CN112208292A - Control method and control system for carbon monoxide concentration in cab - Google Patents
Control method and control system for carbon monoxide concentration in cab Download PDFInfo
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- CN112208292A CN112208292A CN202010980116.1A CN202010980116A CN112208292A CN 112208292 A CN112208292 A CN 112208292A CN 202010980116 A CN202010980116 A CN 202010980116A CN 112208292 A CN112208292 A CN 112208292A
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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
- B60H1/00735—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
- B60H1/008—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 air quality
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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
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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
- B60R16/03—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 supply of electrical power to vehicle subsystems or for
- B60R16/033—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 supply of electrical power to vehicle subsystems or for characterised by the use of electrical cells or batteries
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- Air-Conditioning For Vehicles (AREA)
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Abstract
The application relates to a control method and a control system for carbon monoxide concentration in a cab, which relate to the technical field of intelligent control of the indoor environment quality of an automobile, and the control method and the control system are characterized in that carbon monoxide collecting devices which are connected with a parking air heater in series are respectively arranged in the cab and on the outer wall of an automobile body, can be synchronously opened with the parking air heater, collect the carbon monoxide concentration inside and outside the cab in real time and transmit the carbon monoxide concentration to an automobile body controller, the automobile body controller judges whether the carbon monoxide concentration inside and outside the cab exceeds a standard or not respectively and transmits the judgment result to the parking air heater, the parking air heater controls the heating function, the ventilation function and the on-off of a power supply thereof according to the judgment result, and further enables the carbon monoxide concentration inside and outside the cab to be lower than a safety limit value, therefore, the application can monitor the concentration of the carbon monoxide inside and outside the cab in real time, and, the carbon monoxide concentration in the cab is reduced, so that the personal safety of drivers and passengers is ensured.
Description
Technical Field
The application relates to the technical field of intelligent control of indoor environment quality of automobiles, in particular to a control method and a control system for carbon monoxide concentration in a cab.
Background
The traditional automobile heating device takes engine cooling water as a heat source, and the heating effect of the traditional automobile heating device is influenced by the running condition of an engine. The parking warm air device heats air by adopting modes of burning gasoline or diesel oil and the like and quickly provides heat for the cab, namely fuel oil is extracted from the oil tank through a special oil pump, the air in the cab is heated after the fuel oil is burnt, the engine does not need to be started, and the influence of the running condition of the engine is avoided. Referring to fig. 1, for a truck, a heater main unit of a parking air heater 3 is often installed under a sleeper of a cab 7, an air outlet is designed beside a seat, and an air outlet direction faces the front of the truck, so that the parking air heater 3 needs to be in the closed cab 7 for a long time and operates at a high temperature, a leakage problem is very likely to occur, once leakage occurs, a large amount of carbon monoxide enters the cab, and further, the life safety of people in the cab is greatly endangered.
Among the correlation technique, a portable environmental monitoring device is disclosed in chinese utility model patent specification CN210570799U, this monitoring device includes the casing, environmental data acquisition sensor, data information processing module and mobile communication module, it can be installed on bus or taxi, so that constantly send the environmental data and the GPS positioning information who gathers to outside server at the in-process that removes along with bus and taxi, provide analytic processing's data for outside server, and in time discover the pollution condition and judge the pollution source place, provide effective, timely and accurate environmental data for ecological environment management and decision-making. However, whether the parking air heater leaks or not in the vehicle body is not detected, and no protective measures are taken, the parking air heater heats air by burning gasoline or diesel oil and the like, and can generate waste gas containing a large amount of carbon monoxide, and once the combustion is insufficient, the waste gas can directly enter a cab along with a pipeline; the air inlet and the air outlet of the parking warm air device are close to each other, and exhaust gas exhausted by the parking warm air device can be sucked into the air inlet to enter a cab after secondary combustion; in addition, the exhaust pipe and the air inlet pipe of the parking heater unit are led to the outside of the cab after penetrating through the through holes in the floor of the cab, the exhaust pipe, the air inlet pipe and the floor are tightly sealed through bolts, and if the parking heater unit is not firm to install, waste gas containing a large amount of carbon monoxide can enter the cab through the through holes, so that the life safety of drivers and passengers is threatened.
Disclosure of Invention
The embodiment of the application provides a control method and a control system for carbon monoxide concentration in a cab, and aims to solve the problem that in the related art, the life safety of personnel in the cab is threatened because leakage of a parking air heater in a vehicle body is not detected and no protective measures are taken.
In a first aspect, a method for controlling a carbon monoxide concentration in a cab is provided, which includes the following steps:
the carbon monoxide collecting device collects a first carbon monoxide concentration in a cab and a second carbon monoxide concentration outside the cab, and transmits the first carbon monoxide concentration and the second carbon monoxide concentration to the automobile body controller;
the vehicle body controller receives the first carbon monoxide concentration and the second carbon monoxide concentration, judges whether the first carbon monoxide concentration and the second carbon monoxide concentration respectively exceed the standards or not, and transmits a judgment result to the parking air heater;
and the parking warm air device receives the judgment result and controls the heating function, the ventilation function and the on-off of the power supply of the parking warm air device according to the judgment result.
In some embodiments, the controlling the heating function, the ventilation function and the on/off of the power supply according to the determination result further includes: if the first carbon monoxide concentration and the second carbon monoxide concentration are both smaller than the carbon monoxide concentration safety limit value, the parking warm air device starts the heating function of the parking warm air device; if the first carbon monoxide concentration is greater than the carbon monoxide concentration safety limit value and the second carbon monoxide concentration is less than the carbon monoxide concentration safety limit value, the parking warm air device closes the heating function and starts the ventilation function; and if the second carbon monoxide concentration is greater than or equal to the carbon monoxide concentration safety limit value, the parking warm air device turns off the power supply of the parking warm air device.
The control method further comprises the following steps: and after the vehicle body controller judges whether the first carbon monoxide concentration and the second carbon monoxide concentration respectively exceed the standard, the vehicle body controller transmits a judgment result to a vehicle window control device, and the vehicle window control device controls the lifting of a vehicle window according to the judgment result.
The control method further comprises the following steps: and after the vehicle body controller judges whether the first carbon monoxide concentration and the second carbon monoxide concentration respectively exceed the standard, the vehicle body controller controls an alarm device to alarm and remind.
The control method further comprises the following steps: and after the vehicle body controller judges whether the first carbon monoxide concentration and the second carbon monoxide concentration respectively exceed the standard, the vehicle body controller transmits a judgment result to a remote server, and the remote server receives and stores the judgment result.
In a second aspect, a control system for controlling a carbon monoxide concentration in a cab is provided, including: the device comprises a carbon monoxide collecting device, a vehicle body controller and a parking warm air device;
the carbon monoxide collecting device is connected with the parking warm air device in series, and comprises a first collector and a second collector, wherein the first collector is arranged in the cab and used for collecting the concentration of first carbon monoxide in the cab and transmitting the concentration of the first carbon monoxide to the automobile body controller, and the second collector is arranged on the outer wall of the automobile body and used for collecting the concentration of second carbon monoxide outside the cab and transmitting the concentration of the second carbon monoxide to the automobile body controller;
the vehicle body controller is used for receiving the first carbon monoxide concentration and the second carbon monoxide concentration, judging whether the first carbon monoxide concentration and the second carbon monoxide concentration respectively exceed standards or not, and transmitting a judgment result to the parking warm air device;
and the parking warm air device is used for receiving the judgment result and controlling the heating function, the ventilation function and the on-off of the power supply of the parking warm air device according to the judgment result.
In some embodiments, the controlling of the heating function, the ventilation function, and the on/off of the power supply thereof according to the determination result specifically includes the following control strategies: if the first carbon monoxide concentration and the second carbon monoxide concentration are both smaller than the carbon monoxide concentration safety limit value, the parking warm air device starts the heating function of the parking warm air device; if the first carbon monoxide concentration is greater than the carbon monoxide concentration safety limit value and the second carbon monoxide concentration is less than the carbon monoxide concentration safety limit value, the parking warm air device closes the heating function and starts the ventilation function; and if the second carbon monoxide concentration is greater than or equal to the carbon monoxide concentration safety limit value, the parking warm air device turns off the power supply of the parking warm air device.
The control system further comprises a vehicle window control device, the vehicle body controller is further used for transmitting the judgment result to the vehicle window control device, and the vehicle window control device is used for receiving the judgment result and controlling the lifting of the vehicle window according to the judgment result.
The control system further comprises an alarm device, and the alarm device is connected with the automobile body controller.
The control system further comprises a remote server, the automobile body controller is further used for transmitting the judgment result to the remote server, and the remote server is used for receiving and storing the judgment result.
The beneficial effect that technical scheme that this application provided brought includes: the concentration of carbon monoxide inside and outside the cab can be monitored in real time, and when the concentration value exceeds a safety limit value, an intervention measure can be actively implemented, so that the concentration of the carbon monoxide in the cab is reduced, and the personal safety of drivers and passengers in the cab is ensured.
The embodiment of the application provides a control method and a control system for carbon monoxide concentration in a cab, as carbon monoxide collecting devices which are connected with a parking air heater in series are respectively arranged in the cab and on the outer wall of a vehicle body, the carbon monoxide collecting devices can be synchronously opened with the parking air heater, the carbon monoxide concentration inside and outside the cab is collected in real time and transmitted to a vehicle body controller, the vehicle body controller judges whether the carbon monoxide concentration inside and outside the cab exceeds the standard or not respectively and transmits the judgment result to the parking air heater, the parking air heater controls the heating function, the ventilation function and the on-off of a power supply thereof according to the judgment result, and further the carbon monoxide concentration in the cab is lower than a safety limit value, therefore, the invention can monitor the carbon monoxide concentration inside and outside the cab in real time and can actively implement intervention measures when the concentration value exceeds the safety limit value, the carbon monoxide concentration in the cab is reduced, so that the personal safety of drivers and passengers in the cab is ensured.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic diagram of a parking heater according to the prior art;
fig. 2 is a schematic flow chart of a method for controlling a concentration of carbon monoxide in a cab according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a control system for controlling a concentration of carbon monoxide in a cab according to an embodiment of the present disclosure;
fig. 4 is a schematic layout view of a first collector provided in an embodiment of the present application;
fig. 5 is a schematic layout view of a second collector provided in the embodiment of the present application;
fig. 6 is another arrangement schematic diagram of a second collector provided in an embodiment of the present application.
In the figure: the system comprises a carbon monoxide collecting device, a first collector, a second collector, a vehicle body controller, a 3-parking warm air device, a 4-vehicle window control device, an alarm device, a 6-remote server and a 7-cab.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all 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 application.
The embodiment of the application provides a control method and a control system for carbon monoxide concentration in a cab, which can solve the problem that in the related art, the life safety of drivers and passengers in the cab is threatened because whether a parking air heater in a vehicle body is leaked or not is not detected and no protective measures are taken.
Example 1:
fig. 2 is a schematic flow chart of a control method of carbon monoxide concentration in a cab, the control method comprising the steps of:
s1: the carbon monoxide collection device 1 collects the first carbon monoxide concentration in the cab 7 and the second carbon monoxide concentration outside the cab 7, and transmits the first carbon monoxide concentration and the second carbon monoxide concentration to the vehicle body controller 2.
S2: the vehicle body controller 2 receives the first carbon monoxide concentration and the second carbon monoxide concentration, judges whether the first carbon monoxide concentration and the second carbon monoxide concentration respectively exceed the standards, and transmits the judgment result to the parking air heater 3.
S3: the parking warm air device 3 receives the judgment result and controls the heating function, the ventilation function and the on-off of the power supply thereof according to the judgment result.
Example 2:
on the basis of example 1:
the method for controlling the heating function, the ventilation function and the on-off of the power supply of the air conditioner according to the judgment result further comprises the following steps: if the first carbon monoxide concentration and the second carbon monoxide concentration are both smaller than the carbon monoxide concentration safety limit value, the parking warm air device 3 starts the heating function; if the first carbon monoxide concentration is greater than the carbon monoxide concentration safety limit value and the second carbon monoxide concentration is less than the carbon monoxide concentration safety limit value, the parking warm air device 3 closes the heating function and starts the ventilation function; if the second carbon monoxide concentration is greater than or equal to the carbon monoxide concentration safety limit value, the parking heater unit 3 turns off its own power supply.
Example 3:
on the basis of example 1:
the control method further comprises the following steps: after the vehicle body controller 2 judges whether the first carbon monoxide concentration and the second carbon monoxide concentration respectively exceed the standard, the vehicle body controller 2 transmits the judgment result to the vehicle window control device 4, and the vehicle window control device 4 controls the lifting of the vehicle window according to the judgment result. The specific control method comprises the following steps: if the first carbon monoxide concentration is greater than the carbon monoxide concentration safety limit value and the second carbon monoxide concentration is less than the carbon monoxide concentration safety limit value, the vehicle window control device 4 opens the vehicle window; if the first carbon monoxide concentration is less than or equal to the carbon monoxide concentration safety limit value and the second carbon monoxide concentration is less than the carbon monoxide concentration safety limit value, the vehicle window control device 4 closes the vehicle window.
Example 4:
on the basis of example 1:
the control method further comprises the following steps: after the vehicle body controller 2 judges whether the first carbon monoxide concentration and the second carbon monoxide concentration respectively exceed the standard, the vehicle body controller 2 controls the alarm device 5 to give an alarm.
Example 5:
on the basis of example 1:
the control method further comprises the following steps: after the vehicle body controller 2 judges whether the first carbon monoxide concentration and the second carbon monoxide concentration respectively exceed the standard, the vehicle body controller 2 transmits the judgment result to the remote server 6, and the remote server 6 receives and stores the judgment result. Specifically, the vehicle body controller 2 sends a message to the remote server 6 through a communication module T-BOX (Telematics BOX), and after receiving a message instruction, the remote server 6 receives and stores a judgment result between the concentration of carbon monoxide inside and outside the cab 7 and a safety limit value, so that the fleet management system can monitor the carbon monoxide.
Specifically, when the vehicle body Controller 2 judges that the concentration of carbon monoxide inside and outside the cab 7 is higher than or lower than the safety limit value of the concentration of carbon monoxide, the vehicle body Controller 2 sends a message to the parking warm air device 3 (which is provided with a Controller), the vehicle window control device 4 and the alarm device 5 through a Controller Area Network (CAN) bus, wherein the parking warm air device 3 autonomously performs a heating function, a ventilation function and the on-off operation of a power supply after receiving a message instruction; after receiving the message instruction, the car window control device 4 autonomously performs the lifting operation of the car window; and after receiving the message instruction, the alarm device 5 autonomously carries out alarm reminding.
Specifically, the judgment control process CAN be divided into six actual scenes, and the six actual scenes are sent to a communication module (shown in table 1) through an SEA J1939 expansion frame message format, wherein the vehicle body controller 2 is a node of a vehicle body CAN network, and the priority of the vehicle body controller is 6; the source address is allocated in the vehicle EEA (Electrical/Electronic Architecture):
scenario one: the carbon monoxide collecting device 1 and the parking warm air device 3 are in a closed state, and the vehicle body controller 2 is in a standby state.
Scenario two: carbon monoxide collection system 1, parking heater unit 3 and automobile body controller 2 all are in operating condition (parking heater unit 3 starts promptly, and carbon monoxide collection system 1 and automobile body controller 2 implement the monitoring), and at this moment, if first carbon monoxide concentration and second carbon monoxide concentration all are less than carbon monoxide concentration safety limit value when, its heating function is opened to parking heater unit 3.
Scenario three: the carbon monoxide collecting device 1, the parking warm air device 3 and the vehicle body controller 2 are all in working states (namely the parking warm air device 3 is in a heating state), at the moment, if the first carbon monoxide concentration is greater than the carbon monoxide concentration safety limit value and the second carbon monoxide concentration is less than the carbon monoxide concentration safety limit value (namely the carbon monoxide concentration in the cab 7 is continuously in an overproof state), the vehicle body controller 2 sends out a fuel injection stopping, combustion and heating function, starts a self-ventilation function, and the ventilation and ventilation between the car window and the outside is started, after the parking warm air device 3 and the car window control device 4 receive the instruction, the parking warm air device 3 closes the heating function and starts the ventilation function, meanwhile, the window control device 4 opens the window to ventilate with the outside, so that the circulation of carbon monoxide in the cab 7 is accelerated, and the concentration of carbon monoxide in the cab 7 is further accelerated to be reduced.
Scene four: parking warm braw device 3 is under the ventilation state and the door window is under the open mode, at this moment, if first carbon monoxide concentration is less than or equal to and when second carbon monoxide concentration is less than carbon monoxide concentration safety limit value (namely carbon monoxide concentration in driver's cabin 7 lasts and is not in the state that exceeds standard), automobile body controller 2 sends "close ventilation function, start fuel injection burning heating function, and close the door window and stop the instruction with external ventilation", parking warm braw device 3 and door window controlling means 4 receive the instruction after, parking warm braw device 3 closes its ventilation function and starts its heating function, door window controlling means 4 closes the door window simultaneously, stop ventilation with the external world in the driver's cabin 7, guarantee the heating effect in the driver's cabin 7.
Scene five: carbon monoxide collection system 1, parking air heater 3 and automobile body controller 2 all are in operating condition (be parking air heater 3 under the heating condition), at this moment, if second carbon monoxide concentration is greater than or equal to carbon monoxide concentration safety limit value, no matter how big or small of first carbon monoxide concentration, automobile body controller 2 all can send "cut off parking air heater 3's power, and send the instruction that the warning reminded driver and crew" immediately, behind parking air heater 3 and the 5 received instruction of alarm device, parking air heater 3 closes its self power, and alarm device 5 independently reports to the police and reminds.
Scenario six: the carbon monoxide collection device 1, the parking warm air device 3 and the vehicle body controller 2 are all in working states (namely, the parking warm air device 3 is in a heating state), and if the first carbon monoxide concentration and the second carbon monoxide concentration are abnormal values, the carbon monoxide collection device 1 is in a fault state.
TABLE 1 sending communication definitions
Example 6:
on the basis of example 1:
referring to fig. 3, an embodiment of the present application further provides a control system for controlling a carbon monoxide concentration in the cab 7, including: the device comprises a carbon monoxide collecting device 1, a vehicle body controller 2 and a parking warm air device 3; the carbon monoxide collecting device 1 is connected in series with the parking warm air device 3, so that the carbon monoxide collecting device and a main machine power switch of the parking warm air device 3 are kept to be synchronously turned on and turned off, as shown in fig. 4 to 6, the carbon monoxide collecting device 1 comprises a first collector 11 and a second collector 12, the first collector 11 is arranged in the cab 7 and used for collecting the concentration of first carbon monoxide in the cab 7 and transmitting the first carbon monoxide to the vehicle body controller 2, and the second collector 12 is arranged on the outer wall of the vehicle body and used for collecting the concentration of second carbon monoxide outside the cab 7 and transmitting the second carbon monoxide to the vehicle body controller 2; the vehicle body controller 2 is used for receiving the first carbon monoxide concentration and the second carbon monoxide concentration, judging whether the first carbon monoxide concentration and the second carbon monoxide concentration respectively exceed the standards, and transmitting the judgment result to the parking warm air device 3; and the parking warm air device 3 is used for receiving the judgment result and controlling the heating function, the ventilation function and the on-off of the power supply thereof according to the judgment result.
In view of the advantages of low cost and single fault diagnosis of the analog sensor, the carbon monoxide collection device 1 may select the analog sensor, that is, convert the carbon monoxide gas concentration into a voltage signal; as shown in fig. 4, a first collector 11 may be disposed at a sleeping rest area in the cab 7 or at an air outlet of the parking heater 3, and as shown in fig. 5 and 6, a second collector 12 may be disposed at a rear view mirror or a front wall of the cab; the vehicle body controller 2 receives the voltage signal converted by the carbon monoxide acquisition device 1 through the input port in a period of 20ms, processes the voltage signal into a concentration value, judges an execution instruction according to different concentration threshold values, the execution instruction is a CAN bus signal, and the period of the bus execution message of the vehicle body controller 2 is 200ms (which refers to the period of the vehicle body controller 2 sending the message in the CAN network).
Preferably, the heating function, the ventilation function and the on/off of the power supply are controlled according to the judgment result, and the method specifically comprises the following control strategies: if the first carbon monoxide concentration and the second carbon monoxide concentration are both smaller than the carbon monoxide concentration safety limit value, the parking warm air device 3 starts the heating function; if the first carbon monoxide concentration is greater than the carbon monoxide concentration safety limit value and the second carbon monoxide concentration is less than the carbon monoxide concentration safety limit value, the parking warm air device 3 closes the heating function and starts the ventilation function; if the second carbon monoxide concentration is greater than or equal to the carbon monoxide concentration safety limit value, the parking heater unit 3 turns off its own power supply.
Preferably, the control system further comprises a window control device 4, the vehicle body controller 2 is further configured to transmit the determination result to the window control device 4, and the window control device 4 is configured to receive the determination result and control the lifting of the window according to the determination result.
Preferably, the control system further comprises an alarm device 5, the alarm device 5 is connected with the vehicle body controller 2 and gives an alarm to the driver and passengers, wherein the alarm device 5 can be set as an indoor lighting alarm device 5 or a sleeping berth vibration alarm or sound alarm device 5, the multiple alarm devices 5 can be used independently or in combination, specific alarm forms can be determined according to the carbon monoxide concentration shown in the table 2, and the alarm forms can be set as the following alarm forms, namely: sound alarm, when the concentration of carbon monoxide can reach 0.02% -0.03%, sound alarm is started; and a second alarm form: the acousto-optic alarm is started when the concentration of the carbon monoxide is more than 0.03% and less than or equal to 0.04%; and (3) alarming in a third mode: perception reminding and sound-light alarming, and when the concentration of carbon monoxide is more than 0.04 percent, the perception reminding and the sound-light alarming are started.
TABLE 2 degree of harm of carbon monoxide concentration in air to human body
| Volume concentration of carbon monoxide in air (%) | Time and symptoms of breathing |
| 0.02(200ppm) | Slight headache after 1-2 hours |
| 0.04(400ppm) | Headache is caused 1-2 hours ago; 2.5-3.5 later, dizziness |
| 0.08(800ppm) | Headache and vomiting immediately after 45 minutes; coma after 2 hours |
| 0.16(1600ppm) | Headache and vomiting immediately after 20 minutes; death in 2 hours |
| 0.32(3200ppm) | Headache occurs within 5-10 minutes; death in 30 minutes |
| 0.64(6400ppm) | Headache after 1-2 minutes; death occurs in 5-10 minutes |
| 1.28(12800ppm) | Inhalation is coma; death in 1-2 minutes |
Preferably, the control system further comprises a remote server 6, the vehicle body controller 2 is further configured to transmit the determination result to the remote server 6, and the remote server 6 is configured to receive and store the determination result so that the fleet management system performs monitoring.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "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.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A method for controlling the concentration of carbon monoxide in a cab, comprising the steps of:
the carbon monoxide collecting device (1) collects a first carbon monoxide concentration in a cab (7) and a second carbon monoxide concentration outside the cab (7), and transmits the first carbon monoxide concentration and the second carbon monoxide concentration to the vehicle body controller (2);
the vehicle body controller (2) receives the first carbon monoxide concentration and the second carbon monoxide concentration, judges whether the first carbon monoxide concentration and the second carbon monoxide concentration respectively exceed the standard or not, and transmits a judgment result to the parking warm air device (3);
and the parking warm air device (3) receives the judgment result and controls the heating function, the ventilation function and the on-off of the power supply thereof according to the judgment result.
2. The method of controlling a concentration of carbon monoxide in a cab according to claim 1, wherein: the step of controlling the heating function, the ventilation function and the on-off of the power supply of the heating function and the ventilation function according to the judgment result further comprises the following steps: if the first carbon monoxide concentration and the second carbon monoxide concentration are both smaller than the carbon monoxide concentration safety limit value, the parking warm air device (3) starts the heating function; if the first carbon monoxide concentration is greater than the carbon monoxide concentration safety limit value and the second carbon monoxide concentration is less than the carbon monoxide concentration safety limit value, the parking warm air device (3) closes the heating function and starts the ventilation function; if the second carbon monoxide concentration is greater than or equal to the carbon monoxide concentration safety limit value, the parking warm air device (3) closes the power supply of the parking warm air device.
3. The method of controlling a concentration of carbon monoxide in a cab according to claim 1, wherein: the control method further comprises the following steps: after the automobile body controller (2) judges whether the first carbon monoxide concentration and the second carbon monoxide concentration respectively exceed the standard, the automobile body controller (2) transmits a judgment result to the automobile window control device (4), and the automobile window control device (4) controls the lifting of the automobile window according to the judgment result.
4. The method of controlling a concentration of carbon monoxide in a cab according to claim 1, wherein: the control method further comprises the following steps: after the automobile body controller (2) judges whether the first carbon monoxide concentration and the second carbon monoxide concentration respectively exceed the standard, the automobile body controller (2) controls an alarm device (5) to alarm and remind.
5. The method of controlling a concentration of carbon monoxide in a cab according to claim 1, wherein: the control method further comprises the following steps: after the automobile body controller (2) judges whether the first carbon monoxide concentration and the second carbon monoxide concentration respectively exceed the standard, the automobile body controller (2) transmits a judgment result to a remote server (6), and the remote server (6) receives and stores the judgment result.
6. A control system for controlling a concentration of carbon monoxide in a cab, comprising: the device comprises a carbon monoxide collecting device (1), a vehicle body controller (2) and a parking warm air device (3);
the carbon monoxide collecting device (1) is connected with the parking warm air device (3) in series, the carbon monoxide collecting device (1) comprises a first collector (11) and a second collector (12), the first collector (11) is arranged in the cab (7) and used for collecting the concentration of first carbon monoxide in the cab (7) and transmitting the concentration of the first carbon monoxide to the automobile body controller (2), and the second collector (12) is arranged on the outer wall of the automobile body and used for collecting the concentration of second carbon monoxide outside the cab (7) and transmitting the concentration of the second carbon monoxide to the automobile body controller (2);
the vehicle body controller (2) is used for receiving the first carbon monoxide concentration and the second carbon monoxide concentration, judging whether the first carbon monoxide concentration and the second carbon monoxide concentration exceed standards or not, and transmitting a judgment result to the parking warm air device (3);
and the parking warm air device (3) is used for receiving the judgment result and controlling the heating function, the ventilation function and the on-off of the power supply thereof according to the judgment result.
7. A control system for the concentration of carbon monoxide in a cab (7) as claimed in claim 6, wherein: the control of the heating function, the ventilation function and the on-off of the power supply of the heating function and the ventilation function according to the judgment result specifically comprises the following control strategies: if the first carbon monoxide concentration and the second carbon monoxide concentration are both smaller than the carbon monoxide concentration safety limit value, the parking warm air device (3) starts the heating function; if the first carbon monoxide concentration is greater than the carbon monoxide concentration safety limit value and the second carbon monoxide concentration is less than the carbon monoxide concentration safety limit value, the parking warm air device (3) closes the heating function and starts the ventilation function; if the second carbon monoxide concentration is greater than or equal to the carbon monoxide concentration safety limit value, the parking warm air device (3) closes the power supply of the parking warm air device.
8. A control system for the concentration of carbon monoxide in a cab (7) as claimed in claim 6, wherein: the control system further comprises a vehicle window control device (4), the vehicle body controller (2) is further used for transmitting the judgment result to the vehicle window control device (4), and the vehicle window control device (4) is used for receiving the judgment result and controlling the lifting of the vehicle window according to the judgment result.
9. A control system for the concentration of carbon monoxide in a cab (7) as claimed in claim 6, wherein: the control system further comprises an alarm device (5), and the alarm device (5) is connected with the automobile body controller (2).
10. A control system for the concentration of carbon monoxide in a cab (7) as claimed in claim 6, wherein: the control system further comprises a remote server (6), the automobile body controller (2) is further used for transmitting the judgment result to the remote server (6), and the remote server (6) is used for receiving and storing the judgment result.
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| CN112208292B (en) | 2022-03-15 |
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