CN207772908U - A kind of multiaxis Direct wheel drives distributed high-pressure system for electric vehicle - Google Patents
A kind of multiaxis Direct wheel drives distributed high-pressure system for electric vehicle Download PDFInfo
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- CN207772908U CN207772908U CN201721205463.7U CN201721205463U CN207772908U CN 207772908 U CN207772908 U CN 207772908U CN 201721205463 U CN201721205463 U CN 201721205463U CN 207772908 U CN207772908 U CN 207772908U
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- contactor
- battery group
- tension battery
- electric vehicle
- driving motor
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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 is related to electric vehicle distribution technique fields, specifically provide a kind of multiaxis Direct wheel drives distributed high-pressure system for electric vehicle, with each axle unit for a node, each node is connected in parallel on high-voltage bus；Each axle unit includes high-tension battery group, revolver driving motor, right wheel driving motor, controllable additional device and non-controllable additional device, there are four branches in parallel for the output of each axle unit high-tension battery group, by the positive contactor of concatenated master and main negative contactor, respectively at revolver driving motor, right wheel driving motor, all the way controllable additional device and additional device non-controllable all the way connection；A main positive contactor preliminary filling circuit also in parallel.The utility model is designed reasonably, safe and reliable, each node working condition can be controlled by the controller and monitor, when individual part failure, normal work that controller can individually disconnect the component from bus without influencing other systems in bus.
Description
Technical field
The utility model belongs to electric vehicle distribution technique field, and in particular to a kind of multiaxis Direct wheel drives are for electric vehicle
Distributed high-pressure system.
Background technology
Electric vehicle（Including pure electric automobile, mixed power electric car and fuel electric vehicle）, i.e. whole or portion
Divide and use electric energy drive motor as the automobile of dynamical system, there are the remarkable advantages such as efficient, energy saving, low noise, zero-emission,
Environmental protection and energy-saving square face have incomparable advantage.
Motor is directly mounted in hub for vehicle wheel by Direct wheel drives system, and traditional clutch, gearbox, master is omitted
The components such as retarder and differential mechanism, enormously simplify automobile chassis structures, improve transmission efficiency, and can be by controlling skill
Art realizes to the Electronic differential control of Electric Motor Wheel, thus using Direct wheel drives system configurations by be the following electric vehicle master
Want developing direction.
Application No. is 2014105227558 utility model patents to disclose a kind of limping traveling control of pure electric automobile
Method and control system, by the system can again electric vehicle occur that battery capacity is low, power system components temperature is excessively high or
When the failure that other influences vehicle normally drives safely, power battery output power and driving motor output torque, control are limited
Vehicle Speed is within limits so that driver can make corresponding treatment measures in certain distance.But it should
Scheme is the time for delaying failure to lead to parking, can not disconnect malfunctioning node, and unresolved system failure problem,
Therefore it provides a kind of multiaxis Direct wheel drives distributed high-pressure system for electric vehicle, is very necessary.
Utility model content
Utility model aims to solve above-mentioned exist in the prior art to disconnect malfunctioning node in time, can not
It realizes independent isolating problem when failure, a kind of reasonable design, for electric vehicle point safe of multiaxis Direct wheel drives is provided
Cloth high-pressure system.
The utility model is achieved through the following technical solutions：
A kind of multiaxis Direct wheel drives distributed high-pressure system for electric vehicle, using distributed bus structure, high-pressure system
With each axle unit for a node, several nodes are connected in parallel on high-voltage bus；The quantity of the node can be according to different vehicles
Type is set, and its break-make being connect with high-voltage bus can be controlled by controller.
Further, the axle unit includes high-tension battery group, and the high-tension battery group exports four by the positive contactor of master
The branch of a parallel connection, reconnects main negative contactor, and four parallel branches are respectively：
The high-tension battery group is connect by an insurance and contactor with controllable additional device；
The high-tension battery group is connect by an insurance with non-controllable additional device；
The high-tension battery group is connect by an insurance and contactor with revolver driving motor；
The high-tension battery group is connect by an insurance and contactor with right wheel driving motor.
Further, the positive contactor of a master preliminary filling circuit also in parallel, the preliminary filling circuit is by concatenated preliminary filling resistance
It is formed with preliminary filling contactor.
Further, the driving circuit of main positive contactor, main negative contactor and preliminary filling contactor is all connected with a controller.
Further, main positive contactor and main negative contactor are double-contact contactor, including the high-voltage contact of linkage and
Low-pressure contact, high pressure, which is got an electric shock, connects high-tension battery group, and low-pressure contact connects controller.
Further, revolver driving motor is in parallel with right wheel driving motor, the contactor low-pressure contact connection connected
To controller, and break-make can be connected according to control order.
Further, controllable additional device passes through the main positive contactor of contactor connection, the low-pressure contact connection of the contactor
Controller, controller can receive the control signal that driver sends out, and then carry out start-up and shut-down control to the device；Non-controllable assistor
Part is only connect by insurance with main positive contactor, can be connected after the power is turned on vehicle high pressure.
Compared with prior art, the utility model has the beneficial effects that：
The utility model/new design is reasonable, has preferable reliability, safety and versatility.System is using distribution
Formula bus structures, with each axle unit system for a node, each node is an independent system, and working condition is equal
It can be controlled by the controller and monitor, if some node failure, controller can disconnect the node without influencing bus from bus
The normal work of upper other systems.
Each axle unit system includes one group of high-tension battery, revolver driving motor, right wheel driving motor, controllable auxiliary all the way
Device output and additional device non-controllable all the way output are helped, ensure that the reasonable distribution of the energy.Meanwhile each axle unit
High-tension battery group can be disconnected in failure with bus；Each Direct wheel drives motor can individually be controlled by the controller, Ji Nengshi
Independent isolation when existing failure, and can have well flexibly according to different operating conditions, to realize different drive forms
Property.Each axle unit is both provided with preliminary filling circuit, can play protection to auxiliary system, motor etc..
Controllable additional device output loop is furnished with individual contactor, can after major loop connection, by driver to its into
Row individually control, can connect the auxiliaries system such as air-conditioning or warm wind；Non-controllable additional device output loop does not need driver
Control can work after major loop connection, can connect the auxiliaries system such as air compressor machine or power assistance pump for steering.
Meanwhile each current supply circuit is equipped with corresponding insurance, is effectively protected to vehicle device；It is main to power back
It includes main positive contactor and major-minor contactor that two contactors, which are arranged, in road, improves the safety of vehicle.
In addition, the utility model Method And Principle is reliable, step is simple, has very extensive application prospect.
It can be seen that the utility model compared with prior art, has substantive features and progress, the beneficial effect implemented
Fruit is also obvious.
Description of the drawings
Fig. 1 is a kind of circuit knot of multiaxis Direct wheel drives provided by the utility model distributed high-pressure system for electric vehicle
Structure schematic diagram.
Fig. 2 is the circuit diagram of the utility model bottom bracket unit.
Wherein, 1- axle units, 2- high-tension battery groups, the controllable additional devices of 3-, the non-controllable additional devices of 4-, the driving of 5- revolvers
Motor, 6- right wheel driving motors, the positive contactor of 7- master, 8- master bear contactor, 9- preliminary fillings circuit.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings：
As shown in Figure 1, a kind of multiaxis Direct wheel drives provided by the utility model distributed high-pressure system for electric vehicle, is adopted
With distributed bus structure, for high-pressure system with each axle unit 1 for a node, 1 internal structure of each axle unit is identical, several
A node is connected in parallel on high-voltage bus；The quantity of the node can be set according to different automobile types, and can pass through controller control
Make its break-make being connect with high-voltage bus.
In the present embodiment, as shown in Fig. 2, the axle unit 1 includes high-tension battery group 2, the high-tension battery group 2 passes through
Main positive contactor 7 exports four branches in parallel, reconnects main negative contactor 8, and four parallel branches are respectively：
The high-tension battery group 2 is connect by an insurance F1 and contactor with controllable additional device 3；
The high-tension battery group 2 is connect by an insurance F2 with non-controllable additional device 4；
The high-tension battery group 2 is connect by an insurance F3 and contactor with revolver driving motor 5；
The high-tension battery group 2 is connect by an insurance F4 and contactor with right wheel driving motor 6.
In the present embodiment, the positive contactor 7 of a master preliminary filling circuit 9 also in parallel, the preliminary filling circuit is by concatenated pre-
Charging resistance R1 and preliminary filling contactor composition.
In the present embodiment, the driving circuit of main positive contactor 7, main negative contactor 8 and preliminary filling contactor is all connected with a control
Device processed.
In the present embodiment, main positive contactor 7 and main negative contactor 8 are double-contact contactor, include the high pressure of linkage
Contact and low-pressure contact, high pressure, which is got an electric shock, connects high-tension battery group 2, and low-pressure contact connects controller.
In the present embodiment, revolver driving motor 5 is in parallel with right wheel driving motor 6, and the contactor low pressure connected is touched
Point is connected to controller, and can connect break-make according to control order.
In the present embodiment, controllable additional device 3 is touched by the main positive contactor 7 of contactor connection, the low pressure of the contactor
Point connection controller, controller can receive the control signal that driver sends out, and then carry out start-up and shut-down control to the device；It is non-controllable
Additional device 4 is only connect by insuring F2 with main positive contactor 7, can be connected after the power is turned on vehicle high pressure.
The utility model/new design is reasonable, has preferable reliability, safety and versatility.System is using distribution
Formula bus structures, with 1 system of each axle unit for a node, each node is an independent system, working condition
It can be controlled by the controller and monitor, if some node failure, controller can disconnect the node without influencing always from bus
The normal work of other systems on line.
1 system of each axle unit includes a high-tension battery group 2, revolver driving motor 5, right wheel driving motor 6, all the way may be used
It controls the output of additional device 3 and non-controllable additional device 4 exports all the way, ensure that the reasonable distribution of the energy.
Meanwhile the high-tension battery group 2 of each axle unit 1 can be disconnected in failure with bus；Each Direct wheel drives motor
Can individually it be controlled by the controller, independent isolation when can realize failure and according to different operating conditions, to realize not
Same drive form has considerable flexibility.Each axle unit 1 is both provided with preliminary filling circuit 9, can be to auxiliary system, electricity
Machine etc. plays protection.
Controllable 3 output loop of additional device is furnished with individual contactor, can after major loop connection, by driver to its into
Row individually control, can connect the auxiliaries system such as air-conditioning or warm wind；4 output loop of non-controllable additional device does not need driver's control
System can work after major loop connection, can connect the auxiliaries system such as air compressor machine or power assistance pump for steering.
Meanwhile each current supply circuit is equipped with corresponding insurance, is effectively protected to vehicle device；It is main to power back
It includes main positive contactor 7 and major-minor contactor 8 that two contactors, which are arranged, in road, improves the safety of vehicle.
Above-mentioned technical proposal is a kind of embodiment of the utility model, for those skilled in the art,
On the basis of the utility model discloses application process and principle, it is easy to various types of improvement or deformation are made, without
It is only limitted to method described in the above-mentioned specific implementation mode of the utility model, therefore previously described mode is only preferred, and
Not restrictive meaning.
Claims (5)
1. a kind of multiaxis Direct wheel drives distributed high-pressure system for electric vehicle, it is characterised in that：High-pressure system is with each axis list
Member is a node, and the axle unit includes high-tension battery group, and the high-tension battery group exports four simultaneously by the positive contactor of master
The branch of connection, reconnects main negative contactor, and four parallel branches are respectively：
The high-tension battery group is connect by an insurance and contactor with controllable additional device；
The high-tension battery group is connect by an insurance with non-controllable additional device；
The high-tension battery group is connect by an insurance and contactor with revolver driving motor；
The high-tension battery group is connect by an insurance and contactor with right wheel driving motor；
Several nodes are connected in parallel on high-voltage bus；Node can control its break-make being connect with high-voltage bus by controller.
2. a kind of multiaxis Direct wheel drives distributed high-pressure system for electric vehicle as described in claim 1, it is characterised in that：Institute
A main positive contactor preliminary filling circuit also in parallel is stated, the preliminary filling circuit is made of concatenated preliminary filling resistance and preliminary filling contactor.
3. a kind of multiaxis Direct wheel drives distributed high-pressure system for electric vehicle as claimed in claim 1 or 2, feature exist
In：The driving circuit of main positive contactor, main negative contactor and preliminary filling contactor is all connected with a controller.
4. a kind of multiaxis Direct wheel drives distributed high-pressure system for electric vehicle as claimed in claim 3, it is characterised in that：It is main
Positive contactor and main negative contactor are double-contact contactor, include the high-voltage contact and low-pressure contact of linkage, and high pressure, which is got an electric shock, to be connected
High-tension battery group is connect, low-pressure contact connects controller.
5. a kind of multiaxis Direct wheel drives distributed high-pressure system for electric vehicle as described in claim 1, it is characterised in that：It is left
Wheel drive motor is in parallel with right wheel driving motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721205463.7U CN207772908U (en) | 2017-09-20 | 2017-09-20 | A kind of multiaxis Direct wheel drives distributed high-pressure system for electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721205463.7U CN207772908U (en) | 2017-09-20 | 2017-09-20 | A kind of multiaxis Direct wheel drives distributed high-pressure system for electric vehicle |
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| Publication Number | Publication Date |
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| CN207772908U true CN207772908U (en) | 2018-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721205463.7U Active CN207772908U (en) | 2017-09-20 | 2017-09-20 | A kind of multiaxis Direct wheel drives distributed high-pressure system for electric vehicle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107499141A (en) * | 2017-09-20 | 2017-12-22 | 中国重汽集团济南动力有限公司 | A kind of multiaxis Direct wheel drives distributed high-pressure system used for electric vehicle |
| CN110356254A (en) * | 2019-08-02 | 2019-10-22 | 奇瑞新能源汽车股份有限公司 | A kind of high pressure architecture system, electric car and driving method switching method |
-
2017
- 2017-09-20 CN CN201721205463.7U patent/CN207772908U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107499141A (en) * | 2017-09-20 | 2017-12-22 | 中国重汽集团济南动力有限公司 | A kind of multiaxis Direct wheel drives distributed high-pressure system used for electric vehicle |
| CN110356254A (en) * | 2019-08-02 | 2019-10-22 | 奇瑞新能源汽车股份有限公司 | A kind of high pressure architecture system, electric car and driving method switching method |
| CN110356254B (en) * | 2019-08-02 | 2022-06-07 | 奇瑞新能源汽车股份有限公司 | High-voltage framework system, electric vehicle and driving mode switching method |
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