CN202259616U - Filter cavity and cavity filter with radiation structure - Google Patents
Filter cavity and cavity filter with radiation structure Download PDFInfo
- Publication number
- CN202259616U CN202259616U CN 201120324798 CN201120324798U CN202259616U CN 202259616 U CN202259616 U CN 202259616U CN 201120324798 CN201120324798 CN 201120324798 CN 201120324798 U CN201120324798 U CN 201120324798U CN 202259616 U CN202259616 U CN 202259616U
- Authority
- CN
- China
- Prior art keywords
- filter cavity
- filter
- groove
- cavity
- radiator structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The utility model discloses a filter cavity with a radiation structure, which comprises a radiator shell and a filter cavity inserter. The radiator shell is provided with a groove used for holding the filter cavity inserter, and the filter cavity inserter is inserted into the groove. The utility model also discloses a cavity filter with the radiation structure, which comprises the filter cavity structure. The previous structural characteristic of integrated manufacture of the filter cavity is changed and the filter cavity is assembled in a split way; therefore, the production efficiency can be improved, and the recycling rate of the filter cavity is increased.
Description
Technical field
The utility model relates to the technology for radio frequency field, is specifically related to the filter cavity with radiator structure, the cavity body filter of band radiator structure.
Background technology
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 that communication system completion signal transmits and receives, filter is used to select signal of communication, clutter or interference signal that the filtering communication signal frequency is outer; And filter cavity has very important effect as the important component part of cavity body filter.
At present, in mobile communication base station system, the signal that generally uses cavity body filter to come antenna is transmitted and received carries out the frequency selection.Owing to there are reasons such as temperature drift in accurate requirement and filter itself that frequency is selected; Often need in the work to guarantee that the temperature in the cavity body filter can not be too high, and cavity body filter itself has certain operating power, therefore; In some radio frequency operation unit; (Radio Remote Unit RRU), often uses the cavity body filter of band radiator structure like Remote Radio Unit; The cavity body filter of band radiator structure for the needs that satisfy cavity body filter itself and dispel the heat with the equipment of radiating shell and being made of one of cavity body filter; Way before very early is: cavity body filter is screwed on a heating panel, and this way can the simple realization heating panel and the combining of cavity body filter, but owing to there are the air gap in cavity body filter in this connected mode and heating panel; Make heat-transfer effect unsatisfactory, do not reach radiating effect basically.Therefore; Present existing way is: with cavity body filter and radiating shell with disposable machining of metal material; For example adopt numerical control machining center (CNC) a bulk of aluminium ingot to be processed into the cavity body filter of band radiator structure; Perhaps adopt extrusion process with filter segment and radiator portion one die cast, form the cavity body filter of band radiator structure.Be illustrated in figure 1 as the structural representation of the cavity body filter of band radiator structure of the prior art; As can be seen from the figure; The filter segment 101 of the cavity body filter of existing band radiator structure is gapless integral structure with the radiator portion 102 of incorporating chamber fluid filter; Radiator portion 102 has the metal fin 103 that increases radiating effect, and said radiator portion is radiating shell.
And in research and practice process to prior art; The inventor of the utility model finds; Adopt numerical control machining center that a bulk of metal material processing is become the man-hour that the cavity body filter of band radiator structure can overspending, especially to the processing of the metal fin of radiator portion, not only difficulty of processing is big but also can increase waste of material; At present, adopt numerical control machining center to being about 40 hours the process time of the cavity body filter of single band radiator structure.Adopt extrusion process filter segment and radiating shell one die cast can be avoided the waste of material; But owing to the mould of the filter segment cavity isolation bar that need make the cavity body filter of being with radiator structure is comparatively complicated; Generally need the making of 5 days these moulds of ability completion; And extrusion process can not satisfy filter segment needs smooth surface, the accurate requirement of structure; If the cavity body filter of the band radiator structure of die cast is further processed with numerical control machining center, owing to subsidiaryly radiator structure is arranged and body is bigger, therefore processing is got up not easy to operate; Adopt extrusion process need overcome long problem of Mold Making time, also will overcome the problem of the filter cavity rustic of die casting.
Therefore, be badly in need of the filter cavity that filter cavity well-formed's requirement is satisfied in a kind of requirement that can satisfy machining period simultaneously again at present.
Summary of the invention
In order to address the above problem; The utility model embodiment provides a kind of filter cavity with radiator structure; Comprise radiating shell and filter cavity inserts, said radiating shell has the groove that is used to hold said filter cavity inserts, and said filter cavity inserts embeds in the said groove.
Preferably, said groove inwall has convexity, and said filter cavity inserts lateral wall has the depression that is complementary with said convexity.
Preferably, said groove floor has convexity, and said filter cavity inserts outside, bottom surface has depression, and said convexity and said depression are complementary.
Preferably, said groove floor has depression, and said filter cavity inserts outside, bottom surface has convexity, and said depression and said convexity are complementary.
Preferably, said filter cavity inserts passes through screw in the groove of said radiating shell.
Preferably, said filter cavity inserts is welded in the groove of said radiating shell.
Compare the filter cavity of existing band radiator structure; The filter cavity of the band radiator structure that the utility model embodiment provides splits filter cavity body portion and radiator portion; Form filter cavity inserts and radiating shell; Therefore in the process of manufacturing, can take filter cavity inserts and radiating shell split processing; And can not stick to one processing mode in the prior art; Avoided the filter cavity of integral heat dissipation structure in the prior art to manufacture problems such as many, waste of material of time spent; And the filter cavity inserts of the filter cavity of the band radiator structure of this minute body structure providing of the utility model embodiment embeds in the said groove, and easy accessibility can in time be changed the filter cavity inserts after filter cavity is partially damaged; Integrated filter cavity of the prior art then can only be with whole filter cavity discarded, so the filter cavity of the band radiator structure that provides of the utility model embodiment is at the filter cavity that all is superior to existing band radiator structure aspect useful life and the recycling.
The utility model embodiment also provides a kind of cavity body filter that has radiator structure; The filter cavity that comprises cover plate, resonant rod and band radiator structure; The filter cavity of said band radiator structure comprises radiating shell and filter cavity inserts; Said radiating shell has the groove that is used to hold said filter cavity inserts, and said filter cavity inserts embeds in the said groove.
The cavity body filter that has radiator structure among the utility model embodiment has comprised the filter cavity of above-mentioned band radiator structure, compares with the cavity body filter of existing band radiator structure to have the advantage of manufacturing efficient height, long service life, cavity reusable edible.
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; Obviously, the accompanying drawing in describing below only is some embodiment of the 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 is the structural representation of the filter cavity of band radiator structure in the prior art;
Fig. 2 is the structural representation of the filter cavity of band radiator structure among the utility model embodiment 1;
Fig. 3 is the cutaway view of the filter cavity of band radiator structure among the utility model embodiment 1;
Fig. 4 is the cutaway view of the filter cavity of band radiator structure among the utility model embodiment 2;
Fig. 5 is the enlarged diagram of I portion among the utility model embodiment 2.
Embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, 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.
Embodiment 1: the utility model embodiment provides a kind of filtering cavity with radiator structure; As shown in Figures 2 and 3; Comprise radiating shell 201 and filter cavity inserts 202; Said radiating shell has the groove 203 that is used to hold said filter cavity inserts, and said filter cavity inserts 202 embeds in the said groove 203.The profile of the shape of said groove 203 and said filter cavity inserts 202 is complementary and embeds in the said groove 203 to satisfy said filter cavity inserts 202.The groove of filter cavity inserts and said radiating shell is fixed together with the mode of interference fit described in the utility model embodiment; Therefore the profile of the groove of said radiating shell can not be greater than the profile of said filter cavity inserts; Profile described herein is the part that said filter cavity inserts contacts with the notch of said groove; Can calculate with girth, if the profile girth of said groove is greater than the profile girth of said filter cavity inserts then can't realize the fixed form of interference fit.
Particularly; As shown in Figure 3; Said groove 203 inwalls have convexity 2031, and said filter cavity inserts 202 lateral walls have the depression 2021 that is complementary with said protruding 2031, and said convexity is unsuitable too high; Be installed in the depression otherwise can influence convexity, protruding altitude range is 1mm～4mm described in concrete the application.Protruding 2031 is arc described in the utility model embodiment; Therefore said depression 2021 also is the arc that is complementary with it; Understandable said convexity can also be semicircle or trapezoidal; This convex top plays the effect that is similar to chamfering less than the bottom, when said filter cavity inserts 202 is installed on said groove 203; Said filter cavity inserts 202 is pressed in the said groove 203; Said protruding 2031 just can embed in the said depression 2021, can prevent effectively that filter cavity inserts 202 from detaching the groove 203 of said radiating shell 201 or in groove 203, move up and down, and can make said groove 203 well secure the above filter cavity inserts 202.
Certainly, also can depression be set at said groove 203 inwalls, the convexity in that the lateral wall setting and the depression on said groove 203 inwalls of said filter cavity inserts 202 is complementary can reach above-mentioned fixed effect equally.
As a kind of improved procedure of the utility model embodiment, said groove 203 bottom surfaces have convexity 2031, and said filter cavity inserts 202 outside, bottom surface have depression 2021, said protruding 2031 and are complementary with said depression 2021.It is understandable that; In the improved procedure of the utility model embodiment; Said convexity can be cylinder or tetragonal body or other polyhedral structures; Said depression is the shape for being complementary with this convexity too, protrudingly can prevent that said filter cavity inserts 202 from moving horizontally in said groove 203, the quick location of two parts in the time of can also conveniently installing with depression because be provided with respectively in said groove 203 bottom surfaces and said filter cavity inserts 202 bottom surfaces; Certainly, said groove 203 bottom surfaces have depression, and said filter cavity inserts 202 outside, bottom surface have convexity, and said convexity and said depression are complementary, and have same effect.
Embodiment 2: as shown in Figure 4; In the foregoing description 1: said filter cavity inserts 202 embeds in the said groove 203; Adopt the mode of interference fit that the groove 203 of filter cavity inserts 202 with said radiating shell 201 is fixed together; Improved procedure among the utility model embodiment is that said filter cavity inserts 202 is fixed in the groove 203 of said radiating shell 201 through screw 204.Said filter cavity inserts 202 is at cavity wall 2022 arranged outside boss 2023; Said boss 2023 has screwed hole; Have on the said radiating shell 201 with said filter cavity inserts 202 on the corresponding screwed hole of screwed hole, said screw is fixed together said filter cavity inserts 202 through said screwed hole and screwed hole with said radiating shell 201.
That adopts that the mode of screw can guarantee that said radiating shell and said filter cavity inserts can be more firm is fixed together and the problem avoiding relatively moving.
As a kind of improved procedure of the utility model embodiment, said filter cavity inserts 202 can also be welded in the groove 202 of said radiating shell 201.Mode with respect to screw has the advantage that does not need screwed hole; Adopt common welding manner just can filter cavity inserts 202 be welded in the groove 203 of radiating shell 201; If adopt the mode of laser welding, form solder joint in the inside bottom surface of the bottom surface of filter cavity inserts 202 and the groove 203 of radiating shell 201 and realize further fixing.
Embodiment 3: the utility model embodiment provides a kind of cavity body filter that has radiator structure; The filter cavity that comprises cover plate, resonant rod and band radiator structure; The filter cavity of said band radiator structure comprises radiating shell and filter cavity inserts; Said radiating shell has the groove that is used to hold said filter cavity inserts, and said filter cavity inserts embeds in the said groove.Said resonant rod is installed in the said filter cavity, and said cover plate is installed on the said filter cavity, closes said filter cavity.
The structure of the filter cavity of included band radiator structure and principle can repeat no more referring to the description of the foregoing description 1 and embodiment 2 here among the utility model embodiment.
The filter cavity that the cavity body filter that has radiator structure among the utility model embodiment adopts has the characteristics of partial installation; Convenient processing; Improved the production efficiency of whole filter; And the filtering cavity is divided into radiating shell and filter cavity inserts, in case but damage takes place for filter cavity inserts or radiating shell can change the recycling rate of waterused that has improved whole filter to corresponding component.
Used concrete example among this paper the principle and the execution mode of the utility model are set forth, the explanation of above embodiment just is used to help to understand the core concept of the utility model; Simultaneously, for one of ordinary skill in the art, according to the thought of the utility model, the part that on embodiment and range of application, all can change, in sum, this description should not be construed as the restriction to the utility model.
Claims (7)
1. be with the filter cavity of radiator structure, it is characterized in that: comprise radiating shell and filter cavity inserts, said radiating shell has the groove that is used to hold said filter cavity inserts, and said filter cavity inserts embeds in the said groove.
2. the filter cavity of band radiator structure as claimed in claim 1 is characterized in that: said groove inwall has convexity, and said filter cavity inserts lateral wall has the depression that is complementary with said convexity.
3. according to claim 1 or claim 2 the filter cavity of band radiator structure, it is characterized in that: said groove floor has convexity, and said filter cavity inserts outside, bottom surface has depression, and said convexity and said depression are complementary.
4. according to claim 1 or claim 2 the filter cavity of band radiator structure, it is characterized in that: said groove floor has depression, and said filter cavity inserts outside, bottom surface has convexity, and said depression and said convexity are complementary.
5. according to claim 1 or claim 2 the filter cavity of band radiator structure is characterized in that: said filter cavity inserts through screw in the groove of said radiating shell.
6. according to claim 1 or claim 2 the filter cavity of band radiator structure, it is characterized in that: said filter cavity inserts is welded in the groove of said radiating shell.
7. the cavity body filter that has radiator structure; It is characterized in that: the filter cavity that comprises cover plate, resonant rod and band radiator structure; The filter cavity of said band radiator structure comprises radiating shell and filter cavity inserts; Said radiating shell has the groove that is used to hold said filter cavity inserts, and said filter cavity inserts embeds in the said groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120324798 CN202259616U (en) | 2011-08-31 | 2011-08-31 | Filter cavity and cavity filter with radiation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120324798 CN202259616U (en) | 2011-08-31 | 2011-08-31 | Filter cavity and cavity filter with radiation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202259616U true CN202259616U (en) | 2012-05-30 |
Family
ID=46120809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120324798 Expired - Lifetime CN202259616U (en) | 2011-08-31 | 2011-08-31 | Filter cavity and cavity filter with radiation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202259616U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105529513A (en) * | 2016-02-17 | 2016-04-27 | 苏州浦石精工科技有限公司 | Filter with heat radiation function |
| CN105552489A (en) * | 2016-02-17 | 2016-05-04 | 苏州浦石精工科技有限公司 | Filter shell body |
| CN107093784A (en) * | 2017-05-10 | 2017-08-25 | 上海汇珏网络通信设备有限公司 | A kind of new structure passive device |
-
2011
- 2011-08-31 CN CN 201120324798 patent/CN202259616U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105529513A (en) * | 2016-02-17 | 2016-04-27 | 苏州浦石精工科技有限公司 | Filter with heat radiation function |
| CN105552489A (en) * | 2016-02-17 | 2016-05-04 | 苏州浦石精工科技有限公司 | Filter shell body |
| CN105552489B (en) * | 2016-02-17 | 2019-01-04 | 苏州浦石精工科技有限公司 | A kind of casing of filter |
| CN105529513B (en) * | 2016-02-17 | 2019-01-04 | 苏州浦石精工科技有限公司 | A kind of filter with heat sinking function |
| CN107093784A (en) * | 2017-05-10 | 2017-08-25 | 上海汇珏网络通信设备有限公司 | A kind of new structure passive device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202259616U (en) | Filter cavity and cavity filter with radiation structure | |
| CN102361114B (en) | Filter cavity body, cavity body filter, manufacturing methods and die-casting mold | |
| CN207542066U (en) | A kind of dry transformer pouring mould tool | |
| CN102847880A (en) | Special material co-casting cast mold and special material co-casting cast production process | |
| CN204247909U (en) | Inserted chassis is used in a kind of directional solidification blade wax-pattern combination | |
| CN104353785B (en) | A kind of directional solidification blade wax-pattern combination inserted chassis and preparation method thereof | |
| CN202308237U (en) | Medium filter and communication radio frequency device | |
| CN202308236U (en) | Filter cavity, cavity filer and die casting mould | |
| EP3002070B1 (en) | Casting of engine parts | |
| CN203128400U (en) | Glass forming die | |
| CN103945289A (en) | Structure for embedding steel disc in loudspeaker module shell through injection molding | |
| CN202715777U (en) | Exothermic riser neck structure of casting | |
| CN201833460U (en) | Device for manufacturing casting mold of fused zirconium alumina hanging wall tiles | |
| CN110976636B (en) | Lower angle arm forming die for antenna installation and forming method | |
| CN201364954Y (en) | Base station antenna wideband vibrator | |
| CN203788590U (en) | Split-type shell of servo driver | |
| US11358212B2 (en) | Riser sleeve, method for producing a riser body for the riser sleeve as well as an expander element and core box for producing a riser body | |
| CN211161774U (en) | Ring blank and mold thereof | |
| CN107570679A (en) | A kind of antenna holder hinge die casting | |
| CN203155986U (en) | Buffering type aluminum die-casting die | |
| CN102896230A (en) | Terrace die mounting structure on cold stamping die | |
| CN202090522U (en) | Reinforcing bar protective layer cushion block for building | |
| CN210587574U (en) | Detachable welding ring forming die | |
| CN204711094U (en) | Metallic Casting Die & Mold | |
| CN104118078A (en) | Tyre making mould and preparation method and application thereof in preparation of tyre |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120530 |