AFSS | DNB Co., LTD

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AFSS

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AFSS (Automatic Fire Sensing & Suppression System)

Automatic Fire Sensing & Suppression System
Safety and ReIiabiIity Fire Suppression performance Promised.
Automatic Fire Sensing & Suppression System has the capability to automatically detect & extinguish fires and explosion in ground military vehicles.
It takes less than 0.25ms to detect & suppress fire, which will minimize any damage. and protect crew members and the vehicle.

Application: K2 Tank

K1 Armored Recovery Vehicle

K1A1 Tank

Counter Obstacle Vehicle

Wheeled Armored Vehicle

Aircraft

K21 Armored Vehicle

120mm Self-Propelled Mortar

NBC Reconnaissance Vehicle(tracked)

NBC Reconnaissance Vehicle(Wheeled)

K9 SPH

Redback

System main component

Hybrid Control Unit(HCU)

HCU-08-S6E4 K21/K21ARV/NBC Reconnaissance Vehicle

HCU-12-S6E4 K21/K21ARV

HCU-16-S6E4 Whceled Amored Vehicle / Wheeled Armored Vehicle / 30mm Wheeled Anti-Aircraft Gun

First Appplication of Hybrid controller

Integration control of Crew & Engine bay BITE Built-in timer keeps system active after power off(3hours) Manual dischange of extinguisher

Model	HCU-08-S6E4	HCU-12-S6E4	HCU-16-S6E4
Power	24±6 VDC	24±6 VDC	24±6 VDC
Envelope	260X200X135mm	260x220x135mm	270x210x150mm
Weight	3.5kg	3.6kg	3.8kg
Environmental Qualified	Temperature : MIL-STD-810F Humidity: MIL-STD-810F Vibration : MIL-STD-810C Shock : MIL-STD-810F	Temperature : MIL-STD-810F Humidity: MIL-STD-810F Vibration : MIL-STD-810C Shock : MIL-STD-810C	Temperature : MIL-STD-810F Humidity: MIL-STD-810F Vibration : MIL-STD-810F Shock : MIL-STD-810F
	MIL-STD-461F	MIL-STD-461F	MIL-STD-461F
Performance Characteristic	It controls & oprates Afss in Crew & Engine bay Operational capability of Detection item - TC wire 1set OFSA 4~6EA Operational capability of Extinguishing item - Extinguisher 4~6EA Built-in Test Equipment Built-in timer keeps system active after power off (3hours) Manual discharge of extinguisher

Optical Fire Sensing Assembly(OFSA)

OFSA-08-S6E4 K1A1

OFSA-12-S6E4 K21/K21ARV/K2/K1ARV/NBC Reconnaissance Vehicle

OFSA-16-S6E4 Wheeled Armored Vehicle / 30mm Wheeled Anti-Aircraft Gun

Model	OFSA-08-S6E4	OFSA-12-S6E4	OFSA-16-S6E4
POWER	16.5±3 Vdc	16.5±3 Vdc	16.5±3 Vdc
Envelope	89x61x43mm	89x67x43mm	89x61x43mm
Weight	0.4Kg	0.4Kg	0.4Kg
Environmental Qualified	Temperature : MIL-STD-810 Humidity: MIL-STD-810 Vibration : MIL-STD-810 Shock : MIL-STD-810	Temperature : MIL-STD-810C Humidity: MIL-STD-810C Vibration : MIL-STD-810C Shock : MIL-STD-810C	Temperature : MIL-STD-810F Humidity: MIL-STD-810F Vibration : MIL-STD-810F Shock : MIL-STD-810F
Performance Characteristic	Respond time : 2msec FOV:90º solid cone min	Respond time : 4msec FOV:90º solid cone min Built-in Test Equipment Discrimination between small Fire and large Fire	Respond time : 4msec FOV:90º solid cone min Built-in Test Equipment	A B C

Extinguisher

EXT-08-Halon K21/K21ARV/K1/K1A1/K1AVLB

Extinguishing agent : Halon 1301 (Best existing agent)

EXT-12-Halon Wheeled Combat Vehicle

Extinguishing agent : Halon 1301 (Best existing agent)

EXT-12-HFC227 NBC Reconnaissance Vehicle / 30mm Wheeled Anti-Aircraft Gun

Extinguishing agent : HFC227

Model	EXT-08-Halon	EXT-12-Halon	EXT-12-FM200
Power	24±6 Vdc	24±6 Vdc	24±6 Vdc
Envelope	5LBS:172x138x426mm 7LBS:172x138x496mm 10LBS:172x138x590mm	5LBS:185x161x440mm 7LBS:185x161x510mm 10LBS:185x161x607mm	5LBS:174x151x132mm 7LBS:174x151x502mm 10LBS:174x151x599mm
Enviromental Qualified	Temperature: MIL-STD-810F Humidity: MIL-STD-810F Vibration: MIL-STD-810C Shock: MIL-STD-810F	Temperature: MIL-STD-810F Humidity: MIL-STD-810F Vibration: MIL-STD-810F Shock: MIL-STD-810F	Temperature: MIL-STD-810F Humidity: MIL-STD-810F Vibration: MIL-STD-810C Shock: MIL-STD-810
Performance Characteristic	Fill pressure - Halon 1301 : 750±20 PSI Discharge time (Halon 1301) - 5LBS:90msec - 7LBS:190msec - 10LBS:270msec	Fill pressure - Halon 1301 : 750±20 PSI Discharge time (Halon 1301) - 5LBS:90msec - 7LBS:190msec - 10LBS:270msec Low Pressure detection	Fill pressure - FM200 : 900±20 PSI Discharge time (FM200) - 5LBS:None - 7LBS:270msec - 10LBS:439msec Low Pressure detection

Thermocouple Wire

3.8m K1/K1A1/K2

4.3m K21/K21ARV

7.6m UPDATING..

- Fire detection by thermocouple - It's length is adjustable to size of space equipped with it - It is installed where OFSA is not suliable due to its contamination such as engine bay - It consist of thermocouple & ceramic elements in stainless steel pipe - It takes 12±5 sec to detect 25.4mm diameter flame

Model	TC WIRE-380	TC WIRE-430	TC WIRE-760
Length	Customized per request(3.8m)	Customized per request(4.3m)	Customized per request(7.6m)
Weight	0.4kg	0.5Kg	1.0Kg
Environmental Qualified	Temperature : MIL-STD-810C Humidity : MIL-STD-810C	Temperature : MIL-STD-810 Humidity : MIL-STD-810	Temperature : MIL-STD-810F Humidity : MIL-STD-810F
Performance Characteristic	ITS 90(K-type) Qualified MIL-F-7872C Qualified

Temperature Senser

Model	Temperature Senser
Weight	0.15Kg
Environmental Qualified	Temperature : MIL-STD-810 Humidity : MIL-STD-810
Performance Characteristic	ITS 90(K-type) Qualified

Tire AFSS: Wheel-type armored vehicles using tires need a tire fire extinguishing device that can automatically detect and suppress external fires
DNB has completed the development of a fire extinguishing device for overseas export armored vehicles and 30-ton armored vehicles.; Test Equipment
1. AFSS simulator 2. Auto Circuit Board Tester 3. PCB tester 4. Extinguisher Performance test 5. Cylinder Endoscope 6. Temperature & Humidity Chamber 7. Extinguisher valve tester 8. Extinguisher Free-fall Tester 9. OFSA Live fire Tester