阅读说明：本技术 一种可与pcb板直接连接的滤波器输入输出结构 (Filter input/output structure capable of being directly connected with PCB ) 是由 史作毅 汪亭 梁文超 于 2021-10-25 设计创作，主要内容包括：本发明公开了一种可与PCB板直接连接的滤波器输入输出结构,属于滤波器技术领域,一种可与PCB板直接连接的滤波器输入输出结构,包括调试夹具,所述调试夹具上可拆卸连接有隔离板,所述隔离板上侧设置有腔体,所述腔体上侧设置有盖板,所述腔体内侧设置有输出端口谐振器,所述输出端口谐振器设置有10个,10个所述输出端口谐振器通过输出端口谐振器固定螺钉可拆卸连接在调试夹具上,两端所述输出端口谐振器下侧固定连接有输入输出微带线匹配铜片片,所述输入输出微带线匹配铜片片向外伸展,所述调试夹具左侧设置有输出PCB匹配板,本发明解决了常规滤波器输入输出时无法直接与PCB集成线路连接的弊端,对产品指标相对常规结构易于控制。(The invention discloses a filter input/output structure capable of being directly connected with a PCB (printed circuit board), belonging to the technical field of filters, and the filter input/output structure capable of being directly connected with the PCB comprises a debugging clamp, wherein a separation plate is detachably connected on the debugging clamp, a cavity is arranged on the upper side of the separation plate, a cover plate is arranged on the upper side of the cavity, output port resonators are arranged on the inner side of the cavity, 10 output port resonators are arranged, 10 output port resonators are detachably connected on the debugging clamp through output port resonator fixing screws, input/output microstrip line matching copper sheets are fixedly connected on the lower sides of the output port resonators at two ends, the input/output microstrip line matching copper sheets extend outwards, and an output PCB matching plate is arranged on the left side of the debugging clamp, the product index is easy to control compared with the conventional structure.)

1. A filter input-output structure directly connectable to a PCB board, comprising:

the debugging clamp (13), the debugging clamp (13) is detachably connected with a separation plate (19), a cavity (1) is arranged on the upper side of the separation plate (19), a cover plate (2) is arranged on the upper side of the cavity (1), output port resonators (14) are arranged on the inner side of the cavity (1), 10 output port resonators (14) are arranged, 10 output port resonators (14) are detachably connected to the debugging clamp (13) through output port resonator fixing screws (15), input and output microstrip line matching copper sheets (18) are fixedly connected to the lower sides of the output port resonators (14) at two ends, the input and output microstrip line matching copper sheets (18) extend outwards, an output PCB matching plate (11) is arranged on the left side of the debugging clamp (13), and the output PCB matching plate (11) is positioned at the left end of the cavity (1), output PCB matching board (11) can be dismantled through output PCB matching board set screw (12) and connect on debugging anchor clamps (13), debugging anchor clamps (13) right side is provided with input PCB matching board (9), input PCB matching board (9) are located the right-hand member of cavity (1), input PCB matching board (9) can be dismantled through input PCB matching board set screw (10) and connect on debugging anchor clamps (13), input PCB matching board (9) and output PCB matching board (11) all match copper sheet (18) with input output microstrip line and are connected.

2. The filter input and output structure capable of being directly connected with a PCB board according to claim 1, wherein a capacitive coupling copper sheet (16) is disposed on the lower side of the output port resonator (14) on the right side, a capacitive coupling copper sheet fixing support (17) is detachably connected to the capacitive coupling copper sheet (16), and the capacitive coupling copper sheet (16) is connected with 2 output port resonators (14) through the capacitive coupling copper sheet fixing support (17).

3. The filter input and output structure capable of being directly connected with a PCB according to claim 1, wherein the debugging clamp (13) is provided with output connectors (6) on the outer wall of the left side, the output connectors (6) are detachably connected to the debugging clamp (13) through output connector fixing screws (5), the output connector fixing screws (5) are provided with 4 output connector fixing screws (5), the 4 output connector fixing screws (5) are uniformly distributed at four corners of the output connectors (6), one end of the output PCB matching board (11) is connected with a raised head of the output connectors (6), and the other end of the output PCB matching board (11) is connected with an input and output microstrip line matching copper sheet (18).

4. The filter input and output structure capable of being directly connected with a PCB according to claim 1, wherein the debugging clamp (13) is provided with an input connector (7) on the outer wall of the right side thereof, the input connector (7) is detachably connected to the debugging clamp (13) through an input connector fixing screw (8), the input connector fixing screw (8) is provided with 4 input connector fixing screws (8), the 4 input connector fixing screws (8) are uniformly distributed at four corners of the input connector (7), one end of the input PCB matching board (9) is connected with a raised head of the input connector (7), and the other end of the input PCB matching board (11) is connected with an input and output microstrip line matching copper sheet (18).

5. The filter input and output structure capable of being directly connected with a PCB as claimed in claim 1, wherein the cover plate (2) and the cavity (1) are provided with threaded holes, the cover plate fixing screws (3) are sleeved in the threaded holes to detachably connect the cover plate (2) and the cavity (1), and the number of the cover plate fixing screws (3) is 8.

6. The filter input and output structure directly connected with the PCB as recited in claim 1, wherein tuning screws (4) are detachably connected to the cover plate (2), and 21 tuning screws (4) are provided, and 21 tuning screws (4) are regularly and uniformly distributed on the cover plate (2).

7. A filter input and output structure directly connectable to a PCB board according to claim 1, wherein the number of the input PCB matching board fixing screws (10) is 4, and the screws are uniformly distributed at four corners of the input PCB matching board (9).

8. The filter input and output structure directly connectable with the PCB board as claimed in claim 1, wherein the output PCB matching board fixing screws (12) are provided with 4, and are uniformly distributed at four corners of the output PCB matching board (11).

9. The filter input and output structure capable of being directly connected with a PCB as claimed in claim 1, wherein the debugging clamp (13) is provided with a threaded hole, the isolation plate (19) is provided with a threaded hole matched with the debugging clamp (13), and the isolation plate (19) and the debugging clamp (13) are detachably connected through an isolation plate fixing screw (20).

10. The input/output structure of filter directly connectable to PCB of claim 9, wherein the bottom end of the cover plate fixing screw (3) is higher than the top end of the isolation plate fixing screw (20).

Technical Field

The invention relates to the technical field of filters, in particular to a filter input and output structure capable of being directly connected with a PCB (printed circuit board).

Background

The filter is a device for filtering waves, the waves are a very wide physical concept, and in the field of electronic technology, the waves are narrowly limited to refer to a process for describing fluctuation of values of various physical quantities along with time, and the process is converted into a time function of voltage or current through the action of various sensors, so that the time waveform of the various physical quantities or a signal is called;

however, in the design process of the traditional filter, some products are special in application and need to be welded on a PCB and integrated circuits on the PCB to work together, the input and output of the conventional filter are in a joint form, and the input and output form is fixed, so that the conventional filter cannot be directly switched to the PCB, and an external cable module and an independent filter fixing support plate are needed to be connected with the PCB under the condition of ensuring 50 Ω matching, so that the conventional filter is not easy to control.

Disclosure of Invention

The invention aims to solve the problem that an external cable module and a single fixed filter supporting plate can be connected with a PCB under the condition of ensuring 50 omega matching and are not easy to control in the prior art, and provides a filter input and output structure capable of being directly connected with the PCB.

In order to achieve the purpose, the invention adopts the following technical scheme:

a filter input-output structure directly connectable to a PCB board, comprising:

the debugging clamp is detachably connected with an isolation plate, a cavity is arranged on the upper side of the isolation plate, a cover plate is arranged on the upper side of the cavity, output port resonators are arranged on the inner side of the cavity, 10 output port resonators are arranged, 10 output port resonators are detachably connected to the debugging clamp through output port resonator fixing screws, input and output microstrip line matching copper sheets are fixedly connected to the lower sides of the output port resonators at two ends, the input and output microstrip line matching copper sheets extend outwards, an output PCB matching plate is arranged on the left side of the debugging clamp and is positioned at the left end of the cavity, the output PCB matching plate is detachably connected to the debugging clamp through output PCB matching plate fixing screws, an input PCB matching plate is arranged on the right side of the debugging clamp and is positioned at the right end of the cavity, the input PCB matching board is detachably connected to the debugging clamp through an input PCB matching board fixing screw, and the input PCB matching board and the output PCB matching board are both connected with the input and output microstrip line matching copper sheet.

Preferably, a capacitive coupling copper sheet is arranged on the lower side of the output port resonator on the right side, a capacitive coupling copper sheet fixing support is detachably connected to the capacitive coupling copper sheet, and the capacitive coupling copper sheet is connected with the 2 output port resonators through the capacitive coupling copper sheet fixing support.

Preferably, an output connector is arranged on the outer wall of the left side of the debugging clamp, the output connector is detachably connected to the debugging clamp through output connector fixing screws, the number of the output connector fixing screws is 4, the output connector fixing screws are uniformly distributed at four corners of the output connector, one end of the output PCB matching board is connected with the output connector raised head, and the other end of the output PCB matching board is connected with the input and output microstrip line matching copper sheet.

Preferably, an input connector is arranged on the outer wall of the right side of the debugging clamp, the input connector is detachably connected to the debugging clamp through input connector fixing screws, the number of the input connector fixing screws is 4, the input connector fixing screws are uniformly distributed at four corners of the input connector, one end of the input PCB matching board is connected with an input connector raised head, and the other end of the input PCB matching board is connected with an input and output microstrip line matching copper sheet.

Preferably, all be provided with the screw hole on apron and the cavity, it realizes dismantling the connection to have apron set screw in the screw hole to lap and cavity, apron set screw is provided with 8.

Preferably, the cover plate is detachably connected with tuning screws, and the tuning screws are provided with 21 tuning screws which are uniformly distributed on the cover plate according to a rule.

Preferably, the number of the input PCB matching board fixing screws is 4, and the fixing screws are uniformly distributed at four corners of the input PCB matching board

Preferably, the number of the output PCB matching board fixing screws is 4, and the output PCB matching board fixing screws are uniformly distributed at four corners of the output PCB matching board;

preferably, the debugging clamp is provided with a threaded hole, the partition board is internally provided with a threaded hole matched with the debugging clamp, and the partition board and the debugging clamp are detachably connected through the partition board fixing screw

Preferably, the bottom end of the cover plate fixing screw is higher than the top end of the isolation plate fixing screw.

Compared with the prior art, the invention provides a filter input and output structure capable of being directly connected with a PCB (printed circuit board), which has the following beneficial effects:

1. the structure changes the input and output connector of the conventional filter into a 50 omega microstrip line mode which is suitable for a PCB, solves the defect that the conventional filter can not be directly connected with a PCB integrated circuit when in input and output, and is easy to control the product index compared with the conventional structure;

2. the structure changes the input and output joint form of the conventional filter into a structure that a 50 omega metal sheet matched with the cavity groove is directly welded on the first resonance column in the cavity, and the metal sheet is directly welded to replace the input and output joint of the conventional filter, so that the processing cost and the batch cost are low, the stability and the consistency are high, and the operability is high.

Drawings

Fig. 1 is a perspective view of an input/output structure of a filter directly connectable to a PCB according to the present invention;

fig. 2 is a top view of a connection structure of a filter input/output structure directly connectable to a PCB according to the present invention;

fig. 3 is a front view of an input/output structure of a filter directly connectable to a PCB according to the present invention;

fig. 4 is a bottom view of an input/output structure of a filter directly connectable to a PCB according to the present invention;

fig. 5 is a left side view of an input/output structure of a filter directly connectable to a PCB according to the present invention;

fig. 6 is an open top view of a filter input/output structure directly connectable to a PCB according to the present invention;

FIG. 7 is a perspective view of an open-cover cavity-removing structure of a filter I/O structure directly connectable to a PCB according to the present invention

Fig. 8 is a perspective view of a welding structure of an input/output structure of a filter that can be directly connected to a PCB according to the present invention;

fig. 9 is an open-cover front view of a filter input/output structure directly connectable to a PCB according to the present invention.

In the figure: 1. a cavity; 2. a cover plate; 3. a cover plate fixing screw; 4. a tuning screw; 5. an output connector fixing screw; 6. an output connector; 7. an input connector; 8. an input joint fixing screw; 9. inputting a PCB matching board; 10. inputting a PCB matching board fixing screw; 11. outputting a PCB matching board; 12. outputting a PCB matching board fixing screw; 13. debugging a clamp; 14. an output port resonator; 15. an output port resonator fixing screw; 16. a capacitive coupling copper sheet; 17. fixing a support piece by a capacitive coupling copper sheet; 18. the input and output microstrip line is matched with the copper sheet; 19. a separator plate; 20. the spacer fixes the screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example (b):

1. referring to fig. 1 to 9, a filter input-output structure directly connectable to a PCB board, includes:

the debugging clamp 13 is detachably connected with a partition plate 19 through a partition plate fixing screw 20, disassembly is convenient, a cavity 1 is arranged on the upper side of the partition plate 19, a cover plate 2 is arranged on the upper side of the cavity 1, threaded holes are formed in the cover plate 2 and the cavity 1, the cover plate fixing screw 3 is sleeved in the threaded hole to detachably connect the cover plate 2 and the cavity 1, assembly is convenient, 8 cover plate fixing screws 3 are arranged and uniformly fixed on the cover plate 2, the structure is firmer, tuning screws 4 are detachably connected to the cover plate 2, 21 tuning screws 4 are arranged, and the 21 tuning screws 4 are uniformly distributed on the cover plate 2 according to rules and are used for adjusting the coupling zero point of the capacitor;

the inner side of the cavity 1 is fixed with output port resonators 14 by screws, the number of the output port resonators 14 is 10, 10 output port resonators 14 are detachably connected to a debugging clamp 13 through output port resonator fixing screws 15 to facilitate adjustment of the output port resonators 14, the lower sides of the output port resonators 14 at two ends are welded with input and output microstrip line matching copper sheets 18 by soldering, the two input and output microstrip line matching copper sheets 18 extend outwards to facilitate direct connection of a PCB, the left side of the debugging clamp 13 is provided with an output PCB matching board 11, the output PCB matching board 11 is positioned at the left end of the cavity 1, the output PCB matching board 11 is detachably connected to the debugging clamp 13 through an output PCB matching board fixing screw 12 to facilitate replacement and disassembly of the output PCB matching board 11, the number of the output PCB matching board fixing screws 12 is 4, and the output PCB matching board fixing screws are uniformly distributed at four corners of the output PCB matching board 11, the output PCB matching board 11 is more tightly attached to the cavity 1, poor signal transmission contact is prevented, the output PCB matching board 11 is connected with the input and output microstrip line matching copper sheet 18, and the defect that the output PCB matching board cannot be directly connected with a PCB integrated circuit is overcome;

an input PCB matching board 9 is fixed on the right side of a debugging clamp 13, the input PCB matching board 9 is positioned at the right end of a cavity 1, the input PCB matching board 9 is detachably connected to the debugging clamp 13 through input PCB matching board fixing screws 10, 4 input PCB matching board fixing screws 10 are arranged and evenly distributed at four corners of the input PCB matching board 9, the input PCB matching board 9 is convenient to replace and disassemble, 4 output PCB matching board fixing screws 12 are arranged and evenly distributed at four corners of an output PCB matching board 11, so that the input PCB matching board 9 is more tightly attached to the cavity 1, poor signal transmission contact is prevented, one end of the input PCB matching board 9 is connected with a raised head of an input connector 7, the other end of the input PCB matching board 9 is connected with an input/output matching copper sheet 18, and the defect that a microstrip line cannot be directly connected with a PCB integrated circuit is overcome;

a capacitive coupling copper sheet 16 is fixed to the lower side of the right output port resonator 14 through bolts, a capacitive coupling copper sheet fixing support piece 17 is detachably connected to the capacitive coupling copper sheet 16, the capacitive coupling copper sheet 16 is connected with the 2 output port resonators 14 through the capacitive coupling copper sheet fixing support piece 17, and the bolts are fixed and convenient to replace;

an output connector 6 is fixed on the outer wall of the left side of a debugging clamp 13, the output connector 6 is detachably connected on the debugging clamp 13 through an output connector fixing screw 5, the output connector 6 is convenient to detach and replace, an input connector 7 is fixed on the outer wall of the right side of the debugging clamp 13, the input connector 7 is detachably connected on the debugging clamp 13 through an input connector fixing screw 8, the output connector 7 is convenient to detach and replace, 4 output connector fixing screws 5 are arranged, 4 output connector fixing screws 5 are uniformly distributed at the four corners of the output connector 6, so that the output connector 6 is more tightly attached to a cavity 1, the signal transmission contact failure is prevented, 4 input connector fixing screws 8 are arranged, 4 input connector fixing screws 8 are uniformly distributed at the four corners of the input connector 7, the input connector 7 is more tightly attached to the cavity 1, and the signal transmission contact failure is prevented, one end of an output PCB matching board 11 is connected with the raised head of the output connector 6, and the other end of the output PCB matching board 11 is connected with an input/output microstrip line matching copper sheet 18, so that the direct connection of a PCB integrated circuit is realized;

the debugging clamp 13 is provided with a threaded hole, the partition plate 19 is internally provided with a threaded hole matched with the debugging clamp 13, the partition plate 19 and the debugging clamp 13 are detachably connected through a partition plate fixing screw 20, and the bottom end of the cover plate fixing screw 3 is higher than the top end of the partition plate fixing screw 20, so that the cover plate 3 is fixed conveniently;

in the invention, the input and output microstrip line matching copper sheets 18 are respectively welded to the outer sides of the output port resonators 14 at the left and right ends by adopting a soldering method, so that the defect that the input and output of the conventional filter cannot be directly connected with a PCB integrated circuit is overcome, the structure of an input and output connector of the conventional filter is replaced, the filter is directly connected with the PCB integrated circuit, the processing cost and the batch cost are low, the stability and the consistency are higher, and the operability is strong.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.