance R13 of N channel depletion type field effect transistor Q3 and one end of resistance R 14, the other end of resistance R 13 connects the 3rd pin that PWM drives chip U2, the other end ground connection of resistance R 14; The negative electrode of rectifier diode D3 connects positive pole, one end of resistance R 8 and the positive pole of battery of electrochemical capacitor C4; The other end of resistance R 8 connects by resistance R 9 the 2nd pin that PWM drives chip U2, and PWM drives the 2nd pin of chip U2 by resistance R 10 ground connection; The two ends of resistance R 11 are connected with the two ends of resistance R 10, and PWM drives the 1st pin of chip U2 to be connected by capacitor C 5 with the 2nd pin, and PWM drives the 4th pin of chip U2 to connect by resistance R 16 the 8th pin that PWM drives chip U2, and by capacitor C 7 ground connection; PWM drives the 5th pin ground connection of chip U2, and PWM drives the 7th pin of chip U2 to connect voltage+12V, and by capacitor C 8 ground connection, PWM drives the 8th pin of chip U2 by capacitor C 9 ground connection;
Described control circuit comprises diode D2, electrochemical capacitor C1, triode Q1, optocoupler U3A, P channel depletion type field effect transistor Q2, resistance R 1, resistance R 2, resistance R 3, resistance R 4, resistance R 5, resistance R 6 and resistance R 7, and the collector electrode of triode Q1 connects the brake feedback signal pin of controller; One end of the anode of diode D2 and resistance R 4 is connected the voltage signal pin of controller; The 2nd pin of one end of the emitter of one end of the negative pole of electrochemical capacitor C1, resistance R 3, triode Q1, resistance R 5, optocoupler U3A connects the brake signal pin of controller jointly; The negative electrode of diode D2 passes through the base stage of resistance R 2 connecting triode Q1, and by resistance R 1, is connected to the positive pole of electrochemical capacitor C1; The base stage of the other end connecting triode Q1 of resistance R 3, the other end of the other end of resistance R 4 and resistance R 5 is connected to the 1st pin of optocoupler U3A, the 3rd pin ground connection of optocoupler U3A; The 4th pin of optocoupler U3A connects the gate pole of P channel depletion type field effect transistor Q2 by resistance R 7, the gate pole of P channel depletion type field effect transistor Q2 connects the source electrode of P channel depletion type field effect transistor Q2 by resistance R 6; The source electrode of P channel depletion type field effect transistor Q2 connects the positive pole of three-phase commutation bridge, and the drain electrode of P channel depletion type field effect transistor Q2 connects the other end of the inductance L 1 in booster circuit.
When electric motor car does not brake, controller converts three-phase alternating voltage output to the DC voltage control of battery and drives three phase electric machine running, and controls control circuit and forbid booster circuit work, because now cannot charge; When electric vehicle brake, controller no longer converts three-phase alternating voltage output to the DC voltage control of battery and drives three phase electric machine running, now, three phase electric machine turns round under the kinetic energy of electric motor car or the effect of potential energy, by three-phase commutation bridge, be rectified into direct voltage, controller is controlled control circuit and is started booster circuit work, and battery is charged.
Specific works process: the brake feedback signal in controller, voltage signal, brake signal are all high level under braking state not, when brake, brake signal becomes low level, between the 1st pin of optocoupler U3A and the 2nd pin, will produce pressure drop, make the 4th pin of optocoupler U3A be pulled to ground, resistance R 6 and resistance R 7 dividing potential drops, the dividing potential drop in resistance R 6 makes source electrode and the drain electrode conducting of P channel depletion type field effect transistor Q2, make three-phase commutation bridge and booster circuit conducting, start battery to charge; Voltage signal charges by diode D2,1 couple of electrochemical capacitor C1 of resistance R simultaneously, the very short time of charging reaches after triode Q1 starting resistor, the collector electrode of triode Q1 and discharge electrode conducting, brake feedback signal is pulled into low level, make controller This move be detected, no longer drive three phase electric machine work.
PWM drives the 5th pin ground connection of chip U2, and the 7th pin connects voltage source; It is Voltage Feedback function that PWM drives the 2nd pin of chip U2, by resistance R 8, resistance R 9, resistance R 10, resistance R 11, is detected and is controlled output voltage, and PWM drives the 1st pin of chip U2 and the capacitor C 5 between the 2nd pin to play feedback compensation effect; It is current feedback function that PWM drives the 3rd pin of chip U2, by detection, examines the upper voltage control output current of leakage resistance R14; PWM drives the 3rd pin of chip U2 for determining working frequency of chip function; It is the function of PWM square wave driving N channel depletion type field effect transistor Q3 that PWM drives the 6th pin of chip U2; PWM drives the 8th pin of chip U2 to be+5V reference voltage pin, for PWM drives the 3rd pin of chip U2, provides reference voltage.
Inductance L 1, N channel depletion type field effect transistor Q3, rectifier diode D3, electrochemical capacitor C4 form the main circuit of booster circuit, by PWM, drive detection, control, the driving of chip, make each element complete the function of boosting, battery is charged, and can accomplish the defencive function to battery such as pressure limiting, current limliting; The kinetic energy of the electric motor car while so just having reached brake or the object that potential energy converting and energy becomes electric energy.
Claims (1)
1. an electric vehicle brake boost charge circuit, it is characterized in that, comprise battery, controller, three phase electric machine, three phase rectifier bridge circuit, booster circuit and control circuit, battery is connected with three phase electric machine by controller, three phase electric machine is connected with booster circuit by three phase rectifier bridge circuit, booster circuit is connected with battery, and controller is connected with booster circuit by control circuit;
Described three phase rectifier bridge circuit comprises three-phase commutation bridge D1 and electrochemical capacitor C2, the 1st pin, the 2nd pin, the 3rd pin of the interchange input of three-phase commutation bridge D1 are connected with A phase line, B phase line, the C phase line of controller and three phase electric machine respectively, the 5th pin of three-phase commutation bridge D1 connects the positive pole of electrochemical capacitor C2, the 4th pin of three-phase commutation bridge D1 connects the negative pole of electrochemical capacitor C2, the minus earth of electrochemical capacitor C2;
Described booster circuit comprises that inductance L 1, rectifier diode D3, N channel depletion type field effect transistor Q3, electrochemical capacitor C4, PWM drive chip U2, resistance R 8, resistance R 9, resistance R 10, resistance R 11, resistance R 13, resistance R 14, resistance R 16, resistance R 17, capacitor C 5, capacitor C 7, capacitor C 8 and capacitor C 9, and one end of inductance L 1 connects the drain electrode of N channel depletion type field effect transistor Q3 and the anode of rectifier diode D3; One end of the gate pole contact resistance R17 of N channel depletion type field effect transistor Q3 and PWM drive the 6th pin of chip U2; One end of source electrode contact resistance R13 of N channel depletion type field effect transistor Q3 and one end of resistance R 14, the other end of resistance R 13 connects the 3rd pin that PWM drives chip U2, the other end ground connection of resistance R 14; The negative electrode of rectifier diode D3 connects positive pole, one end of resistance R 8 and the positive pole of battery of electrochemical capacitor C4; The other end of resistance R 8 connects by resistance R 9 the 2nd pin that PWM drives chip U2, and PWM drives the 2nd pin of chip U2 by resistance R 10 ground connection; The two ends of resistance R 11 are connected with the two ends of resistance R 10, and PWM drives the 1st pin of chip U2 to be connected by capacitor C 5 with the 2nd pin, and PWM drives the 4th pin of chip U2 to connect by resistance R 16 the 8th pin that PWM drives chip U2, and by capacitor C 7 ground connection; PWM drives the 5th pin ground connection of chip U2, and PWM drives the 7th pin of chip U2 to connect voltage+12V, and by capacitor C 8 ground connection, PWM drives the 8th pin of chip U2 by capacitor C 9 ground connection;
Described control circuit comprises diode D2, electrochemical capacitor C1, triode Q1, optocoupler U3A, P channel depletion type field effect transistor Q2, resistance R 1, resistance R 2, resistance R 3, resistance R 4, resistance R 5, resistance R 6 and resistance R 7, and the collector electrode of triode Q1 connects the brake feedback signal pin of controller; One end of the anode of diode D2 and resistance R 4 is connected the voltage signal pin of controller; The 2nd pin of one end of the emitter of one end of the negative pole of electrochemical capacitor C1, resistance R 3, triode Q1, resistance R 5, optocoupler U3A connects the brake signal pin of controller jointly; The negative electrode of diode D2 passes through the base stage of resistance R 2 connecting triode Q1, and by resistance R 1, is connected to the positive pole of electrochemical capacitor C1; The base stage of the other end connecting triode Q1 of resistance R 3, the other end of the other end of resistance R 4 and resistance R 5 is connected to the 1st pin of optocoupler U3A, the 3rd pin ground connection of optocoupler U3A; The 4th pin of optocoupler U3A connects the gate pole of P channel depletion type field effect transistor Q2 by resistance R 7, the gate pole of P channel depletion type field effect transistor Q2 connects the source electrode of P channel depletion type field effect transistor Q2 by resistance R 6; The source electrode of P channel depletion type field effect transistor Q2 connects the positive pole of three-phase commutation bridge, and the drain electrode of P channel depletion type field effect transistor Q2 connects the other end of the inductance L 1 in booster circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320515533.4U CN203434698U (en) | 2013-08-22 | 2013-08-22 | Electric-vehicle brake boost charging circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320515533.4U CN203434698U (en) | 2013-08-22 | 2013-08-22 | Electric-vehicle brake boost charging circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203434698U true CN203434698U (en) | 2014-02-12 |
Family
ID=50063714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320515533.4U Expired - Fee Related CN203434698U (en) | 2013-08-22 | 2013-08-22 | Electric-vehicle brake boost charging circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203434698U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441545A (en) * | 2013-08-22 | 2013-12-11 | 徐州市恒源电器有限公司 | Braking and boosting charging circuit of electric vehicle |
-
2013
- 2013-08-22 CN CN201320515533.4U patent/CN203434698U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441545A (en) * | 2013-08-22 | 2013-12-11 | 徐州市恒源电器有限公司 | Braking and boosting charging circuit of electric vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104393661B (en) | Range extender of electric vehicle starting-generating switching control method | |
| CN204210320U (en) | Based on the DC/DC control system of electronlmobil regenerative brake | |
| CN105226735A (en) | A kind of alternating current-direct current compatible type Vehicular charger front stage circuits and Vehicular charger | |
| CN203896021U (en) | Direct current-alternating current compatibility type vehicle-mounted charging machine pre-stage circuit and vehicle-mounted charging machine | |
| CN204290416U (en) | A kind of multiple-energy-source emergency power supply system | |
| CN103051196A (en) | Isolation type power supply circuit structure for supplying power to integrated circuit without additional winding | |
| CN103647321A (en) | Electric automobile multi-function vehicle-mounted charging circuit | |
| CN203675030U (en) | AC servo driving system | |
| CN105915150A (en) | Electric vehicle switch reluctance motor driver possessing charging function | |
| CN201985600U (en) | Traction frequency converter circuit with charging function in electric vehicle | |
| CN203434698U (en) | Electric-vehicle brake boost charging circuit | |
| CN203707843U (en) | Compound-type electric automobile power supply management system | |
| CN105162196A (en) | Transistor based charge control guide circuit of electric vehicle | |
| CN206283303U (en) | A kind of second order segmentation electric car charger | |
| CN205670689U (en) | A kind of charging circuit of remote controller | |
| CN206135389U (en) | Under -voltage tripper | |
| CN103441545A (en) | Braking and boosting charging circuit of electric vehicle | |
| CN206686079U (en) | Booster circuit | |
| CN206615084U (en) | A kind of charging electric vehicle box | |
| CN203504269U (en) | Boost and brake integration wind power charging control device | |
| CN205811893U (en) | A kind of electric automobile drive device of switch reluctance motor with charge function | |
| CN208337223U (en) | A kind of electric vehicle of motor power recovery system and translator energy recycling system | |
| CN206657227U (en) | A kind of control circuit of brushless wall-breaking machine | |
| CN201932016U (en) | Solar-energy electric vehicle | |
| CN205725549U (en) | One has current mode and voltage-type integrated variable frequency system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140212 Termination date: 20140822 |
|
| EXPY | Termination of patent right or utility model |