Whip antenna high voltage protection device with an integrated electric charge bleed-off system
View Patent ↗An antenna protection device includes a pair of opposed contacts, an inner electrode connected to one of the contacts. The outer electrode is separated from the inner electrode by a dielectric layer and connected to the other of the contacts. A bleed-off resistor is connected between the opposed contacts to dissipate any accumulated. Corona rings may be employed around the foregoing components to improve operation of the device.
1. An antenna protection device, comprising:
a pair of opposed contacts;
an inner electrode connected to one of said contacts;
an outer electrode separated from said inner electrode and connected to the other of said contacts;
a resistor connected between said opposed contacts; and
an inner insulator disposed between said electrodes and said resistor,
wherein said resistor includes a conductor extending from one end thereof, and wherein said resistor is received within said insulator such that said conductor extends axially from said insulator and connects to one of said contacts and the opposite end of said resistor is connected to the other of said contacts.
2. The device according to claim 1 , wherein said inner and outer electrodes are of a tubular construction with said inner electrode at least partially axially received within said outer electrode.
3. The device according to claim 1 , wherein said inner and outer electrodes are of a tubular construction with said inner electrode at least partially axially received within said outer electrode, and wherein said inner and outer electrodes are separated by a dielectric layer.
4. An antenna protection device, comprising:
a pair of opposed contacts;
an inner electrode connected to one of said contacts;
an outer electrode separated from said inner electrode and connected to the other of said contacts;
a resistor connected between said opposed contacts; and
an inner insulator disposed between said electrodes and said resistor, wherein said resistor has a conductor extending from one end thereof, and wherein said resistor is received within said insulator such that said conductor extends axially from said insulator and connects to one of said contacts and the opposite end of said resistor is connected to the other of said contacts.
5. The device according to claim 4 , wherein said inner insulator has an exterior surface with an outer diameter and an electrode exterior surface having a reduced outer diameter which is axially received within said inner electrode.
6. An antenna protection device, comprising:
a pair of opposed contacts;
an inner electrode connected to one of said contacts;
an outer electrode separated from said inner electrode and connected to the other of said contacts;
a resistor connected between said opposed contacts; and
a corona ring disposed around said resistor.
7. An antenna protection device, comprising:
a pair of opposed contacts;
an inner electrode connected to one of said contacts;
an outer electrode separated from said inner electrode and connected to the other of said contacts;
a resistor connected between said opposed contacts; and
a corona ring disposed around said outer electrode.
8. An antenna protection device, comprising:
a pair of opposed contacts;
an inner electrode connected to one of said contacts;
an outer electrode separated from said inner electrode and connected to the other of said contacts;
a resistor connected between said opposed contacts; and
a corona ring disposed around said inner electrode.
9. An antenna, comprising:
a proximal element;
a distal element; and
an antenna protection device disposed between said proximal and distal elements, said protection device comprising a capacitor enclosing a resistor connected in parallel with said capacitor.
10. The antenna according to claim 9 , said capacitor comprising:
an inner electrode connected to one of said elements;
an outer electrode separated from said inner electrode and connected to the other of said elements; and
said resistor connected between said inner and outer electrodes.
11. The antenna according to claim 10 , wherein said inner electrode is axially received within said outer electrode.
12. The antenna according to claim 11 , further comprising:
a dielectric layer disposed between said inner and outer electrodes.
13. The antenna according to claim 9 , further comprising:
a corona ring disposed around said resistor.
14. The antenna according to claim 9 , further comprising:
a corona ring disposed around said outer electrode.
15. The antenna according to claim 9 , further comprising:
a corona ring disposed around said inner electrode.