CN212324076U - High shielding performance signal filter - Google Patents
High shielding performance signal filter Download PDFInfo
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- CN212324076U CN212324076U CN202021173674.9U CN202021173674U CN212324076U CN 212324076 U CN212324076 U CN 212324076U CN 202021173674 U CN202021173674 U CN 202021173674U CN 212324076 U CN212324076 U CN 212324076U
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Abstract
The utility model discloses a high shielding performance signal filter, which relates to the technical field of signal filters and comprises a signal filter shell, an induction alarm, a mounting plate, an isolation shielding component and a sealing component, wherein the induction alarm is arranged on the outer side of the signal filter shell and is electrically connected with an internal shielding device of the signal filter shell, and a mounting bolt is arranged at one end of the outer side of the signal filter shell, the utility model adds a shielding sponge, a connecting column, an expansion sleeve and a connecting hole, the design can fill the gap between the shielding plate and the opening, thereby improving the effect of signal shielding, and a plurality of groups of spring leather sleeves and signal wire connecting holes are arranged on the outer side of the signal filter shell and the surface of the mounting plate, thereby connecting a plurality of groups of signal shielding devices and solving the problem of incomplete signal shielding at the opening in the prior art, poor shielding effect.
Description
Technical Field
The utility model relates to a signal filter specifically is a high shielding performance signal filter.
Background
Filtering is an important concept in signal processing. Classical filtering and modern filtering. The concept of classical filtering is an engineering concept proposed based on fourier analysis and transformation. According to higher mathematical theories, any signal satisfying a certain condition can be regarded as being formed by superposition of infinite sine waves. In other words, the engineering signal is a linear superposition of sine waves with different frequencies, and the sine waves with different frequencies constituting the signal are called frequency components or harmonic components of the signal. Circuits that allow only signal components within a certain frequency range to pass normally, while preventing another part of the frequency components from passing, are called classical filters or filter circuits.
The analog electronic circuit is used for filtering the analog signal, and the basic principle is to select frequency components in the signal by using the frequency characteristics of the circuit. When filtering according to frequency, the signal is regarded as an analog signal formed by superposing sine waves with different frequencies, and the signal filtering is realized by selecting different frequency components.
The signal filter in the prior art can only be connected with the disadvantage of a group of shielding devices, and the connecting part of the connecting wire is provided with an opening, so that the signal at the opening is not completely shielded, and the shielding effect is poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high shielding performance signal filter, through having added the shielding sponge, the spliced pole, the expansion sleeve, and the connecting hole, this design can be filled the gap between shield plate and the opening, signal shielding's effect has been improved, there are multiunit spring leather sheath and signal line connecting hole through the surface mounting at the outside of signal filter casing and mounting panel, multiunit signal shielding equipment can be connected, with the drawback that a set of shielding equipment can only be connected to the signal filter who proposes in solving above-mentioned background art, and all there is the open-ended in the junction of connecting wire, the signal shielding of opening part is incomplete, the poor problem of shielding effect.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high shielding performance signal filter, includes signal filter casing, response siren, mounting panel, isolation shielding subassembly and seal assembly, the outside installation of signal filter casing the response siren, the response siren with the inside shield assembly electricity of signal filter casing is connected, mounting bolt is installed to the outside one end of signal filter casing, mounting bolt runs through the signal filter casing, the outside installation of signal filter casing the mounting panel, the both ends of mounting panel are provided with the screw, the inside of signal filter casing is provided with the second signal line, the second signal line runs through the signal filter casing, just the second signal line is kept away from the one end connection power source of signal filter casing.
Preferably, the signal line connecting hole is installed in the outside of mounting panel, the signal line connecting hole is kept away from the nut is installed to the one end of mounting panel, the inboard of nut is provided with the spring leather sheath, the inside of spring leather sheath is provided with first signal line, the nut the spring leather sheath with first signal line all is provided with two sets ofly, and installs respectively the both sides position of mounting panel.
Preferably, keep apart shielding subassembly and include pressure disk, shield plate and opening, the shield plate is installed the outside of signal filter casing, the outside of shield plate sets up the pressure disk, the centre of pressure disk is provided with the hole, just the inboard installation of hole the second signal line, the bottom of pressure disk is connected with the threaded rod, the threaded rod is kept away from the one end of pressure disk is provided with the screw hole, the outside of shield plate sets up the opening.
Preferably, seal assembly includes shielding sponge, inflation sleeve pipe and spliced pole, the shielding sponge is installed the up end of shield plate, the spliced pole is provided with four, just the spliced pole is fixed respectively four edges and corners of shield plate are located, the inflation sleeve pipe is provided with four, the inflation sleeve pipe is installed respectively the outside of spliced pole.
Preferably, the outer side of the signal filter shell is provided with a plurality of groups of connecting holes, and the expansion sleeve and the connecting column are assembled inside the connecting holes.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses having added shielding sponge, spliced pole, expansion sleeve and connecting hole, this design can be filled the gap between shield plate and the opening, has improved signal shielding's effect, and the signal shielding of having solved among the prior art opening part is incomplete, shields the poor problem of effect.
2. There are multiunit spring leather sheath and signal line connecting hole through the surface mounting in the outside of signal filter casing and mounting panel, can play the guard action well to the signal line through the spring leather sheath, guarantee that it can not split because of the fastening effect of nut, through installing multiunit signal line connecting hole, can connect multiunit signal shielding equipment, solved traditional signal filter can only connect a set of shielding equipment's drawback, also improved the shielding effect simultaneously.
Drawings
Fig. 1 is a perspective view of the present invention;
fig. 2 is a side view of the present invention;
FIG. 3 is a block diagram of the isolation shield assembly of the present invention;
FIG. 4 is a block diagram of the seal assembly of the present invention;
in the figure: 1-signal filter shell, 2-induction alarm, 3-mounting bolt, 4-nut, 5-spring leather sheath, 6-mounting plate, 7-first signal wire, 8-second signal wire, 9-signal wire connecting hole, 10-shielding sponge, 11-pressing plate, 12-shielding plate, 14-opening, 15-threaded rod, 16-threaded hole, 17-expansion sleeve and 18-connecting column.
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, the present invention provides an embodiment: the utility model provides a high shielding performance signal filter, including signal filter casing 1, response siren 2, mounting panel 6, keep apart shielding subassembly and sealing assembly, signal filter casing 1's outside installation response siren 2, response siren 2 is connected with signal filter casing 1's inside shield assembly electricity, mounting bolt 3 is installed to signal filter casing 1's outside one end, mounting bolt 3 runs through signal filter casing 1, signal filter casing 1's outside installation mounting panel 6, the both ends of mounting panel 6 are provided with the screw, signal filter casing 1's inside is provided with second signal line 8, second signal line 8 runs through signal filter casing 1, and the one end connection power that signal filter casing 1 was kept away from to second signal line 8.
The induction alarm 2 is electrically connected with the internal shielding device of the signal filter shell 1, and when the device senses a fault, a worker can be timely informed to overhaul.
In this implementation, signal line connecting hole 9 is installed in the outside of mounting panel 6, and the one end that mounting panel 6 was kept away from to signal line connecting hole 9 is installed nut 4, and the inboard of nut 4 is provided with spring leather sheath 5, and the inside of spring leather sheath 5 is provided with first signal line 7, and nut 4, spring leather sheath 5 and first signal line 7 all are provided with two sets ofly, and install the both sides position at mounting panel 6 respectively.
Through the surface mounting at the outside of signal filter casing 1 and mounting panel 6 there are multiunit spring leather sheath 5 and signal line connecting hole 9, can play the guard action well to the signal line through spring leather sheath 5, through installing multiunit signal line connecting hole 9, can connect multiunit signal shielding equipment, solved traditional signal filter can only connect the drawback of a set of shielding equipment, also improved the shielding effect simultaneously.
In this implementation, keep apart shielding subassembly and include pressure disk 11, shield plate 12 and opening 14, and the outside at signal filter casing 1 is installed to shield plate 12, and the outside of shield plate 12 sets up pressure disk 11, and the centre of pressure disk 11 is provided with the hole, and the inboard installation second signal line 8 of hole, and the bottom of pressure disk 11 is connected with threaded rod 15, and the one end that the pressure disk 11 was kept away from to threaded rod 15 is provided with screw hole 16, and the outside of shield plate 12 sets up opening 14.
Through the design of the isolation shielding component, the labor intensity of workers during assembly of the threaded rod 15 is reduced, the stability of the shielding sponge 10 after installation is improved, meanwhile, dust can be prevented from falling into the isolation shielding component through the opening 14, the use is convenient, the structure is simple, and the signal shielding effect is good.
In this implementation, seal assembly includes shielding sponge 10, expansion sleeve 17 and spliced pole 18, and shielding sponge 10 installs the up end at shield plate 12, and spliced pole 18 is provided with four, and spliced pole 18 fixes respectively in four edges and corners of shield plate 12, and expansion sleeve 17 is provided with four, and expansion sleeve 17 installs the outside at spliced pole 18 respectively.
The sealing assembly can fill the gap between the shielding plate 12 and the opening 14, so that the signal shielding effect is improved, and the problem of poor shielding effect is solved.
In this embodiment, the outer side of the signal filter housing 1 is provided with a plurality of sets of connection holes, and the expansion sleeve 17 and the connection post 18 are fitted inside the connection holes.
Through being provided with multiunit connecting hole, expansion sleeve 17 and spliced pole 18 in the outside at signal filter casing 1, this design can fill the gap between shield plate 12 and the opening 14, has improved the effect of signal shielding, has solved the signal shielding incomplete of opening 14 department among the prior art, and the shielding effect is poor problem.
The working principle is as follows:
step 1: the utility model discloses having added shielding sponge 10, spliced pole 18, expansion sleeve 17 and connecting hole, this design can be filled the gap between shield plate 12 and the opening 14, has improved signal shielding's effect, and the signal shielding of having solved among the prior art opening 14 department is incomplete, shields the poor problem of effect.
Step 2: through the surface mounting at the outside of signal filter casing 1 and mounting panel 6 there are multiunit spring leather sheath 5 and signal line connecting hole 9, can play the guard action well to the signal line through spring leather sheath 5, guarantee that it can not split because of the fastening effect of nut 4, through installing multiunit signal line connecting hole 9, multiunit signal shielding equipment can be connected, the drawback that traditional signal filter can only connect a set of shielding equipment has been solved, the shielding effect has also been improved simultaneously.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. A high shielding performance signal filter, includes signal filter casing (1), response siren (2), mounting panel (6), isolation shielding subassembly and seal assembly, its characterized in that: the outside installation of signal filter casing (1) response siren (2), response siren (2) with the inside shield assembly electricity of signal filter casing (1) is connected, mounting bolt (3) are installed to the outside one end of signal filter casing (1), mounting bolt (3) run through signal filter casing (1), the outside installation of signal filter casing (1) mounting panel (6), the both ends of mounting panel (6) are provided with the screw, the inside of signal filter casing (1) is provided with second signal line (8), second signal line (8) run through signal filter casing (1), just second signal line (8) are kept away from the one end connection power supply of signal filter casing (1).
2. The high shielding performance signal filter of claim 1, wherein: signal line connecting hole (9) are installed in the outside of mounting panel (6), keep away from signal line connecting hole (9) nut (4) are installed to the one end of mounting panel (6), the inboard of nut (4) is provided with spring leather sheath (5), the inside of spring leather sheath (5) is provided with first signal line (7), nut (4) spring leather sheath (5) with first signal line (7) all are provided with two sets ofly, and install respectively the both sides position of mounting panel (6).
3. The high shielding performance signal filter of claim 1, wherein: keep apart shielding subassembly and include pressure disk (11), shield plate (12) and opening (14), shield plate (12) are installed the outside of signal filter casing (1), the outside of shield plate (12) sets up pressure disk (11), the centre of pressure disk (11) is provided with the hole, just the inboard installation of hole second signal line (8), the bottom of pressure disk (11) is connected with threaded rod (15), threaded rod (15) are kept away from the one end of pressure disk (11) is provided with screw hole (16), the outside of shield plate (12) sets up opening (14).
4. A high shielding performance signal filter according to claim 3, wherein: seal assembly includes shielding sponge (10), expansion sleeve (17) and spliced pole (18), install shielding sponge (10) the up end of shield plate (12), spliced pole (18) are provided with four, just spliced pole (18) are fixed respectively four edges and corners department of shield plate (12), expansion sleeve (17) are provided with four, expansion sleeve (17) are installed respectively the outside of spliced pole (18).
5. The high shielding performance signal filter of claim 4, wherein: the outer side of the signal filter shell (1) is provided with a plurality of groups of connecting holes, and the expansion sleeve (17) and the connecting column (18) are assembled inside the connecting holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021173674.9U CN212324076U (en) | 2020-06-22 | 2020-06-22 | High shielding performance signal filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021173674.9U CN212324076U (en) | 2020-06-22 | 2020-06-22 | High shielding performance signal filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212324076U true CN212324076U (en) | 2021-01-08 |
Family
ID=74027729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021173674.9U Active CN212324076U (en) | 2020-06-22 | 2020-06-22 | High shielding performance signal filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212324076U (en) |
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2020
- 2020-06-22 CN CN202021173674.9U patent/CN212324076U/en active Active
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