CN201261400Y - Multipurpose electric power circuit of electric vehicle - Google Patents
Multipurpose electric power circuit of electric vehicle Download PDFInfo
- Publication number
- CN201261400Y CN201261400Y CNU2008201521326U CN200820152132U CN201261400Y CN 201261400 Y CN201261400 Y CN 201261400Y CN U2008201521326 U CNU2008201521326 U CN U2008201521326U CN 200820152132 U CN200820152132 U CN 200820152132U CN 201261400 Y CN201261400 Y CN 201261400Y
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- Prior art keywords
- battery
- battery pack
- output voltage
- inverter
- driven car
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- 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.)
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using 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
- Y02T10/70—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
Abstract
A multi-functional power circuit of an electric motor car comprises a first battery group, a second battery group, a convert switch element for connecting the driving motor of an electric motor car to the first battery group or the second battery group, an output voltage control circuit used for controlling output voltage of the second battery group, an inverter protection circuit and an inverter used for inverting DC input voltage to 220V AC output voltage, wherein, the convert switch element is in coupling connection with the driving motor of the electric motor car, the first battery group or the second battery group; the output voltage control circuit is in coupling connection with the second battery group; and the input terminal of the inverter protection circuit is in coupling connection with the second battery group, and the output terminal thereof is in coupling connection with the input terminal of the inverter. The utility model has two battery groups, so that the travel distance of the electric motor car adopting the utility model is increased nearly one time compared with the prior electric motor car. At the same time, the utility model can output 220V AC voltage, thereby greatly improving the functions of the electric motor car.
Description
Technical field
The utility model relates to a kind of power circuit of battery-driven car.
Background technology
Battery-driven car has obtained using widely as a kind of environment-friendly type vehicle.Yet existing battery-driven car exists and travels distance than short shortcoming after storage battery is finished once charging, goes to place far away when the user need drive battery-driven car, just must charge a battery midway again, and this has brought very big inconvenience to the user.In addition, existing battery-driven car can only use function singleness as a kind of vehicle.The daily life that can utilize the characteristics of battery-driven car to be convenient for people to is the thing of desirable.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of battery-driven car high-mobility, multipurpose, wheeled vehicle power circuit with two battery packs, and this battery-driven car high-mobility, multipurpose, wheeled vehicle power circuit can be exported the alternating current of 220V.
The technical scheme that the utility model adopted is: a kind of battery-driven car high-mobility, multipurpose, wheeled vehicle power circuit, described battery-driven car comprises a drive motor, described power circuit comprises first battery pack, second battery pack, make drive motor be connected to first battery pack or second battery pack change-over switch element, control second battery pack output voltage output voltage controlling circuit, inverter protective circuit and be used for DC input voitage is converted to the inverter of 220V ac output voltage; Wherein: the change-over switch element is arranged between drive motor and first battery pack and second battery pack, and couples with drive motor, first battery pack and second battery pack respectively; The output voltage controlling circuit and second battery pack couple; The input end of inverter protective circuit and second battery pack couple, and the input end of mouth and inverter couples.
In one embodiment, first battery pack and second battery pack are the 48V battery pack; Second battery pack is made up of first battery cell and second battery cell, and first battery cell and second battery cell are in series by the storage battery of two 12V; Output voltage controlling circuit makes first battery cell and second battery cell output voltage in parallel form for the two way reversing switch of drive motor for inverter protective circuit or series connection output voltage by one, and the two way reversing switch and first battery cell and second battery cell couple.
In another embodiment, first battery pack and second battery pack are the 36V battery pack; Second battery pack is made up of three 12V storage batterys; Output voltage controlling circuit makes three 12V storage batterys output voltage in parallel form for the two way reversing switch of drive motor for inverter protective circuit or series connection output voltage by two, and two two way reversing switches couple mutually.
After adopting technique scheme, because the utility model has been equipped with two battery packs, when a battery pack does not have electricity, the user can also use another battery pack to provide power as battery-driven car, therefore makes to adopt the distance of travelling of battery-driven car of the present utility model to increase about one times than existing battery-driven car.Simultaneously, the utility model can also be converted to the DC input voitage of one of them battery pack the output of 220V alternating-current voltage/AC voltage, promoted the function of battery-driven car greatly, make people in the open air can with adopt battery-driven car of the present utility model carry out cell-phone charging, play music, activity such as teleview, can also use as the 220V emergency source of electrical power when cutting off the power supply among the manager, make things convenient for daily life.The utility model is simple in structure, as long as the power circuit of existing battery-driven car is just transformed simply and can be realized.
Description of drawings
Fig. 1 is a circuit block diagram of the present utility model;
Fig. 2 is the electrical block diagram of first kind of embodiment of the present utility model;
Fig. 3 is the electrical block diagram of second kind of embodiment of the utility model.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is made and to be further specified.
As shown in Figure 1, battery-driven car high-mobility, multipurpose, wheeled vehicle power circuit of the present utility model comprises first battery pack 1, second battery pack 2, change-over switch element 3, output voltage controlling circuit 4, inverter protective circuit 5 and inverter 6.Wherein, change-over switch element 3 is arranged between drive motor 9 and first battery pack 1 and second battery pack 2, and couples with drive motor 9, first battery pack 1 and second battery pack 2 respectively.Change-over switch element 3 is used to make the drive motor 9 of battery-driven car selectively to be connected to first battery pack 1 or second battery pack 2.The output voltage controlling circuit 4 and second battery pack 2 couple, and are used to control the output voltage of second battery pack 2.The input end of inverter protective circuit 5 and second battery pack 2 couple, and the input end of mouth and inverter 6 couples, and export after the vdc that inverter 6 is used for importing is converted to the 220V alternating-current voltage/AC voltage.
Battery-driven car on the market has two kinds of 36V and 48V usually.Fig. 2 shows first kind of embodiment of the present utility model.The battery-driven car high-mobility, multipurpose, wheeled vehicle power circuit of present embodiment is applicable to the 48V battery-driven car, and first battery pack 1 and second battery pack 2 are the 48V battery pack.Wherein, second battery pack 2 is made up of first battery cell 21 and second battery cell 22, and first battery cell 21 and second battery cell 22 are in series by the storage battery of two 12V.Change-over switch element 3 is a two-way change-over swith, is provided with a pair of first moving contact 31a, 31b, a pair of first break back contact 31c, 31d and a pair of second break back contact 31e, 31f.When the first moving contact 31a, 31b with the second break back contact 31e, when 31f is connected, by first battery pack 1 to drive motor 9 power supply; As the first moving contact 31a, 31b switches to the first break back contact 31c, when 31d is connected (as shown in phantom in FIG.), by second battery pack 2 to drive motor 9 power supply.Output voltage controlling circuit is made up of a two way reversing switch 41, and the inverter protective circuit is made of a 48V over voltage relay 51, and this 48V over voltage relay 51 is provided with a pair of normally closed contact J1-1, J1-2.Inverter is selected the inverter product that the DC input voitage of 24V can be converted to the 220V alternating-current voltage/AC voltage for use.
Two way reversing switch 41 is provided with a pair of first moving contact 41a, 41b, a pair of first break back contact 41c, 41d and a pair of second break back contact 41e, 41f.Wherein, break back contact 41c and moving contact 41b are electrically connected.As shown in Figure 2, when the first moving contact 41a, 41b with the second break back contact 41e, when 41f is connected, first battery cell 21 and second battery cell 22 are connected in parallel, normally closed contact J1-1, the J1-2 of 48V over voltage relay 51 are kept closed, this moment, the 24V vdc of first battery cell 21 and second battery cell 22 was exported to inverter 6, and inverter 6 is exported after the 24V vdc is converted to the 220V alternating-current voltage/AC voltage.When the first moving contact 41a, 41b with the first break back contact 41c, when 41d is connected, (shown in the dotted line among Fig. 2), first battery cell 21 and second battery cell 22 are connected in series, and the vdc of 48V is exported to made 48V over voltage relay 51.48V over voltage relay 51 gets electric work, and normally closed contact J1-1, J1-2 disconnect, and makes the input end of inverter 6 not have the voltage input, plays the effect of protection inverter.At this moment, if the first moving contact 31a, the 31b of change-over switch element 3 are connected with the first break back contact 31c, 31d, second battery pack 2 will be exported the 48V vdc and give drive motor 9.
Fig. 3 shows second kind of embodiment of the present utility model.The battery-driven car high-mobility, multipurpose, wheeled vehicle power circuit of present embodiment is applicable to the 36V battery-driven car, and first battery pack 1 and second battery pack 2 are the 36V battery pack.Wherein, second battery pack 2 is made up of three 12V storage batterys 25,26,27.The structure of change-over switch element 3 is identical with first kind of embodiment with function.Output voltage controlling circuit is made up of two two way reversing switches 43,44, and the inverter protective circuit is made of a 36V over voltage relay 52, and this 36V over voltage relay 52 is provided with a pair of normally closed contact J2-1, J2-2.Inverter is selected the inverter product that the DC input voitage of 12V can be converted to the 220V alternating-current voltage/AC voltage for use.
Two way reversing switch 43 is provided with a pair of first moving contact 43a, 43b, a pair of first break back contact 43c, 43d and a pair of second break back contact 43e, 43f.Wherein, break back contact 43c and break back contact 43f are electrically connected.Two way reversing switch 44 is provided with a pair of first moving contact 44a, 44b, a pair of first break back contact 44c, 44d and a pair of second break back contact 44e, 44f.Wherein, break back contact 44c and break back contact 44f are electrically connected.As shown in Figure 3, when the first moving contact 43a, the 43b of two way reversing switch 43 link to each other with the second break back contact 43e, 43f, and the first moving contact 44a, the 44b of two way reversing switch 44 are with the second break back contact 44e, when 44f is connected, three 12V storage batterys 25,26,27 are connected in parallel, normally closed contact J2-1, the J2-2 of 36V over voltage relay 52 are kept closed, this moment, the 12V vdc of three 12V storage batterys 25,26,27 was exported to inverter 6, and inverter 6 is exported after the 12V vdc is converted to the 220V alternating-current voltage/AC voltage.When the first moving contact 43a, the 43b of two way reversing switch 43 link to each other with the first break back contact 43c, 43d, and the first moving contact 44a, the 44b of two way reversing switch 44 are with the first break back contact 44c, when 44d is connected, (shown in the dotted line among Fig. 2), three 12V storage batterys 25,26,27 are connected in series, and the vdc of 36V is exported to made 36V over voltage relay 52.36V over voltage relay 52 gets electric work, and normally closed contact J2-1, J2-2 disconnect, and makes the input end of inverter 6 not have the voltage input.At this moment, if the first moving contact 31a, the 31b of change-over switch element 3 are connected with the first break back contact 31c, 31d, second battery pack 2 will be exported the 36V vdc and give drive motor 9.
The battery-driven car high-mobility, multipurpose, wheeled vehicle power circuit of present embodiment is not only applicable to Electrical Bicycle, also can be applicable to battery-operated motor cycle, electronic touristy coach etc.
Though description of the present utility model combines certain embodiments, it should be understood by one skilled in the art that the utility model is not limited to embodiment described here, and can make amendment and change and do not deviate from spirit and scope of the present utility model.Should think that the description of specification sheets is schematic and nonrestrictive.
Claims (6)
1. battery-driven car high-mobility, multipurpose, wheeled vehicle power circuit, described battery-driven car comprises a drive motor, it is characterized in that, described power circuit comprises first battery pack, second battery pack, make described drive motor be connected to first battery pack or second battery pack change-over switch element, described second battery pack of control output voltage output voltage controlling circuit, inverter protective circuit and be used for DC input voitage is converted to the inverter of 220V ac output voltage; Wherein:
Described change-over switch element is arranged between described drive motor and described first battery pack and second battery pack, and couples with drive motor, first battery pack and second battery pack respectively;
Described output voltage controlling circuit and described second battery pack couple;
The input end of described inverter protective circuit and described second battery pack couple, and the input end of mouth and described inverter couples.
2. battery-driven car high-mobility, multipurpose, wheeled vehicle power circuit as claimed in claim 1 is characterized in that,
Described first battery pack and described second battery pack are the 48V battery pack;
Described second battery pack is made up of first battery cell and second battery cell, and described first battery cell and described second battery cell are in series by the storage battery of two 12V;
Described output voltage controlling circuit makes first battery cell and second battery cell output voltage in parallel form for the two way reversing switch of described drive motor for described inverter protective circuit or series connection output voltage by one, and the described two way reversing switch and first battery cell and second battery cell couple.
3. battery-driven car high-mobility, multipurpose, wheeled vehicle power circuit as claimed in claim 2 is characterized in that,
Described inverter protective circuit is made of a 48V over voltage relay.
4. battery-driven car high-mobility, multipurpose, wheeled vehicle power circuit as claimed in claim 1 is characterized in that,
Described first battery pack and described second battery pack are the 36V battery pack;
Described second battery pack is made up of three 12V storage batterys;
Described output voltage controlling circuit makes described three 12V storage batterys output voltage in parallel form for the two way reversing switch of described drive motor for described inverter protective circuit or series connection output voltage by two, and described two two way reversing switches couple mutually.
5. battery-driven car high-mobility, multipurpose, wheeled vehicle power circuit as claimed in claim 4 is characterized in that,
Described inverter protective circuit is made of a 36V over voltage relay.
6. battery-driven car high-mobility, multipurpose, wheeled vehicle power circuit as claimed in claim 1 is characterized in that described change-over switch element is a two way reversing switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201521326U CN201261400Y (en) | 2008-08-19 | 2008-08-19 | Multipurpose electric power circuit of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201521326U CN201261400Y (en) | 2008-08-19 | 2008-08-19 | Multipurpose electric power circuit of electric vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN201261400Y true CN201261400Y (en) | 2009-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201521326U Expired - Fee Related CN201261400Y (en) | 2008-08-19 | 2008-08-19 | Multipurpose electric power circuit of electric vehicle |
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| CN (1) | CN201261400Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103368226A (en) * | 2012-03-30 | 2013-10-23 | 罗伯特·博世有限公司 | Electric device and method for operating an electric drive |
| CN105416080A (en) * | 2015-12-03 | 2016-03-23 | 康迪电动汽车（长兴）有限公司 | Electric vehicle with high safety protection performance |
| CN106160177A (en) * | 2016-07-13 | 2016-11-23 | 苏州新逸喆电子科技有限公司 | A kind of emergency starting power supply of 12V and 24V dual output |
| CN110901393A (en) * | 2018-09-15 | 2020-03-24 | 天津飞鸽车业发展有限公司 | Safety switcher for storage battery of electric vehicle and control method of safety switcher |
-
2008
- 2008-08-19 CN CNU2008201521326U patent/CN201261400Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103368226A (en) * | 2012-03-30 | 2013-10-23 | 罗伯特·博世有限公司 | Electric device and method for operating an electric drive |
| US9525295B2 (en) | 2012-03-30 | 2016-12-20 | Robert Bosch Gmbh | Electric device and method for operating an electric drive |
| CN103368226B (en) * | 2012-03-30 | 2019-02-19 | 罗伯特·博世有限公司 | Electrical equipment and method for driving electrical equipment |
| CN105416080A (en) * | 2015-12-03 | 2016-03-23 | 康迪电动汽车（长兴）有限公司 | Electric vehicle with high safety protection performance |
| CN106160177A (en) * | 2016-07-13 | 2016-11-23 | 苏州新逸喆电子科技有限公司 | A kind of emergency starting power supply of 12V and 24V dual output |
| CN110901393A (en) * | 2018-09-15 | 2020-03-24 | 天津飞鸽车业发展有限公司 | Safety switcher for storage battery of electric vehicle and control method of safety switcher |
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| Date | Code | Title | Description |
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| 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: 20090624 Termination date: 20130819 |