CN204334290U - Closed loop range extender system - Google Patents
Closed loop range extender system Download PDFInfo
- Publication number
- CN204334290U CN204334290U CN201420778319.2U CN201420778319U CN204334290U CN 204334290 U CN204334290 U CN 204334290U CN 201420778319 U CN201420778319 U CN 201420778319U CN 204334290 U CN204334290 U CN 204334290U
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- Prior art keywords
- generator
- triode
- range extender
- closed loop
- sampling resistor
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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
- Y02T10/64—Electric machine technologies in electromobility
Abstract
The utility model discloses a kind of closed loop range extender system, be connected with car load drive system, described closed loop range extender system comprises distance increasing unit generator and distance increasing unit controller, described distance increasing unit generator comprises stepping motor, engine and generator, and described distance increasing unit controller comprises comparator unit, rectification circuit, current sensor, sampling resistor; Described stepping motor is connected with engine, described engine is also connected with generator, described comparator unit is all connected with stepping motor, rectification circuit, sampling resistor and current sensor, described rectification circuit is also connected with sampling resistor, and described sampling resistor, current sensor are all connected with car load drive system.Above-mentioned closed loop range extender system can with car load power perfect matching, reach reduce oil consumption, energy-conserving and environment-protective, prolongation battery of electric vehicle useful life and reduce the object of difficulty of matching of range extender system and electronic car load.
Description
Technical field
The utility model relates to electric automobiles, particularly a kind of closed loop range extender system.
Background technology
The development of existing electric two-wheel vehicle, tricycle is very swift and violent, progressively replace the status of fuel motorcycle, but electric motor car is subject to the restriction of battery capacity and price, and its course continuation mileage can not meet the demand by electric motor car long journey people.In order to solve electric motor car on the way inconvenience charging, simultaneously convenient arrivals trip again, distance increasing unit arises at the historic moment.As the direct current gasoline engine generator of an electric vehicle, it not only solves the continuation of the journey problem of electric motor car, the problem that when also solving battery of electric vehicle power shortage, climbing capacity is weak.But after current various distance increasing unit listing, because its core component-Controller gain variations is too simple, it can only play effect alternating current being converted to direct current, the size of uncontrollable electric current can not effectively manage the electric energy that the motor of distance increasing unit sends, cause these distance increasing units when real work, time and occur that electric energy is superfluous, superfluous electric energy flows into battery, damage battery or battery is filled bulge, time and occur that electric energy is too small, the electrical energy demands of driving motor of electric vehicle cannot be met again, the comparatively slow and climbing capacity of the travel speed causing car load declines, the long-term surplus of electric energy can cause again the oil consumption of whole distance increasing unit mechanism higher simultaneously.
Utility model content
For above-mentioned the deficiencies in the prior art, technical problem to be solved in the utility model is: provide a kind of closed loop range extender system using better effects if.
A kind of closed loop range extender system provided by the utility model, be connected with car load drive system, described closed loop range extender system comprises distance increasing unit generator and distance increasing unit controller, described distance increasing unit generator comprises stepping motor, engine and generator, and described distance increasing unit controller comprises comparator unit, rectification circuit, current sensor, sampling resistor; Described stepping motor is connected with engine, described engine is also connected with generator, described comparator unit is all connected with stepping motor, rectification circuit, sampling resistor and current sensor, described rectification circuit is also connected with sampling resistor, and described sampling resistor and current sensor are all connected with car load drive system.
Wherein, described rectification circuit is three-phase bridge rectification circuit.
Wherein, described three-phase bridge rectification circuit comprises the first to the 6th triode, the base stage of the described first to the 6th triode is all connected with comparator unit, the emitter of described first triode, be connected with the anode of battery after the emitter of the second triode and the emitter of the 3rd triode are connected, the collector electrode of described first triode is connected with the emitter of the 4th triode, and export with the first-phase of generator and be connected, the collector electrode of described second triode is connected with the emitter of the 5th triode, and export with the second-phase of generator and be connected, the collector electrode of described 3rd triode is connected with the emitter of the 6th triode, and export with the third phase of generator and be connected, be connected with the negative electrode of battery by sampling resistor after the collector electrode of described 4th to the 6th triode is connected.
Further, described closed loop range extender system also comprises switch, and described switch is connected with comparator unit, for whether controlling comparator unit work.
The electric current that above-mentioned closed loop range extender system is exported by current sensor collection driving governor, and the voltage of car load is gathered by bleeder circuit, thus obtain the power consumption of car load.Meanwhile, the step number of the corresponding control step motor of described closed loop range extender system, and then control the rotating speed of generator, namely control the generation current of generator.When the driving cycle of car load changes, the output current that car load travels also will change, the signal of change is synchronously carried out collection analysis by described closed loop range extender system, and then synchronously stepper motor steps is controlled, and then the generation current of Control loop formula range extender system, so can ensure whole closed loop range extender system and car load power perfect matching, reach reduce oil consumption, energy-conserving and environment-protective, prolongation battery of electric vehicle useful life and reduce the object of difficulty of matching of range extender system and electronic car load.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the block diagram of the better embodiment of a kind of closed loop range extender system of the utility model.
Fig. 2 is the circuit diagram of rectification circuit in Fig. 1.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
First, before embodiment is described, be necessary that some terms to occurring make an explanation herein.Such as:
Use the term such as " first ", " second " to describe various element if occur herein, but these elements should not limited by these terms.These terms are only used for differentiation element and another element.Therefore, " first " element also can be called as " second " element and not depart from instruction of the present utility model.
In addition, should be understood that, when mentioning an element " connection " or " connection " to another element, it can directly connect or directly be connected to another element or also can there is intermediary element.On the contrary, when mentioning that an element " directly connection " or " directly connecting " are to another element, then there is not intermediary element.
The various terms occurred in this article are only not intended to conduct to restriction of the present utility model for describing the object of concrete execution mode.Unless context is clearly pointed out in addition, then singulative intention also comprises plural form.
" comprise " when using term in this manual and/or " including " time, these terms specify the existence of described feature, entirety, step, operation, element and/or parts, but also do not get rid of more than one other features, entirety, step, operation, element, the existence of parts and/or its group and/or additional.
About embodiment:
Please refer to shown in Fig. 1, is the block diagram of the better embodiment of the utility model closed loop range extender system 1.The utility model closed loop range extender system 1 is connected with car load drive system 2.The better embodiment of described closed loop range extender system 1 comprises distance increasing unit generator 3 and distance increasing unit controller 5, described distance increasing unit generator 3 comprises stepping motor 30, engine 31 and generator 32, and described distance increasing unit controller 5 comprises comparator unit 50, rectification circuit 51, current sensor 55, sampling resistor 58 and switch 59.
Described stepping motor 30 is connected with engine 31, and described engine 31 is also connected with generator 32.Described switch 59 is connected with comparator unit 50, and described comparator unit 50 is also all connected with stepping motor 30, rectification circuit 51, sampling resistor 58 and current sensor 55.Described rectification circuit 51 is also connected with sampling resistor 58, and described sampling resistor 58 and current sensor 55 are all connected with car load drive system 2.
In present embodiment, described car load drive system 2 is used in electric motor car.Described car load drive system 2 comprises driving governor 20, drive motors 22 and battery 26.Concrete, described driving governor 20 is connected with current sensor 55, drive motors 22 and battery 26, and described battery 26 is also connected with sampling resistor 58.
Described car load drive system 2 is for driving electric motor car.Described sampling resistor 58 is for gathering the voltage of described battery 26, and the voltage transmission extremely described comparator unit 50 that will collect.Whether described comparator unit 50 equals the first predeterminated voltage for the voltage of the battery 26 comparing sampling resistor 58 and collect.
The direct current of described battery 26, for when judging that the voltage of the battery 26 collected by described sampling resistor 58 equals the first predeterminated voltage when comparator unit 50, being converted to alternating current, and being exported to generator 31 by described rectification circuit 51.Start working when described generator 31 receives the alternating current of self-rectifying circuit 51, to drive described engine 31, engine 31 is started working.After described engine 31 works, described generator 32 will be driven conversely to rotate and to start generating.
Described rectification circuit 51 also for the alternating current exported by described generator 32 is converted to direct current, and by described sampling resistor 58 for battery 26 carries out charging or directly for described driving governor 20.Meanwhile, described sampling resistor 58 also for gathering the current value exported by described generator 32, and transmits it to comparator unit 50 and compares, to judge whether the current value that described generator 32 exports equals the first pre-set current value.
Described sampling resistor 58 also for gathering the direct current of alternating current after rectification circuit 51 exported by described generator 32, and is exported to comparator unit 50.The electric current that described current sensor 55 exports for gathering described driving governor 20, and transmit it to comparator unit 50.Whether described comparator unit 50 also equals the second predetermined current for comparing the electric current collected by described current sensor 55, and compares the direct current after rectification circuit 51 collected and whether equal the second predeterminated voltage.
Described stepping motor 30 rotates by the control of comparator unit 50, described stepping motor 30 is for controlling the carburetor throttle opening size of engine 31, after the throttle opening change of engine 31, rotating speed and the power correspondence of described engine 31 change, and namely can be changed by the size of the alternating current described in described generator 32.
Whether described switch 59 for controlling the work of whole comparator unit 50, and namely when described switch 59 is opened, described whole comparator unit 50 is started working, and when described switch 59 cuts out, described whole comparator unit 50 quits work.
Described in upper, described comparator unit 50 comprises first to fourth comparator, whether described first comparator equals the first predeterminated voltage for the voltage of the battery 26 comparing sampling resistor 58 and collect, whether described second comparator equals the first pre-set current value for the current value judging described generator 32 and export, whether described 3rd comparator equals the second predetermined current for comparing the electric current collected by described current sensor 55, whether described 4th comparator equals the second predeterminated voltage for comparing the direct current after rectification circuit 51 collected.
Shown in Fig. 2, described rectification circuit 51 can be three-phase bridge rectification circuit, it comprises six triode MOS1-MOS6, the base stage of described six triode MOS1-MOS6 is all connected with comparator unit, be connected with the anode of battery 26 after the emitter of the emitter of described triode MOS1, the emitter of triode MOS2 and triode MOS3 is connected, the collector electrode of described triode MOS1 is connected with the emitter of triode MOS4, and exports with the first-phase of generator 32 and be connected.The collector electrode of described triode MOS2 is connected with the emitter of triode MOS5, and exports with the second-phase of generator 32 and be connected, and the collector electrode of described triode MOS3 is connected with the emitter of triode MOS6, and exports with the third phase of generator 32 and be connected.Be connected by the negative electrode of sampling resistor 58 with battery 26 after the collector electrode of described triode MOS4-MOS6 is connected.
Simply illustrate to the operation principle of above-mentioned closed loop range extender system below:
When described switch 59 is adjusted to out: car load on the way travels, the power of described battery 26 progressively consumes, the voltage correspondence of described battery 26 declines, described sampling resistor 58 synchronously gathers the output voltage of described battery 26 constantly, when the output voltage of described battery 26 drops to the first predeterminated voltage, described comparator unit 50 controls rectification circuit 51, the direct current exported from described battery 26 is made to become alternating current after rectification circuit 51, and being input to generator 32, described generator 32 drives engine 31 to rotate and makes the combustion of 31, engine.When after the combustion of 31, engine, will rotate and start generating by drive electrical generators 32 conversely, the alternating current sent is that direct current is directly for described driving governor 20 or enter battery 26, to charge to battery 26 through the rectification of described rectification circuit 51.While the combustion of 31, engine, described current sensor 55 gathers the drive current of described driving governor 20 constantly, and the drive current collected is passed to comparator unit 50, simultaneously described sampling resistor 58 also can gather the electric current of generator 32 constantly, and by generator 32 current delivery that collects to comparator unit 50.Simultaneously, described sampling resistor 58 also can gather the voltage of whole system constantly, and the voltage data of the whole system collected is passed to comparator unit 50, namely whole comparator unit 50 can collect drive current, generation current and system voltage any time of system works.
Whether described comparator unit 50 meets the value of its internal preset again according to these parameters, if do not meet, then control described stepping motor 30 to start to rotate, described stepping motor 30 rotates the carburetor throttle opening size being used for controlling described engine 31, when after throttle opening change, rotating speed and the power of described engine 31 can change, after described engine 31 rotation speed change, the voltage and current of described generator 32 changes, until meet the internal preset value of comparator unit 50.
When above-mentioned switch 59 is adjusted to cut out, described comparator unit 50 does not work, and namely whole closed loop range extender system 1 quits work.
Above-mentioned closed loop range extender system 1 gathers by current sensor 55 electric current that driving governor 20 exports, and is gathered the voltage of car load by sampling resistor 58, thus obtains the power consumption of car load.Meanwhile, the step number of the corresponding control step motor 30 of described closed loop range extender system 1, and then the rotating speed controlling generator 32, namely control the generation current of generator 32.When the driving cycle of car load changes, the output current that car load travels also will change, the signal of change is synchronously carried out collection analysis by described closed loop range extender system 1, and then synchronously stepping motor 30 step number is controlled, and then the generation current of Control loop formula range extender system 1, so can ensure whole closed loop range extender system 1 and car load power perfect matching, reach reduce oil consumption, energy-conserving and environment-protective, prolongation battery of electric vehicle useful life and reduce the object of range extender system 1 and the difficulty of matching of electronic car load.
These are only execution mode of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model specification and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (4)
1. a closed loop range extender system, be connected with car load drive system, it is characterized in that: described closed loop range extender system comprises distance increasing unit generator and distance increasing unit controller, described distance increasing unit generator comprises stepping motor, engine and generator, and described distance increasing unit controller comprises comparator unit, rectification circuit, current sensor, sampling resistor; Described stepping motor is connected with engine, described engine is also connected with generator, described comparator unit is all connected with stepping motor, rectification circuit, sampling resistor and current sensor, described rectification circuit is also connected with sampling resistor, and described sampling resistor and flow sensor are all connected with car load drive system.
2. closed loop range extender system as claimed in claim 1, is characterized in that: described rectification circuit is three-phase bridge rectification circuit.
3. closed loop range extender system as claimed in claim 2, it is characterized in that: described three-phase bridge rectification circuit comprises the first to the 6th triode, the base stage of the described first to the 6th triode is all connected with comparator unit, the emitter of described first triode, be connected with the anode of battery after the emitter of the second triode and the emitter of the 3rd triode are connected, the collector electrode of described first triode is connected with the emitter of the 4th triode, and export with the first-phase of generator and be connected, the collector electrode of described second triode is connected with the emitter of the 5th triode, and export with the second-phase of generator and be connected, the collector electrode of described 3rd triode is connected with the emitter of the 6th triode, and export with the third phase of generator and be connected, be connected with the negative electrode of battery by sampling resistor after the collector electrode of described 4th to the 6th triode is connected.
4. closed loop range extender system as claimed in claim 1, is characterized in that: described closed loop range extender system also comprises switch, and described switch is connected with comparator unit, for whether controlling comparator unit work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420778319.2U CN204334290U (en) | 2014-12-11 | 2014-12-11 | Closed loop range extender system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420778319.2U CN204334290U (en) | 2014-12-11 | 2014-12-11 | Closed loop range extender system |
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| Publication Number | Publication Date |
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| CN204334290U true CN204334290U (en) | 2015-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420778319.2U Expired - Fee Related CN204334290U (en) | 2014-12-11 | 2014-12-11 | Closed loop range extender system |
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| CN (1) | CN204334290U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105751905A (en) * | 2016-05-16 | 2016-07-13 | 丽水博远科技有限公司 | Range extender controller remotely controlled by Wi-Fi |
| CN107791852A (en) * | 2017-09-08 | 2018-03-13 | 湖北祥丰电动机械有限公司 | A kind of straight drive system of motor distance increasing unit |
| CN107933327A (en) * | 2017-10-24 | 2018-04-20 | 华南农业大学 | A kind of electric wheeled transporter extended-range dynamical system of hillside orchard |
-
2014
- 2014-12-11 CN CN201420778319.2U patent/CN204334290U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105751905A (en) * | 2016-05-16 | 2016-07-13 | 丽水博远科技有限公司 | Range extender controller remotely controlled by Wi-Fi |
| CN107791852A (en) * | 2017-09-08 | 2018-03-13 | 湖北祥丰电动机械有限公司 | A kind of straight drive system of motor distance increasing unit |
| CN107933327A (en) * | 2017-10-24 | 2018-04-20 | 华南农业大学 | A kind of electric wheeled transporter extended-range dynamical system of hillside orchard |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20211211 |