CN211017337U

CN211017337U - Isolator

Info

Publication number: CN211017337U
Application number: CN201921489844.1U
Authority: CN
Inventors: 肖进华; 周克宏; 王庭峰; 胡晨飞
Original assignee: Tiantong Ruihong Technology Co ltd
Current assignee: Chengdu 899 Technology Co.,Ltd. Haining Branch
Priority date: 2019-09-09
Filing date: 2019-09-09
Publication date: 2020-07-14
Anticipated expiration: 2029-09-09

Abstract

The utility model provides an isolator belongs to the communication technology field, and it has solved the radiating problem of current isolator. The method comprises the following steps: the cavity is internally provided with an accommodating groove, the side wall of the accommodating groove is provided with a positioning groove, and four corners at the bottom of the cavity are provided with a first through hole and a threaded blind hole in pairs; the fin locates the bottom of cavity, is equipped with the protruding loading end that is used for placing the cavity in the location on the fin, and the protruding setting with the loading end of location is adjacent, and the bellied height in location is an, and the degree of depth of constant head tank 12 is b, satisfies the quantitative relation: and a < b, the four corners of the bearing surface are provided with a second through hole and a threaded through hole in pairs, wherein the positions of the second through hole correspond to those of the threaded through hole in sequence, and the positions of the threaded through hole and the threaded blind hole correspond to each other in sequence. The utility model has the characteristics of simple structure, radiating effect are good.

Description

Isolator

Technical Field

The utility model belongs to the technical field of communication, a isolator is related to.

Background

Microwave ferrite circulators and isolators are common signal switching devices used in communication technology. The microwave circuit has the functions of isolating microwave signals or energy, circulating, direction changing, phase control, amplitude modulation or frequency tuning and the like, and can be widely used in microwave systems such as communication, radio navigation, electronic countermeasure and the like and microwave measuring instruments.

The structure of the prior art isolator has the following drawbacks 1) the load sheet burns out within 24 hours of reverse power 50W; 2) the heat of the local poor heat dissipation effect of the isolator can not be dissipated, so that the load of the isolator is burnt out. To sum up, the existing isolator structure causes poor heat dissipation effect and can burn out in use.

To sum up, for solving the structural not enough that exists of current isolator, the utility model designs an isolator that simple structure, radiating effect are good.

Disclosure of Invention

The utility model provides an isolator with simple structure and good heat dissipation effect, which solves the problems existing in the prior art.

The purpose of the utility model can be realized by the following technical proposal: an isolator, comprising:

the cavity is internally provided with an accommodating groove, the side wall of the accommodating groove is provided with a positioning groove, and four corners at the bottom of the cavity are provided with a first through hole and a threaded blind hole in pairs;

the fin locates the bottom of cavity, is equipped with the protruding loading end that is used for placing the cavity in the location on the fin, and the protruding setting with the loading end of location is adjacent, and the bellied height in location is an, and the degree of depth of constant head tank 12 is b, satisfies the quantitative relation: and a < b, the four corners of the bearing surface are provided with a second through hole and a threaded through hole in pairs, wherein the positions of the second through hole correspond to those of the threaded through hole in sequence, and the positions of the threaded through hole and the threaded blind hole correspond to each other in sequence.

As a further improvement, the heat radiating fin is made of red copper.

As a further improvement, the accommodating groove is sequentially provided with a fifth uniform magnetic sheet, a magnet, a fourth uniform magnetic sheet, a second ferrite, a central conductor, a first ferrite, a third uniform magnetic sheet, barium iron, a second uniform magnetic sheet and a first uniform magnetic sheet from bottom to top.

As a further improvement, a positioning ring is arranged between the uniform magnetic sheet IV and the ferrite II, and the outer diameter of the positioning ring is consistent with the diameter of the accommodating groove.

As a further improvement, a positioning ring is arranged between the central conductor and the ferrite I, and the outer diameter of the positioning ring is consistent with the diameter of the accommodating groove.

Compared with the prior art, the utility model has reasonable structural design, and the isolator adopts an integrated radiating fin structure, so that the flatness is good; the radiating fins are arranged at the bottom of the cavity, and the load sheet is protected by combining the through holes I with the radiating fins made of red copper, so that the load sheet is not damaged when the isolator has reverse power of 50W for 24 hours; compared with the local heat dissipation of the isolator in the prior art, the isolator has good heat dissipation effect for comprehensive heat dissipation.

Drawings

Fig. 1 is a schematic perspective view of the isolator of the present invention.

Fig. 2 is a schematic view of an assembly structure of the isolator of the present invention.

Fig. 3 is a schematic perspective view of the isolator cavity of the present invention.

Fig. 4 is a top view of the isolator cavity of the present invention.

Fig. 5 is a bottom view of the isolator cavity of the present invention.

Fig. 6 is a schematic view of an assembly structure of the heat sink and the cross recessed countersunk head screw of the isolator of the present invention.

Fig. 7 is a schematic perspective view of a heat sink of the isolator according to the present invention.

Fig. 8 is a bottom view of the heat sink of the isolator according to the present invention.

In the figure, 1-cavity, 11-accommodating groove, 12-positioning groove, 13-through hole I, 14-threaded blind hole, 2-radiating fin, 21-bearing surface, 22-through hole II, 23-threaded through hole, 24-positioning protrusion, 25-cross groove countersunk head screw, 31-uniform magnetic sheet I, 32-uniform magnetic sheet II, 33-uniform magnetic sheet III, 34-uniform magnetic sheet IV, 35-uniform magnetic sheet V, 4-magnet, 51-ferrite I, 52-ferrite II, 6-central conductor, 7-barium iron, 8-positioning ring, 81-load sheet and 9-cover plate.

Detailed Description

The technical solution of the present invention will be further explained with reference to the following embodiments and accompanying drawings.

As shown in fig. 1 to 5, the present isolator includes:

the cavity comprises a cavity body 1, wherein a containing groove 11 is arranged in the cavity body 1, a positioning groove 12 is arranged on the side wall of the containing groove, and a first through hole 13 and a threaded blind hole 14 are formed in four corners of the bottom of the cavity body 1 in pairs;

fin 2, locate cavity 1's bottom, be equipped with location arch 24 and the loading face 21 that is used for placing cavity 1 on fin 2, location arch 24 and the adjacent setting of loading face 21, the protruding 24 height of location is an, and the degree of depth of constant head tank 12 is b, satisfies the quantity relation: a < b, the four corners of the bearing surface 21 are provided with a second through hole 22 and a threaded through hole 23 in pairs, wherein the position of the second through hole 22 corresponds to the position of the first through hole 13 in sequence, and the positions of the threaded through hole 23 and the threaded blind hole 14 correspond to each other in sequence.

Therefore, the utility model discloses an isolator adopts the bottom to set up fin 2, changes the structure of prior art isolator into by local heat dissipation the utility model discloses a comprehensive heat dissipation has the radiating effect of preferred, convenient assembling, the operation of being convenient for moreover.

In the specific use process, the bearing surface 21 of the radiating fin 2 is used for placing a cavity, the positions of the first through holes 13 arranged at the four corners of the cavity 1 correspond to the positions of the second through holes 22 arranged at the four corners of the radiating fin 2, the first through holes 13 are communicated with the second through holes 22, the shapes of the first through holes 13 are consistent, and the axes of the first through holes and the second through holes coincide. Foretell mode of setting up makes the radiating effect of isolator good, realizes the comprehensive heat dissipation, and the local heat dissipation of contrast prior art, the heat can effectual three play, is difficult for appearing the phenomenon of burning out in the use, prolongs the life of isolator.

During the installation, through installing cross recess countersunk screw 25 in the screw through-hole 23 of fin bottom, realize the fixed of fin 2 and cavity 1, specifically do: because the threaded through hole 23 corresponds to the threaded blind hole 14 in sequence, the cross recessed countersunk head screw is installed through the bottom of the radiating fin 2 and passes through the threaded blind hole 14 of the cavity 1 to realize fixation.

The radiating fins 2 are welded with the cavity 1 through welding tin and are fixed through four screws, so that good contact between the radiating fins 2 and the cavity 1 is guaranteed, and the best radiating effect is achieved.

As a further preferred embodiment, the positioning protrusion 24 and the bearing surface 21 are of a unitary structure. The positioning protrusions 24 and the bearing surface 21 are of an integrated structure, and the heat sink 2 is of a whole structure, so that the flatness is good. The prior art is split type, and the problem of poor flatness can easily appear.

In a more preferred embodiment, the heat sink 2 is made of red copper. More specifically T2 red copper. Red copper is favorable to conducting the heat in the isolator as the material of fin 2, because T2 red copper has better electric conductivity and heat conductivity corrosion resistance, chooses red copper for use as the heat conduction carrier, installs in the isolator bottom, and the heat conduction makes the isolator normally work in overlength time, and the isolator can realize effectual heat dissipation in the course of the work, and life effectively prolongs.

In a further preferred embodiment, the accommodating groove 11 is provided with a magnet homogenizing sheet five 35, a magnet 4, a magnet homogenizing sheet four 34, a ferrite second 52, a central conductor 6, a ferrite first 51, a magnet homogenizing sheet three 33, a barium iron 7, a magnet homogenizing sheet two 32 and a magnet homogenizing sheet one 31 in sequence from bottom to top. The structural shapes of the uniform magnetic sheet five 35, the magnet 4, the uniform magnetic sheet four 34, the ferrite two 52, the ferrite one 51, the uniform magnetic sheet three 33, the barium iron 7, the uniform magnetic sheet two 32 and the uniform magnetic sheet one 31 which are arranged in sequence are circular, the circular structures are consistent with the circular structure of the accommodating groove 11, and the uniform magnetic sheets are placed in the accommodating groove 11 during assembly.

Preferably, the number of the positioning grooves 12 is three, the central conductor 6 extends outwards in the circumferential direction to form three extending strips, the positions of the three extending strips correspond to the positions of the positioning grooves 12, and the extending strips extend out of the positioning grooves 12 during assembly. The positioning groove 12 is arranged to facilitate installation.

A load sheet 81 is provided at the lengthwise center of the positioning projection 24, and an elongated strip of the center conductor is abutted on the surface of the load sheet 81.

As a further preferred embodiment, a positioning ring 8 is arranged between the magnetic homogenizing plate four 34 and the ferrite two 52, and the outer diameter of the positioning ring is consistent with the diameter of the accommodating groove 11.

As a further preferred embodiment, a positioning ring 8 is arranged between the central conductor 6 and the ferrite-51, and the outer diameter of the positioning ring is consistent with the diameter of the accommodating groove 11.

In the specific assembling process, the arrangement of the annular positioning rings 8 is convenient for assembling, and in the preferred embodiment, two annular positioning rings 8 are arranged in the isolator.

As a further preferred embodiment, a cover plate 9 is further disposed on the top of the accommodating groove 11. The upper part of the cover plate 9 is also provided with a label 91, the label can be marked with the type and the performance data related to the isolator, so that a customer can know the related performance and the type of the isolator before using the isolator, and the isolator is convenient to use.

The isolator adopts an integrated radiating fin structure, and has good flatness; the radiating fins are arranged at the bottom of the cavity 1, and the load sheet is protected by combining the through holes I13 with the radiating fins made of red copper, so that the load sheet is not damaged when the isolator has reverse power of 50W for 24 hours; compared with the local heat dissipation of the isolator in the prior art, the isolator has good heat dissipation effect for comprehensive heat dissipation.

The preferred embodiments of the present invention are described herein, but the scope of the present invention is not limited thereto. Modifications or additions to or replacement by similar means to those skilled in the art to which the invention pertains to the specific embodiments described herein are intended to be covered by the scope of the invention.

Claims

1. An isolator, comprising:

the cavity body (1), the cavity body (1) is internally provided with an accommodating groove (11), the side wall of the accommodating groove is provided with a positioning groove (12), and four corners at the bottom of the cavity body (1) are provided with a first through hole (13) and a threaded blind hole (14) in pairs;

fin (2), locate the bottom of cavity (1), be equipped with location arch (24) and loading face (21) that are used for placing cavity (1) on fin (2), location arch (24) and loading face (21) adjacent setting, the height of location arch (24) is an, and the degree of depth of constant head tank (12) is b, satisfies the quantitative relation: a < b, four corners of the bearing surface (21) are provided with a second through hole (22) and a threaded through hole (23) in pairs, wherein the position of the second through hole (22) corresponds to the position of the first through hole (13) in sequence, and the positions of the threaded through hole (23) and the threaded blind hole (14) correspond in sequence.

2. An insulator according to claim 1, wherein the fins (2) are made of copper.

3. The isolator as claimed in claim 1, wherein the accommodating groove (11) is provided with a first uniform magnetic sheet (35), a magnet (4), a fourth uniform magnetic sheet (34), a second ferrite (52), a central conductor (6), a first ferrite (51), a third uniform magnetic sheet (33), barium iron (7), a second uniform magnetic sheet (32) and a first uniform magnetic sheet (31) from bottom to top in sequence.

4. An isolator as claimed in claim 3, wherein a locating ring (8) is provided between the shim four (34) and the ferrite two (52), the locating ring having an outer diameter corresponding to the diameter of the receiving slot (11).

5. An isolator as claimed in claim 3, wherein a locating ring (8) is provided between the central conductor (6) and the ferrite-1 (51), the locating ring having an outer diameter corresponding to the diameter of the receiving slot (11).