CN112238731A - Intelligent tail gas prevention control device of automobile air conditioning system - Google Patents
Intelligent tail gas prevention control device of automobile air conditioning system Download PDFInfo
- Publication number
- CN112238731A CN112238731A CN202010995634.0A CN202010995634A CN112238731A CN 112238731 A CN112238731 A CN 112238731A CN 202010995634 A CN202010995634 A CN 202010995634A CN 112238731 A CN112238731 A CN 112238731A
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- China
- Prior art keywords
- automobile
- air
- conditioning system
- air conditioning
- tail gas
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
- B60H1/00792—Arrangement of detectors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
- B60H1/00821—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being ventilating, air admitting or air distributing devices
- B60H1/00835—Damper doors, e.g. position control
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
Abstract
The invention discloses an intelligent tail gas prevention control device of an automobile air conditioning system, and relates to the technical field of automobile air conditioners. Including radar sensor, fast sensor of wheel, main control unit, gateway, air conditioner controller, inside and outside circulation air door, infotainment host computer and automobile body, automobile body's front portion is provided with radar sensor, and four wheel departments of automobile body all are provided with fast sensor of wheel, and the preceding wallboard of automobile body is provided with main control unit with the longitudinal joint department of front longitudinal beam, is provided with gateway, air conditioner controller and infotainment host computer in the inside instrument platen of automobile body. This tail gas controlling means is prevented to vehicle air conditioning system intelligence possesses the advantage that improves the interior air quality of car, promotes driver and crew's travelling comfort, reduces driver's operation control and promotes driving safety to solve the car and under traffic lights operating mode such as traffic jam, low-speed with the car, preceding rear of a vehicle gas gets into the car in through air conditioning system, the problem of air pollution in the car.
Description
Technical Field
The invention relates to the technical field of automobile air conditioners, in particular to an intelligent tail gas prevention control device of an automobile air conditioning system.
Background
In the use process of an automobile air conditioner, an external circulation mode is often used, but when traffic jam, low-speed following or equal traffic lights happen, tail gas of a front automobile enters the automobile through an air opening of the external circulation, the air quality in the automobile and the feeling of drivers and passengers are influenced, and the health of the drivers and passengers is harmed, the traditional method usually adopts the priority of the automobile speed, a speed threshold value is set, when the automobile speed is lower than a certain value, the automobile speed threshold value is automatically switched into an internal circulation mode, the internal circulation mode is automatically switched, when the automobile runs on a small street in a forest shade, the fresh air in nature cannot be enjoyed, a plurality of short-distance ultrasonic radars are used for auxiliary judgment, but only the distance of 4m-5m can be detected, so that the switching is not timely enough, the design at a higher end is controlled by comparing the quality of the air inside and outside the automobile through an AQS, and the internal circulation can be started only when, the system has certain hysteresis, and in order to better control the air quality in the vehicle, reduce the energy consumption of an air conditioner, save energy and reduce emission, the system adopts a single long-distance millimeter wave/laser detection radar and a vehicle distance priority mode based on the system resources in the vehicle, and simultaneously carries out auxiliary judgment on the vehicle speed to eliminate the interference of the overtaking or high-speed following conditions. And the quality of air in the vehicle is improved by performing finer optimization control.
Disclosure of Invention
The invention provides an intelligent tail gas prevention control device of an automobile air conditioning system, which has the advantages of improving the quality of air in an automobile, improving the comfort of drivers and passengers, reducing the operation control of drivers and improving the driving safety, and solves the problem that the tail gas of a front automobile enters the automobile through the air conditioning system to pollute the air in the automobile under the working conditions of traffic jam, low-speed car following and other traffic lights of the automobile.
In order to achieve the purposes of improving the air quality in the vehicle, improving the comfort of drivers and passengers, reducing the operation control of drivers and improving the driving safety, the invention provides the following technical scheme: the utility model provides a tail gas controlling means is prevented to vehicle air conditioning system intelligence, includes radar sensor, the fast sensor of wheel, main control unit, gateway, air conditioner controller, inside and outside circulation air door, infotainment host computer and automobile body, automobile body's front portion is provided with radar sensor, four wheel departments of automobile body all are provided with the fast sensor of wheel, automobile body's preceding wallboard and the longitudinal joint department of front longeron are provided with main control unit, be provided with gateway, air conditioner controller and infotainment host computer in the inside instrument platen of automobile body, be provided with inside and outside circulation air door in the air-conditioning box of automobile body, the fast sensor of wheel carries out the electricity with main control unit through the car electric wire and is connected, radar sensor, main control unit, gateway, air conditioner controller and infotainment host computer establish CAN internet access through.
As a preferred technical solution of the present invention, the radar sensor is any one of a millimeter wave radar and a laser radar, and is mounted on the front portion of the automobile body, and transmits and receives reflected millimeter waves and optical signals, calculates a vehicle distance ahead, and transmits the vehicle distance ahead to the gateway through a CAN bus.
As a preferred technical scheme of the invention, the wheel speed sensor is arranged at the wheel of the automobile, collects the rotating speed of the wheel and sends a frequency signal to the main controller through PWM.
As a preferred technical scheme of the invention, the main controller adopts any one of ABS/ESP controllers, receives a signal sent by a wheel speed sensor, converts the signal into a vehicle speed signal and sends the vehicle speed signal to the gateway through a CAN bus.
As a preferred technical scheme of the invention, the gateway receives a vehicle distance signal of a radar sensor, a vehicle speed signal of a main controller and an air conditioner configuration signal of an infotainment host through a CAN bus, and forwards the vehicle distance signal and the vehicle speed signal to an air conditioner controller through the CAN bus; receiving the setting signal of the air conditioner controller and transmitting the setting signal to the infotainment host computer through the CAN bus.
As a preferred technical scheme of the invention, the infotainment host provides a man-machine interaction interface, CAN accept manual input of touch screens and voices, and interactively sets the air conditioner controller through the CAN messages forwarded by the gateway.
As a preferred technical solution of the present invention, the air conditioner controller establishes an electrical connection with the internal and external circulation dampers through an automobile electric wire to control the internal and external circulation dampers to switch the internal and external circulation modes, and receives internal and external circulation mode signals fed back by the internal and external circulation dampers through the automobile electric wire.
Compared with the prior art, the invention provides an intelligent tail gas prevention control device of an automobile air conditioning system, which has the following beneficial effects:
this tail gas controlling means is prevented to vehicle air conditioning system intelligence possesses the advantage that improves the interior air quality of car, promotes driver and crew's travelling comfort, reduces driver's operation control and promotes driving safety to solve the car and under traffic lights operating mode such as traffic jam, low-speed with the car, preceding rear of a vehicle gas gets into the car in through air conditioning system, the problem of air pollution in the car.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal and external circulation dampers of the present invention;
FIG. 3 is a schematic diagram of the system connection of the present invention;
FIG. 4 is a circuit diagram of the present invention.
In the figure: 1. a radar sensor; 2. a wheel speed sensor; 3. a main controller; 4. a gateway; 5. an air conditioner controller; 6. an internal and external circulation air door; 7. an infotainment host; 8. automotive electrical wiring; 9. a twisted pair.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the invention discloses an intelligent tail gas prevention control device of an automobile air conditioning system, which comprises a radar sensor 1, a wheel speed sensor 2, a main controller 3, a gateway 4, an air conditioning controller 5, an internal and external circulation air door 6, an infotainment host 7 and an automobile body, wherein the radar sensor 1 is arranged at the front part of the automobile body, the wheel speed sensors 2 are arranged at four wheels of the automobile body, the main controller 3 is arranged at the longitudinal joint of a front wall plate and a front longitudinal beam of the automobile body, the gateway 4, the air conditioning controller 5 and the infotainment host 7 are arranged in an instrument panel inside the automobile body, the internal and external circulation air door 6 is arranged in an air conditioning box of the automobile body, the wheel speed sensors 2 are electrically connected with the main controller 3 through automobile wires 8, and the radar sensor 1, the main controller 3, the gateway 4, the air conditioner controller 5 and the infotainment host 7 establish CAN network connection through a twisted pair 9, the air conditioner controller 5 and the internal and external circulation air door 6 establish electrical connection through an automobile wire 8 to control the internal and external circulation air door 6 to switch an internal and external circulation mode, and receive internal and external circulation mode signals fed back by the internal and external circulation air door 6 through the automobile wire 8.
Specifically, radar sensor 1 adopts any one of millimeter wave radar or laser radar, radar sensor 1 installs in the front portion of automobile body, sends and receives reflected millimeter wave and light signal, calculates the place ahead vehicle distance to send for gateway 4 through the CAN bus.
Specifically, wheel speed sensor 2 is installed in car wheel department, through any one of electromagnetic induction principle or hall principle, gathers the wheel rotational speed, sends frequency signal for main control unit 3 through PWM.
Specifically, the main controller 3 adopts any one of ABS/ESP controllers, and the main controller 3 receives a signal sent by the wheel speed sensor 2, converts the signal into a vehicle speed signal, and sends the vehicle speed signal to the gateway 4 through the CAN bus.
Specifically, the gateway 4 receives a vehicle distance signal of the radar sensor 1, a vehicle speed signal of the main controller 3 and an air conditioner configuration signal of the infotainment host 7 through the CAN bus, and forwards the vehicle distance signal and the vehicle speed signal to the air conditioner controller 5 through the CAN bus; receives the setting signal of the air conditioner controller 5 and forwards the setting signal to the infotainment host 7 through the CAN bus.
Specifically, referring to fig. 2, a is an internal and external circulation damper baffle, b is an internal and external circulation motor; the internal and external circulation motor b can receive the voltage of the air conditioner controller 5, rotate according to the voltage signal, regulate the state of the air door, when the internal and external circulation motor b rotates to the position of the dashed line frame in the direction c outside the vehicle, the air conditioning system is in an internal circulation mode, can isolate the air outside the vehicle from entering the vehicle, the internal and external circulation motor b feeds back the state signal of the internal circulation mode to the air conditioner controller 5 at this moment; when the internal and external circulation motor b rotates to the position of the solid line frame in the vehicle direction d, the air conditioning system is in an external circulation mode, air outside the vehicle can enter the vehicle, and the internal and external circulation motor b feeds back a state signal of the external circulation mode to the air conditioning controller 5.
Specifically, the infotainment host 7 provides a man-machine interaction interface, CAN receive human input such as touch screen and voice, and interactively sets the air conditioner controller 5 through the CAN message forwarded by the gateway 4.
The working principle and the using process of the invention are as follows: when in use, please refer to fig. 3, after the vehicle is ignited, the air-conditioning controller monitors the start of the tail gas prevention system, the vehicle air-conditioning system works in an external circulation state, the air-conditioning controller 5 acquires the vehicle distance value of the vehicle distance signal of the millimeter wave radar/laser radar (the main controller 3) forwarded by the gateway 4 through the CAN network, when the vehicle distance is less than or equal to 15m, acquires the vehicle speed value from the CAN network, when the vehicle speed is less than or equal to 25Km/h, the vehicle is determined to be a traffic jam, a low-speed vehicle following or an equal traffic light working condition is about to occur, the air-conditioning controller 5 controls the action of the internal and external circulation air doors 6, opens the air-conditioning internal circulation mode, isolates the internal and external air circulation of the vehicle, prevents the tail gas of the front vehicle from entering the vehicle, after the internal circulation is opened, the monitored CAN network vehicle distance signal is immediately acquired, when the vehicle distance is more than 15m, the, and the above programs are executed, the vehicle state is monitored in real time, the air conditioner internal circulation mode is started in time, and the tail gas is prevented from entering the vehicle through the air opening.
To sum up, this tail gas controlling means is prevented to vehicle air conditioning system intelligence possesses the advantage that improves the air quality in the car, promotes driver and crew's travelling comfort, reduces driver's operation control and promotes driving safety to solve the car under traffic jam, low-speed with the car and wait traffic lights operating mode, preceding rear of a vehicle passes through air conditioning system and gets into the car in, pollutes the problem of air in the car.
It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a tail gas controlling means is prevented to vehicle air conditioning system intelligence, includes radar sensor (1), fast sensor of wheel (2), main control unit (3), gateway (4), air conditioner controller (5), inside and outside circulation air door (6), infotainment host computer (7) and automobile body, its characterized in that: the front portion of the automobile body is provided with a radar sensor (1), four wheel positions of the automobile body are provided with wheel speed sensors (2), a front wall plate and a front longitudinal beam longitudinal joint of the automobile body are provided with a main controller (3), a gateway (4), an air conditioner controller (5) and an information entertainment host (7) are arranged in an instrument panel inside the automobile body, an internal and external circulation air door (6) is arranged in an air conditioning box of the automobile body, the wheel speed sensors (2) are electrically connected with the main controller (3) through automobile wires (8), and the radar sensor (1), the main controller (3), the gateway (4), the air conditioner controller (5) and the information entertainment host (7) establish CAN network connection through twisted-pair wires (9).
2. The intelligent tail gas prevention control device of the automobile air conditioning system according to claim 1, characterized in that: the radar sensor (1) adopts any one of a millimeter wave radar or a laser radar, the radar sensor (1) is installed on the front portion of the automobile body, sends and receives reflected millimeter waves and light signals, calculates the front distance of the automobile, and sends the distance to the gateway (4) through a CAN bus.
3. The intelligent tail gas prevention control device of the automobile air conditioning system according to claim 1, characterized in that: the wheel speed sensor (2) is installed at a vehicle wheel, collects the rotating speed of the vehicle wheel, and sends a frequency signal to the main controller (3) through PWM.
4. The intelligent tail gas prevention control device of the automobile air conditioning system according to claim 1, characterized in that: the main controller (3) adopts any one of ABS/ESP controllers, the main controller (3) receives signals sent by the wheel speed sensor (2), converts the signals into vehicle speed signals and sends the vehicle speed signals to the gateway (4) through the CAN bus.
5. The intelligent tail gas prevention control device of the automobile air conditioning system according to claim 1, characterized in that: the gateway (4) receives a vehicle distance signal of the radar sensor (1), a vehicle speed signal of the main controller (3) and an air conditioner configuration signal of the infotainment host (7) through the CAN bus, and forwards the vehicle distance signal and the vehicle speed signal to the air conditioner controller (5) through the CAN bus; receiving the setting signal of the air conditioner controller (5) and transmitting the setting signal to the infotainment host (7) through the CAN bus.
6. The intelligent tail gas prevention control device of the automobile air conditioning system according to claim 1, characterized in that: the information entertainment host (7) provides a man-machine interaction interface, CAN accept manual input of a touch screen and voice, and carries out interaction setting on the air conditioner controller (5) through the CAN message forwarded by the gateway (4).
7. The intelligent tail gas prevention control device of the automobile air conditioning system according to claim 1, characterized in that: the air conditioner controller (5) and the internal and external circulation air door (6) are electrically connected through an automobile wire (8) to control the internal and external circulation air door (6) to switch an internal and external circulation mode, and internal and external circulation mode signals fed back by the internal and external circulation air door (6) are received through the automobile wire (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010995634.0A CN112238731A (en) | 2020-09-21 | 2020-09-21 | Intelligent tail gas prevention control device of automobile air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010995634.0A CN112238731A (en) | 2020-09-21 | 2020-09-21 | Intelligent tail gas prevention control device of automobile air conditioning system |
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| Publication Number | Publication Date |
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| CN112238731A true CN112238731A (en) | 2021-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010995634.0A Pending CN112238731A (en) | 2020-09-21 | 2020-09-21 | Intelligent tail gas prevention control device of automobile air conditioning system |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57167818A (en) * | 1981-04-10 | 1982-10-15 | Nippon Denso Co Ltd | Air conditioner controlling device for car |
| JP2002225543A (en) * | 2001-02-05 | 2002-08-14 | Mazda Motor Corp | Control device for vehicle |
| CN203511218U (en) * | 2013-09-16 | 2014-04-02 | 比亚迪股份有限公司 | Parking air conditioner control device and vehicle with parking air conditioner control device |
| CN105034747A (en) * | 2015-07-01 | 2015-11-11 | 上汽通用汽车有限公司 | Automobile air conditioner control method and system for preventing invasion of tail gas of front automobile |
| CN205009919U (en) * | 2015-09-28 | 2016-02-03 | 浙江吉利汽车研究院有限公司 | Extrinsic cycle auto -change over device in vehicle air conditioner |
| CN109895581A (en) * | 2017-12-07 | 2019-06-18 | 联合汽车电子有限公司 | Automobile air adjusts system and method for adjustment |
-
2020
- 2020-09-21 CN CN202010995634.0A patent/CN112238731A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57167818A (en) * | 1981-04-10 | 1982-10-15 | Nippon Denso Co Ltd | Air conditioner controlling device for car |
| JP2002225543A (en) * | 2001-02-05 | 2002-08-14 | Mazda Motor Corp | Control device for vehicle |
| CN203511218U (en) * | 2013-09-16 | 2014-04-02 | 比亚迪股份有限公司 | Parking air conditioner control device and vehicle with parking air conditioner control device |
| CN105034747A (en) * | 2015-07-01 | 2015-11-11 | 上汽通用汽车有限公司 | Automobile air conditioner control method and system for preventing invasion of tail gas of front automobile |
| CN205009919U (en) * | 2015-09-28 | 2016-02-03 | 浙江吉利汽车研究院有限公司 | Extrinsic cycle auto -change over device in vehicle air conditioner |
| CN109895581A (en) * | 2017-12-07 | 2019-06-18 | 联合汽车电子有限公司 | Automobile air adjusts system and method for adjustment |
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Application publication date: 20210119 |
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