CN113119799A - Heat storage type low-temperature appointment proper-temperature maintenance control method for pure electric vehicle based on rear-mounted heat storage module - Google Patents
Heat storage type low-temperature appointment proper-temperature maintenance control method for pure electric vehicle based on rear-mounted heat storage module Download PDFInfo
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- CN113119799A CN113119799A CN201911389267.3A CN201911389267A CN113119799A CN 113119799 A CN113119799 A CN 113119799A CN 201911389267 A CN201911389267 A CN 201911389267A CN 113119799 A CN113119799 A CN 113119799A
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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
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
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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
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
- B60L58/27—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by heating
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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
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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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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- Electric Propulsion And Braking For Vehicles (AREA)
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Abstract
The invention relates to a heat storage type low-temperature appointment proper-temperature maintenance control method for a pure electric vehicle based on an after-loading heat storage module. The invention comprises the following steps: the energy storage state of the heat storage module and the temperature of the battery are obtained and fed back, and the energy storage percentage of the heat storage module is read by a temperature sensor and a corresponding algorithm in the heat storage module and fed back to the vehicle-mounted remote networking intelligent monitoring terminal; the method comprises the following steps that a vehicle-mounted remote network connection intelligent monitoring terminal obtains a request for reserving battery proper-temperature maintenance heating; calculating the working time required by maintaining the heating mode and calculating the total amount of predicted residual energy storage; and finishing the proper temperature maintenance heating. The invention can reserve in advance to carry out proper-temperature maintenance heating on the vehicle-mounted battery in a low-temperature environment, thereby effectively protecting the service life of the battery.
Description
Technical Field
The invention relates to the field of pure electric vehicles, in particular to a heat storage type low-temperature reservation and proper-temperature maintenance control method for a pure electric vehicle.
Background
With the gradual development of electric vehicles, pure electric vehicles drive wheels to run by using a vehicle-mounted power supply, namely a rechargeable battery, as an energy storage mode and using an electric motor as power, so that requirements on the performance, endurance and the like of the battery are gradually increased, and the capacity, service life and the like of the battery are greatly influenced by temperature, so that some problems to be solved are still existed at present. For example, in a cold condition, the driving range of the pure electric vehicle is sharply reduced, the battery is charged and discharged at a low level, the battery is irreversibly damaged due to low-temperature operation, and the like.
But what pure electric vehicles adopted at present: the battery is heated by the battery, so that the battery is greatly damaged, and certain risks of deflagration, liquid leakage and the like exist in the working process. Therefore, designing a more efficient and safer low-temperature maintenance heating method for batteries has become a technical problem to be solved urgently.
Disclosure of Invention
The invention aims to overcome the existing defects of the prior art, and further provides a heat storage type low-temperature appointment and proper-temperature maintenance control method for a pure electric vehicle based on a rear-mounted heat storage module, which can protect a battery and effectively prolong the endurance mileage of the vehicle, and the work is carried out based on a heat storage module additionally arranged in the electric vehicle at the later stage.
The invention adopts the following technical scheme:
a heat storage type low-temperature appointment proper-temperature maintenance control method for a pure electric vehicle based on a rear-mounted heat storage module comprises the following steps:
the energy storage state of the heat storage module and the temperature of the battery are obtained and fed back, the energy storage percentage of the heat storage module is read by a temperature sensor and a corresponding algorithm in the heat storage module (or the energy storage percentage output by the heat storage module is directly used for reading, and the temperature of the battery is the same) and fed back to the vehicle-mounted remote network intelligent monitoring terminal;
the method comprises the steps that a vehicle-mounted remote network connection intelligent monitoring terminal obtains a request for reserving battery proper temperature maintenance heating, and a reservation or real-time low-temperature battery proper temperature maintenance heating request sent by software such as mobile phone app is obtained through the vehicle-mounted remote network connection intelligent monitoring terminal;
calculating the working time required by maintaining the heating mode and the predicted residual energy storage total amount, and calculating and recording the heating required time and the predicted residual energy storage total amount by the vehicle-mounted remote network connection intelligent monitoring terminal;
the battery is maintained and heated at a proper temperature, and the vehicle-mounted remote network intelligent monitoring terminal controls the heat storage module to heat the battery;
and (5) completing the proper temperature maintenance and heating, and judging whether the battery reaches the preset temperature by the vehicle-mounted remote network connection intelligent monitoring terminal.
The acquisition of the request for the battery proper temperature maintenance heating by the vehicle-mounted remote network connection intelligent monitoring terminal comprises the following steps:
the vehicle-mounted remote network intelligent monitoring terminal receives a battery proper temperature maintenance heating operation request sent by software such as mobile phone app and the like, and verifies the request.
The vehicle-mounted remote network connection intelligent monitoring terminal obtains a relevant basic information database of the vehicle-mounted battery from software such as mobile phone app, wherein the relevant basic information database comprises an upper limit T of the optimal working temperature of the battery cellmaxLower limit of optimum working temperature TminAnd maintaining temperature curve of battery, and obtaining residual working time of heat storage module
And analyzing the actual requirements of the user by combining the user setting from the transmitted request and the historical behaviors by the vehicle-mounted remote network intelligent monitoring terminal, wherein the target temperature of the low-grade battery is L ℃, and the target temperature of the high-grade battery is H ℃.
The calculation of the required working time of the maintenance heating mode and the conversion of the predicted total amount of the residual energy storage comprise the following steps:
the vehicle-mounted remote network connection intelligent monitoring terminal obtains a relevant basic information database of the vehicle-mounted battery from software such as mobile phone app, wherein the relevant basic information database comprises an upper limit T of the optimal working temperature of the battery cellmaxLower limit of optimum working temperature TminAnd the battery maintains the temperature curve and other data, and simultaneously obtains the total energy storage amount T of the heat storage module(now％)Ambient temperature T(env)And the like;
the vehicle-mounted remote network connection intelligent monitoring terminal analyzes and maintains temperature curve data, extracts a high-grade temperature rise rate X ℃/h and a low-grade temperature rise rate Y ℃/h from the temperature curve data, and extracts historical working curve data as assistance.
Calculating the working time required by maintaining the heating mode and converting the predicted total residual energy storage amount, wherein the formula is as follows:
high grade preheating time
At this time, the energy percentage of the heat storage module when the battery per liter is high in unit centigrade is recorded as delta T(％)Predicting the total amount of remaining energy
Recording the percentage of energy consumed this time;
low preheating time
At this time, the energy percentage of the heat storage module when the battery per liter is high in unit centigrade is recorded as delta T(％)Predicting the total amount of remaining energy
And recording the percentage of energy consumed this time
The method for the proper-temperature maintenance heating of the battery comprises the following steps:
the vehicle-mounted remote network connection intelligent monitoring terminal receives an operation request in real time, starts to judge whether the heat storage quantity of the heat storage module is enough for the requirement of single-time proper-temperature maintenance heating, drives the heat storage module and the like to start proper-temperature maintenance work if the requirement is met, sends a request to software terminals such as mobile phone apps and the like if the requirement is not met, enables a user to judge whether the heat storage module still needs to work, and simultaneously proposes to timely charge the heat storage module.
The vehicle-mounted remote network connection intelligent monitoring terminal receives the appointment moderate-temperature work request, when the appointment time is reached, the terminal starts to work, works according to the settings during the appointment, sends a notice to software such as mobile phone app after the work is finished, and sends the percentage of the residual heat storage amount of the heat storage module when the work is finished.
The heat storage type low-temperature scheduled moderate-temperature maintenance control method for the pure electric vehicle based on the afterloading heat storage module as claimed in claim 1, wherein the moderate-temperature maintenance heating of the battery comprises the following steps
Aiming at the real-time monitoring and early warning of the temperature of the battery, the vehicle-mounted remote network intelligent monitoring terminal judges the temperature of the batteryWhether the highest temperature T of the battery cell is exceededmaxIf the temperature exceeds the predetermined value, the heating at the appropriate temperature is stopped.
The vehicle-mounted remote network connection intelligent monitoring terminal judges whether the battery temperature reaches the low-grade battery target temperature of L ℃ and the high-grade battery target temperature of H ℃, if so, the vehicle-mounted remote network connection intelligent monitoring terminal quits the proper temperature maintenance heating mode, and if not, the vehicle-mounted remote network connection intelligent monitoring terminal continues monitoring; when the battery is lower than the single battery minimum temperature T againminWhen the heating mode is started again.
Advantageous effects
Compared with the prior art, the heat storage type low-temperature appointment proper-temperature maintenance control method for the pure electric vehicle based on the after-loading heat storage module can safely and stably maintain and heat a vehicle-mounted battery at proper temperature by using the energy of the after-loading heat storage module in a low-temperature environment, effectively protects and prolongs the service life of the battery.
Drawings
FIG. 1 is a sequence diagram of the method of the present invention.
Detailed Description
So that the structural features and functions attained by the present invention can be more fully understood and appreciated. The invention will be described in detail with reference to the drawings and specific embodiments.
As shown in fig. 1, the heat storage type low-temperature appointment and proper-temperature maintenance control method for the pure electric vehicle based on the after-loading heat storage module, provided by the invention, comprises the following steps:
a heat storage type low-temperature appointment proper-temperature maintenance control method for a pure electric vehicle based on a rear-mounted heat storage module comprises the following steps:
firstly, acquiring and feeding back the energy storage state of the heat storage module and the temperature of the battery, reading the energy storage percentage of the heat storage module by a temperature sensor and a corresponding algorithm in the heat storage module (or directly reading the energy storage percentage output by the heat storage module, and the temperature of the battery is the same) and feeding back the energy storage percentage to the vehicle-mounted remote networking intelligent monitoring terminal; the method comprises the following specific steps:
(1) the vehicle-mounted remote networking intelligent monitoring terminal collects data of the charging energy of the heat storage module and the current temperature of the battery in a set retrieval time unit (which can be remotely modified on software such as mobile phone app, and the like, and the setting is 10 min/time.
(2) After each retrieval, the vehicle-mounted remote network connection intelligent monitoring terminal records the data locally and uploads the data to software such as a mobile phone app end, and the like, so that the user is assisted in monitoring and judging the states of the heat storage module and the battery.
Secondly, acquiring a request for reserving the proper-temperature maintenance and heating of the battery by the vehicle-mounted remote network connection intelligent monitoring terminal, and acquiring a request for reserving or real-time proper-temperature maintenance and heating of the low-temperature battery, which is sent by software such as mobile phone app and the like, by the vehicle-mounted remote network connection intelligent monitoring terminal; the method comprises the following specific steps:
(1) the vehicle-mounted remote network intelligent monitoring terminal receives an appointment or real-time low-temperature battery proper-temperature maintenance heating request sent by software such as mobile phone app
(2) The vehicle-mounted remote network connection intelligent monitoring terminal obtains a relevant basic information database of the vehicle-mounted battery from software such as mobile phone app, wherein the relevant basic information database comprises an upper limit T of the optimal working temperature of the battery cellmaxLower limit of optimum working temperature TminAnd a battery maintenance temperature curve and other data, and a battery basic information database is stored in mobile phone app and other software and is related important basic parameter information of the battery pack. Simultaneously and timely obtain the total energy storage amount T of the heat storage module from the inside of the vehicle(now％)Ambient temperature T(env)And the like;
(3) the vehicle-mounted remote network intelligent monitoring terminal analyzes the actual gear requirement of a user from the battery reservation or the real-time low-temperature battery moderate-temperature maintenance heating request (only when the user sets one-key reservation and does not set data in detail, if the user sets the data, the user sets the data as standard), wherein the target temperature of the low-grade battery is L ℃, and the target temperature of the high-grade battery is H ℃.
And thirdly, calculating the working time required by maintaining the heating mode and the predicted total amount of the residual energy storage, and calculating and recording the required heating time and the predicted total amount of the residual energy storage by the vehicle-mounted remote network connection intelligent monitoring terminal. The important steps of the control method in the calculation of the required working time and the predicted total amount of the residual energy storage can be used for judging whether the battery meets the required temperature setting requirement in the subsequent steps, so that the possible loss risk of the battery is avoided, and the method can also be used for starting the proper temperature maintenance heating protection of the battery in advance according to the required time before the vehicle service time set by a user, so that the battery can be effectively protected, and the premature aging of the battery is prevented. The method comprises the following specific steps:
(1) the vehicle-mounted remote network connection intelligent monitoring terminal obtains a relevant basic information database of the vehicle-mounted battery from software such as mobile phone app, wherein the relevant basic information database comprises an upper limit T of the optimal working temperature of the battery cellmaxLower limit of optimum working temperature TminAnd a battery maintenance temperature curve and other data, and a battery basic information database is stored in mobile phone app and other software and is related important basic parameter information of the battery pack. Simultaneously and timely obtain the total energy storage amount T of the heat storage module from the inside of the vehicle(now％)Ambient temperature T(env)And the like;
(2) the vehicle-mounted remote network connection intelligent monitoring terminal analyzes and maintains temperature curve data, extracts a high-grade temperature rise rate X ℃/h and a low-grade temperature rise rate Y ℃/h from the temperature curve data, and extracts historical working curve data as assistance. In actual use, the relevant curve data of the battery units of different vehicle types are different, and if the relation ratio of the environmental data and the temperature change rate exists in the curve data, the environmental factors can also be listed in the calculation of the required working time.
(3) Calculating the working time required by maintaining the heating mode and converting the predicted total residual energy storage amount, wherein the formula is as follows:
high grade preheating time
At this time, the energy percentage of the heat storage module when the battery per liter is high in unit centigrade is recorded as delta T(％)Predicting the total amount of remaining energy
Recording the percentage of energy consumed this time;
low preheating time
At this time, the energy percentage of the heat storage module when the battery per liter is high in unit centigrade is recorded as delta T(％)Predicting the total amount of remaining energy
And recording the percentage of energy consumed this time
Fourthly, maintaining and heating the battery at a proper temperature, and controlling the heat storage module to heat the battery by the vehicle-mounted remote network intelligent monitoring terminal;
the vehicle-mounted remote network connection intelligent monitoring terminal receives an operation request in real time, starts to judge whether the heat storage quantity of the heat storage module is enough for the requirement of single-time proper-temperature maintenance heating, drives the heat storage module and the like to start proper-temperature maintenance work if the requirement is met, sends a request to software terminals such as mobile phone apps and the like if the requirement is not met, enables a user to judge whether the heat storage module still needs to work, and simultaneously proposes to timely charge the heat storage module.
The vehicle-mounted remote network connection intelligent monitoring terminal receives the appointment moderate-temperature work request, when the appointment time is reached, the terminal starts to work, works according to the settings during the appointment, sends a notice to software such as mobile phone app after the work is finished, and sends the percentage of the residual heat storage amount of the heat storage module when the work is finished.
And fifthly, completing the heating of the proper-temperature maintenance, and judging whether the battery reaches the preset temperature by the vehicle-mounted remote network intelligent monitoring terminal. The method comprises the following specific steps:
51) aiming at the real-time monitoring and early warning of the temperature of the battery, the vehicle-mounted remote network intelligent monitoring terminal judges whether the temperature of the battery exceeds the highest temperature T of the battery monomermaxIf the temperature exceeds the predetermined value, the heating at the appropriate temperature is stopped to prevent the possibility of overheating the battery due to an erroneous operation of the user.
52) The vehicle-mounted remote network connection intelligent monitoring terminal judges whether the battery temperature reaches the set target temperature L ℃ of the low-grade battery and the set target temperature H ℃ of the high-grade battery, if so, the vehicle-mounted remote network connection intelligent monitoring terminal quits the proper temperature maintenance heating mode, and if not, the vehicle-mounted remote network connection intelligent monitoring terminal continues monitoring; when the battery does not reach the preheating of each gearAnd the temperature is lower than the lowest temperature T of the battery cell againminAnd when the battery is heated, the heating mode is restarted, so that the battery is circularly heated for proper temperature maintenance.
The foregoing embodiments illustrate and describe the fundamental principles, principal features, and advantages of the invention as it is implemented, but the scope of the invention is not limited thereto. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which shall fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A heat storage type low-temperature appointment proper-temperature maintenance control method for a pure electric vehicle based on a rear-mounted heat storage module is characterized by comprising the following steps of: the method comprises the following steps: the energy storage state of the heat storage module and the temperature of the battery are obtained and fed back, and the energy storage state of the heat storage module is read by a temperature sensor and a corresponding algorithm in the heat storage module (or is directly read by the energy storage percentage output by the heat storage module) and fed back to the vehicle-mounted remote networking intelligent monitoring terminal; step two: the method comprises the steps that a vehicle-mounted remote network connection intelligent monitoring terminal obtains a request for reserving battery proper temperature maintenance heating, and a low-temperature battery proper temperature maintenance heating request sent by software such as mobile phone app is obtained through the vehicle-mounted remote network connection intelligent monitoring terminal; step three: calculating the working time required by the maintenance heating mode and predicting the conversion of the total amount of residual energy storage, and acquiring a low-temperature battery proper-temperature maintenance heating request sent by software such as mobile phone app through a vehicle-mounted remote network connection intelligent monitoring terminal; step four: the battery is maintained and heated at a proper temperature, and the vehicle-mounted remote network intelligent monitoring terminal controls the heat storage module to heat the battery; step five: and (5) completing the proper temperature maintenance and heating, and judging whether the battery reaches the preset temperature by the vehicle-mounted remote network connection intelligent monitoring terminal.
2. The afterloading-based thermal storage of claim 1The module heat storage type low-temperature reservation and proper-temperature maintenance control method for the pure electric vehicle is characterized in that a vehicle-mounted remote network connection intelligent monitoring terminal acquires a request for reserving battery proper-temperature maintenance and heating, and the method comprises the following steps: the method comprises the following steps: the vehicle-mounted remote network intelligent monitoring terminal receives a battery proper temperature maintenance heating operation request sent by software such as mobile phone app and the like, and verifies the request. Step two: the vehicle-mounted remote network connection intelligent monitoring terminal obtains a relevant basic information database of the vehicle-mounted battery from software such as mobile phone app, wherein the relevant basic information database comprises an upper limit T of the optimal working temperature of the battery cellmaxLower limit of optimum working temperature TminThe battery maintains temperature curves and other data, and meanwhile data such as the residual working time of the heat storage module are obtained; step three: and analyzing the actual requirements of the user by combining the user setting from the transmitted request and the historical behaviors by the vehicle-mounted remote network intelligent monitoring terminal, wherein the target temperature of the low-grade battery is L ℃, and the target temperature of the high-grade battery is H ℃.
3. The heat storage type low-temperature appointment temperature-adaptive maintenance control method for the pure electric vehicle based on the afterloading heat storage module as claimed in claim 1, wherein the calculation of the working time required by the maintenance heating mode and the conversion of the predicted total residual energy storage amount comprise the following steps: the method comprises the following steps: the vehicle-mounted remote network connection intelligent monitoring terminal obtains a relevant basic information database of the vehicle-mounted battery from software such as mobile phone app, wherein the relevant basic information database comprises an upper limit T of the optimal working temperature of the battery cellmaxLower limit of optimum working temperature TminAnd the battery maintains the temperature curve and other data, and simultaneously obtains the total energy storage amount T of the heat storage module(now％)Ambient temperature T(env)And the like; step two: analyzing and maintaining temperature curve data by the vehicle-mounted remote network connection intelligent monitoring terminal, extracting a high-grade temperature rise rate X ℃/h and a low-grade temperature rise rate Y ℃/h from the temperature curve data, and extracting historical working curve data as assistance; step three: calculating the working time required by maintaining the heating mode and converting the predicted total residual energy storage amount, wherein the formula is as follows: high grade preheating time
At this time, the energy percentage of the heat storage module when the battery per liter is high in unit centigrade is recorded as delta T(％)Predicting the total amount of remaining energy
Recording the percentage of energy consumed this time; low preheating time
At this time, the energy percentage of the heat storage module when the battery per liter is high in unit centigrade is recorded as delta T(％)Predicting the total amount of remaining energy
And recording the percentage of energy consumed this time.
4. The heat storage type low-temperature scheduled moderate-temperature maintenance control method for the pure electric vehicle based on the afterloading heat storage module as claimed in claim 1, wherein the moderate-temperature maintenance heating of the battery comprises the following steps: the method comprises the following steps: the vehicle-mounted remote network connection intelligent monitoring terminal receives an operation request in real time, starts to judge whether the heat storage quantity of the heat storage module is enough to meet the requirement of single-time proper temperature maintenance heating, drives the heat storage module and the like to start proper temperature maintenance work if the heat storage quantity is enough, and sends a request to a mobile phone app and other software terminals if the heat storage quantity is not enough, so that a user can judge whether to work or not, and meanwhile proposes to charge the heat storage module in time; step two: the vehicle-mounted remote network connection intelligent monitoring terminal receives the appointment moderate-temperature work request, when the appointment time is reached, the terminal starts to work, works according to the settings during the appointment, sends a notice to the mobile phone app after the work is completed, and sends the percentage of the residual heat storage amount of the heat storage module when the work is finished.
5. The heat storage type low-temperature scheduled moderate-temperature maintenance control method for the pure electric vehicle based on the afterloading heat storage module as claimed in claim 1, wherein the moderate-temperature maintenance heating of the battery comprises the following steps: the method comprises the following steps: needleThe real-time monitoring and early warning of the temperature of the battery are carried out, and the vehicle-mounted remote network intelligent monitoring terminal judges whether the temperature of the battery exceeds the highest temperature T of the battery monomermaxIf the temperature exceeds the preset temperature, the heating at the proper temperature is stopped; step two: the vehicle-mounted remote network connection intelligent monitoring terminal judges whether the battery temperature reaches the low-grade battery target temperature of L ℃ and the high-grade battery target temperature of H ℃, if so, the vehicle-mounted remote network connection intelligent monitoring terminal quits the proper temperature maintenance heating mode, and if not, the vehicle-mounted remote network connection intelligent monitoring terminal continues monitoring; when the battery does not reach the preheating time of each gear and the temperature is lower than the lowest temperature T of the battery monomer againminAnd when the battery is heated, the heating mode is restarted, so that the battery is circularly heated for proper temperature maintenance.
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Application publication date: 20210716 |