CN107323269A - A kind of low battery detection protection system and method for automobile storage battery - Google Patents
A kind of low battery detection protection system and method for automobile storage battery Download PDFInfo
- Publication number
- CN107323269A CN107323269A CN201710061056.1A CN201710061056A CN107323269A CN 107323269 A CN107323269 A CN 107323269A CN 201710061056 A CN201710061056 A CN 201710061056A CN 107323269 A CN107323269 A CN 107323269A
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- CN
- China
- Prior art keywords
- voltage
- low
- electronic equipment
- storage battery
- detected
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/12—Recording operating variables ; Monitoring of operating variables
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
-
- 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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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Secondary Cells (AREA)
- Tests Of Electric Status Of Batteries (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention provides a kind of low battery of automobile storage battery detection protection system and method, wherein system includes：Voltage comparator, A-D converter and main control chip, the voltage comparator and A-D converter are connected with the main control chip signal, and are arranged on the electronic equipment of in-car, and the voltage at the electronic equipment end is detected and compared.The present invention combines voltage comparator and A-D converter and the charge condition of automobile storage battery is detected and fed back simultaneously; can be accurate; efficiently realize the monitoring to storage battery electricity; when low battery; can promptly it make a response; protect automobile storage battery, it is to avoid some failures that storage battery is consumed excessively and triggered.
Description
Technical field
The present invention relates to mobile unit technical field, the low battery detection protection system of more particularly to a kind of automobile storage battery
And method.
Background technology
In the prior art to the detection of automobile storage battery electricity, ADC samplings directly often are carried out to battery voltage, by reading
Power taking pressure, and then estimate the charge condition of storage battery.But, the difference for the power consumption that electrical equipment is consumed on car, for example：It is same
Power consumption of the equipment under different application scene is different, and the multiple equipment installed on same chassis opens number difference, causes power supply
Line loss on line is inconsistent, and difference is fluctuated between voltage transient, and the supply voltage of as a result ADC samplings is widely different, the storage battery of estimation
Electricity differs greatly, it is impossible in time, accurately responses to protect storage battery.
The content of the invention
, can be accurate the invention provides one kind for above technical problem, efficiently realize to storage battery consumption and residue
Monitoring, and can rapidly respond, the system and method for protecting automobile storage battery.
Protection system is detected the invention provides a kind of low battery of automobile storage battery, including：Voltage comparator, analog to digital conversion
Device and main control chip, the voltage comparator and A-D converter are connected with the main control chip signal, and are arranged at car
On interior electronic equipment, the voltage at the electronic equipment end is detected and compared.
The system combination voltage comparator and A-D converter carry out detection and anti-to the charge condition of automobile storage battery simultaneously
Feedback, can be accurate, efficiently realizes the monitoring to storage battery electricity, when low battery, can promptly make a response, and protects
Protect automobile storage battery, it is to avoid some failures that storage battery is consumed excessively and triggered.
Guard method is detected present invention also offers a kind of low battery of automobile storage battery, including：Judge tested in-car electricity
Whether sub- equipment is in running order, when in-car electronic equipment is in normal work, starts voltage comparator and modulus becomes
Parallel operation is detected to the voltage at electronic equipment end simultaneously, and low voltage test result is fed back；When in-car electronics is set
It is standby in a dormant state when, start voltage comparator and the voltage at electronic equipment end detected, and to low voltage test result
Fed back.
Further, voltage comparator and the A-D converter of starting is examined to the voltage at electronic equipment end simultaneously
Survey, and feedback step is carried out to low voltage test result and further comprise：Electronic equipment end is detected by voltage comparator
Voltage is U1, and when the U1 detected value is prescribed a time limit less than the low-voltage prompt door of setting, low capacity prompt is reported to main control chip,
It is n1 to record low-voltage prompting number of times；The voltage that electronic equipment end is detected by A-D converter is U2, as the U2 detected
Value prescribed a time limit less than the low-voltage prompt door of setting, report low capacity prompt to main control chip, record low-voltage prompting number of times is
n2；Reach default times N 1 in response to n1 and n2 reach default times N 2, immediately carry out low battery protection act, and to
Family sends low capacity prompt, wherein, described N1, N2 are positive integer.
Further, it is described to detect the voltage at electronic equipment end using the method elimination electricity for taking average by A-D converter
Press the influence of fluctuation.
Further, the startup voltage comparator is detected to the voltage at electronic equipment end, and to low voltage test
As a result feedback step is carried out to further comprise：The voltage that electronic equipment end is detected by voltage comparator is U3, when detecting
U3 value less than setting low-voltage prompt door prescribe a time limit, low capacity prompt is reported to main control chip, while carrying out low electricity immediately
Protection act is measured, and issues the user with low capacity prompt.
This method combination voltage comparator and A-D converter carry out detection and anti-to the charge condition of automobile storage battery simultaneously
Feedback, can be accurate, efficiently realizes the monitoring to storage battery electricity, when low battery, can promptly make a response, and protects
Protect automobile storage battery, it is to avoid some failures that storage battery is consumed excessively and triggered.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
Fig. 1 detects the structural representation of protection system for a kind of low battery of automobile storage battery of the embodiment of the present invention；
Fig. 2 detects the flow chart of guard method for a kind of low battery of automobile storage battery of the embodiment of the present invention.
Marked in accompanying drawing：
1 voltage comparator
2 A-D converters
3 main control chips
4 automobile storage batteries
5 power lines
6 electronic equipments
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
Protection system is detected the embodiments of the invention provide a kind of low battery of automobile storage battery, as shown in figure 1, including：Electricity
Press comparator 1, A-D converter 2 and main control chip 3, the voltage comparator 1 and A-D converter 2 with the main control chip
3 signals are connected, and are arranged on the electronic equipment 6 of in-car, and the voltage at the electronic equipment end is detected and compared.
The embodiment of the present invention additionally provides a kind of low battery detection guard method of automobile storage battery, as shown in Fig. 2 including：
Step S1, judges whether tested in-car electronic equipment is in running order, when in-car electronic equipment is in just
Often during work, start voltage comparator and A-D converter and the voltage at electronic equipment end is detected simultaneously, and to low-voltage
Testing result is fed back；When in-car electronic equipment in a dormant state when, start voltage comparator to electronic equipment end
Voltage is detected, and low voltage test result is fed back.
In the one side of the embodiment of the present invention, the startup voltage comparator and A-D converter are simultaneously to electronic equipment
The voltage at end is detected, and low voltage test result progress feedback step is further comprised：
Step S10, the voltage that electronic equipment end is detected by voltage comparator is U1, when the U1 detected value is less than
The low-voltage prompt door of setting is prescribed a time limit, and reports low capacity prompt to main control chip, record low-voltage prompting number of times is n1.
Step S11, the voltage that electronic equipment end is detected by A-D converter is U2, when the U2 detected value is less than
The low-voltage prompt door of setting is prescribed a time limit, and reports low capacity prompt to main control chip, record low-voltage prompting number of times is n2.It is preferred that
Ground, it is described to detect the voltage at electronic equipment end using the influence for the method elimination voltage pulsation for taking average by A-D converter.
Step S12, reaches default times N 1 in response to n1 and n2 reaches default times N 2, and low battery guarantor is carried out immediately
Shield is acted, and issues the user with low capacity prompt, wherein, described N1, N2 are positive integer.
In the one side of the embodiment of the present invention, the startup voltage comparator is examined to the voltage at electronic equipment end
Survey, and feedback step is carried out to low voltage test result and further comprise：
Step S20, the voltage that electronic equipment end is detected by voltage comparator is U3, when the U3 detected value is less than
The low-voltage prompt door of setting is prescribed a time limit, and low capacity prompt is reported to main control chip, while low battery protection act is carried out immediately, and
Issue the user with low capacity prompt.
The present invention combines voltage comparator and A-D converter and carries out detection and anti-to the charge condition of automobile storage battery simultaneously
Feedback, can be accurate, efficiently realizes the monitoring to storage battery electricity, when low battery, can promptly make a response, and protects
Protect automobile storage battery, it is to avoid some failures that storage battery is consumed excessively and triggered.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (5)
1. a kind of low battery detection protection system of automobile storage battery, it is characterised in that including：
Voltage comparator (1), A-D converter (2) and main control chip (3), the voltage comparator and A-D converter are and institute
State the connection of main control chip signal, and be arranged on the electronic equipment of in-car, the voltage at the electronic equipment end is carried out detection and
Compare.
2. a kind of low battery detection guard method of automobile storage battery, it is characterised in that including：
Judge whether tested in-car electronic equipment is in running order, when in-car electronic equipment is in normal work, open
Dynamic voltage comparator and A-D converter are detected to the voltage at electronic equipment end simultaneously, and low voltage test result is carried out
Feedback；When in-car electronic equipment in a dormant state when, start voltage comparator and the voltage at electronic equipment end detected,
And low voltage test result is fed back.
3. the low battery detection guard method of automobile storage battery as claimed in claim 2, it is characterised in that the startup voltage ratio
The voltage at electronic equipment end is detected simultaneously compared with device and A-D converter, and feedback step is carried out to low voltage test result
Further comprise：
The voltage for detecting electronic equipment end by voltage comparator is U1, when the U1 detected low-voltage of the value less than setting
Prompt door is prescribed a time limit, and reports low capacity prompt to main control chip, record low-voltage prompting number of times is n1；
The voltage for detecting electronic equipment end by A-D converter is U2, when the U2 detected low-voltage of the value less than setting
Prompt door is prescribed a time limit, and reports low capacity prompt to main control chip, record low-voltage prompting number of times is n2；
Default times N 1 is reached in response to n1 and n2 reaches default times N 2, immediately progress low battery protection act, and to
User sends low capacity prompt, wherein, described N1, N2 are positive integer.
4. the low battery detection guard method of automobile storage battery as claimed in claim 3, it is characterised in that described to be become by modulus
The voltage at parallel operation detection electronic equipment end uses the influence for taking the method for average to eliminate voltage pulsation.
5. the low battery detection guard method of automobile storage battery as claimed in claim 2, it is characterised in that the startup voltage ratio
The voltage at electronic equipment end is detected compared with device, and feedback step is carried out to low voltage test result and is further comprised：
The voltage for detecting electronic equipment end by voltage comparator is U3, when the U3 detected low-voltage of the value less than setting
Prompt door is prescribed a time limit, and low capacity prompt is reported to main control chip, while carrying out low battery protection act immediately, and is issued the user with low
Capacity prompt.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710061056.1A CN107323269A (en) | 2017-01-25 | 2017-01-25 | A kind of low battery detection protection system and method for automobile storage battery |
| CN201711070612.8A CN107618467B (en) | 2017-01-25 | 2017-11-03 | A kind of low battery detection protection system and method for automobile storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710061056.1A CN107323269A (en) | 2017-01-25 | 2017-01-25 | A kind of low battery detection protection system and method for automobile storage battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107323269A true CN107323269A (en) | 2017-11-07 |
Family
ID=60193425
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710061056.1A Pending CN107323269A (en) | 2017-01-25 | 2017-01-25 | A kind of low battery detection protection system and method for automobile storage battery |
| CN201711070612.8A Active CN107618467B (en) | 2017-01-25 | 2017-11-03 | A kind of low battery detection protection system and method for automobile storage battery |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711070612.8A Active CN107618467B (en) | 2017-01-25 | 2017-11-03 | A kind of low battery detection protection system and method for automobile storage battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN107323269A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112014750A (en) * | 2020-09-01 | 2020-12-01 | 珠海艾派克微电子有限公司 | Battery electric quantity detection method, device, chip and storage medium |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8821167D0 (en) * | 1988-09-09 | 1988-10-12 | Jaguar Cars | Electrical supply control system for motor vehicle |
| CN201138759Y (en) * | 2007-12-15 | 2008-10-22 | 西安航力航电技术发展有限公司 | Battery under-voltage protection controller for electric bicycle |
| CN202886569U (en) * | 2012-09-21 | 2013-04-17 | 深圳职业技术学院 | On-line automobile storage battery state monitoring device based on FPGA |
| CN203326682U (en) * | 2013-04-27 | 2013-12-04 | 赵伟霞 | Charger of electric bicycle |
| CN106025399B (en) * | 2016-06-07 | 2018-07-13 | 安徽江淮汽车集团股份有限公司 | A kind of automobile storage battery monitoring method and system |
-
2017
- 2017-01-25 CN CN201710061056.1A patent/CN107323269A/en active Pending
- 2017-11-03 CN CN201711070612.8A patent/CN107618467B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107618467A (en) | 2018-01-23 |
| CN107618467B (en) | 2019-11-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171107 |
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| WD01 | Invention patent application deemed withdrawn after publication |