CN212625990U

CN212625990U - Dielectric filter for wireless communication base station

Info

Publication number: CN212625990U
Application number: CN202021760755.9U
Authority: CN
Inventors: 薛凌
Original assignee: Nanjing Xinzhi Electronic Material Technology Co ltd
Current assignee: Nanjing Xinzhi Electronic Material Technology Co ltd
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2021-02-26
Anticipated expiration: 2030-08-21

Abstract

The utility model discloses a dielectric filter for wireless communication basic station relates to dielectric filter technical field, does not have the support for solving current dielectric filter for wireless communication basic station, leads to causing the problem of bottom surface wearing and tearing easily when putting. The dielectric filter comprises a dielectric filter body and is characterized in that four dielectric resonators are arranged inside the dielectric filter body, a dielectric resonant cavity is arranged inside the dielectric resonators, the dielectric resonant cavities and the dielectric resonators are of an integral structure, a ceramic channel is arranged outside the dielectric resonators and is communicated with the dielectric resonant cavities, an interface mechanism is arranged on the rear end face of the dielectric filter body, a cover body is arranged at the upper end of the dielectric filter body, a window is arranged on the upper surface of the cover body, fixing screws are arranged on two sides of the cover body, and the cover body is in threaded connection with the dielectric filter body through the fixing screws.

Description

Dielectric filter for wireless communication base station

Technical Field

The utility model relates to a dielectric filter technical field specifically is a dielectric filter for wireless communication basic station.

Background

The dielectric filter is a microwave filter which adopts a dielectric resonant cavity to obtain the frequency selection effect through multistage coupling, and after the 21 st century, the dielectric filter is gradually moved from a laboratory to a production line through long-term accumulation in the aspects of theory and practice, and has the advantages of miniaturization, low loss, good temperature characteristic and the like, so the dielectric filter is widely applied to systems of mobile communication, microwave communication and the like, and is characterized by small insertion loss, good power resistance and narrow bandwidth, is particularly suitable for CT1, CT2, 900MHz, 1.8GHz, 2.4GHz, 5.8GHz, portable telephones, automobile telephones, wireless earphones, high-power cables and the like, The level-to-level coupling filtering of wireless microphones, radio stations, cordless phones, and integrated transceivers and duplexers plays an important role in wireless communication base stations.

However, the existing dielectric filter for the wireless communication base station has no support, so that the bottom surface is easily abraded when the dielectric filter is placed; therefore, the existing requirements are not satisfied, and a dielectric filter for a wireless communication base station is provided for the requirement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dielectric filter for wireless communication basic station to solve the current dielectric filter for wireless communication basic station that proposes in the above-mentioned background art and do not have the support, lead to causing the problem of bottom surface wearing and tearing easily when putting.

In order to achieve the above object, the utility model provides a following technical scheme: a dielectric filter for a wireless communication base station comprises a dielectric filter main body, wherein four dielectric resonators are arranged inside the dielectric filter main body, a dielectric resonant cavity is arranged inside the dielectric resonators, the dielectric resonant cavity and the dielectric resonators are of an integral structure, a ceramic channel is arranged outside the dielectric resonators and is communicated with the dielectric resonant cavities, an interface mechanism is arranged on the rear end face of the dielectric filter main body, a cover body is arranged at the upper end of the dielectric filter main body, a window is arranged on the upper surface of the cover body, fixing screws are arranged on two sides of the cover body, and the cover body is in threaded connection with the dielectric filter main body through the fixing screws.

Preferably, the lower extreme of dielectric filter main part is provided with the protection base, and protection base and dielectric filter main part fixed connection, the lower surface of protection base is provided with the recess, and recess and protection base structure as an organic whole.

Preferably, the inside of recess is provided with the support, and the support is provided with two, one side of support is provided with the fixed axle, and the support passes through the fixed axle and is connected with the protection base rotation, the opposite side of support is provided with the abrasion pad, and abrasion pad and support fixed connection.

Preferably, a rubber limiting block is arranged at the joint of the protection base and the groove, and the rubber limiting block is fixedly connected with the protection base.

Preferably, the upper surface of the protection base is provided with an empty groove, the empty groove and the protection base are of an integrated structure, and heat conduction silicone grease is arranged inside the empty groove.

Preferably, the inside of lid is provided with the baffle, be provided with the spout between baffle and the lid, and spout and lid structure as an organic whole.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up the protection base at dielectric filter main part lower extreme, set up the recess at protection base lower surface, at the inside support that sets up of recess, rotate the support through the fixed axle, form limiting displacement naturally when until the support touches recess and protection base junction to support the dielectric filter main part, prevent that the dielectric filter main part from taking place wearing and tearing with the ground contact, increase the protectiveness, it is simple effective, the support is taken in the recess and is prevented to drop through the rubber stopper, does not influence dielectric filter main part normal use.

2. Through setting up the dead slot at protection base upper surface, set up heat conduction silicone grease at the inside heat conduction silicone grease that sets up of dead slot, heat conduction silicone grease contact dielectric filter main part and dead slot surface improve dielectric filter main part heat dispersion, prevent that dielectric filter main part self high temperature can't normal use, and the dead slot is intercommunication around the while, further improves the radiating effect, improves the security.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the internal top structure of the dielectric filter body according to the present invention;

fig. 3 is a schematic view of the bottom surface of the protective base according to the present invention;

in the figure: 1. a dielectric filter body; 2. a cover body; 3. a baffle plate; 4. a chute; 5. fixing screws; 6. a dielectric resonator; 7. a ceramic channel; 8. windowing; 9. an interface mechanism; 10. a protective base; 11. an empty groove; 12. heat-conducting silicone grease; 13. a support; 14. a wear pad; 15. a fixed shaft; 16. a rubber stopper; 17. a dielectric resonant cavity; 18. and (4) a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a dielectric filter for wireless communication basic station, including dielectric filter main part 1, the inside of dielectric filter main part 1 is provided with dielectric resonator 6, and dielectric resonator 6 is provided with four, the inside of dielectric resonator 6 is provided with dielectric resonator 17, and dielectric resonator 17 and dielectric resonator 6 structure as an organic whole, the outside of dielectric resonator 6 is provided with ceramic channel 7, and ceramic channel 7 and dielectric resonator 17 intercommunication, dielectric filter main part 1 rear end face is provided with interface mechanism 9, the upper end of dielectric filter main part 1 is provided with lid 2, the upper surface of lid 2 is provided with windowing 8, the both sides of lid 2 all are provided with fixed screw 5, and lid 2 passes through fixed screw 5 and dielectric filter main part 1 threaded connection.

Further, the lower extreme of dielectric filter main part 1 is provided with protection base 10, and protection base 10 and dielectric filter main part 1 fixed connection, and the lower surface of protection base 10 is provided with recess 18, and recess 18 and protection base 10 structure as an organic whole are used for placing support 13, can not influence dielectric filter main part 1 normal use after receiving.

Further, the inside of recess 18 is provided with support 13, and support 13 is provided with two, and one side of support 13 is provided with fixed axle 15, and support 13 passes through fixed axle 15 and is connected with protection base 10 rotation, and the opposite side of support 13 is provided with wear pad 14, and wear pad 14 and support 13 fixed connection, and support 13 supports dielectric filter main part 1, prevents that dielectric filter main part 1 from taking place wearing and tearing with the ground contact, increases the protectiveness.

Further, the joint of the protection base 10 and the groove 18 is provided with a rubber limiting block 16, the rubber limiting block 16 is fixedly connected with the protection base 10, and the rubber limiting block 16 prevents the support 13 from falling.

Further, the upper surface of the protective base 10 is provided with an empty groove 11, the empty groove 11 and the protective base 10 are of an integral structure, and the heat-conducting silicone grease 12 is arranged inside the empty groove 11, so that the heat dissipation performance of the dielectric filter body 1 is improved.

Further, the inside of lid 2 is provided with baffle 3, is provided with spout 4 between baffle 3 and the lid 2, and spout 4 and lid 2 structure as an organic whole, is convenient for form airtight space, is convenient for inspect the maintenance to dielectric filter main part 1 inside through lid 2.

The working principle is as follows: when the medium filter is used, the wall body of the medium filter main body 1 is inserted into the sliding groove 4, the cover body 2 is fixed with the medium filter main body 1 by the fixing screw 5 to form a closed space, the medium filter main body 1 and the cover body 2 are made of microwave ceramic materials, an electromagnetic field can be limited in the resonant cavities, two adjacent medium resonant cavities 17 are coupled through the ceramic channel 7 and the windowing 8, so that the medium resonators 6 are coupled to realize normal operation, when the medium filter main body 1 is placed on the ground, the two supports 13 are rotated towards two sides, the limiting function is naturally formed when the supports 13 touch the joint of the groove 18 and the protective base 10, so that the supports 13 support the medium filter main body 1, the medium filter main body 1 is prevented from being worn due to contact with the ground, the protective performance is increased, when the medium filter main body is not used, the supports 13 are folded to press the, the rubber stopper 16 prevents the support 13 from dropping, and the heat-conducting silicone grease 12 contacts the surfaces of the dielectric filter body 1 and the hollow groove 11, thereby improving the heat dissipation performance of the dielectric filter body 1.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A dielectric filter for a wireless communication base station, comprising a dielectric filter main body (1), characterized in that: a dielectric resonator (6) is arranged in the dielectric filter body (1), four dielectric resonators (6) are arranged, a dielectric resonant cavity (17) is arranged inside each dielectric resonator (6), the dielectric resonant cavity (17) and the dielectric resonator (6) are of an integral structure, a ceramic channel (7) is arranged outside the dielectric resonator (6), the ceramic channel (7) is communicated with the medium resonant cavity (17), the rear end face of the medium filter main body (1) is provided with an interface mechanism (9), a cover body (2) is arranged at the upper end of the dielectric filter main body (1), a window (8) is arranged on the upper surface of the cover body (2), fixing screws (5) are arranged on two sides of the cover body (2), and the cover body (2) is in threaded connection with the dielectric filter main body (1) through a fixing screw (5).

2. The dielectric filter for a wireless communication base station according to claim 1, characterized in that: the lower extreme of dielectric filter main part (1) is provided with protection base (10), and protection base (10) and dielectric filter main part (1) fixed connection, the lower surface of protection base (10) is provided with recess (18), and recess (18) and protection base (10) structure as an organic whole.

3. The dielectric filter for a wireless communication base station according to claim 2, wherein: the inside of recess (18) is provided with support (13), and support (13) are provided with two, one side of support (13) is provided with fixed axle (15), and support (13) rotate with protection base (10) through fixed axle (15) and be connected, the opposite side of support (13) is provided with abrasion pad (14), and abrasion pad (14) and support (13) fixed connection.

4. The dielectric filter for a wireless communication base station according to claim 2, wherein: the joint of the protection base (10) and the groove (18) is provided with a rubber limiting block (16), and the rubber limiting block (16) is fixedly connected with the protection base (10).

5. The dielectric filter for a wireless communication base station according to claim 2, wherein: the upper surface of protection base (10) is provided with dead slot (11), and dead slot (11) and protection base (10) structure as an organic whole, the inside of dead slot (11) is provided with heat conduction silicone grease (12).

6. The dielectric filter for a wireless communication base station according to claim 1, characterized in that: the novel multifunctional cover is characterized in that a baffle (3) is arranged inside the cover body (2), a sliding groove (4) is formed between the baffle (3) and the cover body (2), and the sliding groove (4) and the cover body (2) are of an integrated structure.