CN209749007U - Parallel active anti-interference filter - Google Patents
Parallel active anti-interference filter Download PDFInfo
- Publication number
- CN209749007U CN209749007U CN201821799395.6U CN201821799395U CN209749007U CN 209749007 U CN209749007 U CN 209749007U CN 201821799395 U CN201821799395 U CN 201821799395U CN 209749007 U CN209749007 U CN 209749007U
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- module
- motor
- apf
- noise reduction
- box body
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Abstract
The utility model discloses an active anti interference filter of parallelly connected type, including the box, the top of box is provided with the heat dissipation frame, and the top of heat dissipation frame is provided with the canopy, and control button's bottom is provided with the blow vent, and the internally mounted of canopy has the motor, and the one end of motor is connected with the flabellum, and the box is from interior to exterior including at noise reduction layer, anti interference layer and casing, the inside check that absorb moisture that is provided with in bottom on noise reduction layer, and the bottom of APF module is provided with temperature sensor. The utility model discloses a setting can effectively reduce the thermal noise that the during operation produced such as wave filter internal resistance and fortune are put at the noise reduction layer, set up electromagnetic shielding performance and reach 56 dB's anti jamming layer, can guarantee that outside electromagnetism does not cause adverse effect to the inner member of wave filter, set up motor and fan at active filter's top simultaneously and after being provided with temperature sensor and sending out the police dispatch newspaper to control module inside the wave filter, the motor drives the fan and rotates to can greatly the degree reduce active filter's inside heat.
Description
Technical Field
the utility model relates to a wave filter, in particular to parallelly connected type active anti interference filter.
Background
The filter consisting of RC elements and operational amplifiers is called an RC active filter, and functions to pass signals in a certain frequency range and to suppress or sharply attenuate signals outside this frequency range. The method can be used in the aspects of information processing, data transmission, interference suppression and the like.
However, the common active filter has the problem that the working efficiency of internal electrical components becomes low or filtering cannot be performed due to the heat dissipation problem, and meanwhile, various resistors, operational amplifiers and the like arranged in the active filter generate thermal noise when working, so that the circuit noise is increased, and the performance of the filter is reduced.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide an active anti interference filter of parallelly connected type, the heat-sinking capability of increase active radiator that can be very big accomplishes high noise reduction nature simultaneously, has improved active filter's effective filtering nature.
In order to solve the technical problem, the utility model provides a following technical scheme:
The utility model relates to a parallel active anti-interference filter, which comprises a box body, the top of the box body is provided with a heat dissipation frame, the top of the heat dissipation frame is provided with a rain shed, the outer surface of the box body is provided with a display screen, a plurality of control buttons are arranged around the display screen, the bottom of the control buttons is provided with vent holes, the bottom of the box body is provided with a cushion pad, a handle is arranged between the control buttons and the vent holes, the inside of the rain shed is provided with a motor, one end of the motor is connected with fan blades, the box body comprises a noise reduction layer, an anti-interference layer and a shell from inside to outside, a moisture absorption grid is arranged inside the bottom end of the noise reduction layer, a plurality of APF modules are arranged inside the box body, the top of the APF modules is provided with an APF system module, the bottom of the APF modules is provided with a temperature sensor, the input end of the control module is connected with a power supply module, and the APF module is arranged in the convection cavity.
As a preferred technical solution of the present invention, the type of the temperature sensor is pt 100.
As an optimized technical scheme of the utility model, the motor is connected with the flabellum transmission.
As an optimized technical scheme of the utility model, the anti-interference layer is formed by the preparation of multi-walled carbon nanotube material.
As an optimized technical proposal of the utility model, the noise reduction layer is made of wave crest cotton material.
As a preferred technical scheme of the utility model, power module is control module, temperature sensor, APF module, APF system module, motor, control button and display screen telecommunications connection respectively.
Compared with the prior art, the beneficial effects of the utility model are as follows:
The utility model discloses a setting can effectively reduce the thermal noise that the during operation produced such as wave filter internal resistance and fortune are put at the noise reduction layer, set up electromagnetic shielding performance and reach 56 dB's anti jamming layer, can guarantee that outside electromagnetism does not cause adverse effect to the inner member of wave filter, set up motor and fan at active filter's top simultaneously and after being provided with temperature sensor and sending out the police dispatch newspaper to control module inside the wave filter, the motor drives the fan and rotates to can greatly the degree reduce active filter's inside heat.
Drawings
the accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
Fig. 1 is a schematic view of the overall structure of the present invention;
Fig. 2 is a schematic sectional structure of the present invention;
In the figure: 1. a box body; 2. a canopy; 3. a heat dissipation frame; 4. a display screen; 5. a control button; 6. a handle; 7. a vent; 8. a cushion pad; 9. a motor; 10. a fan blade; 11. an APF system module; 12. a convection chamber; 13. an APF module; 14. a control module; 15. a housing; 16. a power supply module; 17. a temperature sensor; 18. a moisture absorption grid; 19. an anti-interference layer; 20. and a noise reduction layer.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention. Wherein like reference numerals refer to like parts throughout.
Example 1
As shown in fig. 1-2, the utility model provides a parallel active anti-interference filter, which comprises a box body 1, a heat dissipation frame 3 is arranged on the top of the box body 1, a rain shed 2 is arranged on the top of the heat dissipation frame 3, a display screen 4 is arranged on the outer surface of the box body 1, a plurality of control buttons 5 are arranged around the display screen 4, vent holes 7 are arranged on the bottom of the control buttons 5, a buffer pad 8 is arranged on the bottom of the box body 1, a handle 6 is arranged between the control buttons 5 and the vent holes 7, a motor 9 is arranged inside the rain shed 2, one end of the motor 9 is connected with a fan blade 10, the box body 1 comprises a noise reduction layer 20, an anti-interference layer 19 and a shell 15 from inside to outside, a moisture absorption grid 18 is arranged inside the bottom of the noise reduction layer 20, a plurality of APF modules 13 are arranged inside the box body 1, an APF system module 11 is arranged on, the bottom of the temperature sensor 17 is provided with an input end connected with the control module 14, the input end of the control module 14 is connected with the power supply module 16, and the APF module 13 is arranged inside the convection cavity 12.
Furthermore, the type of the temperature sensor 17 is pt100, and the temperature sensor 17 of the type has high precision, high transmission rate and low cost.
The motor 9 is connected with the fan blade 10 in a transmission mode, the motor 9 can drive the fan blade 10 to rotate, air convection is formed between the motor 9 and the air vent 7 inside the active filter, and heat formed inside the active filter is effectively conducted out and dissipated through the air convection, so that the heat dissipation performance is high.
The anti-interference layer 19 is made of a multi-wall carbon nanotube material, and the electromagnetic shielding performance of the anti-interference layer 19 made of the material can reach 56dB and is improved by more than 60% compared with that of a common material.
The noise reduction layer 20 is made of a wave crest cotton material, the surface of the material is formed into sponge with a convex-concave wave shape, and the sponge is filled with fine gaps and a half-open pore structure inside, so that a large amount of incident sound energy can be absorbed to attenuate sound waves, the interference and the reverberation of reflected sound are reduced, the sound purity is improved, and the material is a high-performance product of the sound absorption and noise reduction material.
The power module 16 is respectively in telecommunication connection with the control module 14, the temperature sensor 17, the APF module 13, the APF system module 11, the motor 9, the control buttons 5 and the display screen 4, and provides electric energy for the devices to ensure the devices to normally operate.
Specifically, the top end of the active filter is provided with the canopy 2, which can effectively prevent the filter body from being damaged due to the falling of rainwater or other sundries, meanwhile, the canopy 2 can effectively reduce the dust from entering the inside of the filter from the heat dissipation frame 3, the motor is arranged inside the canopy 2, the motor 9 is in transmission connection with the fan blade 10, the motor 9 can drive the fan blade 10 to rotate, so that air convection is formed inside the active filter with the air vent 7, the heat formed inside the active filter is effectively led out and dissipated through the air convection, and the heat dissipation performance is high, the anti-interference layer 19 included in the box body 1 is made of multi-wall carbon nanotube material, the electromagnetic shielding performance of the anti-interference layer made of the material can reach 56dB and is improved by more than 60 percent compared with that of common material, meanwhile, the anti-noise layer 20 is arranged aiming at the internal noise performance of the active filter, and the anti-noise layer 20 is made, the surface of the material forms a sponge with a convex-concave wave shape on one surface, the sponge is filled with fine gaps and a half-open hole structure in the material, the sponge can absorb a large amount of incident sound wave energy to attenuate sound waves, the interference and the reverberation of reflected sound are reduced, the purity of sound is improved, the sponge is a high-performance product of the sound-absorbing and bath-reducing material, a power supply module 16 is respectively in telecommunication connection with a control module 14, a temperature sensor 17, an APF module 13, an APF system module 11, a motor 9, a control button 5 and a display screen 4, the power supply module 14 provides electric energy for the devices to ensure the devices to normally operate, and the temperature sensor 17 with the model of pt100 is arranged, the temperature sensor 17 of this type has high accuracy, high transfer rate, and low cost, and when the internal temperature of the active filter is too high, the temperature sensor 17 gives an alarm to the control module 14, and the control module 14 controls the motor 9 to start so as to dissipate heat.
to sum up, the utility model discloses a setting can effectively reduce the thermal noise that the during operation produced such as wave filter internal resistance and fortune are put at noise reduction layer 20, set up electromagnetic shielding performance and reach 56 dB's anti-interference layer, can guarantee that outside electromagnetism does not cause adverse effect to the inner member of wave filter, set up motor 9 and fan 10 at active filter's top simultaneously and after being provided with temperature sensor 17 and send out the police dispatch newspaper to control module 14 when the wave filter is inside, motor 9 drives fan 10 and rotates to can greatly reduce active filter's inside heat.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The parallel active anti-interference filter comprises a box body (1) and is characterized in that a heat dissipation frame (3) is arranged at the top of the box body (1), a rain shed (2) is arranged at the top of the heat dissipation frame (3), a display screen (4) is installed on the outer surface of the box body (1), a plurality of control buttons (5) are installed on the periphery of the display screen (4), vent holes (7) are formed in the bottoms of the control buttons (5), a cushion pad (8) is arranged at the bottom of the box body (1), a handle (6) is arranged between the control buttons (5) and the vent holes (7), a motor (9) is installed inside the rain shed (2), fan blades (10) are connected to one end of the motor (9), and the box body (1) comprises a noise reduction layer (20), an anti-interference layer (19) and a shell (15) from inside to outside, the improved noise reduction box is characterized in that a moisture absorption grid (18) is arranged inside the bottom end of the noise reduction layer (20), a plurality of APF modules (13) are arranged inside the box body (1), an APF system module (11) is arranged on the top of each APF module (13), a temperature sensor (17) is arranged at the bottom of each APF module (13), the bottom of each temperature sensor (17) is provided with an input end connected with a control module (14), the input end of each control module (14) is connected with a power supply module (16), and each APF module (13) is arranged inside the corresponding convection cavity (12).
2. A parallel active antijam filter according to claim 1, characterized in that the temperature sensor (17) is of the type pt 100.
3. A parallel active antijam filter according to claim 1, characterized in that the motor (9) is drivingly connected to the fan blades (10).
4. A parallel active antijam filter according to claim 1, characterized in that the antijam layer (19) is made of multi-walled carbon nanotube material.
5. A parallel active antijam filter according to claim 1, characterized in that the noise reduction layer (20) is made of a wave-peak cotton material.
6. a parallel active antijam filter according to claim 1, characterized by the fact that the power supply module (16) is connected by telecommunication to the control module (14), the temperature sensor (17), the APF module (13), the APF system module (11), the motor (9), the control buttons (5) and the display screen (4), respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821799395.6U CN209749007U (en) | 2018-11-02 | 2018-11-02 | Parallel active anti-interference filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821799395.6U CN209749007U (en) | 2018-11-02 | 2018-11-02 | Parallel active anti-interference filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209749007U true CN209749007U (en) | 2019-12-06 |
Family
ID=68702175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821799395.6U Expired - Fee Related CN209749007U (en) | 2018-11-02 | 2018-11-02 | Parallel active anti-interference filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209749007U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113054937A (en) * | 2021-03-29 | 2021-06-29 | 费籁电气(上海)有限公司 | Blade-shaped cold piece for APF filter |
| CN113263008A (en) * | 2021-05-19 | 2021-08-17 | 徐州中安防爆电器制造有限公司 | Mining monitor capable of automatically cleaning screen |
-
2018
- 2018-11-02 CN CN201821799395.6U patent/CN209749007U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113054937A (en) * | 2021-03-29 | 2021-06-29 | 费籁电气(上海)有限公司 | Blade-shaped cold piece for APF filter |
| CN113054937B (en) * | 2021-03-29 | 2022-10-28 | 费籁电气(上海)有限公司 | Blade-shaped cold piece for APF filter |
| CN113263008A (en) * | 2021-05-19 | 2021-08-17 | 徐州中安防爆电器制造有限公司 | Mining monitor capable of automatically cleaning screen |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191206 Termination date: 20201102 |