CN111645486A - Virus killing vehicle-mounted air conditioner assembly and control method thereof - Google Patents
Virus killing vehicle-mounted air conditioner assembly and control method thereof Download PDFInfo
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- CN111645486A CN111645486A CN202010485248.7A CN202010485248A CN111645486A CN 111645486 A CN111645486 A CN 111645486A CN 202010485248 A CN202010485248 A CN 202010485248A CN 111645486 A CN111645486 A CN 111645486A
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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
- B60H1/00742—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 by detection of the vehicle occupants' presence; by detection of conditions relating to the body of occupants, e.g. using radiant heat 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
- B60H1/00735—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
- B60H1/00807—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 the input being a specific way of measuring or calculating an air or coolant temperature
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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
- B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
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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
- B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
- B60H2001/2228—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant controlling the operation of heaters
- B60H2001/2234—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant controlling the operation of heaters when vehicle is parked, preheating
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention provides a virus-killing vehicle-mounted air conditioner assembly and a control method thereof, wherein the virus-killing vehicle-mounted air conditioner assembly comprises the following components: a vehicle-mounted air conditioner, an air conditioner controller, at least two occupant detection components, and a temperature detection component; the vehicle-mounted air conditioner comprises a blower and a high-temperature heater; the air conditioner controller controls the blower and the high-temperature heater; the temperature detection component is arranged in a cab of the automobile and is in communication connection with the air conditioner controller; each passenger detection component is arranged on the corresponding seat and is in communication connection with the air conditioner controller; and when the temperature of the cab does not reach the preset virus killing temperature threshold value, determining that no person is in the cab according to the seat riding detection result of the automobile, and controlling the high-temperature heater to start. Through utilizing current vehicle air conditioner to the virus of each corner in passenger cabin is effectively exterminateed to high temperature, protects passenger's safety simultaneously, prevents to disinfect under someone's the circumstances and causes danger to passenger in the car, disinfects the problem of disinfection difficulty in the car among the solution prior art with lower cost in the car.
Description
Technical Field
The invention relates to the field of automobiles, in particular to a virus-killing vehicle-mounted air conditioner assembly and a control method thereof.
Background
The virus-removing, or virucidal, function of an automobile is not a hard requirement. However, as the viral problem becomes more and more important in the world today, the disinfection and disinfection functions of automobiles become more and more important.
Under the condition of increasingly poor environment, the virus elimination difficulty is increasingly high, the environment in the automobile also has risks, and some viruses such as new coronavirus and the like easily exist, and need to be disinfected when people get on the automobile or get off the automobile. However, the existing automobiles do not have a good solution to the problem.
Disclosure of Invention
The invention aims to solve the problem of difficult disinfection of the interior of an automobile. The invention utilizes the prior automobile air conditioner, adds a high-temperature heater for the automobile air conditioner, and provides a corresponding controller and a control method, thereby solving the problem of difficult disinfection in the automobile in the prior art at lower cost.
The invention provides a virucidal vehicle-mounted air conditioner assembly, which comprises: a vehicle-mounted air conditioner, an air conditioner controller, at least two occupant detection components, and a temperature detection component; the vehicle-mounted air conditioner comprises an air conditioner pipeline, a shell, a blower and a high-temperature heater, wherein the blower and the high-temperature heater are arranged in the shell; the air conditioner controller controls the start and stop of the blower and the high-temperature heater; the temperature detection part is arranged in a cockpit of the automobile and is in communication connection with the air conditioner controller so as to feed a cockpit temperature detection value back to the air conditioner controller; each passenger detection part is arranged on a corresponding seat of the automobile and is in communication connection with the air conditioner controller so as to feed back the seat riding detection result of the automobile to the air conditioner controller; when the temperature of the cockpit does not reach the preset virus killing temperature threshold value and no person is in the cockpit according to the seat riding detection result of the automobile, the air-conditioning controller controls the high-temperature heater to be started, and the heat of the high-temperature heater is sent into the cockpit through an air-conditioning pipeline of the vehicle-mounted air conditioner through the air blower.
When the vehicle-mounted air conditioner is used, the air conditioner controller controls the passenger detection part to judge whether passengers exist in the vehicle or not after receiving the command of starting antivirus, the passenger detection part feeds back a detection result to the air conditioner controller in communication connection, when the detection result is unmanned, the air conditioner controller controls the high-temperature heater and the vehicle-mounted air conditioner to start working, the air blower sends the heat of the high-temperature heater into a driving cabin through an air conditioner pipeline of the vehicle-mounted air conditioner, and the interior of the vehicle is heated to the temperature for killing viruses and the interior of the vehicle is sterilized. And after controlling the high-temperature heater and the vehicle-mounted air conditioner to start, the air conditioner controller controls the temperature detection component to detect the temperature inside the automobile, and controls the high-temperature heater and the vehicle-mounted air conditioner to stably work at the virus killing temperature according to the temperature fed back by the temperature detection component. Therefore, viruses at all corners of the passenger cabin in the automobile are effectively killed through high temperature, the safety of passengers is protected, and the danger of the passengers in the automobile caused by the disinfection under the condition of people is prevented.
According to another embodiment of the invention, the vehicle-mounted air conditioning assembly for killing virus is disclosed, wherein the vehicle is a fuel-oil vehicle, and the high-temperature heater is connected in series in an engine cooling small cycle of the fuel-oil vehicle; wherein the high temperature heater is located upstream of the water pump in the engine cooling minor cycle; and the high-temperature heater is positioned between the air blower and each outlet of the air conditioning pipeline in the vehicle-mounted air conditioner.
By adopting the scheme, the existing automobile engine and the existing vehicle-mounted air conditioner are utilized, only the high-temperature heater and the controller are added, and the virus-killing vehicle-mounted air conditioner assembly is formed and disinfected in the automobile by changing the general working mode of the air conditioner, so that the problem of difficulty in disinfection in the automobile in the prior art is solved.
According to another specific embodiment of the invention, the vehicle is a new energy vehicle, and the high-temperature heater is electrically connected with a power battery of the new energy vehicle; wherein the high temperature heater is located between the blower and each outlet of the air conditioning duct in the vehicle air conditioner.
By adopting the scheme, the existing new energy automobile and the existing vehicle-mounted air conditioner are utilized, the common working mode of the air conditioner is changed, the virus-killing vehicle-mounted air conditioner component is formed at a lower cost, the interior of the automobile is disinfected, and the problem of difficulty in disinfection in the automobile in the prior art is solved.
According to another specific embodiment of the invention, the virucidal vehicle-mounted air conditioner assembly disclosed by the embodiment of the invention further comprises a timing component, the timing component is electrically connected with the air conditioner controller, and the air conditioner controller starts or shuts off the high-temperature heater according to the preset time of the timing component.
By adopting the scheme, the timing component is used for controlling the antivirus time and finishing the antivirus program by interacting with the air conditioner controller. The one-key antivirus device can be used for killing virus without operating the closing process after the passenger clicks the starting process, is convenient to operate, avoids the situations of forgetting the start of antivirus and overlong antivirus time, and saves energy.
According to another specific embodiment of the invention, the virucidal vehicle-mounted air conditioner assembly disclosed by the embodiment of the invention further comprises a starting switch, and the starting switch is electrically connected with the air conditioner controller so as to connect and disconnect the control of the air conditioner controller on the high-temperature heater.
By adopting the scheme, the control on the virus-killing vehicle-mounted air conditioner component is completed through simple circuit connection, and the virus-killing vehicle-mounted air conditioner component can be an air conditioner panel or a key switch arranged in a vehicle.
According to another embodiment of the present invention, the air conditioning duct, the housing, and the instrument panel of the vehicle are made of high temperature resistant materials.
By adopting the scheme, the high-temperature resistant material can be a conventional plastic material, such as PA6+ GF 30. The high temperature resistant design is used for the air conditioner pipeline, the shell and the instrument panel of the automobile, and the parts close to the air outlet can be prevented from being damaged at the high temperature of disinfection.
According to another specific embodiment of the invention, the air conditioner controller is in communication connection with an on-board controller of an automobile.
By adopting the scheme, the existing automobile parts can be utilized to effectively control the virus-killing vehicle-mounted air conditioner assembly, the installation cost is low, and the control effect is good.
The invention also provides a control method of the virus-killing vehicle-mounted air conditioner assembly, which comprises the following steps:
s1: judging whether to enter a high-temperature heater working mode;
s2: and if the driver cabin is judged to enter the high-temperature heater working mode, judging whether the driver cabin is unmanned or not according to the detection result of the passenger detection part.
S3: and if the cockpit is judged to be unmanned, judging whether the temperature of the cockpit reaches a preset virus killing temperature threshold value according to the detection result of the temperature detection part.
S4: and if the temperature of the cockpit does not reach the virus killing temperature threshold value, the air conditioner controller starts the high-temperature heater and the air blower so as to send the heat of the high-temperature heater into the cockpit through an air conditioner pipeline of the vehicle-mounted air conditioner.
S5: and judging whether the temperature of the cab reaches a preset virus killing temperature threshold value or not according to the detection result of the temperature detection component, and if the temperature of the cab reaches the virus killing temperature threshold value, starting a timing component by the air conditioner controller and maintaining the high-temperature heater to operate for a preset time.
S6: and after the timing part judges that the high-temperature heater operates for a preset time, the air conditioner controller closes the high-temperature heater.
By adopting the scheme, the vehicle-mounted air conditioner can be transformed to effectively kill viruses at all corners of the passenger cabin in the vehicle through high temperature at lower cost, meanwhile, the safety of passengers is protected, and the danger of the passengers in the vehicle caused by the virus killing under the condition of people is prevented. And the antivirus process is automatically maintained and closed by judging the antivirus time and the temperature in the vehicle, so that the trouble of controlling and operating the vehicle by an operator for many times is saved, and the function of one-key antivirus is achieved.
According to another embodiment of the present invention, in the control method disclosed in the embodiment of the present invention, the virus killing temperature threshold includes a first preset temperature threshold and a second preset temperature threshold, and the predetermined time includes a first preset time and a second preset time; wherein the first temperature threshold is in the range of 56 ℃ to 60 ℃ and the corresponding first predetermined time is in the range of 30 minutes to 40 minutes; and the second temperature threshold is in the range of 76 ℃ to 85 ℃ and the corresponding second predetermined time is in the range of 20 minutes to 35 minutes.
By adopting the scheme, the two gears of 56-60 ℃ and 76-85 ℃ can respectively finish virus killing in the corresponding first preset time and second preset time, the 56-60 ℃ is the most economical point for killing viruses, and the 76-85 ℃ is the most economical point without extra hardware investment. The first temperature threshold can be quickly cooled to allow passengers to enter after the first preset time is used for completing antivirus, and the second temperature threshold can be quickly used for completing antivirus in the second preset time. And the first temperature threshold and the second temperature threshold do not exceed 85 ℃ at most, and the influence on parts in the vehicle is minimum.
According to another embodiment of the present invention, in the control method disclosed in the embodiment of the present invention, in step S6, after the timing component determines that the high temperature heater operates for the predetermined time, the onboard controller receives a shutdown signal from the air conditioner controller, and controls the power unit of the vehicle to be turned off, so as to turn off the high temperature heater; when the automobile is a fuel automobile, the power unit is an engine of the automobile.
By adopting the scheme, the closing process after the disinfection is finished, the air conditioner controller directly closes the power unit of the automobile after the disinfection is finished in the preset time according to the feedback of the timing part, and the disinfection is stopped more directly.
The invention has the beneficial effects that:
after the air conditioner controller receives the command of starting the antivirus, the air conditioner controller controls the passenger detection part to judge whether passengers exist in the automobile or not, the passenger detection part feeds back a detection result to the air conditioner controller in communication connection, when the detection result is that no passenger exists, the air conditioner controller controls the high-temperature heater and the vehicle-mounted air conditioner to start working, the air blower sends the heat of the high-temperature heater into the driving cabin through an air conditioning pipeline of the vehicle-mounted air conditioner, and the interior of the automobile is heated to the temperature for killing viruses and the interior of the automobile is sterilized. And after controlling the high-temperature heater and the vehicle-mounted air conditioner to start, the air conditioner controller controls the temperature detection component to detect the temperature inside the automobile, and controls the high-temperature heater and the vehicle-mounted air conditioner to stably work at the virus killing temperature according to the temperature fed back by the temperature detection component. Therefore, viruses at all corners of the passenger cabin in the automobile are effectively killed through high temperature, the safety of passengers is protected, and the danger of the passengers in the automobile caused by the disinfection under the condition of people is prevented.
Drawings
FIG. 1 is a control schematic block diagram of an embodiment of a virucidal in-vehicle air conditioning assembly in example 1 of the present invention;
FIG. 2 is a schematic structural diagram of a vehicle air conditioner of an embodiment of a virucidal vehicle air conditioner assembly according to example 1 of the present invention;
FIG. 3 is a block diagram schematically illustrating the structure of an engine of an embodiment of a virucidal on-board air conditioning assembly in example 1 of the present invention;
FIG. 4 is a schematic structural diagram of a vehicle air conditioner of an embodiment of a virucidal vehicle air conditioner assembly according to embodiment 3 of the present invention;
fig. 5 is a flowchart of a control method of a virus-killing vehicle-mounted air conditioner assembly in embodiment 2 of the present invention.
Description of reference numerals:
10: a vehicle-mounted air conditioner;
11: an air conditioning pipeline; 111: an outlet; 112: a mixing damper; 12: a housing; 13: a blower; 14: a high temperature heater;
20: an air conditioner controller; 30: an occupant detection section;
40: a temperature detection part; 50: a timing component; 60: the switch is activated.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure. While the invention will be described in conjunction with the preferred embodiments, it is not intended that features of the invention be limited to these embodiments. On the contrary, the invention is described in connection with the embodiments for the purpose of covering alternatives or modifications that may be extended based on the claims of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be practiced without these particulars. Moreover, some of the specific details have been left out of the description in order to avoid obscuring or obscuring the focus of the present invention. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
It should be noted that in this specification, like reference numerals and letters refer to like items in the following drawings, and thus, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.
In the description of the present embodiment, it should be noted that the terms "upper", "lower", "inner", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally placed when the products of the present invention are used, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements indicated must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the present invention.
The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present embodiment, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed," "connected," and "connected" are to be interpreted broadly, e.g., as a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present embodiment can be understood in specific cases by those of ordinary skill in the art.
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Example 1
The present invention provides a virucidal vehicle-mounted air conditioning assembly, as shown in fig. 1, comprising: an in-vehicle air conditioner 10, an air conditioner controller 20, at least two occupant detection means 30, and a temperature detection means 40; the vehicle-mounted air conditioner 10 comprises an air conditioning pipeline 11, a shell 12, a blower 13 and a high-temperature heater 14, wherein the blower 13 and the high-temperature heater 14 are arranged in the shell 12; the air conditioner controller 20 controls the start and stop of the blower 13 and the high-temperature heater 14; the temperature detection part 40 is arranged in a cab of the automobile and is in communication connection with the air conditioner controller 20 so as to feed back a cab temperature detection value to the air conditioner controller 20; each occupant detection component 30 is disposed on a corresponding seat of the vehicle and is in communication connection with the air conditioner controller 20 to feed back the seat seating detection result of the vehicle to the air conditioner controller 20; when the temperature of the cab does not reach the preset virus killing temperature threshold value and no person is in the cab according to the seat riding detection result of the automobile, the air conditioner controller 20 controls the high-temperature heater 14 to be started, and the heat of the high-temperature heater 14 is sent into the cab through the air conditioner pipeline 11 of the vehicle-mounted air conditioner 10 through the blower 13.
Specifically, the air conditioner controller 20 may be a conventional air conditioner controller 20 provided in the vehicle air conditioner 10 in the prior art, and is implemented by adding a connection circuit, or may be connected with the vehicle controller BCM to control various components of the virus-killing vehicle air conditioner assembly.
The high temperature heater 14 may be a PTC heater or an electric heating tube, a heating wire, or other heating devices. In the present embodiment, the high temperature heater 14 may be a heater that is already available in the existing vehicle air conditioner, and the heating power thereof may be modified to increase, or a heater may be additionally provided in the vehicle air conditioner 10 to improve the temperature raising capability of the air conditioner. The high temperature heater 14 needs to be designed by calculating a performance requirement meeting an indoor maximum virus killing temperature threshold (for example, 80 ℃) according to the indoor size of the whole vehicle, and then the high temperature heater operates in a heating mode as a common air conditioning system.
The occupant detecting unit 30 is used for detecting whether or not a person is present in a corresponding seat of the vehicle, and may be a pressure sensor or an optical detection sensor. In the present embodiment, the occupant detection unit 30 uses the existing "presence of seat person signal" received from the airbag on the CAN bus to decide whether or not to allow the virus-killing mode to be activated.
The temperature detecting component 40 may be a temperature sensor that is provided on the vehicle air conditioner 10 in the prior art, and in this embodiment, it may be modified to be used only by increasing the monitoring range, for example, to monitor that the indoor temperature is stabilized at 80 ℃ or 56 ℃, the modification cost is very low, and the temperature sensor interacts with the air conditioner controller 20 to stabilize the temperature.
The virus killing temperature threshold may be selected according to design requirements, and the embodiment is not particularly limited. For example, the isolated COVID-19 virus can be completely inactivated and killed after being sterilized for 30 minutes at a temperature of 56 ℃, and considering that the difference between the local temperature in the vehicle and the temperature close to the temperature detection component 40 exists, the virus-killing temperature threshold value can be set to be higher than the inactivation temperature of the general virus under the experimental condition, that is, the virus-killing temperature threshold value can be set to be 56 ℃ or higher.
The specific structure of the in-vehicle air conditioner 10, see fig. 2 or fig. 4, includes an air conditioning duct 11, a casing 12, and a blower 13 provided in the casing 12, and a high temperature heater 14 is provided on a path through which an air current formed between the air conditioning duct 11 and the blower 13 flows, and heat of the high temperature heater 14 is sent into the cabin via the air conditioning duct 11 of the in-vehicle air conditioner 10 by the blower 13. The in-vehicle air conditioner 10 may further include components such as a filter element and an evaporator according to design requirements and a conventional air conditioner design, and the present embodiment does not specifically limit the conventional components of the in-vehicle air conditioner 10 mounted on the vehicle.
It should be understood that, in order to control the on and working states of the antivirus vehicle-mounted air conditioner assembly, a switch component may be provided, which is in communication connection or electrical connection with the air conditioner controller 20, and the switch component may specifically be an air conditioner control panel of the vehicle-mounted air conditioner 10, or may be a remote device accessing to a vehicle CAN bus (for example, a mobile phone terminal device passing through a T-BOX network and in communication connection with the vehicle CAN bus). During operation, a key for killing virus by one key or a virtual key can be arranged on the starting switch, so that a virus killing instruction is sent to control the operation of the virus killing vehicle-mounted air conditioning assembly, and the content of the virus killing instruction can be selected according to design requirements (for example, at least one temperature raising program is arranged, and the temperature raising program is the time for which the virus killing vehicle-mounted air conditioning assembly always operates at the virus killing temperature or works for a preset time). In the present embodiment, the specific physical button for controlling the operation of the virucidal vehicle air conditioner assembly is not particularly limited.
When the vehicle-mounted air conditioner is used, after the air conditioner controller 20 receives a command of starting disinfection, the air conditioner controller 20 controls the passenger detection part 30 to judge whether passengers are in the vehicle or not, the passenger detection part 30 feeds back a detection result to the air conditioner controller 20 in communication connection, when the detection result is that no passenger exists, the air conditioner controller 20 controls the high-temperature heater 14 and the vehicle-mounted air conditioner 10 to start working, the air blower 13 drives air to flow to the high-temperature heater 14, heat of the high-temperature heater 14 is sent into a cab through an air conditioning pipeline 11 of the vehicle-mounted air conditioner 10, the temperature of the interior of the vehicle is raised to a virus killing temperature, and the interior of the vehicle is disinfected. After controlling the high temperature heater 14 and the vehicle air conditioner 10 to start, the air conditioner controller 20 controls the temperature detection component 40 to detect the temperature inside the automobile, and the air conditioner controller 20 controls the high temperature heater 14 and the vehicle air conditioner 10 to stably work at the virus killing temperature according to the temperature fed back by the temperature detection component 40. Therefore, viruses at all corners of the passenger cabin in the automobile are effectively killed through high temperature, the safety of passengers is protected, and the danger of the passengers in the automobile caused by the disinfection under the condition of people is prevented.
In a preferred embodiment, the vehicle carrying the virucidal on-board air conditioning module is a fuel-powered vehicle, and as shown in fig. 2 and 3, the high temperature heater 14 is connected in series with the engine cooling small cycle of the fuel-powered vehicle; wherein the high temperature heater 14 is located upstream of the water pump in the engine cooling small cycle; and the high temperature heater 14 is located between the blower 13 and each outlet 111 of the air conditioning duct 11 in the in-vehicle air conditioner 10.
Specifically, as shown in fig. 2, the "respective outlets 111" of the air-conditioning duct 11 include a defrosting defogging air opening, a foot blowing air opening, a face blowing air opening, and the like of the related art in-vehicle air conditioner 10. As shown in fig. 3, the engine of the fuel-powered automobile in the present embodiment is a prior art fuel-powered engine, and has at least a cylinder liner and a cooling system, and the cooling system includes a large circulation and a small circulation, and the specific structure of the large circulation and the small circulation is shown in fig. 3, wherein a coolant liquid is contained in a water tank, and an air flow passes through the water tank to be cooled into the atmosphere.
In the present embodiment, as shown in fig. 2, a mixing damper 112 is disposed in the air conditioning pipeline 11, the mixing damper 112 is used for controlling the opening and closing of two air paths, one of which passes through the high temperature heater 14, and the other of which does not pass through, and the two pipelines are respectively communicated with the small circulation, that is, the high temperature heater 14 is connected in series with the small circulation. When the air conditioner is not used for killing virus, the air directly passes through the mixing air door 112 from the air conditioning pipeline 11 to the interior of the vehicle through the outlet 111, and when the air conditioner is used for killing virus, the small-circulation hot air flow reaches the air conditioning pipeline 11 through the high-temperature heater 14.
More specifically, the engine operation process is carried out according to a general engine cooling principle before killing viruses, namely, the engine operation is firstly started to be a small cycle, the heat energy converted by the engine operation after a period of time enables the heating temperature of the cylinder sleeve to be increased (for example, to be higher than 80 ℃) so as to start a large cycle, and an ECU (electronic control unit) receives an instruction to cool the engine according to the cycle when the virus killing function is not started.
The engine is operated after the start of the sterilization mode, and in the case where it is confirmed that there is no person on the fuel automobile and the engine is on, the heat energy converted by the operation of the engine is reduced (for example, to below 30%) by the heat exchange of the high temperature heater 14. The high temperature heater 14 may now be connected in series within the engine cooling system small cycle. When the temperature in the small circulation reaches a first preset temperature (for example 80 ℃), controlling the operation of the cooling system by the ECU, and not starting the large circulation at the moment; when the temperature in the small circulation continues to rise to a second preset temperature (for example, 120 ℃), the stable heat energy is converted to conduct the heat in the small circulation to the interior of the vehicle, so that the temperature in the cockpit continuously rises until the temperature in the vehicle reaches a set virus killing temperature threshold value detected by the temperature detection component 40, and the virus killing temperature is maintained to operate, heat and kill viruses.
By adopting the scheme, the existing automobile engine and the vehicle-mounted air conditioner 10 are utilized, the general working mode of the air conditioner is changed, the virus-killing vehicle-mounted air conditioner component is formed at lower cost, the interior of the automobile is disinfected, and the problem of difficulty in disinfection in the automobile in the prior art is solved.
In a preferred embodiment, as shown in fig. 1, the virucidal vehicle air conditioner assembly further includes a timing part 50, the timing part 50 is electrically connected to the air conditioner controller 20, and the air conditioner controller 20 starts or stops the high temperature heater 14 according to a predetermined time of the timing part 50.
Specifically, the timing part 50 serves to control the sterilization time and complete the sterilization process by interacting with the air conditioner controller 20.
For example, in the above embodiment, after the antivirus vehicle-mounted air conditioner assembly starts to kill virus, the timing unit 50 starts to time, the virus is killed for a predetermined time (for example, 40 minutes at 56 ℃) at a preset virus killing temperature, the virus can be completely killed after heating, and the air conditioner controller 20 is automatically turned off after disinfection according to the feedback of the timing unit 50.
In a preferred embodiment, as shown in fig. 1, a start switch is further included, and the start switch 60 is electrically connected to the air conditioner controller 20 to connect and disconnect the control of the air conditioner controller 20 to the high temperature heater 14.
Specifically, the start switch 60 in the present embodiment, i.e. the switch component for controlling the on and operating states of the virus-killing vehicle-mounted air conditioning assembly, in the present embodiment, the control of the virus-killing vehicle-mounted air conditioning assembly is completed through a simple circuit connection, and may be an air conditioning panel or a key switch disposed in a vehicle.
In a preferred embodiment, the air conditioning duct 11, the housing 12, and the dashboard of the vehicle are made of a high temperature resistant material.
Specifically, the high-temperature resistant material may be a plastic material commonly used in the prior art, such as PA6+ GF 30. The use of high temperature resistant designs for the air conditioning duct 11, the housing 12, and the instrument panel of the vehicle can prevent components near the air outlet from being damaged at the high temperatures of sterilization.
It is understood that the interior parts of the automobile are required to be resistant to temperature of over 100 ℃ during design, and the temperature resistant ranges of relevant electronic devices such as instrument screens, controllers, sound equipment and the like during the design of the whole automobile are all larger than 85 ℃, so that the parts of the passenger compartment do not need to be subjected to high-temperature resistant treatment additionally. Also, therefore, in one embodiment, the maximum virucidal temperature threshold for the virucidal on-board air conditioning pack is in the range of 76 ℃ to 85 ℃, both to kill viruses and to avoid damage to internal components, and to conserve energy.
In a preferred embodiment, the climate controller 20 is communicatively connected to an onboard controller of the vehicle.
By adopting the scheme, the existing automobile parts can be utilized to effectively control the virus-killing vehicle-mounted air conditioner assembly, the installation cost is low, and the control effect is good.
Example 2
In this embodiment, a method for controlling a virucidal vehicle-mounted air conditioner component in embodiment 1 is provided, as shown in fig. 5, including the following steps:
s1: judging whether to enter a high-temperature heater working mode;
specifically, whether to enter the high temperature heater operation mode may be determined based on a switch or other components that may issue an activation command or determine the state of activation operation, such as the activation switch 60 or the switch component in embodiment 1. The working mode of the high-temperature heater may be at least one temperature rise program, that is, the high-temperature heater 14 works at different virus killing temperatures for corresponding preset time, 1 or more gears may be set according to design requirements, or the high-temperature heater does not set the preset time and kills the virus until the high-temperature heater is manually turned off.
S2: if the driver's cabin high temperature heater 14 is judged to enter the operation mode, whether the driver's cabin is unmanned or not is judged according to the detection result of the passenger detection part 30.
Specifically, the start switch 60 sends a signal to the air conditioning controller 20 after turning on, for example, a "one-key sterilization" button, and determines that the high temperature heater 14 in the cockpit is in the operating mode, and the air conditioning controller 20 sends a signal to the passenger detection unit 30 to detect whether a person is present after receiving the start signal. When the occupant detection unit 30 feeds back that there is a person in the seat, a signal is directly sent to the ECU, and the ECU turns off the high temperature heater 14 upon receiving the signal.
S3: if the cockpit is judged to be unmanned, whether the temperature of the cockpit reaches a preset virus killing temperature threshold value is judged according to the detection result of the temperature detection component 40.
Specifically, the virus-killing temperature threshold may be a temperature of 56 ℃ or 80 ℃, or a plurality of temperature steps may be set with the temperature selected by the operator by activating the switch 60 as the threshold.
S4: if it is judged that the temperature of the cabin does not reach the virus-killing temperature threshold value, the air-conditioning controller 20 starts the high-temperature heater 14 and the blower 13 to send the heat of the high-temperature heater 14 into the cabin via the air-conditioning duct 11 of the in-vehicle air conditioner 10.
S5: according to the detection result of the temperature detection part 40, whether the temperature of the cockpit reaches the predetermined virus killing temperature threshold value is judged, and if the temperature of the cockpit reaches the virus killing temperature threshold value, the air conditioner controller 20 starts the timing part 50 and maintains the operation of the high temperature heater 14 for a predetermined time.
For example, the first gear (mode with the temperature of 56 ℃) is selected for disinfection according to the condition of the driver and the passengers, or the second gear (mode with the temperature of 80 ℃) is selected for disinfection.
S6: after the timing part 50 judges that the high temperature heater 14 operates for a predetermined time, the air conditioner controller 20 turns off the high temperature heater 14.
Specifically, when the fuel vehicle is turned off after completing the sterilization, the air conditioner controller 20 needs to send a completion signal to the ECU after completing the sterilization at a predetermined time according to the feedback of the timing unit 50, and the ECU directly turns off the high temperature heater 14 after receiving the shutdown signal. For example, the first gear (the mode with the temperature of 56 ℃) is selected according to the conditions of the driver and the passengers for disinfection for 30 minutes, and then disinfection is completed and shut down, or the second gear (the mode with the temperature of 80 ℃) is selected for disinfection for 20 minutes, and then disinfection is completed and shut down.
By adopting the scheme, the viruses at all corners of the passenger cabin in the automobile are effectively killed through high temperature, meanwhile, the safety of passengers is protected, and the danger caused by the disinfection under the condition of people to the passengers in the automobile is prevented. And the antivirus process is automatically maintained and closed by judging the antivirus time and the temperature in the vehicle, so that the trouble of controlling and operating the vehicle by an operator for many times is saved, and the function of one-key antivirus is achieved.
In a preferred embodiment, the virus killing temperature threshold comprises a first preset temperature threshold and a second preset temperature threshold, and the preset time comprises a first preset time and a second preset time; wherein the first temperature threshold is in the range of 56 ℃ to 60 ℃ and the corresponding first predetermined time is in the range of 30 minutes to 40 minutes; and the second temperature threshold is in the range of 76 ℃ to 85 ℃ and the corresponding second predetermined time is in the range of 20 minutes to 35 minutes.
In particular, the virucidal temperature threshold and the corresponding predetermined time may be a programmed gear setting, such that the driver may select through the setting of a two gear shift.
More specifically, the two gears 56-60 ℃ and 76-85 ℃ can respectively complete the sterilization within the corresponding first preset time and second preset time, the 56-60 ℃ is the most economical point for killing viruses, and the 76-85 ℃ is the most economical point for not requiring extra hardware investment. The first temperature threshold can be quickly cooled to allow passengers to enter after the first preset time is used for completing antivirus, and the second temperature threshold can be quickly used for completing antivirus in the second preset time. And the first temperature threshold and the second temperature threshold do not exceed 85 ℃ at most, and the influence on parts in the vehicle is minimum.
According to another embodiment of the present invention, in the control method disclosed in the embodiment of the present invention, in step S6, after the timing part 50 determines that the high temperature heater 14 operates for the predetermined time, the onboard controller receives the off signal from the air conditioner controller 20, and controls the power unit of the vehicle to be turned off, so as to turn off the high temperature heater 14; when the automobile is a fuel automobile, the power unit is an engine of the automobile; when the automobile is a new energy vehicle, the power unit is a power battery of the automobile.
By adopting the scheme, the fuel vehicle is shut down after the disinfection is finished, the air conditioner controller 20 is required to send a completion signal to the ECU after the disinfection is finished in the preset time according to the feedback of the timing part 50, and the ECU directly shuts down the engine of the vehicle after receiving the shutdown signal, so that the disinfection mode is shut down more directly.
Example 3
The vehicle-mounted virus-killing air conditioner component is different from the vehicle in the embodiment 1 in that the vehicle in the embodiment is a new energy vehicle, and the high-temperature heater 14 is electrically connected with a power battery of the new energy vehicle. As shown in fig. 4, in which the high temperature heater 14 is located between the blower 13 and each outlet 111 of the air conditioning duct 11 in the vehicle air conditioner.
For convenience of understanding, the usage process of the virucidal vehicle-mounted air conditioner component of the new energy electric vehicle is illustrated as follows:
after the new energy vehicle gets off, the start switch 60 is used to turn on the antivirus mode under the condition of the power battery READY, and the antivirus mode can be divided into two steps for antivirus, wherein one step (for example, the mode with the temperature of 56 ℃ in embodiment 2) is selected for antivirus for 30 minutes or two steps (the mode with the temperature of 80 ℃) are selected for antivirus for 20 minutes according to the self condition of the driver and passengers.
After the start switch 60 is pressed, a signal is sent to the air conditioner controller 20, after the air conditioner controller 20 receives the start signal, a signal is sent to the occupant detection part 30 to detect whether a person is present, when the occupant detection part 30 feeds back that a person is present in the seat, the signal is directly sent to the VCU, and the VCU stops the high-temperature heater 14 after receiving the signal. When the passenger detecting part 30 detects that the seat is not occupied, a signal is fed back to the air conditioner controller 20, and then the antivirus mode is formally started, the temperature detecting part 40 monitors the temperature in the cabin in real time, and when the temperature rises to a preset virus killing temperature threshold value selected by the passenger through the starting switch 60 (for example, 56 ℃ in the first gear or 80 ℃ in the second gear in the above embodiments 1 and 2), the air conditioner controller 20 maintains the operation at the temperature according to the heating performance for sterilizing the temperature in the cabin through the temperature information fed back by the temperature detecting part 40.
Example 4
A method for controlling a virucidal vehicle-mounted air conditioning module in embodiment 3 is provided, which is different from embodiment 2 in that the virucidal vehicle-mounted air conditioning module controlled in this embodiment is installed in a new energy vehicle.
In a preferred embodiment, in step S6, after the timing component 50 determines that the high temperature heater 14 is operated for a predetermined time, the onboard controller receives the off signal from the air conditioning controller 20 and controls the power unit of the vehicle to be turned off, so as to turn off the high temperature heater 14, wherein the power unit is the power battery of the vehicle when the vehicle is a new energy vehicle.
Specifically, when the occupant detection unit 30 feeds back that there is a person in the seat, it signals the VCU directly and the VCU turns off the power battery after receiving the signal.
While the invention has been shown and described with reference to certain preferred embodiments thereof, it will be understood by those skilled in the art that the foregoing is a more detailed description of the invention, taken in conjunction with the specific embodiments thereof, and that no limitation of the invention is intended thereby. Various changes in form and detail, including simple deductions or substitutions, may be made by those skilled in the art without departing from the spirit and scope of the invention.
Claims (10)
1. A virucidal on-board air conditioning pack for an automobile, comprising: a vehicle-mounted air conditioner, an air conditioner controller, at least two occupant detection components, and a temperature detection component; wherein
The vehicle-mounted air conditioner comprises an air conditioner pipeline, a shell, a blower and a high-temperature heater, wherein the blower and the high-temperature heater are arranged in the shell;
the air conditioner controller controls the start and stop of the blower and the high-temperature heater;
the temperature detection part is arranged in a cab of the automobile and is in communication connection with the air conditioner controller so as to feed back a temperature detection value of the cab to the air conditioner controller; and is
Each passenger detection component is arranged on a corresponding seat of the automobile and is in communication connection with the air conditioner controller so as to feed back the seat sitting detection result of the automobile to the air conditioner controller; wherein
When the temperature of the cockpit does not reach the preset virus killing temperature threshold value, and the seat of the automobile is taken to determine that no person is in the cockpit, the air conditioner controller controls the high-temperature heater to be started, and the heat of the high-temperature heater is sent into the cockpit through the air conditioner pipeline of the vehicle-mounted air conditioner by the air blower.
2. The virucidal on-board air conditioning pack of claim 1, wherein the vehicle is a fuel-powered vehicle and the high temperature heater is connected in series with an engine cooling small cycle of the fuel-powered vehicle; wherein
The high temperature heater is located upstream of a water pump in the engine cooling small cycle; and is
The high-temperature heater is located between the blower and each outlet of the air conditioning pipeline in the vehicle-mounted air conditioner.
3. The virucidal vehicle mounted air conditioner assembly of claim 1, wherein the vehicle is a new energy vehicle and the high temperature heater is electrically connected to a power battery of the new energy vehicle; wherein
The high-temperature heater is located between the blower and each outlet of the air conditioning pipeline in the vehicle-mounted air conditioner.
4. The virucidal vehicle air conditioner assembly of claim 2 or 3, further comprising a timing component electrically connected to the air conditioner controller, the air conditioner controller activating or deactivating the high temperature heater according to a predetermined time of the timing component.
5. The virucidal on-board air conditioning assembly of claim 4, further comprising a start switch electrically connected to the air conditioning controller to communicate and disconnect control of the air conditioning controller over the high temperature heater.
6. The virucidal on-board air conditioning pack of claim 5, wherein said air conditioning duct, said housing, and said dashboard of said vehicle are made of a high temperature resistant material.
7. The virucidal on-board air conditioning assembly of claim 6, wherein the air conditioning controller is communicatively coupled to an on-board controller of the vehicle.
8. A method of controlling a virucidal in-vehicle air conditioning pack according to any one of claims 5 to 7, comprising the steps of:
s1: judging whether to enter a high-temperature heater working mode;
s2: if the driver cabin high-temperature heater working mode is judged to be entered, judging whether the driver cabin is unmanned or not according to the detection result of the passenger detection part;
s3: if the cockpit is judged to be unmanned, judging whether the temperature of the cockpit reaches a preset virus killing temperature threshold value or not according to the detection result of the temperature detection component;
s4: if the temperature of the cockpit is judged not to reach the virus killing temperature threshold value, the air conditioner controller starts the high-temperature heater and the air blower so as to send the heat of the high-temperature heater into the cockpit through an air conditioner pipeline of the vehicle-mounted air conditioner;
s5: judging whether the temperature of the cockpit reaches a preset virus killing temperature threshold value or not according to the detection result of the temperature detection component, and if the temperature of the cockpit reaches the virus killing temperature threshold value, starting a timing component by the air conditioner controller and maintaining the high-temperature heater to operate for a preset time;
s6: and after the timing part judges that the high-temperature heater operates for a preset time, the air conditioner controller closes the high-temperature heater.
9. The control method of claim 8, wherein the virus killing temperature threshold comprises a first preset temperature threshold and a second preset temperature threshold, and the predetermined time comprises a first preset time and a second preset time; wherein
The first temperature threshold is in the range of 56 ℃ to 60 ℃ and the respective first predetermined time is in the range of 30 minutes to 40 minutes; and is
The second temperature threshold is in the range of 76 ℃ to 85 ℃ and the respective second predetermined time is in the range of 20 minutes to 35 minutes.
10. The control method according to claim 9, wherein in the step S6, after the timing part judges that the high temperature heater is operated for a predetermined time, the on-board controller receives a turn-off signal from the air conditioner controller, and controls a power unit of the vehicle to be turned off, thereby turning off the high temperature heater; wherein
When the automobile is a fuel automobile, the power unit is an engine of the automobile; and is
When the automobile is a new energy vehicle, the power unit is a power battery of the automobile.
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