RADAR SENSOR AND WAVEGUIDE DECOUPLER

Claims

1. A radar sensor (100) comprising a waveguide (104) comprising an inner wall (110) of the waveguide, a first part (112) and a second part (114) separate from the first part; and a waveguide separator (700) configured to separate the first section (112) from the second section (114), wherein the waveguide separator (700) is an element containing a first component (710) and a second component (720) made of different materials.

2. The radar sensor (100) according to claim 1, in which the first component (710) and the second component (720) made of different materials have different RF properties.

3. The radar sensor (100) according to claim 2, wherein the different RF properties are related to the absorption and conduction of radio frequencies.

4. A radar sensor (100) according to any one of the preceding claims, wherein the shape of the waveguide separator is designed such that at least a portion of the first component (710) partially covers the first portion (112), and the first component (710) has better absorption properties than the second component (720).

5. A radar sensor (100) according to one of the preceding claims, wherein the shape of the waveguide separator (700) is designed such that the second component (720) at least partially continues the inner wall (110) of the waveguide on the separator (700), and the second component (720) has better conductivity than the first component (710).

6. A radar sensor (100) according to any one of the preceding claims, wherein the second component (720) comprises a low-loss dielectric.

7. A radar sensor (100) according to any one of the preceding claims, wherein the first component (710) is connected to the second component (720) without a gap.

8. A radar sensor (100) according to any one of the preceding claims, wherein the first component (710) and the second component (720) are connected to each other in one or more of the following ways: adhesive bonding, welding, threaded connection, and / or cementation.

9. A radar sensor (100) according to any one of claims 1-7, wherein the waveguide separator (700) is formed as a single unit.

10. A radar sensor (100) according to one of the preceding claims, wherein the radar sensor (100) is a level sensor, a point level sensor, a flow sensor, or a pressure sensor.

11. A radar sensor (100) according to one of the preceding claims, wherein the radar sensor (100) comprises an electronics unit (1602) with an RF component (1604) and an adapter element (1610), wherein the adapter element (1610) is designed such that the electronics unit (1602) is located on a first side of the adapter element (1610), and the first section (112) of the waveguide (104) is located on the opposite second side of the adapter element (1610), wherein the waveguide separator (700) is adjacent to the adapter element (1610).

12. A waveguide separator (100), which is an element of the first component (710) and the second component (720) made of different materials; wherein the waveguide separator (700) is configured to galvanically isolate the first part (112) of the waveguide (104) from the second part (114) of the waveguide (104).

13. The waveguide separator (700) according to claim 12, in which at least the material of the second component is a non-conductive material for implementing potential decoupling of the first part (112) and the second part (114).

14. Use of a waveguide separator (700) according to claim 12 or 13 in a radar sensor (100).

15. Use of a waveguide separator (700) according to claim 12 or 13 for potential insulation of a waveguide (104).