Bottom-debugging cavity filter
A filter and cavity technology, which is applied in the field of filters, can solve problems such as complicated maintenance and replacement of equipment, poor outlet threaded holes, poor quality control, etc., and achieve the effects of improved debugging effect, low replacement cost, and good debugging effect
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Example Embodiment
Specific embodiment one:
[0035] like figure 1 As shown, it is a schematic structural diagram of a specific embodiment 1 of the present invention.
[0036] The bottom debugging type cavity filter 100 includes one or more cavities 110, an inner conductor 120 located inside the cavity 110 for conduction, an outer conductor 130 located outside the cavity 110 for conduction, and the outer conductor 130 and the inner conductor 130. The base 140 to which the conductors 120 are electrically connected, the housing cover 150 covering the top of all the cavities 110 , and the tuning element 160 located at the bottom of each cavity 110 for debugging.
[0037] like figure 2 As shown, it is a schematic structural diagram of a tuning element according to a specific embodiment of the present invention.
[0038] The tuning element 160 includes a resonance column 161 installed at the bottom of the cavity 110, a small cover plate 162 covered on the bottom of the cavity 110, a threaded hole 1...
Example Embodiment
Specific embodiment two:
[0052] like Image 6 As shown, it is a schematic structural diagram of the tuning screw according to the second embodiment of the present invention.
[0053] In this embodiment, the structure and working principle of the bottom-tuned cavity filter 100 are the same as those in the first embodiment, the difference is that in this embodiment, the tuning screw 164 includes a screw head 164g and is connected to the screw The main body 164b of the head 164g, and one end of the main body 164b is sleeved in the screw head 164g, and the axes of the two coincide. The screw head 164g has an external thread 164d matched with the threaded hole. One is metal material, and the other is non-metal material, such as plastic material. The screw head 164g and the main body 164b are made of two different materials to form a compound tuning screw 164, which combines the dual advantages of metal and plastic, so that the screw head 164g and the main body 164b have differen...
Example Embodiment
Specific embodiment three:
[0054] like Figure 7 As shown, it is a schematic structural diagram of the tuning screw according to the third embodiment of the present invention.
[0055] In this embodiment, the structure and working principle of the bottom-tuned cavity filter 100 are the same as those in the first embodiment, the difference is that in this embodiment, the tuning screw 164 includes a screw head 164g and is connected to the screw The main body 164b of the head 164g, one end of the screw head 164g is sleeved in the main body 164b, and the axes of the two coincide, the outer wall of the main body 164b is provided with an external thread 164d, and one of the screw head 164g and the main body 164b is Metal material, the other is non-metal material, such as plastic material. The screw head 164g and the main body 164b are made of two different materials to form a compound tuning screw 164, which combines the dual advantages of metal and plastic, so that the screw hea...
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