CN201853789U - Communication equipment, cavity filter and cover plate of cavity filter - Google Patents
Communication equipment, cavity filter and cover plate of cavity filter Download PDFInfo
- Publication number
- CN201853789U CN201853789U CN2010205030034U CN201020503003U CN201853789U CN 201853789 U CN201853789 U CN 201853789U CN 2010205030034 U CN2010205030034 U CN 2010205030034U CN 201020503003 U CN201020503003 U CN 201020503003U CN 201853789 U CN201853789 U CN 201853789U
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- plate
- cavity
- cover plate
- body filter
- cavity body
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Abstract
The embodiment of the utility model discloses a cavity filter and a cover plate of the cavity filter. The cavity filter comprises a cavity, the cover plate and a tuning rod, wherein, the cover plate covers the cavity to form a resonant cavity; the tuning rod is arranged in the resonant cavity in an inserted manner; the cover plate comprises a first plate piece adjacent to the resonant cavity and a second plate piece arranged on the first plate piece; and the first plate piece is used for satisfying the electrical performance requirement of the resonant cavity in the cavity filter, and is preferentially made of a copper material. The cover plate disclosed by the embodiment of the utility model adopts a double-layer design, thereby satisfying the electrical performance requirement of the resonant cavity in the cavity filter, greatly simplifying the processing flow of the cover plate, and reducing the production cost. Besides, the embodiment of the utility model further discloses communication equipment using the cavity filter; and due to the cover plate, the production costs of the communication equipment and the cavity filter of the communication equipment can be reduced to a great degree.
Description
[technical field]
The utility model relates to the wave filter technology field, and particularly a kind of cavity body filter and cover plate thereof also relate to a kind of communication equipment that uses this cavity body filter.
[background technology]
Cavity body filter is widely used in the communications field as a kind of frequency selection device, especially field of radio frequency communication.In the base station, filter is used to select signal of communication, clutter or interference signal that the filtering communication signal frequency is outer.
Cavity body filter generally comprises three classes, and the first kind is a coaxial cavity filter, and second class is a dielectric filter, and the 3rd class is a waveguide filter.
With regard to the coaxial cavity filter (be called for short down cavity body filter), see also Fig. 1, Fig. 1 has shown the schematic cross-section of a kind of cavity body filter in the prior art and cover plate thereof.
As shown in Figure 1, this cavity body filter 10 comprises cavity 11, cover plate 12, pad 13, nut 14, tuning plug 15 and screw 16.
Wherein, cavity 11 adopts aluminum alloy materials usually, further is provided with resonatron 111 in the cavity 11, and cavity 11 sides are provided with a plurality of fixing holes 112.Cover plate 12 also adopts aluminum alloy materials usually, and the middle part of cover plate 12 is provided with installing hole 121, and the edge of cover plate 12 is provided with the through hole 122 with a plurality of fixing holes 112 couplings, by screw 16 capping cavitys 11 to form resonant cavity 112.In addition, installing hole 121 tops further are provided with pad 13 and nut 14, and tuning plug 15 penetrating mounting holes 121 also are inserted in the resonatron 111, change the radio frequency parameter of cavity body filter 10 by the fine position of tuning plug 15 relative resonatrons 111.
In research and practice process to prior art, inventor of the present utility model finds, in the prior art, because the particular electrical requirement of cavity body filter, the one side of the contiguous cavity of aluminum alloy materials cover plate must be electroplated one deck fine copper and (generally do not adopted single pure copper material as cover plate, because material cost is too high), because electro-coppering need be done a large amount of pre-process and rearmounted the processing to the aluminum alloy materials cover plate, its technological process is loaded down with trivial details, and need to drop into a large amount of equipment cost and human cost, cause production cost too high.
[summary of the invention]
Loaded down with trivial details and cause production cost to cross problems such as height in order to solve in the prior art aluminum alloy materials cover plate electro-coppering flow process, the utility model embodiment provides a kind of cover plate of new structure to solve the problems referred to above.
The utility model embodiment solves the problems of the technologies described above the technical scheme of being taked and provides a kind of cavity body filter, this cavity body filter comprises cavity, cover plate and tuning plug, this this cavity of cover plate capping is to form resonant cavity, and this tuning plug is inserted in this resonant cavity.Wherein, this cover plate comprises first plate of contiguous resonant cavity and is located at second plate on this first plate that this first plate is used to satisfy the requirement on electric performance in cavity body filter interior resonance chamber.
The utility model embodiment also provides a kind of communication equipment, and it comprises above-mentioned cavity body filter, and this cavity body filter is located at the transceiver circuit part of this communication equipment, is used for signal is selected.
The utility model embodiment also provides a kind of cover plate, is used to be installed in cavity body filter.Wherein, this cover plate comprises first plate of contiguous resonant cavity and is located at second plate on this first plate that this first plate is used to satisfy the requirement on electric performance in cavity body filter interior resonance chamber.
Compared with prior art, the cover plate of the utility model embodiment adopts the two-layer equation design, not only can guarantee the requirement on electric performance in cavity body filter interior resonance chamber, and simplify the work flow of cover plate greatly, has reduced production cost.Adopt above-mentioned cover plate can reduce the production cost of communication equipment and cavity body filter thereof to a great extent.
[description of drawings]
In order to be illustrated more clearly in the technical scheme among the utility model embodiment, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings;
Fig. 1 has shown the schematic cross-section of a kind of cavity body filter in the prior art and cover plate thereof; And
Fig. 2 has shown according to the cavity body filter of the utility model one preferred embodiment and the schematic cross-section of cover plate thereof.
[embodiment]
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is a part of embodiment of the present utility model, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
An embodiment of the present utility model provides a kind of cover plate, and this cover plate is used for cavity body filter, and as shown in Figure 2, cover plate 22 comprises first plate 221 and second plate 222.These first plate, 221 contiguous resonant cavitys 212, be used to satisfy the requirement on electric performance in cavity body filter interior resonance chamber, this second plate 222 be located on this first plate 221 (orientation word herein " and on " be defined as the outside of cover plate, also be the top in the view shown in Fig. 2), the cover plate of the utility model embodiment adopts the two-layer equation design, avoided adopting complicated loaded down with trivial details electroplating processes, not only can guarantee the requirement on electric performance in cavity body filter interior resonance chamber, and simplified the work flow of cover plate greatly, reduced production cost.
Another embodiment of the present utility model provides a kind of cavity body filter, and described cavity body filter comprises:
Cavity; And cover plate, the described cavity of described cover plate capping is to form resonant cavity; Described cover plate comprises first plate of contiguous resonant cavity and is located at second plate on described first plate that described first plate is used to satisfy the requirement on electric performance in cavity body filter interior resonance chamber.
See also Fig. 2, Fig. 2 has shown according to the cavity body filter of the utility model one preferred embodiment and the schematic cross-section of cover plate thereof.
As shown in Figure 2, the cavity body filter 20 of the utility model embodiment comprises conventional components such as cavity 21, cover plate 22, pad 23, nut 24, tuning plug 25 and screw 26.Certainly, the cavity body filter of the utility model embodiment also comprises various other conventional components or structure, herein, present embodiment is only to being described with present embodiment inventive point relevant portion, concrete parts or structure, can not constitute restriction of the present utility model with reference to the suitable increase and decrease of existing conventional implementation.
In one embodiment, first plate 221 and second plate 222 can engage by welding manner, for example can adopt the mode of explosive welding to engage, further carrying out hot rolling after the welding handles with cover plate 22 thinnings, cut also corresponding punching again and form the fritter that needs, be easy to realize large batch of production.
In another embodiment, first plate 221 and second plate 222 can adopt polymer binder bonding next compound, its bonding strength is better, by with large-area first plate 221 and second plate, 222 bonding joints, cut also corresponding punching again and form the fritter that needs, be easy to realize large batch of production.
In addition, the middle part of cover plate 22 is provided with installing hole 223, and the edge of cover plate 22 is provided with the through hole 224 with a plurality of fixing hole 213 couplings.This cover plate 22 is assemblied on the cavity 21 by screw 26, and certainly, cover plate 22 also can engage cover plate 22 by laser welding with cavity 21.Installing hole 121 tops further are provided with pad 23 and nut 24, and tuning plug 25 penetrating mounting holes 223 are inserted in the resonatron 211, change the radio frequency parameter of cavity body filter 20 by the fine position of tuning plug 25 relative resonatrons 211.
Need to prove that in order to narrate conveniently, only shown a resonant cavity among the figure in this article, the cavity body filter in the practical application may comprise a plurality of resonant cavitys.Cavity body filter carries out work by the coupling each other of a plurality of resonant cavitys, and this capping can realize electromagnetic shielding, prevents leakage signal.Because resonant cavity is a plurality of, so the quantity of cover plate can be a lot.The cover plate of the utility model embodiment adopts the two-layer equation design, not only can guarantee the requirement on electric performance in cavity body filter interior resonance chamber, and simplify the work flow of cover plate greatly, has reduced production cost.To comprise that the cavity body filter of above-mentioned cover plate is applied to the transceiver circuit part of communication equipment, can reduce the production cost of communication equipment and cavity body filter thereof to a great extent.
In the above-described embodiments, only the utility model has been carried out exemplary description, but those skilled in the art can carry out various modifications to the utility model after reading present patent application under the situation that does not break away from spirit and scope of the present utility model.
Claims (9)
1. cavity body filter, described cavity body filter comprises:
Cavity; And
Cover plate, the described cavity of described cover plate capping is to form resonant cavity;
It is characterized in that described cover plate comprises first plate of contiguous resonant cavity and be located at second plate on described first plate that described first plate is used to satisfy the requirement on electric performance in cavity body filter interior resonance chamber.
2. cavity body filter according to claim 1 is characterized in that, described first plate and described second plate adopt and be welded to connect.
3. cavity body filter according to claim 2 is characterized in that, further carries out hot rolling and handle after described first plate and described second plate are welded to connect.
4. cavity body filter according to claim 1 is characterized in that, described first plate and described second plate adopt polymer binder bonding.
5. cavity body filter, described cavity body filter comprises:
Cavity; And
Cover plate, the described cavity of described cover plate capping is to form resonant cavity;
It is characterized in that, described cover plate comprise contiguous resonant cavity high conductivity first plate and be located at second plate on described first plate, described first plate is copper product or ag material.
6. a communication equipment is characterized in that, described communication equipment comprises that described cavity body filter is located at the transceiver circuit part of described communication equipment, is used for signal is selected according to each described cavity body filter among the claim 1-5.
7. cover plate, be used to be installed in cavity body filter, it is characterized in that described cover plate comprises first plate of contiguous resonant cavity and be located at second plate on described first plate that described first plate is used to satisfy the requirement on electric performance in cavity body filter interior resonance chamber.
8. cover plate according to claim 7 is characterized in that, described first plate and described second plate adopt and be welded to connect and further carry out the hot rolling processing after described first plate and described second plate are welded to connect.
9. cover plate according to claim 7 is characterized in that, described first plate and described second plate adopt polymer binder bonding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205030034U CN201853789U (en) | 2010-08-24 | 2010-08-24 | Communication equipment, cavity filter and cover plate of cavity filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205030034U CN201853789U (en) | 2010-08-24 | 2010-08-24 | Communication equipment, cavity filter and cover plate of cavity filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201853789U true CN201853789U (en) | 2011-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205030034U Expired - Fee Related CN201853789U (en) | 2010-08-24 | 2010-08-24 | Communication equipment, cavity filter and cover plate of cavity filter |
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| Country | Link |
|---|---|
| CN (1) | CN201853789U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102306858A (en) * | 2011-06-23 | 2012-01-04 | 成都赛纳赛德科技有限公司 | Low pass filter with cross coupling |
-
2010
- 2010-08-24 CN CN2010205030034U patent/CN201853789U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102306858A (en) * | 2011-06-23 | 2012-01-04 | 成都赛纳赛德科技有限公司 | Low pass filter with cross coupling |
| CN102306858B (en) * | 2011-06-23 | 2013-11-06 | 成都赛纳赛德科技有限公司 | Low pass filter with cross coupling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110601 Termination date: 20160824 |