CN110745022A - A multi-functional controller and new energy automobile for new energy automobile - Google Patents

A multi-functional controller and new energy automobile for new energy automobile Download PDF

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Publication number
CN110745022A
CN110745022A CN201911026217.9A CN201911026217A CN110745022A CN 110745022 A CN110745022 A CN 110745022A CN 201911026217 A CN201911026217 A CN 201911026217A CN 110745022 A CN110745022 A CN 110745022A
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CN
China
Prior art keywords
bus
negative
contactor
new energy
energy automobile
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911026217.9A
Other languages
Chinese (zh)
Inventor
刘贵生
冯辛未
刘志钢
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jilin Beidou Aerospace Automobile Research Institute Co Ltd
Original Assignee
Jilin Beidou Aerospace Automobile Research Institute Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jilin Beidou Aerospace Automobile Research Institute Co Ltd filed Critical Jilin Beidou Aerospace Automobile Research Institute Co Ltd
Priority to CN201911026217.9A priority Critical patent/CN110745022A/en
Publication of CN110745022A publication Critical patent/CN110745022A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/20Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by converters located in the vehicle
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L15/00Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
    • B60L15/20Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
    • 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
    • Y02T10/64Electric machine technologies in electromobility
    • 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
    • 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
    • Y02T10/7072Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • 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
    • Y02T10/72Electric energy management in electromobility
    • 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
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies relating to charging of electric vehicles
    • Y02T90/14Plug-in electric vehicles

Abstract

A multifunctional controller for a new energy automobile and the new energy automobile comprise a motor controller, a DC/DC converter, a vehicle-mounted charger OBC, a positive direct-current bus, a negative direct-current bus and a power distribution module, wherein the positive direct-current bus and the negative direct-current bus are respectively connected with the motor controller, and the DC/DC converter and the vehicle-mounted charger OBC; the positive dc bus comprises a first bus-section, a second bus-section and a third bus-section connected together in series. Compared with the prior art, the invention has the following advantages: the controller integrates the motor controller, the DC/DC converter, the vehicle-mounted charger OBC and the power distribution module, the integrated controller can save the internal space of the whole vehicle and the battery pack, reduce the number of connectors outside the whole vehicle and the battery pack, facilitate wiring harness routing and reduce cost.

Description

A multi-functional controller and new energy automobile for new energy automobile
Technical Field
The invention relates to a multifunctional controller for a new energy automobile and the new energy automobile using the same.
Background
With the development of new energy, electric vehicles are rapidly developed under the support of national policies, and the quantity of the electric vehicles is rapidly increased; the vehicle-mounted power supply of the new energy automobile mainly comprises two parts: the vehicle-mounted charger OBC and the DC/DC converter. The DC/DC converter is used as an indispensable part in a new energy automobile and is used for converting a high-voltage direct-current power supply into a low-voltage direct-current power supply to supply power for a low-voltage storage battery and low-voltage equipment. The new energy automobile has the alternating current charging function and is provided with a vehicle-mounted charger OBC, and the vehicle-mounted charger OBC converts household 220V alternating current into high-voltage direct current to safely and automatically charge the power battery of the electric automobile. The OBC can dynamically adjust charging current or voltage parameters according to data provided by a Battery Management System (BMS), execute corresponding actions and complete the charging process. The power distribution module is mainly used for reasonably providing control and protection for a power supply of the whole high-voltage loop of the new energy automobile and each electrical appliance. The motor controller in the electric automobile is used for converting the electric energy stored in the power battery into the electric energy required by the driving motor according to instructions of gears, an accelerator, a brake and the like so as to control the running states of the electric automobile such as starting operation, advancing and retreating speed, climbing force and the like, or helping the electric automobile to brake and storing part of brake energy into the power battery. However, the motor controller, the DC/DC converter, the vehicle-mounted charger OBC and the power distribution module are arranged in the whole vehicle and the battery pack in an independent wiring mode, wiring is complex, assembly efficiency is low, occupied space of the whole vehicle is large, and cost is high.
Disclosure of Invention
The technical problem to be solved by the present invention is to overcome the above-mentioned deficiencies of the prior art, and to provide a multifunctional controller for a new energy vehicle and a new energy vehicle.
The multifunctional controller for the new energy automobile provided by the invention adopts the main technical scheme that: the system comprises a motor controller, a DC/DC converter, a vehicle-mounted charger OBC, a positive direct-current bus, a negative direct-current bus and a power distribution module, wherein the positive direct-current bus and the negative direct-current bus are respectively connected with the motor controller, and the DC/DC converter and the vehicle-mounted charger OBC; the positive dc bus comprises a first bus-section, a second bus-section and a third bus-section connected together in series;
a main fuse is connected between the first bus section and the second bus section;
an electrically controlled contactor is connected between the second bus section and the third bus section;
one end of the third bus section is connected with the electric control contactor, the other end of the third bus section is connected with the motor controller, one end of the first bus section is connected with the main fuse, and the other end of the first bus section is a positive connecting end;
one end of the negative direct current bus is connected with the motor controller, and the other end of the negative direct current bus is a negative electrode connecting end;
the DC/DC converter is respectively connected with one end of the first bus section and the negative direct current bus;
and the OBC of the vehicle-mounted charger is respectively connected with one end of the first bus section and the negative direct current bus.
The multifunctional controller for the new energy automobile further adopts the following auxiliary technical scheme:
still include with the parallelly connected pre-charge return circuit of positive direct current generating line, the pre-charge return circuit is including pre-charge resistance and pre-charge contactor that establish ties together, the one end of pre-charge resistance with the pre-charge contactor is connected, the other end of pre-charge resistance with first generating line section is connected, the one end of pre-charge contactor with pre-charge resistance connects, the other end of pre-charge contactor with third generating line section is connected.
The PTC heater is characterized by further comprising a PTC heater interface connected with the second bus section and the negative direct current bus, and a PTC contactor and a PTC fuse are connected between the PTC heater interface and the second bus section.
The direct current bus-bar connection structure further comprises a compressor interface connected with the second bus-bar section and the negative direct current bus-bar, and a compressor contactor and a compressor fuse are connected between the compressor interface and the second bus-bar section.
The quick charging device comprises a first bus section, a negative direct current bus, a second bus section and a quick charging contactor, and is characterized by further comprising a quick charging interface connected with the second bus section and the negative direct current bus, and the quick charging contactor is connected between the quick charging interface and the second bus section.
The new energy automobile provided by the invention adopts the main technical scheme that: the controller comprises a motor controller, a DC/DC converter, a vehicle-mounted charger OBC, a positive direct current bus, a negative direct current bus and a power distribution module, wherein the positive direct current bus and the negative direct current bus are respectively connected with the motor controller, and the DC/DC converter and the vehicle-mounted charger OBC; the positive dc bus comprises a first bus-section, a second bus-section and a third bus-section connected together in series;
a main fuse is connected between the first bus section and the second bus section;
an electrically controlled contactor is connected between the second bus section and the third bus section;
one end of the third bus section is connected with the electric control contactor, the other end of the third bus section is connected with the motor controller, one end of the first bus section is connected with the main fuse, and the other end of the first bus section is a positive connecting end;
one end of the negative direct current bus is connected with the motor controller, and the other end of the negative direct current bus is a negative electrode connecting end;
the DC/DC converter is respectively connected with one end of the first bus section and the negative direct current bus;
and the OBC of the vehicle-mounted charger is respectively connected with one end of the first bus section and the negative direct current bus.
The new energy automobile provided by the invention also adopts the following accessory technical scheme:
the positive pole of the battery pack is connected with the positive pole connecting end, and the negative pole of the battery pack is connected with the negative pole connecting end.
The battery pack comprises a battery module, a manual maintenance switch and a negative contactor, wherein the manual maintenance switch is connected with the positive pole of the battery module, the negative contactor is connected with the negative pole of the battery module, one end of the manual maintenance switch is connected with the positive pole of the battery module, the other end of the manual maintenance switch is connected with the positive connecting end, one end of the negative contactor is connected with the negative pole of the battery module, and the other end of the negative contactor is connected with the negative connecting end.
The motor controller with the motor is connected, PTC heater interface with the PTC heater is connected, the compressor interface with the compressor is connected, fill the interface with fill the male connection soon, on-vehicle machine OBC that charges with fill the mouth slowly and connect, DC/DC converter with the battery is connected.
Compared with the prior art, the multifunctional controller for the new energy automobile provided by the invention has the following advantages: the controller integrates the motor controller, the DC/DC converter, the vehicle-mounted charger OBC and the power distribution module, the integrated controller can save the inner space of the whole vehicle and the battery pack, reduce the number of the whole vehicle and the external connectors of the battery pack, facilitate wiring of a wire harness and reduce cost.
Compared with the prior art, the new energy automobile provided by the invention has the following advantages: the controller integrates the motor controller, the DC/DC converter, the vehicle-mounted charger OBC and the power distribution module, the integrated controller can save the internal space of the whole vehicle and the battery pack, reduce the number of connectors outside the whole vehicle and the battery pack, facilitate wiring harness routing and reduce cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a circuit schematic of the multi-function controller of the present invention.
Fig. 2 is a schematic circuit diagram of a new energy vehicle employing a multifunctional controller according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Referring to fig. 1 and 2, the embodiment of the multifunctional controller for a new energy vehicle according to the present invention includes a motor controller 1, a DC/DC converter 2, a vehicle-mounted charger OBC3, a positive DC bus, a negative DC bus 5, and a power distribution module, where the positive DC bus and the negative DC bus 5 are respectively connected to the motor controller 1, the DC/DC converter 2, and the vehicle-mounted charger OBC 3; the positive dc bus comprises a first bus-section 41, a second bus-section 42 and a third bus-section 43 connected together in series; a main fuse 6 is connected between the first bus-section 41 and the second bus-section 42; an electrically controlled contactor 7 is connected between the second bus-section 42 and the third bus-section 43; one end of the third bus-bar section 43 is connected to the electrically controlled contactor 7, the other end of the third bus-bar section 43 is connected to the motor controller 1, one end of the first bus-bar section 41 is connected to the main fuse 6, and the other end of the first bus-bar section 41 is an anode connection end 44; one end of the negative direct current bus 5 is connected with the motor controller 1, and the other end of the negative direct current bus 5 is a negative electrode connecting end 51; the DC/DC converter 2 is connected to one end of the first bus-section 41 and the negative DC bus 5, respectively; the on-vehicle machine OBC3 that charges respectively with the one end of first generating line section 41 with negative direct current bus 5 is connected. The controller integrates the motor controller 1, the DC/DC converter 2, the vehicle-mounted charger OBC3 and the power distribution module, the integrated controller can save the internal space of the whole vehicle and the battery pack 13, reduce the number of external connectors of the whole vehicle and the battery pack 13, facilitate wiring of a wire harness, and reduce cost.
Referring to fig. 1 and 2, according to the above embodiment of the present invention, the present invention further includes a pre-charging circuit connected in parallel with the positive dc bus, the pre-charging circuit includes a pre-charging resistor 8 and a pre-charging contactor 9 connected in series, one end of the pre-charging resistor 8 is connected to the pre-charging contactor 9, the other end of the pre-charging resistor 8 is connected to the first bus section 41, one end of the pre-charging contactor 9 is connected to the pre-charging resistor 8, and the other end of the pre-charging contactor 9 is connected to the third bus section 43. The pre-charging loop design can avoid the impact of overlarge short-circuit current on the motor controller 1, and improve the safety and reliability of the invention.
Referring to fig. 1 and 2, according to the above embodiment of the present invention, a PTC heater interface 10 connected to the second bus-section 42 and the negative dc bus 5 is further included, and a PTC contactor 101 and a PTC fuse 102 are connected between the PTC heater interface 10 and the second bus-section 42. The PTC heater interface 10 is used for connecting a PTC heater 15 on a new energy automobile.
Referring to fig. 1 and 2, according to the above embodiment of the present invention, a compressor interface 11 connected to the second bus-section 42 and the negative dc bus 5 is further included, and a compressor contactor 111 and a compressor fuse 112 are connected between the compressor interface 11 and the second bus-section 42. The compressor interface 11 is used for connecting a compressor 16 on the new energy automobile.
Referring to fig. 1 and 2, according to the above embodiment of the present invention, a fast charging interface 12 is further included, which is connected to the second bus-section 42 and the negative dc bus 5, and a fast charging contactor 121 is connected between the fast charging interface 12 and the second bus-section 42. The quick charging interface 12 is used for connecting a quick charging plug 17 on the new energy automobile.
Referring to fig. 1 and 2, the new energy vehicle provided by the present invention includes a battery pack 13, a motor 14, a PTC heater 15, a compressor 16, a quick charging plug 17, a slow charging port 18, a storage battery 19, and a controller, where the battery pack 13, the motor 14, the PTC heater 15, the compressor 16, the quick charging plug 17, the slow charging port 18, and the storage battery 19 are all mature technologies in the prior art and are not described herein again, and the controller in this embodiment is the multifunctional controller for the new energy vehicle described in the above embodiment. The controller integrates the motor controller 1, the DC/DC converter 2, the vehicle-mounted charger OBC3 and the power distribution module, and the integrated controller can save the internal space of the whole vehicle and the battery pack 13, reduce the number of external connectors of the whole vehicle and the battery pack 13, facilitate wiring harness routing and reduce cost.
Referring to fig. 1 and 2, according to the above embodiment of the present invention, the positive electrode of the battery pack 13 is connected to the positive electrode connection end 44, and the negative electrode of the battery pack 13 is connected to the negative electrode connection end 51. The battery pack 13 comprises a battery module 131, a manual maintenance switch 132 connected to the positive electrode of the battery module 131, and a negative contactor connected to the negative electrode of the battery module 131, one end of the manual maintenance switch 132 is connected to the positive electrode of the battery module 131, the other end of the manual maintenance switch 132 is connected to the positive connecting end 44, one end of the negative contactor is connected to the negative electrode of the battery module 131, and the other end of the negative contactor is connected to the negative connecting end 51.
Referring to fig. 1 and 2, according to the above embodiment of the present invention, the motor controller 1 is connected to the motor 14, the PTC heater interface 10 is connected to the PTC heater 15, the compressor interface 11 is connected to the compressor 16, the quick charging interface 12 is connected to the quick charging plug 17, the on-board charger OBC3 is connected to the slow charging port 18, and the DC/DC converter 2 is connected to the storage battery 19. When the motor controller 1 is used specifically, a high-voltage input end of the motor controller 1 is connected with the positive electrode and the negative electrode of the battery pack 13, a high-voltage output end of the motor controller is connected with the motor 14, when the high voltage is electrified, the negative electrode contactor 133 in the battery pack 13 is closed firstly, then the pre-charging contactor 9 is closed for pre-charging, the electric control contactor 7 is closed after the pre-charging is completed, the pre-charging contactor 9 is disconnected, the high-voltage power supply is connected, the motor controller 1 has a high-voltage working condition, provides high-voltage three-phase power for the motor;
the high-voltage input end of the DC/DC converter 2 is the positive and negative poles of the battery pack 13, the low-voltage output end is connected with the low-voltage storage battery 19, when the high voltage is electrified, the negative contactor 133 in the battery pack 13 is closed firstly, then the pre-charging contactor 9 is closed for pre-charging, the electric control contactor 7 is closed after the pre-charging is finished, the pre-charging contactor 9 is disconnected, the high-voltage power supply is connected, the DCDC starts working, the high-voltage direct current is converted into the low-voltage 12V power supply to charge the storage battery 19;
when an alternating current charging gun is inserted into the slow charging port 18 for alternating current charging, a negative contactor 133 in the battery pack 13 is closed firstly, and the charger 14 starts to work when no problem exists in self-detection, and converts 220V alternating current into direct current to charge the battery pack 13.
The power distribution module is responsible for managing and distributing the current of the whole electric automobile, regulating and monitoring the current of each device on the electric automobile, isolating and protecting the power utilization safety of each device and protecting the circuit from being broken; the battery pack 13 is also protected and monitored in charging and discharging, the communication of current, voltage, control and detection data of the battery pack 13 and equipment is realized, the on-off of a circuit and the control of a switching circuit are realized, the circuits of other equipment can be disconnected during charging, and the damage to other equipment during charging is avoided.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims (9)

1. The utility model provides a multi-functional controller for new energy automobile which characterized in that: the system comprises a motor controller, a DC/DC converter, a vehicle-mounted charger OBC, a positive direct-current bus, a negative direct-current bus and a power distribution module, wherein the positive direct-current bus and the negative direct-current bus are respectively connected with the motor controller, and the DC/DC converter and the vehicle-mounted charger OBC; the positive dc bus comprises a first bus-section, a second bus-section and a third bus-section connected together in series;
a main fuse is connected between the first bus section and the second bus section;
an electrically controlled contactor is connected between the second bus section and the third bus section;
one end of the third bus section is connected with the electric control contactor, the other end of the third bus section is connected with the motor controller, one end of the first bus section is connected with the main fuse, and the other end of the first bus section is a positive connecting end;
one end of the negative direct current bus is connected with the motor controller, and the other end of the negative direct current bus is a negative electrode connecting end;
the DC/DC converter is respectively connected with one end of the first bus section and the negative direct current bus;
and the OBC of the vehicle-mounted charger is respectively connected with one end of the first bus section and the negative direct current bus.
2. The multifunctional controller for a new energy automobile according to claim 1, characterized in that: still include with the parallelly connected pre-charge return circuit of positive direct current generating line, the pre-charge return circuit is including pre-charge resistance and pre-charge contactor that establish ties together, the one end of pre-charge resistance with the pre-charge contactor is connected, the other end of pre-charge resistance with first generating line section is connected, the one end of pre-charge contactor with pre-charge resistance connects, the other end of pre-charge contactor with third generating line section is connected.
3. The multifunctional controller for a new energy automobile according to claim 1, characterized in that: the PTC heater is characterized by further comprising a PTC heater interface connected with the second bus section and the negative direct current bus, and a PTC contactor and a PTC fuse are connected between the PTC heater interface and the second bus section.
4. The multifunctional controller for a new energy automobile according to claim 1, characterized in that: the direct current bus-bar connection structure further comprises a compressor interface connected with the second bus-bar section and the negative direct current bus-bar, and a compressor contactor and a compressor fuse are connected between the compressor interface and the second bus-bar section.
5. The multifunctional controller for a new energy automobile according to claim 1, characterized in that: the quick charging device comprises a first bus section, a negative direct current bus, a second bus section and a quick charging contactor, and is characterized by further comprising a quick charging interface connected with the second bus section and the negative direct current bus, and the quick charging contactor is connected between the quick charging interface and the second bus section.
6. The utility model provides a new energy automobile, includes battery package, motor, PTC heater, compressor, fills the plug soon, fills charge mouthful, battery and controller slowly, its characterized in that: the controller is the multifunctional controller for the new energy automobile as claimed in any one of claims 1 to 5.
7. The new energy automobile according to claim 6, characterized in that: the positive pole of the battery pack is connected with the positive pole connecting end, and the negative pole of the battery pack is connected with the negative pole connecting end.
8. The new energy automobile according to claim 7, characterized in that: the battery pack comprises a battery module, a manual maintenance switch and a negative contactor, wherein the manual maintenance switch is connected with the positive pole of the battery module, the negative contactor is connected with the negative pole of the battery module, one end of the manual maintenance switch is connected with the positive pole of the battery module, the other end of the manual maintenance switch is connected with the positive connecting end, one end of the negative contactor is connected with the negative pole of the battery module, and the other end of the negative contactor is connected with the negative connecting end.
9. The new energy automobile according to claim 6, characterized in that: the motor controller with the motor is connected, PTC heater interface with the PTC heater is connected, the compressor interface with the compressor is connected, fill the interface with fill the male connection soon, on-vehicle machine OBC that charges with fill the mouth slowly and connect, DC/DC converter with the battery is connected.
CN201911026217.9A 2019-10-25 2019-10-25 A multi-functional controller and new energy automobile for new energy automobile Pending CN110745022A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911026217.9A CN110745022A (en) 2019-10-25 2019-10-25 A multi-functional controller and new energy automobile for new energy automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911026217.9A CN110745022A (en) 2019-10-25 2019-10-25 A multi-functional controller and new energy automobile for new energy automobile

Publications (1)

Publication Number Publication Date
CN110745022A true CN110745022A (en) 2020-02-04

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Application Number Title Priority Date Filing Date
CN201911026217.9A Pending CN110745022A (en) 2019-10-25 2019-10-25 A multi-functional controller and new energy automobile for new energy automobile

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111497636A (en) * 2020-04-30 2020-08-07 三一重机有限公司 Integrated control system of electric excavator and electric excavator system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111497636A (en) * 2020-04-30 2020-08-07 三一重机有限公司 Integrated control system of electric excavator and electric excavator system

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