CN2851001Y

CN2851001Y - Energy regeneration unit for electrical vehicle

Info

Publication number: CN2851001Y
Application number: CN 200520010153
Authority: CN
Inventors: 刘维洪
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-10-21
Filing date: 2005-10-21
Publication date: 2006-12-27
Anticipated expiration: 2015-10-21

Abstract

The utility model relates to an energy regenerating device for an electrical vehicle, which comprises a driving motor, an energy regenerating system, a controller for the electric vehicle, an external connection charged direct current input interface and a vehicular accumulator. The utility model is characterized in that the energy regenerating system comprises an electrical isolation device, and a voltage multiplying rectifier, a voltage clamp circuit and a brake controlling circuit which are respectively connected with the electrical isolation device, wherein the driving motor and the controller for the electric vehicle are respectively connected with the electrical isolation device. At the time of brake, the energy which is consumed on a brake mechanical system, is recovered through the energy regenerating system and is stored in the accumulator, so after disposable charge, travel is increased. The utility model also has the repair function of the accumulator and prolongs the service life of the accumulator, simultaneously, in the charging process, a coil of the driving motor has the current which flows in the reverse direction and generated electromagnetic force prevents the electric vehicle from running to reach braking action and ensure that braking safety. The utility model is suitable for an electric bicycle, an electric motorcycle and an electric automobile.

Description

A kind of battery-driven car energy regeneration device

Technical field

The utility model relates to a kind of battery-driven car energy regeneration device, is particularly useful for Electrical Bicycle, battery-operated motor cycle and electronlmobil.

Background technology

As everyone knows, battery-driven car is the developing direction of future transportation, transportation means.The subject matter that existing battery-driven car exists is: do not have the energy regeneration device, thereby stroke is short after causing disposable charging; In operation and Vehicular accumulator cell process of charging, do not take actv. Vehicular accumulator cell maintenance measure, thereby cause Vehicular accumulator cell to shorten service life, reduced the effective value of Vehicular accumulator cell utilization; Battery-driven car distinctive ' cut off the power supply earlier and afterwards brake ' characteristic causes braking effect bad, has great potential safety hazard.

Summary of the invention

The purpose of this utility model provides a kind of battery-driven car energy regeneration device, and it can be converted into electric energy with the mechanical energy that the battery-driven car glancing impact should consume on frictional loss, and is stored in the Vehicular accumulator cell, increases the travelled distance that once charges; Can also safeguard Vehicular accumulator cell by actv., prolong Vehicular accumulator cell service life, shorten charging duration; Simultaneously, can obviously strengthen the reliability of electric vehicle brake, reduce the mechanical wear of brake system.

A kind of battery-driven car energy regeneration device described in the utility model comprises the direct current input interface and the Vehicular accumulator cell of drive motor, energy-regenerating system, controller for electric vehicle, external charge; It is characterized in that: energy-regenerating system comprises electrical isolation device, the voltage multiplying rectifier that links to each other with the electrical isolation device respectively and voltage clamp circuit and brake control circuit; Drive motor links to each other with the electrical isolation device respectively with controller for electric vehicle.Battery-driven car is when the mechanical braking process, in fact its drive motor has become electrical generator, by brake control circuit control electrical isolation device, voltage multiplying rectifier and voltage clamp circuit work, be charged in the Vehicular accumulator cell the electrical generator electricity is counter, realized the energy regeneration function.

Described a kind of battery-driven car energy regeneration device, its energy-regenerating system also comprise with the brake Vehicular accumulator cell reparation that links to each other with Vehicular accumulator cell of control circuit and maintenance circuitry or/and the overvoltage charge protector.Energy-regenerating system only increases Vehicular accumulator cell reparation and maintenance circuitry or only increases the overvoltage charge protector or increase the Vehicular accumulator cell reparation simultaneously and maintenance circuitry and overvoltage charge protector on above basis.When brake or the charging of external charge device, brake signal control Vehicular accumulator cell reparation and maintenance circuitry work, the high-frequency impulse of its generation appends on the charging current, reaches the purpose of eliminating the Vehicular accumulator cell sulfuration; When the voltage of Vehicular accumulator cell is enough high; the work of overvoltage charge protector; disconnected being electrically connected of electrical isolation device and voltage multiplying rectifier and voltage clamp circuit, Vehicular accumulator cell disconnects charging current, has played the overvoltage charge protection effect of Vehicular accumulator cell.

Described a kind of battery-driven car energy regeneration device, its electrical isolation device is a relay.Used relay is not limited to the mechanical contact-type relay, that is: other elements that can exercise identical function all can.

Described a kind of battery-driven car energy regeneration device, it is characterized in that: voltage multiplying rectifier and voltage clamp circuit comprise capacitor C 1, C2, C3, C4, C5, C6, diode D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15, D16; The negative pole of the anode of its D15, the anode of D16, C5 links to each other with open contact 3 pin of relay, the anode of D3, the negative pole of C3 link to each other with open contact 5 pin of relay, the negative pole of C1 links to each other with the open contact of relay 7 pin, the negative electrode of D7 links to each other with the anodal BAT+ of Vehicular accumulator cell, and the negative pole of C1 links to each other with the negative pole BAT-of Vehicular accumulator cell.When brake, the adhesive of brake control circuit control electrical isolation device, connect drive motor and voltage multiplying rectifier and voltage clamp circuit, drive motor voltage forms relatively and the multiplication of voltage value of C1 terminal voltage at the positive terminal of each electric capacity by capacitor C 1, C2, C3, C4, C5, C6 and D3, D5, D6, D8, D11, D13, D14, D16, reaches the purpose of multiplication of voltage; Be connected with the anodal BAT+ of Vehicular accumulator cell by D2, D4, D7, D9, D10, D12, D15 again, with each capacitance cathode voltage clamper, thus the purpose of realization voltage clamper.

Described a kind of battery-driven car energy regeneration device, its brake control circuit comprises capacitor C 7, stabilivolt Z1, aerotron Q1, Q2, Q3, resistance R 1, R3, R4, R5, R6, R7, R8, diode D18, D19; The collecting electrode of its Q2 links to each other with 1 pin of relay, the emitter of aerotron Q2 links to each other with Vehicular accumulator cell negative pole BAT-, the end of R7 links to each other with battery-driven car high level brake signal H-B, the negative electrode of D19 links to each other with battery-driven car low level brake signal L-B, the end of R1 links to each other with the anodal BAT+ of Vehicular accumulator cell, and the other end of R1 links to each other with 2 pin of relay.When brake high level signal H-B comes, by R7 control Q2 conducting; When brake low level signal L-B comes, by D19, R6 control Q3, Q2 conducting, allow the adhesive of electrical isolation device, connect drive motor and voltage multiplying rectifier and voltage clamp circuit, thereby, charge normal work.

Described a kind of battery-driven car energy regeneration device, its storage battery reparation and maintenance circuitry are pulse generating circuit, comprise diode D1, D20, D21, resistance R 2, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, R21, R22, R23, R24, R25, R26, R27, R28, capacitor C 9, C10, C11, C12, C13, stabilivolt Z3, Z4, aerotron Q6, Q7, Q8, Q9, field effect transistor Q5, ic chip 1, IC2, voltage transformer T1; The end of its R27 links to each other with Vehicular accumulator cell negative pole BAT-, and the end of R21 links to each other with the anodal BAT+ of Vehicular accumulator cell, and the end of R15 links to each other with the collecting electrode of the Q2 of brake control circuit, and 3 pin of voltage transformer T1 link to each other with the positive pole of the direct current input interface of external charge.During brake, by R15 control Q7 conducting, for IC1 provides working power, 3 pin of IC1 output high-frequency impulse, high-frequency impulse outputs to the G utmost point of Q5 by Q6, C10, Q9, and the break-make of control Q5 reaches the purpose that high-frequency impulse is removed the Vehicular accumulator cell sulfuration; When carrying out the charging of external charge device, the electric current that flows to the Vehicular accumulator cell positive pole from the direct current input interface is by behind 3, the 4 pin paths of voltage transformer T1,1,2 pin paths at T1 obtain induced voltage, this induced voltage is by behind the IC2, and IC2 mouth OUT1, OUT2 replace output high level voltage driving Q8 provides the working power normal operation for IC1.

Described a kind of battery-driven car energy regeneration device, its overvoltage charge protector comprises aerotron Q4, capacitor C 8, stabilivolt Z2, resistance R 9 and R10; The emitter of its Q4 links to each other with Vehicular accumulator cell negative pole BAT-, and the collecting electrode of Q4 links to each other with the base stage of the Q2 of brake control circuit, and the end of R9 links to each other with the anodal BAT+ of Vehicular accumulator cell.When Vehicular accumulator cell voltage is enough high; by making the Z1 conducting after R9, the R10 dividing potential drop; control the Q4 saturation conduction and turn-off Q2; make the electrical isolation device put the normally closed contact end; disconnect the electric connecting relation of drive motor and voltage multiplying rectifier and voltage clamp circuit; voltage multiplying rectifier and voltage clamp circuit to the Vehicular accumulator cell charging, do not play the effect of overvoltage charge protection.

Described a kind of battery-driven car energy regeneration device, the positive terminal of the direct current input interface of its external charge is connected by voltage transformer with the anodal BAT+ of Vehicular accumulator cell.

The major advantage of the utility model and prior art contrast: have the actv. energy-regenerating system, the energy of loss in the brake machinery system in the time of common car being braked, reclaim, be stored in the storage battery by energy-regenerating system, thereby stroke increases after making disposable charging; The introducing of high-frequency impulse, travel and daily process of charging in can carry out actv. maintenance and even reparation to storage battery, improve storage battery service life, shorten the battery charge time; Simultaneously, the drive motor coil has the electric current of counter-flow in process of charging, and the electromagnetic force of generation will hinder the battery-driven car operation, thereby play braking action, guarantee brake safety, also obviously reduce mutual wearing and tearing, the damage of brake machinery system.

Description of drawings

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is the circuit diagram of the utility model energy-regenerating system.

The specific embodiment

The utility model is described in further detail below in conjunction with the drawings and specific embodiments:

Reference numeral 1 among Fig. 1 is that drive motor, 2 is the direct current input interface of external charge for overvoltage charge protector, 10 for Vehicular accumulator cell reparation and maintenance circuitry, 9 for brake control circuit, 8 for voltage multiplying rectifier and voltage clamp circuit, 7 for electrical isolation device, 6 for Vehicular accumulator cell, 5 for controller for electric vehicle, 4 for energy-regenerating system, 3.

Reference numeral

4,5,6,7,8,9,10 among Fig. 2 is identical with Fig. 1; The A of drive motor, B, C three-phase terminal are expressed as D-A, D-B, D-C respectively, the A of controller for electric vehicle, B, C three-phase output end are expressed as K-A, K-B, K-C respectively, battery-driven car high level brake signal is expressed as H-B, and battery-driven car low level brake signal is expressed as L-B.The chemical capacitor positive and negative electrode is represented with Cn-1, Cn-2 respectively; Diode anode, negative electrode are represented with Dn-1, Dn-2 respectively; The resistance two ends are represented with Rn-1, Rn-2 respectively; The upper and lower end of the left and right end of stabilivolt Z1, Z2 and Z3, Z4 is respectively with Zn-1, and Zn-2 represents; The pin of relay J is respectively with 1 ... 11 expressions; The right side, the left end of capacitor C 8, C9, C11, C12 upper and lower end and C10 are expressed as Cn-1, Cn-2 respectively; The E of aerotron Qn, B, the C utmost point are expressed as respectively: Qn-E, Qn-B, Qn-C; The G of field effect transistor Q5, D, the S utmost point are expressed as respectively: Q5-G, Q5-D, Q5-S; The hithermost Arabic number of (except that Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, the Q9) pin of each element among Fig. 2 are the pin numbering of this element.The hithermost English alphabet of the pin of Q1, Q2, Q3, Q4, Q6, Q7, Q8, Q9 is the corresponding pin numbering of this element, and component pin is expressed as Qn-E, Qn-B, Qn-C respectively; Number in the figure BAT+, BAT-represent Vehicular accumulator cell positive pole, Vehicular accumulator cell negative pole respectively; IC1 is the pulse generation integrated package among the figure, is example with 555 among this figure, and 1,2,3,4,5,6,7,8 each pin are expressed as respectively: IC1-1, IC1-2, IC1-3, IC1-4, IC1-5, IC1-6, IC1-7, IC-8; IC2 is a comparator among the figure, and each corresponding pin is expressed as respectively: IC2-IN1-, IC2-IN1+, IC2-IN2-, IC2-IN2+, IC2-OUT1, IC2-OUT2, IC2-VCC, IC2-GND; T1 is a voltage transformer among the figure, and each pin is expressed as respectively: T1-1, T1-2, T1-3, T1-4.

Embodiment one: referring to Fig. 1 and Fig. 2, with the electrical isolation device 5 of energy-regenerating system 2, be that 1 pin of relay links to each other with the D18-1 of brake control circuit 7 and the R15-2 of Q2-C, Vehicular accumulator cell reparation and maintenance circuitry 8; Electrical isolation device 5, be relay 2 pin with the brake control circuit 7 D18-2, R3-1 link to each other with R1-2; Electrical isolation device 5, be that 3 pin of relay link to each other with D15-1, D16-1, the C5-2 of voltage multiplying rectifier and voltage clamp circuit 6; Electrical isolation device 5, be that 7 pin of relay link to each other with Z4-1, Z3-1, C11-2, C12-2, R2-1, IC1-1, C9-2, C13-2, Q6-E, R17-2, D1-2, I C2-GND, R25-1, the R27-1 of Vehicular accumulator cell reparation and maintenance circuitry 8, and link to each other with C1-2, the BAT-of Vehicular accumulator cell 4, Q4-E, the C8-2 of overvoltage charge protector 9, R10-1, Q2-E, the R8-1 of brake control circuit 7, Z1-1, the C7-2 of voltage multiplying rectifier and voltage clamp circuit 6; Electrical isolation device 5, be that 5 pin of relay link to each other with D3-1, the C3-2 of voltage multiplying rectifier and voltage clamp circuit 6;

The R9-1 of R16-2, R21-1, R22-1, T1-4, R26-2 and the voltage multiplying rectifier of R1-1, Vehicular accumulator cell reparation and the maintenance circuitry 8 of brake control circuit 7 and D2-2, D4-2, D7-2, D9-2, D10-2, D12-2, D15-2 and the overvoltage charge protector 9 of voltage clamp circuit 6 all links to each other with the anodal BAT+ of Vehicular accumulator cell 4;

The C1-1 of voltage multiplying rectifier and voltage clamp circuit 6, D2-1, D3-2, D5-1, C2-2, D14-1, D16-2 link to each other, C2-1, D7-1, D6-2, D8-1, D11-1, D13-2 link to each other, C3-1, C4-2, D4-1, D5-2, D6-1 link to each other, C4-1, D8-2, D9-1 link to each other, C5-1, D14-2, D13-1, D12-1, C6-2 link to each other, and C6-1, D11-2, D10-1 link to each other.

Q1-E, C7-1, R5-2, the Q3-E of brake control circuit 7 link to each other, Q1-B, Z1-2, R4-1 link to each other, Q1-C, R4-2, R3-2 link to each other, Q3-B, R5-1, R6-2 link to each other, R6-1, D19-1 link to each other, D19-2 links to each other with battery-driven car low level brake signal L-B, and Q3-C, Q2-B, Q4-C, R7-2, R8-2 link to each other, and R7-1 links to each other with battery-driven car high level brake signal H-B.

The Q4-B of overvoltage charge protector 9, C8-1, Z2-1 link to each other, and Z2-2, R10-2, R9-1 link to each other.

The Q7-E of Vehicular accumulator cell reparation and maintenance circuitry 8, R16-1, R18-1 links to each other, Q7-B, R18-2, R15-1 links to each other, Q7-C, R20-1, R14-1 links to each other, R20-2, R2-2, R19-1, C13-1, R28-2 links to each other, R14-2, Z3-2, R13-2, C12-1, IC1-4, IC1-8, Q8-E, R28-1 links to each other, C11-1, IC1-5 links to each other, R13-1, R12-2, IC1-7 links to each other, R12-1, IC1-2, IC1-6, C9-1 links to each other, R11-1, IC1-3 links to each other, R11-2, Q6-B links to each other, Q6-C, R19-2, C10-2 links to each other, C10-1, Q9-B, R17-1 links to each other, Q9-E, R27-2, Q5-G links to each other, Q9-C, R26-1 links to each other, Q5-S, D1-1 links to each other, R21-2, Q5-D links to each other, T1-1, R25-2, IC2-IN1+, IC2-IN2-links to each other, T1-2, IC2-IN1-, IC2-IN2+ links to each other, R23-1, IC2-OUT1 links to each other, R24-1, IC2-OUT2 links to each other, R23-2, D20-1 links to each other, R24-2, D21-1 links to each other, D20-2, D21-2, Q8-B links to each other, IC2-VCC, Z4-2, R22-2, Q8-C links to each other.

With the A phase coil terminals D-A of drive motor 1 and electrical isolation device 5, be that 9 pin of relay link to each other, the B phase coil terminals D-B of drive motor 1 and electrical isolation device 5, being that 10 pin of relay link to each other, the C phase coil terminals D-C of drive motor 1 and electrical isolation device 5, is that 11 pin of relay link to each other;

The A phase signals mouth K-A of controller for electric vehicle 3 is linked to each other with 8 pin of electrical isolation device 5, relay, the B phase signals mouth K-B of controller for electric vehicle 3 links to each other with 6 pin of electrical isolation device 5, relay, the C phase signals mouth K-C of controller for electric vehicle 3 links to each other with 4 pin of electrical isolation device 5, relay, promptly constitute the 4th technical scheme of the present utility model, i.e. the overall technology scheme of function.

Embodiment two: referring to Fig. 1 and Fig. 2, remove overvoltage charge protector 9 on the basis of embodiment one, promptly constitute the 3rd technical scheme of the present utility model, promptly do not have overvoltage charge protection function.

Embodiment three: referring to Fig. 1 and Fig. 2, remove Vehicular accumulator cell reparation and maintenance circuitry 8 on the basis of embodiment one, promptly constitute second technical scheme of the present utility model, promptly do not have Vehicular accumulator cell reparation and maintenance function.

Embodiment four: referring to Fig. 1 and Fig. 2; on the basis of embodiment one, remove overvoltage charge protector 9 and Vehicular accumulator cell reparation and maintenance circuitry 8; promptly constitute first technical scheme of the present utility model, promptly do not have overvoltage charge protection function and Vehicular accumulator cell reparation and maintenance function.

Claims

1, a kind of battery-driven car energy regeneration device comprises the direct current input interface (10) and the Vehicular accumulator cell (4) of drive motor (1), energy-regenerating system (2), controller for electric vehicle (3), external charge; It is characterized in that: energy-regenerating system (2) comprises electrical isolation device (5), the voltage multiplying rectifier that links to each other with electrical isolation device (5) respectively and voltage clamp circuit (6) and brake control circuit (7); Drive motor (1) links to each other with electrical isolation device (5) respectively with controller for electric vehicle (3).

2, a kind of battery-driven car energy regeneration device according to claim 1 is characterized in that: energy-regenerating system (2) also comprise with the Vehicular accumulator cell reparation that links to each other with Vehicular accumulator cell (4) of brake control circuit (7) and maintenance circuitry (8) or/and overvoltage charge protector (9).

3, a kind of battery-driven car energy regeneration device according to claim 1 and 2, it is characterized in that: electrical isolation device (5) is a relay.

4, a kind of battery-driven car energy regeneration device according to claim 1, it is characterized in that: voltage multiplying rectifier and voltage clamp circuit (6) comprise electric capacity (C1), (C2), (C3), (C4), (C5), (C6), diode (D2), (D3), (D4), (D5), (D6), (D7), (D8), (D9), (D10), (D11), (D12), (D13), (D14), (D15), (D16); The negative pole of the anode of the anode of its (D15), (D16), (C5) links to each other with the open contact of relay 3 pin, (D3) negative pole of anode, (C3) links to each other with the open contact of relay 5 pin, (C1) negative pole links to each other with the open contact of relay 7 pin, (D7) negative electrode links to each other with the anodal BAT+ of Vehicular accumulator cell, and negative pole (C1) links to each other with the negative pole BAT-of Vehicular accumulator cell.

5, a kind of battery-driven car energy regeneration device according to claim 1, it is characterized in that: brake control circuit (7) comprises electric capacity (C7), stabilivolt (Z1), aerotron (Q1), (Q2), (Q3), resistance (R1), (R3), (R4), (R5), (R6), (R7), (R8), diode (D18), (D19); The collecting electrode of its (Q2) links to each other with 1 pin of relay, the emitter of aerotron (Q2) links to each other with Vehicular accumulator cell negative pole BAT-, (R7) a end links to each other with battery-driven car high level brake signal H-B, (D19) negative electrode links to each other with battery-driven car low level brake signal L-B, (R1) a end links to each other with the anodal BAT+ of Vehicular accumulator cell, and the other end (R1) links to each other with 2 pin of relay.

6, a kind of battery-driven car energy regeneration device according to claim 2, it is characterized in that: Vehicular accumulator cell reparation and maintenance circuitry (8) are pulse generating circuit, comprise diode (D1), (D20), (D21), resistance (R2), (R11), (R12), (R13), (R14), (R15), (R16), (R17), (R18), (R19), (R20), (R21), (R22), (R23), (R24), (R25), (R26), (R27), (R28), electric capacity (C9), (C10), (C11), (C12), (C13), stabilivolt (Z3), (Z4), aerotron (Q6), (Q7), (Q8), (Q9), field effect transistor (Q5), integrated package (IC1), (IC2), voltage transformer (T1); One end of its (R27) links to each other with Vehicular accumulator cell negative pole BAT-, (R21) a end links to each other with the anodal BAT+ of Vehicular accumulator cell, (R15) a end links to each other with the collecting electrode of (Q2) of brake control circuit (7), and 3 pin of voltage transformer (T1) link to each other with the positive pole of the direct current input interface (10) of external charge.

7, a kind of battery-driven car energy regeneration device according to claim 2, it is characterized in that: overvoltage charge protector (9) comprises aerotron (Q4), electric capacity (C8), stabilivolt (Z2), resistance (R9) and (R10); The emitter of its (Q4) links to each other with Vehicular accumulator cell negative pole BAT-, and collecting electrode (Q4) links to each other with the base stage of (Q2) of brake control circuit, and an end (R9) links to each other with the anodal BAT+ of Vehicular accumulator cell.

8, a kind of battery-driven car energy regeneration device according to claim 1 is characterized in that: the positive terminal of the direct current input interface (10) of external charge is connected by voltage transformer with the anodal BAT+ of Vehicular accumulator cell (4).