CN208174649U - A kind of operating office LC low-pass filter - Google Patents
A kind of operating office LC low-pass filter Download PDFInfo
- Publication number
- CN208174649U CN208174649U CN201821490885.8U CN201821490885U CN208174649U CN 208174649 U CN208174649 U CN 208174649U CN 201821490885 U CN201821490885 U CN 201821490885U CN 208174649 U CN208174649 U CN 208174649U
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- China
- Prior art keywords
- cavity body
- filter
- body filter
- shank
- low
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Abstract
The utility model discloses a kind of operating office LC low-pass filters,Including shell,The inner wall bottom of the shell is fixedly installed with the second cavity body filter,The first cavity body filter is provided with above second cavity body filter,First cavity body filter and the second cavity body filter are fixedly mounted by mounting device,Thermal component is provided on the upper surface of first cavity body filter,The utility model is a kind of operating office LC low-pass filter,By the way that cooling fin is arranged,Shank and spring etc.,Reach and has been convenient for changing conductive rubber,Improve water proof and dust proof,Reinforce the effect of filter sound insulation and heat-sinking capability,Solves aging after liquid conductive rubber uses for a long time,It needs to replace it,Wavenumber filter is all fixed by bolts mostly at present,Disassembly installation is more troublesome,And in the filter course of work,Heat dissipation capacity is big,Noise can be led to the problem of.
Description
Technical field
The utility model relates to low-pass filter technical field, specially a kind of operating office LC low-pass filter.
Background technique
Filter is a kind of by the useful signal RF device for passing through, decaying as far as possible to garbage signal as undamped as possible
Part, the general signal transmitting and receiving device or circuit part for being set to communication equipment, to realize the selection index system of communication device signal.
Operating office is usually to be collectively constituted by two cavity body filters with LC low-pass filter, generallys use liquid at present and leads
Electric rubber is applied in the cooperation contact face of two cavity body filters, prevents water and dust from entering in filter, when liquid is led
Electric rubber uses rear aging for a long time, needs to replace it, and wavenumber filter is all fixed by bolts mostly at present, dismantles
Installation is more troublesome, and in the filter course of work, heat dissipation capacity is big, can generate noise.
Summary of the invention
The purpose of this utility model is to provide a kind of operating office LC low-pass filters, to solve in above-mentioned background technique
The problem of proposition.
To achieve the above object, the utility model provides the following technical solutions：
A kind of operating office LC low-pass filter, including shell, the inner wall bottom of the shell are fixedly installed with the second chamber
Fluid filter is provided with the first cavity body filter, first cavity body filter and above second cavity body filter
Two cavity body filters are fixedly mounted by mounting device, are provided with thermal component on the upper surface of first cavity body filter.
Preferably, the mounting device includes the first fixed block, and first fixed block is fixedly mounted on the filter of the first cavity
The left and right sides end face lower section of wave device, it is fixed that the left and right sides end face upper section of second cavity body filter is fixedly installed with second
Block is fixedly connected with grafting block on the lower end surface of first fixed block, and second upper end of fixing block face corresponds to grafting block position
The place of setting offers inserting groove, and the lower end of the grafting block is plugged on the inside of inserting groove, is provided on the outside of the inserting groove solid
Determine component.
Preferably, the fixation member includes shank, opened up in the end face outside of the grafting block it is fluted, it is described insert
One end of extension bar is plugged on the inside of groove, and the other end of the shank through the second fixed block and extends to the second fixed block
Outside, the other end of the shank is fixedly connected with button, opens at corresponding shank position inside second fixed block
Equipped with shifting chute, the shifting chute is internally provided with baffle, and the baffle is fixedly attached on shank, the back of the baffle
It is fixedly connected between face and shifting chute by spring, the spring is socketed on shank.
Preferably, the thermal component includes heat-conducting block, and the heat-conducting block is fixedly mounted on the upper of the first cavity body filter
On end face, several equally distributed cooling fins, the top of the cooling fin are fixedly installed on the upper surface of the heat-conducting block
Through shell upper end side wall and extend to the top of shell.
Preferably, the inside of the shell is fixedly installed with abatvoix, and the quantity of the abatvoix is several, the suction
Soundboard is uniformly circumferentially positioned on the inner wall side end face of shell.
Preferably, the junction of first cavity body filter and the second cavity body filter forms cavity, in the cavity
Portion is provided with conductive rubber.
Compared with prior art, the utility model has the beneficial effects that：A kind of operating office LC low-pass filter, by leading
Heat block conducts the heat that filter generates, and distributes by cooling fin external, and cooling fin increases heat dissipation area, improves
Heat dissipation performance in abatvoix setting on the inner wall of the housing, reduces the noise generated when filter work, passing through mounting device will
First cavity body filter is fixed with the second cavity body filter, and internal conductive rubber plays the role of dustproof and waterproof, by grafting
Block is plugged on inside inserting groove, pulls out shank, spring contraction, when the complete grafting of grafting block enters inserting groove by button
When, release button, spring reset drives shank grafting to enter inside grooves, is fixed, installation can be completed, facilitate
The replacement maintenance work of the installation and removal and conductive rubber of first cavity body filter and the second cavity body filter.The utility model
Reach by setting cooling fin, shank and spring etc. for a kind of operating office LC low-pass filter and be convenient for changing conductive rubber
Glue improves water proof and dust proof, reinforces the effect of filter sound insulation and heat-sinking capability, solves when liquid conductive rubber uses for a long time
Aging afterwards needs to replace it, and wavenumber filter is all fixed by bolts mostly at present, and disassembly installation is more troublesome, and
In the filter course of work, heat dissipation capacity is big, can lead to the problem of noise.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of operating office LC low-pass filter；
Fig. 2 is a kind of structure chart of operating office in LC low-pass filter at mounting device.
In figure：1- shell, the first cavity body filter of 2-, the second cavity body filter of 3-, 4- mounting device, 5- heat-conducting block, 6-
Cooling fin, 7- abatvoix, 8- conductive rubber, the first fixed block of 9-, the second fixed block of 10-, 11- grafting block, 12- inserting groove, 13-
Groove, 14- shank, 15- button, 16- baffle, 17- shifting chute, 18- spring.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1~2 are please referred to, the utility model provides a kind of technical solution：A kind of operating office LC low-pass filter, including
Shell 1, the inner wall bottom of the shell 1 are fixedly installed with the second cavity body filter 3, the top of second cavity body filter 3
The first cavity body filter 2, first cavity body filter 2 and the second cavity body filter 3 is provided with to pacify by the way that mounting device 4 is fixed
It fills, is provided with thermal component on the upper surface of first cavity body filter 2.
The mounting device 4 includes the first fixed block 9, and first fixed block 9 is fixedly mounted on the first cavity body filter 2
Left and right sides end face lower section, the left and right sides end face upper section of second cavity body filter 3 is fixedly installed with the second fixed block
10, grafting block 11 is fixedly connected on the lower end surface of first fixed block 9, and 10 upper surface of the second fixed block corresponds to grafting
Inserting groove 12 is offered at 11 position of block, the lower end of the grafting block 11 is plugged on the inside of inserting groove 12, the inserting groove 12
Outside be provided with fixation member.
The fixation member includes shank 14, opens up fluted 13 in the end face outside of the grafting block 11, described to insert
One end of extension bar 14 is plugged on the inside of groove 13, and the other end of the shank 14 is through the second fixed block 10 and extends to the
The outside of two fixed blocks 10, the other end of the shank 14 are fixedly connected with button 15, and 10 inside of the second fixed block is right
It answers and offers shifting chute 17 at 14 position of shank, the shifting chute 17 is internally provided with baffle 16, and the baffle 16 is fixed
It is socketed on shank 14, the baffle 16 is fixedly connected away between face and shifting chute 17 by spring 18, the spring
18 are socketed on shank 14.
The thermal component includes heat-conducting block 5, and the heat-conducting block 5 is fixedly mounted on the upper surface of the first cavity body filter 2
On, several equally distributed cooling fins 6 are fixedly installed on the upper surface of the heat-conducting block 5, the top of the cooling fin 6 is passed through
It wears the upper end side wall of shell 1 and extends to the top of shell 1.
The inside of the shell 1 is fixedly installed with abatvoix 7, and the quantity of the abatvoix 7 is several, the abatvoix
7 are uniformly circumferentially positioned on the inner wall side end face of shell 1.
The junction of first cavity body filter 2 and the second cavity body filter 3 forms cavity, the inside cavity setting
There is conductive rubber 8.
The working principle of the utility model is：A kind of operating office LC low-pass filter, is produced filter by heat-conducting block 5
Raw heat is conducted, and is distributed by cooling fin 6 external, and cooling fin 6 increases heat dissipation area, improves heat dissipation performance,
Abatvoix 7 is arranged on 1 inner wall of shell, the noise that generates when reducing filter work, by mounting device 4 by the first cavity
Filter 2 and the second cavity body filter 3 are fixed, and internal conductive rubber 8 plays the role of dustproof and waterproof, grafting block 11 is inserted
It connects inside inserting groove 12, shank 14 is pulled out by button 15, spring 18 is shunk, when the complete grafting of grafting block 11 enters
When inserting groove 12, release button 15, spring 18 resets, and drives 14 grafting of shank to enter inside groove 13, is fixed
Installation is completed, the installation and removal of the first cavity body filter 2 and the second cavity body filter 3 and the replacement of conductive rubber 8 are facilitated
Maintenance work.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. a kind of operating office LC low-pass filter, including shell（1）, it is characterised in that：The shell（1）Inner wall bottom it is solid
Dingan County is equipped with the second cavity body filter（3）, second cavity body filter（3）Top be provided with the first cavity body filter（2）,
First cavity body filter（2）With the second cavity body filter（3）Pass through mounting device（4）It is fixedly mounted, first cavity
Filter（2）Upper surface on be provided with thermal component.
2. a kind of operating office LC low-pass filter according to claim 1, it is characterised in that：The mounting device（4）
Including the first fixed block（9）, first fixed block（9）It is fixedly mounted on the first cavity body filter（2）Left and right sides end face
Lower section, second cavity body filter（3）Left and right sides end face upper section be fixedly installed with the second fixed block（10）, described first
Fixed block（9）Lower end surface on be fixedly connected with grafting block（11）, second fixed block（10）Upper surface corresponds to grafting block
（11）Inserting groove is offered at position（12）, the grafting block（11）Lower end be plugged on inserting groove（12）Inside, it is described insert
Access slot（12）Outside be provided with fixation member.
3. a kind of operating office LC low-pass filter according to claim 2, it is characterised in that：The fixation member includes
Shank（14）, the grafting block（11）End face outside on open up it is fluted（13）, the shank（14）One end grafting
In groove（13）Inside, the shank（14）The other end run through the second fixed block（10）And extend to the second fixed block
（10）Outside, the shank（14）The other end be fixedly connected with button（15）, second fixed block（10）It is internal right
Answer shank（14）Shifting chute is offered at position（17）, the shifting chute（17）Be internally provided with baffle（16）, the gear
Plate（16）It is fixedly attached to shank（14）On, the baffle（16）Deviate from face and shifting chute（17）Between pass through spring（18）
It is fixedly connected, the spring（18）It is socketed in shank（14）On.
4. a kind of operating office LC low-pass filter according to claim 1, it is characterised in that：The thermal component includes
Heat-conducting block（5）, the heat-conducting block（5）It is fixedly mounted on the first cavity body filter（2）Upper surface on, the heat-conducting block（5）'s
Several equally distributed cooling fins are fixedly installed on upper surface（6）, the cooling fin（6）Top run through shell（1）'s
Upper end side wall simultaneously extends to shell（1）Top.
5. a kind of operating office LC low-pass filter according to claim 1, it is characterised in that：The shell（1）It is interior
Portion is fixedly installed with abatvoix（7）, the abatvoix（7）Quantity be several, the abatvoix（7）Uniformly it is circumferentially positioned at
Shell（1）Inner wall side end face on.
6. a kind of operating office LC low-pass filter according to claim 1, it is characterised in that：The first cavity filtering
Device（2）With the second cavity body filter（3）Junction form cavity, the inside cavity is provided with conductive rubber（8）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821490885.8U CN208174649U (en) | 2018-09-12 | 2018-09-12 | A kind of operating office LC low-pass filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821490885.8U CN208174649U (en) | 2018-09-12 | 2018-09-12 | A kind of operating office LC low-pass filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208174649U true CN208174649U (en) | 2018-11-30 |
Family
ID=64363687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821490885.8U Expired - Fee Related CN208174649U (en) | 2018-09-12 | 2018-09-12 | A kind of operating office LC low-pass filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208174649U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110911790A (en) * | 2019-12-10 | 2020-03-24 | 南京信波微波技术有限公司 | Cavity band-pass filter |
-
2018
- 2018-09-12 CN CN201821490885.8U patent/CN208174649U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110911790A (en) * | 2019-12-10 | 2020-03-24 | 南京信波微波技术有限公司 | Cavity band-pass filter |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181130 Termination date: 20210912 |
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| CF01 | Termination of patent right due to non-payment of annual fee |