Extended-range fire fighting truck

Abstract

The utility model relates to the technical field of fire fighting trucks, and provides an extended-range fire fighting truck, comprising: a battery module for providing a power supply for a fire fighting unmanned aerial vehicle; the driving motor is electrically connected with the battery module and used for being connected with wheels to drive the fire fighting truck to move; and the diesel range extender is electrically connected with the battery module and is used for charging the battery module. According to the technical scheme, the diesel range extender charges the battery module and provides a power source for the fire-fighting unmanned aerial vehicle, an original generator set composed of an engine and a generator is replaced with the diesel range extender, and therefore the space can be reduced; meanwhile, another set of engine for driving the fire fighting truck to run is omitted, and the fire fighting truck is driven to run by the driving motor, so that mechanical structures of some transmission systems can be reduced, and the size of the fire fighting truck is further reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of fire engines, in particular to a range-extended fire engine. BACKGROUND

[0002] Generally, a fire engine equipped with a fire unmanned aerial vehicle usually has two sets of engines, one set is used for driving and fire fighting of the fire engine itself, and the other set is used for flight of the fire unmanned aerial vehicle.

[0003] Among them, the engine for driving and fire fighting of the fire engine itself generally drives the wheels through a transmission system, so that the vehicle can quickly reach the fire scene, and at the same time, the power is output through a power take-off device to drive the fire pump to work; and the other set of engine for flight of the fire unmanned aerial vehicle generally forms a generator set with a generator to provide power for the fire unmanned aerial vehicle. Due to the fact that the fire engine with the fire unmanned aerial vehicle is equipped with two sets of engines, and the transmission systems are some mechanical structures, the space is large, thereby causing the volume of the fire engine to be too large, and it is not easy to pass through some narrow roads. CONTENT OF THE INVENTION

[0004] The technical problem to be solved by the present application is to provide a range-extended fire engine, a diesel range extender charges the battery module to provide power for the fire unmanned aerial vehicle, and the original engine and generator are replaced by a diesel range extender to reduce the space; at the same time, the other set of engine for driving the fire engine is cancelled, and the fire engine is driven by a drive motor, thereby reducing some mechanical structures of the transmission system and further reducing the volume of the fire engine.

[0005] To solve the above technical problems, the present application adopts the following technical solutions:

[0006] The present application provides a range-extended fire engine, comprising: a battery module for providing power for a fire unmanned aerial vehicle; a drive motor electrically connected with the battery module for connecting with wheels to drive the fire engine to move; and a diesel range extender electrically connected with the battery module for charging the battery module.

[0007] As an embodiment, the diesel range extender comprises a diesel engine and a generator connected with each other, the generator is electrically connected with the battery module for charging the battery module, and the diesel engine is used to provide power for the generator.

[0008] As an embodiment, the range-extended fire engine further comprises a power conversion device electrically connected with the battery module and the generator respectively for converting power between the generator and the battery module.

[0009] As an implementation form, the range-extended fire engine further comprises a chassis, which is matched with the diesel range extender, and is a range-extended chassis.

[0010] As an implementation form, the range-extended fire engine further comprises a fire pump, which is electrically connected with the battery module, and is used for adjusting water pressure and flow.

[0011] As an implementation form, the range-extended fire engine further comprises a fire pump motor, and an impeller is arranged in the fire pump, and an output end of the fire pump motor is connected with the impeller.

[0012] As an implementation form, the range-extended fire engine further comprises a flight control system, which is used for signal connection with a fire unmanned aerial vehicle, and is used for controlling the fire unmanned aerial vehicle to work, and the flight control system is further signal connected with the fire pump motor.

[0013] As an implementation form, the range-extended fire engine further comprises a fire unmanned aerial vehicle, which is signal connected with the flight control system, and the fire unmanned aerial vehicle is provided with a fire water cannon, which is used for high-altitude fire extinguishing.

[0014] As an implementation form, the range-extended fire engine further comprises a tether cable, which is electrically connected with the battery module and the fire unmanned aerial vehicle respectively.

[0015] As an implementation form, the range-extended fire engine further comprises a power generation controller, which is signal connected with the power conversion device, and is used for controlling the power conversion device to convert electric current.

[0016] The technical scheme of the present application has the following beneficial effects:

[0017] The range-extended fire engine comprises a battery module, a driving motor and a diesel range extender, the battery module provides power supply for the fire unmanned aerial vehicle and the driving motor respectively, the driving motor is used for driving wheels to move, the diesel range extender is electrically connected with the battery module, and charges the battery module, so that the equipment needing power supply on the fire engine can be kept at sufficient power, compared with two sets of engines in the prior art, the fire engine of the present application replaces the generator set with the diesel range extender, the diesel range extender belongs to integrated design, so that the space can be reduced, and another set of engine used for driving the vehicle to run is cancelled, but the driving motor is used for driving the vehicle to run, so that some mechanical structures of the transmission system can be reduced, the volume of the fire engine is further reduced, and the fire engine with the fire unmanned aerial vehicle is convenient to turn in the case of carrying the fire unmanned aerial vehicle. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly introduced as follows. It should be understood that the following drawings only show some of the embodiments of the present application, and therefore should not be regarded as a limitation on the scope, and for those of ordinary skill in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0019] Figure 1 The schematic diagram of the range-extended fire engine provided by the embodiments of the present application is shown in the figure.

[0020] Figure 2 The structural schematic diagram of the fire pump provided by the embodiments of the present application is shown in the figure.

[0021] Figure 3 The structural schematic diagram of the diesel engine provided by the embodiments of the present application is shown in the figure.

[0022] Figure 4 The structural schematic diagram of the range-extended fire engine provided by the embodiments of the present application is shown in the figure.

[0023] Figure: 1-battery module; 2-driving motor; 3-diesel range extender; 31-diesel engine; 32-generator; 4-power conversion device; 5-fire pump; 51-impeller; 6-fire pump motor; 7-flight control system; 8-fire unmanned aerial vehicle; 9-tether cable; 10-power generation controller. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be described in combination with the drawings in the embodiments of the present application.

[0025] It should be noted that: similar labels and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. At the same time, in the description of the present application, the terms "first", "second" and the like are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0026] As Figure 1 and 3As shown, the embodiment of the present application provides a range-extending fire engine, which comprises a battery module 1, a driving motor 2 and a diesel range extender 3. The battery module 1 provides power supply for the fire unmanned aerial vehicle 8 and the driving motor 2 respectively. The driving motor 2 is used to drive the wheels to move. The diesel range extender 3 is electrically connected with the battery module 1 to charge the battery module 1, so that the equipment needing power supply on the fire engine can maintain sufficient power. Compared with the two sets of engines in the prior art, the fire engine of the embodiment of the present application replaces the generator set with the diesel range extender 3. The diesel range extender 3 belongs to integrated design, so as to reduce the space and cancel the other set of engine used to drive the vehicle to run, but the driving motor 2 is used to drive the running, so as to reduce some mechanical structures of the transmission system, further reduce the volume of the fire engine, and make the fire engine with the fire unmanned aerial vehicle 8 also facilitate the bending in the case of carrying the fire unmanned aerial vehicle 8.

[0027] As shown in Figure 3 Optionally, generally, the diesel range extender 3 usually adopts a highly integrated design concept, for example, the diesel engine 31 is optimally combined with the motor, radiator and other components to reduce unnecessary space occupation. The diesel range extender 3 can adopt a horizontal engine or an open design, cancel the shell of the traditional generator set, and be directly integrated in the power system of the vehicle to further reduce the occupied space.

[0028] Optionally, since one set of diesel engine 31 is cancelled in the embodiment of the present application, the emission and noise can also be reduced.

[0029] Optionally, the fire unmanned aerial vehicle 8 can be connected with the battery module 1 through a cable, and the driving motor 2 can be connected with the battery module 1 through a wire.

[0030] As shown in Figure 1 and 3 As an embodiment, the diesel range extender 3 comprises a diesel engine 31 and a generator 32 connected with each other. The generator 32 is electrically connected with the battery module 1 to charge the battery module 1. The diesel engine 31 is used to provide power for the generator 32, so as to start the fire engine when the battery module 1 is insufficient in power, convert the chemical energy of the fuel into electric energy to charge the battery module 1, and thus prolong the driving mileage of the vehicle.

[0031] Optionally, the diesel engine 31 and the generator 32 can be connected through a torsional vibration damper or a dual-mass flywheel, so as to effectively isolate the vibration and improve the running stability and reliability; or the diesel engine 31 and the generator 32 can also be connected through a gear transmission, so as to make the rotation speed of the generator 32 higher than that of the diesel engine 31, thereby improving the operation efficiency of the generator 32.

[0032] Optionally, the diesel range extender 3 can also adopt other structural forms.

[0033] As shown in Figure 1 As an embodiment, the range-extended fire engine further comprises a power conversion device 4, which is electrically connected with the battery module 1 and the generator 32 respectively, for converting the power between the generator 32 and the battery module 1, that is, when the battery module 1 needs to be charged, the power conversion device 4 can provide the direct current generated by the generator 32 to the battery module 1, realizing the charging of the battery module 1 by the generator 32; of course, in some cases, if the generator 32 is replaced by an integrated motor, when the diesel engine 31 needs to be started, the direct current provided by the battery module 1 can be converted into three-phase alternating current to drive the rotor of the integrated motor to rotate, thereby driving the diesel engine 31 to start.

[0034] Optionally, the power conversion device 4 can include an inverter and a rectifier, thereby realizing the mutual conversion of alternating current and direct current between the generator 32 and the battery module 1.

[0035] As an embodiment, the range-extended fire engine further comprises a chassis, which is matched with the diesel range extender 3, that is, a range-extended chassis, which is selected by optimizing the operation strategy and acoustic design of the engine to further reduce noise. At the same time, since there is no need for a traditional transmission, the range-extended chassis can accommodate a larger capacity battery module 1, while providing more flexible layout for other components of the vehicle (suspension, steering system, etc.).

[0036] Optionally, those skilled in the art can make some corresponding improvements when selecting the range-extended chassis by referring to the range-extended chassis on the fire engine of the prior art, or can select the range-extended chassis in the prior art.

[0037] As shown in Figure 1 As an embodiment, the range-extended fire engine further comprises a fire pump 5, which is electrically connected with the battery module 1, for adjusting water pressure and flow.

[0038] Optionally, the fire pump 5 is connected with the water tank, water cannon, fire hydrant and other equipment through a pipeline system to form a complete fire extinguishing system.

[0039] Optionally, the fire pump 5 can be additionally equipped with a fire pump motor 6, and the battery module 1 provides power for the fire pump motor 6.

[0040] As a possible embodiment, the fire pump 5 can also be connected with an electric motor through a mechanical transmission device (such as a clutch and a transmission shaft), and the power source of the electric motor can be the battery module 1.

[0041] As shown in Figure 2As shown, as an embodiment, the range-extended fire engine further comprises a fire pump motor 6, the fire pump 5 is provided with an impeller 51, and the output end of the fire pump motor 6 is connected with the impeller 51, so that the fire pump 5 is changed from mechanical driving to electric driving, which can reduce the size and mechanical complexity while optimizing the control effect.

[0042] Optionally, in the prior art, the fire pump is powered by the engine crankshaft, and the control continuity and responsiveness are poor, and the mechanical driving is changed to electric driving, which can reduce the size and mechanical complexity while optimizing the control effect.

[0043] Optionally, the battery module 1 and the fire pump motor 6 can be connected through wires.

[0044] As shown in Figure 1 As an embodiment, the range-extended fire engine further comprises a flight control system 7, the flight control system 7 is used for signal connection with a fire unmanned aerial vehicle 8, and is used for controlling the fire unmanned aerial vehicle 8 to work; the flight control system 7 is also signal connected with the fire pump motor 6, the rotation speed of the fire pump motor 6 can be directly controlled by the flight control system 7, and the rotation speed of the fire pump motor 6 is adjusted in real time according to the attitude, distance from the fire point position and other information of the fire unmanned aerial vehicle 8, so as to adapt to the actual needs.

[0045] Optionally, the flight control system 7 comprises a central controller, a flight state sensor, a power module, an LED lamp and a wireless module. The central controller is used for receiving the instructions of a control terminal to manually control the flight and collecting the information of the flight state sensor to automatically fly. The flight state sensor is composed of a gyroscope, which can control the state of the unmanned aerial vehicle to be in a specific state, such as hovering, flying, etc. The flight control system 7 has two control modes of manual and automatic. Within the visual range, the unmanned aerial vehicle can be manually controlled to take off by sending control instructions from the control terminal according to the video image returned by the fire unmanned aerial vehicle 8, and the operator operates the fire unmanned aerial vehicle 8 to fly according to the returned video information. Out of the visual range, the unmanned aerial vehicle can be automatically controlled. When the position of the fire source is out of the visual range, the fire source automatic tracking system is used to obtain the position of the fire source, adjust the rotation direction of the three-axis gimbal, shoot the real scene of the fire source path, and store it to a storage device. The video image and GPS data collected by the video collector in real time are analyzed and operated by the central controller to determine the automatic flight path of the fire unmanned aerial vehicle 8.

[0046] Optionally, the signal connection between the flight control system 7 and the fire pump motor 6 can be realized through wireless signals. Common wireless communication technologies include Wi-Fi, Bluetooth, ZigBee, etc. These communication technologies can transmit control signals, data and video information, thereby realizing the signal connection between the flight control system 7 and the fire pump motor 6. Of course, the fire pump motor 6 can also be connected to the flight control system 7 through serial communication. The serial communication program includes serial initialization, data transmission, interrupt service function (reception) and data analysis, etc. The fire pump motor 6 and the flight control system 7 can also be connected through wires. The fire pump motor 6 receives instructions from the flight control system 7 through the wires and drives the fire pump motor 6 to operate.

[0047] As shown in Figure 1 As an embodiment, the range-extending fire truck further comprises a fire unmanned aerial vehicle 8, which is signal connected with the flight control system 7, so as to facilitate the flight control system 7 to control the fire unmanned aerial vehicle 8 to realize high-altitude fire extinguishing operation. The fire unmanned aerial vehicle 8 is provided with a fire water cannon for high-altitude fire extinguishing.

[0048] As shown in Figure 1 As an embodiment, the range-extending fire truck further comprises a tethered cable 9, which is electrically connected with the battery module 1 and the fire unmanned aerial vehicle 8 respectively, so that the electric energy of the battery module 1 can be transmitted to the fire unmanned aerial vehicle 8 through the tethered cable 9.

[0049] As shown in Figure 1 As an embodiment, the range-extending fire truck further comprises a power generation controller 10, which is signal connected with the power conversion device 4, for controlling the conversion of the power conversion device 4 to the current, i.e. when the battery module 1 needs direct current, the power generation controller 10 can control the power conversion device 4 to charge the battery module 1, and when the diesel engine 31 starts, the power conversion device 4 can also be controlled to convert the direct current provided by the battery module 1 into alternating current.

[0050] Optionally, the power generation controller 10 is also signal connected with the flight control system 7, through the signal connection with the flight control system 7, the power system state of the fire truck (such as the electric quantity of the battery module 1, the power generation, etc.) can be monitored in real time, and the electric power can be flexibly distributed according to the instructions of the flight control system 7; the flight control system 7 can also control the power generation controller 10 to start or stop power generation according to the requirements of the fire fighting task, to ensure the power supply of the fire unmanned aerial vehicle 8 and other fire fighting equipment; at the same time, the signal connection enables the power generation controller 10 to feed back the real-time data (such as voltage, current, temperature, etc.) of the power system to the flight control system 7, for monitoring and fault diagnosis.

[0051] Optionally, the signal transmission between the flight control system 7 and the power generation controller 10 is realized through wireless communication (such as Wi-Fi, Bluetooth or 4G / 5G module). This way can avoid complex wiring and improve the flexibility of the system.

[0052] The above description is merely illustrative of the application, and not restrictive. Since the application can be modified in various ways and have various substitutions and changes of the form, it should be understood that the application can be practiced otherwise than as specifically described herein without departing from the scope and spirit of the application as disclosed herein, which scope and spirit are to be accorded the full breadth of the claims along with reasonable inferences drawn therefrom. Accordingly, the scope of the application should be determined by the following claims.

[0053] The above description is merely illustrative of the application, and not restrictive. Since the application can be modified in various ways and have various substitutions and changes of the form, it should be understood that the application can be practiced otherwise than as specifically described herein without departing from the scope and spirit of the application as disclosed herein, which scope and spirit are to be accorded the full breadth of the claims along with reasonable inferences drawn therefrom. Accordingly, the scope of the application should be determined by the following claims.

[0054] It should be noted that, in the specification, relational terms such as first and second, and the like, can be used solely to distinguish one from another entity or action without necessarily requiring or implying that any such entity or action is either the first or second in time, in sequence, in priority, in importance, or in any other manner. Moreover, 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 can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

Claims

1. A range-extended fire truck, characterized in that, include: Battery module, used to provide power to firefighting drones; A drive motor, electrically connected to the battery module, is used to connect to the wheels and drive the fire truck to move. The diesel range extender is electrically connected to the battery module and is used to charge the battery module.

2. The range extended fire apparatus of claim 1, wherein, The diesel range extender includes a diesel engine and a generator connected to each other. The generator is electrically connected to the battery module for charging the battery module, and the diesel engine provides power to the generator.

3. The range extended fire apparatus of claim 2, wherein, The range-extended fire truck also includes a power conversion device, which is electrically connected to the battery module and the generator respectively, and is used to convert the power between the generator and the battery module.

4. The range-extended fire apparatus of any one of claims 1 to 3, wherein, The range-extended fire truck also includes a chassis, which is adapted to the diesel range extender and is a range-extended chassis.

5. The range-extended fire apparatus of any one of claims 1 to 3, wherein, The range-extended fire truck also includes a fire pump, which is electrically connected to the battery module and is used to regulate water pressure and flow.

6. The range extended fire apparatus of claim 5, wherein, The range-extended fire truck also includes a fire pump motor, and the fire pump is equipped with an impeller. The output end of the fire pump motor is connected to the impeller.

7. The range extended fire apparatus of claim 6, wherein, The range-extended fire truck also includes a flight control system, which is used to connect with the firefighting drone and control the firefighting drone to perform its operations. The flight control system is also connected to the fire pump motor signal.

8. The range extended fire apparatus of claim 7, wherein, The extended-range fire truck also includes a fire-fighting drone, which is connected to the flight control system and is equipped with a fire monitor for high-altitude firefighting.

9. The range extended fire apparatus of claim 8, wherein, The range-extended fire truck also includes a tether cable, which is electrically connected to the battery module and the fire-fighting drone.

10. The range extended fire apparatus of claim 3, wherein, The range-extended fire truck also includes a generator controller, which is signal-connected to the power conversion device and used to control the power conversion device to convert current.

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