CN207140814U - Hybrid power system for hybrid power passenger car - Google Patents

Hybrid power system for hybrid power passenger car Download PDF

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Publication number
CN207140814U
CN207140814U CN201721143139.7U CN201721143139U CN207140814U CN 207140814 U CN207140814 U CN 207140814U CN 201721143139 U CN201721143139 U CN 201721143139U CN 207140814 U CN207140814 U CN 207140814U
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China
Prior art keywords
voltage
converters
low
way
hybrid power
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CN201721143139.7U
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Inventor
张松
毛正松
欧阳石坤
王东栋
吴苾曜
陈红权
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Yuchaixinlan New Energy Power Technology Co ltd
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Guangxi Yuchai Machinery Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries

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  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The utility model discloses a kind of hybrid power system for hybrid power passenger car, including composite power source control cabinet and entire car controller, also include being arranged at two-way DC/DC converters and composite power source controller, the two-way DC/DC converters include the two-way DC/DC converters of low pressure and high-voltage bidirectional DC/DC converters, the high-voltage bidirectional DC/DC converters are connected with a high-tension battery group and output end is in parallel for after the high-voltage capacitance group of energy storage and voltage stabilizing, forming high voltage supply system;The two-way DC/DC converters of low pressure are connected with an A-battery group and output end is in parallel for after the low-voltage capacitance group of energy storage and voltage stabilizing, forming low-voltage power supply system;The low-voltage capacitance group is in parallel with starter motor supplying cell with after relay and Diode series successively, so as to form the auxiliary circuit to starter motor power supply.By the utility model can effectively solve the problems, such as discharged or defective battery or low temperature discharge it is limited caused by diesel engine can not start, reduce system cost, reduce system bulk.

Description

Hybrid power system for hybrid power passenger car
Technical field
It the utility model is related to field of power supplies, more particularly to a kind of hybrid power system for hybrid power passenger car.
Background technology
At present, single power battery system can not meet new-energy automobile to energy and the dual requirementses of power, therefore be Meet needs, the hybrid power system being made up of electrokinetic cell and super capacitor turn into new-energy automobile optimal energy storage scheme it One.The management system main function of composite power source is by controlling the charge and discharge process between super capacitor and electrokinetic cell to close The reason distribution energy switching and energy distribution of the two, to extend system service life.It is existing by super capacitor and power battery pack Into the management system of hybrid vehicle composite power source energy-storage system mainly have three kinds of forms:Based on diode, based on IGBT With based on two-way DC/DC.Composite power source management system based on diode, the break-make of diode can only passively by super capacitor and The voltage status of electrokinetic cell determines, once conducting, energy-storage system can continue to work under low-voltage state, system operating efficiency Low, caloric value is big, has a strong impact on system service life;Composite power source management system based on IGBT, although can lead to IGBT It is disconnected to be controlled, but between super capacitor and electrokinetic cell can only unidirected discharge, electrokinetic cell can not receive feedback braking electric energy, Influence vehicle energy consumption level;All it is using single whole for the existing composite power source management system based on two-way DC/DC of in the market The two-way DC/DC converters of body formula, its shortcoming are to use high pressure resistant device, must cause system bulk using the cooling system of adaptation Big and cost is high.
In new-energy automobile market, the super capacitor and electrokinetic cell hybrid power system of appearance are only used for giving driving electricity Machine is powered, from the effect without making full use of super capacitor.Meanwhile in new-energy automobile application process, in the prevalence of If the problem of be automobile for a long time without using or under cryogenic in use, power shortage or low temperature discharge energy due to 24V batteries Power is limited so that diesel engine is often difficult to start, and the high power density of super capacitor and the lucky energy of low-temperature working characteristic Solves this problem, but assembling is exclusively used in the super capacitor of diesel engine cold-starting not only utilization rate is low but also cost is higher.
Utility model content
The purpose of this utility model is to provide a kind of hybrid power system for hybrid power passenger car, can effectively solve The problem of diesel engine caused by certainly discharged or defective battery or low temperature discharge are limited can not start, reduces system cost, reduces system body Product.
To realize the purpose, there is provided a kind of hybrid power system for hybrid power passenger car, including composite power source control Case and entire car controller processed, in addition to be arranged at two-way for being controlled to battery charging and discharging in composite power source control cabinet DC/DC converters and the compound electric for hybrid power system work coordinate control and be connected with entire car controller signal Source controller, the two-way DC/DC converters include the two-way DC/DC converters of low pressure and high-voltage bidirectional DC/DC converters, institute High-voltage bidirectional DC/DC converters are stated to be connected with a high-tension battery group and the in parallel high-voltage capacitance for being used for energy storage and voltage stabilizing of output end After group, high voltage supply system is formed;The two-way DC/DC converters of low pressure are connected with an A-battery group and output end is in parallel For after the low-voltage capacitance group of energy storage and voltage stabilizing, forming low-voltage power supply system;The high-voltage capacitance group, low-voltage capacitance group and driving After motor is connected in series, forms low-voltage power supply system and high voltage supply system and motor progress series-fed is returned Road;The high-voltage bidirectional DC/DC converters and the two-way DC/DC converters of low pressure control with entire car controller and composite power source respectively Device signal connects;The low-voltage capacitance group successively with for controlling the relay and use that low-voltage power supply system powers to starter motor It is in parallel with starter motor supplying cell after the reverse Diode series of electric current are avoided, so as to be formed to the auxiliary of starter motor power supply Help circuit.
Preferably, the relay is connected with composite power source controller signals.
Preferably, the high-voltage bidirectional DC/DC converters and the two-way DC/DC converters of low pressure are respectively arranged with temperature sense Device, voltage collector, earth detector and insulation monitoring and warning device, the composite power source control cabinet are additionally provided with casing insulation prison Survey device and the temperature inside the box detection means and be connected respectively with composite power source controller and entire car controller signal.
Preferably, the system is additionally provided with warning circuit, and the warning circuit is supervised with composite power source controller, casing insulation Device is surveyed to connect with the temperature inside the box detection means with entire car controller signal.
Preferably, communicated in the system by CAN.
Preferably, at least one electronic fan is provided with the composite power source control cabinet, for two-way DC/DC converters Letter is carried out with the outside high pressure aviation plug being attached, for two-way DC/DC converters and composite power source controller and outside The low voltage control aviation plug of number connection, the two-way DC/DC converters are connected by high-voltage wiring harness with high pressure aviation plug, institute Two-way DC/DC converters and composite power source controller is stated to be connected with low voltage control aviation plug by low voltage wiring harness.
Preferably, the high-voltage wiring harness is cased with the PE heat-shrink tubes for strengthening resistance to elevated temperatures.
Compared with prior art, its advantage is the utility model:
By setting low-voltage power supply system and high voltage supply system and can be to motor and opening in the utility model Dynamic motor is powered control, can effectively solve discharged or defective battery or low temperature discharge it is limited caused by diesel engine can not start Problem, system cost is reduced, reduce system bulk.Low-voltage capacitance group assistant starting motor power supply electricity is utilized in the utility model Pond provides electric energy, and conjunction can be also assembled with high-voltage capacitance and provides electrical energy drive vehicle to motor, so as to effective Utilize existing device, save cost, reduce system bulk.In the utility model, by the two-way DC/DC converters of single entirety Be separated into the two-way DC/DC converters of two high-low voltages in parallel, reduce single two-way DC/DC converters operating voltage and Operating current, system cost is reduced, reduce system bulk, add the flexibility of arrangement.In the utility model, it is provided with Monitoring and Realtime Alerts circuit to temperature, and to whole-control system and answered with forms of broadcasting real-time Transmission by CAN Power-supply controller of electric is closed, so as to temperature monitor in real time and the work of electronic fan can be controlled, to ensure the electricity in system Road and the service life of electronic component.In the utility model, by setting to the voltage monitoring of high-voltage terminal, can and When detect the failures such as the short circuit, electric leakage, insulation of high-tension line;Sealing is improved by using aviation plug and installs what is safeguarded Convenience;High-pressure connection line inside composite power source control cabinet uses PE heat-shrink tubes, can effectively improve resistance to elevated temperatures.
Brief description of the drawings
Fig. 1 is circuit connection diagram of the present utility model;
Fig. 2 is the structured flowchart of composite power source control cabinet in the utility model.
Embodiment
With reference to embodiment, the utility model will be further described, but does not form to of the present utility model any Limitation, the modification of any limited number of time made in the utility model claims scope, still in claim of the present utility model In the range of.
As Figure 1-Figure 2, the utility model provides a kind of hybrid power system for hybrid power passenger car, including Composite power source control cabinet 7 and entire car controller 1, in addition to be arranged in composite power source control cabinet 7 and be used to enter battery charging and discharging The two-way DC/DC converters 3 and carry out coordinating control for working to hybrid power system and believe with entire car controller 1 that row controls The composite power source controller 2 of number connection, the two-way DC/DC converters 3 include the two-way DC/DC converters 32 of low pressure and high pressure Two-way DC/DC converters 31, the high-voltage bidirectional DC/DC converters 31 are connected with a high-tension battery group B1 and output end is in parallel For after the high-voltage capacitance group C1 of energy storage and voltage stabilizing, forming high voltage supply system 200;The two-way DC/DC converters 32 of low pressure It is connected with an A-battery group B2 and output end is in parallel for after the low-voltage capacitance group C2 of energy storage and voltage stabilizing, forming low-voltage power supply System 100;After high-voltage capacitance group C1, low-voltage capacitance group C2 and the motor 4 are connected in series, low-voltage power supply system is formed System 100 and high voltage supply system 200 carry out the loop of series-fed to motor 4;The high-voltage bidirectional DC/DC converters 31 It is connected respectively with entire car controller 1 and the signal of composite power source controller 2 with the two-way DC/DC converters 32 of low pressure;The low tension Appearance group C2 successively with for controlling relay KM that low-voltage power supply system 100 powers to starter motor 5 and for avoiding electric current anti- To diode D1 series connection after it is in parallel with starter motor supplying cell B3, so as to formed power supply to starter motor 5 auxiliary circuit.
In the present embodiment, composite power source controller 2 is real-time by real-time reception starter motor supplying cell B3 power supply Data and control whether turn-on relay KM, allow low-voltage power supply system 100 to starter motor 5 carry out auxiliary power supply, wherein, start Motor supplying cell B3 supply voltage is direct current 24V.High-voltage capacitance group C1, low-voltage capacitance group C2 are super capacitor, low pressure The two-way DC/DC converters 32 of capacitance group C2, low pressure and A-battery group B2, which cooperatively form low-voltage power supply system 100 and provided, starts horse Up to the voltage needed for 5.In normal power supply, high-voltage bidirectional DC/DC converters 31, high-voltage capacitance group C1 and high-tension battery group B1 match somebody with somebody Conjunction forms high voltage supply system 200 and powered jointly to motor 4 with low-voltage power supply system 100, makes vehicle normal work.Two poles Pipe D1 can effectively avoid low-voltage power supply system 100 from reflux occur to starter motor 5.High-voltage bidirectional DC/DC converters 31 can High-tension battery group B1 discharge and recharge is controlled, the two-way DC/DC converters 32 of low pressure can control A-battery group B2 discharge and recharge.
High-voltage bidirectional DC/DC converters 31 and the two-way DC/DC converters 32 of low pressure are respectively arranged with temperature inductor, voltage Collector, earth detector and insulation monitoring and warning device, composite power source control cabinet 7 are additionally provided with casing insulation monitoring and warning device and case Interior temperature-detecting device and it is connected respectively with composite power source controller 2 and the signal of entire car controller 1.The system is additionally provided with report Alert circuit, warning circuit and composite power source controller 2, casing insulation monitoring and warning device and the temperature inside the box detection means and full-vehicle control The signal of device 1 connects.Communicated in the system by CAN.
In the present embodiment, by being changed in the two-way DC/DC of each high-pressure side such as high-voltage bidirectional DC/DC converters 31 and low pressure The real-time detection that the output end of device 32 enters trip temperature, voltage, electric leakage and insulation can effectively avoid the generation of accident, to system In each element play a protective role, while make it that vehicle operation is safer, stably.Warning circuit can play real-time alert Effect.
Four electronic fans 6 are provided with composite power source control cabinet 7, are connected for two-way DC/DC converters 3 with outside The high pressure aviation plug 8 that connects, carry out for two-way DC/DC converters 3 and composite power source controller 2 and outside signal be connected it is low Voltage-controlled aviation plug processed 10, two-way DC/DC converters 3 are connected by high-voltage wiring harness 9 with high pressure aviation plug 8, and two-way DC/DC turns Parallel operation 3 and composite power source controller 2 are connected by low voltage wiring harness 11 with low voltage control aviation plug 10.High-voltage wiring harness 9 is cased with For strengthening the PE heat-shrink tubes of resistance to elevated temperatures.
In the present embodiment, electronic fan 6 is controlled in real time by composite power source controller 2 so that the work of electronic fan 6 The efficiency of work can ensure temperature stabilization in composite power source control cabinet 7, so as to avoid too high temperature from burning out component.Low pressure control Aviation plug 10 and high pressure aviation plug 8 processed can effectively ensure the sealing of composite power source control cabinet 7, also being capable of the company of avoiding The connector of wrong line when connecing, high-voltage bidirectional DC/DC converters 31 and the two-way DC/DC converters 32 of low pressure makes mark respectively, Can be made a distinction with different colors or plug of different sizes, high-voltage wiring harness 9 enable at work circuit bear more High temperature.
In the workflow of the present embodiment:On startup, starter motor supplying cell B3 is powered to starter motor 5, When the signal that composite power source controller 2 receives shows starter motor supplying cell B3 electricity shortages, composite power source controller 2 is controlled Control relay KM closures, assistant starting motor supplying cell B3 are powered simultaneously for low-voltage power supply system 100 processed work, when opening After dynamic motor 5 drives complete machine to start after starting, the control relay KM of composite power source controller 2 disconnects, low-voltage power supply system 100 with High voltage supply system 200 coordinates to be powered to motor 4, and whole control system can carry out reality by entire car controller 1 When control, can be alarmed in real time when occurring the failures such as high temperature, overvoltage, under-voltage, electric leakage and short circuit in systems, so as to Avoid the generation of accident.
By the utility model can effectively solve discharged or defective battery or low temperature discharge it is limited caused by diesel engine can not open The problem of dynamic, system cost is reduced, reduce system bulk.
It the above is only preferred embodiment of the present utility model, it should be pointed out that for those skilled in the art, On the premise of not departing from the utility model structure, several modifications and improvements can also be made, these are new all without this practicality is influenceed The effect and practical applicability that type is implemented.

Claims (7)

1. a kind of hybrid power system for hybrid power passenger car, including composite power source control cabinet (7) and entire car controller (1), it is characterised in that:It is also two-way for being controlled to battery charging and discharging including being arranged in composite power source control cabinet (7) DC/DC converters (3) and for carrying out coordinating control and to be connected with entire car controller (1) signal to hybrid power system work Composite power source controller (2), the two-way DC/DC converters (3) include the two-way DC/DC converters (32) of low pressure and high pressure is double To DC/DC converters (31), the high-voltage bidirectional DC/DC converters (31) are connected with a high-tension battery group (B1) and output end After parallel connection is used for the high-voltage capacitance group (C1) of energy storage and voltage stabilizing, high voltage supply system (200) is formed;The two-way DC/DC of low pressure Converter (32) is connected with an A-battery group (B2) and the output end low-voltage capacitance group (C2) in parallel for being used for energy storage and voltage stabilizing Afterwards, low-voltage power supply system (100) is formed;The high-voltage capacitance group (C1), low-voltage capacitance group (C2) and motor (4) are gone here and there After connection connection, form low-voltage power supply system (100) and high voltage supply system (200) and series-fed is carried out to motor (4) Loop;The high-voltage bidirectional DC/DC converters (31) and the two-way DC/DC converters (32) of low pressure respectively with entire car controller (1) Connected with composite power source controller (2) signal;The low-voltage capacitance group (C2) successively with for controlling low-voltage power supply system (100) To starter motor (5) power supply relay (KM) and for avoid the reverse diode of electric current (D1) connect after with starter motor supply Battery (B3) is in parallel, so as to form the auxiliary circuit to starter motor (5) power supply.
A kind of 2. hybrid power system for hybrid power passenger car according to claim 1, it is characterised in that:It is described after Electrical equipment (KM) is connected with composite power source controller (2) signal.
A kind of 3. hybrid power system for hybrid power passenger car according to claim 1, it is characterised in that:The height Two-way DC/DC converters (31) and the two-way DC/DC converters (32) of low pressure is pressed to be respectively arranged with temperature inductor, voltage acquisition Device, earth detector and insulation monitoring and warning device, the composite power source control cabinet (7) be additionally provided with casing insulation monitoring and warning device and The temperature inside the box detection means and it is connected respectively with composite power source controller (2) and entire car controller (1) signal.
A kind of 4. hybrid power system for hybrid power passenger car according to claim 3, it is characterised in that:The system Warning circuit is additionally provided with, the warning circuit is examined with composite power source controller (2), casing insulation monitoring and warning device and the temperature inside the box Device is surveyed to connect with entire car controller (1) signal.
A kind of 5. hybrid power system for hybrid power passenger car according to claim 4, it is characterised in that:The system Inside communicated by CAN.
A kind of 6. hybrid power system for hybrid power passenger car according to claim 1, it is characterised in that:It is described multiple Close and be provided with least one electronic fan (6) on power controling box (7), connected for two-way DC/DC converters (3) with outside The high pressure aviation plug (8) that connects, for two-way DC/DC converters (3) and composite power source controller (2) carry out signal company with outside The low voltage control aviation plug (10) connect, the two-way DC/DC converters (3) pass through high-voltage wiring harness (9) and high pressure aviation plug (8) connect, the two-way DC/DC converters (3) and composite power source controller (2) are navigated by low voltage wiring harness (11) and low voltage control Blind plug (10) connects.
A kind of 7. hybrid power system for hybrid power passenger car according to claim 6, it is characterised in that:The height Line ball beam (9) is cased with the PE heat-shrink tubes for strengthening resistance to elevated temperatures.
CN201721143139.7U 2017-09-07 2017-09-07 Hybrid power system for hybrid power passenger car Active CN207140814U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721143139.7U CN207140814U (en) 2017-09-07 2017-09-07 Hybrid power system for hybrid power passenger car

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721143139.7U CN207140814U (en) 2017-09-07 2017-09-07 Hybrid power system for hybrid power passenger car

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107415709A (en) * 2017-09-07 2017-12-01 广西玉柴机器股份有限公司 Hybrid power system for hybrid power passenger car

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107415709A (en) * 2017-09-07 2017-12-01 广西玉柴机器股份有限公司 Hybrid power system for hybrid power passenger car
CN107415709B (en) * 2017-09-07 2023-08-29 广西玉柴机器股份有限公司 Composite power supply system for hybrid electric bus

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Effective date of registration: 20220909

Address after: No. 9, Keyuan East 11th Road, High-tech Zone, Nanning City, Guangxi Zhuang Autonomous Region, 530009

Patentee after: Yuchaixinlan New Energy Power Technology Co.,Ltd.

Address before: No.88 Tianqiao West Road, Yulin City, Guangxi Zhuang Autonomous Region

Patentee before: Guangxi Yuchai Machinery Co.,Ltd.