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The systems of combined fire extinguishing - with automatic power-on

The systems of combined fire extinguishing - with automatic power-on consist of two independent lines: powder line with the device of automatic activation, intended for automatic electric switching or for manually activating of actuation mechanism of gas cylinder and solution line. These lines can be switched on separately or simultaneously. - fire extinguishing systems with automatic activation are composed only of the powder line.

-.

Powder line is designed for extinguishing in the engine compartment or another part by the throw of fire extinguishing powder in the points through the holes in the distribution pipe. Solution line is used for extinguishing fires outside the zone of protection of the powder lines, and for secondary fires by extinguishing solution in the fire.

The system automatically activates the actuation mechanism of the powder line when a heat detector reaches the temperature of activation in the protected area. At fire detection, switching of powder line as well could be activated by the operator with a pressing of electric start button on the board of the device of automatic activation, or on remote board, or with slap of the palm on hand-operated button of actuation mechanism. The solution line is driven manually.

I - the device of automatic activation; II - powder; III - the solution line

The device of automatic activation implements:

  • light alarm of presence of electric power supply in the circuit;
  • light alarm of malfunction of heat detectors, circuit of remote board and the circuit of generating start element (GSE);
  • protection of device of automatic activation when short-circuit and over-voltage of external power source (the onboard circuit of the vehicle);
  • backup power supply of automatic transfer switch for up to 5 days when disconnected from an external power source;
  • control of changes of the temperature range in the area of heat detectors;
  • sound and light alarms when the temperature reaches 100o C of the specific heat detector, and "()FIRE" upon reaching a critical temperature;
  • automatic activation of powder line system upon reaching a critical temperature;
  • emergency activation of the powder line with pressing an electric start button on the control board, or pressing it on the remote board, or with the button of hand start which is located on the shut-off control head.

Technical characteristics.

#

Parameter name,

The unit of measurement.

-.50

-.100

-.150

1

The types of extinguishing agent (TEA):
- powder line
- solution line


powder " " *
water solution of calcium chloride

2

Activation:
- powder line
- solution line


automatic or hand
hand

3

TEA total weight, kg:**
- powder
- solution

37

20
17

83
50
33

120
70
50

4

The construction mass of system, kg, not more

80

120

150

5

The total weight, kg, not more

125

210

285

6

Fire-extinguishing ability:
- powder-line protected area, m 3
- solution line protected area, m 2

20

1,25

50

2,5

70

3,75

7

Working gas

nitrogen or air

8

The volume of a gas cylinder, dm3, not more
- powder line
- solution line

8
7

9

The pressure in the gas cylinder of powder and solution line at 20 C, MPa


from 11.7 to 13.5

10

Working pressure in the system tanks, MPa, not more

1,2

11

Throw distance of TEA:
solution, m, not less
powder, m, not less

10
4

12

The throw time of TEA, sec, no more than:
- powder
- solution

60
60

60
60

100
60

13

Flexible-hose length of the solution line, m, not less

8

15

20

14

The supply voltage of the device of automatic activation, V

24

15

Current consumption, A, not more:
- in operating mode
- in the mode of activation the system

0,5
10

16

Operating temperature, without heat detectors and cables:

- execution O1



from minus 50 to 50

17

Total average service life, years

10

18

Warranty period, years

1

19

The time of bringing the system into action, sec, no more than:
- powder line of electrical start
- powder line of hand start
- solution line of hand start

3

3
10

20

The force for activation the start device:
- with finger, N, not more
with a palm, N, not more
- with a strike of the hand, J, not more


100

230

3