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CN-121989635-A - Control system and control method for automatic ventilation of vehicle

CN121989635ACN 121989635 ACN121989635 ACN 121989635ACN-121989635-A

Abstract

The invention relates to a control system and a control method for automatic ventilation of a vehicle. The system comprises a mode button, a rainfall sensor and/or wiper detection module, a vehicle speed sensor, an air conditioning control system and an automatic ventilation controller, wherein the automatic ventilation controller determines whether an automatic ventilation mode is started according to operation received by the mode button, determines whether the outside of a vehicle is rained according to the rainfall of the outside of the vehicle detected by the rainfall sensor and/or the running state of the wiper detected by the wiper detection module, determines whether the vehicle speed is within a preset range according to the vehicle speed detected by the vehicle speed sensor, determines whether the temperature inside the vehicle is close to the set temperature according to the temperature inside the vehicle detected by the air conditioning control system and the received set temperature, and controls the vehicle to ventilate when the automatic ventilation mode is determined to be started, the outside of the vehicle is not rained and the vehicle speed is within the preset range and the temperature inside the vehicle is close to the set temperature. The invention can realize automatic ventilation of the vehicle.

Inventors

  • PEI CHONGLI
  • LI MINGZHE
  • SUN XUQIANG

Assignees

  • 现代自动车株式会社
  • 起亚株式会社

Dates

Publication Date
20260508
Application Date
20241105

Claims (18)

  1. 1. A control system for automatic ventilation of a vehicle, comprising: a mode button configured to accept a user's operation of turning on or off the automatic ventilation mode; At least one of a rain sensor configured to detect a rain amount outside a vehicle and a wiper detection module configured to detect a wiper running state; a vehicle speed sensor configured to detect a vehicle speed; An air conditioning control system configured to receive a set temperature input by a user and detect a vehicle interior temperature; An automatic ventilation controller configured to: Determining whether an automatic ventilation mode is started according to the operation received by the mode button; determining whether the outside of the vehicle is rained according to at least one of the amount of rain outside the vehicle detected by the rain amount sensor and the running state of the wiper detected by the wiper detection module; determining whether the vehicle speed is within a preset range according to the vehicle speed detected by the vehicle speed sensor; determining whether the vehicle interior temperature is close to the set temperature according to the vehicle interior temperature detected by the air-conditioning control system and the set temperature received by the air-conditioning control system; when the automatic ventilation mode is determined to be on, the outside of the vehicle is not rained, the vehicle is controlled to ventilate when the vehicle speed is within a preset range and the temperature inside the vehicle is close to the set temperature.
  2. 2. The vehicle automatic ventilation control system of claim 1, wherein the automatic ventilation controller is configured to: Determining whether the vehicle speed is greater than or equal to a preset first reference speed in the process of determining whether the vehicle speed is within a preset range; when the vehicle speed is less than the preset first reference speed, determining that the vehicle speed is within the preset range.
  3. 3. The vehicle automatic ventilation control system of claim 1, wherein the automatic ventilation controller is configured to: calculating an absolute value of a difference between the vehicle interior temperature and the set temperature in determining whether the vehicle interior temperature is close to the set temperature; determining whether an absolute value of a difference between the calculated vehicle interior temperature and the set temperature is less than or equal to a threshold value; When the absolute value of the difference between the calculated vehicle interior temperature and the set temperature is less than or equal to the threshold value, it is determined that the vehicle interior temperature is close to the set temperature.
  4. 4. The vehicle automatic ventilation control system of claim 1, wherein the preset range is divided into at least two sub-ranges, the automatic ventilation controller being configured to: After determining that the vehicle speed is within the preset range, determining whether the internal temperature of the vehicle is close to the set temperature or not, and determining a sub-range in which the vehicle speed is located; in the process of controlling the vehicle to ventilate, a control instruction for opening the sunroof to a preset opening degree is transmitted, and in different sub-ranges, the preset opening degree of the sunroof when the vehicle speed is relatively large is smaller than the preset opening degree of the sunroof when the vehicle speed is relatively small.
  5. 5. The vehicle automatic ventilation control system of claim 4, wherein the automatic ventilation controller is configured to: after a control instruction for enabling the skylight to be opened to a preset opening degree is sent, determining whether preset time is elapsed after the skylight is opened, and when the fact that the preset time is elapsed after the skylight is opened is determined, sending the control instruction for enabling the skylight to be closed; wherein the preset time for which the sunroof is opened when the vehicle speed is relatively large is less than the preset time for which the sunroof is opened when the vehicle speed is relatively small.
  6. 6. The vehicle automatic ventilation control system of claim 1, wherein the ventilation controller is configured to: determining whether the outside of the vehicle is rained according to at least one of the amount of rain outside the vehicle detected by the rain amount sensor and the running state of the wiper detected by the wiper detection module; when it is determined that the outside of the vehicle is not rained, determining whether an automatic ventilation mode is on according to the operation received by the mode button; When the automatic ventilation mode is determined to be started, determining whether the vehicle speed is greater than or equal to a preset first reference speed; When it is determined that the vehicle speed is less than a preset first reference speed, determining whether the vehicle speed is greater than or equal to a preset second reference speed, and the second reference speed is less than the first reference speed; when the vehicle speed is determined to be greater than or equal to a preset second reference speed, calculating an absolute value of a difference value between the vehicle internal temperature detected by the air conditioner control system and the set temperature received by the air conditioner control system; determining whether an absolute value of a difference between the calculated vehicle interior temperature and the set temperature is less than or equal to a threshold value; When the absolute value of the difference between the calculated vehicle interior temperature and the set temperature is smaller than or equal to a threshold value, a control instruction for enabling the skylight to be opened to a first preset opening degree is sent; determining whether a first preset time passes after the skylight is opened; When the fact that the skylight is opened and the first preset time is passed is determined, a control instruction for enabling the skylight to be closed is sent; When it is determined that the vehicle speed is less than a preset second reference speed, determining whether the vehicle speed is greater than or equal to a preset third reference speed, and the third reference speed is less than the second reference speed; when the vehicle speed is determined to be greater than or equal to a preset third reference speed, calculating an absolute value of a difference value between the vehicle internal temperature detected by the air conditioner control system and the set temperature received by the air conditioner control system; determining whether an absolute value of a difference between the calculated vehicle interior temperature and the set temperature is less than or equal to a threshold value; when the absolute value of the difference between the calculated vehicle interior temperature and the set temperature is less than or equal to a threshold value, a control instruction for opening the sunroof to a second preset opening is sent, and the second preset opening is larger than the first preset opening; Determining whether a second preset time passes after the skylight is opened, wherein the second preset time is longer than the first preset time; When the fact that the skylight is opened and the second preset time is passed is determined, a control instruction for enabling the skylight to be closed is sent; When it is determined that the vehicle speed is less than a preset third reference speed, determining whether the vehicle speed is greater than or equal to a preset fourth reference speed, and the fourth reference speed is less than the third reference speed; when the vehicle speed is determined to be greater than or equal to a preset fourth reference speed, calculating an absolute value of a difference value between the vehicle internal temperature detected by the air conditioner control system and the set temperature received by the air conditioner control system; determining whether an absolute value of a difference between the calculated vehicle interior temperature and the set temperature is less than or equal to a threshold value; When the absolute value of the difference between the calculated vehicle interior temperature and the set temperature is smaller than or equal to a threshold value, a control instruction for enabling the skylight to be opened to a third preset opening degree is sent; determining whether a third preset time passes after the skylight is opened, wherein the third preset time is longer than the second preset time; When the fact that the skylight is opened and the third preset time is passed is determined, a control instruction for enabling the skylight to be closed is sent; when the vehicle speed is determined to be smaller than a preset fourth reference speed, calculating an absolute value of a difference value between the vehicle internal temperature detected by the air conditioner control system and the set temperature received by the air conditioner control system; determining whether an absolute value of a difference between the calculated vehicle interior temperature and the set temperature is less than or equal to a threshold value; when the absolute value of the difference between the calculated vehicle interior temperature and the set temperature is less than or equal to a threshold value, a control instruction for opening the sunroof to a fourth preset opening is sent, and the fourth preset opening is larger than the third preset opening; Determining whether a fourth preset time passes after the skylight is opened, wherein the fourth preset time is longer than the third preset time; and when the fact that the skylight is opened and the fourth preset time is passed is determined, a control instruction for enabling the skylight to be closed is sent.
  7. 7. The vehicle automatic ventilation control system of claim 1, wherein the automatic ventilation controller is configured to: And in the process of controlling the vehicle to ventilate, sending a control instruction for enabling the defrosting function.
  8. 8. The vehicle automatic ventilation control system of claim 7, wherein the air conditioning control system is configured to: Determining whether the current defogging function is on or not under the condition that a control instruction for enabling the defogging function to operate is received from the automatic ventilation controller; When the current defogging function is determined to be started, the defogging function is kept to operate at the current wind speed; when it is determined that the current defogging function is not on, the defogging function is controlled to be on and the defogging function is operated at a medium wind speed.
  9. 9. A control method for automatic ventilation of a vehicle, comprising the steps of: Accepting a user operation of turning on or off the automatic ventilation mode by a mode button; detecting an external rainfall of the vehicle by a rainfall sensor; Detecting the running state of the wiper by a wiper detection module; Detecting a vehicle speed by a vehicle speed sensor; Receiving, by an air conditioning control system, a set temperature input by a user, and detecting a vehicle interior temperature; Determining, by the automatic ventilation controller, whether an automatic ventilation mode is on according to an operation received by the mode button, whether the outside of the vehicle is rained according to at least one of an external rainfall of the vehicle detected by the rainfall sensor and a running state of the wiper detected by the wiper detection module, whether the vehicle speed is within a preset range according to a vehicle speed detected by the vehicle speed sensor, and whether the vehicle internal temperature is close to the set temperature according to a vehicle internal temperature detected by the air-conditioning control system and a set temperature received by the air-conditioning control system; When the automatic ventilation mode is determined to be on, the outside of the vehicle is not rained, the vehicle speed is within a preset range, and the temperature inside the vehicle is close to the set temperature, and the automatic ventilation controller controls the vehicle to ventilate.
  10. 10. The method for controlling automatic ventilation of a vehicle according to claim 9, wherein the step of determining, by the automatic ventilation controller, that the automatic ventilation mode is on, that there is no rain outside the vehicle, that the vehicle speed is within a preset range, and that the vehicle interior temperature is close to the set temperature comprises: Determining, by the automatic ventilation controller, whether the outside of the vehicle is rained according to at least one of an external rainfall of the vehicle detected by the rainfall sensor and a running state of the wiper detected by the wiper detection module; When it is determined that the outside of the vehicle is not rained, determining, by the automatic ventilation controller, whether the automatic ventilation mode is on according to the operation received by the mode button; When the automatic ventilation mode is determined to be started, determining whether the vehicle speed is within a preset range or not by the automatic ventilation controller according to the vehicle speed detected by the vehicle speed sensor; when the vehicle speed is determined to be within the preset range, determining, by the automatic ventilation controller, whether the vehicle interior temperature is close to the set temperature according to the vehicle interior temperature detected by the air conditioning control system and the set temperature received by the air conditioning control system; when it is determined that the temperature of the interior of the vehicle is close to the set temperature, the automatic ventilation controller controls the vehicle to ventilate.
  11. 11. The method for controlling automatic ventilation of a vehicle according to claim 10, wherein the step of determining, by the automatic ventilation controller, whether the vehicle speed is within a preset range comprises: Determining, by the automatic ventilation controller, whether the vehicle speed detected by the vehicle speed sensor is greater than or equal to a preset first reference speed; When the vehicle speed is less than a preset first reference speed, the automatic ventilation controller determines that the vehicle speed is within a preset range.
  12. 12. The method for controlling automatic ventilation of a vehicle according to claim 11, wherein after the automatic ventilation controller determines that the vehicle speed is within the preset range, the automatic ventilation controller includes the steps of dividing the preset range into at least two sub-ranges, determining the sub-range in which the vehicle speed is located, before determining whether the vehicle interior temperature is close to the set temperature; the step of controlling the vehicle to be ventilated by the automatic ventilation controller includes: a control instruction for opening the sunroof to a preset opening degree is transmitted by the automatic ventilation controller, and in the different sub-ranges, the preset opening degree of the sunroof when the vehicle speed is relatively large is smaller than the preset opening degree of the sunroof when the vehicle speed is relatively small.
  13. 13. The control method of automatic ventilation of a vehicle according to claim 12, wherein the step of transmitting, by the automatic ventilation controller, a control instruction to open the sunroof to a preset opening degree includes: after the automatic ventilation controller determines that the vehicle speed is less than a preset first reference speed, determining, by the automatic ventilation controller, whether the vehicle speed is greater than or equal to a preset second reference speed, and the second reference speed is less than the first reference speed; When the vehicle speed is determined to be greater than or equal to a preset second reference speed, determining, by the automatic ventilation controller, whether the vehicle interior temperature is close to the set temperature; When the temperature in the vehicle is determined to be close to the set temperature, a control instruction for enabling the skylight to be opened to a first preset opening degree is sent by the automatic ventilation controller; When the vehicle speed is determined to be less than a preset second reference speed, determining, by the automatic ventilation controller, whether the vehicle speed is greater than or equal to a preset third reference speed, and the third reference speed is less than the second reference speed; when it is determined that the vehicle speed is greater than or equal to a preset third reference speed, determining, by the automatic ventilation controller, whether the vehicle interior temperature is close to the set temperature; when the temperature inside the vehicle is determined to be close to the set temperature, a control instruction for enabling the skylight to be opened to a second preset opening degree is sent by the automatic ventilation controller, and the second preset opening degree is larger than the first preset opening degree; when it is determined that the vehicle speed is less than a preset third reference speed, determining, by the automatic ventilation controller, whether the vehicle speed is greater than or equal to a preset fourth reference speed, and the fourth reference speed is less than the third reference speed; When it is determined that the vehicle speed is greater than or equal to a preset fourth reference speed, determining, by the automatic ventilation controller, whether the vehicle interior temperature is close to the set temperature; When it is determined that the temperature inside the vehicle is close to the set temperature, a control instruction for opening the sunroof to a third preset opening degree is sent by the automatic ventilation controller, and the third preset opening degree is larger than the second preset opening degree; when the vehicle speed is determined to be smaller than a preset fourth reference speed, determining, by the automatic ventilation controller, whether the vehicle interior temperature is close to the set temperature; When it is determined that the vehicle interior temperature is close to the set temperature, a control instruction for opening the sunroof to a fourth preset opening is transmitted by the automatic ventilation controller, and the fourth preset opening is larger than the third preset opening.
  14. 14. The method for controlling automatic ventilation of a vehicle according to claim 13, wherein the step of determining, by the automatic ventilation controller, whether the vehicle interior temperature is close to the set temperature comprises: Calculating, by the automatic ventilation controller, an absolute value of a difference between the vehicle interior temperature detected by the air conditioning control system and the set temperature received by the air conditioning control system; Determining, by the automatic ventilation controller, whether an absolute value of a difference between the calculated vehicle interior temperature and the set temperature is less than or equal to a threshold; when the absolute value of the difference between the calculated vehicle interior temperature and the set temperature is less than or equal to the threshold value, it is determined by the automatic ventilation controller that the vehicle interior temperature is close to the set temperature.
  15. 15. The method for controlling automatic ventilation of a vehicle according to claim 13, wherein the step of controlling ventilation of the vehicle by the automatic ventilation controller comprises: After a control instruction for enabling the skylight to be opened to a preset opening degree is sent, determining whether preset time is elapsed after the skylight is opened or not by the automatic ventilation controller, and when the preset time is determined to be elapsed after the skylight is opened, sending the control instruction for enabling the skylight to be closed by the automatic ventilation controller; wherein in the different sub-ranges the preset time for sunroof opening when the vehicle speed is relatively large is smaller than the preset time for sunroof opening when the vehicle speed is relatively small.
  16. 16. The method for controlling automatic ventilation of a vehicle according to claim 15, wherein the step of transmitting a control command for closing the sunroof by the automatic ventilation controller comprises: After the automatic ventilation controller sends a control instruction for enabling the skylight to be opened to a first preset opening degree, the automatic ventilation controller determines whether a first preset time is elapsed after the skylight is opened, and when the first preset time is elapsed after the skylight is determined to be opened, the automatic ventilation controller sends a control instruction for enabling the skylight to be closed; After the automatic ventilation controller sends a control instruction for enabling the skylight to be opened to a second preset opening degree, the automatic ventilation controller determines whether a second preset time is elapsed after the skylight is opened, the second preset time is longer than the first preset time, and when the fact that the skylight is opened and the second preset time is elapsed is determined, the automatic ventilation controller sends a control instruction for enabling the skylight to be closed; after the automatic ventilation controller sends a control instruction for enabling the skylight to be opened to a third preset opening degree, determining whether the third preset time is elapsed after the skylight is opened, wherein the third preset time is longer than the second preset time, and when the third preset time is elapsed after the skylight is determined to be opened, sending a control instruction for enabling the skylight to be closed by the automatic ventilation controller; After the automatic ventilation controller sends a control instruction for enabling the skylight to be opened to a fourth preset opening degree, determining whether the fourth preset time is elapsed after the skylight is opened, wherein the fourth preset time is longer than the third preset time, and when the fact that the fourth preset time is elapsed after the skylight is opened is determined, sending the control instruction for enabling the skylight to be closed by the automatic ventilation controller.
  17. 17. The method for controlling automatic ventilation of a vehicle according to claim 9, wherein the step of controlling ventilation of the vehicle by the automatic ventilation controller comprises: And sending a control instruction for enabling the defrosting function by the automatic ventilation controller.
  18. 18. The control method of automatic ventilation of a vehicle according to claim 17, further comprising the step of: under the condition that the air conditioner control system receives a control instruction for enabling the defogging function to operate from the automatic ventilation controller, the air conditioner control system determines whether the current defogging function is started or not; when the current defogging function is determined to be started, the defogging function is kept to operate at the current wind speed by the air conditioner control system; When it is determined that the current defogging function is not on, the defogging function is controlled to be on by the air conditioner control system and operated at a medium wind speed.

Description

Control system and control method for automatic ventilation of vehicle Technical Field The invention relates to the technical field of vehicle control, in particular to a control system and a control method for automatic ventilation of a vehicle. Background With the increasing technology of vehicles, consumers are increasingly demanding performance in all aspects of the vehicle. The quality of the air in the vehicle interior is also a consumer demand for comfort. The vehicle interior air quality becomes an intuitive experience for the occupants and can directly affect the mood of the occupants. The ventilation mode of the prior art is mainly realized through the manual operation of an air conditioner, a skylight and a car window, however, the manual operation of a driver can cause inconvenience in operation and even increase driving risks. Accordingly, there is a need for a control system and control method for automatic ventilation of a vehicle. The above description of the background is only for the purpose of facilitating a thorough understanding of the present invention's aspects (in terms of the means of technology used, the technical problems solved, and the technical effects produced, etc.) and should not be taken as an acknowledgement or any form of suggestion that this message constitutes prior art that is already known to a person skilled in the art. Disclosure of Invention An object of the present invention is to provide a control system and a control method for automatic ventilation of a vehicle, which can automatically introduce fresh air into the interior of the vehicle and discharge low-quality air from the interior of the vehicle. According to one embodiment of the present invention, there is provided a control system for automatic ventilation of a vehicle, including a mode button configured to accept an operation of turning on or off an automatic ventilation mode by a user, at least one of a rain sensor configured to detect a rain outside the vehicle and a wiper detection module configured to detect a wiper running state, a vehicle speed sensor configured to detect a vehicle speed, an air conditioning control system configured to receive a set temperature input by the user and detect a vehicle interior temperature, an automatic ventilation controller configured to determine whether the automatic ventilation mode is on according to an operation received by the mode button, determine whether the vehicle outside is raining according to at least one of the rain outside the vehicle detected by the rain sensor and the wiper running state detected by the wiper detection module, determine whether the vehicle speed is within a preset range according to the vehicle speed detected by the vehicle speed sensor, determine whether the vehicle interior temperature is close to the set temperature according to the vehicle interior temperature detected by the air conditioning control system and the set temperature received by the air conditioning control system, and control the vehicle interior temperature is close to the set temperature when the vehicle outside the vehicle is not set within the preset range and the vehicle interior temperature is not set to the vehicle inside the vehicle. The automatic ventilation controller may be configured to determine whether the vehicle speed is greater than or equal to a preset first reference speed in determining whether the vehicle speed is within a preset range, and determine that the vehicle speed is within the preset range when the vehicle speed is less than the preset first reference speed. The automatic ventilation controller may be configured to calculate an absolute value of a difference between the vehicle interior temperature and the set temperature in determining whether the vehicle interior temperature is close to the set temperature, determine whether the calculated absolute value of the difference between the vehicle interior temperature and the set temperature is less than or equal to a threshold, and determine that the vehicle interior temperature is close to the set temperature when the calculated absolute value of the difference between the vehicle interior temperature and the set temperature is less than or equal to the threshold. The preset range may be divided into at least two sub-ranges, and the automatic ventilation controller may be configured to determine a sub-range in which the vehicle speed is located before determining whether the vehicle interior temperature is close to the set temperature after determining that the vehicle speed is within the preset range, to transmit a control instruction to open the sunroof to the preset opening degree during controlling the vehicle to ventilate, and to have the preset opening degree of the sunroof smaller than the preset opening degree of the sunroof when the vehicle speed is relatively large in the different sub-ranges. The automatic ventilation controller may be configured to determine whether a pr