CN208915000U - Vehicle high-voltage electricity system and vehicle - Google Patents
Vehicle high-voltage electricity system and vehicle Download PDFInfo
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- CN208915000U CN208915000U CN201821610027.2U CN201821610027U CN208915000U CN 208915000 U CN208915000 U CN 208915000U CN 201821610027 U CN201821610027 U CN 201821610027U CN 208915000 U CN208915000 U CN 208915000U
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- contactor
- preliminary filling
- mcu
- electrode bus
- filling module
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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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- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of vehicle high-voltage electricity system and vehicles, which includes: power battery；The positive contactor of battery master being connected between the power battery anode and positive electrode bus；The first preliminary filling module in parallel with the positive contactor of battery master；The negative contactor of battery master being connected between the power battery cathode and negative electrode bus；The microcontroller and MCU contactor being connected between the positive electrode bus and the negative electrode bus, anode and MCU the contactor series connection of the MCU；The second preliminary filling module in parallel with the MCU contactor.The utility model has the advantage that, by preliminary filling module in parallel on the positive contactor of battery master, the power load that larger capacity capacitor can be included to avoid other load circuits in addition to MCU generates heavy current impact battery main contactor when powering on.
Description
Technical field
The utility model relates to technical field of vehicle, in particular to a kind of vehicle high-voltage electricity system and vehicle.
Background technique
At present in the high-voltage power system of vehicle, since fractional load is not added with preliminary filling module, on high-voltage power system
Electric moment to cause battery main contactor on bus moment impact, battery main contactor easy to damage.
Utility model content
The utility model is intended to solve one of the technical problem in above-mentioned technology at least to a certain extent.
For this purpose, first purpose of the utility model is to propose that a kind of vehicle high-voltage electricity system, the vehicle high-voltage are used
The power load that electric system can include larger capacity capacitor to avoid load circuit generates heavy current impact battery master when powering on
Contactor.
Second purpose of the utility model is to propose a kind of vehicle.
In order to achieve the above objectives, the utility model first aspect embodiment proposes a kind of vehicle high-voltage electricity system, packet
It includes: power battery；The positive contactor of battery master being connected between the power battery anode and positive electrode bus bus；With the electricity
First preliminary filling module of the positive contactor parallel connection of pond master；The battery being connected between the power battery cathode and negative electrode bus bus
Main negative contactor；The microcontroller and MCU contactor being connected between the positive electrode bus and the negative electrode bus, it is described
Anode and MCU the contactor series connection of MCU；The second preliminary filling module in parallel with the MCU contactor.
According to the vehicle high-voltage electricity system of the utility model embodiment, pass through preliminary filling in parallel on the positive contactor of battery master
Module, the power load that larger capacity capacitor can be included to avoid other load circuits in addition to MCU generate big electricity when powering on
Stream impact battery main contactor.
In addition, can also be had according to the vehicle high-voltage electricity system that the utility model above-described embodiment proposes following additional
Technical characteristic:
One embodiment according to the present utility model, the first preliminary filling module include: the first preliminary filling resistance；With it is described pre-
Concatenated first electric-controlled switch of charging resistor.
One embodiment according to the present utility model, the microcontroller include front motor microcontroller and rear motor
Microcontroller, the MCU contactor include front motor MCU contactor and rear motor MCU contactor, the second preliminary filling module packet
Include front motor preliminary filling module and rear motor preliminary filling module, wherein the front motor microcontroller and the front motor MCU contactor
Series connection, the front motor preliminary filling module are in parallel with the front motor MCU contactor；Motor controller and the rear electricity after described
The series connection of machine MCU contactor, the rear motor preliminary filling module are in parallel with the rear motor MCU contactor.
One embodiment according to the present utility model, the front motor preliminary filling module include: the second preliminary filling resistance；With it is described
Concatenated second electric-controlled switch of second preliminary filling resistance.
One embodiment according to the present utility model, the rear motor preliminary filling module includes: third preliminary filling resistance；With it is described
The concatenated third electric-controlled switch of third preliminary filling resistance.
One embodiment according to the present utility model, further includes: be connected to the positive electrode bus and the negative electrode bus it
Between DC/DC converter, ECMP compressor of air conditioner and onboard charger, the DC/DC converter, the ECMP compressor of air conditioner
It is parallel with one another with the onboard charger.
One embodiment according to the present utility model, further includes: be connected to the positive electrode bus and the negative electrode bus it
Between water heater and the 4th electric-controlled switch；Wherein, the water heater is connected with the 4th electric-controlled switch.
One embodiment according to the present utility model, further includes: be connected to the positive contactor of the battery master and the battery
Fast charge charging socket, fast charge anode contactor and fast charge cathode contact device between main negative contactor；Wherein, the fast charge charging
Socket is connected by the fast charge anode contactor with the positive electrode bus, and the fast charge charging socket passes through the fast charge cathode
Contactor is connected with the negative electrode bus.
In order to achieve the above objectives, the utility model second aspect embodiment proposes a kind of vehicle, including the utility model
Vehicle high-voltage electricity system described in embodiment first aspect embodiment.
The vehicle of the utility model embodiment, by parallel on the positive contactor of battery master in vehicle high-voltage electricity system
Preliminary filling module, the power load that larger capacity capacitor can be included to avoid the load circuit in addition to MCU generate big electricity when powering on
Stream impact battery main contactor.
Detailed description of the invention
The utility model is above-mentioned and/or additional aspect and advantage from the following description of the accompanying drawings of embodiments will
Become obvious and be readily appreciated that, wherein
Fig. 1 is the block diagram according to the vehicle high-voltage electricity system of the utility model first aspect embodiment.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
The vehicle high-voltage electricity system and vehicle of the utility model embodiment described with reference to the accompanying drawing.
Fig. 1 is the block diagram according to the vehicle high-voltage electricity system of the utility model first embodiment.Such as Fig. 1 institute
Show, the vehicle high-voltage electricity system of the utility model first embodiment, including power battery 1, the positive contactor 2, first of battery master
Preliminary filling module 3, the negative contactor 4 of battery master, MCU contactor 5, microcontroller 6 and the second preliminary filling module.
Wherein, power battery 1 is the power supply of vehicle high-voltage electricity system.The positive contactor 2 of battery master is being connected to power battery 1 just
Between pole and positive electrode bus.The positive contactor 2 of first preliminary filling module, 3 battery master is in parallel.The negative contactor 4 of battery master is connected to power electric
Between 1 cathode of pond and negative electrode bus.MCU contactor 5 and microcontroller 6 are connected between positive electrode bus and negative electrode bus, and
MCU contactor 5 and microcontroller 6 are connected, and the second preliminary filling module is in parallel with MCU contactor 5.
When vehicle high-voltage electricity system powers on, by being successively closed the negative contactor 4 of battery master and the first preliminary filling module 3,
95% or the pressure difference that vehicle high-pressure system should be charged in advance cell voltage by high-voltage battery system are less than 20V and make positive electrode bus and bear
The positive contactor 2 of closure battery master disconnects the first preliminary filling module 3 after pole bus battery side is connected with load-side.Then closure second is pre-
Mold filling block reaches MCU voltage within 95% cell voltage or pressure difference 20V, is closed MCU contactor 5, disconnects the second pre- mold filling
Block.The vehicle high-voltage electricity system of the utility model first embodiment passes through the first preliminary filling in parallel on the positive contactor 2 of battery master
Module 3, the power load that larger capacity capacitor can be included to avoid load circuit generate heavy current impact battery master when powering on
Positive contactor 2.
In one embodiment of the utility model, the first preliminary filling module 3 includes the first electric-controlled switch 301 and the first preliminary filling
Resistance 302.Wherein, the first electric-controlled switch 301 and the series connection of the first preliminary filling resistance 302.In an example of the utility model, the
One electric-controlled switch 301 can be contactor；First preliminary filling resistance 302 carries out preliminary filling according to the load-side capacitance size of required preliminary filling
Resistance selection can choose 500 Ω/50W preliminary filling resistance in this example.
In one embodiment of the utility model, MCU contactor 5 includes front motor MCU contactor 501 and rear motor
MCU contactor 502.Microcontroller 6 includes front motor microcontroller 601 and rear motor controller 602.Second pre- mold filling
Block includes front motor preliminary filling module and rear motor preliminary filling module.
Wherein, front motor MCU contactor 501 and front motor microcontroller 601 are connected, for controlling front motor driving vehicle
Front axle.Front motor preliminary filling module is in parallel with front motor MCU contactor 501.In one embodiment of the utility model, front motor
Preliminary filling module includes the second electric-controlled switch 701 and the second preliminary filling resistance 702.Second electric-controlled switch 701 and the second preliminary filling resistance 702
Series connection.
Motor MCU contactor 502 and rear motor controller 602 are connected afterwards, for motor-driven vehicle front axle after controlling.
Motor preliminary filling module is in parallel with rear motor MCU contactor 502 afterwards.In one embodiment of the utility model, rear motor preliminary filling
Module includes third electric-controlled switch 703 and the second preliminary filling resistance 704.Third electric-controlled switch 703 and the second preliminary filling resistance 704.
In one embodiment of the utility model, vehicle high-voltage electricity system further includes being connected to positive electrode bus and cathode
DC/DC converter 8 on bus, DC/DC converter 8 is for realizing DC voltage conversion.Wherein, DC/DC converter 8 can be
Step-up DC/DC converter, voltage-dropping type DC/DC converter or buck-boost type DC/DC converter.
In one embodiment of the utility model, vehicle high-voltage electricity system further includes being connected to positive electrode bus and cathode
ECMP compressor of air conditioner 9 between bus, to regulate and control vehicle interior temperature.
In one embodiment of the utility model, vehicle high-voltage electricity system further includes being connected to positive electrode bus and cathode
Onboard charger 10 between bus, to realize that AC turns DC on vehicle by Vehicular charger by the alternating-current charging pile of outside
Power battery charges.Vehicular charger can be two-way OBC Vehicular charger, and AC/DC type realizes external charging stake to dynamic
Power battery charges, and DC/AC type realizes that power battery electricity is converted into AC220V voltage to electronic equipments such as hot-water bottle, mobile phones
It charges.
In one embodiment of the utility model, vehicle high-voltage electricity system further includes being connected to positive electrode bus and cathode
The second electric-controlled switch 11 and water heater 12 of bus.Wherein, the second electric-controlled switch 11 and water heater 11 are connected, and pass through second
Electric-controlled switch 11 controls whether water heater 12 heats the indoor water of cell water.
In one embodiment of the utility model, vehicle high-voltage electricity system further includes being connected to positive electrode bus and cathode
Fast charge anode contactor 13, fast charge charging socket 14 and fast charge cathode contact device 15 between bus.Fast charge charging socket 14 is logical
It crosses fast charge anode contactor 13 to be connected with positive electrode bus, fast charge charging socket 14 passes through fast charge cathode contact device 15 and negative electrode bus
It is connected.
When needing to charge using fast charge charging socket, need first be closed according to the main negative contactor 4 of process closure is powered on
Preliminary filling circuit 3, then the main positive contactor 2 of closure, disconnects preliminary filling circuit 3, is then closed fast charge anode contactor 13 and fast charge is negative
Pole contactor 15 is realized and is connected between external dc charging pile and battery, and quick charge is carried out.
In addition, the vehicle is provided with the vehicle high-voltage electricity consumption of above-described embodiment the invention also discloses a kind of vehicle
System.The vehicle of the utility model embodiment, by the vehicle high-voltage electricity system of above-mentioned electric car, by vehicle height
Preliminary filling module in parallel on the positive contactor of battery master in electricity system is pressed, can be included to avoid the load circuit in addition to MCU larger
The power load of capacity generates heavy current impact battery main contactor when powering on.
In the description of the present invention, it should be understood that term " first ", " second " are used for description purposes only, and
It cannot be understood as indicating or implying relative importance or implicitly indicate the quantity of indicated technical characteristic.It defines as a result,
The feature of " first ", " second " can explicitly or implicitly include one or more of the features.In the utility model
In description, the meaning of " plurality " is two or more, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field
Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into
Row combination and combination.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
Claims (9)
1. a kind of vehicle high-voltage electricity system characterized by comprising
Power battery；
The positive contactor of battery master being connected between the power battery anode and positive electrode bus；
The first preliminary filling module in parallel with the positive contactor of battery master；
The negative contactor of battery master being connected between the power battery cathode and negative electrode bus；
The microcontroller and MCU contactor being connected between the positive electrode bus and the negative electrode bus, the MCU is just
Pole and MCU contactor series connection；
The second preliminary filling module in parallel with the MCU contactor.
2. vehicle high-voltage electricity system as described in claim 1, which is characterized in that the first preliminary filling module includes:
First preliminary filling resistance；
With concatenated first electric-controlled switch of the pre-charge resistance.
3. vehicle high-voltage electricity system as described in claim 1, which is characterized in that the microcontroller includes front motor
Microcontroller and rear motor controller, the MCU contactor include front motor MCU contactor and rear motor MCU contactor, institute
Stating the second preliminary filling module includes front motor preliminary filling module and rear motor preliminary filling module, wherein
The front motor microcontroller and front motor MCU contactor series connection, the front motor preliminary filling module and the preceding electricity
Machine MCU contactor is in parallel；
It is described after motor controller and it is described after motor MCU contactor series connection, it is described after motor preliminary filling module and it is described after electricity
Machine MCU contactor is in parallel.
4. vehicle high-voltage electricity system as claimed in claim 3, which is characterized in that the front motor preliminary filling module includes:
Second preliminary filling resistance；
With concatenated second electric-controlled switch of the second preliminary filling resistance.
5. vehicle high-voltage electricity system as claimed in claim 3, which is characterized in that motor preliminary filling module includes: after described
Third preliminary filling resistance；
With the concatenated third electric-controlled switch of the third preliminary filling resistance.
6. vehicle high-voltage electricity system as described in claim 1, which is characterized in that further include:
It is connected to the DC/DC converter between the positive electrode bus and the negative electrode bus, ECMP compressor of air conditioner and vehicle-mounted fills
Electric appliance, the DC/DC converter, the ECMP compressor of air conditioner and the onboard charger are parallel with one another.
7. vehicle high-voltage electricity system as described in claim 1, which is characterized in that further include:
The water heater and the 4th electric-controlled switch being connected between the positive electrode bus and the negative electrode bus；
Wherein, the water heater is connected with the 4th electric-controlled switch.
8. vehicle high-voltage electricity system as described in claim 1, which is characterized in that further include:
It is connected to the fast charge charging socket between the positive contactor of the battery master and the negative contactor of battery master, fast charge anode connects
Tentaculum and fast charge cathode contact device；
Wherein, the fast charge charging socket is connected by the fast charge anode contactor with the positive electrode bus, and the fast charge is filled
Electrical socket is connected by the fast charge cathode contact device with the negative electrode bus.
9. a kind of vehicle, which is characterized in that including the described in any item vehicle high-voltage electricity systems of such as claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821610027.2U CN208915000U (en) | 2018-09-29 | 2018-09-29 | Vehicle high-voltage electricity system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821610027.2U CN208915000U (en) | 2018-09-29 | 2018-09-29 | Vehicle high-voltage electricity system and vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN208915000U true CN208915000U (en) | 2019-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821610027.2U Active CN208915000U (en) | 2018-09-29 | 2018-09-29 | Vehicle high-voltage electricity system and vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110745022A (en) * | 2019-10-25 | 2020-02-04 | 吉林北斗航天汽车研究院有限公司 | A multi-functional controller and new energy automobile for new energy automobile |
-
2018
- 2018-09-29 CN CN201821610027.2U patent/CN208915000U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110745022A (en) * | 2019-10-25 | 2020-02-04 | 吉林北斗航天汽车研究院有限公司 | A multi-functional controller and new energy automobile for new energy automobile |
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