CN215070346U

CN215070346U - Low intermodulation waveguide filter

Info

Publication number: CN215070346U
Application number: CN202120742559.7U
Authority: CN
Inventors: 刘银银
Original assignee: Nanjing Hmc System Co ltd
Current assignee: Nanjing Hmc System Co ltd
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2021-12-07
Anticipated expiration: 2031-04-13

Abstract

The utility model discloses a low intermodulation waveguide filter, include: a support mechanism, an impedance mechanism; the impedance mechanism is fixedly arranged on the side surface of the supporting mechanism; the supporting mechanism is fixedly arranged in a designated area through screws, stably supports the impedance mechanism, absorbs the heat of the impedance mechanism and reduces the load of the impedance mechanism; the utility model discloses a supporting mechanism, run through the screw, make the mounting panel fixed at the appointed region, thereby the mounting panel, fin and connecting rod three can stably support the casing, heat conduction on the iron core is to the connecting rod, heat on the connecting rod is scattered and disappeared through the fin, the function of conveniently reducing the wave filter temperature has been realized, avoid the wave filter because of the high ageing damage of temperature, the fin separates casing and electrically conductive object simultaneously, the function of avoiding the scattered and disappearing of signal of telecommunication in the casing has been realized, very big improvement the practicality.

Description

Low intermodulation waveguide filter

Technical Field

The utility model relates to a waveguide filter technical field specifically is a low intermodulation waveguide filter.

Background

The power filter is a filter circuit consisting of a capacitor, an inductor and a resistor. The filter can effectively filter the frequency point of the specific frequency in the power line or the frequencies except the frequency point to obtain a power supply signal of the specific frequency or eliminate the power supply signal after the specific frequency, so that the low intermodulation waveguide filter is very necessary.

However, the existing low intermodulation waveguide filter often adopts a housing with a chamfer to reduce the current density, which is inconvenient to reduce the temperature of the filter, and easily causes the filter to have too high load, thus causing aging deformation of the filter.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a low intermodulation waveguide filter to the current low intermodulation waveguide filter who proposes in solving above-mentioned background art often adopts the casing that has the chamfer to reduce the density of current, and the temperature of inconvenient reduction filter causes the filter load too high easily, arouses the problem of the ageing deformation of filter.

In order to achieve the above object, the utility model provides a following technical scheme: the method comprises the following steps: a support mechanism, an impedance mechanism;

the impedance mechanism is fixedly arranged on the side surface of the supporting mechanism;

the supporting mechanism is fixedly installed in a designated area through screws, stably supports the impedance mechanism, absorbs heat of the impedance mechanism, reduces load of the impedance mechanism, separates the filter from a metal material, prevents electric signals from being dissipated, absorbs interference signals and converts the interference signals into heat, and improves waveguide efficiency.

Further, in order to facilitate the mounting plate to support the housing, the support mechanism includes: mounting panel, screw, fin, mount, connecting rod, the screw is seted up the top of mounting panel, the fin fixed mounting be in the top of mounting panel, mount fixed mounting be in the side of fin, connecting rod fixed mounting be in the side of fin inner wall.

Further, in order to facilitate the heat sink to absorb the heat of the shell, a gap is left between the heat sinks, the number of the fixing frames is two, the connecting rods are parallel to the mounting plate, and the heat sinks and the connecting rods are made of ceramic materials.

Further, in order to facilitate the reduction of the current density of the housing, the impedance mechanism includes: casing, iron core, coil, through-hole, the side fixed connection of casing in the connecting rod, the both ends of iron core with the equal fixed connection in both ends of coil in the casing, the through-hole is seted up the side of casing.

Further, for the convenience of the iron core absorbs interference signals, the shell body the iron core and the coil are of a spiral structure, the connecting rod penetrates through the iron core and the through hole, and the iron core is made of ferrite materials.

Further, in order to facilitate the live wire terminal to introduce a high-frequency interference current into the neutral wire terminal, the live wire terminal further includes: the hot wire terminal, zero line terminal, electric capacity subassembly, the hot wire terminal with the equal fixed mounting of zero line terminal is in the both ends of casing, electric capacity subassembly fixed mounting be in the inner wall of casing.

Further, in order to facilitate the capacitor to store the electric signal, the live wire terminal and the zero line terminal are both fixedly connected to the coil, and the input terminal and the output terminal of the capacitor assembly are both electrically coupled to the coil.

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

(1) the utility model discloses a supporting mechanism, run through the screw, make the mounting panel fixed at the appointed region, thereby the mounting panel, fin and connecting rod three can stably support the casing, heat conduction on the iron core is to the connecting rod, heat on the connecting rod is scattered and disappeared through the fin, the function of conveniently reducing the wave filter temperature has been realized, avoid the wave filter because of the high ageing damage of temperature, the fin separates casing and electrically conductive object simultaneously, the function of avoiding the scattered and disappearing of signal of telecommunication in the casing has been realized, very big improvement the practicality.

(2) The utility model discloses an impedance mechanism is provided, the staff passes through both input current of live wire terminal and zero line terminal, the electric current storage is in the electric capacity subassembly, the flow through coil, the casing simultaneously, edges and corners is less on iron core and the coil three, make electric current evenly distributed, the function of reduced current density has been realized, make the iron core absorb the interference signal absorption of certain frequency channel, and change into heat conduction for the connecting rod, thereby give the zero line terminal with the high-frequency interference current transmission of live wire terminal, the function of high-efficient filtration electric wave has been realized, very big improvement the practicality.

Drawings

Fig. 1 is a schematic front view of an embodiment of the present invention;

FIG. 2 is a top view of the embodiment of FIG. 1;

FIG. 3 is a front view of the housing in the embodiment of FIG. 1;

fig. 4 is a partial cross-sectional view of the embodiment of fig. 1.

Reference numerals: 1. a support mechanism; 101. mounting a plate; 102. a screw hole; 103. a heat sink; 104. a fixed mount; 105. a connecting rod; 2. an impedance mechanism; 201. a housing; 202. an iron core; 203. a coil; 204. a through hole; 3. a fire wire terminal; 4. a zero line terminal; 5. a capacitive component.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, fig. 1 is a schematic front view of an embodiment of the present invention; FIG. 2 is a top view of the embodiment of FIG. 1; FIG. 3 is a front view of the housing in the embodiment of FIG. 1; FIG. 4 is a partial cross-sectional view of the embodiment of FIG. 1, including: a support mechanism 1, an impedance mechanism 2; impedance mechanism 2 fixed mounting is in the side of supporting mechanism 1, and supporting mechanism 1 includes: mounting plate 101, screw 102, fin 103, mount 104, connecting rod 105, screw 102 sets up at the top of mounting plate 101, and the staff passes through screw 102 through the screw through, makes mounting plate 101 fixed in the appointed area, and impedance mechanism 2 includes: the case 201, the core 202, the coil 203, the through hole 204, and the side surface of the case 201 are fixedly connected to the connection rod 105, so that the case 201 can be stably supported by the three of the mounting plate 101, the heat sink 103, and the connection rod 105.

On heat conduction on the iron core 202 was to connecting rod 105, fin 103 fixed mounting was at the top of mounting panel 101, heat on the connecting rod 105 is lost through fin 103, the function of conveniently reducing the wave filter temperature has been realized, avoid the wave filter because of the high temperature ageing damage, mount 104 fixed mounting is in the side of fin 103, leave the space between the fin 103, connecting rod 105 fixed mounting is in the side of fin 103 inner wall, the quantity of mount 104 is two, connecting rod 105 is on a parallel with mounting panel 101, fin 103 and connecting rod 105 are ceramic, fin 103 separates casing 201 and electrically conductive object simultaneously, the function of avoiding the scattered and small of the signal of telecommunication in the casing 201 has been realized.

Both ends of iron core 202 and both ends of coil 203 are all fixed connection in casing 201, still include: the hot wire terminal 3, the zero line terminal 4, the capacitor assembly 5, the hot wire terminal 3 and the zero line terminal 4 are all fixedly installed at two ends of the casing 201, a worker inputs current through the hot wire terminal 3 and the zero line terminal 4, the capacitor assembly 5 is fixedly installed on the inner wall of the casing 201, the current is stored in the capacitor assembly 5, the hot wire terminal 3 and the zero line terminal 4 are both fixedly connected to the coil 203 and flow through the coil 203, the input terminal and the output terminal of the capacitor assembly 5 are both electrically coupled to the coil 203, the through hole 204 is formed in the side surface of the casing 201, the iron core 202 and the coil 203 are all of a spiral structure, meanwhile, edges and corners of the casing 201, the iron core 202 and the coil 203 are few, so that the current is uniformly distributed, the function of reducing the current density is realized, the connecting rod 105 penetrates through the iron core 202 and the through hole 204, the iron core 202 is made of ferrite, so that the iron core 202 absorbs interference signals in a certain frequency band, and converted into heat to be conducted to the connecting rod 105, so that the high-frequency interference current of the live wire terminal 3 is transmitted to the null wire terminal 4, and the function of efficiently filtering electric waves is realized.

To sum up, the utility model provides a pair of low intermodulation waveguide filter, when using, the staff passes through screw 102 through the screw for mounting panel 101 is fixed at the specified region, thereby mounting panel 101, fin 103 and connecting rod 105 three stably support casing 201.

Then, the heat of the iron core 202 is conducted to the connecting rod 105, the heat of the connecting rod 105 is dissipated through the heat dissipation fins 103, the temperature of the filter is reduced, the aging and damage of the filter caused by overhigh temperature are avoided, and meanwhile, the heat dissipation fins 103 separate the shell 201 from the conductive object, and the dissipation of the electric signal in the shell 201 is avoided.

Finally, the staff passes through both input current of live wire terminal 3 and zero line terminal 4, and the electric current storage is in electric capacity subassembly 5, and the flow is through coil 203, and the edges and corners are less on casing 201, iron core 202 and the coil 203 three simultaneously, makes electric current evenly distributed, reduces current density, makes iron core 202 absorb the interference signal absorption of certain frequency channel, and the conversion is heat conduction for connecting rod 105, thereby transmits the high frequency interference electric current of live wire terminal 3 for zero line terminal 4 filters the electric wave.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A low intermodulation waveguide filter comprising: a support mechanism (1) and an impedance mechanism (2);

the impedance mechanism (2) is fixedly arranged on the side surface of the supporting mechanism (1);

the supporting mechanism (1) is fixedly installed in a designated area through screws, the impedance mechanism (2) is stably supported, heat of the impedance mechanism (2) is absorbed, load of the impedance mechanism (2) is reduced, a filter and a metal material are separated, electric signals are prevented from being dissipated, interference signals are absorbed by the impedance mechanism (2) and converted into heat, and waveguide efficiency is improved.

2. A low intermodulation waveguide filter according to claim 1, characterized in that the support mechanism (1) comprises: mounting panel (101), screw (102), fin (103), mount (104), connecting rod (105), screw (102) are seted up the top of mounting panel (101), fin (103) fixed mounting be in the top of mounting panel (101), mount (104) fixed mounting be in the side of fin (103), connecting rod (105) fixed mounting be in the side of fin (103) inner wall.

3. A low intermodulation waveguide filter according to claim 2, characterized in that: a gap is reserved between the radiating fins (103), the number of the fixing frames (104) is two, the connecting rods (105) are parallel to the mounting plate (101), and the radiating fins (103) and the connecting rods (105) are made of ceramic materials.

4. A low intermodulation waveguide filter according to claim 3, characterized in that the impedance means (2) comprises: casing (201), iron core (202), coil (203), through-hole (204), the side fixed connection of casing (201) in connecting rod (105), the both ends of iron core (202) with the both ends of coil (203) all fixed connection in casing (201), through-hole (204) are seted up the side of casing (201).

5. A low intermodulation waveguide filter according to claim 4, characterized in that: the casing (201), iron core (202) and coil (203) are helical structure, connecting rod (105) run through in iron core (202) with through-hole (204), iron core (202) are the ferrite material.

6. The low intermodulation waveguide filter of claim 5 further comprising: live wire terminal (3), zero line terminal (4), electric capacity subassembly (5), live wire terminal (3) with the equal fixed mounting of zero line terminal (4) is in the both ends of casing (201), electric capacity subassembly (5) fixed mounting be in the inner wall of casing (201).

7. The low intermodulation waveguide filter of claim 6 wherein: the live wire terminal (3) and the zero line terminal (4) are both fixedly connected to the coil (203), and the input terminal and the output terminal of the capacitor assembly (5) are both electrically coupled to the coil (203).