Sprinkler device
A sprinkler device 200 for a fire suppression system 10 , the sprinkler device 200 including: a sprinkler bulb 100 comprising a first antenna. The sprinkler device 200 also includes a second antenna 220 for communicating with the first antenna of the sprinkler bulb 100 , and a base plate 230 , wherein the second antenna 220 is disposed within the base plate 230.
1. A sprinkler device for a fire suppression system, the sprinkler device comprising:
a sprinkler bulb comprising a first antenna;
a second antenna for communicating with the first antenna of the sprinkler bulb; and
a base plate, wherein the second antenna is disposed within the base plate.
2. A sprinkler device as claimed in claim 1 , wherein the second antenna is a coil antenna.
3. A sprinkler device as claimed in claim 1 , wherein the sprinkler bulb is coaxial with the second antenna.
4. A sprinkler device as claimed in claim 1 , wherein the base plate is formed of metal, heat resistant polymer, glass, and/or composite.
5. A sprinkler device as claimed in claim 1 , comprising a flux concentrator arranged to concentrate flux from the second antenna at the sprinkler bulb.
6. A sprinkler device as claimed in claim 1 , wherein the sprinkler device comprises a fluid inlet for fire suppression fluid, and the second antenna is disposed around the fluid inlet.
7. A sprinkler device as claimed in claim 1 , wherein the first antenna of the sprinkler bulb is an RFID tag embedded within a housing of the sprinkler bulb.
8. A sprinkler device as claimed in claim 1 , wherein the second antenna is configured to use signals in the frequency range of 100 kHz to 160 kHz.
9. A fire suppression system comprising a sprinkler device as claimed in claim 1 .
10. A method of assembling a sprinkler device of a fire suppression system, the method comprising installing a sprinkler bulb comprising a first antenna, and further comprising installing a second antenna in a base plate of the sprinkler device for communicating with the first antenna.
11. A method as claimed in claim 10 , wherein installing the second antenna comprises installing a coil antenna.
12. A method as claimed in claim 10 , comprising installing a flux concentrator to concentrate flux from the second antenna at the sprinkler bulb.
13. A method as claimed in claim 10 , comprising installing the sprinkler bulb and the second antenna to be coaxial.
14. A method as claimed in claim 10 , comprising installing the second antenna about a fluid inlet of the sprinkler device.
15. A method as claimed in claim 10 , comprising configuring the second antenna to use signals in the frequency range of 100 kHz-160 kHz.