CN113561864A - Automobile seat ventilation heating control system and method - Google Patents
Automobile seat ventilation heating control system and method Download PDFInfo
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- CN113561864A CN113561864A CN202010349632.4A CN202010349632A CN113561864A CN 113561864 A CN113561864 A CN 113561864A CN 202010349632 A CN202010349632 A CN 202010349632A CN 113561864 A CN113561864 A CN 113561864A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 250
- 238000009423 ventilation Methods 0.000 title claims abstract description 248
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000001514 detection method Methods 0.000 claims description 4
- 238000004378 air conditioning Methods 0.000 claims 1
- 206010053615 Thermal burn Diseases 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/56—Heating or ventilating devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/56—Heating or ventilating devices
- B60N2/5607—Heating or ventilating devices characterised by convection
- B60N2/5621—Heating or ventilating devices characterised by convection by air
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/56—Heating or ventilating devices
- B60N2/5678—Heating or ventilating devices characterised by electrical systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/56—Heating or ventilating devices
- B60N2/5678—Heating or ventilating devices characterised by electrical systems
- B60N2/5685—Resistance
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses a ventilation and heating control system and a method for an automobile seat, wherein the ventilation and heating control system for the automobile seat comprises: the vehicle-mounted terminal is used for receiving a remote control instruction for ventilating and heating the seat; and the seat ventilation and heating control device is used for starting or closing the seat ventilation and heating according to the remote control instruction forwarded by the vehicle-mounted terminal, and starting the corresponding ventilation and heating gear according to the acquired seat surface temperature and/or the temperatures inside and outside the vehicle when the seat ventilation and heating is started. According to the intelligent vehicle seat, the remote control of ventilation and heating of the seat is realized through intelligent network connection, the seat can be heated remotely in advance in winter, the temperature of the seat can be adjusted in advance, the vehicle can be driven immediately after a vehicle owner enters the door, the seat is not required to be too cold in winter, and the comfort of the seat is greatly improved; summer can be long-range ventilation in advance, has adjusted the seat temperature in advance, makes things convenient for the car owner to drive at once after entering the door, need not worry summer seat too scald, improves the seat travelling comfort greatly.
Description
Technical Field
The invention belongs to the technical field of automobile electronic control, and particularly relates to an automobile seat ventilation heating system and a remote control system and method thereof.
Background
Conventional seat ventilation heating system adopts mechanical switch button or well accuse navigation touch soft switch to control seat ventilation heating mostly, and these schemes can only be in the car owner gets into the interior back and can operate ventilation heating function, and when the car owner was outside or when the family, unable remote control seat ventilation heating for practicality and the convenience greatly reduced of seat when seasonal variation, for example: in summer, the vehicle owner enters the vehicle and cannot sit down to drive the vehicle immediately due to too hot seats; in winter, the vehicle owner can not sit down to drive immediately when entering the vehicle and the seat is too cold.
Disclosure of Invention
The technical problem to be solved by the embodiment of the invention is to provide a ventilation and heating control system and method for an automobile seat, so as to realize intelligent network connection and remote control of the ventilation and heating function of the automobile seat.
In order to solve the above technical problem, the present invention provides a ventilation and heating control system for an automobile seat, comprising:
the vehicle-mounted terminal is used for receiving a remote control instruction for ventilating and heating the seat;
and the seat ventilation and heating control device is used for starting or closing the seat ventilation and heating according to the remote control instruction forwarded by the vehicle-mounted terminal, and starting the corresponding ventilation and heating gear according to the acquired seat surface temperature and/or the temperatures inside and outside the vehicle when the seat ventilation and heating is started.
The seat ventilation heating control device is specifically used for acquiring a seat heating opening instruction from a CAN bus, and driving and outputting a control seat heating wire in a PWM mode to perform seat heating.
If it keeps off the position not including heating in the seat heating instruction to open, seat ventilation heating controlling means drives output control seat heater strip with 100% PWM according to highest fender position, acquires the seat surface temperature that seat temperature sensor gathered in real time in the drive process, with the lowest fender position output 30% PWM control seat heater strip after reaching the first temperature threshold value of settlement.
The seat ventilation and heating control device is specifically used for acquiring a seat ventilation opening instruction from a CAN bus, and driving and outputting a seat ventilation motor in a PWM (pulse-width modulation) mode to execute seat ventilation.
If the ventilation gear is not included in the seat opening ventilation instruction, the seat ventilation heating control device drives and outputs a control seat ventilation motor according to the highest gear by 100% PWM, obtains the surface temperature of the seat collected by the seat temperature sensor in real time in the driving process, and outputs 30% PWM to control the seat ventilation motor according to the lowest gear after the set second temperature threshold is reached.
The seat ventilation and heating control device is further used for acquiring a detection signal of the wireless key receiving control module from the CAN bus to judge whether an automobile owner enters the automobile or not, and if the time for opening the seat for heating or the time for ventilating the seat exceeds the set time, the automobile owner does not enter the automobile, the seat is closed for heating or the seat for ventilating.
The seat ventilation and heating control device is specifically used for acquiring an automatic ventilation and heating opening instruction from a CAN bus, and starting seat heating or seat ventilation according to the temperature inside and outside the vehicle, which is acquired by the air conditioner controller.
Wherein if the outside temperature of the vehicle is less than a third temperature threshold, the seat ventilation heating control device will activate the seat heating function; if the temperature in the vehicle is lower than a fourth temperature threshold value, the seat ventilation heating control device drives and outputs a control seat heating wire according to the 3 rd gear and 100% PWM; if the temperature in the vehicle is higher than a fourth temperature threshold and lower than a fifth temperature threshold, the seat ventilation and heating control device drives and outputs a control seat heating wire according to the 2 nd gear by 70% PWM; if the temperature in the vehicle is higher than a fifth temperature threshold and lower than a sixth temperature threshold, the seat ventilation and heating control device drives and outputs a control seat heating wire according to the 1 st gear by 30% PWM; and if the temperature in the vehicle is higher than the sixth temperature threshold value, the seat ventilation heating control device closes the seat heating function.
Wherein if the outside temperature of the vehicle is greater than a seventh temperature threshold, the seat ventilation heating control device will activate the seat ventilation function; if the temperature in the vehicle is higher than the eighth temperature threshold value, the seat ventilation heating control device drives and outputs 100% PWM according to the 3 rd gear to control a seat ventilation motor; if the temperature in the vehicle is smaller than the eighth temperature threshold and larger than the ninth temperature threshold, the seat ventilation heating control device drives and outputs 70% PWM to control a seat ventilation motor according to the 2 nd gear; if the temperature in the vehicle is greater than a tenth temperature threshold and less than a ninth temperature threshold, the seat ventilation heating control device drives and outputs 30% PWM to control a seat ventilation motor according to the 1 st gear; and if the temperature in the vehicle is lower than the eleventh temperature threshold value, the seat ventilation heating control device closes the seat ventilation function.
When the seat ventilation and heating control device executes seat heating, if a seat ventilation opening instruction is acquired from a CAN bus, the seat heating is closed firstly, and then the seat ventilation motor is driven and output to be controlled in a PWM mode to execute seat ventilation; when the seat ventilation and heating control device executes seat ventilation, if a seat heating opening instruction is acquired from the CAN bus, the seat ventilation is firstly closed, and then the seat heating wire is driven and output to control the seat heating wire in a PWM mode to execute seat heating.
The invention also provides a ventilation and heating control method for the automobile seat, which comprises the following steps:
step S1, receiving a remote control instruction for ventilating and heating the seat;
and step S2, the ventilation heating of the seat is turned on or off according to the received remote control instruction, and corresponding ventilation heating gears are started according to the acquired surface temperature of the seat and/or the temperatures inside and outside the vehicle when the ventilation heating of the seat is turned on.
If the received seat opening heating instruction does not include a heating gear, the seat heating wire is driven and output to control the seat heating wire according to the highest gear by 100% PWM, the seat surface temperature collected by the seat temperature sensor is obtained in real time in the driving process, and the seat heating wire is controlled by outputting 30% PWM at the lowest gear after the set first temperature threshold is reached.
If the received seat opening ventilation instruction does not include a ventilation gear, the seat ventilation motor is driven and output to control the seat ventilation motor according to the highest gear by 100% PWM, the surface temperature of the seat collected by the seat temperature sensor is obtained in real time in the driving process, and the seat ventilation motor is output to control the seat ventilation motor by 30% PWM according to the lowest gear after the set second temperature threshold is reached.
If the temperature outside the vehicle is less than the third temperature threshold value, the seat heating function is started; if the temperature in the vehicle is lower than a fourth temperature threshold value, driving and outputting a seat heating wire according to 3 rd gear by 100% PWM; if the temperature in the vehicle is higher than a fourth temperature threshold and lower than a fifth temperature threshold, driving and outputting a seat heating wire according to the 2 nd gear by 70% PWM; if the temperature in the vehicle is greater than a fifth temperature threshold and less than a sixth temperature threshold, driving and outputting a seat heating wire by 30% PWM according to the 1 st gear; and if the temperature in the vehicle is greater than the sixth temperature threshold value, the seat heating function is closed.
If the temperature outside the vehicle is greater than the seventh temperature threshold value, the seat ventilation function is started; if the temperature in the vehicle is higher than the eighth temperature threshold value, the seat ventilation motor is driven and output to control by 100% PWM according to the 3 rd gear; if the temperature in the vehicle is smaller than the eighth temperature threshold and larger than the ninth temperature threshold, driving and outputting 70% PWM according to the 2 nd gear to control a seat ventilation motor; if the temperature in the vehicle is greater than a tenth temperature threshold and less than a ninth temperature threshold, driving and outputting 30% PWM according to the 1 st gear to control a seat ventilation motor; and if the temperature in the vehicle is less than the eleventh temperature threshold value, closing the seat ventilation function.
The implementation of the invention has the following beneficial effects: the intelligent network connection is adopted, so that the ventilation and heating of the seat can be remotely controlled, the seat can be remotely heated in advance in winter, the temperature of the seat can be adjusted in advance, the vehicle can be driven immediately after a vehicle owner enters the door, the seat is not required to be too cold in winter, and the comfort of the seat is greatly improved; the remote ventilation can be carried out in advance in summer, the temperature of the seat is adjusted in advance, the vehicle can be driven immediately after a vehicle owner enters the door, the seat is not required to be burnt too much in summer, and the comfort of the seat is greatly improved; the existing CAN information on the vehicle is used for interactive control, so that the cost is greatly saved, and the structure is simple.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a ventilation and heating control system for a vehicle seat according to an embodiment of the present invention.
Fig. 2 is a schematic view of a control panel of a remote control terminal according to an embodiment of the present invention.
Fig. 3 is a schematic flow chart of a ventilation and heating control method for an automobile seat according to a second embodiment of the present invention.
Detailed Description
The following description of the embodiments refers to the accompanying drawings, which are included to illustrate specific embodiments in which the invention may be practiced.
Referring to fig. 1, a ventilation and heating control system for a vehicle seat according to an embodiment of the present invention includes:
the vehicle-mounted terminal is used for receiving a remote control instruction for ventilating and heating the seat;
and the seat ventilation and heating control device is used for starting or closing the seat ventilation and heating according to the remote control instruction forwarded by the vehicle-mounted terminal, and starting the corresponding ventilation and heating gear according to the acquired seat surface temperature and/or the temperatures inside and outside the vehicle when the seat ventilation and heating is started.
Specifically, remote control instruction sends by the remote control terminal of car owner control in this implementation, and remote control terminal is the cell-phone usually, sends the remote control instruction of seat ventilation heating through the APP who installs on the cell-phone, and its control panel schematic diagram is shown in fig. 2, and operating button or button wherein include: 1. turning on and off the "heating" function; 2. opening and closing of the "ventilation" function; 3. 1, 2 and 3 gears of the heating gear; 4. 1, 2 and 3 gears of the ventilation gear; 5. the automatic function of 'ventilation heating'. The vehicle owner triggers the corresponding remote control instruction by clicking the button or the key. The remote control instruction can be directly sent to the vehicle-mounted terminal, or can be sent to the cloud server firstly, and then forwarded to the vehicle-mounted terminal by the cloud server.
The vehicle-mounted terminal can be in network communication with each system in the vehicle, has the capability of connecting with a mobile network and can provide a storage space, such as a T-BOX (T-Box) in a common mode. After receiving a remote control instruction which is sent by a remote control terminal or transferred by a cloud server and used for ventilating and heating seats, the vehicle-mounted terminal sends the remote control instruction to a CAN bus; the seat ventilation and heating control device obtains the remote control instruction from the CAN bus, and then performs corresponding control according to the remote control instruction. The seat heating and ventilation control by different remote control commands will be described below.
Seat heating
When the remote control command acquired by the seat ventilation and heating control device from the CAN bus is a seat heating opening command, the seat heating wire is driven and output to control through a PWM mode, wherein 30% PWM is used for 1 gear, 70% PWM is used for 2 gear, 100% PWM is used for 3 gear, and the default gear for opening seat heating is 3 gear. The higher the gear, the more heat is generated by the seat heater wire, which increases the temperature of the seat surface more quickly. As an example, 1 st gear heating may bring the seat surface and back to at least 36 ℃, 2 nd gear heating may bring the seat surface and back to at least 40 ℃, and 3 rd gear heating may bring the seat surface and back to at least 44 ℃.
If the owner only clicks the heating opening button and does not synchronously select the gear, the seat ventilation and heating control device firstly presses the default 3 rd gear and drives the output to control the seat heating wire by 100% PWM. The seat ventilation heating control device also acquires the surface temperature of the seat collected by the seat temperature sensor in real time in the driving process, and outputs 30% PWM (pulse width modulation) to control the seat heating wire at the lowest gear (1 st gear) after the set first temperature threshold is reached, so that the electric energy can be saved in the process of waiting for a vehicle owner. Further, if the vehicle owner does not enter the vehicle for more than the set time after the heating is turned on, the seat ventilation heating control device will turn off the heating function. Whether a vehicle owner enters the vehicle is detected by the wireless key receiving control module PEPS, and then a detection signal is transmitted to the seat ventilation and heating control device through the CAN bus to be judged.
If the owner clicks the heating opening button and synchronously selects a gear, the seat ventilation and heating control device drives the output to control the seat heating wire according to the selected gear. Likewise, if the vehicle owner does not enter the vehicle for more than the set time after the heating is turned on, the seat ventilation heating control means will turn off the heating function.
If the heating closing button is clicked after the heating is opened, the seat ventilation heating control device drives and outputs the seat heating wire to be closed according to a seat heating closing instruction acquired by the CAN bus, and the output is in an off state.
(II) seat ventilation
When the remote control command acquired by the seat ventilation and heating control device from the CAN bus is a seat ventilation opening command, the seat ventilation motor is driven and output to control through a PWM mode, 30% PWM is used for 1 gear, 70% PWM is used for 2 gear, 100% PWM is used for 3 gear, and the default gear for opening the seat ventilation is 3 gear. The higher the gear is, the larger the air volume generated by the ventilation motor is, and the faster the temperature on the surface of the seat can be brought away. The scheme of the air conditioner in the car of opening in present long-range can make the interior temperature of car reduce to a certain extent, nevertheless can't make seat surface temperature reduce simultaneously, and this embodiment ventilates through the remote control seat, can reduce seat surface temperature fast effectively, remedies the not enough of remote control air conditioner scheme.
If the vehicle owner only clicks the ventilation opening button and does not synchronously select the gear, the seat ventilation and heating control device firstly presses the default 3 rd gear and drives the output to control the seat ventilation motor by 100% PWM. The seat ventilation heating control device also acquires the surface temperature of the seat collected by the seat temperature sensor in real time in the driving process, and outputs 30% PWM (pulse width modulation) to control the seat ventilation motor at the lowest gear (1 st gear) after the set second temperature threshold is reached, so that the electric energy can be saved in the process of waiting for a vehicle owner. Further, if the vehicle owner does not enter the vehicle for more than a set time after the ventilation is turned on, the seat ventilation heating control device will turn off the ventilation function. Whether a vehicle owner enters the vehicle is detected by the wireless key receiving control module PEPS, and then a detection signal is transmitted to the seat ventilation and heating control device through the CAN bus to be judged.
If the car owner clicks the ventilation opening button and synchronously selects a gear, the seat ventilation and heating control device drives and outputs the control seat ventilation motor according to the selected gear. Likewise, if the occupant does not enter the vehicle beyond a set time after the ventilation is turned on, the seat ventilation heating control means will turn off the ventilation function.
If the ventilation closing button is clicked after the ventilation is opened, the seat ventilation heating control device drives and outputs a seat ventilation motor to close the seat ventilation motor according to a seat ventilation closing instruction acquired by the CAN bus, and the output is in an off state.
It should be noted that, in this embodiment, the seat heating function and the seat ventilation function of the same seat are mutually exclusive, and the reason is that when the seat heating function is turned on, the temperature of the seat surface and the temperature of the backrest are raised, so that people can sit up to be warm and comfortable, and if the seat ventilation function is turned on again, the seat ventilation motor drives the fan, so that the heat of the seat surface and the backrest is taken away, and the heating effect is affected; when the seat ventilation function was opened, seat ventilation motor work drove the ventilation fan and rotates, and then blows off the heat of seat surface and back, reduces the temperature of seat, if opens the seat heating again this moment, can make the temperature of seat rise, influences the ventilation effect. Therefore, if the car owner clicks the heating opening button and then clicks the ventilation opening button, the vehicle-mounted terminal receives the seat heating closing instruction and then receives the seat ventilation opening instruction; the seat ventilation heating control device firstly acquires a seat closing heating instruction from the CAN bus, drives and outputs a control seat heating wire, closes the seat heating wire and outputs the seat heating wire in an off state; and then acquiring a seat ventilation opening instruction, and driving and outputting the seat ventilation opening instruction in a PWM mode to control a seat ventilation motor to work, wherein the working mode is as described above. Similarly, if the car owner clicks the ventilation opening button and then clicks the heating opening button, the vehicle-mounted terminal receives a seat ventilation closing instruction and then receives a seat heating opening instruction; the seat ventilation and heating control device firstly acquires a seat ventilation closing instruction from the CAN bus, drives and outputs a control seat ventilation motor, closes the seat ventilation motor and outputs the seat ventilation motor in an off state; and then acquiring a seat opening heating instruction, and driving and outputting the seat heating wire to control the seat heating wire to work in a PWM mode, wherein the working mode is as described above.
(III) automatic ventilation heating
When the remote control instruction that seat ventilation heating control device obtained from the CAN bus is the automatic ventilation heating instruction of opening, will start seat heating or seat ventilation according to the interior, the outer temperature of car that gather. As mentioned above, the seat heating and the seat ventilation are mutually exclusive, and therefore the seat heating and the seat ventilation under the automatic ventilation heating function are also performed independently and separately.
Specifically, if the vehicle exterior temperature is less than the third temperature threshold, the seat heating function will be activated; further, if the temperature in the vehicle is lower than a fourth temperature threshold value, the seat ventilation and heating control device drives and outputs a control seat heating wire according to the 3 rd gear and 100% PWM; if the temperature in the vehicle is higher than a fourth temperature threshold and lower than a fifth temperature threshold, the seat ventilation and heating control device drives and outputs a control seat heating wire according to the 2 nd gear by 70% PWM; if the temperature in the vehicle is higher than a fifth temperature threshold and lower than a sixth temperature threshold, the seat ventilation and heating control device drives and outputs a control seat heating wire according to the 1 st gear by 30% PWM; and if the temperature in the vehicle is greater than the sixth temperature threshold value, the seat heating function is closed.
If the temperature outside the vehicle is greater than the seventh temperature threshold, the seat ventilation function is started; further, if the temperature in the vehicle is greater than an eighth temperature threshold value, the seat ventilation heating control device drives and outputs a control seat ventilation motor according to the 3 rd gear and 100% PWM; if the temperature in the vehicle is smaller than the eighth temperature threshold and larger than the ninth temperature threshold, the seat ventilation heating control device drives and outputs 70% PWM to control a seat ventilation motor according to the 2 nd gear; if the temperature in the vehicle is greater than a tenth temperature threshold and less than a ninth temperature threshold, the seat ventilation heating control device drives and outputs 30% PWM to control a seat ventilation motor according to the 1 st gear; and if the temperature in the vehicle is less than the eleventh temperature threshold value, closing the seat ventilation function.
According to the interior, the outside temperature of car starts seat heating or seat ventilation to adjust according to a plurality of temperature threshold and keep off the position, can realize remote control more intelligently. For example, when the owner clicks the automatic ventilation and heating button, the owner does not know exactly the current environment temperature condition of the vehicle, and therefore the owner gives the vehicle to the seat ventilation and heating control device to control and intelligently adjust the vehicle according to the acquired temperatures inside and outside the vehicle. It CAN be understood that the vehicle air conditioner controller is provided with temperature sensors inside and outside the vehicle, the temperature sensors CAN respectively collect the temperature inside the vehicle and the temperature outside the vehicle, and the collected temperature data is transmitted to the seat ventilation and heating control device through the CAN bus to be controlled.
As an example, the first temperature threshold may be set to 45 ℃, the second temperature threshold may be set to 20 ℃, the third temperature threshold may be set to 12 ℃, the fourth temperature threshold may be set to 18 ℃, the fifth temperature threshold may be set to 25 ℃, the sixth temperature threshold may be set to 30 ℃, the seventh temperature threshold may be set to 30 ℃, the eighth temperature threshold may be set to 35 ℃, the ninth temperature threshold may be set to 30 ℃, the tenth temperature threshold may be set to 25 ℃, and the eleventh temperature threshold may be set to 20 ℃. The ventilation gear or the heating gear can be fed back to the central control navigation, and the ventilation gear or the heating gear icon is synchronously displayed.
In this embodiment, the seat ventilation heating control device also detects the battery voltage, and if the battery voltage is detected to be less than 9V or greater than 16V, the seat ventilation or seat heating function is turned off.
It should be noted that the seat ventilation and heating control device of the present embodiment may control heating or ventilation of different seats respectively, or a dedicated seat ventilation and heating control device may be configured for each seat to perform one-to-one control. Correspondingly, the APP on the mobile phone can also select the corresponding seat, and the functions of heating or ventilation and the like are clicked to be turned on.
Referring to fig. 3, a ventilation and heating control system for a vehicle seat according to a first embodiment of the present invention is provided, and a method for a ventilation and heating control system for a vehicle seat according to a second embodiment of the present invention includes:
step S1, receiving a remote control instruction for ventilating and heating the seat;
and step S2, the ventilation heating of the seat is turned on or off according to the received remote control instruction, and corresponding ventilation heating gears are started according to the acquired surface temperature of the seat and/or the temperatures inside and outside the vehicle when the ventilation heating of the seat is turned on.
If the received seat opening heating instruction does not include a heating gear, the seat heating wire is driven and output to control the seat heating wire according to the highest gear by 100% PWM, the seat surface temperature collected by the seat temperature sensor is obtained in real time in the driving process, and the seat heating wire is controlled by outputting 30% PWM at the lowest gear after the set first temperature threshold is reached.
If the received seat opening ventilation instruction does not include a ventilation gear, the seat ventilation motor is driven and output to control the seat ventilation motor according to the highest gear by 100% PWM, the surface temperature of the seat collected by the seat temperature sensor is obtained in real time in the driving process, and the seat ventilation motor is output to control the seat ventilation motor by 30% PWM according to the lowest gear after the set second temperature threshold is reached.
If the temperature outside the vehicle is less than the third temperature threshold value, the seat heating function is started; if the temperature in the vehicle is lower than a fourth temperature threshold value, driving and outputting a seat heating wire according to 3 rd gear by 100% PWM; if the temperature in the vehicle is higher than a fourth temperature threshold and lower than a fifth temperature threshold, driving and outputting a seat heating wire according to the 2 nd gear by 70% PWM; if the temperature in the vehicle is greater than a fifth temperature threshold and less than a sixth temperature threshold, driving and outputting a seat heating wire by 30% PWM according to the 1 st gear; and if the temperature in the vehicle is greater than the sixth temperature threshold value, the seat heating function is closed.
If the temperature outside the vehicle is greater than the seventh temperature threshold value, the seat ventilation function is started; if the temperature in the vehicle is higher than the eighth temperature threshold value, the seat ventilation motor is driven and output to control by 100% PWM according to the 3 rd gear; if the temperature in the vehicle is smaller than the eighth temperature threshold and larger than the ninth temperature threshold, driving and outputting 70% PWM according to the 2 nd gear to control a seat ventilation motor; if the temperature in the vehicle is greater than a tenth temperature threshold and less than a ninth temperature threshold, driving and outputting 30% PWM according to the 1 st gear to control a seat ventilation motor; and if the temperature in the vehicle is less than the eleventh temperature threshold value, closing the seat ventilation function.
As can be seen from the above description, compared with the prior art, the beneficial effects of the present invention are: the intelligent network connection is adopted, so that the ventilation and heating of the seat can be remotely controlled, the seat can be remotely heated in advance in winter, the temperature of the seat can be adjusted in advance, the vehicle can be driven immediately after a vehicle owner enters the door, the seat is not required to be too cold in winter, and the comfort of the seat is greatly improved; the remote ventilation can be carried out in advance in summer, the temperature of the seat is adjusted in advance, the vehicle can be driven immediately after a vehicle owner enters the door, the seat is not required to be burnt too much in summer, and the comfort of the seat is greatly improved; the existing CAN information on the vehicle is used for interactive control, so that the cost is greatly saved, and the structure is simple.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and it is therefore to be understood that the invention is not limited by the scope of the appended claims.
Claims (11)
1. An automotive seat ventilation heating control system, comprising:
the vehicle-mounted terminal is used for receiving a remote control instruction for ventilating and heating the seat;
and the seat ventilation and heating control device is used for starting or closing the seat ventilation and heating according to the remote control instruction forwarded by the vehicle-mounted terminal, and starting the corresponding ventilation and heating gear according to the acquired seat surface temperature and/or the temperatures inside and outside the vehicle when the seat ventilation and heating is started.
2. The ventilation and heating control system for the vehicle seat according to claim 1, wherein the ventilation and heating control device for the seat obtains an opening seat heating command from a CAN bus, and drives an output control seat heating wire by a PWM method to perform seat heating.
3. The ventilation and heating control system for the automobile seat according to claim 2, wherein if the heating gear is not included in the command for opening the seat, the ventilation and heating control device for the seat drives and outputs the seat heating wire according to the highest gear by 100% PWM, obtains the surface temperature of the seat collected by the seat temperature sensor in real time during the driving process, and outputs 30% PWM to control the seat heating wire according to the lowest gear after the set first temperature threshold is reached.
4. The ventilation and heating control system for the seat of the automobile as claimed in claim 1, wherein the ventilation and heating control device for the seat obtains a command for opening the ventilation of the seat from a CAN bus, and drives an output control motor for the ventilation of the seat by a PWM method to perform the ventilation of the seat.
5. The ventilation and heating control system for the automobile seat according to claim 4, wherein if the ventilation gear is not included in the command for opening the seat ventilation, the ventilation and heating control device for the seat drives and outputs the control of the ventilation motor for the seat according to the highest gear by 100% PWM, the surface temperature of the seat collected by the temperature sensor for the seat is obtained in real time during the driving process, and the ventilation motor for the seat is output by 30% PWM at the lowest gear after the set second temperature threshold is reached.
6. The vehicle seat ventilation and heating control system according to claim 2 or 4, wherein the seat ventilation and heating control device is further configured to obtain a detection signal of the wireless key receiving control module from the CAN bus to determine whether a vehicle owner enters the vehicle, and if the time for opening the seat heating or the seat ventilation exceeds a set time, the vehicle owner does not enter the vehicle, the seat heating or the seat ventilation is turned off.
7. The ventilation and heating control system for the vehicle seat according to claim 1, wherein the ventilation and heating control device for the seat acquires an automatic ventilation and heating command from a CAN bus, and starts the heating or ventilation of the seat according to the temperature inside or outside the vehicle, which is acquired by the air conditioning controller.
8. The vehicle seat ventilation heating control system of claim 7, wherein the seat ventilation heating control device will activate the seat heating function if the outside temperature is less than a third temperature threshold; if the temperature in the vehicle is lower than a fourth temperature threshold value, the seat ventilation heating control device drives and outputs a control seat heating wire according to the 3 rd gear and 100% PWM; if the temperature in the vehicle is higher than a fourth temperature threshold and lower than a fifth temperature threshold, the seat ventilation and heating control device drives and outputs a control seat heating wire according to the 2 nd gear by 70% PWM; if the temperature in the vehicle is higher than a fifth temperature threshold and lower than a sixth temperature threshold, the seat ventilation and heating control device drives and outputs a control seat heating wire according to the 1 st gear by 30% PWM; and if the temperature in the vehicle is higher than the sixth temperature threshold value, the seat ventilation heating control device closes the seat heating function.
9. The vehicle seat ventilation heating control system of claim 7, wherein the seat ventilation heating control device will activate the seat ventilation function if the outside temperature is greater than a seventh temperature threshold; if the temperature in the vehicle is higher than the eighth temperature threshold value, the seat ventilation heating control device drives and outputs 100% PWM according to the 3 rd gear to control a seat ventilation motor; if the temperature in the vehicle is smaller than the eighth temperature threshold and larger than the ninth temperature threshold, the seat ventilation heating control device drives and outputs 70% PWM to control a seat ventilation motor according to the 2 nd gear; if the temperature in the vehicle is greater than a tenth temperature threshold and less than a ninth temperature threshold, the seat ventilation heating control device drives and outputs 30% PWM to control a seat ventilation motor according to the 1 st gear; and if the temperature in the vehicle is lower than the eleventh temperature threshold value, the seat ventilation heating control device closes the seat ventilation function.
10. The ventilation and heating control system for the automobile seat according to claim 1, wherein when the seat heating is performed, if a seat ventilation opening command is obtained from a CAN bus, the seat heating is turned off, and then the seat ventilation motor is driven and output to be controlled in a PWM manner to perform the seat ventilation; when the seat ventilation and heating control device executes seat ventilation, if a seat heating opening instruction is acquired from the CAN bus, the seat ventilation is firstly closed, and then the seat heating wire is driven and output to control the seat heating wire in a PWM mode to execute seat heating.
11. A ventilation and heating control method for an automobile seat is characterized by comprising the following steps:
step S1, receiving a remote control instruction for ventilating and heating the seat;
and step S2, the ventilation heating of the seat is turned on or off according to the received remote control instruction, and corresponding ventilation heating gears are started according to the acquired surface temperature of the seat and/or the temperatures inside and outside the vehicle when the ventilation heating of the seat is turned on.
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| CN202010349632.4A CN113561864A (en) | 2020-04-28 | 2020-04-28 | Automobile seat ventilation heating control system and method |
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| CN202010349632.4A CN113561864A (en) | 2020-04-28 | 2020-04-28 | Automobile seat ventilation heating control system and method |
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| CN114987303A (en) * | 2022-05-31 | 2022-09-02 | 一汽奔腾轿车有限公司 | Intelligent seat ventilation control system and method |
| CN114987304A (en) * | 2022-07-20 | 2022-09-02 | 天津森普捷电子有限公司 | Control method for self-adjustment of seat comfort |
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