CN201466757U - Charging-free power supply system for electric automobile - Google Patents
Charging-free power supply system for electric automobile Download PDFInfo
- Publication number
- CN201466757U CN201466757U CN2009200923800U CN200920092380U CN201466757U CN 201466757 U CN201466757 U CN 201466757U CN 2009200923800 U CN2009200923800 U CN 2009200923800U CN 200920092380 U CN200920092380 U CN 200920092380U CN 201466757 U CN201466757 U CN 201466757U
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- CN
- China
- Prior art keywords
- power supply
- transformer
- supply changeover
- storage battery
- charging
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The utility model relates to a charging-free power supply system for an electric automobile, which solves the inconveniences because an original power supply system is charged by an external power supply, prolongs the continuous traveling time of electric automobiles, and reduces the quantity of batteries. The charging-free power supply system comprises two 12v accumulators, two DC/AC power convertors, a charger and an AC/DC transformer, wherein the anode and the cathode connection ties of the first accumulator are connected with the input end of the first DC/AC power convertor, the output end of the first DC/AC power convertor is connected with the input end of a charger, the output end of the charger is connected with the anode and the cathode connection ties of the second accumulator, the first accumulator and the first accumulator are connected in parallel, the anode and the cathode connection ties of the first accumulator are simultaneously connected with the input end of the second DC/AC power convertor, the output end of the second DC/AC power convertor is connected with the input end of the AC/DC transformer, and the output end of the AC/DC transformer is connected with a direct current motor of an electric automobile. The charging-free power supply system avoids trouble brought by charging of external power supplies, has convenient use, and reduces the use quantity of batteries.
Description
Technical field
The utility model relates to a kind of electric power system that is used for electric automobile, and especially a kind of electric automobile that is used for relies on storage battery self cycle charge-discharge and exempts the electric power system that external power charges.
Background technology
It is power that electric automobile is meant with the on-vehicle battery, travels with power wheel, meets the vehicle of road traffic, the every requirement of safety regulations.At present, internal-combustion engines vehicle is deposited energy resource consumption too much and problems such as contaminated environment, makes the research of electric automobile and " focus " that application becomes auto industry.Now developed the electric automobile of storage battery as power source, its electric power system exchanges external power, charger by 220V and is made up of the battery pack that the polylith storage battery is connected into, have following drawback: the first, electric automobile travels above 2 hours (speed is no more than 50km/h) daytime, evening on the same day just must be by the 220V AC power by charger to batteries charging, and very long when once being full of power consumption (generally need fill 8-10 hour), it is very inconvenient to cause electric automobile to use, and can't realize that also the continuity of long period is travelled; Second, at present, the monolithic accumulator of electric car is generally 12V, need 4-5 piece storage battery to be connected into battery pack and could satisfy electric automobile DC motor use (the DC motor input voltage is generally 48V or 60V), the storage battery quantity of using, caused electric power system cost height, bulky, weight is big, has influenced electric automobile universalness and popular.
Summary of the invention
For solving the problems of the technologies described above, the purpose of this utility model provides a kind of electric power system of charging of exempting from that is used for electric automobile, this system relies on storage battery charge and discharge cycles voluntarily, intact until storage battery internal memory chemical energy being converted to power consumption, the storage battery that more renews gets final product, and needn't charge by external power, has overcome all inconvenience that is brought by the external power frequent charge, and prolonged electric automobile continuity running time, and this system has also reduced the battery usage quantity.
The technical solution adopted in the utility model is: comprise two 12V storage batterys, two DC/AC power supply changeover devices, charger, an AC/DC transformer;
First accumulator positive, negative terminal are connected with first DC/AC power supply changeover device input, first DC/AC power supply changeover device output is connected with the charger input, the output of charger is connected with second accumulator positive, negative terminal, and second storage battery is in parallel with first storage battery;
First accumulator positive, negative terminal are connected with second DC/AC power supply changeover device input simultaneously, second DC/AC power supply changeover device output is connected with AC/DC transformer input, and AC/DC transformer output is connected with the DC motor of electric automobile.
As a kind of preferred version of the present utility model: first storage battery, second storage battery are the 12V/120AH lithium battery, first DC/AC power supply changeover device is a DC12V/AC220V 1500W power supply changeover device, second DC/AC power supply changeover device is DC12V/AC220V 3000W power supply changeover device, charger adopts the galvanic automobile storage battery charger of output 12V/6A, AC/DC transformer adopting AC220V/DC60V transformer.
The beneficial effects of the utility model are: easy to use, electric energy loss is little, the power output height. remove first and fill once by external power before the use, no longer need charging later on, rely on storage battery self cycle charge-discharge, power continuously to motor, when storage battery chemical energy approach exhaustion, changing new storage battery into gets final product, all troubles of bringing by external power charging have been avoided, also having prolonged the time that electric automobile travels continuously. native system only uses two batteries and booster circuit as electrical source of power simultaneously, replace battery pack (being composed in series) by 4-5 piece battery, reduced the battery usage quantity, compared, saved battery with former electric power system, reduce weight and volume, had strong practicality.
Description of drawings
Accompanying drawing is the utility model syndeton schematic diagram.
Embodiment
As shown in drawings, this system comprises automobile storage battery charger 8, AC220V/DC60V transformer 5, telegraph key 2, telegraph key 3, the some leads of 1,9, DC12V/AC220V 1500W power supply changeover devices of two 12V/120AH lithium batteries 7, DC12V/AC220V 3000W power supply changeover device 4, an output DC 12V/6A.
At first, this system preferably is full of first lithium battery 1 once before using, then just with first lithium battery 1, negative terminal is connected by the input of lead with DC12V/AC220V1500W power supply changeover device 7, the output of DC12V/AC220V 1500W power supply changeover device 7 is connected with the input of charger 8, the output of charger 8 and second lithium battery 9 are just, negative terminal connects, the anodal connector lug of second lithium battery 9 is connected with the anodal connector lug of first storage battery 1, and the negative terminal of second lithium battery 9 is connected with the negative terminal of first storage battery 1.
The purpose of above-mentioned connecting circuit is that the 12V/1.5A direct current that first lithium battery 1 exported is transformed into the 220V/2A alternating current by DC12V/AC220V 1500W power supply changeover device 7 earlier; The 220V/2A alternating current is transformed into the output of 12V/6A direct current by charger 8 again, and to 9 chargings of second lithium battery, second lithium battery 9 last discharge gives first lithium battery 1 charging.Using second lithium battery 9 to act on is to have played the stand-by power supply effect, and it stores unnecessary direct current earlier, and to first lithium battery 1 floating charge discharge, first lithium battery 1 obtains electric energy continually again, outside again circuit discharging after inside transforms.
Said process is reciprocal successively, realize self cycle charge-discharge of lithium battery, the chemical energy that charges and discharge electric energy and mainly be by first lithium battery 1 and second lithium battery 9 internal memory is converted, and scraps when the chemical energy of two lithium batteries runs out of, and the storage battery that more renews gets final product.Before whole process remove to be used preferably to first lithium battery 1 is disposable be full of electricity after, no longer need the charging of 220V external power, having avoided in the past, the storage battery power supply system relies on the frequent all inconvenience of charging and bringing of external power, be the start and stop that make things convenient for Control Circulation to discharge and recharge, be provided with telegraph key 3 between first lithium battery 1 and the DC12V/AC220V 1500W power supply changeover device 7.
Because first lithium battery 1 output voltage has only 12V, less than electric automobile DC motor input voltage (48V or 60V), could use after storage battery need being emitted current boost, because direct current directly transformation is a direct current, want earlier the 12V direct current to be become the 220V alternating current by the DC/AC transducer, the 220V alternating current becomes the needed direct current of motor by the AC/DC transformer again, thereby has realized that two batteries replace a Battery pack, satisfy the requirement of continued power.
For achieving the above object, the positive and negative electrode connector lug of first lithium battery 1 is connected by the input of lead with DC12V/AC220V 3000W power supply changeover device 4, because the utility model adopts input 60V DC motor 6, so AC/DC transformer 5 should adopt the AC220V/DC60 transformer, the output of DC12V/AC220V 3000W power supply changeover device 4 connects AC220V/DC60V transformer 5 inputs, and AC220V/DC60V transformer 5 outputs are connected with the input of 60V DC motor 6.
The purpose of this connecting circuit is that the 12V/1.5A direct current that first lithium battery 1 exported is transformed into the 220V/2A alternating current by DC12V/AC220V 3000W power supply changeover device 4, the 220V/2A alternating current is transformed into the 60V/20A direct current by AC220V/DC60V transformer 5 again, to export to 6 power supplies of 60V DC motor, this circuit has been realized storage battery 12V direct current is transformed into the 60V direct current to DC motor 6 power supply. and be the start and stop of convenient control, be provided with telegraph key 2. between first lithium battery 1 and the DC12V/AC220V3000W power supply changeover device 4 DC motor 6 discharges
The two 12V/ 120AH lithium batteries 1,9 that adopt among the embodiment belong to prior art, can buy on the market, no longer describe in detail here.
DC/AC power supply changeover device the 7, the 4th among the embodiment, the ac/Dc power transducer, also be inverter or inverter, belong to prior art, it is the device that the DC power supply of low pressure (primary cell, accumulator jar) is transformed into AC power (being generally 220V 50HZ sine or square wave); DC12V/AC220V 1500W power supply changeover device 7 in the present embodiment is meant input 12V direct current, output 220V alternating current, the power supply changeover device of continuous output 1500W, DC12V/AC220V 3000W power supply changeover device 4 is meant input 12V direct current, output 220V alternating current, the power supply changeover device of continuous output 3000W; Can buy on these two kinds of produce markets, present embodiment all adopts the knob Fox board 12V/220V power supply changeover device of being produced by Shanghai Newfurbes Opto-Electrical Science Co., Ltd (model is respectively: 4706N, 4709N), no longer describes in detail here.
AC220V/DC60V transformer 5 among the embodiment (this transformer itself has rectification, filter circuit) utilizes electromagnetic induction principle work, it comprises iron core, primary coil, secondary coil, rectification circuit, filter circuit, voltage stabilizing circuit etc., effect is with 220V alternating current input being transformed into earlier 60V alternating current, is transformed into the output of 60V/20A direct current by rectification circuit, filter circuit, voltage stabilizing circuit again.AC220V/DC60V transformer 5 belongs to prior art, and the those skilled in the art in described field all can design, and also can buy on the market, no longer describes in detail here.
Can be placed in the insulation booth after the utility model assembled, insulation booth is installed on the electric automobile, and can be connected with the control circuit of electric automobile.This system can make electric automobile exercise 5-12 month (being no more than under the 50km/h situation in speed) continuously, treats that storage battery is exhausted, and changes new storage battery into and can continue to use.The utility model is applicable to electrocar, electronic cruiser, Sightseeing Trolley, electronic little goods card.
Claims (2)
1. the electric power system of charging of exempting from that is used for electric automobile is characterized in that: comprise two 12V storage batterys (1,9), two DC/AC power supply changeover devices (7,4), charger (8), an AC/DC transformer (5);
First storage battery (1) positive and negative electrode connector lug is connected with first DC/AC power supply changeover device (7) input, first DC/AC power supply changeover device (7) output is connected with charger (8) input, the output of charger (8) is connected with second storage battery (9) positive and negative electrode connector lug, and second storage battery (9) is in parallel with first storage battery (1);
First storage battery (1) positive and negative electrode connector lug is connected with second DC/AC power supply changeover device (4) input simultaneously, second DC/AC power supply changeover device (4) output is connected with AC/DC transformer (5) input, and AC/DC transformer (5) output is connected with the DC motor (6) of electric automobile.
2. a kind of electric power system of charging of exempting from that is used for electric automobile according to claim 1, it is characterized in that: first storage battery (1), second storage battery (9) are the 12V/120AH lithium battery, first DC/AC power supply changeover device (7) is the DC12V/AC220V1500W power supply changeover device, second DC/AC power supply changeover device (4) is the DC12V/AC220V3000W power supply changeover device, charger (8) is the galvanic automobile storage battery charger of output 12V/6A, and AC/DC transformer (5) adopts the AC220V/DC60V transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200923800U CN201466757U (en) | 2009-08-06 | 2009-08-06 | Charging-free power supply system for electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200923800U CN201466757U (en) | 2009-08-06 | 2009-08-06 | Charging-free power supply system for electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201466757U true CN201466757U (en) | 2010-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200923800U Expired - Fee Related CN201466757U (en) | 2009-08-06 | 2009-08-06 | Charging-free power supply system for electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201466757U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108382216A (en) * | 2018-01-31 | 2018-08-10 | 赵铁领 | Exempt from the pure electric automobile that charges |
-
2009
- 2009-08-06 CN CN2009200923800U patent/CN201466757U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108382216A (en) * | 2018-01-31 | 2018-08-10 | 赵铁领 | Exempt from the pure electric automobile that charges |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100512 Termination date: 20110806 |