A kind of production method of 5g base station ceramic filter
A technology of a ceramic filter and a production method, applied in the field of 5G communication, can solve problems such as unfavorable cost saving, complex process, multi-energy, etc., and achieve the effects of saving drying cost, saving consumption, and reducing heat loss
Active Publication Date: 2021-05-14
NANJING HUAMAI TECH
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Problems solved by technology
[0005] In order to make up for the deficiencies of the existing technology, solve the problem that after the surface of the ceramic filter is sprayed with silver medals in the production process, it needs to be completely dried by a separate drying equipment before it can be sintered and formed. The process is complicated and consumes more energy, which is not conducive to cost saving. Problem, a kind of 5G base station ceramic filter production method that the present invention proposes
Method used
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[0028] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.
[0029] Such as Figure 1 to Figure 6 Shown, a kind of 5G base station ceramic filter production method described in the present invention, this production method comprises the following steps:
[0030] S1: Drilling, rough grinding and polishing the surface of monolithic ceramics to ensure the surface quality of monolithic ceramics;
[0031] S2: The monolithic ceramics are rinsed, washed and ultrasonically cleaned, and then blown, dried and cooled in sequence;
[0032] S3: Scan the monolithic ceramics three-dimensionally through the spraying equipment, and establish a three-dimensional model; then the spraying equipment controls the nozzle to move in three dimensions according to the parameters of the three-dimensional model, sprays silver paste o...
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The invention belongs to the technical field of 5G communication, and specifically relates to a production method of a 5G base station ceramic filter. The sintering equipment used in the production method includes a sintering tube, one side of the sintering tube is connected to an exhaust pipe, and the other side is connected to a discharge pipe. There is a group of flame nozzles in the sintering tube, the flame nozzles are connected with the natural body, and the ignition device is provided on the flame nozzles; the exhaust pipe is provided with a conveyor chain, and a group of fixedly connected to the conveyor chain is used to fix the single piece The ceramic fixing seat, the pin of the monolithic ceramic is inserted on the fixing seat; there are two toothed discs used to support the conveyor chain, and the toothed disc on the side away from the sintering tube is driven by a motor; the sintering tube is set There is a refractory conveyor belt, and the conveyor belt is used to drive the monolithic ceramics to move in the sintering tube; when the high-temperature exhaust gas in the sintering tube passes through the exhaust pipe, the invention performs secondary drying on the monolithic ceramics, making full use of energy and saving monolithic ceramics. The drying cost of ceramics.
Description
technical field [0001] The invention belongs to the technical field of 5G communication, and specifically relates to a production method of a 5G base station ceramic filter. Background technique [0002] In the 3G / 4G period, the base station consists of three parts: the baseband processing unit BBU, the radio frequency processing unit RRU, and the antenna feeder system. In the 5G era, the three major components of the base station have undergone significant changes: (1) the BBU is split into a CU-DU two-level architecture; (2) the RRU and the large-scale array antenna are merged to form an active antenna AAU; (3) some physical components of the original BBU Layer functions are placed in the AAU. Among them, the filter, which is one of the key radio frequency devices, is particularly important in the technological upgrade of the 5G era. [0003] Compared with traditional metal cavity resonators, ceramic dielectric resonator filters have the characteristics of high rejection...
Claims
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IPC IPC(8): H01P11/00H01P1/20
CPCH01P1/20H01P11/007
Inventor 不公告发明人
Owner NANJING HUAMAI TECH