Enclosure for leak detector
A nozzle cap assembly includes a nozzle cap configured to mount on a fire hydrant, the nozzle cap housing defining an inner surface and an outer surface, the inner surface defining a nozzle cap cavity within the nozzle cap; an antenna enclosure mounted to the nozzle cap, a portion of the antenna enclosure disposed external to the nozzle cap; and an antenna positioned within the antenna enclosure.
1. A nozzle cap assembly comprising:
a nozzle cap configured to mount on a fire hydrant, the nozzle cap housing defining an inner surface and an outer surface, the inner surface defining a nozzle cap cavity within the nozzle cap;
an antenna enclosure mounted to the nozzle cap, a portion of the antenna enclosure disposed external to the nozzle cap; and
an antenna positioned within the antenna enclosure.
2. The nozzle cap assembly of claim 1 , wherein the antenna defines a curved portion.
3. The nozzle cap assembly of claim 1 , wherein a portion of the antenna is disposed external to the nozzle cap.
4. The nozzle cap assembly of claim 1 , wherein:
the nozzle cap defines a bore extending from the inner surface to the outer surface;
an antenna cable is disposed within the bore; and
the antenna cable attaches the antenna to a circuit board disposed within the nozzle cap cavity.
5. The nozzle cap assembly of claim 1 , wherein the nozzle cap defines a bore extending from the inner surface to the outer surface; and wherein the antenna and the antenna enclosure cover the bore.
6. The nozzle cap assembly of claim 1 , wherein the antenna enclosure defines an antenna cavity, and wherein the antenna is disposed within the antenna cavity.
7. The nozzle cap assembly of claim 1 , further comprising a vibration sensor disposed within the nozzle cap cavity.
8. The nozzle cap assembly of claim 1 , wherein the antenna enclosure comprises a material configured not to interfere with wireless signals from the antenna through the enclosure.
9. The nozzle cap assembly of claim 8 , wherein the material is a plastic.
10. The nozzle cap assembly of claim 1 , wherein the inner surface defines an internally threaded portion configured to engage an externally threaded portion of a nozzle of the fire hydrant.
11. The nozzle cap assembly of claim 1 , wherein a portion of the antenna enclosure is annular around the antenna.
12. The nozzle cap assembly of claim 1 , wherein a portion of the antenna enclosure is secured to the nozzle cap by a shelf defined by the nozzle cap.
13. A fire hydrant assembly comprising:
a fire hydrant, the fire hydrant comprising a nozzle;
a nozzle cap mounted on the nozzle, the nozzle cap defining an inner surface and an outer surface, the inner surface defining a nozzle cap cavity within the nozzle cap;
an antenna enclosure mounted to the nozzle cap, a portion of the antenna enclosure disposed external to the nozzle cap; and
an antenna positioned within the antenna enclosure.
14. The fire hydrant assembly of claim 13 , wherein the antenna defines a curved portion.
15. The fire hydrant assembly of claim 13 , wherein a portion of the antenna is disposed external to the nozzle cap.
16. The fire hydrant assembly of claim 13 , wherein the nozzle cap defines a bore extending from the inner surface to the outer surface; and wherein the antenna and the antenna enclosure cover the bore.
17. The fire hydrant assembly of claim 13 , wherein:
the nozzle cap defines a bore extending from the inner surface to the outer surface;
an antenna cable is disposed within the bore; and
the antenna cable attaches the antenna to a circuit board disposed within the nozzle cap cavity.
18. The fire hydrant assembly of claim 13 , wherein the inner surface defines an internally threaded portion, and wherein the internally threaded portion engages an externally threaded portion of the nozzle.
19. A method for monitoring for a parameter in a fluid system, the method comprising:
mounting a nozzle cap assembly on a nozzle of a fire hydrant connected in fluid communication with the fluid system, the nozzle cap assembly comprising:
a nozzle cap mounted on the nozzle, the nozzle cap defining an inner surface and an outer surface, the inner surface defining a nozzle cap cavity within the nozzle cap;
a sensor disposed within the nozzle cap cavity, the sensor configured to collect data for the parameter;
an antenna enclosure mounted to the nozzle cap, a portion of the antenna enclosure disposed external to the nozzle cap; and
an antenna positioned within the antenna enclosure, the antenna configured to transmit a signal carrying data gather by the sensor;
gathering data for the parameter with the nozzle cap assembly; and
transmitting the data collected by the sensor with the antenna.
20. The method of claim 19 , wherein mounting the nozzle cap assembly on the nozzle further comprises:
engaging an internally threaded portion of the nozzle cap with an externally threaded portion of the nozzle, the internally threaded portion of the nozzle cap defined by the inner surface.