CN107769753A - A kind of reconfigurable filter and complex filter - Google Patents
A kind of reconfigurable filter and complex filter Download PDFInfo
- Publication number
- CN107769753A CN107769753A CN201710850382.0A CN201710850382A CN107769753A CN 107769753 A CN107769753 A CN 107769753A CN 201710850382 A CN201710850382 A CN 201710850382A CN 107769753 A CN107769753 A CN 107769753A
- Authority
- CN
- China
- Prior art keywords
- permanent magnet
- sole piece
- filter
- fixedly connected
- housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000004804 winding Methods 0.000 claims abstract description 12
- 238000002372 labelling Methods 0.000 claims description 8
- 230000008901 benefit Effects 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005307 ferromagnetism Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Landscapes
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
Abstract
The invention discloses a kind of reconfigurable filter and complex filter, its structure includes external device (ED), housing, external cushion rubber, pin, interior arrangement, the outside of the external cushion rubber is provided with pin, the pin is fixedly connected with the casing by external cushion rubber, the interior arrangement is by permanent magnet, sole piece, resistance, grid forms, the interior arrangement is provided with permanent magnet, the lower section of the permanent magnet is provided with sole piece, the sole piece is fixedly connected with the casing by permanent magnet, the lower section of the sole piece is provided with resistance, the resistance is fixedly connected with sole piece, the side of the permanent magnet is provided with grid, the grid is fixedly connected by sole piece with permanent magnet.A kind of reconfigurable filter and complex filter of the present invention, can be by setting double copper wire windings add the stability of wave filter, can be by way of reconfigurable filter be set and complex filter is combined, to increase the effective utilization of wave filter, it is simple in construction, it is easy to accomplish.
Description
Technical field
The present invention is a kind of reconfigurable filter and complex filter, belongs to wave filter technology field.
Background technology
Wave filter, it is the device filtered to ripple as its name suggests." ripple " is a very extensive physical concept,
Electronic technology field, the value that " ripple " is narrowly confined to refer in particular to describe various physical quantitys with time fluctuations process.
The process is converted into the function of time of voltage or electric current by the effect of various kinds of sensors, referred to as various physical quantitys when
Between waveform, or referred to as signal.
Prior art discloses a kind of reconfigurable filter and complex filter.Existing wave filter can be in power line
Frequency beyond the frequency of specific frequency or the frequency is effectively filtered out, and obtains the power supply signal of a specific frequency, or disappear
Except the power supply signal after a specific frequency, but in actual use, stability need to be improved, next effective utilization
Unicity, also turn into and hinder wave filter to be difficult to one of hidden danger for using steadily in the long term, these are all that physical presence is also badly in need of solving
The problem of.
The content of the invention
In view of the deficienciess of the prior art, a kind of reconfigurable filter and complex filter of the present invention, its structure bag
External device (ED), housing, external cushion rubber, pin, interior arrangement are included, the external device (ED) is provided with housing, the side of the housing
Provided with external cushion rubber, the external cushion rubber is fixedly connected by housing with external device (ED), and the outside of the external cushion rubber, which is provided with, draws
Pin, the pin are fixedly connected with the casing by external cushion rubber, and the interior arrangement is by permanent magnet, sole piece, resistance, grid group
Into the interior arrangement is provided with permanent magnet, and the lower section of the permanent magnet is provided with sole piece, and the sole piece passes through permanent magnet and housing
It is fixedly connected, the lower section of the sole piece is provided with resistance, and the resistance is fixedly connected with sole piece, and the side of the permanent magnet is provided with lattice
Grid, the grid are fixedly connected by sole piece with permanent magnet.
Further, the surface of the housing is provided with circuit labeling, and the circuit labeling is connected with housing adhesion.
Further, the side of the external device (ED) is provided with fixed ear, and the fixed ear shows to be provided with fixed earhole, institute
Fixed earhole is stated to be fixedly connected with external device (ED) by fixed ear.
Further, the surface of the pin is provided with pin bores, and the pin bores are fixed by pin and external cushion rubber to be connected
Connect.
Further, the inside of the grid is provided with copper wire winding, and the copper wire winding passes through grid and permanent magnetism ferromagnetism
Connection.
Further, the end of the sole piece is provided with circuit pins, and the circuit pins are fixedly connected by sole piece with grid.
Further, electric energy amplifier is provided with the resistance, in the application of instrument amplifier, common mode input by
Any common-mode noise composition picked up is examined in Dc bias (VS/2) and input line from bridge.A part for common-mode voltage always goes out
The output end of present instrument amplifier, the Gain in formula are the difference mode gains of amplifier, and Vcm is common mode electricity existing for input
Pressure, Vout is result of the common mode input in output end.Occurrence is substituted into, the increasing as set by AD620 integrates instrument amplifier
When benefit is 10, CMRR 100dB, common-mode voltage is 2.5V in figure, and it is 250mV to obtain it in the voltage of output end.Have and set above
It is fixed, it is noted that as the output voltage caused by inputting and export offset voltage to be about 1.5mV, this explanation is used as error source, CMRR
Offset voltage is not important.
A kind of reconfigurable filter and complex filter of the present invention, has the beneficial effect that：
The reconfigurable filter and complex filter add the steady of device by setting two groups of copper wire windings in the inside of housing
It is qualitative, set reconfigurable filter and complex filter to add the applicability of device, be easy to strengthen effective utilization.
Brief description of the drawings
The detailed description made by reading with reference to the following drawings to non-limiting example, further feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is a kind of reconfigurable filter of the present invention and complex filter structural representation.
Fig. 2 is a kind of reconfigurable filter of the present invention and complex filter schematic internal view.
Fig. 3 is a kind of reconfigurable filter of the present invention and complex filter amplifying circuit schematic diagram.
Fig. 4 is a kind of reconfigurable filter of the present invention and complex filter circuit schematic diagram 1.
In figure：External device (ED) -1, housing -2, circuit labeling -3, fixed ear -4, fixed earhole -5, external cushion rubber -6, draw
Pin -7, pin bores -8, interior arrangement -9, permanent magnet -10, sole piece -11, resistance -12, grid -13, copper wire winding -14, circuit
Pin -15.
Embodiment
To be easy to understand the technical means, the inventive features, the objects and the advantages of the present invention, with reference to
Embodiment, the present invention is expanded on further.
Fig. 1-Fig. 4 is referred to, the present invention provides a kind of reconfigurable filter and complex filter, and its structure includes outside fill
1, housing 2, external cushion rubber 6, pin 7, interior arrangement 9 are put, the external device (ED) 1 is provided with housing 2, the side of the housing 2
Provided with external cushion rubber 6, the external cushion rubber 6 is fixedly connected by housing 2 with external device (ED) 1, and the outside of the external cushion rubber 6 is set
Have pin 7, the pin 7 is fixedly connected by external cushion rubber 6 with housing 2, the interior arrangement 9 by permanent magnet 10, sole piece 11,
Resistance 12, grid 13 form, and the interior arrangement 9 is provided with permanent magnet 10, and the lower section of the permanent magnet 10 is provided with sole piece 11, institute
State sole piece 11 to be fixedly connected with housing 2 by permanent magnet 10, the lower section of the sole piece 11 is provided with resistance 12, the resistance 12 and bottom
Block 11 is fixedly connected, and the side of the permanent magnet 10 is provided with grid 13, and the grid 13 is fixed by sole piece 11 and permanent magnet 10
Connection, the surface of the housing 2 are provided with circuit labeling 3, and the circuit labeling 3 is connected with the adhesion of housing 2, the external device (ED) 1
Side be provided with fixed ear 4, the fixed ear 4 shows to be provided with fixed earhole 5, the fixed earhole 5 by fixed ear 4 with it is outer
Part device 1 is fixedly connected, and the surface of the pin 7 is provided with pin bores 8, and the pin bores 8 are solid by pin 7 and external cushion rubber 6
Fixed connection, the inside of the grid 13 are provided with copper wire winding 14, and the copper wire winding 14 passes through grid 13 and the magnetic of permanent magnet 10
Connection, the end of the sole piece 11 are provided with circuit pins 15, and the circuit pins 15 are fixedly connected by sole piece 11 with grid 13, described
Electric energy amplifier is provided with resistance 12, in the application of instrument amplifier, common mode input is by the Dc bias from bridge
(VS/2) any common-mode noise composition picked up and is examined in input line.A part for common-mode voltage always appears in instrument amplifier
Output end, the Gain in formula are the difference mode gains of amplifier, and Vcm is common-mode voltage existing for input, and Vout is input common mode
Result of the voltage in output end.Occurrence is substituted into, when gain is 10 as set by AD620 integrates instrument amplifier, CMRR is
100dB, common-mode voltage is 2.5V in figure, and it is 250mV to obtain it in the voltage of output end.It is set above, it is noted that by inputting
It is about 1.5mV with the output voltage caused by output offset voltage, this explanation is used as error source, and CMRR does not have offset voltage weight
Will.
A kind of reconfigurable filter and complex filter of the present invention, are set on the housing 2 of external device (ED) 1 first
One circuit labeling 3, suggesting effect is played, the fixation that fixed ear 4 on earhole 5 is easy to the later stage is fixed, secondly in interior part device 9
Two copper wire windings 14 of middle setting, copper wire winding 14 carry out effective Magnetic Induction with the copper wire winding 14 in grid 13, then
The reconfigurable filter and complex filter set up separately can increase the overall applicability of wave filter.
Main functional modules are 14-bit A/D converters and DDC.The sampled retainer of signal enters A/D converter, then
By DDC down coversions, output data is cached finally by output.Wherein DDC include 32-bit digital controlled oscillators (NCO), low pass/
The modules such as high pass half-band filter, FIR filter and fDAC/8 NCO.For this 4 modules in addition to half-band filter, remaining is can
Menu member.Therefore, there are 5 kinds of mode of operations by configuration register, DDC：Half-band filter mode of operation, export real signal number
According to；Half-band filter+FIR filter, export real signal data；32-bit NCO+ half-band filter patterns, output letter in reply number
According to；32-bit NCO+ half-band filters+FIR filter；Output letter in reply number；32-bitNCO+ half-band filters+FIR is filtered
Ripple device+fDAC/8 NCO patterns, export real signal data.User can be according to frequency, spectrum width and the output of defeated people's signal
The requirement of signal selects appropriate mode of operation.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above, for this area skill
For art personnel, it is clear that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and without departing substantially from the present invention spirit or
In the case of essential characteristic, the present invention can be realized in other specific forms.Which point therefore, no matter from the point of view of, all should incite somebody to action
Embodiment regards exemplary as, and be it is nonrestrictive, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that all changes fallen in the implication and scope of the equivalency of claim are included in the present invention
It is interior.Any reference in claim should not be considered as to the involved claim of limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (10)
1. a kind of reconfigurable filter and complex filter, its structure includes external device (ED)（1）, housing（2）, external cushion rubber（6）、
Pin（7）, interior arrangement（9）, it is characterised in that：The external device (ED)（1）It is provided with housing（2）, the housing（2）Side
Provided with external cushion rubber（6）, the external cushion rubber（6）Pass through housing（2）With external device (ED)（1）It is fixedly connected, the external cushion rubber
（6）Outside be provided with pin（7）, the pin（7）Pass through external cushion rubber（6）With housing（2）It is fixedly connected；
The interior arrangement（9）By permanent magnet（10）, sole piece（11）, resistance（12）, grid（13）Composition, the interior arrangement
（9）It is provided with permanent magnet（10）, the permanent magnet（10）Lower section be provided with sole piece（11）, the sole piece（11）Pass through permanent magnet
（10）With housing（2）It is fixedly connected, the sole piece（11）Lower section be provided with resistance（12）, the resistance（12）With sole piece（11）Gu
Fixed connection, the permanent magnet（10）Side be provided with grid（13）, the grid（13）Pass through sole piece（11）With permanent magnet（10）
It is fixedly connected.
2. a kind of reconfigurable filter according to claim 1 and complex filter, it is characterised in that：The housing（2）
Surface be provided with circuit labeling（3）, the circuit labeling（3）With housing（2）Adhesion connects.
3. a kind of reconfigurable filter according to claim 1 and complex filter, it is characterised in that：The external device (ED)
（1）Side be provided with fixed ear（4）, the fixed ear（4）Show be provided with fixed earhole（5）, the fixed earhole（5）Pass through
Fixed ear（4）With external device (ED)（1）It is fixedly connected.
4. a kind of reconfigurable filter according to claim 1 and complex filter, it is characterised in that：The pin（7）
Surface be provided with pin bores（8）, the pin bores（8）Pass through pin（7）With external cushion rubber（6）It is fixedly connected.
5. a kind of reconfigurable filter according to claim 1 and complex filter, it is characterised in that：The grid（13）
Inside be provided with copper wire winding（14）, the copper wire winding（14）Pass through grid（13）With permanent magnet（10）Magnetic connects.
6. a kind of reconfigurable filter according to claim 1 and complex filter, it is characterised in that：The sole piece（11）
End be provided with circuit pins（15）, the circuit pins（15）Pass through sole piece（11）With grid（13）It is fixedly connected.
7. a kind of reconfigurable filter according to claim 1 and complex filter, it is characterised in that：The resistance（12）
Inside be provided with electric energy amplifier, in the application of instrument amplifier, common mode input by the Dc bias (VS/2) from bridge and
Any common-mode noise composition picked up is examined in input line.
8. a part for common-mode voltage always appears in the output end of instrument amplifier, the Gain in formula is the differential mode increasing of amplifier
Benefit, Vcm are common-mode voltages existing for input, and Vout is result of the common mode input in output end.
9. occurrence is substituted into, when gain is 10 as set by AD620 integrates instrument amplifier, CMRR 100dB, common mode electricity in figure
Press as 2.5V, it is 250mV to obtain it in the voltage of output end.
10. it is set above, it is noted that as the output voltage caused by inputting and export offset voltage it is about 1.5mV, this explanation
As error source, it is important that CMRR does not have offset voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710850382.0A CN107769753A (en) | 2017-09-20 | 2017-09-20 | A kind of reconfigurable filter and complex filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710850382.0A CN107769753A (en) | 2017-09-20 | 2017-09-20 | A kind of reconfigurable filter and complex filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107769753A true CN107769753A (en) | 2018-03-06 |
Family
ID=61266083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710850382.0A Pending CN107769753A (en) | 2017-09-20 | 2017-09-20 | A kind of reconfigurable filter and complex filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107769753A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4293410A (en) * | 1978-09-21 | 1981-10-06 | Hans Streuli Ag | Magnetic filter |
| CN1406015A (en) * | 2001-08-13 | 2003-03-26 | 鸿富锦精密工业（深圳）有限公司 | Deposition system of close wave-division multiplexer filter |
| CN101017922A (en) * | 2006-12-11 | 2007-08-15 | 电子科技大学 | Static magnetic surface wave band pass filter |
| CN201726374U (en) * | 2010-06-08 | 2011-01-26 | 湖南嘉业达电子有限公司 | Piezoelectric ceramic 10.7 MHz series filter |
| CN104865868A (en) * | 2015-03-26 | 2015-08-26 | 南京邮电大学 | Inductive switch for electromagnetic wave of mobile phone |
| CN105640550A (en) * | 2016-03-28 | 2016-06-08 | 四川大学 | Electroencephalogram collecting front-end design based on INA128 |
-
2017
- 2017-09-20 CN CN201710850382.0A patent/CN107769753A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4293410A (en) * | 1978-09-21 | 1981-10-06 | Hans Streuli Ag | Magnetic filter |
| CN1406015A (en) * | 2001-08-13 | 2003-03-26 | 鸿富锦精密工业（深圳）有限公司 | Deposition system of close wave-division multiplexer filter |
| CN101017922A (en) * | 2006-12-11 | 2007-08-15 | 电子科技大学 | Static magnetic surface wave band pass filter |
| CN201726374U (en) * | 2010-06-08 | 2011-01-26 | 湖南嘉业达电子有限公司 | Piezoelectric ceramic 10.7 MHz series filter |
| CN104865868A (en) * | 2015-03-26 | 2015-08-26 | 南京邮电大学 | Inductive switch for electromagnetic wave of mobile phone |
| CN105640550A (en) * | 2016-03-28 | 2016-06-08 | 四川大学 | Electroencephalogram collecting front-end design based on INA128 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102080316B1 (en) | Switch techniques for load sensing | |
| US9588147B2 (en) | Electronic integrator for Rogowski coil sensors | |
| CN107017884A (en) | The low-noise accurate input phase of analog-digital converter | |
| CN103096216B (en) | Audio processing circuit and earphone | |
| CN106656065A (en) | Audio power amplifier and audio device | |
| CN103180742B (en) | Rogowski coil assembly | |
| Liu et al. | A battery-less portable ECG monitoring system with wired audio transmission | |
| CN203759090U (en) | Current sampling circuit of rail-transit traction data acquisition system | |
| US9531341B2 (en) | Method and apparatus for converting single-ended signals into differential signals | |
| CN107769753A (en) | A kind of reconfigurable filter and complex filter | |
| EP1289131B1 (en) | Method and apparatus for controlling the common mode impedance misbalance of an isolated single-ended circuit | |
| CN110677024B (en) | Device for inhibiting power frequency ripple wave of digital converter | |
| CN104685331A (en) | Improved measurement amplifying circuit for piezoelectric sensor positioned in an internal combustion engine | |
| CN112379323B (en) | Equivalent simulation generator based on Rogowski coil characteristics and electronic equipment | |
| CN109428560B (en) | Grounding structure and method for electronic tube audio frequency amplifier | |
| CN106162435A (en) | A kind of mike monomer suppressing resonance | |
| CN210536506U (en) | Device for inhibiting power frequency ripple of digital converter | |
| JP2007274026A (en) | Noise filter | |
| CN101834574A (en) | Amplifier circuit and method of signal amplification | |
| CN207779580U (en) | A kind of integrating apparatus of loud speaker control and thermometric | |
| CN107702813B (en) | Micro-speaker control temperature measurement integration device and method | |
| CN220271425U (en) | Voltage sampling connecting device | |
| CN218850756U (en) | Alternating-current high-precision fully-differential sampling circuit | |
| JP2004179900A (en) | Common mode noise elimination circuit | |
| CN109218952B (en) | Loudspeaker temperature testing system and method based on phase change measurement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180828 Address after: 415000 group 2, Pan Shan village, Zhang Gong temple, Lixian, Changde, Hunan Applicant after: Hunan Jiayeda Electronic Co., Ltd. Address before: 415502 No. 170, Li Bei North District, Xiao Xi men neighborhood committee, Liyang Town, Lixian, Changde, Hunan, China. Ten Applicant before: Dai Chengping |
|
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180306 |