CN215070344U

CN215070344U - Split type filter based on alumina base board

Info

Publication number: CN215070344U
Application number: CN202120805436.3U
Authority: CN
Inventors: 王强
Original assignee: Johnson Precision Engineering Suzhou Co Ltd
Current assignee: Johnson Precision Engineering Suzhou Co Ltd
Priority date: 2021-04-20
Filing date: 2021-04-20
Publication date: 2021-12-07
Anticipated expiration: 2031-04-20

Abstract

The utility model belongs to the field of filters, in particular to a split type filter based on an alumina substrate, which comprises a filter main body and a substrate component; a substrate assembly is arranged on the top surface of the filter main body and is electrically connected with internal elements of the filter main body; the substrate assembly comprises a mounting seat and a substrate; the filter comprises a filter body, a mounting seat, an electric piece, a base plate and a sealing cover, wherein the top surface of the filter body is fixedly connected with the mounting seat, the top surface of the mounting seat is provided with a mounting groove, one side inside the mounting groove is provided with a slot, the inner wall of the slot is fixedly connected with the electric piece, the electric piece is electrically connected with an internal element of the filter body, the base plate is slidably mounted inside the mounting groove, one end of the base plate is in sliding fit with the inner wall of the slot, the base plate is connected with the electric piece, and the sealing cover is mounted on the top surface of the mounting seat through screws; through mounting groove mounting substrate, in the link of base plate inserted the slot, isolate the base plate from the inside of wave filter main part, the staff of being convenient for changes the base plate of damage, has reduced the replacement cost.

Description

Split type filter based on alumina base board

Technical Field

The utility model relates to a wave filter field specifically is split type wave filter based on aluminium oxide base board.

Background

A filter is a frequency-selective device that passes certain frequency components of a signal while significantly attenuating other frequency components. By using the frequency selection function of the filter, interference noise can be filtered out or spectrum analysis can be carried out.

Most of the existing filters are designed in an integrated mode, when the filters are used, once the filters are damaged, users mostly directly replace the new filters, but most of the filters are damaged on electronic elements of a substrate, the filters can be recovered to be used only by replacing the electronic elements or the substrate, and the expense cost is greatly increased by directly replacing the filters; therefore, a split filter based on an alumina substrate is proposed to address the above problems.

SUMMERY OF THE UTILITY MODEL

In order to compensate prior art's not enough, the damage of wave filter is mostly on the electronic component of base plate, directly changes the very big problem that has increased the expenditure expense of wave filter, the utility model provides a split type wave filter based on aluminium oxide base board.

The utility model provides a technical scheme that its technical problem adopted is: the utility model discloses a split type filter based on alumina base board, including filter main part, base plate subassembly and external subassembly; the filter comprises a filter body, and is characterized in that a substrate assembly is installed on the top surface of the filter body and electrically connected with internal elements of the filter body, external assemblies are installed on two sides of the filter body and electrically connected with the internal elements of the filter body.

Preferably, the substrate assembly comprises a mounting seat, a sealing cover and a substrate; the filter comprises a filter body, and is characterized in that the top surface of the filter body is fixedly connected with a mounting seat, the top surface of the mounting seat is provided with a mounting groove, one side in the mounting groove is provided with a slot, the inner wall of the slot is fixedly connected with an electric sheet, the electric sheet is electrically connected with an internal element of the filter body, the inside of the mounting groove is provided with a substrate in a sliding manner, one end of the substrate is in sliding fit with the inner wall of the slot, the substrate is connected with the electric sheet, and the top surface of the mounting seat is provided with a screw mounting sealing cover.

Preferably, the one side rigid coupling one end of a plurality of first springs of slot is kept away from to the mounting groove, the other end rigid coupling push pedal of first spring, push pedal and mounting groove sliding fit.

Preferably, a plurality of sliding grooves are formed in the bottom surface of the mounting groove, a protruding block on the bottom surface of the pushing plate is in sliding fit with the sliding grooves, a transverse plate is fixedly connected to the top surface of the pushing plate, and the transverse plate is located above the base plate and the first spring.

Preferably, the two sides of the bottom surface of the sealing cover are fixedly connected with sponge strips, and the bottom surfaces of the sponge strips are contacted with the two sides of the top surface of the substrate.

Preferably, the two sides of the bottom surface of the filter main body are fixedly connected with fixing plates, and the fixing plates are provided with a plurality of straight notches.

Preferably, the external component comprises a fixed seat and a first bolt; the filter comprises a filter body and is characterized in that two sides of the filter body are provided with screw mounting fixing seats, the middle of each fixing seat is embedded with a first bolt, and the first bolts are communicated with internal elements of the filter body.

Preferably, the fixing seat is made of insulating rubber, the first plug is made of copper, and a through hole is formed in the middle of the first plug.

The utility model discloses an useful part lies in:

1. the base plate is installed through the installation groove, the connecting end of the base plate is inserted into the slot, the base plate is clamped in the slot by the aid of the elastic force of the first spring, the base plate is separated from the interior of the filter main body, and workers can replace damaged base plates conveniently, so that maintenance and replacement costs are reduced, and economic resources are saved;

2. insert the draw-in groove of both sides through T shape slip table in, second bolt contact conducting strip, the elasticity of second spring promotes the worker shaped plate to the draw-in groove in, it sticiss the conducting strip to promote the second bolt, not hard up between second bolt and the conducting strip has been avoided, cause signal transmission's instability, the inside of external signal source with signal transmission to the wave filter main part has been realized, the second bolt of plug-in type simultaneously, the staff of being convenient for is different according to the socket hole of external signal source, and change different second bolts, the whole practicality of wave filter has been improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a substrate assembly according to the present invention;

FIG. 3 is a cross-sectional view of a base plate assembly of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

fig. 5 is a schematic structural diagram of an external component according to an embodiment of the present invention;

FIG. 6 is a cross-sectional view of an external component according to an embodiment of the present invention;

fig. 7 is a partial enlarged view of a portion a in fig. 6.

In the figure: 1. a filter body; 2. a substrate assembly; 101. a fixing plate; 102. a straight notch; 201. a mounting seat; 202. mounting grooves; 203. a slot; 204. a sealing cover; 205. a substrate; 206. a first spring; 207. pushing the plate; 208. a chute; 209. a sponge strip; 301. a fixed seat; 302. a first latch; 303. a through hole; 304. an installation table; 305. a card slot; 306. a conductive sheet; 307. a T-shaped sliding table; 308. a second bolt; 309. a connecting plate; 310. a spring slot; 311. a I-shaped plate; 312. a second spring.

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 efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the split filter based on alumina substrate includes a filter body 1, a substrate assembly 2 and an external assembly; the top surface of wave filter main part 1 installs base plate subassembly 2, the internal component of wave filter main part 1 of base plate subassembly 2 electric connection, external subassembly is all installed to the main part both sides of wave filter main part 1, the internal component of external subassembly electric connection wave filter main part 1.

Referring to fig. 1-4, as an embodiment of the present invention, the substrate assembly 2 includes a mounting base 201, a sealing cover 204 and a substrate 205; the top surface of the filter main body 1 is fixedly connected with an installation seat 201, the top surface of the installation seat 201 is provided with an installation groove 202, one side inside the installation groove 202 is provided with an insertion groove 203, the inner wall of the insertion groove 203 is fixedly connected with an electric sheet, the electric sheet is electrically connected with internal elements of the filter main body 1, a substrate 205 is slidably installed inside the installation groove 202, one end of the substrate 205 is in sliding fit with the inner wall of the insertion groove 203, the substrate 205 is connected with the electric sheet, and the top surface of the installation seat 201 is provided with a sealing cover 204 through screws; the substrate 205 is installed through the installation groove 202, the slot 203 is inserted with the substrate 205, the sealing cover 204 seals the installation groove 202, the substrate 205 is separated from the inside of the filter main body 1, and a worker can replace the damaged substrate 205 conveniently, so that the maintenance and replacement cost is reduced, and the economic resources are saved.

Referring to fig. 1-4, as an embodiment of the present invention, one side of the mounting groove 202 away from the slot 203 is fixedly connected to one end of a plurality of first springs 206, the other end of the first springs 206 is fixedly connected to a push plate 207, and the push plate 207 is slidably fitted to the mounting groove 202; the push plate 207 is pushed by the elastic force of the first spring 206 to clamp the substrate 205 in the slot 203, so that the instability of circuit connection caused by the looseness of the substrate 205 is avoided.

Referring to fig. 1-4, as an embodiment of the present invention, a plurality of sliding grooves 208 are formed on the bottom surface of the mounting groove 202, a bottom surface bump of the push plate 207 is in sliding fit with the sliding grooves 208, and a transverse plate is fixedly connected to the top surface of the push plate 207 and is located above the base plate 205 and the first spring 206; the sliding groove 208 is matched with the push plate 207 to slide, so that the push plate 207 is prevented from deviating in the sliding process to cause the deviation of the substrate 205, and the stability of circuit connection is further improved.

Referring to fig. 1-4, as an embodiment of the present invention, sponge strips 209 are fixedly connected to both sides of the bottom surface of the sealing cover 204, and the bottom surfaces of the sponge strips 209 contact both sides of the top surface of the base plate 205; the base plate 205 is pressed and fixed through the sponge strips 209 on the two sides, so that the base plate 205 is further fixed, and the connection stability of the base plate 205 is further improved.

Referring to fig. 1-4, as an embodiment of the present invention, a fixing plate 101 is fixedly connected to two sides of a bottom surface of the filter body 1, and the fixing plate 101 is provided with a plurality of straight notches 102; the filter body 1 is conveniently installed on the surface of the equipment by workers through the fixed plate 101 fixedly connected and the straight notch 102 opened.

Referring to fig. 1-4, as an embodiment of the present invention, the external component includes a fixing base 301 and a first pin 302; the filter comprises a filter body 1, wherein two sides of the filter body 1 are provided with screw mounting fixing seats 301, the middle parts of the fixing seats 301 are embedded with first bolts 302, and the first bolts 302 are communicated with internal elements of the filter body 1; the signal source is connected through the first pin 302, so that an external signal is transmitted into the filter body 1 for filtering, and the first pin 302 on the other side outputs the signal.

Referring to fig. 1-4, as an embodiment of the present invention, the fixing base 301 is made of insulating rubber, the first pin 302 is made of copper, and a through hole 303 is formed in the middle of the first pin 302; the first pin 302 is isolated by the fixing base 301 made of insulating rubber, so that the probability of being influenced in signal transmission is reduced.

Referring to fig. 5-7, another embodiment of the external device is as follows: the external connection component comprises an installation platform 304, a conducting strip 306, a T-shaped sliding platform 307 and a second bolt 308; the filter comprises a filter body 1, a mounting table 304 is fixedly connected to two sides of the filter body 1, clamping grooves 305 are formed in two sides of the mounting table 304, a conducting strip 306 is fixedly connected to one surface, close to the filter body 1, of the inside of each clamping groove 305, the conducting strip 306 is electrically connected with an internal element of the filter body 1, a T-shaped sliding table 307 is slidably mounted in each clamping groove 305, a second bolt 308 is embedded in the middle of each T-shaped sliding table 307, and the second bolt 308 is in sliding contact with the conducting strip 306; through in inserting the draw-in groove 305 of both sides with T shape slip table 307 for second bolt 308 contact conducting strip 306, thereby realized that external signal source is different according to the socket hole of external signal source with signal transmission to the inside of wave filter main part 1, the second bolt 308 of plug-in type simultaneously, the staff of being convenient for is different, and changes different second bolt 308, has then improved the whole practicality of wave filter.

Referring to fig. 5-7, another embodiment of the external device is as follows: a connecting plate 309 is fixedly connected between the T-shaped sliding tables 307 on two sides, the connecting plate 309 is fixed with the middle of the mounting table 304 through screws, spring grooves 310 are formed in two sides of one side, away from the filter main body 1, of the inside of the clamping groove 305, a I-shaped plate 311 is slidably mounted in the spring grooves 310, a transverse plate on one side of the I-shaped plate 311 is in sliding fit with the spring grooves 310, a transverse plate on the other side of the I-shaped plate 311 is in sliding fit with the clamping groove 305, a vertical plate in the middle of the I-shaped plate 311 is in sliding fit with notches of the spring grooves 310, one ends of a plurality of second springs 312 are fixedly connected to the inner wall of the spring grooves 310, and the other ends of the second springs 312 are fixedly connected with the I-shaped plate 311; the I-shaped plate 311 is pushed to the inside of the clamping groove 305 by the elastic force of the second spring 312, the second pin 308 is pushed to press the conductive plate 306, and the instability of signal transmission caused by looseness between the second pin 308 and the conductive plate 306 is avoided.

The working principle is as follows: firstly, a filter body 1 is installed on the surface of equipment by using screws to pass through the straight notch 102, the output end of a signal source is connected with a first bolt 302 on one side, and the first bolt 302 on the other side is connected with the input end of the equipment;

then, the push plate 207 is pushed to slide along the sliding groove 208, so that the first spring 206 compresses and stores force, the substrate 205 is installed in the installation groove 202, the connecting end of the substrate 205 is inserted into the insertion groove 203, the push plate 207 is released, the first spring 206 is reset, the push plate 207 is pushed to press the substrate 205, the substrate 205 is firmly pressed in the insertion groove 203, the sealing cover 204 is fixed to the top surface of the installation seat 201 through bolts, the sponge strip 209 presses the substrate 205, and the substrate 205 is further fixed.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. Split type filter based on alumina base board, its characterized in that: the filter comprises a filter main body (1), a substrate assembly (2) and an external assembly; a substrate assembly (2) is mounted on the top surface of the filter main body (1), the substrate assembly (2) is electrically connected with internal elements of the filter main body (1), external assemblies are mounted on two sides of the filter main body (1), and the external assemblies are electrically connected with the internal elements of the filter main body (1);

the substrate assembly (2) comprises a mounting seat (201), a sealing cover (204) and a substrate (205); the filter comprises a filter main body (1), a top surface fixedly connected mounting seat (201), a mounting groove (202) is formed in the top surface of the mounting seat (201), a slot (203) is formed in one side of the inside of the mounting groove (202), an electric sheet is fixedly connected to the inner wall of the slot (203), the electric sheet is electrically connected with internal elements of the filter main body (1), a base plate (205) is slidably mounted inside the mounting groove (202), one end of the base plate (205) is in sliding fit with the inner wall of the slot (203), the base plate (205) is connected with the electric sheet, and a sealing cover (204) is mounted on the top surface of the mounting seat (201) through screws.

2. The alumina substrate-based split filter according to claim 1, wherein: one side of the mounting groove (202) far away from the slot (203) is fixedly connected with one end of a plurality of first springs (206), the other end of each first spring (206) is fixedly connected with a push plate (207), and the push plates (207) are in sliding fit with the mounting groove (202).

3. The alumina substrate-based split filter according to claim 2, wherein: the bottom surface of the mounting groove (202) is provided with a plurality of sliding grooves (208), a bottom surface bump of the push plate (207) is in sliding fit with the sliding grooves (208), the top surface of the push plate (207) is fixedly connected with a transverse plate, and the transverse plate is positioned above the base plate (205) and the first spring (206).

4. The alumina substrate-based split filter according to claim 1, wherein: sponge strips (209) are fixedly connected to two sides of the bottom surface of the sealing cover (204), and the bottom surfaces of the sponge strips (209) are in contact with two sides of the top surface of the substrate (205).

5. The alumina substrate-based split filter according to claim 1, wherein: the filter is characterized in that fixing plates (101) are fixedly connected to two sides of the bottom surface of the filter main body (1), and a plurality of straight notches (102) are formed in the fixing plates (101).

6. The alumina substrate-based split filter according to claim 5, wherein: the external connection component comprises a fixed seat (301) and a first bolt (302); the filter comprises a filter body (1), wherein two sides of the filter body (1) are provided with screw installation fixing seats (301), the middle of each fixing seat (301) is embedded with a first bolt (302), and the first bolts (302) are communicated with internal elements of the filter body (1).

7. The alumina substrate-based split filter of claim 6, wherein: the fixing seat (301) is made of insulating rubber, the first plug pin (302) is made of copper, and a through hole (303) is formed in the middle of the first plug pin (302).