CN114801895A - Preheating method and system - Google Patents
Preheating method and system Download PDFInfo
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- CN114801895A CN114801895A CN202210641492.7A CN202210641492A CN114801895A CN 114801895 A CN114801895 A CN 114801895A CN 202210641492 A CN202210641492 A CN 202210641492A CN 114801895 A CN114801895 A CN 114801895A
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/0025—Heating, cooling or ventilating [HVAC] devices the devices being independent of the vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/0065—Control members, e.g. levers or knobs
- B60H1/00657—Remote control devices
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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
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/12—Inductive energy transfer
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- Transportation (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a preheating method and a preheating system. Wherein, the method comprises the following steps: receiving a preheating request sent by a client; and controlling the wireless charging equipment to preheat the electric automobile based on the preheating request. The electric automobile is preheated through the wireless charging equipment, so that the technical effect of improving the endurance mileage of the electric automobile is achieved, and the technical problem that the endurance mileage is reduced due to preheating of the electric automobile is solved.
Description
Technical Field
The invention relates to the field of electric automobiles, in particular to a preheating method and a preheating system.
Background
With the wide use of electric vehicles, users are also paying more attention to the use experience of electric vehicles. The power battery in the electric automobile has limited output power in a low-temperature state, and discharges in the low-temperature state, so that the electric quantity of the battery is quickly lost, and the power of the electric automobile is possibly insufficient.
In the related art, before charging an electric vehicle, a power battery in the electric vehicle is usually preheated, so that loss of the power battery due to low-temperature charging is avoided, but when the electric vehicle is in a low-temperature scene, for example, in winter, after the vehicle is charged, and a user needs to reuse the electric vehicle after the vehicle is parked for a period of time, the cab and the power battery are usually preheated again, so that the remaining electric quantity of the power battery is consumed, the power of the electric vehicle is insufficient, and the driving range is reduced.
In view of the above problems, no effective solution has been proposed.
Disclosure of Invention
The embodiment of the invention provides a preheating method and a preheating system, which at least solve the technical problem of reduction of endurance mileage caused by preheating an electric automobile.
According to an aspect of an embodiment of the present invention, there is provided a preheating method including: receiving a preheating request sent by a client; and controlling the wireless charging equipment to preheat the electric automobile based on the preheating request.
Further, based on the request to preheat, controlling the wireless charging device to preheat the electric vehicle includes: responding to a preheating request, and acquiring a first battery temperature, a first cab temperature and a target charging power, wherein the first battery temperature is used for representing the temperature of a battery system in the electric automobile, the first cab temperature is used for representing the temperature of a cab in the electric automobile, and the target charging power is used for representing the maximum output power of the wireless charging equipment; determining a target warm-up mode based on the first battery temperature, the first cab temperature, and the target charging power; and controlling the wireless charging equipment to preheat the electric automobile based on the target preheating mode.
Further, determining a target warm-up mode based on the first battery temperature, the first cab temperature, and the target charging power includes: determining a target requested power based on the first battery temperature and the first cab temperature; and determining a target preheating mode according to the target request power and the target charging power.
Further, the target requested power includes: the first requested power and the second requested power, the target warm-up requested power being determined based on the first battery temperature, the first cab temperature, and the first warm-up power, including: determining a first request power based on a temperature difference between a first battery temperature and a first preset temperature, wherein the first request power is used for representing power required for preheating a battery system; and determining a second requested power based on the temperature difference between the first cab temperature and a second preset temperature, wherein the second requested power is used for representing the power required for warming the cab.
Further, the target warm-up mode includes: a preheating sequence and a preheating power, the preheating sequence being used to represent a sequence of preheating the battery system and the cab, wherein the target preheating mode is determined according to the target requested power and the target charging power, including: in response to the target charging power being less than or equal to the first requested power, determining the preheating sequence to be the first sequence and determining the preheating power to be the target charging power; in response to the target charging power being less than the first threshold and greater than the first requested power, determining the warm-up order to be the second order, and determining the warm-up power includes: a first requested power and a target power, wherein the first threshold is used for representing the sum of the first requested power and the second requested power, and the target power is used for representing the difference between the target charging power and the first requested power; in response to the target charging power being greater than the first threshold, determining the warm-up sequence to be the second sequence, and determining the warm-up power includes: a first requested power and a second requested power.
Further, in response to the target charging power being less than or equal to the first requested power, controlling the wireless charging device to preheat the electric vehicle based on the target preheating mode, including: controlling the wireless charging equipment to preheat the battery system according to the preheating power; in response to that the second battery temperature of the battery system is higher than the first preset temperature, preheating the cab according to the preheating power; and controlling the wireless charging equipment to stop working in response to the second cab temperature of the cab being greater than a second preset temperature.
Further, in response to the target charging power being greater than the first threshold, controlling the wireless charging device to preheat the electric vehicle based on the target preheating mode, including: controlling the wireless charging equipment to preheat the battery system according to the first request power, and controlling the wireless charging equipment to preheat the cab according to the target power; in response to the fact that the second battery temperature of the battery system is larger than the first preset temperature, controlling the wireless charging equipment to stop preheating the battery system, and preheating the cab according to the target charging power; and controlling the wireless charging equipment to stop working in response to the second cab temperature of the cab being greater than a second preset temperature.
Further, in response to the target charging power being greater than the first threshold, controlling the wireless charging device to preheat the electric vehicle based on the target preheating mode, including: controlling the wireless charging equipment to preheat the battery system according to the first request power, and simultaneously controlling the wireless charging equipment to preheat the cab according to the second request power; and controlling the wireless charging equipment to stop working in response to that the second battery temperature of the battery system is greater than the first preset temperature and the second cab temperature of the cab is greater than the second preset temperature.
Further, before determining the target warm-up mode based on the first battery temperature, the first cab temperature, and the target charging power, the method further comprises: in response to the first battery temperature being less than a first preset temperature and the first cab temperature being less than a second preset temperature, a target warm-up mode is determined based on the first battery temperature, the first cab temperature, and the target charging power.
According to another aspect of the embodiments of the present invention, there is also provided a preheating apparatus, including: the receiving module is used for receiving a preheating request sent by a client; and the preheating module is used for controlling the wireless charging equipment to preheat the electric automobile based on the preheating request.
According to another aspect of the embodiments of the present invention, there is also provided a preheating system, including: the wireless charging equipment is used for preheating the electric automobile; the control device is used for receiving a preheating request sent by the client; and controlling the wireless charging equipment to preheat the electric automobile based on the preheating request.
Optionally, the preheating module comprises: the first acquisition unit is used for responding to the preheating request, acquiring a first battery temperature, a first cab temperature and a target charging power, wherein the first battery temperature is used for representing the temperature of a battery system in the electric automobile, the first cab temperature is used for representing the temperature of a cab in the electric automobile, and the target charging power is used for representing the maximum output power of the wireless charging equipment; a determination unit for determining a target warm-up mode based on the first battery temperature, the first cab temperature, and the target charging power; and the control unit is used for controlling the wireless charging equipment to preheat the electric automobile based on the target preheating mode.
Optionally, the determining unit includes: a first determination subunit configured to determine a target requested power based on the first battery temperature and the first cab temperature; and the second determining subunit is used for determining the target preheating mode according to the target request power and the target charging power.
Optionally, the first determining subunit is further configured to determine a first requested power based on a temperature difference between the first battery temperature and a first preset temperature, where the first requested power is used to represent power required to preheat the battery system; and determining a second requested power based on the temperature difference between the first cab temperature and a second preset temperature, wherein the second requested power is used for representing the power required for warming the cab.
Optionally, the second determining subunit is further configured to determine, in response to the target charging power being less than or equal to the first requested power, that the preheating order is the first order, and determine that the preheating power is the target charging power; in response to the target charging power being less than the first threshold and greater than the first requested power, determining the warm-up order to be the second order, and determining the warm-up power includes: a first requested power and a target power, wherein the first threshold is used for representing the sum of the first requested power and the second requested power, and the target power is used for representing the difference between the target charging power and the first requested power; in response to the target charging power being greater than the first threshold, determining the warm-up sequence to be the second sequence, and determining the warm-up power includes: a first requested power and a second requested power.
Optionally, the second determining subunit is further configured to control the wireless charging device to preheat the battery system according to the preheating power; in response to that the second battery temperature of the battery system is higher than the first preset temperature, preheating the cab according to the preheating power; and controlling the wireless charging equipment to stop working in response to the second cab temperature of the cab being greater than a second preset temperature.
Optionally, the second determining subunit is further configured to control the wireless charging device to preheat the battery system according to the preheating power; in response to that the second battery temperature of the battery system is higher than the first preset temperature, preheating the cab according to the preheating power; and controlling the wireless charging equipment to stop working in response to the second cab temperature of the cab being greater than a second preset temperature.
Optionally, the second determining subunit is further configured to control the wireless charging device to preheat the battery system according to the first request power, and control the wireless charging device to preheat the cab according to the target power; in response to the fact that the second battery temperature of the battery system is larger than the first preset temperature, controlling the wireless charging equipment to stop preheating the battery system, and preheating the cab according to the target charging power; and controlling the wireless charging equipment to stop working in response to the second cab temperature of the cab being greater than a second preset temperature.
Optionally, the second determining subunit is further configured to control the wireless charging device to preheat the electric vehicle based on the target preheating mode in response to the target charging power being greater than the first threshold, and includes: controlling the wireless charging equipment to preheat the battery system according to the first request power, and simultaneously controlling the wireless charging equipment to preheat the cab according to the second request power; and controlling the wireless charging equipment to stop working in response to that the second battery temperature of the battery system is greater than the first preset temperature and the second cab temperature of the cab is greater than the second preset temperature.
Optionally, the system further comprises: and the response module is used for responding to the first battery temperature being less than a first preset temperature and the first cab temperature being less than a second preset temperature, and determining the target preheating mode based on the first battery temperature, the first cab temperature and the target charging power.
In the embodiment of the invention, the preheating request sent by the client is received; and controlling the wireless charging equipment to preheat the electric automobile based on the preheating request. It notices easily that, this application does not consume electric automobile's electric quantity, preheats electric automobile through wireless battery charging outfit to realized improving electric automobile continuation of the journey mileage's technological effect, and then solved owing to preheat the technical problem that the continuation of the journey mileage that causes reduces to electric automobile.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic flow diagram of a preheating method according to an embodiment of the invention;
FIG. 2 is a schematic flow diagram of a preheat process according to an alternative embodiment of the present invention;
FIG. 3 is a schematic flow diagram of a preheat process according to another alternative embodiment of the present invention;
fig. 4 is a schematic structural diagram of a preheating system according to an embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In accordance with an embodiment of the present invention, there is provided a preheat method embodiment, it being noted that the steps illustrated in the flowchart of the figure may be performed in a computer system, such as a set of computer-executable instructions, and that, although a logical order is illustrated in the flowchart, in some cases, the steps illustrated or described may be performed in an order different than here.
FIG. 1 is a schematic flow diagram of a preheating method according to an embodiment of the present invention, as shown in FIG. 1, the method including the steps of:
and step S102, receiving a preheating request sent by the client.
Specifically, the client may be a mobile terminal capable of communicating with an electric vehicle, such as a mobile phone, a smart watch, a tablet computer, or the like. The warm-up request may be a request generated based on an instruction to warm up the electric vehicle, for example, to warm up a battery system of the electric vehicle or to warm up a cab of the electric vehicle.
In one embodiment, when a user wants to use the electric vehicle after a certain period of time, for example, fifteen minutes, the mobile terminal generates a corresponding preheating request after receiving a user operation instruction, and sends the preheating request to the electric vehicle, and the electric vehicle preheats the electric vehicle by using the wireless charging device after receiving the preheating request sent by the client.
It should be noted that the user's manipulation instruction may be only used to indicate that the user needs to use the electric vehicle after a period of time.
And step S104, controlling the wireless charging equipment to preheat the electric automobile based on the preheating request.
Specifically, above-mentioned wireless battery charging outfit can be wireless electric pile that fills, and above-mentioned electric automobile can be the motorcycle type that has wireless function of charging.
In an optional embodiment, after the electric vehicle receives the warm-up request sent by the client, the electric vehicle may obtain a first battery temperature and a first cab temperature according to a plurality of temperature sensors disposed on the electric vehicle, where the first battery temperature may be a temperature of a battery system of the electric vehicle, the first cab temperature may be a temperature of a cab of the electric vehicle, and the electric vehicle may further communicate with the wireless charging device to obtain a target charging power, and the target charging power may be a maximum output power of the wireless charging device.
Secondly, a first requested power can be determined according to a temperature difference between the first battery temperature and the first preheating temperature, and a second requested power can be determined according to a temperature difference between the first cab temperature and the second preset temperature, wherein the first requested power is used for representing the power required by preheating the battery system, and the second requested power is used for representing the power required by preheating the cab.
Then, after determining the first requested power, the second requested power, and the target charging power, a target preheating mode may be determined based on the first requested power, the second requested power, and the target charging power, wherein the target preheating mode includes a preheating sequence and a preheating power.
In the case that the target charging power is less than or equal to the first requested power, determining the preheating power as the target charging power, wherein the preheating sequence may be to preheat the battery system first and then preheat the cab, and the method includes: the method comprises the steps of firstly preheating a battery system by adopting target charging power, stopping preheating the battery system after a second battery temperature of the battery system, namely the real-time battery temperature collected after preheating, is greater than or equal to a first preset temperature, preheating a cab of the electric automobile by adopting the target charging power, and controlling the wireless charging equipment to stop working and stop preheating after the second cab temperature of the cab, namely the real-time cab temperature collected after preheating, is greater than a second preset temperature.
When the target charging power is less than a first threshold value, namely the sum of the first request power and the second request power and is greater than the first request power, the preheating sequence can be that the battery system and the cab are simultaneously preheated, the preheating power comprises the first request power and the target power (namely the difference between the target charging power and the first request power), the specific preheating process comprises the steps of firstly preheating the battery system by adopting the first request power and preheating the cab by adopting the target power, stopping preheating the battery system after the second battery temperature reaches the first preset temperature, adjusting the power for preheating the cab, and then stopping preheating the cab after the second cab temperature is greater than or equal to the second preset temperature, namely controlling the wireless charging equipment to stop working. Wherein adjusting the power to preheat the cab comprises: under the condition that the target charging power is larger than the second request power, preheating the cab by adopting the second request power; and under the condition that the target charging power is smaller than the second request power, the cab is preheated by adopting the target charging power.
In the case where the target charging power is greater than the first threshold, the preheating sequence may be to preheat the battery system and the cab at the same time, and preheat the battery system with the first requested power and preheat the cab with the second requested power. Then, in the preheating process, after the second battery temperature reaches the first preset temperature, the wireless charging device is controlled to stop preheating the battery system, and after the second cab temperature reaches the second preset temperature, the wireless charging device is controlled to stop preheating the cab.
In addition, before the electric vehicle is preheated, if the temperature of the battery system is greater than or equal to the first preset temperature, the battery system does not need to be preheated. If the temperature of the cab is greater than or equal to the second preset temperature, the cab does not need to be preheated.
In the above embodiments of the present application, a preheating request sent by a client is received; and controlling the wireless charging equipment to preheat the electric automobile based on the preheating request. It notices easily that, this application does not consume electric automobile's electric quantity, preheats electric automobile through wireless battery charging outfit to realized improving electric automobile continuation of the journey mileage's technological effect, and then solved owing to preheat the technical problem that the continuation of the journey mileage that causes reduces to electric automobile.
Further, based on the request to preheat, controlling the wireless charging device to preheat the electric vehicle includes: responding to a preheating request, and acquiring a first battery temperature, a first cab temperature and a target charging power, wherein the first battery temperature is used for representing the temperature of a battery system in the electric automobile, the first cab temperature is used for representing the temperature of a cab in the electric automobile, and the target charging power is used for representing the maximum output power of the wireless charging equipment; determining a target warm-up mode based on the first battery temperature, the first cab temperature, and the target charging power; and controlling the wireless charging equipment to preheat the electric automobile based on the target preheating mode.
Specifically, the first battery temperature may be a temperature of the battery system collected by the sensor after the warm-up request is received. The first cab temperature may be a temperature of the cab collected by the sensor after the warm-up request is received. The target charging power is obtained by communication between the electric automobile and the wireless charging equipment. Then, a first requested power of the battery system for requesting heating may be determined according to the first battery temperature and a first preset temperature, a second requested power of the cab for requesting heating may be determined according to the first cab temperature and a second preset temperature, and then the preheating mode may be determined according to a magnitude relation among the first requested power, a first threshold value and a target charging power, wherein the first threshold value is used for representing the sum of the first requested power and the second requested power.
Further, determining a target warm-up mode based on the first battery temperature, the first cab temperature, and the target charging power includes: determining a target requested power based on the first battery temperature and the first cab temperature; and determining a target preheating mode according to the target request power and the target charging power.
Further, the target requested power includes: the first requested power and the second requested power, the target warm-up requested power being determined based on the first battery temperature, the first cab temperature, and the first warm-up power, including: determining a first request power based on a temperature difference between a first battery temperature and a first preset temperature, wherein the first request power is used for representing power required for preheating a battery system; and determining a second requested power based on the temperature difference between the first cab temperature and a second preset temperature, wherein the second requested power is used for representing the power required for warming the cab.
In an alternative embodiment, as shown in fig. 2, after receiving the warm-up request, the electric vehicle determines the relationship between the first battery temperature Tb of the battery system and the first preset temperature T1 and the relationship between the first cabin temperatures Td and T2, and acquires the target charging power. The battery warm-up request is generated in a case where the first battery temperature Tb is lower than a first preset temperature T1, wherein the battery warm-up request includes the battery warm-up request, and the cab warm-up request is generated in a case where the first cab temperature Td is lower than a second preset temperature T2, wherein the cab warm-up request includes cab request power. And then, determining a preheating mode according to the battery preheating request power, the cab preheating request power and the maximum output power of the wireless charging pile.
Further, the target warm-up mode includes: a preheating sequence and a preheating power, the preheating sequence being used to represent a sequence of preheating the battery system and the cab, wherein the target preheating mode is determined according to the target requested power and the target charging power, including: in response to the target charging power being less than or equal to the first requested power, determining the preheating sequence to be the first sequence and determining the preheating power to be the target charging power; in response to the target charging power being less than the first threshold and greater than the first requested power, determining the warm-up order to be the second order, and determining the warm-up power includes: a first requested power and a target power, wherein the first threshold is used for representing the sum of the first requested power and the second requested power, and the target power is used for representing the difference between the target charging power and the first requested power; in response to the target charging power being greater than the first threshold, determining the warm-up sequence to be the second sequence, and determining the warm-up power includes: a first requested power and a second requested power.
In an alternative embodiment, as shown in fig. 3, when determining the preheating mode, a heating capacity determination is required, and the heating capacity is used for characterizing the maximum output power without the charging post, i.e. the target charging power. Wherein the heating capacity determination is made on the relationship between the battery warm-up request power (i.e., the first request power) and the cab warm-up request power (i.e., the second request power). The battery warm-up power shown in fig. 3 may be a power used when warming up the battery system, and the cab warm-up power shown in fig. 3 may be a power used when warming up the cab. The initial value of the preheating power in fig. 3 may be the power used when the electric vehicle is just started to be preheated, including the battery preheating power and the cab heating power.
The method comprises the steps that under the condition that the battery preheating request power is larger than the target charging power, the preheating mode 1 is adopted to preheat the electric automobile, the target charging power is firstly adopted to preheat a battery system, after the real-time temperature of the battery system is higher than the first preset temperature, the target charging power is adopted to preheat a cab, and after the real-time temperature of the cab is higher than the second preset temperature, preheating is completed, and the wireless charging equipment is controlled to stop preheating.
Under the condition that the battery preheating request power < the target charging power < the sum of the battery preheating request power and the cab preheating request power, the electric automobile is preheated by adopting a preheating mode 2, and the method comprises the following steps of: the battery system is preheated by the battery preheating request power, and the cab is heated by the cab heating power, wherein the cab heating power is the difference between the target charging power and the battery preheating power (namely the battery preheating request power).
When the target charging power > battery preheating request power + cab preheating request power, the preheating mode 3 is used for preheating, and the battery system and the cab can be simultaneously preheated, including preheating the battery system by using the battery preheating request power and preheating the cab by using the cab heating request power.
Further, in response to the target charging power being less than or equal to the first requested power, controlling the wireless charging device to preheat the electric vehicle based on the target preheating mode, including: controlling the wireless charging equipment to preheat the battery system according to the preheating power; in response to that the second battery temperature of the battery system is higher than the first preset temperature, preheating the cab according to the preheating power; and controlling the wireless charging equipment to stop working in response to the second cab temperature of the cab being greater than a second preset temperature.
The second battery temperature may be a temperature of the battery system collected after the battery system starts to be warmed up. The second cab temperature may be a temperature of the cab collected after the cab is warmed up. In the process of preheating the electric automobile, once the temperature of the second battery is higher than the first preset temperature, the wireless charging equipment is controlled to stop preheating the battery, the cab of the electric automobile is started to be preheated according to the preheating power, when the second preset temperature of the second cab reaches the second preset temperature, preheating is completed, and wireless charging is controlled to stop working.
Further, in response to the target charging power being greater than the first threshold, controlling the wireless charging device to preheat the electric vehicle based on the target preheating mode, including: controlling the wireless charging equipment to preheat the battery system according to the first request power, and controlling the wireless charging equipment to preheat the cab according to the target power; in response to the fact that the second battery temperature of the battery system is larger than the first preset temperature, controlling the wireless charging equipment to stop preheating the battery system, and preheating the cab according to the target charging power; and controlling the wireless charging equipment to stop working in response to the second cab temperature of the cab being greater than a second preset temperature.
Further, in response to the target charging power being greater than the first threshold, controlling the wireless charging device to preheat the electric vehicle based on the target preheating mode, including: controlling the wireless charging equipment to preheat the battery system according to the first request power, and simultaneously controlling the wireless charging equipment to preheat the cab according to the second request power; and controlling the wireless charging equipment to stop working in response to that the second battery temperature of the battery system is greater than the first preset temperature and the second cab temperature of the cab is greater than the second preset temperature.
Further, before determining the target warm-up mode based on the first battery temperature, the first cab temperature, and the target charging power, the method further comprises: in response to the first battery temperature being less than a first preset temperature and the first cab temperature being less than a second preset temperature, a target warm-up mode is determined based on the first battery temperature, the first cab temperature, and the target charging power.
Specifically, if the first battery temperature is higher than the first preset temperature before the preheating is started, the battery system does not need to be preheated, or the first cab temperature is higher than the second preset temperature, and the cab does not need to be preheated. Therefore, in the present application, the target warm-up mode is determined only in the case where the first battery temperature is less than the first preset temperature and the second cab temperature is less than the second preset temperature.
According to an embodiment of the present invention, a preheating system is provided. The device may execute the preheating method in the above embodiment, and the specific implementation manner and the preferred application scenario are the same as those in the above embodiment, which are not described herein again.
Fig. 4 is a schematic structural diagram of a preheating system according to an embodiment of the present invention, and as shown in fig. 4, the preheating system includes the following parts: a receive module 40 and a preheat module 42.
And the receiving module 40 is configured to receive a preheating request sent by a client.
And the preheating module 42 is configured to control the wireless charging device to preheat the electric vehicle based on the preheating request.
In the embodiment of the invention, the preheating request sent by the client is received; and controlling the wireless charging equipment to preheat the electric automobile based on the preheating request. It notices easily that, this application does not consume electric automobile's electric quantity, preheats electric automobile through wireless battery charging outfit to realized improving electric automobile continuation of the journey mileage's technological effect, and then solved owing to preheat the technical problem that the continuation of the journey mileage that causes reduces to electric automobile.
Optionally, the preheating module comprises: the first acquisition unit is used for responding to the preheating request, acquiring a first battery temperature, a first cab temperature and a target charging power, wherein the first battery temperature is used for representing the temperature of a battery system in the electric automobile, the first cab temperature is used for representing the temperature of a cab in the electric automobile, and the target charging power is used for representing the maximum output power of the wireless charging equipment; a determination unit for determining a target warm-up mode based on the first battery temperature, the first cab temperature, and the target charging power; and the control unit is used for controlling the wireless charging equipment to preheat the electric automobile based on the target preheating mode.
Optionally, the determining unit includes: a first determination subunit configured to determine a target requested power based on the first battery temperature and the first cab temperature; and the second determining subunit is used for determining the target preheating mode according to the target request power and the target charging power.
Optionally, the first determining subunit is further configured to determine a first requested power based on a temperature difference between the first battery temperature and a first preset temperature, where the first requested power is used to represent power required to preheat the battery system; and determining a second requested power based on the temperature difference between the first cab temperature and a second preset temperature, wherein the second requested power is used for representing the power required for warming the cab.
Optionally, the second determining subunit is further configured to determine, in response to the target charging power being less than or equal to the first requested power, that the preheating order is the first order, and determine that the preheating power is the target charging power; in response to the target charging power being less than the first threshold and greater than the first requested power, determining the warm-up order to be the second order, and determining the warm-up power includes: a first requested power and a target power, wherein the first threshold is used for representing the sum of the first requested power and the second requested power, and the target power is used for representing the difference between the target charging power and the first requested power; in response to the target charging power being greater than the first threshold, determining the warm-up sequence to be the second sequence, and determining the warm-up power includes: a first requested power and a second requested power.
Optionally, the second determining subunit is further configured to control the wireless charging device to preheat the battery system according to the preheating power; in response to that the second battery temperature of the battery system is higher than the first preset temperature, preheating the cab according to the preheating power; and controlling the wireless charging equipment to stop working in response to the second cab temperature of the cab being greater than a second preset temperature.
Optionally, the second determining subunit is further configured to control the wireless charging device to preheat the battery system according to the preheating power; in response to that the second battery temperature of the battery system is higher than the first preset temperature, preheating the cab according to the preheating power; and controlling the wireless charging equipment to stop working in response to the second cab temperature of the cab being greater than a second preset temperature.
Optionally, the second determining subunit is further configured to control the wireless charging device to preheat the battery system according to the first request power, and control the wireless charging device to preheat the cab according to the target power; in response to the fact that the second battery temperature of the battery system is larger than the first preset temperature, controlling the wireless charging equipment to stop preheating the battery system, and preheating the cab according to the target charging power; and controlling the wireless charging equipment to stop working in response to the second cab temperature of the cab being greater than a second preset temperature.
Optionally, the second determining subunit is further configured to control the wireless charging device to preheat the electric vehicle based on the target preheating mode in response to the target charging power being greater than the first threshold, and includes: controlling the wireless charging equipment to preheat the battery system according to the first request power, and simultaneously controlling the wireless charging equipment to preheat the cab according to the second request power; and controlling the wireless charging equipment to stop working in response to that the second battery temperature of the battery system is greater than the first preset temperature and the second cab temperature of the cab is greater than the second preset temperature.
Optionally, the system further comprises: and the response module is used for responding to the first battery temperature being less than a first preset temperature and the first cab temperature being less than a second preset temperature, and determining the target preheating mode based on the first battery temperature, the first cab temperature and the target charging power.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A preheating method is characterized by being applied to an electric automobile, and comprises the following steps:
receiving a preheating request sent by a client;
and controlling the wireless charging equipment to preheat the electric automobile based on the preheating request.
2. The method of claim 1, wherein controlling the wireless charging device to warm up the electric vehicle based on the warm-up request comprises:
in response to the preheating request, acquiring a first battery temperature, a first cab temperature and a target charging power, wherein the first battery temperature is used for representing the temperature of a battery system in the electric automobile, the first cab temperature is used for representing the temperature of a cab in the electric automobile, and the target charging power is used for representing the maximum output power of the wireless charging equipment;
determining a target warm-up mode based on the first battery temperature, the first cab temperature, and the target charging power;
and controlling the wireless charging equipment to preheat the electric automobile based on the target preheating mode.
3. The method of claim 2, wherein determining a target warm-up mode based on the first battery temperature, the first cab temperature, and the target charging power comprises:
determining a target requested power based on the first battery temperature and the first cab temperature;
and determining the target preheating mode according to the target request power and the target charging power.
4. The method of claim 3, wherein the target requested power comprises: a first requested power and a second requested power, a target warm-up requested power being determined based on the first battery temperature, the first cab temperature, and the first warm-up power, including:
determining the first request power based on a temperature difference between the first battery temperature and a first preset temperature, wherein the first request power is used for representing power required for preheating the battery system;
and determining the second requested power based on the temperature difference between the first cab temperature and a second preset temperature, wherein the second requested power is used for representing the power required for preheating the cab.
5. The method of claim 4, wherein the target preheat mode comprises: a warm-up sequence and a warm-up power, the warm-up sequence characterizing a sequence of warming up the battery system and the cab, wherein determining the target warm-up mode according to the target requested power and the target charging power includes:
in response to the target charging power being less than or equal to the first requested power, determining the warm-up sequence to be a first sequence and determining the warm-up power to be the target charging power;
in response to the target charging power being less than a first threshold and greater than the first requested power, determining the warm-up order is a second order, and determining the warm-up power comprises: the first requested power and a target power, wherein the first threshold is used to characterize a sum of the first requested power and the second requested power, and the target power is used to characterize a difference between the target charging power and the first requested power;
in response to the target charging power being greater than the first threshold, determining the warm-up sequence to be the second sequence, and determining the warm-up power comprises: the first requested power and the second requested power.
6. The method of claim 5, wherein controlling the wireless charging device to warm up the electric vehicle based on the target warm-up mode in response to the target charging power being less than or equal to the first requested power comprises:
controlling the wireless charging equipment to preheat the battery system according to the preheating power;
responding to the fact that the second battery temperature of the battery system is larger than the first preset temperature, and preheating the cab according to the preheating power;
and controlling the wireless charging equipment to stop working in response to the fact that the second cab temperature of the cab is greater than the second preset temperature.
7. The method of claim 5, wherein controlling the wireless charging device to warm up the electric vehicle based on the target warm-up mode in response to the target charging power being greater than the first threshold comprises:
controlling the wireless charging equipment to preheat the battery system according to the first request power, and controlling the wireless charging equipment to preheat the cab according to the target power;
in response to that the second battery temperature of the battery system is greater than the first preset temperature, controlling the wireless charging equipment to stop preheating the battery system and preheating the cab according to the target charging power;
and controlling the wireless charging equipment to stop working in response to the fact that the second cab temperature of the cab is greater than the second preset temperature.
8. The method of claim 5, wherein controlling the wireless charging device to warm up the electric vehicle based on the target warm-up mode in response to the target charging power being greater than the first threshold comprises:
controlling the wireless charging equipment to preheat the battery system according to the first request power, and simultaneously controlling the wireless charging equipment to preheat the cab according to the second request power;
and responding to the fact that the second battery temperature of the battery system is larger than the first preset temperature and the second cab temperature of the cab is larger than the second preset temperature, and controlling the wireless charging equipment to stop working.
9. The method of claim 2, wherein prior to determining a target warm-up mode based on the first battery temperature, the first cab temperature, and the target charging power, the method further comprises:
in response to the first battery temperature being less than the first preset temperature and the first cab temperature being less than a second preset temperature, determining the target warm-up mode based on the first battery temperature, the first cab temperature, and the target charging power.
10. A preheating system, characterized in that the system comprises
The wireless charging equipment is used for preheating the electric automobile;
the control device is used for receiving a preheating request sent by the client; and controlling the wireless charging equipment to preheat the electric automobile based on the preheating request.
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