CN107599845A - The protection system of startup power supply and guard method - Google Patents
The protection system of startup power supply and guard method Download PDFInfo
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- CN107599845A CN107599845A CN201710847137.4A CN201710847137A CN107599845A CN 107599845 A CN107599845 A CN 107599845A CN 201710847137 A CN201710847137 A CN 201710847137A CN 107599845 A CN107599845 A CN 107599845A
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- power supply
- startup power
- electrokinetic cell
- voltage
- startup
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000005611 electricity Effects 0.000 description 9
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000000284 resting effect Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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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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- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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Abstract
The present invention provides a kind of guard method of startup power supply; applied in the protection system of startup power supply; the protection system of startup power supply includes electric automobile, and electric automobile includes startup power supply, electrokinetic cell, the switch module being connected between startup power supply and electrokinetic cell and the battery management system being connected respectively with startup power supply, electrokinetic cell and switch module；The guard method of startup power supply comprises the following steps：Battery management system is waken up at interval of the scheduled time；The voltage of startup power supply and electrokinetic cell is gathered respectively；Judge whether the voltage of startup power supply is less than first threshold；If the voltage of startup power supply is less than first threshold, controlling switch module, which closes, make it that electrokinetic cell is that startup power supply is charged.The protection system of startup power supply provided by the invention and guard method avoid the phenomenon generation for being crossed by startup power supply and putting and lead to not and starting automobile.The present invention also provides a kind of protection system of startup power supply.
Description
【Technical field】
The present invention relates to electric vehicle engineering field, more particularly to a kind of protection system of startup power supply and guard method.
【Background technology】
At present, the electric power detection of startup power supply could be carried out only after automobile starting, can not be in the not actuated feelings of automobile
The terminal voltage of startup power supply is detected under condition.Existing startup power supply is usually battery, if automobile is placed for a long time, due to electricity
The self-discharge characteristics of pond in itself can cause battery power consumption totally, and then the phenomenon for leading to not start automobile occurs.In addition,
If the electric quantity consumption of battery totally can also influence the service life of battery, or even cause the permanent damage of battery.
In consideration of it, real be necessary that the protection system and the guard method that provide a kind of new startup power supply are above-mentioned scarce to overcome
Fall into.
【The content of the invention】
It is an object of the invention to provide a kind of protection system of startup power supply and guard method, the protection of the startup power supply
System and guard method can effectively prevent startup power supply from crossing to put, and then avoid to be crossed by startup power supply and put and lead to not start
The phenomenon of automobile occurs, while also improves the service life of startup power supply.
To achieve these goals, the present invention provides a kind of protection system of startup power supply, including electric automobile, the electricity
Electrical automobile, including for starting the startup power supply of the electric automobile, for providing power for the traveling of the electric automobile
Electrokinetic cell, the switch module being connected between the startup power supply and the electrokinetic cell and respectively with it is described start electricity
The connected battery management system of source, the electrokinetic cell and the switch module；The battery management system include timer with
And sample circuit；When the electric automobile is not actuated, the timer is used to wake up the cell tube at interval of the scheduled time
Reason system；After the battery management system is waken up in running order, the sample circuit is used to gather the startup electricity
The voltage in source, and when the voltage of the startup power supply is less than first threshold, control the switch module to close, and then cause institute
Electrokinetic cell is stated to be charged for the startup power supply.
The present invention also provides a kind of guard method of startup power supply, described to open applied in the protection system of startup power supply
The protection system of dynamic power supply includes electric automobile, and the electric automobile includes startup power supply, electrokinetic cell, is connected to the startup
Switch module between power supply and the electrokinetic cell and respectively with the startup power supply, the electrokinetic cell and the switch
The connected battery management system of module；The guard method of the startup power supply comprises the following steps：
The battery management system is waken up at interval of the scheduled time；
The voltage of the startup power supply and the electrokinetic cell is gathered respectively；
Judge whether the voltage of the startup power supply is less than first threshold；
If the voltage of the startup power supply is less than the first threshold, controls the switch module to close and cause the power
Battery is that the startup power supply is charged.
The protection system of startup power supply provided by the present invention and guard method, when the electric automobile is placed for a long time
When, the battery management system is capable of the voltage of the detection startup power supply of discontinuity, and when the voltage of the startup power supply
During less than first threshold, the switch module closure is controlled to think the startup power supply charging, and then effectively prevent startup power supply
Mistake put, reached to startup power supply protection purpose, it also avoid being crossed by startup power supply and put and lead to not start electronic vapour
The phenomenon of car occurs, while also improves the service life of startup power supply.
【Brief description of the drawings】
Fig. 1 is the functional block diagram of the protection system of the startup power supply provided in the embodiment of the present invention.
Fig. 2 is the flow chart of the guard method of the startup power supply provided in the embodiment of the present invention.
【Embodiment】
In order that the purpose of the present invention, technical scheme and advantageous effects become apparent from understanding, below in conjunction with accompanying drawing and
Embodiment, the present invention will be described in further detail.It should be appreciated that the specific implementation described in this specification
Mode is not intended to limit the present invention just for the sake of explaining the present invention.
Referring to Fig. 1, its functional block diagram for the protection system 100 of startup power supply provided by the invention.The startup
The protection system 100 of power supply includes electric automobile 10.The electric automobile 10 includes being used for the startup electricity for starting electric automobile 10
Source 11, for for the traveling of electric automobile 10 provide the electrokinetic cell 12 of power, be connected to the startup power supply 11 with it is described dynamic
Switch module 13 between power battery 12 and respectively with the startup power supply 11, the electrokinetic cell 12 and the switch module
13 connected battery management systems 14.
Further, the battery management system 14 includes timer 141 and sample circuit 142.When the electronic vapour
When car 10 is not actuated, i.e. when placing for a long time, the timer 141 is used to wake up the battery management system at interval of the scheduled time
System 14, that is, the battery management system 14 is intermittent in running order.It is appreciated that when electric automobile 10 is in not
During starting state, the battery management system 14 is in a dormant state.Specifically, the timer 141 is RTC (Real-Time
Clock, real-time clock) timer.The meaning of " wake-up " appeared in this paper is the transformation from resting state to working condition.
After the battery management system 14 is waken up in running order, the sample circuit 142 is described for gathering
The voltage of startup power supply 11, and when the voltage of the startup power supply 11 is less than first threshold, control the switch module 13 to close
Close, and then make it that the electrokinetic cell 12 is that the startup power supply 11 is charged.In the present embodiment, the switch module
13 be DC/DC relays.It is appreciated that when the voltage of startup power supply 11 is less than first threshold, the electricity of the startup power supply 11
Measure too low.
The protection system 100 of the startup power supply of offer of the present invention, when the electric automobile 10 is placed for a long time, institute
The voltage that battery management system 14 is capable of the detection startup power supply 11 of discontinuity is stated, and when the voltage of the startup power supply 11
During less than first threshold, the closure of switch module 13 is controlled to think that the startup power supply 11 charges, and then effectively prevent from starting
The mistake of power supply 11 is put, and has been reached the purpose protected to startup power supply 11, it also avoid being put by the mistake of startup power supply 11 and causing nothing
The phenomenon that method starts electric automobile 10 occurs, while also improves the service life of startup power supply 11.
Further, after the electrokinetic cell 12 is that the startup power supply 11 charges, the Acquisition Circuit 142 is additionally operable to
Gather the voltage of startup power supply 11, when the voltage of the startup power supply 11 is more than Second Threshold, the battery management system 14
The switch module 13 is controlled to disconnect to stop charging for startup power supply 11, to prevent from overcharging the startup power supply 11, and then
Reach the protection purpose further to startup power supply 11.It is appreciated that when the voltage of the startup power supply 11 is more than Second Threshold
When, the startup power supply 11 full electricity, therefore, it is necessary to stop continuing to charge to the startup power supply 11, to prevent because to institute
Startup power supply 11 is stated to overcharge and bring damage.After to 11 charging complete of startup power supply, the battery management system 14 is again
Resting state can be entered.
Further, the electric automobile 10 also include GPRS (General Packet Radio Service, general point
Group wireless service technology) module 15, after the battery management system 14 is waken up, the sample circuit 142 is additionally operable to gather
The voltage of the electrokinetic cell 12, and when the voltage of the electrokinetic cell 12 is less than three threshold values, wake up the GPRS module
15.The protection system 100 of the startup power supply also includes monitor supervision platform 20, after the GPRS module 15 is waken up, the electricity
Pond management system 14 sends the voltage of the electrokinetic cell 12 to the monitor supervision platform 20 by the GPRS module 15, described
Monitor supervision platform 20 notifies related personnel to investigate the electrokinetic cell 12, and then can avoid because of the mistake of electrokinetic cell 12
Leakage and being possible under hot weather can produce the situation of spontaneous combustion and occur caused by putting.In the present embodiment, it is described
Battery management system 14 passes through CAN (Controller Area Network, controller local area network) buses and the GPRS moulds
Block 15 is communicated.It is appreciated that it is wireless telecommunications between the GPRS module 15 and the monitor supervision platform 20.In addition, when dynamic
When the voltage of power battery 12 is less than three threshold values, now, even if the voltage of startup power supply 11 is less than first threshold, the cell tube
Reason system 14 also will not controlling switch module 13 close to prevent contingency.
Further, the monitor supervision platform 20 is remote platform, that is, backstage.It is appreciated that the monitor supervision platform 20 is same
When communicated with some electric automobiles 10, when electric automobile 10 is in transport condition, the battery management system 14 is by institute
The real time status information for stating electrokinetic cell 12 is sent to the monitor supervision platform 20 by the GPRS module 15.
As shown in Fig. 2 it is the flow chart of the guard method of startup power supply in the embodiment of the present invention.It should be noted that
The method of the present invention is not limited to the order of following step, and in other embodiment, method of the invention can only include with
Under the step a portion, or part steps therein can be deleted.
Step S01, the timer 141 are used to wake up the battery management system 14 at interval of the scheduled time.
Step S02, the sample circuit 142 are used to gather the startup power supply 11 and the electricity of the electrokinetic cell 12 respectively
Pressure.
Step S03, the sample circuit 142 are additionally operable to judge whether the voltage of the startup power supply 11 is less than the first threshold
Value；If the voltage of the startup power supply 11 is less than first threshold, into step S04；If the voltage of the startup power supply 11 is not
Less than first threshold, then into step S01.
Step S04, the battery management system 14 are used for controlling switch module 13 and closed so that the electrokinetic cell 12 is
The startup power supply 11 is charged.
Step S05, the sample circuit 142 are additionally operable to judge whether the voltage of the startup power supply 11 is more than the second threshold
Value；If the voltage of the startup power supply 11 is more than Second Threshold, into step S06；If the voltage of the startup power supply 11 is not
More than Second Threshold, then continue to judge.
Step S06, the battery management system 14 are additionally operable to controlling switch module 13 and disconnected so that the electrokinetic cell 12
Stop charging for the startup power supply 11.
Step S07, the sample circuit 142 are additionally operable to judge whether the voltage of the electrokinetic cell 12 is less than the 3rd threshold
Value；If the voltage of the electrokinetic cell 12 is less than the 3rd threshold value, into step S08；If the voltage of the electrokinetic cell 12 is not
Less than the 3rd threshold value, then continue to judge.
Step S08, the battery management system 14 are additionally operable to send the voltage of the electrokinetic cell 12 to monitor supervision platform
20 to notify related personnel to investigate the electrokinetic cell 12.
The present invention is not restricted to described in specification and embodiment, therefore for the personnel of familiar field
Additional advantage and modification is easily achieved, therefore in the essence of the universal limited without departing substantially from claim and equivalency range
In the case of refreshing and scope, the present invention is not limited to specific details, representational equipment and shown here as the diagram with description
Example.
Claims (8)
1. a kind of protection system of startup power supply, including electric automobile, the electric automobile, including for starting the electronic vapour
The startup power supply of car, for for the traveling of the electric automobile provide the electrokinetic cell of power, be connected to the startup power supply with
Switch module between the electrokinetic cell and respectively with the startup power supply, the electrokinetic cell and the switch module phase
Battery management system even；It is characterized in that：The battery management system includes timer and sample circuit；When described electronic
When automobile is not actuated, the timer is used to wake up the battery management system at interval of the scheduled time；When the battery management
System be waken up it is in running order after, the sample circuit is used to gather the voltage of the startup power supply, and works as the startup
When the voltage of power supply is less than first threshold, control the switch module to close, and then make it that the electrokinetic cell is the startup
Power supply is charged.
2. the protection system of startup power supply as claimed in claim 1, it is characterised in that：When the electrokinetic cell is the startup
After power source charges, the Acquisition Circuit is additionally operable to gather the voltage of the startup power supply, and when the voltage of the startup power supply is big
When Second Threshold, the switch module is controlled to disconnect to stop charging for the startup power supply.
3. the protection system of startup power supply as claimed in claim 1, it is characterised in that：The electric automobile also includes GPRS moulds
Block, after the battery management system is waken up, the sample circuit is additionally operable to gather the voltage of the electrokinetic cell, and works as institute
State when the voltage of electrokinetic cell is less than three threshold values and wake up the GPRS module；The protection system of the startup power supply also includes prison
Platform is controlled, after the GPRS module is waken up, the battery management system passes through the voltage of the electrokinetic cell described
GPRS module is sent to the monitor supervision platform to notify related personnel to investigate the electrokinetic cell.
4. the protection system of startup power supply as claimed in claim 1, it is characterised in that：The switch module is DC/DC relays
Device.
5. the protection system of startup power supply as claimed in claim 3, it is characterised in that：The battery management system passes through CAN
Bus is communicated with the GPRS module.
6. a kind of guard method of startup power supply, applied in the protection system of startup power supply, the protection system of the startup power supply
System includes electric automobile, and the electric automobile includes startup power supply, electrokinetic cell, is connected to the startup power supply and the power
Switch module between battery and the battery being connected respectively with the startup power supply, the electrokinetic cell and the switch module
Management system；It is characterized in that：The guard method of the startup power supply comprises the following steps：
The battery management system is waken up at interval of the scheduled time；
The voltage of the startup power supply and the electrokinetic cell is gathered respectively；
Judge whether the voltage of the startup power supply is less than first threshold；
If the voltage of the startup power supply is less than the first threshold, controls the switch module to close and cause the electrokinetic cell
Charged for the startup power supply.
7. the guard method of startup power supply as claimed in claim 6, it is characterised in that：The guard method of the startup power supply is also
Comprise the following steps：
Judge whether the voltage of the startup power supply is more than Second Threshold；
If the voltage of the startup power supply is more than the Second Threshold, controls the switch module to disconnect and cause the electrokinetic cell
Stop charging for the startup power supply.
8. the guard method of startup power supply as claimed in claim 6, it is characterised in that：The guard method of the startup power supply is also
Comprise the following steps：
Judge whether the voltage of the electrokinetic cell is less than the 3rd threshold value；
If the voltage of the electrokinetic cell is less than the 3rd threshold value, the voltage of the electrokinetic cell is sent to monitor supervision platform to notify
Related personnel investigates to the electrokinetic cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710847137.4A CN107599845A (en) | 2017-09-19 | 2017-09-19 | The protection system of startup power supply and guard method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710847137.4A CN107599845A (en) | 2017-09-19 | 2017-09-19 | The protection system of startup power supply and guard method |
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| Publication Number | Publication Date |
|---|---|
| CN107599845A true CN107599845A (en) | 2018-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710847137.4A Pending CN107599845A (en) | 2017-09-19 | 2017-09-19 | The protection system of startup power supply and guard method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109586368A (en) * | 2018-12-07 | 2019-04-05 | 珠海格力电器股份有限公司 | Energy storage system starting device, starting method and energy storage system |
| CN109795370A (en) * | 2019-02-22 | 2019-05-24 | 深圳电擎科技有限公司 | A kind of double source output power battery pack of new-energy automobile |
| CN111332154A (en) * | 2020-03-06 | 2020-06-26 | 江西江铃集团新能源汽车有限公司 | Automatic electric vehicle power supply control method and system |
| CN112564228A (en) * | 2020-12-11 | 2021-03-26 | 清远道动新材料科技有限公司 | UPS power supply |
| WO2021233219A1 (en) * | 2020-05-22 | 2021-11-25 | 比亚迪股份有限公司 | Automatic wake-up and diagnosis method for battery management system, battery management system, and vehicle |
-
2017
- 2017-09-19 CN CN201710847137.4A patent/CN107599845A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109586368A (en) * | 2018-12-07 | 2019-04-05 | 珠海格力电器股份有限公司 | Energy storage system starting device, starting method and energy storage system |
| CN109795370A (en) * | 2019-02-22 | 2019-05-24 | 深圳电擎科技有限公司 | A kind of double source output power battery pack of new-energy automobile |
| CN111332154A (en) * | 2020-03-06 | 2020-06-26 | 江西江铃集团新能源汽车有限公司 | Automatic electric vehicle power supply control method and system |
| WO2021233219A1 (en) * | 2020-05-22 | 2021-11-25 | 比亚迪股份有限公司 | Automatic wake-up and diagnosis method for battery management system, battery management system, and vehicle |
| CN112564228A (en) * | 2020-12-11 | 2021-03-26 | 清远道动新材料科技有限公司 | UPS power supply |
| CN112564228B (en) * | 2020-12-11 | 2024-02-13 | 清远道童新能源有限公司 | UPS power supply |
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Application publication date: 20180119 |