CN112124037A - Motor vehicle with forced ventilation system, forced ventilation system and control method - Google Patents
Motor vehicle with forced ventilation system, forced ventilation system and control method Download PDFInfo
- Publication number
- CN112124037A CN112124037A CN202010922962.8A CN202010922962A CN112124037A CN 112124037 A CN112124037 A CN 112124037A CN 202010922962 A CN202010922962 A CN 202010922962A CN 112124037 A CN112124037 A CN 112124037A
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- motor vehicle
- vehicle
- carbon monoxide
- ventilation system
- controller
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/24—Devices purely for ventilating or where the heating or cooling is irrelevant
- B60H1/241—Devices purely for ventilating or where the heating or cooling is irrelevant characterised by the location of ventilation devices in the vehicle
- B60H1/245—Devices purely for ventilating or where the heating or cooling is irrelevant characterised by the location of ventilation devices in the vehicle located in the roof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R21/015—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting the presence or position of passengers, passenger seats or child seats, and the related safety parameters therefor, e.g. speed or timing of airbag inflation in relation to occupant position or seat belt use
- B60R21/01512—Passenger detection systems
- B60R21/01516—Passenger detection systems using force or pressure sensing means
Abstract
The invention discloses a motor vehicle with a forced ventilation system, the forced ventilation system and a control method, belonging to the technical field of motor vehicle air conditioners and aiming at solving the technical problems that the ventilation in the motor vehicle is poor and safety accidents are easily caused when the motor vehicle is in a non-driving state in the prior art. The method comprises the following steps: the air inlet is arranged at the top of the vehicle, one end of the air inlet is provided with a ventilator, the other end of the air inlet is provided with a filter screen, the air inlet is provided with a boss, the filter screen is fixed on the boss, the air inlet is provided with an electric baffle, and the filter screen is positioned between the electric baffle and the ventilator; the ventilator and the electric baffle are electrically connected with a controller, and the controller is electrically connected with a vehicle-mounted battery of the motor vehicle; the controller controls the start and stop of the ventilator and the opening and closing of the electric baffle according to the received detection signals of the speed sensor, the temperature sensor, the carbon monoxide sensor and the pressure sensor; the controller is also electrically connected with the alarm and at least one electric vehicle window.
Description
Technical Field
The invention belongs to the technical field of motor vehicle air conditioners, and particularly relates to a motor vehicle provided with a forced ventilation system, the forced ventilation system and a control method.
Background
With the technical progress, various long and short distance passenger cars are more and more designed in a closed manner, the ventilation in the car mainly depends on the adjustment of an air conditioning system, the operation of the air conditioning system depends on the operation of an engine, however, when the passenger car is in a stop state, the air conditioning system is also closed under most conditions, and thus, some potential safety hazards are brought; for example, because a driver is careless and has weak safety consciousness, an immature child is forgotten in a passenger car, and after the passenger car is irradiated by the sun for a long time, the accident of high-temperature asphyxiation of the immature child is caused; similarly, the driver is asleep when opening the air conditioner in the vehicle due to carelessness and poor safety consciousness of the driver, and incomplete combustion is easy to occur because the engine is in an idling state, so that carbon monoxide is generated, and enters the vehicle along with the air conditioning system, so that the person who has a rest in the vehicle inhales excessive carbon monoxide and is asphyxiated due to oxygen deficiency. The reason for analyzing the above accidents is that the motor vehicle is a closed space, and when the motor vehicle is in a non-driving state, ventilation in the vehicle is poor, high temperature is easily generated, harmful gas is easily accumulated, and finally, safety accidents are caused.
Disclosure of Invention
The invention aims to provide a motor vehicle with a forced ventilation system, the forced ventilation system and a control method, and aims to solve the technical problems that in the prior art, when the motor vehicle is in a non-driving state, ventilation in the vehicle is poor, and safety accidents are easily caused.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: a motor vehicle forced air system comprising: the air inlet is arranged at the top of the vehicle, one end of the air inlet is provided with a ventilator, the other end of the air inlet is provided with a filter screen, the air inlet is provided with a boss, the filter screen is fixed on the boss, the air inlet is provided with an electric baffle, and the filter screen is positioned between the electric baffle and the ventilator; the ventilator and the electric baffle are electrically connected with a controller, and the controller is electrically connected with a vehicle-mounted battery of a motor vehicle; the controller is electrically connected with a speed sensor, a temperature sensor, a carbon monoxide sensor and a pressure sensor which are installed in a motor vehicle, and controls the start and stop of the ventilator and the opening and closing of the electric baffle according to received detection signals of the speed sensor, the temperature sensor, the carbon monoxide sensor and the pressure sensor; the controller is also electrically connected with the alarm and at least one electric vehicle window.
Furthermore, the air inlet is provided with a streamline surface in the direction facing the head of the motor vehicle.
Further, the pressure sensors are plural, and the plural pressure sensors are respectively installed under seats of the motor vehicle.
Further, the carbon monoxide sensor has at least two, wherein one is arranged in the interior of the motor vehicle, and the other is arranged at the outlet of the exhaust pipe of the motor vehicle.
Further, when the speed sensor detects that the speed of the motor vehicle is zero and data detected by at least one pressure sensor exceeds a pressure threshold value, if the concentration of carbon monoxide detected by a carbon monoxide sensor arranged at the outlet of an exhaust pipe of the motor vehicle exceeds a first threshold value, the controller starts a forced ventilation system, and simultaneously triggers an alarm; the controller opens at least one power window of the motor vehicle if a carbon monoxide concentration detected by a carbon monoxide sensor installed inside the motor vehicle exceeds a second threshold.
Further, when the speed sensor detects that the speed of the motor vehicle is zero, the data detected by at least one pressure sensor exceeds a pressure threshold value, and the data detected by the temperature sensor exceeds a temperature threshold value, the controller starts the forced ventilation system, and simultaneously the controller triggers the alarm; when the alarm is not released after the set time is exceeded, the controller opens at least one power window of the motor vehicle.
Further, the forced ventilation system is not activated when the speed of the motor vehicle detected by said speed sensor is not zero.
A method of controlling a forced air system for a motor vehicle, comprising:
acquiring a speed value of a motor vehicle, a pressure value of a motor vehicle seat, an in-vehicle temperature value, an in-vehicle carbon monoxide concentration and a carbon monoxide concentration at an outlet of an exhaust pipe;
when the speed value of the motor vehicle is zero, the data detected by at least one pressure sensor exceeds a pressure threshold value, and the data detected by the temperature sensor exceeds a temperature threshold value, the controller starts the forced ventilation system, and simultaneously the controller triggers an alarm; when the alarm is not released after the set time is exceeded, the controller opens at least one power window of the motor vehicle;
when the speed value of the motor vehicle is zero and the data detected by at least one pressure sensor exceeds a pressure threshold value, if the concentration of carbon monoxide detected by a carbon monoxide sensor arranged at the outlet of an exhaust pipe of the motor vehicle exceeds a first threshold value, the controller starts a forced ventilation system, and simultaneously triggers an alarm; if the carbon monoxide concentration detected by a carbon monoxide sensor installed inside the motor vehicle exceeds a second threshold value, the controller opens at least one power window of the motor vehicle;
when the speed value of the motor vehicle is not zero, the forced ventilation system is not activated.
A motor vehicle fitted with a forced air system, said motor vehicle comprising the aforementioned forced air system.
Compared with the prior art, the invention has the following beneficial effects:
(1) the forced ventilation system is arranged on the roof of the automobile and is started after meeting set conditions, so that the ventilation in the automobile is enhanced, and the air condition in the automobile is improved; the forced ventilation system has a simple structure, does not occupy the space in the vehicle, adopts a streamline design outside, reduces the air resistance in the driving process of the motor vehicle, reduces the oil consumption, and keeps the closed state of the motor vehicle when the forced ventilation system is not started;
(2) the invention judges whether the motor vehicle is running or not through the speed sensor, judges whether a person exists in the motor vehicle in a non-running state or not through the pressure sensor, detects the temperature in the motor vehicle through the temperature sensor, starts the forced ventilation system after meeting the conditions, and gives an alarm; the juvenile locked in the vehicle is protected, and safety accidents are prevented;
(3) the invention judges whether the motor vehicle is running or not through the speed sensor, judges whether a person is in the motor vehicle under the non-running state or not through the pressure sensor, detects the concentration of carbon monoxide in the vehicle through the carbon monoxide sensor, starts the forced ventilation system after meeting the conditions, and gives an alarm; the driver who has a rest in the car is protected, and safety accidents are prevented.
Drawings
Fig. 1 is a schematic sectional view of a forced air system according to an embodiment of the present invention in an installed state;
FIG. 2 is a system block diagram of a forced air system provided by an embodiment of the present invention;
FIG. 3 is a schematic diagram illustrating a connection relationship between a carbon monoxide sensor and an exhaust pipe according to an embodiment of the present invention;
fig. 4 is a view a-a of fig. 3.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The first embodiment is as follows:
as shown in fig. 1 and 2, a forced ventilation system for a motor vehicle includes: the air inlet 1 is arranged on the roof 5, one end of the air inlet 1 is provided with a ventilator 2, the other end of the air inlet 1 is provided with a filter screen 3, the air inlet 1 is provided with a boss 11, and the filter screen 3 is fixed on the boss 11 through a connecting piece with a disassembling function, such as a bolt or a clamping groove, so that the filter screen 3 can be conveniently replaced; besides being used for installing the filter screen 3, the boss 11 can also prevent external rainwater from entering the vehicle through the air inlet 1. The air inlet 1 is provided with an electric baffle 4, and the filter screen 3 is positioned between the electric baffle 4 and the ventilator 2; the electric baffle 4 is an external barrier of the air inlet 1, is in a closed state at ordinary times, prevents small animals or insects from entering the air inlet 1 to cause blockage, can prevent rainwater or sewage in car washing from entering the car, can also prevent the sewage from entering the car under the blocking of the internal boss 11 even if a small amount of water enters, can not enter the inside of the motor vehicle, protects the metal plate and the ventilator 2 on the roof, and avoids corrosion damage. In the embodiment, in order to adapt to a car roof installation environment, a flow channel of the air inlet 1 is arranged at 90 degrees, namely, an air inlet of the air inlet 1 faces to the rear of a motor vehicle, an air outlet of the air inlet 1 faces downwards and enters the car through the ventilator 2, and meanwhile, the air inlet 1 is provided with the streamline surface 12 in the direction facing to the head of the motor vehicle, so that the wind resistance is reduced, and the oil consumption is reduced; meanwhile, the streamline surface 12 is attached to the outer surface of the car roof 5, and the whole shape is more attractive.
The ventilator 2 and the electric baffle 4 are electrically connected with a controller, the controller is electrically connected with a vehicle-mounted battery of the motor vehicle, and the vehicle-mounted battery provides electric power required by the operation for the forced ventilation system; the controller is electrically connected with a speed sensor, a temperature sensor, a carbon monoxide sensor and a pressure sensor which are arranged in the motor vehicle, the pressure sensors are arranged below each seat of the motor vehicle respectively and used for judging whether a person exists in the vehicle, and if the output of one pressure sensor is not zero or intermittent output signals continuously appear, the person exists on the seat where the pressure sensor is located; the carbon monoxide sensor is at least two, wherein one of the carbon monoxide sensors is arranged in the motor vehicle and used for detecting the carbon monoxide concentration in the motor vehicle, and the other carbon monoxide sensor is arranged at the tail end of an exhaust pipe of the motor vehicle and used for detecting the carbon monoxide concentration in the tail gas of the motor vehicle. As shown in fig. 3 and 4, the tail end of the exhaust pipe comprises a silencing section 6 and an exhaust funnel 7, the tail gas is exhausted from the exhaust funnel 7 after being silenced by the silencing section 6, the silencing section 6 is provided with a threaded boss 61, and the carbon monoxide sensor is in threaded connection with the threaded boss 61 through a mounting seat. A baffle plate 62 is arranged at the tail end of the muffling segment 6 at a set distance from the inlet of the exhaust stack 7, the baffle plate 62 is fixedly connected with the shell of the muffling segment 6 through a support 63, and the baffle plate 62 is opposite to the inlet of the exhaust stack 7. The carbon monoxide sensor is flush with the inlet of the exhaust funnel 7. Baffle 62 is used for changing the flow direction of tail gas, and distance and carbon monoxide sensor stretch into the length in the noise elimination section between the entry through adjustment baffle 62 and aiutage 7 reach the purpose of scouring carbon monoxide sensor probe through the tail gas air current, prevent carbon monoxide sensor probe deposition, cause the probe to become invalid. The distance between the baffle plate 62 and the inlet of the exhaust funnel 7 and the length of the carbon monoxide sensor extending into the muffling section are related to the exhaust gas volume of the motor vehicle, and for a certain motor vehicle, the distance between the baffle plate 62 and the inlet of the exhaust funnel 7 and the length of the carbon monoxide sensor extending into the muffling section are a set of determined values after tests.
The temperature sensor is used for detecting the temperature in the motor vehicle, and the speed sensor is used for judging whether the vehicle is in a running state. The controller controls the start and stop of the ventilator 2 and the opening and closing of the electric baffle 4 according to the received detection signals of the speed sensor, the temperature sensor, the carbon monoxide sensor and the pressure sensor; in the embodiment, the ventilator 2 and the electric baffle 4 are synchronously controlled by the controller, namely the electric baffle 4 is opened when the ventilator 2 is started, and the electric baffle 4 is closed when the ventilator 2 is stopped; the ventilation is ensured to be smooth, meanwhile, the ventilator 2 and the filter screen 3 are protected, and the service life of the ventilator is prolonged. The filter screen 3 plays a role in filtering when the forced ventilation system works, prevents large-particle impurities in the air from entering a motor vehicle, and can improve the air quality in the vehicle.
In this embodiment, the stepped flange is arranged on the air inlet 1 and is matched with the stepped flange on the roof 5, the air inlet 1 is installed in place from the outside of the roof 5 and is fixed from the inside of the motor vehicle through connecting pieces such as bolts or clamping grooves, and replacement or maintenance is convenient.
The air inlet 1 can be integrally replaced, only the ventilator 2 can be replaced, the ventilator 2 is fixed on the air inlet 1 through bolts, when the filter screen 3 needs to be replaced, the ventilator 2 is firstly removed from the vehicle, then the filter screen 3 is removed from the vehicle, and after replacement, the ventilator is reset according to the opposite sequence. In this embodiment, electronic baffle adopts miniature step motor drive, and electronic baffle can set to a monoblock as required, also can set to the form of shutter, according to the ventilation needs and the specific design of installation space. The controller adopts the singlechip, and the model is as follows: STC15W 201S; in the embodiment, the forced ventilation system is arranged on the roof of the automobile and is started after the set conditions are met, so that the ventilation in the automobile is enhanced, and the air condition in the automobile is improved; the forced ventilation system has a simple structure, does not occupy space in a vehicle, adopts a streamline design outside, reduces air resistance in the driving process of the motor vehicle, reduces oil consumption, and keeps the closed state of the motor vehicle when the forced ventilation system is not started and the electric baffle is in a closed state. In the embodiment, the controller is further electrically connected with the alarm and the at least one electric vehicle window, after the forced ventilation system is started, the alarm is switched on to send out audible and visual alarm signals to remind surrounding people that the electric vehicle is abnormal and needs to provide help, and meanwhile, the controller also opens the at least one electric vehicle window according to set conditions to finish self rescue or auxiliary rescue.
Example two:
based on the motor vehicle forced ventilation system of the first embodiment, the present embodiment provides a control method of a motor vehicle forced ventilation system, and the present embodiment is also a use method of the motor vehicle forced ventilation system of the first embodiment.
1) Acquiring a speed value of a motor vehicle, a pressure value of a motor vehicle seat, an in-vehicle temperature value, an in-vehicle carbon monoxide concentration and a carbon monoxide concentration at the tail section of an exhaust pipe;
the pressure sensors are respectively arranged below each seat of the motor vehicle and used for judging whether a person exists in the vehicle, and if the output of the pressure sensors is not zero or intermittent output signals continuously appear, the person exists on the seat where the pressure sensors are located; one carbon monoxide sensor is arranged in the motor vehicle and used for detecting the concentration of carbon monoxide in the motor vehicle, and the other carbon monoxide sensor is arranged at the tail end of an exhaust pipe of the motor vehicle and used for detecting the concentration of carbon monoxide in the tail gas of the motor vehicle; the temperature sensor is used for detecting the temperature in the motor vehicle, and the speed sensor is used for judging whether the vehicle is in a running state or not;
2) when the speed value of the motor vehicle is zero, the data detected by at least one pressure sensor exceeds a pressure threshold value, and the data detected by the temperature sensor exceeds a temperature threshold value, the controller starts the forced ventilation system, and simultaneously the controller triggers an alarm; when the alarm is not released after the set time is exceeded, the controller opens at least one power window of the motor vehicle;
the speed value of the motor vehicle is zero, which indicates that the motor vehicle is in a non-driving state; the data detected by the pressure sensor exceeds a pressure threshold value, which indicates that a person is in the vehicle; when the data detected by the temperature sensor exceeds a set temperature threshold value, the controller starts the ventilator 2 and opens the electric baffle 4 at the same time, and triggers the alarm to give out audible and visual alarm to surrounding pedestrians to prompt the surrounding pedestrians that help when abnormal conditions occur in the motor vehicle; when the alarm is not released after the set time is exceeded, the controller sends a starting signal to an electric window control device of the motor vehicle to open at least one electric window of the motor vehicle so as to assist rescue or help people in the vehicle to finish self rescue; the starting mode is suitable for the situation that the minor is locked in the motor vehicle and can not escape; as an upgraded version of the embodiment, the controller may integrate a communication module, and when the forced ventilation system is started, the communication module sends alarm information to a driver to remind the driver that someone is trapped in the vehicle;
3) when the speed value of the motor vehicle is zero and the data detected by at least one pressure sensor exceeds a pressure threshold value, if the concentration of carbon monoxide detected by a carbon monoxide sensor arranged at the tail section of an exhaust pipe of the motor vehicle exceeds a first threshold value, the controller starts a forced ventilation system, and simultaneously triggers an alarm; if the carbon monoxide concentration detected by a carbon monoxide sensor installed inside the motor vehicle exceeds a second threshold value, the controller opens at least one power window of the motor vehicle;
the starting mode is suitable for the situation that a driver sleeps when an air conditioner is arranged in a vehicle for rest, and because carbon monoxide poisoning is difficult to detect, when a carbon monoxide sensor arranged at the tail end of an exhaust pipe of a motor vehicle detects that the concentration of carbon monoxide exceeds a first threshold value, a ventilator 2 is started, an electric baffle 4 is opened, meanwhile, a controller triggers an alarm, a sound-light alarm is sent to surrounding pedestrians, the surrounding pedestrians are prompted, abnormal situations in the motor vehicle need help, meanwhile, the driver who has a rest in the vehicle is reminded that the engine is insufficiently combusted, the concentration of carbon monoxide exceeds a safety standard, and measures need to be taken in time; when the concentration of carbon monoxide detected by a carbon monoxide sensor arranged in the motor vehicle exceeds a second threshold value, the situation is worsening because the driver cannot take measures in time, and the controller sends a starting signal to an electric vehicle window control device of the motor vehicle to open at least one electric vehicle window of the motor vehicle so as to strengthen ventilation in the vehicle and prevent the situation from further worsening;
4) when the speed value of the motor vehicle is not zero, the forced ventilation system is not started;
the speed value of the motor vehicle is not zero, which indicates that the driver is in a waking state and the forced ventilation system needs to be started when the motor vehicle is running.
Example three:
based on the motor vehicle forced ventilation system described in the first embodiment and the control method of the motor vehicle forced ventilation system described in the second embodiment, the present embodiment provides a motor vehicle equipped with a forced ventilation system, wherein the motor vehicle is equipped with the forced ventilation system described in the first embodiment and can be controlled according to the control method of the motor vehicle forced ventilation system described in the second embodiment.
The forced ventilation system is suitable for ventilation of long-distance and short-distance passenger cars with various closed designs in emergency, is suitable for forced ventilation of a long-distance truck cab and is also suitable for forced ventilation of family passenger cars.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (9)
1. A forced ventilation system for a motor vehicle, comprising: the air inlet is arranged at the top of the vehicle, one end of the air inlet is provided with a ventilator, the other end of the air inlet is provided with a filter screen, the air inlet is provided with a boss, the filter screen is fixed on the boss, the air inlet is provided with an electric baffle, and the filter screen is positioned between the electric baffle and the ventilator; the ventilator and the electric baffle are electrically connected with a controller, and the controller is electrically connected with a vehicle-mounted battery of a motor vehicle; the controller is electrically connected with a speed sensor, a temperature sensor, a carbon monoxide sensor and a pressure sensor which are installed in a motor vehicle, and controls the start and stop of the ventilator and the opening and closing of the electric baffle according to received detection signals of the speed sensor, the temperature sensor, the carbon monoxide sensor and the pressure sensor; the controller is also electrically connected with the alarm and at least one electric vehicle window.
2. The automotive plenum of claim 1, wherein the air inlet is provided with a streamlined surface in a direction toward the head of the automotive vehicle.
3. The automotive plenum of claim 1, wherein there are a plurality of said pressure sensors, each of said plurality of pressure sensors being mounted under a seat of the automotive vehicle.
4. The forced automotive ventilation system of claim 1, wherein the carbon monoxide sensor is at least two, one of which is installed in the interior of the automotive vehicle and the other of which is installed at the outlet of the exhaust pipe of the automotive vehicle.
5. The vehicle ventilation system according to claim 4, wherein when the speed sensor detects that the speed of the vehicle is zero and the data detected by the at least one pressure sensor exceeds the pressure threshold,
if the concentration of carbon monoxide detected by a carbon monoxide sensor arranged at the outlet of an exhaust pipe of the motor vehicle exceeds a first threshold value, starting a forced ventilation system by a controller, and triggering an alarm by the controller;
the controller opens at least one power window of the motor vehicle if a carbon monoxide concentration detected by a carbon monoxide sensor installed inside the motor vehicle exceeds a second threshold.
6. The automotive vehicle forced ventilation system of claim 1, wherein when the speed sensor detects that the speed of the automotive vehicle is zero, the data detected by at least one pressure sensor exceeds a pressure threshold, and the data detected by the temperature sensor exceeds a temperature threshold, the controller activates the forced ventilation system, and the controller triggers an alarm; when the alarm is not released after the set time is exceeded, the controller opens at least one power window of the motor vehicle.
7. The vehicle ventilation system of claim 1, wherein the ventilation system is not activated when the speed of the vehicle sensed by said speed sensor is not zero.
8. A method of controlling a forced ventilation system for a motor vehicle, comprising:
acquiring a speed value of a motor vehicle, a pressure value of a motor vehicle seat, an in-vehicle temperature value, an in-vehicle carbon monoxide concentration and a carbon monoxide concentration at an outlet of an exhaust pipe;
when the speed value of the motor vehicle is zero, the data detected by at least one pressure sensor exceeds a pressure threshold value, and the data detected by the temperature sensor exceeds a temperature threshold value, the controller starts the forced ventilation system, and simultaneously the controller triggers an alarm; when the alarm is not released after the set time is exceeded, the controller opens at least one power window of the motor vehicle;
when the speed value of the motor vehicle is zero and the data detected by at least one pressure sensor exceeds a pressure threshold value, if the concentration of carbon monoxide detected by a carbon monoxide sensor arranged at the outlet of an exhaust pipe of the motor vehicle exceeds a first threshold value, the controller starts a forced ventilation system, and simultaneously triggers an alarm; if the carbon monoxide concentration detected by a carbon monoxide sensor installed inside the motor vehicle exceeds a second threshold value, the controller opens at least one power window of the motor vehicle;
when the speed value of the motor vehicle is not zero, the forced ventilation system is not activated.
9. A motor vehicle fitted with a forced air system, characterised in that it comprises a forced air system as claimed in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010922962.8A CN112124037A (en) | 2020-09-04 | 2020-09-04 | Motor vehicle with forced ventilation system, forced ventilation system and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010922962.8A CN112124037A (en) | 2020-09-04 | 2020-09-04 | Motor vehicle with forced ventilation system, forced ventilation system and control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112124037A true CN112124037A (en) | 2020-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010922962.8A Pending CN112124037A (en) | 2020-09-04 | 2020-09-04 | Motor vehicle with forced ventilation system, forced ventilation system and control method |
Country Status (1)
| Country | Link |
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| CN (1) | CN112124037A (en) |
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2020
- 2020-09-04 CN CN202010922962.8A patent/CN112124037A/en active Pending
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