CN116381497A - Vehicle battery monitoring system - Google Patents
Vehicle battery monitoring system Download PDFInfo
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- CN116381497A CN116381497A CN202211722938.5A CN202211722938A CN116381497A CN 116381497 A CN116381497 A CN 116381497A CN 202211722938 A CN202211722938 A CN 202211722938A CN 116381497 A CN116381497 A CN 116381497A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 13
- 238000012545 processing Methods 0.000 claims abstract description 25
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 239000000523 sample Substances 0.000 claims abstract description 12
- 238000004891 communication Methods 0.000 claims description 10
- 238000012423 maintenance Methods 0.000 abstract description 6
- 230000003449 preventive effect Effects 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 description 16
- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/367—Software therefor, e.g. for battery testing using modelling or look-up tables
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- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/378—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] specially adapted for the type of battery or accumulator
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Abstract
The application relates to the technical field of storage batteries and discloses a vehicle storage battery monitoring system. The system comprises: the first detection module comprises a positive electrode probe assembly and a negative electrode probe assembly and is used for detecting the voltage and the current of the storage battery; a second detection module including at least one temperature sensor for detecting a temperature of the battery; a processing module for determining state information of the battery based on the voltage, the current, and the temperature, and determining advice information for the battery based on the state information, the state information including an actual operating state and a life state of the battery, the advice information being for guiding a user to use the battery; and the display module is used for displaying the state information and the suggestion information. The technical scheme provided by the application can accurately judge the state of the storage battery and can realize the aim of preventive maintenance of the storage battery.
Description
Technical Field
The application relates to the technical field of storage batteries and discloses a vehicle storage battery monitoring system.
Background
Along with the development of the vehicle industry, the vehicle storage battery has the advantages of long service life, reliable performance, low cost and the like, is an important part for starting a vehicle engine and temporarily using electricity of the vehicle, is an important power supply guarantee system, and provides reliable support for uninterrupted operation equipment. Under the condition that the engine of the vehicle stops working, the storage battery pack can supply electric energy for equipment, and normal operation of systems such as power, steering, braking and the like is ensured. At present, a large amount of maintenance-free valve-controlled sealed lead-acid storage batteries are used in industries such as electric power, communication, railways, vehicles and the like, and maintenance-free only means that the storage batteries do not need to be added with purified water frequently, and maintenance is not required.
The current use of batteries has the following problems: 1. the detection automation degree is low, the voltage at two ends of the storage battery is mainly measured manually by manpower, and the measurement data cannot be digitized; 2. the detection parameters are incomplete, the state of the storage battery cannot be accurately reflected, and only rough judgment can be performed; 3. the specific situation of the storage battery is not available when the storage battery is used. Based on this, the application provides a vehicle battery monitoring system, the use information that can automated inspection battery accurately reflects the state of battery, accomplishes the preventative maintenance to the battery, accomplishes the maintenance of life-span of battery.
Disclosure of Invention
The application relates to the technical field of storage batteries and discloses a vehicle storage battery monitoring system. The use information of the storage battery can be automatically detected, the state of the storage battery can be accurately reflected, preventive maintenance of the storage battery can be achieved, and the whole service life of the storage battery can be maintained.
Other features and advantages of the present application will be apparent from the following detailed description, or may be learned in part by the practice of the application.
According to one aspect of an embodiment of the present application, there is provided a vehicle battery monitoring system, the system comprising: the first detection module comprises an anode probe assembly and a cathode probe assembly and is used for detecting the voltage and the current of the storage battery; a second detection module including at least one temperature sensor for detecting a temperature of the battery; the processing module is used for determining state information of the storage battery according to the voltage, the current and the temperature, and determining advice information for the storage battery based on the state information, wherein the state information comprises actual running state and service life state of the storage battery, and the advice information is used for guiding a user to use the storage battery; and the display module is used for displaying the state information and the suggestion information.
In one embodiment of the present application, based on the foregoing solution, the processing module includes a power module, an acquisition unit, a processing unit, a diagnostic unit, and a communication unit.
In one embodiment of the present application, based on the foregoing, the power module is configured to provide power to the acquisition unit, the processing unit, the diagnostic unit, and the communication unit.
In one embodiment of the present application, based on the foregoing solution, the collecting unit is configured to collect usage information of the storage battery, where the usage information includes at least the voltage, the current, the temperature, a charging time and a discharging time of the storage battery.
In one embodiment of the present application, based on the foregoing, the processing unit is configured to determine a state of charge of the battery from the voltage, the current, and the temperature, and determine an actual operating state of the battery based on the voltage, the current, the temperature, and the state of charge.
In one embodiment of the present application, based on the foregoing solution, the processing unit is further configured to determine a total charging time, an average charging current, a total discharging time, and an average discharging current of the storage battery according to the charging time and the discharging time of the storage battery, and determine a life state of the storage battery based on the total charging time, the average charging current, the total discharging time, and the average discharging current.
In one embodiment of the application, based on the foregoing, the diagnostic unit is configured to determine the recommended information for the battery based on the actual operating state and the state of life of the battery.
In one embodiment of the present application, based on the foregoing, the communication unit is configured to transmit the usage information, the actual operating state, the lifetime state, and the advice information to the display module.
In one embodiment of the present application, based on the foregoing, the battery is in a discharge state when the current is positive, in a charge state when the current is negative, and in a non-operation state when the current is zero.
In one embodiment of the present application, based on the foregoing, the processing unit is further configured to determine an internal resistance value of the battery based on the voltage and the current, the internal resistance value being configured to reflect an actual operating state and a life state of the battery.
In the technical scheme provided by the application, the voltage and the current of the storage battery are detected through the first detection module, the temperature of the storage battery is detected through the second detection module, the state information of the storage battery is determined through the processing module according to the voltage, the current and the temperature, the advice information aiming at the storage battery is determined based on the state information, and the state information and the advice information are displayed through the display module. According to the technical scheme, the state of the storage battery can be accurately judged, and the state information of the storage battery is fed back to a user, so that the aim of preventive maintenance of the storage battery can be fulfilled.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application. It is apparent that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art. In the drawings:
fig. 1 shows a block diagram of a vehicle battery monitoring system in an embodiment of the present application.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments may be embodied in many forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art.
Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the present application. One skilled in the relevant art will recognize, however, that the aspects of the application can be practiced without one or more of the specific details, or with other methods, components, devices, steps, etc. In other instances, well-known methods, devices, implementations, or operations are not shown or described in detail to avoid obscuring aspects of the application.
The flow diagrams depicted in the figures are exemplary only, and do not necessarily include all of the elements and operations/steps, nor must they be performed in the order described. For example, some operations/steps may be decomposed, and some operations/steps may be combined or partially combined, so that the order of actual execution may be changed according to actual situations.
The block diagrams depicted in the figures are merely functional entities and do not necessarily correspond to physically separate entities. That is, the functional entities may be implemented in software, or in one or more hardware modules or integrated circuits, or in different networks and/or processor devices and/or microcontroller devices.
It should be noted that: references herein to "a plurality" means two or more. "and/or" describes an association relationship of an association object, meaning that there may be three relationships, e.g., a and/or B may represent: a exists alone, A and B exist together, and B exists alone. The character "/" generally indicates that the context-dependent object is an "or" relationship.
It should be noted that the terms "first," "second," and the like in the description and claims of the present application and in the above-described figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the objects so used may be interchanged where appropriate such that the embodiments of the present application described herein may be implemented in sequences other than those illustrated or described.
The implementation details of the technical solutions of the embodiments of the present application are described in detail below:
fig. 1 shows a block diagram of a vehicle battery monitoring system 100 in an embodiment of the present application.
As shown in fig. 1, in the present application, a vehicle battery monitoring system 100 includes: a first detection module 101, wherein the first detection module 101 comprises a positive electrode probe assembly and a negative electrode probe assembly, and is used for detecting the voltage and the current of the storage battery; a second detection module 102, the second detection module 102 comprising at least one temperature sensor for detecting the temperature of the battery; a processing module 103, wherein the processing module 103 is configured to determine state information of the storage battery according to the voltage, the current and the temperature, and determine advice information for the storage battery based on the state information, the state information including an actual operation state and a life state of the storage battery, and the advice information is configured to instruct a user to use the storage battery; the display module 104 is configured to display the status information and the advice information on the display module 104.
In this application, the positive electrode probe subassembly with the connection of different shapes such as the sheet wiring of adaptation battery, circular terminal, circular wire can be adopted to the negative electrode probe subassembly, through the positive electrode probe subassembly with the negative electrode probe subassembly can the on-line measuring battery's voltage and current state, the electric current can appear positive, also can appear negative, still can appear zero.
In this application, because battery charge and discharge is the process of electric energy and chemical energy interconversion, consequently the temperature of battery has important influence to the charge, the discharge ability of battery, through temperature sensor can detect the temperature of battery, according to the temperature of battery can suggest to adopt different charge and discharge curves to work, and then can improve the life of battery.
In this application, the display module 104 may be a central control display screen of the vehicle, or may be a display screen disposed on a dashboard of the vehicle for displaying the status information and the advice information.
In this application, monitoring system still includes calibration switch, calibration switch is used for when the battery first use, will monitoring system record the battery state information who gathers resumes to battery initial state.
In one embodiment of the present application, the processing module includes a power module, an acquisition unit, a processing unit, a diagnostic unit, and a communication unit.
In one embodiment of the present application, the power module is configured to provide power to the acquisition unit, the processing unit, the diagnostic unit, and the communication unit.
In one embodiment of the present application, the collecting unit is configured to collect usage information of the storage battery, where the usage information includes at least the voltage, the current, the temperature, a charge time and a discharge time of the storage battery.
In this application, the collecting unit may obtain the charging time and the discharging time of the storage battery, and may also obtain the charging frequency and the discharging frequency of the storage battery.
In one embodiment of the present application, the processing unit is configured to determine a state of charge of the battery based on the voltage, the current, the temperature, and determine an actual operating state of the battery based on the voltage, the current, the temperature, and the state of charge.
In the present application, the state of charge of the battery is determined based on the voltage, the current, and the temperature, and is a ratio of the remaining capacity of the battery to the rated capacity thereof, for example, the state of charge of the battery is 50%, which means that the remaining capacity of the battery is 50% of the rated capacity, and the amount of charge that can be currently provided is 50% of the amount of charge provided by the battery of the rated capacity.
In this application, the actual operating state of the storage battery is determined based on the voltage, the current, the temperature and the state of charge, for example, the actual operating state of the storage battery may be 30% of the state of charge being charged or 20% of the state of charge being discharged, and the actual operating state of the storage battery may be changed according to the voltage, the current and the state of charge.
In one embodiment of the present application, the processing unit is further configured to determine a total charge time, an average charge current, a total discharge time, and an average discharge current of the battery according to the charge time and the discharge time of the battery, and determine a life state of the battery based on the total charge time, the average charge current, the total discharge time, and the average discharge current.
In the application, the total charging time and the total discharging time of the storage battery can be obtained by carrying out accumulation processing on the charging time and the discharging time obtained each time, and the average charging current and the average discharging current can be obtained by the total charging time and the total discharging time.
In the present application, based on the total charge time, the average charge current, the total discharge time, and the average discharge current, and the life of the battery is evaluated according to a usage expert database of the battery, the life state of the battery is evaluated, and the life state of the battery may be represented by the remaining usage time of the battery, for example, the life state of the battery is 800 hours, which means that the battery may be used for 800 hours in the current usage method of the battery.
In one embodiment of the application, the diagnostic unit is adapted to determine the recommended information for the battery based on the actual operating state and the state of life of the battery.
In the present application, the advice information given by the diagnostic unit for the battery may be different depending on the actual operating state of the battery and the state of life of the battery.
In this application, for example, the service life of the storage battery is 5000 hours, the actual running state of the storage battery is discharging and the charge state is 20%, and the recommended information given by the diagnosis unit for the storage battery is that the service life of the storage battery is good, and the discharge can be continued but the quick charge is recommended.
In this application, for example, the state of life of the battery is 50 hours, the actual running state of the battery is discharging and the state of charge is 20%, and the recommended information given by the diagnosis unit for the battery is that the state of life of the battery is poor, it is recommended to stop discharging immediately and charge as soon as possible, so as to avoid accelerating the aging of the battery.
In one embodiment of the application, the communication unit is configured to transmit the usage information, the actual operating state, the life state and the advice information to the display module.
In this application, the usage information, the actual operating state, the lifetime state and the advice information may be transmitted to the display module via a CAN interface.
In one embodiment of the present application, the battery is in a discharged state when the current is positive, in a charged state when the current is negative, and in a non-operating state when the current is zero.
In one embodiment of the application, the processing unit is further configured to determine an internal resistance value of the battery based on the voltage and the current, the internal resistance value being configured to reflect an actual operating state and a state of life of the battery.
In the application, the smaller the internal resistance value is, the stronger the discharging capability of the storage battery is, the more sufficient the electric energy is released, and the internal resistance value can be increased along with the increase of the service time of the storage battery, so that the service life state of the storage battery can be judged according to the internal resistance value, and meanwhile, the actual running state of the storage battery can be judged according to the internal resistance value.
In the present application, when the battery is open, the measured voltage is the open circuit voltage U of the battery 0 When the total power supply of the vehicle is turned ON and the key ON gear is not powered, partial electric equipment of the storage battery is powered, and the measured current is similar to a constant current circuit network, namely the terminal voltage U of the storage battery T The measured current is I T The internal resistance value R can be calculated Inner part ＝(U 0 -U T )/I T 。
In one or more technical solutions provided in the embodiments of the present application, at least the following technical effects or advantages are provided:
the technical scheme provided by the application can evaluate the current actual running state and the service life state of the storage battery, avoids the defects of manual detection and experience evaluation of the storage battery, and improves the usability, the testability, the maintainability and the assurances of the storage battery.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the embodiments disclosed herein. This application is intended to cover any variations, uses, or adaptations of the application following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the application pertains.
Furthermore, the above-described figures are only illustrative of the processes involved in the method according to exemplary embodiments of the present application, and are not intended to be limiting. It will be readily appreciated that the processes shown in the above figures do not indicate or limit the temporal order of these processes. In addition, it is also readily understood that these processes may be performed synchronously or asynchronously, for example, among a plurality of modules.
It is to be understood that the present application is not limited to the precise construction set forth above and shown in the drawings, and that various modifications and changes may be effected therein without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (10)
1. A vehicle battery monitoring system, the system comprising:
the first detection module comprises an anode probe assembly and a cathode probe assembly and is used for detecting the voltage and the current of the storage battery;
a second detection module including at least one temperature sensor for detecting a temperature of the battery;
the processing module is used for determining state information of the storage battery according to the voltage, the current and the temperature, and determining advice information for the storage battery based on the state information, wherein the state information comprises actual running state and service life state of the storage battery, and the advice information is used for guiding a user to use the storage battery;
and the display module is used for displaying the state information and the suggestion information.
2. The system of claim 1, wherein the processing module comprises a power module, an acquisition unit, a processing unit, a diagnostic unit, and a communication unit.
3. The system of claim 2, wherein the power module is configured to provide power to the acquisition unit, the processing unit, the diagnostic unit, and the communication unit.
4. The system of claim 2, wherein the acquisition unit is configured to acquire usage information of the battery, the usage information including at least the voltage, the current, the temperature, a charge time and a discharge time of the battery.
5. The system of claim 4, wherein the processing unit is configured to determine a state of charge of the battery based on the voltage, the current, the temperature, and the state of charge, and to determine an actual operating state of the battery based on the voltage, the current, the temperature, and the state of charge.
6. The system of claim 5, wherein the processing unit is further configured to determine a total charge time, an average charge current, a total discharge time, and an average discharge current of the battery based on the charge time, the average charge current, the total discharge time, and the average discharge current of the battery, and determine a state of life of the battery based on the total charge time, the average charge current, the total discharge time, and the average discharge current.
7. The system according to claim 6, wherein the diagnostic unit is configured to determine the recommended information for the battery based on an actual operating state and a state of life of the battery.
8. The system of claim 7, wherein the communication unit is configured to communicate the usage information, the actual operating state, the life state, and the advice information to the display module.
9. The system of claim 1, wherein the battery is in a discharged state when the current is positive, in a charged state when the current is negative, and in a non-operating state when the current is zero.
10. The system of claim 6, wherein the processing unit is further configured to determine an internal resistance value of the battery based on the voltage and the current, the internal resistance value being configured to reflect an actual operating state and a state of life of the battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211722938.5A CN116381497A (en) | 2022-12-30 | 2022-12-30 | Vehicle battery monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211722938.5A CN116381497A (en) | 2022-12-30 | 2022-12-30 | Vehicle battery monitoring system |
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| CN116381497A true CN116381497A (en) | 2023-07-04 |
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| CN202211722938.5A Pending CN116381497A (en) | 2022-12-30 | 2022-12-30 | Vehicle battery monitoring system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117374437A (en) * | 2023-12-07 | 2024-01-09 | 天津国能津能滨海热电有限公司 | Storage battery life management system, method, device, storage medium and equipment |
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- 2022-12-30 CN CN202211722938.5A patent/CN116381497A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117374437A (en) * | 2023-12-07 | 2024-01-09 | 天津国能津能滨海热电有限公司 | Storage battery life management system, method, device, storage medium and equipment |
| CN117374437B (en) * | 2023-12-07 | 2024-03-19 | 天津国能津能滨海热电有限公司 | Storage battery life management system, method, device, storage medium and equipment |
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