FIRE ENGINE SUITABLE FOR FIRE-FIGHTING IN HIGH-RISE AND SUPER HIGH-RISE BUILDINGS

• US 20160166862A1
• Filed: 07/16/2013
• Published: 06/16/2016
• Est. Priority Date: 07/16/2013
• Status: Active Grant

• Current Assignee: Beijing Mechanical Equipment Institute
• Original Assignee: Beijing Mechanical Equipment Institute
• Inventors: Qui, Xuang, Qui, Yuan, Zhang, Xuewen, Shen, Yang, Han, Shuyong, Liu, Hao
• Granted Patent: US 9,566,459 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: A01G 25/16 Control of watering
• CPC Class Codes: A62C 27/00 Fire-fighting land vehicles
• CPC Class Codes: A62C 3/00 Fire prevention, containment or extinguishing specially adapted for particular objects or places in oil wells E21B29/08, A62C35/00; in mines or tunnels E21F5/00 ; for nuclear reactors G21C9/04
• CPC Class Codes: A62C 3/025 Fire extinguishing bombs; Projectiles and launchers therefor launching apparatus for projectiles, missiles or torpedoes in general F41F1/00, F41F3/00, F41F7/00
• CPC Class Codes: A62C 31/28 Accessories for delivery devices, e.g. supports
• CPC Class Codes: A62C 37/00 Control of fire-fighting equipment heat-sensitive devices G01K
• CPC Class Codes: A62C 8/005 Receptacles or other utensils for water carrying; Bombs filled with extinguishing agents
• CPC Class Codes: E02F 9/2025 Particular purposes of control systems not otherwise provided for E02F3/16, E02F3/26, sub-groups of E02F3/43, E02F3/651, sub-groups of E02F3/84, E02F3/907, E02F5/145 take precedence
• CPC Class Codes: F42B 12/50 by dispersion
• CPC Class Codes: G01S 17/08 for measuring distance only indirect measurement G01S17/46; active triangulation systems G01S17/48
• CPC Class Codes: G01S 17/88 Lidar systems specially adapted for specific applications

Abstract

The invention discloses a fire fighting truck applicable to high-rise and super high-rise building fire suppression, comprising a truck chassis (1), a command control equipment (2), an launch control equipment (3), an equipment compartment (4), an launching apparatus (5), an ejection device (6), a fire extinguishing bomb (7), a turret control apparatus (8) and a photoelectric detection equipment (9), wherein, the command control equipment (2) and the launch control equipment (3) are arranged in the co-pilot position of the cab of the truck chassis (1); the equipment compartment (4) is arranged behind the cab and is fixed on the truck chassis (1) with bolts; the launching apparatus (5) is arranged on the truck chassis (1) and is fixed with screws; the ejection device (6) is arranged and fixed on the launching apparatus (5); the fire extinguishing bomb (7) is arranged within the ejection device (6); the turret control apparatus (8) is distributed on the truck chassis and the launching apparatus for accomplishing the actions of leveling the truck body and controlling the launching apparatus.

Claims

1. A fire fighting truck applicable to high-rise and super high-rise building fire suppression, characterized in that, comprising a truck chassis (1), a command control equipment (2), an launch control equipment (3), an equipment compartment (4), a launching apparatus (5), an ejection device (6), a fire extinguishing bomb (7), a turret control apparatus (8) and a photoelectric detection equipment (9);

wherein, the command control equipment (2) and the launch control equipment (3) are arranged in the co-pilot position of the cab of the truck chassis (1);

the equipment compartment (4) is arranged behind the cab and is fixed on the truck chassis (1) with a bolt;

the launching apparatus (5) is arranged on the truck chassis (1) and is fixed with screw nails;

the ejection device (6) is arranged on the launching apparatus (5) and fixed;

the fire extinguishing bomb (7) is arranged within the ejection device (6);

the turret control apparatus (8) is distributed on the truck chassis and the launching apparatus for accomplishing the actions of leveling truck body and controlling the launching apparatus;

the photoelectric detection equipment (9) is arranged below the launching apparatus (5) and fixed with screw nails;

wherein, the photoelectric detection equipment (9) comprises an installing shell, a power supply, a white light zoom camera, an infrared camera, a laser rangefinder and an integrated processing unit;

the white light zoom camera is connected to the installing shell by a screw, the infrared camera is connected to the installing shell by a screw;

the laser rangefinder is connected to the installing shell by a screw;

the power supply interface of the white light zoom camera is connected to the power supply via a wire;

the power supply interface of the infrared camera is connected to the power supply via a wire;

the power supply interface of the laser rangefinder is connected to the power supply via a wire;

the data interface of the white light zoom camera is connected to the integrated processing unit via a wire;

the data interface of the infrared camera is connected to the integrated processing unit via a wire;

the data interface of the laser rangefinder is connected to the integrated processing unit via a wire.

2. The fire fighting truck applicable to high-rise and super high-rise building fire suppression of claim 1, wherein the integrated processing unit comprises an integrated scheduling module, a data memory module, a zoom control module, and a data compensation module;

wherein, before fire fighting, the photoelectric detection equipment (9) is used for detecting fire source, comprising the following steps;

a fire source as target is aimed by the photoelectric detection equipment (9) by utilizing the white light zoom camera, wherein, the photoelectric detection equipment (9) is rotated by utilizing the turret, so that the target is present in the visual field of the white light zoom camera and displayed on a display screen, the magnification ratio of the white light zoom camera is controlled by the zoom control module, and the aimed target is centered on the display screen and displayed in its entirety;

according to the current magnification ratio of the white light zoom camera, the optical axis deviation value stored in the data memory module is read by the data compensation module to carry out data compensation, wherein, according to the optical axis deviation value at the current magnification ratio, the angle of the photoelectric detection equipment (9) is fine adjusted to make the white light optical axis at the current magnification ratio conform to the reference optical axis;

the laser ranging is performed continuously multiple times by the laser rangefinder, the measured distances of multiple times are averaged by the integrated scheduling module, and this average is used as target slant distance, thus the search and measurement to target is completed by the detection device.

3. The fire fighting truck applicable to high-rise and super high-rise building fire suppression of claim 2, wherein, before detecting fire source, the photoelectric detection equipment (9) is also used for carrying out the following steps:

under the condition that the current reference optical axis and above-mentioned three optical axes are inconsistent, the optical axes of the white light zoom camera, the infrared camera and the laser rangefinder are calibrated, that is the optical axis of the infrared camera, the optical axis of the laser rangefinder, and the optical axis of the white light zoom camera at the maximum magnification ratio are adjusted to be consistent, and the optical axes that are consistent with each other are used as the reference optical axis after adjustment;

the optical axis deviation of the white light zoom is detected, wherein, the zoom adjustment is carried out from the minimum magnification ratio to the maximum magnification ratio successively, the optical axis deviation amount of the white light optical axis of the white light zoom camera relative to the reference optical axis at different magnification ratios is detected and is stored in the data memory module.

4. The fire fighting truck applicable to high-rise and super high-rise building fire suppression of claim 3, wherein, the integrated processing unit also comprises a function self-checking module, and before detecting fire source, the photoelectric detection equipment (9) is also used for carrying out the following steps:

the power supply is started to power the equipments and power the white light zoom camera, the infrared camera, the laser rangefinder, and the integrated processing unit simultaneously, the white light zoom camera, the infrared camera, the laser rangefinder and the integrated processing module are self-checked and initialized by the function self-checking module, and the port communication state is configured after initialization.

5. The fire fighting truck applicable to high-rise and super high-rise building fire suppression of claim 2, wherein the integrated processing unit also comprises an image fusion module, and the detection of fire source performed by the photoelectric detection equipment (9) further includes the following steps:

under the condition that target images are obtained by the infrared camera, the images aimed and zoom controlled by the white light zoom camera and the images obtained by the infrared camera are read by the integrated scheduling module,

then, the images fusing treatment is performed by the image fusion module, wherein, the images obtained by the infrared camera are zoomed in or out to the magnification ratio corresponding to that of the images aimed and zoom controlled by the white light zoom camera, the transverse and longitudinal pixel number of the two images to be fused are made to be consistent by means of image cropping, and the two images are fused to obtain the fused image;

wherein, the photoelectric detection equipment (9) also comprises an image comparison module, and the detection of fire source performed by the photoelectric detection equipment (9) further includes the following steps;

the sharpness of the white light camera image, the infrared camera image, and/or above-mentioned fused images are compared by the image comparison module to determine the images with the highest sharpness as the image required by target range finding.

6. The fire fighting truck applicable to high-rise and super high-rise building fire suppression of claim 1, wherein, the turret control apparatus (8) consists of a turret servo equipment and a truck body leveling equipment, the turret servo equipment comprises a control computer, a servo control assembly, an azimuth-drive motor, a pitching electric cylinder, an azimuth read assembly, a pitching read assembly, an azimuth servomechanism, and a pivotal bearing;

the control computer is provided with a servo control module;

the azimuth read assembly and the azimuth servo mechanism are all engaged with the external tooth of the pivotal bearing;

wherein, the truck body leveling equipment comprises a leveling executing mechanism, a leveling control assembly, and a horizontal angle measurement assembly, and is provided with a leveling control module, wherein, four power drivers and the control computer are integrated in a leveling control cabinet, the leveling control cabinet is arranged in the middle of the equipment control cabinet, the levelness of the truck body is fed back by two horizon sensors in the leveling process of the extinguishing vehicle, wherein one horizon sensor arranged on the installed surface on chassis rotary trunnion crossbeam is the main horizon sensor, and the reading number of this horizon sensor is the criterion of horizontal and longitudinal levelness of the truck body;

another horizon sensor arranged on the front leveling oil cylinder crossbeam is the auxiliary horizon sensor, and it feeds back horizontal levelness of head direction in the leveling process.

7. The fire fighting truck applicable to high-rise and super high-rise building fire suppression of claim 2, wherein, the integrated processing unit also comprises an angle solving module, wherein, the angle solving module is used for solving the launching angle information of the fire extinguishing bomb;

wherein, after finishing the laser ranging, the oblique line distance L between the target fire source and the fire extinguishing bomb is obtained by the photoelectric detection equipment (9), meanwhile, the pitching angle θ

of the target relative to the turret is passed back to the integrated scheduling module by the turret system, the fire extinguishing bomb trajectory solution is carried out by the photoelectric detection equipment (9) to solve the launching angle information of the fire extinguishing bomb;

wherein, solving the launching angle information of the fire extinguishing bomb by the photoelectric detection equipment (9) includes the following steps;

the angle solving module is based on the following dynamics and kinematics differential equations;

dynamic differential equation

{dot over (u)}−

vω

_z1+wω

_Y1=(−

mg sin φ

cos ψ

−

C_AqS_M)/m 

 

(1)

{dot over (v)}+uω

_z1=[mg(sin φ

sin ψ

sin γ

−

cos φ

cos γ

)−

C_NqS_M cos φ

′

]/m 

 

(2)

{dot over (w)}−

uω

_Y1=[mg(sin φ

sin ψ

cos γ

+cos φ

sin γ

)−

C_NqS_M sin φ

′

]/m 

 

(3)

J_Y1{dot over (ω

)}_Y1=C_NqS_MΔ

l sin φ

′

+C_ZY1qS_Mlω

_Y1 

 

(4)

J_Z1{dot over (ω

)}_Z1=C_NqS_MΔ

l cos φ

′

+C_ZZ1qS_Mlω

_Z1 

 

(5)

kinematics differential equation

{dot over (X)}=u cos φ

cos ψ

−

v(sin φ

cos γ

+cos φ

sin ψ

sin γ

)+w(sin φ

sin γ

−

cos φ

sin ψ

cos γ

) 

 

(6)

{dot over (Y)}=u sin φ

cos ψ

+v(cos φ

cos γ

−

sin φ

sin ψ

sin γ

)−

w(cos φ

sin γ

+sin φ

sin ψ

sin γ

) 

 

(7)

Ż

=u sin ψ

−

v cos ψ

sin γ

+w cos ψ

cos γ

) 

 

(8)

{dot over (φ

)}=(ω

_Y1 sin γ

+ω

_Z1 cos γ

)/cos ψ

 

 

(9)

{dot over (ψ

)}=ω

_Z1 sin γ

−

ω

_Y1 cos γ

 

 

(10)

{dot over (γ

)}=−

{dot over (φ

)} sin γ

 

 

(11)

in the above-mentioned dynamics and kinematics differential equations, their inputs and outputs are as follows;

8. The fire fighting truck applicable to high-rise and super high-rise building fire suppression of claim 7, wherein, the angle solving module is also used for carrying out the following steps:

the height h0 of the target fire source relative to the fire extinguishing bomb and the horizontal distance d from the target to the launching point are solved and obtained from the oblique line distance L of the target and the pitching angle θ

of the target relative to the turret, according to the following formula;

h0=L×

sin θ

d=L×

cos θ

after calculating the overall trajectory parameters under a certain trajectory pitching angle φ

, the range height H reaching the horizontal distance d is calculated at the certain trajectory pitching angle φ

, wherein the initial value φ

0=θ

, shown as follows;

|H_k−

h0|≦

0.01 

 

(12)

φ

_k+1=φ

_k+0.5(H_k−

h0)θ

 

 

(13)

the relationship of size of H and the target height h0 is determined by using formula (12);

stop the iteration if it meets formula (12), and current pitching angle φ

_k is the final fire extinguishing bomb launching pitch angle;

if it does not meet formula (12), formula (13) is used to upgrade the launching pitching angle, the overall trajectory parameters and range height H_k+1 are recalculated with the dynamics and kinematics differential equations, wherein k is current iteration step number, until the range height and target height h0 meets formula (12), the pitching angle φ

k by then is the final fire extinguishing bomb launching pitching angle.

9. The fire fighting truck applicable to high-rise and super high-rise building fire suppression of claim 1, wherein, the fire distinguishing bomb (7) comprises a shell (7-4), a fuze (7-6), an igniter (7-3), a fire extinguishing agent (7-9), a main charge (7-10), a empennage braking section (7-1), a combustion chamber (7-8), a blocking plate (7-2), a piston (7-7), and a fairing (7-5);

the shell (7-4), the empennage braking section (7-1) and the piston (7-7) are made of light metal materials;

the shell (7-4) is cylindrical;

the empennage braking section (7-1) is arranged at bottom of the shell (7-4) and is fixed with screw nails of the shell (7-4);

the blocking plate (7-2) is arranged above the empennage braking section (7-1);

the combustion chamber (7-8) is arranged above the blocking plate (7-2) and fixed with a screw thread of the blocking plate (7-2);

the combustion chamber (7-8) is fixed with screw nails of the shell (7-4);

the piston (7-7) is arranged on the combustion chamber (7-8);

the inner diameter of the piston (7-7) mates with the outer diameter of the shell (7-4);

the piston (7-7) has a through hole at the center;

the igniter (7-3) is arranged within the through hole of the piston (7-7) and fixed with screw nails of the combustion chamber (7-8);

the main charge (7-10) is arranged within the combustion chamber (7-8);

the fire extinguishing agent (7-9) is arranged within the cavity on the upper portion of the piston (7-7) and fills up the entire cavity;

the fairing (7-5) is arranged at the top of the shell (7-4) and fixed with dowels of the shell (7-4);

the fairing (7-5) has spraying holes on the surface; and

the fuze (7-6) is arranged on the fairing (7-5) and fixed through the screw nail;

during operation of the fire extinguishing bomb (7), when the fuze (7-6) detects the fire extinguishing bomb to be 5-10 meters far away from afire source, it sends an ignition signal to the igniter (7-3), the igniter (7-3) ignites the main charge (7-10) within the combustion chamber (7-8), the main charge (7-10) generates high pressure when combusting, the piston (7-7) is pushed under high pressure to move in the shell (7-4), the extrusion to the fire extinguishing agent (7-9) causes a pin connected between the fairing (7-5) and the shell (7-4) to be sheared, the fire extinguishing agent (7-9) continues to push the fairing (7-5) to move forward, the fairing (7-5) is braked when reaching the front end of the shell (7-4), at that time the spraying holes has already been exposed to the air, while then the piston (7-7) continues to push the fire extinguishing agent (7-9) to move forward, the fire extinguishing agent (7-9) is sprayed out from the spraying holes to attack the fir source for fire extinguishing;

during the flying-spray process of the fire extinguishing bomb (7), the empennage braking section (7-1) opens a parachute to make the fire extinguishing bomb (7) to decelerate, the fire extinguishing bomb (7) penetrates the glass curtain wall, and goes deep into the building to implement, fire extinguishing.

10. The fire fighting truck applicable to high-rise and super high-rise building fire suppression of claim 1, wherein, the launch control equipment (3) comprises a launch control execution assembly (3-1) and a fire extinguishing bomb simulator (3-2);

wherein, the launch control execution assembly (3-1) sends a control instructions to the launching apparatus (5), the launching apparatus (5) receives the instructions from the information processing machine, and accomplishes the launch control task of the fire extinguishing bomb, the fire extinguishing bomb simulator (3-2) is used for simulating on-site signals and off-frame launching signals of the fire extinguishing bomb in the extinguishing vehicle training stage;

wherein, the inner part of the equipment compartment (4) comprises a generating set (4-1), a power supply and distribution cabinet (4-2), and a servo control device (4-3), and a communication antenna is provided outside the equipment compartment (4);

wherein, launching apparatus (5) consists of a launching turret (5-1), a launching bracket (5-2), and a module assembling frame (5-3), and the cable is provided at the structure interior center of the launching turret (5-1);

the launching bracket (5-2) used for supporting the module assembling frame plays a role in rapid loading, the module assembling frame (5-3) and in orienting during launching, and the launching bracket (5-2) not only realizes the locking and unlocking of the module assembling frame (5-3), but also determines the initial launching direction by cooperating with the support foot on the module assembling frame (5-3);

wherein, the ejection device (6) mainly comprises an ejection cylinder, a power plant, and a balanced body, and the fire extinguishing bomb, the power plant and the balanced body are placed inside the ejection cylinder.