CN113428094A - Intelligent voice alarm method and system for fire fighting truck and storage medium - Google Patents
Intelligent voice alarm method and system for fire fighting truck and storage medium Download PDFInfo
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- CN113428094A CN113428094A CN202110698322.8A CN202110698322A CN113428094A CN 113428094 A CN113428094 A CN 113428094A CN 202110698322 A CN202110698322 A CN 202110698322A CN 113428094 A CN113428094 A CN 113428094A
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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
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
- B60R16/0232—Circuits relating to the driving or the functioning of the vehicle for measuring vehicle parameters and indicating critical, abnormal or dangerous conditions
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C27/00—Fire-fighting land vehicles
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40208—Bus networks characterized by the use of a particular bus standard
- H04L2012/40215—Controller Area Network CAN
Abstract
The invention provides an intelligent voice alarm method, an intelligent voice alarm system and a storage medium for a fire engine, wherein the method comprises the following steps: alarm parameter information of each functional mechanism of the fire fighting truck is configured on the main controller; the operation state of each functional mechanism is monitored in real time by a multi-path detection sensor; the detection signals of the multi-path detection sensor are collected in real time through a signal collector and transmitted to the main controller through an RS422 communication interface; the main controller analyzes the detection signals of the multi-path detection sensor and respectively judges whether the detection signals are matched with the preset alarm parameter information; and if the detection signal of at least one path of detection sensor is matched with the alarm parameter information, driving the intelligent voice display module to carry out intelligent alarm so as to prompt the fire-fighting driver. The invention can simultaneously carry out double prompting of hearing and vision on fire fighting drivers, thereby ensuring the driving safety of the fire fighting truck.
Description
Technical Field
The invention relates to the technical field of fire trucks, in particular to an intelligent voice alarm method, an intelligent voice alarm system and a storage medium for a fire truck.
Background
At present, the domestic fire fighting industry is under the big premise of national comprehensive economic development, the fire fighting industry is rapidly developed in recent years, and fire fighting teams are also rapidly grown up, so that a large number of new members join the fire fighting teams, the personnel are not enough in driving technology and experience due to time and heavy tasks, meanwhile, the length of the whole domestic 20-ton fire fighting truck is 12 meters, the driving level of drivers is very tested, and a system capable of guaranteeing the driving safety is particularly important.
Meanwhile, fire trucks produced by various fire-fighting manufacturers are formed by modifying second-class chassis, and due to the fact that the modifying technology and the modifying technology are different in level, the product quality of a plurality of fire trucks is different in the modifying process, the unreliable problems that the chassis deviates, the roller shutter door is not reliably locked, the pedal door locking mechanism is automatically opened and the like easily occur, and accidents are easily caused in fire emergency rescue driving. In summary, it is very necessary to develop a system for ensuring the safe driving of a fire-fighting vehicle.
In recent years, states of rolling doors, pedal doors and the like of individual domestic fire engines are also monitored, the states are mostly prompted by multiple sensors in parallel connection through single lamps, multiple rolling doors and pedal doors exist on the left side, the right side and the rear side of most conventional fire engines, fire drivers cannot be accurately and timely prompted through single lamp prompting to avoid risks accurately, and certain potential safety hazards exist. Meanwhile, the multi-channel sensors are connected with the single-lamp prompting system in parallel, so that the whole system is prone to false alarm or system paralysis once one sensor fails.
Disclosure of Invention
In order to solve at least one technical problem, the invention provides an intelligent voice alarm method, an intelligent voice alarm system and a storage medium for a fire fighting truck.
The invention provides an intelligent voice alarm method for a fire fighting truck, which comprises the following steps:
alarm parameter information of each functional mechanism of the fire fighting truck is configured on the main controller;
the operation state of each functional mechanism is monitored in real time by a multi-path detection sensor;
the detection signals of the multi-path detection sensor are collected in real time through a signal collector and transmitted to the main controller through an RS422 communication interface;
the main controller analyzes the detection signals of the multi-path detection sensor and respectively judges whether the detection signals are matched with the preset alarm parameter information;
and if the detection signal of at least one path of detection sensor is matched with the alarm parameter information, driving the intelligent voice display module to carry out intelligent alarm so as to prompt the fire-fighting driver.
In this scheme, after the operation state of each functional mechanism is monitored in real time by a multi-path detection sensor, the method further comprises:
acquiring a primary detection signal of the multi-path detection sensor through a signal acquisition device, converting the primary detection signal into a secondary signal code and transmitting the secondary signal code to the main controller;
analyzing and processing the secondary signal codes by the main controller according to a set program;
if at least one path of secondary signal codes is matched with the alarm parameter information, the secondary signal codes are processed through an audio decoding unit and an audio power amplification unit to obtain audio signals, and a loudspeaker of an intelligent voice display module carries out voice alarm according to the audio signals so as to carry out auditory prompt on a fire-fighting driver; meanwhile, the corresponding position of the LCD driving unit on the display screen of the voice display module is used for displaying and alarming so as to visually prompt a fire-fighting driver.
In the scheme, the signal collector comprises a power management module, an RS422 communication module, a sensor signal collection module and a signal collector MCU; the power management module adopts a step-down mode, wherein the voltage of a first-stage external input power supply is reduced to 12V stable voltage by 14V-36V, and the voltage of the second-stage external input power supply is reduced to 5V stable voltage by 12V voltage obtained by the first-stage external input power supply; the RS422 communication module adopts a full-duplex RS422 communication interface for differential signal transmission to communicate with the main controller; the sensor signal acquisition module receives a primary detection signal from a corresponding detection sensor through a driving interface; the signal collector MCU is used for converting the primary detection signal into a secondary signal code and transmitting the secondary signal code to the main controller through the RS422 communication module.
In this scheme, intelligence voice display module's display screen main interface includes at least:
the hand brake icon displays the icon when the hand brake is pulled up, and does not display the icon when the hand brake is pulled up;
the system status indicator lamp is normally green, and displays blue when the RS422 communication interface is abnormal in communication, displays yellow when the CAN bus interface is abnormal in communication, and displays red when the two bus interfaces are abnormal in communication;
the system volume icon is used for indicating the current volume or the on-off state of the loudspeaker;
and the fire engine icon display area is used for indicating the current state of each functional mechanism.
In this scheme, the alarm parameter information of each functional mechanism of configuration fire engine specifically includes:
receiving a touch signal of a fire fighting driver in a fire fighting truck icon display area;
judging whether the touch signal stays for a preset time;
if so, popping up a system parameter setting interface on a display screen to allow fire fighters to set parameters.
In this embodiment, the method further includes:
the main controller receives the current hand brake signal in real time through a CAN bus interface;
judging whether the hand brake mechanism is pulled up or not according to the current hand brake signal;
if the alarm device is pulled up, judging whether the detection signals of the multiple detection sensors are matched with the preset alarm parameter information, if the detection signals of at least one detection sensor are matched with the alarm parameter information, displaying an alarm at the corresponding position on the display screen, but not performing voice alarm by the loudspeaker;
if not, judging whether the detection signals of the multiple detection sensors are matched with the preset alarm parameter information, if at least one detection signal of the detection sensor is matched with the alarm parameter information, displaying an alarm at the corresponding position on the display screen, and simultaneously carrying out voice alarm by the loudspeaker.
In this scheme, after driving the intelligent voice display module to perform intelligent alarm, the method further includes:
when a certain detection sensor breaks down, receiving a touch signal of a fire fighting driver in an icon display area of the fire fighting truck;
judging whether the touch signal stays for a preset time;
if yes, popping up a system parameter setting interface on the display screen, determining a corresponding functional mechanism according to the detection sensor,
receiving a code eliminating setting instruction of a fire fighting driver to the functional mechanism on a system parameter setting interface;
after the code eliminating setting instruction takes effect, the main controller drives the display to update the main interface, and the indicator lamp of the functional mechanism is turned off or the code eliminating identification color is presented to indicate that the detection sensor corresponding to the functional mechanism is in a fault state.
The second aspect of the present invention further provides an intelligent voice alarm system for a fire fighting truck, the intelligent voice alarm system comprising: the system comprises a multi-path detection sensor, a signal collector, a main controller and an intelligent voice display module;
the multi-path detection sensor is used for monitoring the running state of each functional mechanism in real time;
the signal collector is used for collecting detection signals of the multi-path detection sensor in real time and transmitting the detection signals to the main controller through an RS422 communication interface;
the main controller is used for configuring alarm parameter information of each functional mechanism of the fire fighting truck, analyzing detection signals of the multi-path detection sensor and respectively judging whether the detection signals are matched with the preset alarm parameter information; and if the detection signal of at least one path of detection sensor is matched with the alarm parameter information, driving the intelligent voice display module to carry out intelligent alarm so as to prompt the fire-fighting driver.
In the scheme, the signal collector comprises a power management module, an RS422 communication module, a sensor signal collection module and a signal collector MCU; the power management module adopts a step-down mode, wherein the voltage of a first-stage external input power supply is reduced to 12V stable voltage by 14V-36V, and the voltage of the second-stage external input power supply is reduced to 5V stable voltage by 12V voltage obtained by the first-stage external input power supply; the RS422 communication module adopts a full-duplex RS422 communication interface for differential signal transmission to communicate with the main controller; the sensor signal acquisition module receives a primary detection signal from a corresponding detection sensor through a driving interface; the signal collector MCU is used for converting the primary detection signal into a secondary signal code and transmitting the secondary signal code to the main controller through the RS422 communication module.
The third aspect of the present invention also provides a computer readable storage medium, which includes an intelligent voice alarm method program for a fire fighting truck, and when the intelligent voice alarm method program for a fire fighting truck is executed by a processor, the steps of the intelligent voice alarm method for a fire fighting truck are implemented.
The intelligent voice alarm method, the intelligent voice alarm system and the storage medium are superior to a multi-path sensing parallel single-lamp prompt system in function, have double prompt and warning functions of voice and a screen, have a function of eliminating error codes and prevent false alarm and misstatement. Meanwhile, the system CAN be connected with a chassis CAN bus, and powerful guarantee is provided for subsequent function expansion.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
FIG. 1 is a flow chart illustrating an intelligent voice alarm method for a fire fighting vehicle according to the present invention;
FIG. 2 is a block diagram of an intelligent voice alarm system for a fire engine of the present invention;
FIG. 3 shows a schematic diagram of a signal collector circuit board of the present invention;
FIG. 4 illustrates a schematic diagram of the detection sensor mode selection interface circuit of the present invention;
FIG. 5 illustrates a display screen home interface schematic of the present invention;
FIG. 6 shows a system parameter setting interface diagram of the present invention.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
Referring to fig. 1 and 2, in a first aspect, the present invention provides an intelligent voice alarm method for a fire fighting truck, the method including:
s102, configuring alarm parameter information of each functional mechanism of the fire fighting truck in a main controller;
s104, monitoring the running state of each functional mechanism in real time by a multi-path detection sensor;
s106, collecting detection signals of the multi-path detection sensor in real time through a signal collector, and transmitting the detection signals to the main controller through an RS422 communication interface;
s108, analyzing the detection signals of the multi-channel detection sensor by the main controller, and respectively judging whether the detection signals are matched with the preset alarm parameter information;
and S110, if the detection signal of at least one path of detection sensor is matched with the alarm parameter information, driving the intelligent voice display module to carry out intelligent alarm so as to prompt a fire driver.
It can be understood that the driving intelligent voice display module performs intelligent alarm at least includes two modes, but is not limited to, voice alarm and screen display alarm.
Specifically, the functional mechanism may be a roller shutter door, a step door, a rear ladder, a lift lamp, a pull ladder, etc. of the fire fighting truck, but is not limited thereto.
According to the embodiment of the invention, after the operation state of each functional mechanism is monitored in real time by the multi-channel detection sensor, the method further comprises the following steps:
acquiring a primary detection signal of the multi-path detection sensor through a signal acquisition device, converting the primary detection signal into a secondary signal code and transmitting the secondary signal code to the main controller;
analyzing and processing the secondary signal codes by the main controller according to a set program;
if at least one path of secondary signal codes is matched with the alarm parameter information, the secondary signal codes are processed through an audio decoding unit and an audio power amplification unit to obtain audio signals, and a loudspeaker of an intelligent voice display module carries out voice alarm according to the audio signals so as to carry out auditory prompt on a fire-fighting driver; meanwhile, the corresponding position of the LCD driving unit on the display screen of the voice display module is used for displaying and alarming so as to visually prompt a fire-fighting driver.
It can be understood that the manner of displaying the alarm on the display screen may be to convert the icon corresponding to the screen into a warning color (e.g., red or yellow), or to flash the corresponding icon. The invention can simultaneously carry out double prompting of hearing and vision to the fire-fighting driver, thereby ensuring the driving safety of the vehicle.
Specifically, the first-stage detection signal may be an analog signal, the second-stage signal may be a digital signal, and for the main controller, the main controller may analyze the digital signal but cannot analyze the analog signal, so that analog-to-digital conversion needs to be performed on the first-stage analog signal.
According to the embodiment of the invention, the signal collector comprises a power management module, an RS422 communication module, a sensor signal collection module and a signal collector MCU; the power management module adopts a step-down mode, wherein the voltage of a first-stage external input power supply is reduced to 12V stable voltage by 14V-36V, and the voltage of the second-stage external input power supply is reduced to 5V stable voltage by 12V voltage obtained by the first-stage external input power supply; the RS422 communication module adopts a full-duplex RS422 communication interface for differential signal transmission to communicate with the main controller; the sensor signal acquisition module receives a primary detection signal from a corresponding detection sensor through a driving interface; the signal collector MCU is used for converting the primary detection signal into a secondary signal code and transmitting the secondary signal code to the main controller through the RS422 communication module.
Fig. 3 shows a schematic diagram of a signal collector circuit board of the present invention.
As shown in fig. 3, the area 1 is a power management module of the signal collector, and adopts a step-down mode. The voltage of the first stage is reduced to a stable voltage of 12V by an external input power supply of 14V-36V, and the voltage of the second stage is reduced to a stable voltage of 5V by the 12V voltage obtained by the first stage. The adoption of the step-down mode has two advantages: 1, the efficiency of each stage of switching regulator is improved, and heat accumulation is reduced; 2, a stable voltage of 12V can be provided, and for a sensor which cannot be supplied with 24V power, the 12V power supply can be used for supplying power, so that the adaptability to the sensor type is improved.
The area 3 is a sensor signal acquisition module and has 12 paths in total. Each path comprises a driving interface, a sensor mode selection interface and an optical coupling isolation module. The sensor mode selection interface can be configured corresponding to compatible interfaces for different types of sensors so as to correctly read signals of the sensors. The limit switch can support a passive sensor and an active sensor, and the active sensor can support NPN and PNP types, so that all types of limit switch interface types are basically covered.
The area 4 is a signal collector MCU, adopts an STC15F408AD low-power consumption enhanced 51-kernel single chip microcomputer, and has the advantages of stability, reliability, low power consumption, high operation rate and the like.
The area 5 is a sensor driving power supply selection interface, and can be selected as a 24V input power supply or a 12V stabilized power supply. Aiming at the application occasions needing complete electrical isolation, the selection interface can be suspended, and the sensor interface is connected with the isolation power supply at the sensor end, so that stricter electrical isolation can be realized.
FIG. 4 shows a schematic diagram of the detection sensor mode selection interface circuit of the present invention.
As shown in fig. 4, the right side of the optocoupler U3 is an electrical signal accessed to the MCU, the left side is an electrical interface accessed to the sensor, and after the left photocell works, the right photocell receives illumination to generate photocurrent, so as to achieve conduction, and thus the Kin _1 signal accessed to the MCU is at a low level, and vice versa. And P4 is the sensor mode selection interface, when "1" and "2" are short-circuited and "4" and "6" are short-circuited, a passive travel switch or an active NPN-type proximity sensor can be driven. The sensor can realize short circuit or disconnection between signals Kin1 and GND, when Kin1 and GND are in short circuit, an electric loop can be formed by paths of Vout, Kup _1, R9, U3 phototubes, Kdawn _1, Kin1 and GND, and the phototubes of the optical coupler emit light, so that the optical coupler is in a conducting state, and otherwise, the optical coupler can be in a switching-off state. When P4 "2" and "4" are shorted, "5" and "6" are shorted, a passive travel switch or an active PNP type solution sensor can also be actuated. The sensor can realize short circuit or disconnection between signals Kin1 and Vout, when Kin1 and Vout are in short circuit, an electric loop can be formed by paths of Vout, Kin1, Kup _1, R9, U3 phototube, Kdawn _1 and GND, the phototube of the optical coupler emits light, and therefore the optical coupler is in a conducting state, and otherwise the optical coupler can be in a switching-off state.
It should be noted that the main controller of the present invention adopts i.mx 6ULL series processors, the main frequency is as high as 792MHz, 512MB memory, 8GB eMMC. And carrying out the Debian embedded system, and writing an application program by Qt. The method has the advantages of high performance, easy transplantation, strong expansibility and the like.
According to the embodiment of the invention, the display screen main interface of the intelligent voice display module at least comprises:
the hand brake icon displays the icon when the hand brake is pulled up, and does not display the icon when the hand brake is pulled up;
the system status indicator lamp is normally green, and displays blue when the RS422 communication interface is abnormal in communication, displays yellow when the CAN bus interface is abnormal in communication, and displays red when the two bus interfaces are abnormal in communication;
the system volume icon is used for indicating the current volume or the on-off state of the loudspeaker;
and the fire engine icon display area is used for indicating the current state of each functional mechanism.
According to the embodiment of the invention, the configuration of the alarm parameter information of each functional mechanism of the fire fighting truck specifically comprises the following steps:
receiving a touch signal of a fire fighting driver in a fire fighting truck icon display area;
judging whether the touch signal stays for a preset time;
if so, popping up a system parameter setting interface on a display screen to allow fire fighters to set parameters.
It should be noted that the display screen is a touch display screen, and the preset time period is 3 seconds to 5 seconds, but is not limited thereto.
FIG. 5 shows a display screen home interface schematic of the present invention.
As shown in fig. 5, the area 1 is a handbrake brake icon, which is displayed when the handbrake is pulled up;
the area 2 is a system state indicator lamp, is normally green, is displayed as blue when the RS422 communication interface is abnormal in communication, is displayed as yellow when the CAN bus interface is abnormal in communication, and is displayed as red when the two bus interfaces are abnormal in communication;
the area 3 is a system volume icon which can indicate the current volume or the switch state of the loudspeaker;
the area 4 is a fire fighting truck icon display area, and if the area is pressed for more than 3S, a system parameter setting interface can be opened;
the left 1-4 doors, right 1-4 doors, and the lift lights and tailgate/tail-gate icons marked in zone 5 are the indicator icons of the sensor signals. The sensor normally displays green, and when the sensor gives an alarm, the sensor flickers red and green.
FIG. 6 shows a system parameter setting interface diagram of the present invention.
As shown in fig. 6, the serial port selects the drop-down box for selecting the communication interface of RS 422.
And the system volume setting bar is used for setting the system voice volume to 0-10 grades, and clicking the right side setting button to complete the volume setting.
And the alarm sensor ID display area is used for displaying the current alarm sensor. It is convenient to distinguish which sensor corresponds to which door during assembly.
And selecting a frame by the polarity of the sensor, wherein the checking indicates that the state 1 of the sensor is alarm, and otherwise, the state 0 of the sensor is alarm. The state 1 and the state 0 do not need to be entangled, and the alarm state of the sensor is set to be consistent with the actual state.
And the sensor setting area is used for setting each indicator light of the main interface, the corresponding real sensor and the code eliminating setting of the sensor. After the corresponding relation of the sensors is set, a button for setting sensor mapping is clicked to complete the setting.
After the parameters are set, the user can return to the main interface of the display screen by clicking the 'Close' button.
According to an embodiment of the invention, the method further comprises:
the main controller receives the current hand brake signal in real time through a CAN bus interface;
judging whether the hand brake mechanism is pulled up or not according to the current hand brake signal;
if the alarm device is pulled up, judging whether the detection signals of the multiple detection sensors are matched with the preset alarm parameter information, if the detection signals of at least one detection sensor are matched with the alarm parameter information, displaying an alarm at the corresponding position on the display screen, but not performing voice alarm by the loudspeaker;
if not, judging whether the detection signals of the multiple detection sensors are matched with the preset alarm parameter information, if at least one detection signal of the detection sensor is matched with the alarm parameter information, displaying an alarm at the corresponding position on the display screen, and simultaneously carrying out voice alarm by the loudspeaker.
It can be understood that when the handbrake device is in the pull-up state, it indicates that the fire fighter may be in fire fighting operation, at this time, the corresponding functional mechanism (such as the roller shutter door) should be in the open state, and in order to prevent the system false alarm from interfering the fire fighter, the speaker does not perform the voice alarm at this time. When the hand brake device is released from a pull-up state, the fire fighter is ready to drive or is driving the fire engine, and if a functional mechanism (such as a roller shutter door) is not closed at the moment, the running danger is easily caused, so that the voice alarm function can be added at the moment to prompt the fire fighter to pay attention to the running safety.
According to the embodiment of the invention, after the intelligent voice display module is driven to carry out intelligent alarm, the method further comprises the following steps:
when a certain detection sensor breaks down, receiving a touch signal of a fire fighting driver in an icon display area of the fire fighting truck;
judging whether the touch signal stays for a preset time;
if yes, popping up a system parameter setting interface on the display screen, determining a corresponding functional mechanism according to the detection sensor,
receiving a code eliminating setting instruction of a fire fighting driver to the functional mechanism on a system parameter setting interface;
after the code eliminating setting instruction takes effect, the main controller drives the display to update the main interface, and the indicator lamp of the functional mechanism is turned off or the code eliminating identification color is presented to indicate that the detection sensor corresponding to the functional mechanism is in a fault state.
It should be noted that hardware such as the detection sensor may have a fault, and when the corresponding detection sensor detects and reports an error, the fault is described, and at this time, the fire fighting driver may adopt the cancellation code setting to stop the signal acquisition of the signal acquisition device to the sensor, so as to avoid the interference of the continuous error reporting of the detection sensor with the fault to the fire fighting driver.
According to an embodiment of the invention, the method further comprises:
setting corresponding functional mechanisms as key functional mechanisms, respectively configuring N detection sensors for the key functional mechanisms, wherein N is an odd number greater than or equal to 3, and two detection signals of the preset detection sensors are provided;
based on a certain key function mechanism, respectively receiving detection signals of N detection sensors by an arbitration mechanism, and judging the consistency of the N detection signals;
the arbitration mechanism takes the same detection signals with the number greater than or equal to (N +1)/2 as final detection signals reported to the signal collector by the functional mechanism.
For example, a plurality of detection sensors, for example, 3 detection sensors, are provided at the position of the key function mechanism (e.g., the roller door on the right side), and each detection sensor detects two signals, namely, two states of opening and closing of the roller door are respectively indicated. The arbitration mechanism monitors the consistency of detection signals of 3 detection sensors in real time, when the detection signals of two or three detection sensors are consistent and indicate that the rolling door is opened, the detection signals are reported to the signal collector and further fed back to the main controller, and the main controller drives the loudspeaker and the display screen to respectively carry out voice and display alarm.
It should be noted that, because the detection sensors may have a fault, for the key function mechanism, in order to ensure that the running state of the key function mechanism can be accurately presented on the intelligent voice display module, the invention realizes stable and accurate voice and display alarm for the key function mechanism by adding a plurality of detection sensors and performing arbitration of a small number of the detection sensors and majority of the detection sensors by the arbitration mechanism.
As shown in fig. 2, the second aspect of the present invention further provides an intelligent voice alarm system for a fire fighting truck, comprising: the system comprises a multi-path detection sensor, a signal collector, a main controller and an intelligent voice display module;
the multi-path detection sensor is used for monitoring the running state of each functional mechanism in real time;
the signal collector is used for collecting detection signals of the multi-path detection sensor in real time and transmitting the detection signals to the main controller through an RS422 communication interface;
the main controller is used for configuring alarm parameter information of each functional mechanism of the fire fighting truck, analyzing detection signals of the multi-path detection sensor and respectively judging whether the detection signals are matched with the preset alarm parameter information; and if the detection signal of at least one path of detection sensor is matched with the alarm parameter information, driving the intelligent voice display module to carry out intelligent alarm so as to prompt the fire-fighting driver.
It should be noted that, the intelligent voice alarm system of the present invention is further provided with a chassis CAN bus interface, which CAN synchronously detect the self-carrying function of the chassis and add a voice prompt function, such as: and functions of monitoring the tire pressure of the chassis, alarming over speed and the like.
According to the embodiment of the invention, the signal collector comprises a power management module, an RS422 communication module, a sensor signal collection module and a signal collector MCU; the power management module adopts a step-down mode, wherein the voltage of a first-stage external input power supply is reduced to 12V stable voltage by 14V-36V, and the voltage of the second-stage external input power supply is reduced to 5V stable voltage by 12V voltage obtained by the first-stage external input power supply; the RS422 communication module adopts a full-duplex RS422 communication interface for differential signal transmission to communicate with the main controller; the sensor signal acquisition module receives a primary detection signal from a corresponding detection sensor through a driving interface; the signal collector MCU is used for converting the primary detection signal into a secondary signal code and transmitting the secondary signal code to the main controller through the RS422 communication module.
The third aspect of the present invention also provides a computer readable storage medium, which includes an intelligent voice alarm method program for a fire fighting truck, and when the intelligent voice alarm method program for a fire fighting truck is executed by a processor, the steps of the intelligent voice alarm method for a fire fighting truck are implemented.
The intelligent voice alarm system is superior to a multi-path sensing parallel single-lamp prompt system in function, has double prompt and warning functions of voice and a screen, has a function of eliminating error codes, and prevents false alarm and misstatement. Meanwhile, the system CAN be connected with a chassis CAN bus, and powerful guarantee is provided for subsequent function expansion.
In conclusion, the intelligent voice alarm system is a system for guaranteeing the safe driving of the fire-fighting vehicle, is a necessary choice for the fire-fighting vehicle under the current intelligent market demand, and has considerable market prospect.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The above-described device embodiments are merely illustrative, for example, the division of the unit is only a logical functional division, and there may be other division ways in actual implementation, such as: multiple units or components may be combined, or may be integrated into another system, or some features may be omitted, or not implemented. In addition, the coupling, direct coupling or communication connection between the components shown or discussed may be through some interfaces, and the indirect coupling or communication connection between the devices or units may be electrical, mechanical or other forms.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units; can be located in one place or distributed on a plurality of network units; some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, all the functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may be separately regarded as one unit, or two or more units may be integrated into one unit; the integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
Those of ordinary skill in the art will understand that: all or part of the steps for realizing the method embodiments can be completed by hardware related to program instructions, the program can be stored in a computer readable storage medium, and the program executes the steps comprising the method embodiments when executed; and the aforementioned storage medium includes: a mobile storage device, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
Alternatively, the integrated unit of the present invention may be stored in a computer-readable storage medium if it is implemented in the form of a software functional module and sold or used as a separate product. Based on such understanding, the technical solutions of the embodiments of the present invention may be essentially implemented or a part contributing to the prior art may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the methods described in the embodiments of the present invention. And the aforementioned storage medium includes: a removable storage device, a ROM, a RAM, a magnetic or optical disk, or various other media that can store program code.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. An intelligent voice alarm method for a fire engine, the method comprising:
alarm parameter information of each functional mechanism of the fire fighting truck is configured on the main controller;
the operation state of each functional mechanism is monitored in real time by a multi-path detection sensor;
the detection signals of the multi-path detection sensor are collected in real time through a signal collector and transmitted to the main controller through an RS422 communication interface;
the main controller analyzes the detection signals of the multi-path detection sensor and respectively judges whether the detection signals are matched with the preset alarm parameter information;
and if the detection signal of at least one path of detection sensor is matched with the alarm parameter information, driving the intelligent voice display module to carry out intelligent alarm so as to prompt the fire-fighting driver.
2. The intelligent voice alarm method for the fire fighting vehicle according to claim 1, wherein after the real-time monitoring of the operation state of each functional mechanism by the multi-channel detection sensor, the method further comprises:
acquiring a primary detection signal of the multi-path detection sensor through a signal acquisition device, converting the primary detection signal into a secondary signal code and transmitting the secondary signal code to the main controller;
analyzing and processing the secondary signal codes by the main controller according to a set program;
if at least one path of secondary signal codes is matched with the alarm parameter information, the secondary signal codes are processed through an audio decoding unit and an audio power amplification unit to obtain audio signals, and a loudspeaker of an intelligent voice display module carries out voice alarm according to the audio signals so as to carry out auditory prompt on a fire-fighting driver; meanwhile, the corresponding position of the LCD driving unit on the display screen of the voice display module is used for displaying and alarming so as to visually prompt a fire-fighting driver.
3. The intelligent voice alarm method for the fire fighting truck according to claim 2,
the signal collector comprises a power management module, an RS422 communication module, a sensor signal collection module and a signal collector MCU; the power management module adopts a step-down mode, wherein the voltage of a first-stage external input power supply is reduced to 12V stable voltage by 14V-36V, and the voltage of the second-stage external input power supply is reduced to 5V stable voltage by 12V voltage obtained by the first-stage external input power supply; the RS422 communication module adopts a full-duplex RS422 communication interface for differential signal transmission to communicate with the main controller; the sensor signal acquisition module receives a primary detection signal from a corresponding detection sensor through a driving interface; the signal collector MCU is used for converting the primary detection signal into a secondary signal code and transmitting the secondary signal code to the main controller through the RS422 communication module.
4. The intelligent voice alarm method for the fire fighting truck as claimed in claim 3, wherein the display screen main interface of the intelligent voice display module at least comprises:
the hand brake icon displays the icon when the hand brake is pulled up, and does not display the icon when the hand brake is pulled up;
the system status indicator lamp is normally green, and displays blue when the RS422 communication interface is abnormal in communication, displays yellow when the CAN bus interface is abnormal in communication, and displays red when the two bus interfaces are abnormal in communication;
the system volume icon is used for indicating the current volume or the on-off state of the loudspeaker;
and the fire engine icon display area is used for indicating the current state of each functional mechanism.
5. The intelligent voice alarm method for the fire fighting truck as claimed in claim 4, wherein configuring alarm parameter information of each functional mechanism of the fire fighting truck specifically comprises:
receiving a touch signal of a fire fighting driver in a fire fighting truck icon display area;
judging whether the touch signal stays for a preset time;
if so, popping up a system parameter setting interface on a display screen to allow fire fighters to set parameters.
6. The intelligent voice alarm method for the fire fighting vehicle according to claim 4, characterized in that the method further comprises:
the main controller receives the current hand brake signal in real time through a CAN bus interface;
judging whether the hand brake mechanism is pulled up or not according to the current hand brake signal;
if the alarm device is pulled up, judging whether the detection signals of the multiple detection sensors are matched with the preset alarm parameter information, if the detection signals of at least one detection sensor are matched with the alarm parameter information, displaying an alarm at the corresponding position on the display screen, but not performing voice alarm by the loudspeaker;
if not, judging whether the detection signals of the multiple detection sensors are matched with the preset alarm parameter information, if at least one detection signal of the detection sensor is matched with the alarm parameter information, displaying an alarm at the corresponding position on the display screen, and simultaneously carrying out voice alarm by the loudspeaker.
7. The intelligent voice alarm method for the fire fighting truck as claimed in claim 1, wherein after driving the intelligent voice display module to make the intelligent alarm, the method further comprises:
when a certain detection sensor breaks down, receiving a touch signal of a fire fighting driver in an icon display area of the fire fighting truck;
judging whether the touch signal stays for a preset time;
if yes, popping up a system parameter setting interface on the display screen, determining a corresponding functional mechanism according to the detection sensor,
receiving a code eliminating setting instruction of a fire fighting driver to the functional mechanism on a system parameter setting interface;
after the code eliminating setting instruction takes effect, the main controller drives the display to update the main interface, and the indicator lamp of the functional mechanism is turned off or the code eliminating identification color is presented to indicate that the detection sensor corresponding to the functional mechanism is in a fault state.
8. An intelligent voice alarm system for a fire engine, the intelligent voice alarm system comprising: the system comprises a multi-path detection sensor, a signal collector, a main controller and an intelligent voice display module;
the multi-path detection sensor is used for monitoring the running state of each functional mechanism in real time;
the signal collector is used for collecting detection signals of the multi-path detection sensor in real time and transmitting the detection signals to the main controller through an RS422 communication interface;
the main controller is used for configuring alarm parameter information of each functional mechanism of the fire fighting truck, analyzing detection signals of the multi-path detection sensor and respectively judging whether the detection signals are matched with the preset alarm parameter information; and if the detection signal of at least one path of detection sensor is matched with the alarm parameter information, driving the intelligent voice display module to carry out intelligent alarm so as to prompt the fire-fighting driver.
9. The intelligent voice alarm system for the fire fighting truck as recited in claim 8, wherein the signal collector comprises a power management module, an RS422 communication module, a sensor signal collection module, and a signal collector MCU; the power management module adopts a step-down mode, wherein the voltage of a first-stage external input power supply is reduced to 12V stable voltage by 14V-36V, and the voltage of the second-stage external input power supply is reduced to 5V stable voltage by 12V voltage obtained by the first-stage external input power supply; the RS422 communication module adopts a full-duplex RS422 communication interface for differential signal transmission to communicate with the main controller; the sensor signal acquisition module receives a primary detection signal from a corresponding detection sensor through a driving interface; the signal collector MCU is used for converting the primary detection signal into a secondary signal code and transmitting the secondary signal code to the main controller through the RS422 communication module.
10. A computer-readable storage medium, characterized in that the computer-readable storage medium includes an intelligent voice alarm method program for a fire fighting vehicle, which when executed by a processor, implements the steps of an intelligent voice alarm method for a fire fighting vehicle as recited in any one of claims 1 to 7.
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| CN202110698322.8A CN113428094A (en) | 2021-06-23 | 2021-06-23 | Intelligent voice alarm method and system for fire fighting truck and storage medium |
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Application publication date: 20210924 |