CN112810447A - New energy automobile thing networking protection system - Google Patents
New energy automobile thing networking protection system Download PDFInfo
- Publication number
- CN112810447A CN112810447A CN202011514506.6A CN202011514506A CN112810447A CN 112810447 A CN112810447 A CN 112810447A CN 202011514506 A CN202011514506 A CN 202011514506A CN 112810447 A CN112810447 A CN 112810447A
- Authority
- CN
- China
- Prior art keywords
- battery
- module
- controller
- new energy
- energy automobile
- Prior art date
- 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.)
- Pending
Links
Images
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
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
-
- 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a new energy automobile internet of things protection system which comprises a battery module, a battery detection sensor module, a controller, a V2X communication module and a cloud server, wherein the battery detection sensor module monitors the battery module and transmits data to the controller through a CAN bus, the controller sets a threshold value for the data, the controller packages and processes data beyond the threshold value and reports the data to the cloud server through the V2X communication module, and the cloud server feeds back a preprocessing plan command to the controller through the V2X communication module after analyzing the data. The design is matched with a new generation of information network, an automobile is used as an information point, an embedded system and an advanced controllable sensing technology are integrated, and a new manual interaction system is constructed under the support of a data processing technology, a mobile communication technology, a cloud computing technology and the like, so that the vehicle is safer, more intelligent and more environment-friendly.
Description
Technical Field
The invention relates to the technical field of automobile control, in particular to a new energy automobile internet of things protection system.
Background
The shortage of petroleum resources causes the oil price to be continuously high, and new energy automobiles driven by electric power are concerned by people. Traditional automobile manufacturers start to transform and produce new energy automobiles, for the development of the new energy automobiles, the governments of China also give a lot of policy support, and the development route of the new energy automobiles is explained by issuing energy-saving and new energy industry development plans in 6 months in 2012.
The new energy automobile has serious natural problems, and new energy automobile natural data in 2019 are obtained according to a research report on safety of a power battery in 2019 issued by battery safety laboratories of Qinghua university; wherein the safety accidents of the new energy automobile related to the safety of the power battery are more than 40. Among the 40 accidents, the battery thermal runaway is an important reason for the safety accident of the power battery, and in order to reduce the loss of the automobile nature caused by the battery thermal runaway, the BMS system should not only have a monitoring function but also need an early warning function, and integrates a new communication technology and a more advanced sensor technology. There are also many natural accidents of new energy vehicles, which occur during driving of the vehicles, and the reason is attributed to "electricity abuse", and the wrong current and voltage during driving of the vehicles causes severe heating of the driving motor and accelerated aging of the vehicle circuit, so the electric control technology of the new energy needs to be updated and iterated. The electric control technology is one of three electricity of the new energy automobile, has irreplaceable significance for the new energy automobile, and relates to whole automobile control, battery supervision, driving motor optimal configuration and the like. As one of key parts of a power structure of the new energy automobile, the main performance indexes of the new energy automobile, such as climbing, acceleration, highest speed and the like, are directly influenced by the normal operation of electric control.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a new energy automobile internet of things protection system, which is matched with a new generation of information network, integrates an embedded system and an advanced controllable sensing technology by taking an automobile as an information point, and constructs a new manual interaction system under the support of a data processing technology, a mobile communication technology, a cloud computing technology and the like so as to achieve the aims of safer, more intelligent and more environment-friendly vehicles.
The technical scheme adopted by the invention for solving the technical problems is as follows: new energy automobile thing networking protection system, including battery module, battery detection sensor module, Controller, V2X communication module and cloud ware, battery detection sensor module is right the battery module monitoring to through CAN bus [ CAN be Controller Area Network (Controller Area Network) for short) with data transmission for the Controller, the Controller carries out the threshold value setting to data, the Controller will be in under the abnormal conditions (beyond the threshold value) data packing process after through V2X communication module reports for the cloud ware, pass through after the cloud ware analysis V2X communication module feedback preliminary treatment plan command arrives the Controller and/or send and inform the car owner.
Furthermore, the battery module comprises an end cover, a shell and a plurality of battery units, wherein the front end of the shell is provided with an opening, the cover plate is packaged at the opening, and the cover plate is provided with a positive electrode, a negative electrode and a cooling liquid interface; a cooling pipe and a battery slot are arranged in the shell, the battery unit is arranged in the battery slot, the positive electrode and the negative electrode are connected with the battery unit, and the cooling liquid interface is connected with the cooling pipe; the battery detection sensor module is disposed within the housing.
Furthermore, a ventilation pipe is further arranged in the shell, a ventilation opening communicated with the ventilation pipe is formed in the end cover and the shell, and a hot melt block is plugged at the ventilation opening. When the temperature in the battery module is too high, the hot melt blocks are quickly dissolved to open the ventilation openings, and the temperature is reduced in an auxiliary manner. The cooling device comprises a shell, at least two battery slots are arranged in the shell side by side, and a cooling pipe and a ventilation pipe are arranged between the two adjacent battery slots.
Furthermore, an explosion-proof plate is arranged around the inner wall of the shell.
Furthermore, a layer of sealing cushion plate is arranged at the joint of the end cover and the shell.
Further, the battery detection sensor module comprises a current sensor, a voltage sensor and a temperature sensor, wherein the current sensor adopts a hall current sensor, the voltage sensor adopts a hall voltage flow sensor, and the temperature sensor adopts a thermocouple.
Furthermore, the battery module adopts a non-dissipative centralized equalization management circuit to ensure that the charging states of the batteries are basically consistent during charging; the battery detection sensor module transmits the battery state to the controller through the CAN bus, dynamically adjusts the current and the voltage of the battery during charging, avoids the occurrence of the overcharge condition of a single battery, and prolongs the service life of the battery.
Furthermore, the battery repairing device further comprises a battery repairing circuit module, the controller is connected with the battery repairing circuit module in a control mode, and the battery repairing circuit module is electrically connected with the battery module. The controller CAN download an instruction to the battery repair circuit module through the CAN bus, so that the system CAN autonomously repair the battery module with abnormal current and voltage, and the performance of the battery pack CAN be kept in a relatively stable state. The aging speed of the battery pack is slowed down, and the phenomena of battery short circuit and battery thermal runaway caused by the performance reduction of the battery are reduced. The battery repair circuit module can adopt a pulse repair method and also can adopt a strong current repair method.
Further, the controller adopts a vehicle-mounted embedded ARM processor.
Compared with the prior art, the invention has the beneficial effects that: the new energy automobile internet of things protection system provided by the invention takes the battery as a data processing target, processes and analyzes data, and if irreversible serious errors which cannot be compensated and repaired through the controller exist in the battery state, the irreversible serious errors can be timely uploaded to the cloud computing server through the V2X communication module, the cloud computing server collects the power and electricity configuration condition of the vehicle in the driving process of a user, the battery condition of the vehicle can be fed back in real time through the mobile phone APP, the user can know whether the driving condition is healthy or not, the speed of accelerating battery aging of the vehicle owner in irregular driving is reduced, and the new energy automobile power required by the vehicle owner can be configured. And the acquired data can be analyzed and fed back by big data cloud computing, so that the electric control is integrated to self-adaptively configure power energy for the vehicle, the energy consumption is reduced, and the endurance mileage is increased.
Drawings
FIG. 1 is a block flow diagram of the present invention;
FIG. 2 is a schematic view of a battery module according to the present invention;
FIG. 3 is a circuit diagram of a battery repair circuit module of the present invention;
fig. 4 is a circuit block diagram of a battery test sensor module of the present invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, the new energy automobile internet of things protection system comprises a battery module, a battery detection sensor module, a controller, a V2X communication module and a cloud server. The battery detection sensor module monitors the battery module, data are transmitted to the Controller through a Controller Area Network (CAN), the Controller sets a threshold value of the data, the Controller packages and processes the data under abnormal conditions (except the threshold value) and reports the data to the cloud server through the V2X communication module, and the cloud server feeds back a preprocessing plan instruction to the Controller and/or sends a notice to a vehicle owner through the V2X communication module after analyzing the data.
As shown in fig. 2, the battery module comprises an end cover 1, a housing 2 and a plurality of battery units 3, wherein an opening is formed in the front end of the housing 2, the cover plate 1 is sealed at the opening, and a layer of sealing pad 26 is arranged at the joint of the end cover 1 and the housing 2 to improve the sealing performance; the cover plate 1 is provided with a positive electrode, a negative electrode and a CAN bus interface; the periphery of the inner wall of the shell 2 is provided with the explosion-proof plate 24, so that the structure is safer and firmer; the battery unit 3 is arranged in the battery slots, a cooling pipe 21 and a ventilation pipe 22 are arranged between two adjacent battery slots, and the cooling pipe 21 is a hollow circular pipe; a battery detection sensor module 23 is further packaged in the housing 2, the positive electrode and the negative electrode are electrically connected to the battery unit 3, the CAN bus interface is electrically connected to the temperature sensor 23, the end cap 1 and/or the housing 2 are further provided with a cooling liquid interface and a vent respectively communicating with the cooling pipe 21 and the vent pipe 22, a hot melt block is sealed at the vent, the hot melt block CAN be an EVA hot melt adhesive with a melting point of about 60-70 ℃ or a PE hot melt adhesive with a melting point of about 70-90 ℃, when thermal runaway occurs in the housing 2, the hot melt block melts to open the vent, and a large amount of gas in the housing 2 CAN rapidly discharge heat through the vent.
As shown in fig. 4, the battery detection sensor module 23 includes a current sensor, a voltage sensor and a temperature sensor, the current sensor is a hall current sensor, the voltage sensor is a hall voltage flow sensor, and the temperature sensor is a thermocouple. The current sensor and the voltage sensor respectively monitor the current and the voltage of the battery unit 3 of the battery module, and the temperature sensor acquires a temperature value in the battery module through the analog differential voltage of the thermocouple; monitoring data of the battery detection sensor module is transmitted to the Controller through a CAN bus (CAN is short for Controller Area Network), and the Controller adopts a vehicle-mounted embedded ARM processor; the controller sets a threshold value for data, the controller packages and processes the data under an abnormal condition (namely, the data is judged to be beyond the threshold value) and reports the data to the cloud server through the V2X communication module, and the cloud server feeds back a preprocessing plan instruction to the controller through the V2X communication module after analysis and/or sends a notice to a vehicle owner. The V2X communication module adopts a 5G wireless communication module. The battery detection sensor module 23 may further include a camera, a battery cell charge/discharge tester, a battery capacity tester, an internal resistance tester, and the like, where the camera, the battery cell charge/discharge tester, the battery capacity tester, and the internal resistance tester are electrically connected to the battery unit, and the camera, the battery cell charge/discharge tester, the battery capacity tester, and the internal resistance tester are respectively connected to the processor through CAN bus data. The camera with a night vision function is used for monitoring the bag expansion condition of the battery unit and the opening and closing condition of the ventilation opening so as to further determine the safety of the battery unit; the battery core charging and discharging tester, the battery capacity tester and the internal resistance tester are respectively used for detecting the charging and discharging condition, the battery capacity and the battery internal resistance of the battery unit.
Furthermore, the battery module adopts a non-dissipative centralized equalization management circuit to ensure that the charging states of the batteries are basically consistent during charging; the battery detection sensor module transmits the battery state to the controller through the CAN bus, dynamically adjusts the current and the voltage of the battery during charging, avoids the occurrence of the overcharge condition of a single battery, and prolongs the service life of the battery.
Further, the battery repairing device further comprises a battery repairing circuit module, the controller is connected with the battery repairing circuit module in a control mode, and the battery repairing circuit module is electrically connected with the battery unit 3 of the battery module. The controller CAN download an instruction to the battery repair circuit module through the CAN bus, so that the system CAN autonomously repair the battery module with abnormal current and voltage, and the performance of the battery pack CAN be kept in a relatively stable state. The aging speed of the battery pack is slowed down, and the phenomena of battery short circuit and battery thermal runaway caused by the performance reduction of the battery are reduced. The battery repairing circuit module can adopt a pulse repairing method, as shown in fig. 3, the battery repairing principle is that a battery is charged by adopting high voltage 40-47V and 10 omega resistor current limiting, and for a battery with high internal resistance, high voltage is generated on the battery so as to break down a barrier formed by a vulcanized crystal in the battery, and the purpose of eliminating battery vulcanization is achieved. The current limiting resistor limits the charging current to 4A (the short-circuit current is only 4A multiple points), and if the battery has 12V voltage, the charging current is about 3A. The circuit is divided into three parts, namely a power supply part, a control circuit part and a charging circuit part. Current part: rectifying 220V alternating current commercial power by a transformer to obtain 40-47V direct current voltage for a charging circuit, and meanwhile, stabilizing the voltage into 12V through LM7812 to supply power for a control circuit; the control circuit: and a square wave generator is formed by NEC555, and 2 MOS tubes IRF630 are driven by output. The conduction width of the MOS tube is 100-170 mu S, and the turn-off width is 250-180 mu S and can be adjusted. The on duty ratio is 28.6% to 48.6%, thereby adjusting the average value of the charging current. A charging circuit: the anti-reverse relay circuit consists of an anti-reverse relay circuit, an MOS (metal oxide semiconductor) tube and an indicating circuit. After the repairing device is started, although the MOS tube enters into chopping operation, if the battery is not connected to the line or the voltage of the battery is too low to enable the relay to act, the charging loop is disconnected; it may also be a strong electric repair method.
The above description is only a preferred embodiment of the present invention, and the scope of the present invention should not be limited thereby, and all the simple equivalent changes and modifications made in the claims and the description of the present invention are within the scope of the present invention.
Claims (9)
1. New energy automobile thing networking protection system, characterized in that, including battery module, battery detection sensor module, controller, V2X communication module and cloud ware, battery detection sensor module is right the battery module monitoring to give through the CAN bus with data transmission the controller, the controller carries out the threshold value setting to data, the controller passes through after with the data packing processing outside the threshold value V2X communication module reports to the cloud ware, pass through after the cloud ware analysis V2X communication module feeds back the preliminary treatment plan command and arrives the controller.
2. The new energy automobile internet of things protection system of claim 1, wherein the battery detection sensor module comprises a current sensor, a voltage sensor and a temperature sensor.
3. The new energy automobile internet of things protection system as claimed in claim 2, wherein the current sensor is a hall current sensor, the voltage sensor is a hall voltage flow sensor, and the temperature sensor is a thermocouple.
4. The new energy automobile internet of things protection system as claimed in claim 1, wherein the battery module adopts a non-dissipative centralized balance management circuit.
5. The new energy automobile internet of things protection system of claim 1 or 4, further comprising a battery repair circuit module, wherein the controller is in control connection with the battery repair circuit module, and the battery repair circuit module is electrically connected with the battery module.
6. The new energy automobile internet of things protection system as claimed in claim 1, wherein the controller is a vehicle-mounted embedded ARM processor.
7. The new energy automobile internet of things protection system as claimed in claim 1, wherein the battery module comprises an end cover, a shell and a plurality of battery units, an opening is formed in the front end of the shell, the cover plate is packaged at the opening, and a positive electrode, a negative electrode and a cooling liquid interface are arranged on the cover plate; a cooling pipe and a battery slot are arranged in the shell, the battery unit is arranged in the battery slot, the positive electrode and the negative electrode are connected with the battery unit, and the cooling liquid interface is connected with the cooling pipe; the battery detection sensor module is disposed within the housing.
8. The new energy automobile internet of things protection system of claim 7, wherein an explosion-proof plate is arranged around the inner wall of the shell.
9. The new energy automobile internet of things protection system as claimed in claim 7, wherein a layer of sealing cushion plate is arranged at the joint of the end cover and the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011514506.6A CN112810447A (en) | 2020-12-21 | 2020-12-21 | New energy automobile thing networking protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011514506.6A CN112810447A (en) | 2020-12-21 | 2020-12-21 | New energy automobile thing networking protection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112810447A true CN112810447A (en) | 2021-05-18 |
Family
ID=75854388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011514506.6A Pending CN112810447A (en) | 2020-12-21 | 2020-12-21 | New energy automobile thing networking protection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112810447A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117293418A (en) * | 2023-05-04 | 2023-12-26 | 北京云控安创信息技术有限公司 | Internet of things battery repair management method, device, equipment and storage medium |
-
2020
- 2020-12-21 CN CN202011514506.6A patent/CN112810447A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117293418A (en) * | 2023-05-04 | 2023-12-26 | 北京云控安创信息技术有限公司 | Internet of things battery repair management method, device, equipment and storage medium |
| CN117293418B (en) * | 2023-05-04 | 2024-04-19 | 北京云控安创信息技术有限公司 | Internet of things battery repair management method, device, equipment and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102457327B1 (en) | Battery system with adjustable heating rate and control method therefor | |
| CN110380144B (en) | Mixed coordination control method and system for retired lithium iron phosphate and ternary lithium battery | |
| CN203839477U (en) | Low-temperature charging and heating device of automobile power battery and system | |
| CN102496747B (en) | Thermal management device for power batteries and thermal management method for power batteries | |
| CN102431465B (en) | Protective control method for battery system of battery electric vehicle | |
| CN107611522B (en) | A kind of battery method for heating and controlling for cell management system of electric automobile | |
| CN108099685A (en) | Lithium ion battery for electric vehicle system and charging heating method | |
| CN102332616A (en) | Diagnosis and control method for power battery management system | |
| CN204567343U (en) | Light bus two-way redundant safety high-tension apparatus and control system thereof | |
| CN105762432A (en) | Detection method and device for eruptive burst state of battery module | |
| CN202917603U (en) | Power battery module | |
| CN108550929A (en) | A kind of battery thermal management method and system of electric vehicle low temperature charging | |
| TWI482714B (en) | Parallel-connection battery control system for electric vehicle | |
| CN112810447A (en) | New energy automobile thing networking protection system | |
| CN106740211A (en) | The balancing energy system and method for electrokinetic cell | |
| CN202121029U (en) | Battery management system of pure electric automobile | |
| CN117622236A (en) | Whole vehicle controller system and battery box for changing diesel locomotive into electric motor vehicle | |
| CN206098616U (en) | Pure electric vehicles lithium ion battery heating system | |
| CN110329110B (en) | Battery safety control system and control method for electric motor coach | |
| CN214450307U (en) | New energy automobile battery protection device | |
| CN215752027U (en) | Power battery thermal runaway early warning system and automobile | |
| CN205680759U (en) | A kind of electrokinetic cell system with heating function | |
| CN216015502U (en) | System for improving available capacity of battery pack at low temperature | |
| CN102832676A (en) | Vehicle charging wireless control system and method | |
| CN108933465A (en) | A kind of charging unit and its application method based on temperature and electric current double-direction control |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |