CN201601606U - Power supply system of hybrid electric vehicle - Google Patents
Power supply system of hybrid electric vehicle Download PDFInfo
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- CN201601606U CN201601606U CN2009203520708U CN200920352070U CN201601606U CN 201601606 U CN201601606 U CN 201601606U CN 2009203520708 U CN2009203520708 U CN 2009203520708U CN 200920352070 U CN200920352070 U CN 200920352070U CN 201601606 U CN201601606 U CN 201601606U
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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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Abstract
The utility model discloses a power supply system of a hybrid electric vehicle, which comprises a battery pack used for generating direct-current voltage and an inverter power supply module, wherein the inverter power supply module converts direct-current voltage into direct-current high voltage required by a driving motor of the hybrid electric vehicle. On the premise of guaranteeing proper power supply effect, the power supply system can reduce amount of batteries of the battery pack greatly, decrease cost and product weight, and simultaneously reduce connection among batteries along with reduction of the battery amount, thereby reducing unreliable factors, increasing reliability of connection and simplifying processing operations relatively.
Description
Technical field
The utility model is about a kind of electric power supply system, particularly about a kind of electric power supply system that is used for the oil electric mixed dynamic automobile.
Background technology
When drive a vehicle in the city; because red light and traffic congestion; the operating mode that loiters is used the energy of the locomotive nearly 30% of internal combustion engine to be converted to heat in braking and is disappeared in the environment; and energy cost day by day increases on the one hand; the environmental protection cry is surging successively on the other hand; so it is imperative that the energy of waste is stored, oil and electricity hybrid vehicle utilizes the mode that increases energy storage system to reclaim braking energy just, auxiliary internal combustion engine drive when can or quicken in climbing simultaneously.
HEV (Hybrid-Electric Vehicel)-mixed power plant.The mixed motivity type automobile travels with engine and wheel driving motor.Automobile inside has the driving battery of the power supply of drive motor.This drives battery and is charged by generator.Generator is then by driven by engine, and perhaps as the braking palingenesis, the inertia during by braking automobile drives.When mixed motivity type automobile advantage is that vehicle launch stops, only drive by generator, do not reach certain speed, engine is not just worked, and therefore, just can make engine remain on the optimum condition state always, good dynamic property, discharge capacity is very low, and the source of electric energy all is engine, only needs to refuel to get final product.
For the required supply unit of oil electric mixed dynamic type automobile, the similar products that have in the market are that ferric phosphate lithium cell is in series, to reach the voltage of oil electric mixed dynamic type automobile requirement, but following three problems of ubiquity at present: one, the cost of ferric phosphate lithium cell is high and very heavy, for example, present 320v system needs nearly 100 joints of battery; Two, because required ferric phosphate lithium cell is too many, the charging interval is long during power shortage; Too loaded down with trivial details when three, assembling, the quantity of connection is many, and the unsafe factor of existence is many, and there is hidden danger in reliability, and the production process quality is difficult to control.
In sum, prior art adopts the oil electric mixed dynamic vehicle electric power supply system of ferric phosphate lithium cell because required battery is too much as can be known, the charging interval is long when having power shortage, assembling is loaded down with trivial details, cost is high and heavy and because how number of connection causes problem such as potential safety hazard therefore to be necessary to propose improved technological means in fact easily, solves this problem.
The utility model content
For overcoming the various shortcoming of above-mentioned prior art, main purpose of the present utility model is to provide a kind of oil electric mixed dynamic vehicle electric power supply system, to utilize the inversion principle under the situation that guarantees the power supply effect, to reduce the quantity of battery, thereby reach reduce cost, the charging interval when reducing power shortage, the operation of simplifying working process improves the purpose of production quality.
For reaching above-mentioned and other purpose, a kind of oil electric mixed dynamic vehicle electric power of the utility model supply system comprises:
Battery pack is used to produce a direct current voltage;
Inverter module, input are connected in this battery pack, and output connects the direct current machine of this oil electric mixed dynamic automobile, are used for this direct voltage is converted to required high direct voltage, and this required high direct voltage can drive this direct current machine at least.
This inverter module comprises at least:
Voltage stabilizing module is connected in the positive pole of this battery pack, is used for this direct voltage is carried out voltage stabilizing so that a stable dc low-voltage to be provided;
High-frequency oscillating circuits, the one end is connected in this Voltage stabilizing module, by this dc low-voltage power supply, is used to export the high frequency small-signal, and the other end is connected in high-frequency power amplifying circuit;
High-frequency power amplifying circuit receives this high frequency small-signal and amplifies, and produces high-power high-frequency signal;
High frequency transformer receives this high-power high-frequency signal and it is boosted into a high pressure;
Rectification circuit, cross-over connection is secondary in this high frequency transformer, and its output connects the direct current machine of this oil electric mixed dynamic automobile, and this required high direct voltage of output was to drive this direct current machine after this rectification circuit carried out rectification to this high pressure.
This rectification circuit is the bridge rectifier of being made up of four rectifier diodes.
This inverter module at least also comprises:
Reference generating circuit, the one end is connected in this Voltage stabilizing module, and the other end is connected in the negative pole of this battery pack, in order to decision circuit group reference data voltage to be provided;
The sampling decision circuit, comprise first sample circuit, second sample circuit and decision circuit group, this first sample circuit is connected between the both positive and negative polarity of this battery pack, be used for the output voltage of this battery pack is sampled, obtain first sampled value, and this first sampled value is delivered to this decision circuit group; This second sample circuit is connected with the output of this rectification circuit, sample in order to this required high direct voltage that this rectification circuit is exported, and the sampled voltage that obtains of will sampling is delivered to this decision circuit group;
Oscillation control circuit is connected with this decision circuit group and this high-frequency oscillating circuits, receives the output that the decision circuit group produces, and controls the working condition of this high-frequency oscillating circuits.
This reference generating circuit comprises overvoltage crowbar parallel with one another, under-voltage protecting circuit, short-circuit protection circuit, current foldback circuit and thermal-shutdown circuit, this overvoltage crowbar is made up of second resistance and the 3rd resistance of series connection, is used to produce an overvoltage protection reference voltage; This under-voltage protecting circuit is made up of the 4th resistance and the 5th resistance of polyphone, is used to produce a under-voltage protection reference voltage; This short-circuit protection circuit is made up of the 6th resistance and the 7th resistance of series connection, is used to produce a short-circuit protection reference voltage; This current foldback circuit is made up of the 8th resistance and the 9th resistance of series connection, is used to produce an overcurrent protection reference voltage; This thermal-shutdown circuit is become by the tenth resistance and the 11 resistance of series connection, is used to produce an overheat protector reference voltage.
This first sample circuit is coupled between the both positive and negative polarity of this battery pack by the temperature-sensitive device and first resistance string, and this first sampled value that the potential-divider network sampling that this temperature-sensitive device and this first resistance are formed obtains changes with the variation of this temperature-sensitive device; This second sample circuit comprises the 12 resistance of series connection and the potential-divider network that the 13 resistance constitutes, and this potential-divider network is finished this required high direct voltage sampling, obtains second sampled value.
This second sample circuit also comprises the earth terminal that 1 the 14 resistance string is associated in this direct current machine, produces one the 3rd sampled value during this direct current machine work on the 14 resistance.
The 5th decision circuit that this overvoltage protection reference voltage and this second sampled value are sent to this decision circuit group compares; This under-voltage protection reference voltage and this second sampled value are sent to the 4th decision circuit of this decision circuit group; Comparing the 3rd decision circuit that this short-circuit protection reference voltage and the 3rd sampled value be sent to this decision circuit group compares; Second decision circuit that this overcurrent protection reference voltage and the 3rd sampled value are sent to this decision circuit group compares; First decision circuit that this overheat protector reference voltage and this first sampled value are sent to this decision circuit group compares.
This Voltage stabilizing module also comprises voltage stabilizing circuit, filter circuit and surge absorbing circuit.
The number of batteries that this battery pack comprises is no more than 32 joints at the most.
This battery pack comprises two groups at least, connects with circuit breaker between these two groups, is used to prevent damage battery after battery is by short circuit.
This battery pack comprises 32 batteries altogether, and every group is 16 batteries, connects with the copper brace between every batteries, and this required high direct voltage is the high direct voltage of 320V.
Compared with prior art, a kind of oil electric mixed dynamic vehicle electric power of the utility model supply system is elevated to the needed dc high voltage of oil electric mixed dynamic automobile by adopting the inverter module with the DC low-voltage of battery pack, reduced the quantity of ferric phosphate lithium cell, thereby play the due effect of power supply, because the quantity that the utility model battery pack adopts reduces, reduced the weight of cost and product, reduced simultaneously between the battery and to have connected and reduced unreliable factor, feasible connection is more reliable, and process operations is also simple relatively; In addition; because the minimizing of number of batteries; can be so that the time decreased of charging during power shortage; have only 40 degree by the temperature of test discovery the utility model in fully loaded work; conversion efficiency is up to more than 95%; and the utility model is by adopting reference generating circuit, oscillation control circuit and sampling decision circuit, the feasible technology effect that the utlity model has overvoltage protection, under-voltage protection, overheat protector, overload protection and short-circuit protection.
Description of drawings
Fig. 1 is the simple articulator composition of the utility model oil electric mixed dynamic vehicle electric power supply system;
Fig. 2 is the thin portion circuit diagram of the utility model oil electric mixed dynamic vehicle electric power supply system.
Embodiment
Below by specific instantiation and accompanying drawings execution mode of the present utility model, those skilled in the art can understand other advantage of the present utility model and effect easily by the content that this specification disclosed.The utility model also can be implemented or be used by other different instantiation, and the every details in this specification also can be based on different viewpoints and application, carries out various modifications and change under the spirit of the present utility model not deviating from.
Fig. 1 is the simple articulator composition of a kind of oil electric mixed dynamic vehicle electric power of the utility model supply system.As shown in Figure 1, a kind of oil electric mixed dynamic vehicle electric power of the utility model supply system comprises battery pack 10 and inverter module 11, wherein, battery pack 10 comprises some joint high capacity cells, be specifically as follows the ferric phosphate lithium cell that voltage is 1.5v, number of batteries preferably is no more than 32 joints, is mainly used in store electrical energy, and the motor power supply of oil supply cell mixed power automobile when needed; Inverter module 11, be connected with battery pack 10, its output is connected to the motor (being the direct current machine M among Fig. 1) of this oil electric mixed dynamic automobile, this inverter module 11 is mainly used in the direct voltage that this battery pack 10 is produced and is converted to high direct voltage output, promptly give this inverter module 11 power supplies by this battery pack 10, the dc low-voltage that this battery pack 10 is produced converts the 320v dc high voltage to drive the motor of this oil electric mixed dynamic automobile.
Fig. 2 is the thin portion circuit diagram of a kind of oil electric mixed dynamic vehicle electric power of the utility model supply system.Please refer to Fig. 2, inverter module 11 of the present utility model comprises Voltage stabilizing module 110, high-frequency oscillating circuits 111, high-frequency power amplifying circuit 112, high frequency transformer 113 and rectification circuit 114 at least.
High-frequency oscillating circuits 111 is used to produce the high frequency small-signal of the required 20KHz-1MHz of the utility model inverter module, it is connected with Voltage stabilizing module 110, by Voltage stabilizing module 110 output dc low-voltage VL power supplies, the output of high-frequency oscillating circuits 111 is sent to high-frequency power amplifying circuit 112, produce high-power high-frequency signal, promote high frequency transformer 113 work of boosting, high-frequency high-power signal after high frequency transformer 113 boosts is sent to by rectification circuit 114, rectification circuit 114 is a bridge rectifier of being made up of four rectifier diodes, its cross-over connection is in this high frequency transformer 113, specifically, the common node that rectifier diode D1 anode is connected in series with rectifier diode D4 negative electrode is connected in an end of 113 levels of this high frequency transformer, the common node that rectifier diode D2 anode is connected in series with rectifier diode D3 negative electrode is connected in the other end of 113 levels of this high frequency transformer, high-frequency high-power signal after boosting is through the required high direct voltage of this oil electric mixed dynamic type automobile of output after the rectification of rectification circuit 116, this required high direct voltage is the 320V high direct voltage in the utility model preferred embodiment, this 320V high direct voltage is sent to direct current machine M, direct current machine M rotates, order about oil electric mixed dynamic type automobile by the machine driving establishment and move, will not describe in detail at this.
Preferable; for making a kind of oil electric mixed dynamic vehicle electric power of the utility model supply system have functions such as overvoltage protection, under-voltage protection, overheat protector, overload protection and short-circuit protection; please continue with reference to Fig. 2, the inverter module 11 of a kind of oil electric mixed dynamic vehicle electric power of the utility model supply system also comprises reference generating circuit 115, oscillation control circuit 116 and sampling decision circuit.
Reference generating circuit 115 is used to produce the reference data voltage of decision circuit group.Reference generating circuit 115 comprises overvoltage crowbar parallel with one another 1150, under-voltage protecting circuit 1151, short-circuit protection circuit 1152, current foldback circuit 1153 and thermal-shutdown circuit 1154, and is connected between the negative pole of these Voltage stabilizing module 110 outputs and battery pack 10.Wherein overvoltage crowbar 1150 is made up of second resistance R 2 and the 3rd resistance R 3 of series connection, is used to produce overvoltage protection reference voltage REF
OV, this overvoltage protection reference voltage REF
OVBe sent to the 5th decision circuit U5 of decision circuit group; Under-voltage protecting circuit 1151 is made up of the 4th resistance R 4 and the 5th resistance R 5 of polyphone, is used to produce under-voltage protection reference voltage REF
LV, this under-voltage protection reference voltage REF
LVBe sent to the 4th decision circuit U4 of decision circuit group; Short-circuit protection circuit 1152 is made up of the 6th resistance R 6 and the 7th resistance R 7 of series connection, is used to produce short-circuit protection reference voltage REFs, and this short-circuit protection reference voltage REFs is sent to the 3rd decision circuit U3 of decision circuit group; Current foldback circuit 1153 is made up of the 8th resistance R 8 and the 9th resistance R 9 of series connection, is used to produce overcurrent protection reference voltage REF
I, this overcurrent protection reference voltage REF
IBe sent to the second decision circuit U2 of decision circuit group; Thermal-shutdown circuit 1154 is made up of the tenth resistance R 10 and the 11 resistance R 11 of series connection, is used to produce overheat protector reference voltage REFt, and this overheat protector reference voltage REFt is sent to the first decision circuit U1 of decision circuit group.
The sampling decision circuit is used for battery and output situation are sampled, and compares with reference voltage.The sampling decision circuitry comprises first sample circuit, second sample circuit and decision circuit group, wherein first sample circuit that is composed in series by the temperature-sensitive device RT and first resistance R 1 is connected between the both positive and negative polarity of battery pack 10, the temperature-sensitive device RT and first resistance R 1 are used to detect the temperature of battery pack 10, battery temperature raises and makes the RT resistance value rise, the sampled voltage first sampled value Vt of the potential-divider network that the RT and first resistance R 1 are formed changes thereupon, the first sampled value Vt is sent to the first decision circuit U1 of decision circuit group, itself and overheat protector reference voltage REFt compare, note needing abundant battery pack when temperature-sensitive device RT installs, and can not be heated by heat generating components such as paraffin oil engines near the oil electric mixed dynamic automobile; The 12 resistance R 12 and the 13 resistance R 13 320v dc high-voltage output end that is connected in inverter module 11 by series connection; the potential-divider network of its composition is finished the sampling to this 320V high direct voltage output; obtain the second sampled value Vv; this second sampled value Vv is sent to the 4th decision circuit U4 and the 5th decision circuit U5 of decision circuit group, this second sampled value Vv respectively with overvoltage protection reference voltage REF
OVAnd under-voltage protection reference voltage REF
LVCompare; One small resistor the 14 resistance R 14 is connected on the earth terminal of direct current machine M; on the 14 resistance R 14, produce a small voltage VI during direct current machine M work as the 3rd sampled value; this small voltage is through being sent to the second decision circuit U2 and the 3rd decision circuit U3 of decision circuit group after the filtering, with overcurrent protection reference voltage REF
IAnd short-circuit protection reference voltage REFs compares.
Certainly, for guaranteeing the equal reliably working of high-frequency oscillating circuits under the different situations, this high-frequency oscillating circuits 113 also is connected with oscillation control circuit 112, and it is powered by Voltage stabilizing module 110 output voltage V L, and is subjected to the direct of oscillation control circuit 116 or time-delay control.The output high frequency small-signal of the high-frequency oscillating circuits 111 after oscillation control circuit 116 controls is sent to high-frequency power amplifying circuit 114, produce high-power high-frequency signal, promote high frequency transformer 115 work of boosting, high-frequency high-power signal after boosting is sent to by rectification circuit 116, through output 320V high direct voltage after the rectification of rectification circuit 116, this 320V high direct voltage is sent to direct current machine M, and direct current machine M rotates, and sets up by machine driving and orders about oily electric hybrid vehicle action.
In the utility model preferred embodiment, battery pack 10 comprises the ferric phosphate lithium cell of 32 joint 1.5v altogether, it is divided into two groups, every group has 16 joint high capacity cells, battery pack 10 total voltages are 48V, connect with circuit breaker F1 between two groups, assembled battery total voltage is 48V, and this circuit breaker F1 can be used to prevent to damage battery after battery is by short circuit.Connect with the copper brace between the battery of the battery pack 10 of the utility model preferred embodiment, be connected with lead between battery pack 10 and the inverter module 11.
Oil electric mixed dynamic vehicle electric power supply system of the present utility model is elevated to the needed dc high voltage of automobile by adopting the inverter module with the DC low-voltage of battery pack, guaranteeing to play the quantity that has reduced ferric phosphate lithium cell under the situation that power supply should produce effect, because the number of batteries that the utility model battery pack adopts obviously reduces, as, battery reduces to 32 joints or 16 joints by 100 original joints, reduces cost more than 60%; The minimizing of number of batteries has also reduced between the battery and has connected, and has also reduced unreliable factor simultaneously, make connect more reliable; Process operations reduces to 20 steps by more than 100 original step, and is simple to operate a lot; Have only 40 degree by the temperature of test discovery the utility model in fully loaded work, conversion efficiency is up to more than 95%; And the utility model has also adopted reference generating circuit, oscillation control circuit and sampling decision circuit, the feasible technology effect that the utlity model has overvoltage protection, under-voltage protection, overheat protector, overload protection and short-circuit protection.
The foregoing description is illustrative principle of the present utility model and effect thereof only, but not is used to limit the utility model.Any those skilled in the art all can be under spirit of the present utility model and category, and the foregoing description is modified and changed.Therefore, rights protection scope of the present utility model should be listed as claims.
Claims (12)
1. oil electric mixed dynamic vehicle electric power supply system comprises at least:
Battery pack is used to produce a direct current voltage;
The inverter module, input is connected in this battery pack, output connects the direct current machine of this oil electric mixed dynamic automobile, is used for this direct voltage is converted to the required high direct voltage of this oil electric mixed dynamic automobile, and this required high direct voltage can drive this direct current machine at least.
2. oil electric mixed dynamic vehicle electric power supply system as claimed in claim 1 is characterized in that, this inverter module comprises at least:
Voltage stabilizing module is connected in the positive pole of this battery pack, is used for this direct voltage is carried out voltage stabilizing so that a stable dc low-voltage to be provided;
High-frequency oscillating circuits, the one end is connected in this Voltage stabilizing module, by this dc low-voltage power supply, is used to export the high frequency small-signal, and the other end is connected in high-frequency power amplifying circuit;
High-frequency power amplifying circuit receives this high frequency small-signal and amplifies, and produces high-power high-frequency signal;
High frequency transformer receives this high-power high-frequency signal and it is boosted into a high pressure;
Rectification circuit, cross-over connection is secondary in this high frequency transformer, and its output connects the direct current machine of this oil electric mixed dynamic automobile, and this required high direct voltage of output was to drive this direct current machine after this rectification circuit carried out rectification to this high pressure.
3. oil electric mixed dynamic vehicle electric power supply system as claimed in claim 2 is characterized in that this rectification circuit is the bridge rectifier of being made up of four rectifier diodes.
4. oil electric mixed dynamic vehicle electric power supply system as claimed in claim 3 is characterized in that, this inverter module at least also comprises:
Reference generating circuit, the one end is connected in this Voltage stabilizing module, and the other end is connected in the negative pole of this battery pack, in order to decision circuit group reference data voltage to be provided;
The sampling decision circuit, comprise first sample circuit, second sample circuit and decision circuit group, this first sample circuit is connected between the both positive and negative polarity of this battery pack, be used for the output voltage of this battery pack is sampled, obtain first sampled value, and this first sampled value is delivered to this decision circuit group; This second sample circuit is connected with the output of this rectification circuit, sample in order to this required high direct voltage that this rectification circuit is exported, and the sampled voltage that obtains of will sampling is delivered to this decision circuit group;
Oscillation control circuit is connected with this decision circuit group and this high-frequency oscillating circuits, receives the output that the decision circuit group produces, and controls the working condition of this high-frequency oscillating circuits.
5. oil electric mixed dynamic vehicle electric power supply system as claimed in claim 4, it is characterized in that, this reference generating circuit comprises overvoltage crowbar parallel with one another, under-voltage protecting circuit, short-circuit protection circuit, current foldback circuit and thermal-shutdown circuit, this overvoltage crowbar is made up of second resistance and the 3rd resistance of series connection, is used to produce an overvoltage protection reference voltage; This under-voltage protecting circuit is made up of the 4th resistance and the 5th resistance of polyphone, is used to produce a under-voltage protection reference voltage; This short-circuit protection circuit is made up of the 6th resistance and the 7th resistance of series connection, is used to produce a short-circuit protection reference voltage; This current foldback circuit is made up of the 8th resistance and the 9th resistance of series connection, is used to produce an overcurrent protection reference voltage; This thermal-shutdown circuit is become by the tenth resistance and the 11 resistance of series connection, is used to produce an overheat protector reference voltage.
6. oil electric mixed dynamic vehicle electric power supply system as claimed in claim 5, it is characterized in that, this first sample circuit is coupled between the both positive and negative polarity of this battery pack by the temperature-sensitive device and first resistance string, and this first sampled value that the potential-divider network sampling that this temperature-sensitive device and this first resistance are formed obtains changes with the variation of this temperature-sensitive device; This second sample circuit comprises the 12 resistance of series connection and the potential-divider network that the 13 resistance constitutes, and this potential-divider network is finished this required high direct voltage sampling, obtains second sampled value.
7. oil electric mixed dynamic vehicle electric power supply system as claimed in claim 6, it is characterized in that, this second sample circuit also comprises the earth terminal that 1 the 14 resistance string is associated in this direct current machine, produces one the 3rd sampled value during this direct current machine work on the 14 resistance.
8. oil electric mixed dynamic vehicle electric power supply system as claimed in claim 7 is characterized in that, the 5th decision circuit that this overvoltage protection reference voltage and this second sampled value are sent to this decision circuit group compares; This under-voltage protection reference voltage and this second sampled value are sent to the 4th decision circuit of this decision circuit group; Comparing the 3rd decision circuit that this short-circuit protection reference voltage and the 3rd sampled value be sent to this decision circuit group compares; Second decision circuit that this overcurrent protection reference voltage and the 3rd sampled value are sent to this decision circuit group compares; First decision circuit that this overheat protector reference voltage and this first sampled value are sent to this decision circuit group compares.
9. oil electric mixed dynamic vehicle electric power supply system as claimed in claim 8 is characterized in that this Voltage stabilizing module also comprises voltage stabilizing circuit, filter circuit and surge absorbing circuit.
10. oil electric mixed dynamic vehicle electric power supply system as claimed in claim 9 is characterized in that, the number of batteries that this battery pack comprises is no more than 32 joints at the most.
11. oil electric mixed dynamic vehicle electric power supply system as claimed in claim 10 is characterized in that this battery components is two groups, connects with circuit breaker between these two groups, is used to prevent damage battery after battery is by short circuit.
12. oil electric mixed dynamic vehicle electric power supply system as claimed in claim 11, it is characterized in that this battery pack comprises 32 batteries altogether, every group is 16 batteries, connect with the copper brace between every batteries, this required high direct voltage is the high direct voltage of 320V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203520708U CN201601606U (en) | 2009-12-24 | 2009-12-24 | Power supply system of hybrid electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203520708U CN201601606U (en) | 2009-12-24 | 2009-12-24 | Power supply system of hybrid electric vehicle |
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| CN201601606U true CN201601606U (en) | 2010-10-06 |
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| CN2009203520708U Expired - Fee Related CN201601606U (en) | 2009-12-24 | 2009-12-24 | Power supply system of hybrid electric vehicle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102025171A (en) * | 2009-12-24 | 2011-04-20 | 上海樟村电子有限公司 | Electric power supply system for oil-electric hybrid vehicle |
| CN106712234A (en) * | 2017-02-24 | 2017-05-24 | 北京新能源汽车股份有限公司 | Overcurrent protection circuit, bidirectional charger and electric automobile |
-
2009
- 2009-12-24 CN CN2009203520708U patent/CN201601606U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102025171A (en) * | 2009-12-24 | 2011-04-20 | 上海樟村电子有限公司 | Electric power supply system for oil-electric hybrid vehicle |
| CN106712234A (en) * | 2017-02-24 | 2017-05-24 | 北京新能源汽车股份有限公司 | Overcurrent protection circuit, bidirectional charger and electric automobile |
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