CN106696871A - High-voltage control system and method of electric automobile and electric automobile - Google Patents
High-voltage control system and method of electric automobile and electric automobile Download PDFInfo
- Publication number
- CN106696871A CN106696871A CN201510794387.7A CN201510794387A CN106696871A CN 106696871 A CN106696871 A CN 106696871A CN 201510794387 A CN201510794387 A CN 201510794387A CN 106696871 A CN106696871 A CN 106696871A
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- Prior art keywords
- electric automobile
- control switch
- battery manager
- high voltage
- pressure control
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
Abstract
The invention discloses a high-voltage control system and method of an electric automobile and the electric automobile. The system comprises a power battery pack, a high-voltage control switch, a battery managing device and an outage delaying module. The power battery pack is connected with high-voltage load through the high-voltage control switch. The battery managing device used for managing the power battery pack is connected with the high-voltage control switch so as to control on-off of the high-voltage control switch. The outage delaying module is connected with the battery managing device and is used for receiving a key signa of the automobile; and when the key signal is a disconnection signal, after delaying the pre-set time, the outage delaying module sends a disconnection instruction to the battery managing device so that the battery managing device can control on-off of the high-voltage control switch. According to the high-voltage control system of the electric automobile, driving experience of a user can be ensured, and meanwhile, safety of the electric automobile can be ensured.
Description
Technical field
The present invention relates to electric vehicle engineering field, more particularly to a kind of high voltage system of electric automobile, control method and
Electric automobile.
Background technology
Electric automobile has the advantages that energy-conserving and environment-protective, and with the raising of people's environmental consciousness, electric automobile is also increasingly subject to people
Favor.
At present, electric automobile enters electricity and electricity under high pressure on horizontal high voltage by the operation of key mostly.In user to electric automobile
In actual use, user can usually do the operation for making mistake.In electric automobile just in motion, if user error
Ground have sent lower electric signal by key, it will disconnect power supply of the electrokinetic cell to high-voltage load immediately, this will cause electronic vapour
Car loses driving and the required energy of control, brings bad driving to experience to user, in some instances it may even be possible to jeopardize traffic safety.
The content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.Therefore, one of the invention
Purpose is to propose a kind of high voltage system of electric automobile, the driving experience of user is ensure that, while ensure that electricity
The security of electrical automobile.
Second object of the present invention is to propose a kind of control method of the high voltage system of electric automobile.
Third object of the present invention is to propose a kind of electric automobile.
The high voltage system of the electric automobile of embodiment according to a first aspect of the present invention, including：Electrokinetic cell bag；It is high voltage-controlled
System switch, the electrokinetic cell bag is connected by the dual pressure control switch with high-voltage load；For managing the electrokinetic cell
The battery manager of bag, the battery manager is connected with the dual pressure control switch, to control the dual pressure control switch
Break-make；Postpone power-off modular, the delay power-off modular is connected with the battery manager, the delay power-off modular is used for
The key signal of vehicle is received, and when the key signal is lower electric signal, the backward battery management of delay scheduled time
Device sends lower electricity and indicates, so that the battery manager controls the dual pressure control switch to disconnect.
The high voltage system of electric automobile according to embodiments of the present invention, by access delay power-off modular, in key signal
During for lower electric signal, lower electricity instruction can be sent to battery manager after delay scheduled time, so that battery manager control high pressure
Controlling switch disconnects, i.e., in electric signal under being sent by key, can control electric automobile high after the regular hour is postponed
Pressure electricity, thus, can provide the user the time for recovering correct operation in electric signal under user sends because of operational error,
So as to ensure normally travel and the control of electric automobile, it is ensured that the driving experience of user, and ensure that electric automobile
Security.Meanwhile, the system is realized simple and convenient, and cost is relatively low.
In addition, the high voltage system of electric automobile according to the above embodiment of the present invention can also have following additional technology
Feature：
According to one embodiment of present invention, the delay power-off modular has the first contact, the second contact and control end, institute
State the first contact to be connected with the battery manager, the normal electricity that second contact picks up, the control end is used to receive institute
Key signal is stated, and when the key signal is lower electric signal, first contact and second is controlled after delay scheduled time
Contact disconnects, so that the battery manager controls the dual pressure control switch to disconnect.
According to one embodiment of present invention, the delay power-off modular is the time relay.
Further, the time relay is the normally opened time relay.
According to one embodiment of present invention, the system also includes：Entire car controller, the entire car controller respectively with institute
State dual pressure control switch to be connected with the delay power-off modular, to receive the lower electricity instruction that the delay cut-off module sends
And the battery manager is when breaking down, the dual pressure control switch is controlled to disconnect.
According to one embodiment of present invention, the dual pressure control switch includes：It is connected just with the electrokinetic cell bag positive pole
Pole contactor；The preliminary filling module in parallel with the positive contact device, the preliminary filling module includes the preliminary filling contactor of series connection and pre-
Charge and hinder；The cathode contact device being connected with the electrokinetic cell bag negative pole.
According to one embodiment of present invention, the scheduled time is [2 seconds, 4 seconds].
The control method of the high voltage system of the electric automobile of embodiment, comprises the following steps according to a second aspect of the present invention：
Receive the key signal of vehicle；If the key signal is lower electric signal, the battery manager after delay scheduled time
The dual pressure control switch is controlled to disconnect.
The control method of the high voltage system of electric automobile according to embodiments of the present invention, when key signal is lower electric signal,
Battery manager control dual pressure control switch can disconnect after delay scheduled time, i.e., in electric signal under being sent by key, energy
Enough electricity in the case where electric automobile high-voltage is controlled after postponing the regular hour, thus, can in the case where user sends because of operational error telecommunications
Number when, provide the user the time for recovering correct operation such that it is able to ensure normally travel and the control of electric automobile, it is ensured that
The driving experience of user, and ensure that the security of electric automobile.Meanwhile, the method realize it is simple and convenient, cost compared with
It is low.
In addition, the control method of the high voltage system of electric automobile according to the above embodiment of the present invention can also have it is as follows
Additional technical characteristic：
According to one embodiment of present invention, methods described also includes：After the key signal for receiving is lower electric signal, such as
The key signal that fruit receives key signal and receives again again within the scheduled time is power on signal, then the electricity
Pool manager keeps the connection of the dual pressure control switch.
According to one embodiment of present invention, methods described also includes：If receiving the lower electric signal and the cell tube
When reason device breaks down, the entire car controller controls the dual pressure control switch to disconnect after the scheduled time is postponed.
The electric automobile of embodiment, including the electric automobile of embodiment according to a first aspect of the present invention according to a third aspect of the present invention
High voltage system.
Electric automobile according to embodiments of the present invention, by using power-off modular is postponed, when key signal is lower electric signal,
Lower electricity instruction can be sent to battery manager after delay scheduled time, so that battery manager control dual pressure control switch disconnects,
I.e. in electric signal under being sent by key, can be electric in the case where electric automobile high-voltage is controlled after postponing the regular hour, thus,
The time for recovering correct operation can be provided the user in electric signal under user sends because of operational error such that it is able to ensure
The normally travel of electric automobile and control, it is ensured that the driving experience of user, and ensure that the security of electric automobile.
Brief description of the drawings
Fig. 1 is the structured flowchart of the high voltage system of the electric automobile according to one embodiment of the invention；
Fig. 2 is according to a structural representation for the high voltage system of the electric automobile of specific embodiment of the invention；
Fig. 3 is the structural representation of the high voltage system of the electric automobile according to another specific embodiment of the invention；
Fig. 4 is the flow chart of the control method of the high voltage system of the electric automobile according to one embodiment of the invention.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein identical from start to finish
Or similar label represents same or similar element or the element with same or like function.Retouched below with reference to accompanying drawing
The embodiment stated is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
High voltage system, control method and the electric automobile of the electric automobile of the embodiment of the present invention are described below in conjunction with the accompanying drawings.
Fig. 1 is the structured flowchart of the high voltage system of the electric automobile according to one embodiment of the invention.
As shown in figure 1, the high voltage system of the electric automobile of the embodiment of the present invention, including：Electrokinetic cell bag 10, high pressure
Controlling switch 20, the battery manager 30 for dynamics of management battery bag 10 and delay power-off modular 40.
Wherein, electrokinetic cell bag 10 is connected by dual pressure control switch 20 with high-voltage load, and battery manager 30 is voltage-controlled with height
System switch 20 is connected, to control the break-make of dual pressure control switch 20, so as to control electric on high-voltage load or lower electricity.Postpone disconnected
Electric module 40 is connected with battery manager 30, and postponing power-off modular 40 is used to receive the key signal of vehicle, and in key letter
During number for lower electric signal, send lower electricity to battery manager 30 after delay scheduled time and indicate, so that battery manager 30 is controlled
Dual pressure control switch processed 20 disconnects.
Fig. 2 is according to a structural representation for the high voltage system of the electric automobile of specific embodiment of the invention.In this hair
In bright one embodiment, as shown in Fig. 2 dual pressure control switch 20 may include to be connected just with the positive pole of electrokinetic cell bag 10
The cathode contact that pole contactor ZJ1 is connected with the preliminary filling module of the parallel connection of positive contact device 21 and with the negative pole of electrokinetic cell bag 10
Device ZJ2.Wherein, preliminary filling module may include the preliminary filling contactor ZJ3 and preliminary filling resistance R of series connection.Wherein, in preliminary filling contactor
During the closing of contact of ZJ3, line precharge can be entered to high-voltage load, in positive contact device ZJ1 and the master of cathode contact device ZJ2
When contact closes, electricity on high-voltage load.The auxiliary contact of positive contact device ZJ1 and cathode contact device ZJ2 can be used in by
The closure of main contacts or the feedback of the information of disconnection are to battery manager 30.It should be appreciated that passing through positive contact device ZJ1 and negative pole
Two contactors of contactor ZJ2 control the conducting and disconnection of circuit, ensure that the reliability of control.In addition, such as Fig. 2
It is shown, between dual pressure control switch 20 and high-voltage load, overload protection can be provided by high-voltage load fuse RX.
In one embodiment of the invention, as shown in Fig. 2 postponing power-off modular 40 can have the first contact 41, second
Contact 42 and control end 43, the first contact 41 are connected with battery manager 30, the normal electricity that the second contact 42 picks up, control
End processed 43 is used to receive key signal, and when key signal is lower electric signal, the first contact is controlled after delay scheduled time
41 and second contact 42 disconnect, so as to battery manager 30 control dual pressure control switch 20 disconnect.At one of the invention
In embodiment, the scheduled time can be [2 seconds, 4 seconds].
To realize above-mentioned functions, in one embodiment of the invention, it can be the time relay to postpone power-off modular 40, specifically
It can be the normally opened time relay.Thus, postponing power-off modular 40 can close when power on signal is received, with to battery management
Device 30 sends power on signal, so that the control dual pressure control switch 20 of battery manager 30 is closed.Meanwhile, postpone power-off modular
40 can disconnect, so as to can still be kept in electric signal under transmission when key signal is lower electric signal after delay scheduled time
Dual pressure control switch 20 is connected, and after delay scheduled time, the control dual pressure control switch 30 of battery manager 30 disconnects.
The high voltage system of electric automobile according to embodiments of the present invention, by access delay power-off modular, in key signal
During for lower electric signal, lower electricity instruction can be sent to battery manager after delay scheduled time, so that battery manager control high pressure
Controlling switch disconnects, i.e., in electric signal under being sent by key, can control electric automobile high after the regular hour is postponed
Pressure electricity, thus, can provide the user the time for recovering correct operation in electric signal under user sends because of operational error,
So as to ensure normally travel and the control of electric automobile, it is ensured that the driving experience of user, and ensure that electric automobile
Security.Meanwhile, the system is realized simple and convenient, and cost is relatively low.
Additionally, in one embodiment of the invention, except dual pressure control switch 20 can be controlled by battery manager 30
Break-make outside, can also be by the break-make of vehicle control unit controls dual pressure control switch 20.Therefore, as shown in figure 3, of the invention
The high voltage system of the electric automobile of embodiment may also include：Entire car controller 50.
Entire car controller 50 is connected with dual pressure control switch 20 and delay power-off modular 40 respectively, to receive delay cut-off
When the lower electricity that module 40 sends is indicated and battery manager 30 breaks down, control dual pressure control switch 20 disconnects.Thus,
Ensure that the reliability to electric automobile high-voltage control.
Correspondence above-described embodiment, the present invention also proposes a kind of control method of the high voltage system of electric automobile.
Fig. 4 is the flow chart of the control method of the high voltage system of the electric automobile according to one embodiment of the invention.
As shown in figure 4, the control method of the high voltage system of the electric automobile of the embodiment of the present invention, comprises the following steps：
S401, receives the key signal of vehicle.
Reference picture 1, can receive the key signal of vehicle by postponing power-off modular.
S402, if key signal is lower electric signal, battery manager control dual pressure control switch breaks after delay scheduled time
Open.
Reference picture 1, in one embodiment of the invention, it can be the normally opened time relay to postpone power-off modular, so that can be
Closed when receiving power on signal, power on signal is sent with to battery manager, so that battery manager control high voltage control is opened
Close and close, to control electricity on electric automobile high-voltage.Meanwhile, postponing power-off modular can prolong when key signal is lower electric signal
Disconnected after the slow scheduled time, so as to can still keep dual pressure control switch to connect in electric signal under transmission, postponing pre- timing
Between after, battery manager control dual pressure control switch disconnects, to control electricity under electric automobile high-voltage.In a reality of the invention
Apply in example, the scheduled time can be [2 seconds, 4 seconds].
In one embodiment of the invention, after the key signal for receiving is lower electric signal, if in the given time again
The secondary key signal for receiving key signal and receiving again is power on signal, then battery manager keeps dual pressure control switch
Connection.
The control method of the high voltage system of electric automobile according to embodiments of the present invention, when key signal is lower electric signal,
Battery manager control dual pressure control switch can disconnect after delay scheduled time, i.e., in electric signal under being sent by key, energy
Enough electricity in the case where electric automobile high-voltage is controlled after postponing the regular hour, thus, can in the case where user sends because of operational error telecommunications
Number when, provide the user the time for recovering correct operation such that it is able to ensure normally travel and the control of electric automobile, it is ensured that
The driving experience of user, and ensure that the security of electric automobile.Meanwhile, the method realize it is simple and convenient, cost compared with
It is low.
Additionally, in one embodiment of the invention, the break-make except dual pressure control switch can be controlled by battery manager
Outward, can also be by the break-make of vehicle control unit controls dual pressure control switch.Therefore, the height of the electric automobile of the embodiment of the present invention
The control method of pressure control system may also include：When if receiving lower electric signal, battery manager breaks down, vehicle control
Device processed controls dual pressure control switch to disconnect after delay scheduled time.Thereby, it is possible to ensure to electric automobile high-voltage control can
By property.
Correspondence above-described embodiment, the present invention also proposes a kind of electric automobile.The electric automobile of the embodiment of the present invention, including this hair
The high voltage system of the electric automobile of bright above-described embodiment, its specific embodiment can refer to above-described embodiment, herein not
Repeat again.
Electric automobile according to embodiments of the present invention, by using power-off modular is postponed, when key signal is lower electric signal,
Lower electricity instruction can be sent to battery manager after delay scheduled time, so that battery manager control dual pressure control switch disconnects,
I.e. in electric signal under being sent by key, can be electric in the case where electric automobile high-voltage is controlled after postponing the regular hour, thus,
The time for recovering correct operation can be provided the user in electric signal under user sends because of operational error such that it is able to ensure
The normally travel of electric automobile and control, it is ensured that the driving experience of user, and ensure that the security of electric automobile.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward ",
The orientation or position relationship of the instruction such as " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " are based on shown in the drawings
Orientation or position relationship, are for only for ease of the description present invention and simplify and describe, rather than indicate or imply signified device or
Element with specific orientation, with specific azimuth configuration and operation, therefore must be not considered as limiting the invention.
Additionally, term " first ", " second " be only used for describe purpose, and it is not intended that indicate or imply relative importance or
Person implies the quantity of the technical characteristic for indicating indicated.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In the description of the invention, " multiple " is meant that two or more,
Unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the art such as term " installation ", " connected ", " connection ", " fixation "
Language should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integrally；Can be machinery
Connection, or electrical connection；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two units
Connection or two interaction relationships of element inside part.For the ordinary skill in the art, can be according to tool
Body situation understands above-mentioned term concrete meaning in the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be
First and second feature directly contacts, or the first and second features pass through intermediary mediate contact.And, first is special
Levy second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only
Only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below "
Can be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than second
Feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specific example ",
Or the description of " some examples " etc. means to combine specific features, structure, material or feature bag that the embodiment or example are described
It is contained at least one embodiment of the invention or example.In this manual, to the schematic representation of above-mentioned term necessarily
It is directed to identical embodiment or example.And, the specific features of description, structure, material or feature can be any
Combined in an appropriate manner in individual or multiple embodiments or example.Additionally, in the case of not conflicting, the skill of this area
Can be combined for the feature of the different embodiments or example described in this specification and different embodiments or example by art personnel
And combination.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment be it is exemplary,
It is not considered as limiting the invention, one of ordinary skill in the art within the scope of the invention can be to above-described embodiment
It is changed, changes, replacing and modification.
Claims (10)
1. a kind of high voltage system of electric automobile, it is characterised in that including：
Electrokinetic cell bag；
Dual pressure control switch, the electrokinetic cell bag is connected by the dual pressure control switch with high-voltage load；
Battery manager for managing the electrokinetic cell bag, the battery manager is connected with the dual pressure control switch,
To control the break-make of the dual pressure control switch；
Postpone power-off modular, the delay power-off modular is connected with the battery manager, the delay power-off modular is used to connect
The key signal for returning the vehicle to the garage and knock off, and when the key signal is lower electric signal, the backward battery manager of delay scheduled time
Send lower electricity to indicate, so that the battery manager controls the dual pressure control switch to disconnect.
2. the high voltage system of electric automobile according to claim 1, it is characterised in that the delay power-off modular
With the first contact, the second contact and control end, first contact is connected with the battery manager, second contact
The normal electricity for picking up, the control end is used to receive the key signal, and when the key signal is lower electric signal, prolongs
First contact and the second contact is controlled to disconnect after the slow scheduled time, so that the battery manager controls the high voltage control
Switch off.
3. the high voltage system of electric automobile according to claim 1 and 2, it is characterised in that the delay power-off
Module is the time relay.
4. the high voltage system of electric automobile according to claim 3, it is characterised in that the time relay is
The normally opened time relay.
5. the high voltage system of electric automobile according to claim 1, it is characterised in that also include：
Entire car controller, the entire car controller is connected with the dual pressure control switch and the delay power-off modular respectively, with
When the lower electricity for receiving the delay cut-off module transmission is indicated and the battery manager breaks down, the high pressure is controlled
Controlling switch disconnects.
6. the high voltage system of electric automobile according to claim 1, it is characterised in that the dual pressure control switch
Including：
The positive contact device being connected with the electrokinetic cell bag positive pole；
The preliminary filling module in parallel with the positive contact device, the preliminary filling module includes the preliminary filling contactor and preliminary filling resistance of series connection；
The cathode contact device being connected with the electrokinetic cell bag negative pole.
7. the control method of the high voltage system of a kind of electric automobile according to claim 1-6, it is characterised in that
Comprise the following steps：
Receive the key signal of vehicle；
If the key signal is lower electric signal, the battery manager controls the high voltage control after delay scheduled time
Switch off.
8. control method according to claim 7, it is characterised in that also include：
After the key signal for receiving is lower electric signal, if receiving key signal and again again within the scheduled time
The secondary key signal for receiving is power on signal, then the battery manager keeps the connection of the dual pressure control switch.
9. control method according to claim 7, it is characterised in that also include：
When if receiving the lower electric signal, the battery manager breaks down, the entire car controller is described in delay
The dual pressure control switch is controlled to disconnect after the scheduled time.
10. a kind of electric automobile, it is characterised in that including：Electric automobile according to claim any one of 1-6
High voltage system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510794387.7A CN106696871B (en) | 2015-11-18 | 2015-11-18 | High voltage system, control method and the electric car of electric car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510794387.7A CN106696871B (en) | 2015-11-18 | 2015-11-18 | High voltage system, control method and the electric car of electric car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106696871A true CN106696871A (en) | 2017-05-24 |
| CN106696871B CN106696871B (en) | 2019-11-22 |
Family
ID=58932335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510794387.7A Expired - Fee Related CN106696871B (en) | 2015-11-18 | 2015-11-18 | High voltage system, control method and the electric car of electric car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106696871B (en) |
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| CN110466355A (en) * | 2019-08-29 | 2019-11-19 | 广州小鹏汽车科技有限公司 | Electric control method and electric car under electric car intelligent high-pressure is delayed |
| CN113859155A (en) * | 2021-09-23 | 2021-12-31 | 中国第一汽车股份有限公司 | Power-off method and device for vehicle controller, electronic equipment and storage medium |
| CN115224685A (en) * | 2022-01-21 | 2022-10-21 | 广州汽车集团股份有限公司 | Power distribution management method, device, vehicle and storage medium |
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| CN115224685B (en) * | 2022-01-21 | 2024-03-12 | 广州汽车集团股份有限公司 | Power distribution management method, device, vehicle and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106696871B (en) | 2019-11-22 |
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