阅读说明：本技术 一种新能源电动汽车空调的远程控制系统及远程控制方法 (Remote control system and remote control method for new energy electric vehicle air conditioner ) 是由 梁雪芽 吴祖茂 于 2020-06-05 设计创作，主要内容包括：本发明提供了一种新能源电动汽车空调的远程控制方法,在驾驶员到达汽车的时间较长时,通过空调控制器实时采集车内温度和车外温度第一预设时间,根据采集的车内温度、车外温度和预设车内外部辐射热量估算公式来计算太阳光进入车内的单位时间辐射热量,再根据太阳光进入车内的单位时间辐射热、车内温度、车外温度和预设车载空调运行时间估算公式计算车载空调在驾驶员到达汽车之前的运行时间,并在对应的时间点控制车载空调以预设车载空调最大制冷功率运行,在满足驾驶员到达汽车时就可享受舒适温度的前提下精确控制了车载空调的提前开启时间,有效降低了车载空调提前开启的运行能耗,大大提高了驾驶员的舒适性体验。(The invention provides a remote control method of a new energy electric automobile air conditioner, which is characterized in that when the time that a driver arrives at an automobile is longer, an air conditioner controller acquires the temperature inside the automobile and the temperature outside the automobile in real time for a first preset time, the radiant heat of sunlight entering the automobile in unit time is calculated according to the acquired temperature inside the automobile, the temperature outside the automobile and a preset estimation formula of the radiant heat inside the automobile and outside the automobile, the running time of the vehicle-mounted air conditioner before the driver arrives at the automobile is calculated according to the radiant heat of the sunlight entering the automobile in unit time, the temperature inside the automobile, the temperature outside the automobile and the preset estimation formula of the running time of the vehicle-mounted air conditioner, the vehicle-mounted air conditioner is controlled to run at the maximum refrigerating power of the preset vehicle-mounted air conditioner at the corresponding time point, the early starting time of the vehicle-mounted air conditioner is accurately controlled on the premise that the driver, the comfort experience of the driver is greatly improved.)

1. A remote control method for a new energy electric automobile air conditioner is characterized by comprising the following steps:

s1, the mobile terminal sends a vehicle-mounted air conditioner refrigeration instruction and the time and time point when the driver arrives at the automobile to the vehicle-mounted terminal and the air conditioner controller;

s2, the air conditioner controller judges whether the time that the driver arrives at the automobile is longer than a preset time, if not, the vehicle-mounted air conditioner is controlled to be started, the temperature of air in the automobile is adjusted according to a preset target adjusting temperature, and if yes, the first preset time of the temperature in the automobile and the temperature outside the automobile is collected in real time after a vehicle-mounted air conditioner refrigerating instruction sent by the mobile terminal is received;

s3, recording the interior temperature when the air conditioner controller just acquires the interior temperature and the exterior temperature as A1, recording the interior temperature after the air conditioner controller acquires the interior temperature and the exterior temperature for a first preset time as A2, recording the exterior temperature when the air conditioner controller just acquires the interior temperature and the exterior temperature as B1, and recording the exterior temperature after the air conditioner controller acquires the interior temperature and the exterior temperature for a first preset time as B2;

s4, calculating the radiant heat of sunlight entering the interior of the vehicle in unit time according to the interior temperature A1, the interior temperature A2, the exterior temperature B1, the exterior temperature B2 and a preset interior and exterior radiant heat estimation formula, wherein the preset interior and exterior radiant heat estimation formula is as follows:

Q1=F1×T1=cm（A2- A1）- K×M×[( B1+B2)/2- ( A1+A2)/2]× T1；

F1= Q1/T1；

q1-radiant heat of sunlight entering the vehicle in a first preset time, F1-radiant heat of sunlight entering the vehicle in unit time, T1-first preset time, c-specific heat capacity of air, m-air quality of a preset space in the vehicle,

k-presetting a carriage heat transfer coefficient, and M-presetting a carriage area;

s5, calculating the running time of the vehicle-mounted air conditioner before the driver reaches the automobile according to the radiant heat of sunlight entering the automobile in unit time, the temperature A2 in the automobile, the temperature B2 outside the automobile, the preset maximum refrigerating power of the vehicle-mounted air conditioner, the preset target regulation temperature and a preset estimation formula of the running time of the vehicle-mounted air conditioner, wherein the estimation formula of the running time of the vehicle-mounted air conditioner is as follows:

T2= cm（A2- A3）/{ S–F1- K×M×[B2- ( A3+A2)/2]} ；

f1-radiant heat per unit time when sunlight enters the automobile, c-specific heat capacity of air, A3-preset target regulation temperature, M-preset air quality inside the automobile, K-preset automobile heat transfer coefficient, M-preset automobile area, T2-running time of the vehicle-mounted air conditioner before a driver reaches the automobile, and S-preset maximum refrigerating power of the vehicle-mounted air conditioner;

s6, determining the starting time point of the vehicle-mounted air conditioner running at the preset maximum cooling power of the vehicle-mounted air conditioner according to the calculated running time of the vehicle-mounted air conditioner before the driver arrives at the automobile and the time point of the driver arriving at the automobile, and setting the time period from the starting time point to the time point of the driver arriving at the automobile as the running time period of the vehicle-mounted air conditioner;

and S7, judging whether the current time is in the operation time period of the vehicle-mounted air conditioner, if not, controlling the vehicle-mounted air conditioner not to be started, and if so, controlling the vehicle-mounted air conditioner to operate at the preset maximum refrigerating power of the vehicle-mounted air conditioner.

2. The remote control method of the air conditioner of the new energy electric automobile according to claim 1, wherein the detection method of the preset compartment heat transfer coefficient comprises the following steps:

when the automobile is parked in an environment without sunlight entering the automobile in summer, the temperature inside the automobile and the temperature outside the automobile are collected in real time through the air conditioner controller, and the vehicle-mounted air conditioner is controlled to adjust the temperature of the air inside the automobile for a second preset time according to a preset target adjusting temperature;

after the vehicle-mounted air conditioner is controlled to adjust the temperature of air in the vehicle for a second preset time according to the preset target adjusting temperature, the vehicle-mounted air conditioner is controlled to be turned off for a third preset time;

recording the interior temperature of the vehicle after the control air conditioner adjusts the interior air temperature according to the preset target adjusting temperature for a second preset time as C1, recording the exterior temperature of the vehicle after the control air conditioner adjusts the interior air temperature according to the preset target adjusting temperature for the second preset time as D1, recording the interior temperature of the vehicle after the control vehicle air conditioner is turned off for a third preset time as C2, and recording the interior temperature of the vehicle after the control vehicle air conditioner is turned off for the third preset time as D2;

obtaining a preset carriage heat transfer coefficient according to an estimation formula of an inside temperature C1, an outside temperature D1, an inside temperature C2, an outside temperature D2 and a preset carriage heat transfer coefficient, wherein the estimation formula of the preset carriage heat transfer coefficient is as follows:

K=；

k-preset carriage heat transfer coefficient, c-specific heat capacity of air, M-preset air quality in the vehicle space, M-preset carriage area and T3-third preset time.

3. The remote control method of the air conditioner of the new energy electric vehicle as claimed in claim 1 or 2, wherein the preset time period is 15min to 20min, the preset target regulation temperature is 22 ℃ to 25 ℃, and the first preset time period is 2min to 5 min.

4. The remote control method of the air conditioner of the new energy electric vehicle as claimed in claim 1 or 3, wherein the second preset time is 5min to 20min, and the third preset time is 5min to 20 min.

5. The remote control system of the new energy electric vehicle air conditioner is characterized by comprising a vehicle-mounted terminal, a mobile terminal, an air conditioner controller, an in-vehicle temperature sensor, an out-vehicle temperature sensor and a cloud server, wherein the vehicle-mounted terminal is connected with the vehicle-mounted air conditioner;

the mobile terminal is used for sending a vehicle-mounted air conditioner refrigerating instruction and the time and time point of the driver arriving at the automobile to the vehicle-mounted terminal and the air conditioner controller;

the air conditioner controller is used for judging whether the time that a driver arrives at the automobile is longer than a preset time, if not, controlling the vehicle-mounted air conditioner to start, adjusting the temperature of air in the automobile according to a preset target adjusting temperature, and if so, acquiring first preset time of the temperature in the automobile and the temperature outside the automobile in real time after receiving a vehicle-mounted air conditioner refrigerating instruction sent by the mobile terminal;

the air conditioner controller is used for recording the inside temperature of the air conditioner controller just after the inside temperature and the outside temperature are collected as A1, recording the inside temperature of the air conditioner controller after the inside temperature and the outside temperature are collected for a first preset time as A2, recording the outside temperature of the air conditioner controller just after the inside temperature and the outside temperature are collected as B1, and recording the outside temperature of the air conditioner controller after the inside temperature and the outside temperature are collected for a first preset time as B2;

the air conditioner controller is used for calculating the radiant heat of sunlight entering the interior of the vehicle in unit time according to the interior temperature A1, the interior temperature A2, the exterior temperature B1, the exterior temperature B2 and a preset interior and exterior radiant heat estimation formula, wherein the preset interior and exterior radiant heat estimation formula is as follows:

Q1=F1×T1=cm（A2- A1）- K×M×[( B1+B2)/2- ( A1+A2)/2]× T1；

F1= Q1/T1；

q1-radiant heat of sunlight entering the vehicle in a first preset time, F1-radiant heat of sunlight entering the vehicle in unit time, T1-first preset time, c-specific heat capacity of air, m-air quality of a preset space in the vehicle,

k-presetting a carriage heat transfer coefficient, and M-presetting a carriage area;

the air conditioner controller is used for calculating the running time of the vehicle-mounted air conditioner before a driver reaches the automobile according to the radiant heat of sunlight entering the automobile in unit time, the temperature A2 in the automobile, the temperature B2 outside the automobile, the preset maximum refrigerating power of the vehicle-mounted air conditioner, the preset target regulation temperature and a preset vehicle-mounted air conditioner running time estimation formula, wherein the preset vehicle-mounted air conditioner running time estimation formula is as follows:

T2= cm（A2- A3）/{ S–F1- K×M×[B2- ( A3+A2)/2]} ；

f1-radiant heat per unit time when sunlight enters the automobile, c-specific heat capacity of air, A3-preset target regulation temperature, M-preset air quality inside the automobile, K-preset automobile heat transfer coefficient, M-preset automobile area, T2-running time of the vehicle-mounted air conditioner before a driver reaches the automobile, and S-preset maximum refrigerating power of the vehicle-mounted air conditioner;

the air conditioner controller is used for determining the starting time point of the vehicle-mounted air conditioner running at the preset maximum refrigerating power of the vehicle-mounted air conditioner according to the calculated running time of the vehicle-mounted air conditioner before the driver arrives at the automobile and the time point of the driver arriving at the automobile, and setting the time period from the starting time point to the time point of the driver arriving at the automobile as the running time period of the vehicle-mounted air conditioner;

the air conditioner controller is used for judging whether the current time is in the vehicle-mounted air conditioner operation time period or not, if not, the vehicle-mounted air conditioner is controlled not to be started, and if yes, the vehicle-mounted air conditioner is controlled to operate at the preset maximum refrigerating power of the vehicle-mounted air conditioner.

6. The remote control method of the air conditioner of the new energy electric vehicle as claimed in claim 5, wherein the preset time period is 15-20 min, and the preset target regulation temperature is 22-25 ℃.

Technical Field

The invention relates to the technical field of new energy electric automobile air conditioners, in particular to a remote control system and a remote control method of a new energy electric automobile air conditioner.

Background

In hot summer, the temperature of air in the automobile is very high due to the fact that the automobile is parked outside for a long time, when a driver goes out, the driver usually needs to enter the automobile first to start the automobile and the air conditioning system to gradually reduce the temperature of the air in the automobile, and in the air temperature adjusting stage in the automobile, the driver feels very hot in a short time and is very poor in comfort.

Dispose the remote control function among current new forms of energy electric automobile's air conditioning system, the driver passes through cell-phone remote control vehicle air conditioner and starts promptly, can improve the travelling comfort impression after the driver gets on the bus in summer, however, remote control air conditioner among the prior art starts mostly regularly to start or driver manual start, do not come the start of accurate control vehicle air conditioner according to the real-time environmental information in the car and outside the car, and can be very big with the temperature difference outside the car after the temperature reduces in summer in advance, thereby it can not enjoy lower temperature when making the driver get on the bus to cause the too early control vehicle interior temperature of vehicle air conditioner to set temperature increase or vehicle air conditioner too late control vehicle interior temperature to set temperature very easily, influence driver's travelling comfort and experience.

Disclosure of Invention

The invention aims to solve the problems and provides a remote control system and a remote control method for a new energy electric vehicle air conditioner, so that the temperature in the vehicle is just near the target regulation temperature when a driver arrives at the vehicle, and the requirement that the driver enjoys a comfortable environment when arriving at the vehicle is met, and the running energy consumption of the air conditioner which is started in advance is not obviously increased.

Therefore, the invention adopts the following technical scheme: a remote control method for a new energy electric automobile air conditioner comprises the following steps:

s1, the mobile terminal sends a vehicle-mounted air conditioner refrigeration instruction and the time and time point when the driver arrives at the automobile to the vehicle-mounted terminal and the air conditioner controller;

s2, the air conditioner controller judges whether the time that the driver arrives at the automobile is longer than a preset time, if not, the vehicle-mounted air conditioner is controlled to be started, the temperature of air in the automobile is adjusted according to a preset target adjusting temperature, and if yes, the first preset time of the temperature in the automobile and the temperature outside the automobile is collected in real time after a vehicle-mounted air conditioner refrigerating instruction sent by the mobile terminal is received;

s3, recording the interior temperature when the air conditioner controller just acquires the interior temperature and the exterior temperature as A1, recording the interior temperature after the air conditioner controller acquires the interior temperature and the exterior temperature for a first preset time as A2, recording the exterior temperature when the air conditioner controller just acquires the interior temperature and the exterior temperature as B1, and recording the exterior temperature after the air conditioner controller acquires the interior temperature and the exterior temperature for a first preset time as B2;

s4, calculating the radiant heat of sunlight entering the interior of the vehicle in unit time according to the interior temperature A1, the interior temperature A2, the exterior temperature B1, the exterior temperature B2 and a preset interior and exterior radiant heat estimation formula, wherein the preset interior and exterior radiant heat estimation formula is as follows:

Q1=F1×T1=cm（A2- A1）- K×M×[( B1+B2)/2- ( A1+A2)/2]× T1；

F1= Q1/T1；

q1-radiant heat of sunlight entering the vehicle in a first preset time, F1-radiant heat of sunlight entering the vehicle in unit time, T1-first preset time, c-specific heat capacity of air, m-air quality of a preset space in the vehicle,

k-presetting a carriage heat transfer coefficient, and M-presetting a carriage area;

s5, calculating the running time of the vehicle-mounted air conditioner before the driver reaches the automobile according to the radiant heat of sunlight entering the automobile in unit time, the temperature A2 in the automobile, the temperature B2 outside the automobile, the preset maximum refrigerating power of the vehicle-mounted air conditioner, the preset target regulation temperature and a preset estimation formula of the running time of the vehicle-mounted air conditioner, wherein the estimation formula of the running time of the vehicle-mounted air conditioner is as follows:

T2= cm（A2- A3）/{ S–F1- K×M×[B2- ( A3+A2)/2]} ；

f1-radiant heat per unit time when sunlight enters the automobile, c-specific heat capacity of air, A3-preset target regulation temperature, M-preset air quality inside the automobile, K-preset automobile heat transfer coefficient, M-preset automobile area, T2-running time of the vehicle-mounted air conditioner before a driver reaches the automobile, and S-preset maximum refrigerating power of the vehicle-mounted air conditioner;

s6, determining the starting time point of the vehicle-mounted air conditioner running at the preset maximum cooling power of the vehicle-mounted air conditioner according to the calculated running time of the vehicle-mounted air conditioner before the driver arrives at the automobile and the time point of the driver arriving at the automobile, and setting the time period from the starting time point to the time point of the driver arriving at the automobile as the running time period of the vehicle-mounted air conditioner;

and S7, judging whether the current time is in the operation time period of the vehicle-mounted air conditioner, if not, controlling the vehicle-mounted air conditioner not to be started, and if so, controlling the vehicle-mounted air conditioner to operate at the preset maximum refrigerating power of the vehicle-mounted air conditioner.

Further, the method for detecting the preset carriage heat transfer coefficient is characterized by comprising the following steps of:

when the automobile is parked in an environment without sunlight entering the automobile in summer, the temperature inside the automobile and the temperature outside the automobile are collected in real time through the air conditioner controller, and the vehicle-mounted air conditioner is controlled to adjust the temperature of the air inside the automobile for a second preset time according to a preset target adjusting temperature;

after the vehicle-mounted air conditioner is controlled to adjust the temperature of air in the vehicle for a second preset time according to the preset target adjusting temperature, the vehicle-mounted air conditioner is controlled to be turned off for a third preset time;

recording the interior temperature of the vehicle after the control air conditioner adjusts the interior air temperature according to the preset target adjusting temperature for a second preset time as C1, recording the exterior temperature of the vehicle after the control air conditioner adjusts the interior air temperature according to the preset target adjusting temperature for the second preset time as D1, recording the interior temperature of the vehicle after the control vehicle air conditioner is turned off for a third preset time as C2, and recording the interior temperature of the vehicle after the control vehicle air conditioner is turned off for the third preset time as D2;

obtaining a preset carriage heat transfer coefficient according to an estimation formula of an inside temperature C1, an outside temperature D1, an inside temperature C2, an outside temperature D2 and a preset carriage heat transfer coefficient, wherein the estimation formula of the preset carriage heat transfer coefficient is as follows:

K=；

k-preset carriage heat transfer coefficient, c-specific heat capacity of air, M-preset air quality in the vehicle space, M-preset carriage area and T3-third preset time.

Further, the preset time is 15-20 min, the preset target adjusting temperature is 22-25 ℃, and the first preset time is 2-5 min.

Further, the second preset time is 5min to 20min, and the third preset time is 5min to 20 min.

The invention also adopts the following technical scheme: a remote control system of a new energy electric vehicle air conditioner comprises a vehicle-mounted terminal, a mobile terminal, an air conditioner controller, an in-vehicle temperature sensor installed in a vehicle, an out-vehicle temperature sensor installed outside the vehicle and a cloud server, wherein the vehicle-mounted terminal, the mobile terminal, the in-vehicle temperature sensor and the cloud server are connected with the vehicle-mounted terminal;

the mobile terminal is used for sending a vehicle-mounted air conditioner refrigerating instruction and the time and time point of the driver arriving at the automobile to the vehicle-mounted terminal and the air conditioner controller;

the air conditioner controller is used for judging whether the time that a driver arrives at the automobile is longer than a preset time, if not, controlling the vehicle-mounted air conditioner to start, adjusting the temperature of air in the automobile according to a preset target adjusting temperature, and if so, acquiring first preset time of the temperature in the automobile and the temperature outside the automobile in real time after receiving a vehicle-mounted air conditioner refrigerating instruction sent by the mobile terminal;

the air conditioner controller is used for recording the inside temperature of the air conditioner controller just after the inside temperature and the outside temperature are collected as A1, recording the inside temperature of the air conditioner controller after the inside temperature and the outside temperature are collected for a first preset time as A2, recording the outside temperature of the air conditioner controller just after the inside temperature and the outside temperature are collected as B1, and recording the outside temperature of the air conditioner controller after the inside temperature and the outside temperature are collected for a first preset time as B2;

the air conditioner controller is used for calculating the radiant heat of sunlight entering the interior of the vehicle in unit time according to the interior temperature A1, the interior temperature A2, the exterior temperature B1, the exterior temperature B2 and a preset interior and exterior radiant heat estimation formula, wherein the preset interior and exterior radiant heat estimation formula is as follows:

Q1=F1×T1=cm（A2- A1）- K×M×[( B1+B2)/2- ( A1+A2)/2]× T1；

F1= Q1/T1；

q1-radiant heat of sunlight entering the vehicle in a first preset time, F1-radiant heat of sunlight entering the vehicle in unit time, T1-first preset time, c-specific heat capacity of air, m-air quality of a preset space in the vehicle,

k-presetting a carriage heat transfer coefficient, and M-presetting a carriage area;

the air conditioner controller is used for calculating the running time of the vehicle-mounted air conditioner before a driver reaches the automobile according to the radiant heat of sunlight entering the automobile in unit time, the temperature A2 in the automobile, the temperature B2 outside the automobile, the preset maximum refrigerating power of the vehicle-mounted air conditioner, the preset target regulation temperature and a preset vehicle-mounted air conditioner running time estimation formula, wherein the preset vehicle-mounted air conditioner running time estimation formula is as follows:

T2= cm（A2- A3）/{ S–F1- K×M×[B2- ( A3+A2)/2]} ；

f1-radiant heat per unit time when sunlight enters the automobile, c-specific heat capacity of air, A3-preset target regulation temperature, M-preset air quality inside the automobile, K-preset automobile heat transfer coefficient, M-preset automobile area, T2-running time of the vehicle-mounted air conditioner before a driver reaches the automobile, and S-preset maximum refrigerating power of the vehicle-mounted air conditioner;

the air conditioner controller is used for determining the starting time point of the vehicle-mounted air conditioner running at the preset maximum refrigerating power of the vehicle-mounted air conditioner according to the calculated running time of the vehicle-mounted air conditioner before the driver arrives at the automobile and the time point of the driver arriving at the automobile, and setting the time period from the starting time point to the time point of the driver arriving at the automobile as the running time period of the vehicle-mounted air conditioner;

the air conditioner controller is used for judging whether the current time is in the vehicle-mounted air conditioner operation time period or not, if not, the vehicle-mounted air conditioner is controlled not to be started, and if yes, the vehicle-mounted air conditioner is controlled to operate at the preset maximum refrigerating power of the vehicle-mounted air conditioner.

Further, the preset time is 15-20 min, and the preset target adjusting temperature is 22-25 ℃.

The invention has the beneficial effects that: when the time that a driver arrives at an automobile is long, the air conditioner controller collects the temperature inside the automobile and the temperature outside the automobile in real time for a short time, the radiant heat of the sunlight entering the automobile in unit time is calculated according to the collected temperature inside the automobile, the temperature outside the automobile and a preset estimation formula of the radiant heat inside the automobile and outside the automobile, the running time of the vehicle-mounted air conditioner before the driver arrives at the automobile is calculated according to the radiant heat of the sunlight entering the automobile in unit time, the temperature inside and outside the automobile, the preset maximum refrigerating power of the vehicle-mounted air conditioner and the preset estimation formula of the running time of the vehicle-mounted air conditioner, the vehicle-mounted air conditioner is controlled to run at the maximum refrigerating power of the vehicle-mounted air conditioner at a corresponding time point, the temperature inside the automobile is just near the preset target regulation temperature when the driver gets on the automobile, the running time of the vehicle-mounted air conditioner before the driver gets on the automobile is greatly reduced, and, the situation that the actual operation energy consumption of the vehicle-mounted air conditioner is increased due to the fact that the vehicle-mounted air conditioner controls the temperature in the vehicle to reach the preset target adjusting temperature too early or the situation that a driver cannot enjoy comfortable temperature when getting on the vehicle due to the fact that the vehicle-mounted air conditioner controls the temperature in the vehicle to reach the preset target adjusting temperature too late is avoided, and the comfortable experience of the driver is greatly improved.

Drawings

Fig. 1 is a structural block diagram of a remote control system of a new energy electric vehicle air conditioner.

Detailed Description

The invention is explained in further detail below with reference to specific embodiments and with reference to the drawings.